From d105412503ea250e07d3cb008f10f60e6e48bf8a Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 5 Aug 2011 08:12:52 +0200
Subject: mesa pixman git update 5 aug 2011
---
mesalib/src/glsl/ast_to_hir.cpp | 10 +-
mesalib/src/glsl/glsl_parser.yy | 3506 +++++++-------
mesalib/src/mesa/SConscript | 1 +
mesalib/src/mesa/main/compiler.h | 24 +-
mesalib/src/mesa/main/enable.c | 11 +-
mesalib/src/mesa/main/ff_fragment_shader.cpp | 3 +-
mesalib/src/mesa/main/ffvertex_prog.c | 3360 ++++++-------
mesalib/src/mesa/main/nvprogram.c | 1840 ++++----
mesalib/src/mesa/main/texcompress_rgtc_tmp.h | 2 +-
mesalib/src/mesa/main/texobj.c | 6 +-
mesalib/src/mesa/main/texparam.c | 304 +-
mesalib/src/mesa/main/uniforms.c | 46 +-
mesalib/src/mesa/program/ir_to_mesa.cpp | 8 +-
mesalib/src/mesa/program/nvfragparse.c | 3183 ++++++-------
mesalib/src/mesa/program/prog_execute.c | 3790 +++++++--------
mesalib/src/mesa/program/prog_parameter.c | 1336 +++---
mesalib/src/mesa/program/prog_parameter.h | 30 +-
mesalib/src/mesa/program/prog_parameter_layout.c | 2 +-
mesalib/src/mesa/program/prog_print.c | 2 +-
mesalib/src/mesa/program/prog_statevars.c | 2 +-
mesalib/src/mesa/program/program.c | 8 +-
mesalib/src/mesa/program/program_parse.y | 56 +-
mesalib/src/mesa/program/program_parser.h | 3 +-
mesalib/src/mesa/program/sampler.cpp | 2 +-
mesalib/src/mesa/sources.mak | 3 +-
.../src/mesa/state_tracker/st_atom_pixeltransfer.c | 22 +-
mesalib/src/mesa/state_tracker/st_cb_bitmap.c | 1811 +++----
mesalib/src/mesa/state_tracker/st_cb_blit.c | 117 +-
mesalib/src/mesa/state_tracker/st_cb_drawpixels.c | 44 +
mesalib/src/mesa/state_tracker/st_cb_program.c | 504 +-
mesalib/src/mesa/state_tracker/st_extensions.c | 11 +
mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 4961 ++++++++++++++++++++
mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.h | 72 +
mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c | 6 +-
mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h | 152 +-
mesalib/src/mesa/state_tracker/st_program.c | 412 +-
mesalib/src/mesa/state_tracker/st_program.h | 627 +--
mesalib/src/mesa/state_tracker/st_texture.c | 816 ++--
mesalib/src/mesa/state_tracker/st_texture.h | 4 +
mesalib/src/mesa/vbo/vbo_exec_array.c | 4 +-
40 files changed, 16179 insertions(+), 10922 deletions(-)
create mode 100644 mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
create mode 100644 mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.h
(limited to 'mesalib/src')
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp
index c0524bf0b..7da146119 100644
--- a/mesalib/src/glsl/ast_to_hir.cpp
+++ b/mesalib/src/glsl/ast_to_hir.cpp
@@ -2399,12 +2399,12 @@ ast_declarator_list::hir(exec_list *instructions,
decl_type = this->type->specifier->glsl_type(& type_name, state);
if (this->declarations.is_empty()) {
- /* The only valid case where the declaration list can be empty is when
- * the declaration is setting the default precision of a built-in type
- * (e.g., 'precision highp vec4;').
- */
-
if (decl_type != NULL) {
+ /* Warn if this empty declaration is not for declaring a structure.
+ */
+ if (this->type->specifier->structure == NULL) {
+ _mesa_glsl_warning(&loc, state, "empty declaration");
+ }
} else {
_mesa_glsl_error(& loc, state, "incomplete declaration");
}
diff --git a/mesalib/src/glsl/glsl_parser.yy b/mesalib/src/glsl/glsl_parser.yy
index 29849c1e9..1851f1e20 100644
--- a/mesalib/src/glsl/glsl_parser.yy
+++ b/mesalib/src/glsl/glsl_parser.yy
@@ -1,1755 +1,1751 @@
-%{
-/*
- * Copyright © 2008, 2009 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#include "ast.h"
-#include "glsl_parser_extras.h"
-#include "glsl_types.h"
-
-#define YYLEX_PARAM state->scanner
-
-%}
-
-%pure-parser
-%error-verbose
-
-%locations
-%initial-action {
- @$.first_line = 1;
- @$.first_column = 1;
- @$.last_line = 1;
- @$.last_column = 1;
- @$.source = 0;
-}
-
-%lex-param {void *scanner}
-%parse-param {struct _mesa_glsl_parse_state *state}
-
-%union {
- int n;
- float real;
- char *identifier;
-
- struct ast_type_qualifier type_qualifier;
-
- ast_node *node;
- ast_type_specifier *type_specifier;
- ast_fully_specified_type *fully_specified_type;
- ast_function *function;
- ast_parameter_declarator *parameter_declarator;
- ast_function_definition *function_definition;
- ast_compound_statement *compound_statement;
- ast_expression *expression;
- ast_declarator_list *declarator_list;
- ast_struct_specifier *struct_specifier;
- ast_declaration *declaration;
-
- struct {
- ast_node *cond;
- ast_expression *rest;
- } for_rest_statement;
-
- struct {
- ast_node *then_statement;
- ast_node *else_statement;
- } selection_rest_statement;
-}
-
-%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
-%token BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
-%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4
-%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING
-%token NOPERSPECTIVE FLAT SMOOTH
-%token MAT2X2 MAT2X3 MAT2X4
-%token MAT3X2 MAT3X3 MAT3X4
-%token MAT4X2 MAT4X3 MAT4X4
-%token SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW
-%token SAMPLERCUBESHADOW SAMPLER1DARRAY SAMPLER2DARRAY SAMPLER1DARRAYSHADOW
-%token SAMPLER2DARRAYSHADOW ISAMPLER1D ISAMPLER2D ISAMPLER3D ISAMPLERCUBE
-%token ISAMPLER1DARRAY ISAMPLER2DARRAY USAMPLER1D USAMPLER2D USAMPLER3D
-%token USAMPLERCUBE USAMPLER1DARRAY USAMPLER2DARRAY
-%token STRUCT VOID_TOK WHILE
-%token <identifier> IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER
-%type <identifier> any_identifier
-%token <real> FLOATCONSTANT
-%token <n> INTCONSTANT UINTCONSTANT BOOLCONSTANT
-%token <identifier> FIELD_SELECTION
-%token LEFT_OP RIGHT_OP
-%token INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP
-%token AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN
-%token MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
-%token SUB_ASSIGN
-%token INVARIANT
-%token LOWP MEDIUMP HIGHP SUPERP PRECISION
-
-%token VERSION EXTENSION LINE COLON EOL INTERFACE OUTPUT
-%token PRAGMA_DEBUG_ON PRAGMA_DEBUG_OFF
-%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF
-%token PRAGMA_INVARIANT_ALL
-%token LAYOUT_TOK
-
- /* Reserved words that are not actually used in the grammar.
- */
-%token ASM CLASS UNION ENUM TYPEDEF TEMPLATE THIS PACKED_TOK GOTO
-%token INLINE_TOK NOINLINE VOLATILE PUBLIC_TOK STATIC EXTERN EXTERNAL
-%token LONG_TOK SHORT_TOK DOUBLE_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK OUPTUT
-%token HVEC2 HVEC3 HVEC4 DVEC2 DVEC3 DVEC4 FVEC2 FVEC3 FVEC4
-%token SAMPLER2DRECT SAMPLER3DRECT SAMPLER2DRECTSHADOW
-%token SIZEOF CAST NAMESPACE USING
-
-%token ERROR_TOK
-
-%token COMMON PARTITION ACTIVE SAMPLERBUFFER FILTER
-%token IMAGE1D IMAGE2D IMAGE3D IMAGECUBE IMAGE1DARRAY IMAGE2DARRAY
-%token IIMAGE1D IIMAGE2D IIMAGE3D IIMAGECUBE IIMAGE1DARRAY IIMAGE2DARRAY
-%token UIMAGE1D UIMAGE2D UIMAGE3D UIMAGECUBE UIMAGE1DARRAY UIMAGE2DARRAY
-%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGEBUFFER IIMAGEBUFFER UIMAGEBUFFER
-%token IMAGE1DARRAYSHADOW IMAGE2DARRAYSHADOW
-%token ROW_MAJOR
-
-%type <identifier> variable_identifier
-%type <node> statement
-%type <node> statement_list
-%type <node> simple_statement
-%type <n> precision_qualifier
-%type <type_qualifier> type_qualifier
-%type <type_qualifier> storage_qualifier
-%type <type_qualifier> interpolation_qualifier
-%type <type_qualifier> layout_qualifier
-%type <type_qualifier> layout_qualifier_id_list layout_qualifier_id
-%type <type_specifier> type_specifier
-%type <type_specifier> type_specifier_no_prec
-%type <type_specifier> type_specifier_nonarray
-%type <n> basic_type_specifier_nonarray
-%type <fully_specified_type> fully_specified_type
-%type <function> function_prototype
-%type <function> function_header
-%type <function> function_header_with_parameters
-%type <function> function_declarator
-%type <parameter_declarator> parameter_declarator
-%type <parameter_declarator> parameter_declaration
-%type <type_qualifier> parameter_qualifier
-%type <type_qualifier> parameter_type_qualifier
-%type <type_specifier> parameter_type_specifier
-%type <function_definition> function_definition
-%type <compound_statement> compound_statement_no_new_scope
-%type <compound_statement> compound_statement
-%type <node> statement_no_new_scope
-%type <node> expression_statement
-%type <expression> expression
-%type <expression> primary_expression
-%type <expression> assignment_expression
-%type <expression> conditional_expression
-%type <expression> logical_or_expression
-%type <expression> logical_xor_expression
-%type <expression> logical_and_expression
-%type <expression> inclusive_or_expression
-%type <expression> exclusive_or_expression
-%type <expression> and_expression
-%type <expression> equality_expression
-%type <expression> relational_expression
-%type <expression> shift_expression
-%type <expression> additive_expression
-%type <expression> multiplicative_expression
-%type <expression> unary_expression
-%type <expression> constant_expression
-%type <expression> integer_expression
-%type <expression> postfix_expression
-%type <expression> function_call_header_with_parameters
-%type <expression> function_call_header_no_parameters
-%type <expression> function_call_header
-%type <expression> function_call_generic
-%type <expression> function_call_or_method
-%type <expression> function_call
-%type <expression> method_call_generic
-%type <expression> method_call_header_with_parameters
-%type <expression> method_call_header_no_parameters
-%type <expression> method_call_header
-%type <n> assignment_operator
-%type <n> unary_operator
-%type <expression> function_identifier
-%type <node> external_declaration
-%type <declarator_list> init_declarator_list
-%type <declarator_list> single_declaration
-%type <expression> initializer
-%type <node> declaration
-%type <node> declaration_statement
-%type <node> jump_statement
-%type <struct_specifier> struct_specifier
-%type <node> struct_declaration_list
-%type <declarator_list> struct_declaration
-%type <declaration> struct_declarator
-%type <declaration> struct_declarator_list
-%type <node> selection_statement
-%type <selection_rest_statement> selection_rest_statement
-%type <node> iteration_statement
-%type <node> condition
-%type <node> conditionopt
-%type <node> for_init_statement
-%type <for_rest_statement> for_rest_statement
-%%
-
-translation_unit:
- version_statement extension_statement_list
- {
- _mesa_glsl_initialize_types(state);
- }
- external_declaration_list
- {
- delete state->symbols;
- state->symbols = new(ralloc_parent(state)) glsl_symbol_table;
- _mesa_glsl_initialize_types(state);
- }
- ;
-
-version_statement:
- /* blank - no #version specified: defaults are already set */
- | VERSION INTCONSTANT EOL
- {
- bool supported = false;
-
- switch ($2) {
- case 100:
- state->es_shader = true;
- supported = state->Const.GLSL_100ES;
- break;
- case 110:
- supported = state->Const.GLSL_110;
- break;
- case 120:
- supported = state->Const.GLSL_120;
- break;
- case 130:
- supported = state->Const.GLSL_130;
- break;
- default:
- supported = false;
- break;
- }
-
- state->language_version = $2;
- state->version_string =
- ralloc_asprintf(state, "GLSL%s %d.%02d",
- state->es_shader ? " ES" : "",
- state->language_version / 100,
- state->language_version % 100);
-
- if (!supported) {
- _mesa_glsl_error(& @2, state, "%s is not supported. "
- "Supported versions are: %s\n",
- state->version_string,
- state->supported_version_string);
- }
- }
- ;
-
-pragma_statement:
- PRAGMA_DEBUG_ON EOL
- | PRAGMA_DEBUG_OFF EOL
- | PRAGMA_OPTIMIZE_ON EOL
- | PRAGMA_OPTIMIZE_OFF EOL
- | PRAGMA_INVARIANT_ALL EOL
- {
- if (state->language_version < 120) {
- _mesa_glsl_warning(& @1, state,
- "pragma `invariant(all)' not supported in %s",
- state->version_string);
- } else {
- state->all_invariant = true;
- }
- }
- ;
-
-extension_statement_list:
-
- | extension_statement_list extension_statement
- ;
-
-any_identifier:
- IDENTIFIER
- | TYPE_IDENTIFIER
- | NEW_IDENTIFIER
- ;
-
-extension_statement:
- EXTENSION any_identifier COLON any_identifier EOL
- {
- if (!_mesa_glsl_process_extension($2, & @2, $4, & @4, state)) {
- YYERROR;
- }
- }
- ;
-
-external_declaration_list:
- external_declaration
- {
- /* FINISHME: The NULL test is required because pragmas are set to
- * FINISHME: NULL. (See production rule for external_declaration.)
- */
- if ($1 != NULL)
- state->translation_unit.push_tail(& $1->link);
- }
- | external_declaration_list external_declaration
- {
- /* FINISHME: The NULL test is required because pragmas are set to
- * FINISHME: NULL. (See production rule for external_declaration.)
- */
- if ($2 != NULL)
- state->translation_unit.push_tail(& $2->link);
- }
- ;
-
-variable_identifier:
- IDENTIFIER
- | NEW_IDENTIFIER
- ;
-
-primary_expression:
- variable_identifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.identifier = $1;
- }
- | INTCONSTANT
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.int_constant = $1;
- }
- | UINTCONSTANT
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.uint_constant = $1;
- }
- | FLOATCONSTANT
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.float_constant = $1;
- }
- | BOOLCONSTANT
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.bool_constant = $1;
- }
- | '(' expression ')'
- {
- $$ = $2;
- }
- ;
-
-postfix_expression:
- primary_expression
- | postfix_expression '[' integer_expression ']'
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL);
- $$->set_location(yylloc);
- }
- | function_call
- {
- $$ = $1;
- }
- | postfix_expression '.' any_identifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL);
- $$->set_location(yylloc);
- $$->primary_expression.identifier = $3;
- }
- | postfix_expression INC_OP
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL);
- $$->set_location(yylloc);
- }
- | postfix_expression DEC_OP
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL);
- $$->set_location(yylloc);
- }
- ;
-
-integer_expression:
- expression
- ;
-
-function_call:
- function_call_or_method
- ;
-
-function_call_or_method:
- function_call_generic
- | postfix_expression '.' method_call_generic
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL);
- $$->set_location(yylloc);
- }
- ;
-
-function_call_generic:
- function_call_header_with_parameters ')'
- | function_call_header_no_parameters ')'
- ;
-
-function_call_header_no_parameters:
- function_call_header VOID_TOK
- | function_call_header
- ;
-
-function_call_header_with_parameters:
- function_call_header assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $2->link);
- }
- | function_call_header_with_parameters ',' assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $3->link);
- }
- ;
-
- // Grammar Note: Constructors look like functions, but lexical
- // analysis recognized most of them as keywords. They are now
- // recognized through "type_specifier".
-function_call_header:
- function_identifier '('
- ;
-
-function_identifier:
- type_specifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_function_expression($1);
- $$->set_location(yylloc);
- }
- | variable_identifier
- {
- void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
- }
- | FIELD_SELECTION
- {
- void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
- }
- ;
-
-method_call_generic:
- method_call_header_with_parameters ')'
- | method_call_header_no_parameters ')'
- ;
-
-method_call_header_no_parameters:
- method_call_header VOID_TOK
- | method_call_header
- ;
-
-method_call_header_with_parameters:
- method_call_header assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $2->link);
- }
- | method_call_header_with_parameters ',' assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $3->link);
- }
- ;
-
- // Grammar Note: Constructors look like methods, but lexical
- // analysis recognized most of them as keywords. They are now
- // recognized through "type_specifier".
-method_call_header:
- variable_identifier '('
- {
- void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
- }
- ;
-
- // Grammar Note: No traditional style type casts.
-unary_expression:
- postfix_expression
- | INC_OP unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL);
- $$->set_location(yylloc);
- }
- | DEC_OP unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL);
- $$->set_location(yylloc);
- }
- | unary_operator unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression($1, $2, NULL, NULL);
- $$->set_location(yylloc);
- }
- ;
-
- // Grammar Note: No '*' or '&' unary ops. Pointers are not supported.
-unary_operator:
- '+' { $$ = ast_plus; }
- | '-' { $$ = ast_neg; }
- | '!' { $$ = ast_logic_not; }
- | '~' { $$ = ast_bit_not; }
- ;
-
-multiplicative_expression:
- unary_expression
- | multiplicative_expression '*' unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_mul, $1, $3);
- $$->set_location(yylloc);
- }
- | multiplicative_expression '/' unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_div, $1, $3);
- $$->set_location(yylloc);
- }
- | multiplicative_expression '%' unary_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_mod, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-additive_expression:
- multiplicative_expression
- | additive_expression '+' multiplicative_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_add, $1, $3);
- $$->set_location(yylloc);
- }
- | additive_expression '-' multiplicative_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_sub, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-shift_expression:
- additive_expression
- | shift_expression LEFT_OP additive_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3);
- $$->set_location(yylloc);
- }
- | shift_expression RIGHT_OP additive_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-relational_expression:
- shift_expression
- | relational_expression '<' shift_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_less, $1, $3);
- $$->set_location(yylloc);
- }
- | relational_expression '>' shift_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_greater, $1, $3);
- $$->set_location(yylloc);
- }
- | relational_expression LE_OP shift_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3);
- $$->set_location(yylloc);
- }
- | relational_expression GE_OP shift_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-equality_expression:
- relational_expression
- | equality_expression EQ_OP relational_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_equal, $1, $3);
- $$->set_location(yylloc);
- }
- | equality_expression NE_OP relational_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-and_expression:
- equality_expression
- | and_expression '&' equality_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_bit_and, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-exclusive_or_expression:
- and_expression
- | exclusive_or_expression '^' and_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-inclusive_or_expression:
- exclusive_or_expression
- | inclusive_or_expression '|' exclusive_or_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-logical_and_expression:
- inclusive_or_expression
- | logical_and_expression AND_OP inclusive_or_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-logical_xor_expression:
- logical_and_expression
- | logical_xor_expression XOR_OP logical_and_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-logical_or_expression:
- logical_xor_expression
- | logical_or_expression OR_OP logical_xor_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3);
- $$->set_location(yylloc);
- }
- ;
-
-conditional_expression:
- logical_or_expression
- | logical_or_expression '?' expression ':' assignment_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5);
- $$->set_location(yylloc);
- }
- ;
-
-assignment_expression:
- conditional_expression
- | unary_expression assignment_operator assignment_expression
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression($2, $1, $3, NULL);
- $$->set_location(yylloc);
- }
- ;
-
-assignment_operator:
- '=' { $$ = ast_assign; }
- | MUL_ASSIGN { $$ = ast_mul_assign; }
- | DIV_ASSIGN { $$ = ast_div_assign; }
- | MOD_ASSIGN { $$ = ast_mod_assign; }
- | ADD_ASSIGN { $$ = ast_add_assign; }
- | SUB_ASSIGN { $$ = ast_sub_assign; }
- | LEFT_ASSIGN { $$ = ast_ls_assign; }
- | RIGHT_ASSIGN { $$ = ast_rs_assign; }
- | AND_ASSIGN { $$ = ast_and_assign; }
- | XOR_ASSIGN { $$ = ast_xor_assign; }
- | OR_ASSIGN { $$ = ast_or_assign; }
- ;
-
-expression:
- assignment_expression
- {
- $$ = $1;
- }
- | expression ',' assignment_expression
- {
- void *ctx = state;
- if ($1->oper != ast_sequence) {
- $$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL);
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $1->link);
- } else {
- $$ = $1;
- }
-
- $$->expressions.push_tail(& $3->link);
- }
- ;
-
-constant_expression:
- conditional_expression
- ;
-
-declaration:
- function_prototype ';'
- {
- state->symbols->pop_scope();
- $$ = $1;
- }
- | init_declarator_list ';'
- {
- $$ = $1;
- }
- | PRECISION precision_qualifier type_specifier_no_prec ';'
- {
- $3->precision = $2;
- $3->is_precision_statement = true;
- $$ = $3;
- }
- ;
-
-function_prototype:
- function_declarator ')'
- ;
-
-function_declarator:
- function_header
- | function_header_with_parameters
- ;
-
-function_header_with_parameters:
- function_header parameter_declaration
- {
- $$ = $1;
- $$->parameters.push_tail(& $2->link);
- }
- | function_header_with_parameters ',' parameter_declaration
- {
- $$ = $1;
- $$->parameters.push_tail(& $3->link);
- }
- ;
-
-function_header:
- fully_specified_type variable_identifier '('
- {
- void *ctx = state;
- $$ = new(ctx) ast_function();
- $$->set_location(yylloc);
- $$->return_type = $1;
- $$->identifier = $2;
-
- state->symbols->add_function(new(state) ir_function($2));
- state->symbols->push_scope();
- }
- ;
-
-parameter_declarator:
- type_specifier any_identifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
- $$->type = new(ctx) ast_fully_specified_type();
- $$->type->set_location(yylloc);
- $$->type->specifier = $1;
- $$->identifier = $2;
- }
- | type_specifier any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- $$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
- $$->type = new(ctx) ast_fully_specified_type();
- $$->type->set_location(yylloc);
- $$->type->specifier = $1;
- $$->identifier = $2;
- $$->is_array = true;
- $$->array_size = $4;
- }
- ;
-
-parameter_declaration:
- parameter_type_qualifier parameter_qualifier parameter_declarator
- {
- $1.flags.i |= $2.flags.i;
-
- $$ = $3;
- $$->type->qualifier = $1;
- }
- | parameter_qualifier parameter_declarator
- {
- $$ = $2;
- $$->type->qualifier = $1;
- }
- | parameter_type_qualifier parameter_qualifier parameter_type_specifier
- {
- void *ctx = state;
- $1.flags.i |= $2.flags.i;
-
- $$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
- $$->type = new(ctx) ast_fully_specified_type();
- $$->type->qualifier = $1;
- $$->type->specifier = $3;
- }
- | parameter_qualifier parameter_type_specifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
- $$->type = new(ctx) ast_fully_specified_type();
- $$->type->qualifier = $1;
- $$->type->specifier = $2;
- }
- ;
-
-parameter_qualifier:
- /* empty */
- {
- memset(& $$, 0, sizeof($$));
- }
- | IN_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.in = 1;
- }
- | OUT_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.out = 1;
- }
- | INOUT_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.in = 1;
- $$.flags.q.out = 1;
- }
- ;
-
-parameter_type_specifier:
- type_specifier
- ;
-
-init_declarator_list:
- single_declaration
- | init_declarator_list ',' any_identifier
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- ;
-
- // Grammar Note: No 'enum', or 'typedef'.
-single_declaration:
- fully_specified_type
- {
- void *ctx = state;
- if ($1->specifier->type_specifier != ast_struct) {
- _mesa_glsl_error(& @1, state, "empty declaration list\n");
- YYERROR;
- } else {
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- }
- }
- | fully_specified_type any_identifier
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '[' ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '[' ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- }
- | INVARIANT variable_identifier // Vertex only.
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
-
- $$ = new(ctx) ast_declarator_list(NULL);
- $$->set_location(yylloc);
- $$->invariant = true;
-
- $$->declarations.push_tail(&decl->link);
- }
- ;
-
-fully_specified_type:
- type_specifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_fully_specified_type();
- $$->set_location(yylloc);
- $$->specifier = $1;
- }
- | type_qualifier type_specifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_fully_specified_type();
- $$->set_location(yylloc);
- $$->qualifier = $1;
- $$->specifier = $2;
- }
- ;
-
-layout_qualifier:
- LAYOUT_TOK '(' layout_qualifier_id_list ')'
- {
- $$ = $3;
- }
- ;
-
-layout_qualifier_id_list:
- layout_qualifier_id
- | layout_qualifier_id_list ',' layout_qualifier_id
- {
- if (($1.flags.i & $3.flags.i) != 0) {
- _mesa_glsl_error(& @3, state,
- "duplicate layout qualifiers used\n");
- YYERROR;
- }
-
- $$.flags.i = $1.flags.i | $3.flags.i;
-
- if ($1.flags.q.explicit_location)
- $$.location = $1.location;
-
- if ($3.flags.q.explicit_location)
- $$.location = $3.location;
- }
- ;
-
-layout_qualifier_id:
- any_identifier
- {
- bool got_one = false;
-
- memset(& $$, 0, sizeof($$));
-
- /* Layout qualifiers for ARB_fragment_coord_conventions. */
- if (!got_one && state->ARB_fragment_coord_conventions_enable) {
- if (strcmp($1, "origin_upper_left") == 0) {
- got_one = true;
- $$.flags.q.origin_upper_left = 1;
- } else if (strcmp($1, "pixel_center_integer") == 0) {
- got_one = true;
- $$.flags.q.pixel_center_integer = 1;
- }
-
- if (got_one && state->ARB_fragment_coord_conventions_warn) {
- _mesa_glsl_warning(& @1, state,
- "GL_ARB_fragment_coord_conventions layout "
- "identifier `%s' used\n", $1);
- }
- }
-
- /* Layout qualifiers for AMD_conservative_depth. */
- if (!got_one && state->AMD_conservative_depth_enable) {
- if (strcmp($1, "depth_any") == 0) {
- got_one = true;
- $$.flags.q.depth_any = 1;
- } else if (strcmp($1, "depth_greater") == 0) {
- got_one = true;
- $$.flags.q.depth_greater = 1;
- } else if (strcmp($1, "depth_less") == 0) {
- got_one = true;
- $$.flags.q.depth_less = 1;
- } else if (strcmp($1, "depth_unchanged") == 0) {
- got_one = true;
- $$.flags.q.depth_unchanged = 1;
- }
-
- if (got_one && state->AMD_conservative_depth_warn) {
- _mesa_glsl_warning(& @1, state,
- "GL_AMD_conservative_depth "
- "layout qualifier `%s' is used\n", $1);
- }
- }
-
- if (!got_one) {
- _mesa_glsl_error(& @1, state, "unrecognized layout identifier "
- "`%s'\n", $1);
- YYERROR;
- }
- }
- | any_identifier '=' INTCONSTANT
- {
- bool got_one = false;
-
- memset(& $$, 0, sizeof($$));
-
- if (state->ARB_explicit_attrib_location_enable) {
- /* FINISHME: Handle 'index' once GL_ARB_blend_func_exteneded and
- * FINISHME: GLSL 1.30 (or later) are supported.
- */
- if (strcmp("location", $1) == 0) {
- got_one = true;
-
- $$.flags.q.explicit_location = 1;
-
- if ($3 >= 0) {
- $$.location = $3;
- } else {
- _mesa_glsl_error(& @3, state,
- "invalid location %d specified\n", $3);
- YYERROR;
- }
- }
- }
-
- /* If the identifier didn't match any known layout identifiers,
- * emit an error.
- */
- if (!got_one) {
- _mesa_glsl_error(& @1, state, "unrecognized layout identifier "
- "`%s'\n", $1);
- YYERROR;
- } else if (state->ARB_explicit_attrib_location_warn) {
- _mesa_glsl_warning(& @1, state,
- "GL_ARB_explicit_attrib_location layout "
- "identifier `%s' used\n", $1);
- }
- }
- ;
-
-interpolation_qualifier:
- SMOOTH
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.smooth = 1;
- }
- | FLAT
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.flat = 1;
- }
- | NOPERSPECTIVE
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.noperspective = 1;
- }
- ;
-
-parameter_type_qualifier:
- CONST_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.constant = 1;
- }
- ;
-
-type_qualifier:
- storage_qualifier
- | layout_qualifier
- | layout_qualifier storage_qualifier
- {
- $$ = $1;
- $$.flags.i |= $2.flags.i;
- }
- | interpolation_qualifier
- | interpolation_qualifier storage_qualifier
- {
- $$ = $1;
- $$.flags.i |= $2.flags.i;
- }
- | INVARIANT storage_qualifier
- {
- $$ = $2;
- $$.flags.q.invariant = 1;
- }
- | INVARIANT interpolation_qualifier storage_qualifier
- {
- $$ = $2;
- $$.flags.i |= $3.flags.i;
- $$.flags.q.invariant = 1;
- }
- | INVARIANT
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.invariant = 1;
- }
- ;
-
-storage_qualifier:
- CONST_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.constant = 1;
- }
- | ATTRIBUTE
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.attribute = 1;
- }
- | VARYING
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.varying = 1;
- }
- | CENTROID VARYING
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.centroid = 1;
- $$.flags.q.varying = 1;
- }
- | IN_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.in = 1;
- }
- | OUT_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.out = 1;
- }
- | CENTROID IN_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.centroid = 1; $$.flags.q.in = 1;
- }
- | CENTROID OUT_TOK
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.centroid = 1; $$.flags.q.out = 1;
- }
- | UNIFORM
- {
- memset(& $$, 0, sizeof($$));
- $$.flags.q.uniform = 1;
- }
- ;
-
-type_specifier:
- type_specifier_no_prec
- {
- $$ = $1;
- }
- | precision_qualifier type_specifier_no_prec
- {
- $$ = $2;
- $$->precision = $1;
- }
- ;
-
-type_specifier_no_prec:
- type_specifier_nonarray
- | type_specifier_nonarray '[' ']'
- {
- $$ = $1;
- $$->is_array = true;
- $$->array_size = NULL;
- }
- | type_specifier_nonarray '[' constant_expression ']'
- {
- $$ = $1;
- $$->is_array = true;
- $$->array_size = $3;
- }
- ;
-
-type_specifier_nonarray:
- basic_type_specifier_nonarray
- {
- void *ctx = state;
- $$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
- }
- | struct_specifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
- }
- | TYPE_IDENTIFIER
- {
- void *ctx = state;
- $$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
- }
- ;
-
-basic_type_specifier_nonarray:
- VOID_TOK { $$ = ast_void; }
- | FLOAT_TOK { $$ = ast_float; }
- | INT_TOK { $$ = ast_int; }
- | UINT_TOK { $$ = ast_uint; }
- | BOOL_TOK { $$ = ast_bool; }
- | VEC2 { $$ = ast_vec2; }
- | VEC3 { $$ = ast_vec3; }
- | VEC4 { $$ = ast_vec4; }
- | BVEC2 { $$ = ast_bvec2; }
- | BVEC3 { $$ = ast_bvec3; }
- | BVEC4 { $$ = ast_bvec4; }
- | IVEC2 { $$ = ast_ivec2; }
- | IVEC3 { $$ = ast_ivec3; }
- | IVEC4 { $$ = ast_ivec4; }
- | UVEC2 { $$ = ast_uvec2; }
- | UVEC3 { $$ = ast_uvec3; }
- | UVEC4 { $$ = ast_uvec4; }
- | MAT2X2 { $$ = ast_mat2; }
- | MAT2X3 { $$ = ast_mat2x3; }
- | MAT2X4 { $$ = ast_mat2x4; }
- | MAT3X2 { $$ = ast_mat3x2; }
- | MAT3X3 { $$ = ast_mat3; }
- | MAT3X4 { $$ = ast_mat3x4; }
- | MAT4X2 { $$ = ast_mat4x2; }
- | MAT4X3 { $$ = ast_mat4x3; }
- | MAT4X4 { $$ = ast_mat4; }
- | SAMPLER1D { $$ = ast_sampler1d; }
- | SAMPLER2D { $$ = ast_sampler2d; }
- | SAMPLER2DRECT { $$ = ast_sampler2drect; }
- | SAMPLER3D { $$ = ast_sampler3d; }
- | SAMPLERCUBE { $$ = ast_samplercube; }
- | SAMPLER1DSHADOW { $$ = ast_sampler1dshadow; }
- | SAMPLER2DSHADOW { $$ = ast_sampler2dshadow; }
- | SAMPLER2DRECTSHADOW { $$ = ast_sampler2drectshadow; }
- | SAMPLERCUBESHADOW { $$ = ast_samplercubeshadow; }
- | SAMPLER1DARRAY { $$ = ast_sampler1darray; }
- | SAMPLER2DARRAY { $$ = ast_sampler2darray; }
- | SAMPLER1DARRAYSHADOW { $$ = ast_sampler1darrayshadow; }
- | SAMPLER2DARRAYSHADOW { $$ = ast_sampler2darrayshadow; }
- | ISAMPLER1D { $$ = ast_isampler1d; }
- | ISAMPLER2D { $$ = ast_isampler2d; }
- | ISAMPLER3D { $$ = ast_isampler3d; }
- | ISAMPLERCUBE { $$ = ast_isamplercube; }
- | ISAMPLER1DARRAY { $$ = ast_isampler1darray; }
- | ISAMPLER2DARRAY { $$ = ast_isampler2darray; }
- | USAMPLER1D { $$ = ast_usampler1d; }
- | USAMPLER2D { $$ = ast_usampler2d; }
- | USAMPLER3D { $$ = ast_usampler3d; }
- | USAMPLERCUBE { $$ = ast_usamplercube; }
- | USAMPLER1DARRAY { $$ = ast_usampler1darray; }
- | USAMPLER2DARRAY { $$ = ast_usampler2darray; }
- ;
-
-precision_qualifier:
- HIGHP {
- if (!state->es_shader && state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in %s (1.30 or later "
- "required)\n",
- state->version_string);
-
- $$ = ast_precision_high;
- }
- | MEDIUMP {
- if (!state->es_shader && state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in %s (1.30 or later "
- "required)\n",
- state->version_string);
-
- $$ = ast_precision_medium;
- }
- | LOWP {
- if (!state->es_shader && state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in %s (1.30 or later "
- "required)\n",
- state->version_string);
-
- $$ = ast_precision_low;
- }
- ;
-
-struct_specifier:
- STRUCT any_identifier '{' struct_declaration_list '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_struct_specifier($2, $4);
- $$->set_location(yylloc);
- state->symbols->add_type($2, glsl_type::void_type);
- }
- | STRUCT '{' struct_declaration_list '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_struct_specifier(NULL, $3);
- $$->set_location(yylloc);
- }
- ;
-
-struct_declaration_list:
- struct_declaration
- {
- $$ = (ast_node *) $1;
- $1->link.self_link();
- }
- | struct_declaration_list struct_declaration
- {
- $$ = (ast_node *) $1;
- $$->link.insert_before(& $2->link);
- }
- ;
-
-struct_declaration:
- type_specifier struct_declarator_list ';'
- {
- void *ctx = state;
- ast_fully_specified_type *type = new(ctx) ast_fully_specified_type();
- type->set_location(yylloc);
-
- type->specifier = $1;
- $$ = new(ctx) ast_declarator_list(type);
- $$->set_location(yylloc);
-
- $$->declarations.push_degenerate_list_at_head(& $2->link);
- }
- ;
-
-struct_declarator_list:
- struct_declarator
- {
- $$ = $1;
- $1->link.self_link();
- }
- | struct_declarator_list ',' struct_declarator
- {
- $$ = $1;
- $$->link.insert_before(& $3->link);
- }
- ;
-
-struct_declarator:
- any_identifier
- {
- void *ctx = state;
- $$ = new(ctx) ast_declaration($1, false, NULL, NULL);
- $$->set_location(yylloc);
- state->symbols->add_variable(new(state) ir_variable(NULL, $1, ir_var_auto));
- }
- | any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- $$ = new(ctx) ast_declaration($1, true, $3, NULL);
- $$->set_location(yylloc);
- }
- ;
-
-initializer:
- assignment_expression
- ;
-
-declaration_statement:
- declaration
- ;
-
- // Grammar Note: labeled statements for SWITCH only; 'goto' is not
- // supported.
-statement:
- compound_statement { $$ = (ast_node *) $1; }
- | simple_statement
- ;
-
-simple_statement:
- declaration_statement
- | expression_statement
- | selection_statement
- | switch_statement { $$ = NULL; }
- | case_label { $$ = NULL; }
- | iteration_statement
- | jump_statement
- ;
-
-compound_statement:
- '{' '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_compound_statement(true, NULL);
- $$->set_location(yylloc);
- }
- | '{'
- {
- state->symbols->push_scope();
- }
- statement_list '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_compound_statement(true, $3);
- $$->set_location(yylloc);
- state->symbols->pop_scope();
- }
- ;
-
-statement_no_new_scope:
- compound_statement_no_new_scope { $$ = (ast_node *) $1; }
- | simple_statement
- ;
-
-compound_statement_no_new_scope:
- '{' '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_compound_statement(false, NULL);
- $$->set_location(yylloc);
- }
- | '{' statement_list '}'
- {
- void *ctx = state;
- $$ = new(ctx) ast_compound_statement(false, $2);
- $$->set_location(yylloc);
- }
- ;
-
-statement_list:
- statement
- {
- if ($1 == NULL) {
- _mesa_glsl_error(& @1, state, "<nil> statement\n");
- assert($1 != NULL);
- }
-
- $$ = $1;
- $$->link.self_link();
- }
- | statement_list statement
- {
- if ($2 == NULL) {
- _mesa_glsl_error(& @2, state, "<nil> statement\n");
- assert($2 != NULL);
- }
- $$ = $1;
- $$->link.insert_before(& $2->link);
- }
- ;
-
-expression_statement:
- ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_statement(NULL);
- $$->set_location(yylloc);
- }
- | expression ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression_statement($1);
- $$->set_location(yylloc);
- }
- ;
-
-selection_statement:
- IF '(' expression ')' selection_rest_statement
- {
- $$ = new(state) ast_selection_statement($3, $5.then_statement,
- $5.else_statement);
- $$->set_location(yylloc);
- }
- ;
-
-selection_rest_statement:
- statement ELSE statement
- {
- $$.then_statement = $1;
- $$.else_statement = $3;
- }
- | statement
- {
- $$.then_statement = $1;
- $$.else_statement = NULL;
- }
- ;
-
-condition:
- expression
- {
- $$ = (ast_node *) $1;
- }
- | fully_specified_type any_identifier '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
- ast_declarator_list *declarator = new(ctx) ast_declarator_list($1);
- decl->set_location(yylloc);
- declarator->set_location(yylloc);
-
- declarator->declarations.push_tail(&decl->link);
- $$ = declarator;
- }
- ;
-
-switch_statement:
- SWITCH '(' expression ')' compound_statement
- ;
-
-case_label:
- CASE expression ':'
- | DEFAULT ':'
- ;
-
-iteration_statement:
- WHILE '(' condition ')' statement_no_new_scope
- {
- void *ctx = state;
- $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while,
- NULL, $3, NULL, $5);
- $$->set_location(yylloc);
- }
- | DO statement WHILE '(' expression ')' ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while,
- NULL, $5, NULL, $2);
- $$->set_location(yylloc);
- }
- | FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope
- {
- void *ctx = state;
- $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for,
- $3, $4.cond, $4.rest, $6);
- $$->set_location(yylloc);
- }
- ;
-
-for_init_statement:
- expression_statement
- | declaration_statement
- ;
-
-conditionopt:
- condition
- | /* empty */
- {
- $$ = NULL;
- }
- ;
-
-for_rest_statement:
- conditionopt ';'
- {
- $$.cond = $1;
- $$.rest = NULL;
- }
- | conditionopt ';' expression
- {
- $$.cond = $1;
- $$.rest = $3;
- }
- ;
-
- // Grammar Note: No 'goto'. Gotos are not supported.
-jump_statement:
- CONTINUE ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL);
- $$->set_location(yylloc);
- }
- | BREAK ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL);
- $$->set_location(yylloc);
- }
- | RETURN ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL);
- $$->set_location(yylloc);
- }
- | RETURN expression ';'
- {
- void *ctx = state;
- $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2);
- $$->set_location(yylloc);
- }
- | DISCARD ';' // Fragment shader only.
- {
- void *ctx = state;
- $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL);
- $$->set_location(yylloc);
- }
- ;
-
-external_declaration:
- function_definition { $$ = $1; }
- | declaration { $$ = $1; }
- | pragma_statement { $$ = NULL; }
- ;
-
-function_definition:
- function_prototype compound_statement_no_new_scope
- {
- void *ctx = state;
- $$ = new(ctx) ast_function_definition();
- $$->set_location(yylloc);
- $$->prototype = $1;
- $$->body = $2;
-
- state->symbols->pop_scope();
- }
- ;
+%{
+/*
+ * Copyright © 2008, 2009 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "ast.h"
+#include "glsl_parser_extras.h"
+#include "glsl_types.h"
+
+#define YYLEX_PARAM state->scanner
+
+%}
+
+%pure-parser
+%error-verbose
+
+%locations
+%initial-action {
+ @$.first_line = 1;
+ @$.first_column = 1;
+ @$.last_line = 1;
+ @$.last_column = 1;
+ @$.source = 0;
+}
+
+%lex-param {void *scanner}
+%parse-param {struct _mesa_glsl_parse_state *state}
+
+%union {
+ int n;
+ float real;
+ char *identifier;
+
+ struct ast_type_qualifier type_qualifier;
+
+ ast_node *node;
+ ast_type_specifier *type_specifier;
+ ast_fully_specified_type *fully_specified_type;
+ ast_function *function;
+ ast_parameter_declarator *parameter_declarator;
+ ast_function_definition *function_definition;
+ ast_compound_statement *compound_statement;
+ ast_expression *expression;
+ ast_declarator_list *declarator_list;
+ ast_struct_specifier *struct_specifier;
+ ast_declaration *declaration;
+
+ struct {
+ ast_node *cond;
+ ast_expression *rest;
+ } for_rest_statement;
+
+ struct {
+ ast_node *then_statement;
+ ast_node *else_statement;
+ } selection_rest_statement;
+}
+
+%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
+%token BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
+%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4
+%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING
+%token NOPERSPECTIVE FLAT SMOOTH
+%token MAT2X2 MAT2X3 MAT2X4
+%token MAT3X2 MAT3X3 MAT3X4
+%token MAT4X2 MAT4X3 MAT4X4
+%token SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW
+%token SAMPLERCUBESHADOW SAMPLER1DARRAY SAMPLER2DARRAY SAMPLER1DARRAYSHADOW
+%token SAMPLER2DARRAYSHADOW ISAMPLER1D ISAMPLER2D ISAMPLER3D ISAMPLERCUBE
+%token ISAMPLER1DARRAY ISAMPLER2DARRAY USAMPLER1D USAMPLER2D USAMPLER3D
+%token USAMPLERCUBE USAMPLER1DARRAY USAMPLER2DARRAY
+%token STRUCT VOID_TOK WHILE
+%token <identifier> IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER
+%type <identifier> any_identifier
+%token <real> FLOATCONSTANT
+%token <n> INTCONSTANT UINTCONSTANT BOOLCONSTANT
+%token <identifier> FIELD_SELECTION
+%token LEFT_OP RIGHT_OP
+%token INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP
+%token AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN
+%token MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
+%token SUB_ASSIGN
+%token INVARIANT
+%token LOWP MEDIUMP HIGHP SUPERP PRECISION
+
+%token VERSION EXTENSION LINE COLON EOL INTERFACE OUTPUT
+%token PRAGMA_DEBUG_ON PRAGMA_DEBUG_OFF
+%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF
+%token PRAGMA_INVARIANT_ALL
+%token LAYOUT_TOK
+
+ /* Reserved words that are not actually used in the grammar.
+ */
+%token ASM CLASS UNION ENUM TYPEDEF TEMPLATE THIS PACKED_TOK GOTO
+%token INLINE_TOK NOINLINE VOLATILE PUBLIC_TOK STATIC EXTERN EXTERNAL
+%token LONG_TOK SHORT_TOK DOUBLE_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK OUPTUT
+%token HVEC2 HVEC3 HVEC4 DVEC2 DVEC3 DVEC4 FVEC2 FVEC3 FVEC4
+%token SAMPLER2DRECT SAMPLER3DRECT SAMPLER2DRECTSHADOW
+%token SIZEOF CAST NAMESPACE USING
+
+%token ERROR_TOK
+
+%token COMMON PARTITION ACTIVE SAMPLERBUFFER FILTER
+%token IMAGE1D IMAGE2D IMAGE3D IMAGECUBE IMAGE1DARRAY IMAGE2DARRAY
+%token IIMAGE1D IIMAGE2D IIMAGE3D IIMAGECUBE IIMAGE1DARRAY IIMAGE2DARRAY
+%token UIMAGE1D UIMAGE2D UIMAGE3D UIMAGECUBE UIMAGE1DARRAY UIMAGE2DARRAY
+%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGEBUFFER IIMAGEBUFFER UIMAGEBUFFER
+%token IMAGE1DARRAYSHADOW IMAGE2DARRAYSHADOW
+%token ROW_MAJOR
+
+%type <identifier> variable_identifier
+%type <node> statement
+%type <node> statement_list
+%type <node> simple_statement
+%type <n> precision_qualifier
+%type <type_qualifier> type_qualifier
+%type <type_qualifier> storage_qualifier
+%type <type_qualifier> interpolation_qualifier
+%type <type_qualifier> layout_qualifier
+%type <type_qualifier> layout_qualifier_id_list layout_qualifier_id
+%type <type_specifier> type_specifier
+%type <type_specifier> type_specifier_no_prec
+%type <type_specifier> type_specifier_nonarray
+%type <n> basic_type_specifier_nonarray
+%type <fully_specified_type> fully_specified_type
+%type <function> function_prototype
+%type <function> function_header
+%type <function> function_header_with_parameters
+%type <function> function_declarator
+%type <parameter_declarator> parameter_declarator
+%type <parameter_declarator> parameter_declaration
+%type <type_qualifier> parameter_qualifier
+%type <type_qualifier> parameter_type_qualifier
+%type <type_specifier> parameter_type_specifier
+%type <function_definition> function_definition
+%type <compound_statement> compound_statement_no_new_scope
+%type <compound_statement> compound_statement
+%type <node> statement_no_new_scope
+%type <node> expression_statement
+%type <expression> expression
+%type <expression> primary_expression
+%type <expression> assignment_expression
+%type <expression> conditional_expression
+%type <expression> logical_or_expression
+%type <expression> logical_xor_expression
+%type <expression> logical_and_expression
+%type <expression> inclusive_or_expression
+%type <expression> exclusive_or_expression
+%type <expression> and_expression
+%type <expression> equality_expression
+%type <expression> relational_expression
+%type <expression> shift_expression
+%type <expression> additive_expression
+%type <expression> multiplicative_expression
+%type <expression> unary_expression
+%type <expression> constant_expression
+%type <expression> integer_expression
+%type <expression> postfix_expression
+%type <expression> function_call_header_with_parameters
+%type <expression> function_call_header_no_parameters
+%type <expression> function_call_header
+%type <expression> function_call_generic
+%type <expression> function_call_or_method
+%type <expression> function_call
+%type <expression> method_call_generic
+%type <expression> method_call_header_with_parameters
+%type <expression> method_call_header_no_parameters
+%type <expression> method_call_header
+%type <n> assignment_operator
+%type <n> unary_operator
+%type <expression> function_identifier
+%type <node> external_declaration
+%type <declarator_list> init_declarator_list
+%type <declarator_list> single_declaration
+%type <expression> initializer
+%type <node> declaration
+%type <node> declaration_statement
+%type <node> jump_statement
+%type <struct_specifier> struct_specifier
+%type <node> struct_declaration_list
+%type <declarator_list> struct_declaration
+%type <declaration> struct_declarator
+%type <declaration> struct_declarator_list
+%type <node> selection_statement
+%type <selection_rest_statement> selection_rest_statement
+%type <node> iteration_statement
+%type <node> condition
+%type <node> conditionopt
+%type <node> for_init_statement
+%type <for_rest_statement> for_rest_statement
+%%
+
+translation_unit:
+ version_statement extension_statement_list
+ {
+ _mesa_glsl_initialize_types(state);
+ }
+ external_declaration_list
+ {
+ delete state->symbols;
+ state->symbols = new(ralloc_parent(state)) glsl_symbol_table;
+ _mesa_glsl_initialize_types(state);
+ }
+ ;
+
+version_statement:
+ /* blank - no #version specified: defaults are already set */
+ | VERSION INTCONSTANT EOL
+ {
+ bool supported = false;
+
+ switch ($2) {
+ case 100:
+ state->es_shader = true;
+ supported = state->Const.GLSL_100ES;
+ break;
+ case 110:
+ supported = state->Const.GLSL_110;
+ break;
+ case 120:
+ supported = state->Const.GLSL_120;
+ break;
+ case 130:
+ supported = state->Const.GLSL_130;
+ break;
+ default:
+ supported = false;
+ break;
+ }
+
+ state->language_version = $2;
+ state->version_string =
+ ralloc_asprintf(state, "GLSL%s %d.%02d",
+ state->es_shader ? " ES" : "",
+ state->language_version / 100,
+ state->language_version % 100);
+
+ if (!supported) {
+ _mesa_glsl_error(& @2, state, "%s is not supported. "
+ "Supported versions are: %s\n",
+ state->version_string,
+ state->supported_version_string);
+ }
+ }
+ ;
+
+pragma_statement:
+ PRAGMA_DEBUG_ON EOL
+ | PRAGMA_DEBUG_OFF EOL
+ | PRAGMA_OPTIMIZE_ON EOL
+ | PRAGMA_OPTIMIZE_OFF EOL
+ | PRAGMA_INVARIANT_ALL EOL
+ {
+ if (state->language_version < 120) {
+ _mesa_glsl_warning(& @1, state,
+ "pragma `invariant(all)' not supported in %s",
+ state->version_string);
+ } else {
+ state->all_invariant = true;
+ }
+ }
+ ;
+
+extension_statement_list:
+
+ | extension_statement_list extension_statement
+ ;
+
+any_identifier:
+ IDENTIFIER
+ | TYPE_IDENTIFIER
+ | NEW_IDENTIFIER
+ ;
+
+extension_statement:
+ EXTENSION any_identifier COLON any_identifier EOL
+ {
+ if (!_mesa_glsl_process_extension($2, & @2, $4, & @4, state)) {
+ YYERROR;
+ }
+ }
+ ;
+
+external_declaration_list:
+ external_declaration
+ {
+ /* FINISHME: The NULL test is required because pragmas are set to
+ * FINISHME: NULL. (See production rule for external_declaration.)
+ */
+ if ($1 != NULL)
+ state->translation_unit.push_tail(& $1->link);
+ }
+ | external_declaration_list external_declaration
+ {
+ /* FINISHME: The NULL test is required because pragmas are set to
+ * FINISHME: NULL. (See production rule for external_declaration.)
+ */
+ if ($2 != NULL)
+ state->translation_unit.push_tail(& $2->link);
+ }
+ ;
+
+variable_identifier:
+ IDENTIFIER
+ | NEW_IDENTIFIER
+ ;
+
+primary_expression:
+ variable_identifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.identifier = $1;
+ }
+ | INTCONSTANT
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.int_constant = $1;
+ }
+ | UINTCONSTANT
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.uint_constant = $1;
+ }
+ | FLOATCONSTANT
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.float_constant = $1;
+ }
+ | BOOLCONSTANT
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.bool_constant = $1;
+ }
+ | '(' expression ')'
+ {
+ $$ = $2;
+ }
+ ;
+
+postfix_expression:
+ primary_expression
+ | postfix_expression '[' integer_expression ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL);
+ $$->set_location(yylloc);
+ }
+ | function_call
+ {
+ $$ = $1;
+ }
+ | postfix_expression '.' any_identifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->primary_expression.identifier = $3;
+ }
+ | postfix_expression INC_OP
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL);
+ $$->set_location(yylloc);
+ }
+ | postfix_expression DEC_OP
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+integer_expression:
+ expression
+ ;
+
+function_call:
+ function_call_or_method
+ ;
+
+function_call_or_method:
+ function_call_generic
+ | postfix_expression '.' method_call_generic
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+function_call_generic:
+ function_call_header_with_parameters ')'
+ | function_call_header_no_parameters ')'
+ ;
+
+function_call_header_no_parameters:
+ function_call_header VOID_TOK
+ | function_call_header
+ ;
+
+function_call_header_with_parameters:
+ function_call_header assignment_expression
+ {
+ $$ = $1;
+ $$->set_location(yylloc);
+ $$->expressions.push_tail(& $2->link);
+ }
+ | function_call_header_with_parameters ',' assignment_expression
+ {
+ $$ = $1;
+ $$->set_location(yylloc);
+ $$->expressions.push_tail(& $3->link);
+ }
+ ;
+
+ // Grammar Note: Constructors look like functions, but lexical
+ // analysis recognized most of them as keywords. They are now
+ // recognized through "type_specifier".
+function_call_header:
+ function_identifier '('
+ ;
+
+function_identifier:
+ type_specifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_function_expression($1);
+ $$->set_location(yylloc);
+ }
+ | variable_identifier
+ {
+ void *ctx = state;
+ ast_expression *callee = new(ctx) ast_expression($1);
+ $$ = new(ctx) ast_function_expression(callee);
+ $$->set_location(yylloc);
+ }
+ | FIELD_SELECTION
+ {
+ void *ctx = state;
+ ast_expression *callee = new(ctx) ast_expression($1);
+ $$ = new(ctx) ast_function_expression(callee);
+ $$->set_location(yylloc);
+ }
+ ;
+
+method_call_generic:
+ method_call_header_with_parameters ')'
+ | method_call_header_no_parameters ')'
+ ;
+
+method_call_header_no_parameters:
+ method_call_header VOID_TOK
+ | method_call_header
+ ;
+
+method_call_header_with_parameters:
+ method_call_header assignment_expression
+ {
+ $$ = $1;
+ $$->set_location(yylloc);
+ $$->expressions.push_tail(& $2->link);
+ }
+ | method_call_header_with_parameters ',' assignment_expression
+ {
+ $$ = $1;
+ $$->set_location(yylloc);
+ $$->expressions.push_tail(& $3->link);
+ }
+ ;
+
+ // Grammar Note: Constructors look like methods, but lexical
+ // analysis recognized most of them as keywords. They are now
+ // recognized through "type_specifier".
+method_call_header:
+ variable_identifier '('
+ {
+ void *ctx = state;
+ ast_expression *callee = new(ctx) ast_expression($1);
+ $$ = new(ctx) ast_function_expression(callee);
+ $$->set_location(yylloc);
+ }
+ ;
+
+ // Grammar Note: No traditional style type casts.
+unary_expression:
+ postfix_expression
+ | INC_OP unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL);
+ $$->set_location(yylloc);
+ }
+ | DEC_OP unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL);
+ $$->set_location(yylloc);
+ }
+ | unary_operator unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression($1, $2, NULL, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+ // Grammar Note: No '*' or '&' unary ops. Pointers are not supported.
+unary_operator:
+ '+' { $$ = ast_plus; }
+ | '-' { $$ = ast_neg; }
+ | '!' { $$ = ast_logic_not; }
+ | '~' { $$ = ast_bit_not; }
+ ;
+
+multiplicative_expression:
+ unary_expression
+ | multiplicative_expression '*' unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_mul, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | multiplicative_expression '/' unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_div, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | multiplicative_expression '%' unary_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_mod, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+additive_expression:
+ multiplicative_expression
+ | additive_expression '+' multiplicative_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_add, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | additive_expression '-' multiplicative_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_sub, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+shift_expression:
+ additive_expression
+ | shift_expression LEFT_OP additive_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | shift_expression RIGHT_OP additive_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+relational_expression:
+ shift_expression
+ | relational_expression '<' shift_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_less, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | relational_expression '>' shift_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_greater, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | relational_expression LE_OP shift_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | relational_expression GE_OP shift_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+equality_expression:
+ relational_expression
+ | equality_expression EQ_OP relational_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_equal, $1, $3);
+ $$->set_location(yylloc);
+ }
+ | equality_expression NE_OP relational_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+and_expression:
+ equality_expression
+ | and_expression '&' equality_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_bit_and, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+exclusive_or_expression:
+ and_expression
+ | exclusive_or_expression '^' and_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+inclusive_or_expression:
+ exclusive_or_expression
+ | inclusive_or_expression '|' exclusive_or_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+logical_and_expression:
+ inclusive_or_expression
+ | logical_and_expression AND_OP inclusive_or_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+logical_xor_expression:
+ logical_and_expression
+ | logical_xor_expression XOR_OP logical_and_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+logical_or_expression:
+ logical_xor_expression
+ | logical_or_expression OR_OP logical_xor_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+conditional_expression:
+ logical_or_expression
+ | logical_or_expression '?' expression ':' assignment_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5);
+ $$->set_location(yylloc);
+ }
+ ;
+
+assignment_expression:
+ conditional_expression
+ | unary_expression assignment_operator assignment_expression
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression($2, $1, $3, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+assignment_operator:
+ '=' { $$ = ast_assign; }
+ | MUL_ASSIGN { $$ = ast_mul_assign; }
+ | DIV_ASSIGN { $$ = ast_div_assign; }
+ | MOD_ASSIGN { $$ = ast_mod_assign; }
+ | ADD_ASSIGN { $$ = ast_add_assign; }
+ | SUB_ASSIGN { $$ = ast_sub_assign; }
+ | LEFT_ASSIGN { $$ = ast_ls_assign; }
+ | RIGHT_ASSIGN { $$ = ast_rs_assign; }
+ | AND_ASSIGN { $$ = ast_and_assign; }
+ | XOR_ASSIGN { $$ = ast_xor_assign; }
+ | OR_ASSIGN { $$ = ast_or_assign; }
+ ;
+
+expression:
+ assignment_expression
+ {
+ $$ = $1;
+ }
+ | expression ',' assignment_expression
+ {
+ void *ctx = state;
+ if ($1->oper != ast_sequence) {
+ $$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL);
+ $$->set_location(yylloc);
+ $$->expressions.push_tail(& $1->link);
+ } else {
+ $$ = $1;
+ }
+
+ $$->expressions.push_tail(& $3->link);
+ }
+ ;
+
+constant_expression:
+ conditional_expression
+ ;
+
+declaration:
+ function_prototype ';'
+ {
+ state->symbols->pop_scope();
+ $$ = $1;
+ }
+ | init_declarator_list ';'
+ {
+ $$ = $1;
+ }
+ | PRECISION precision_qualifier type_specifier_no_prec ';'
+ {
+ $3->precision = $2;
+ $3->is_precision_statement = true;
+ $$ = $3;
+ }
+ ;
+
+function_prototype:
+ function_declarator ')'
+ ;
+
+function_declarator:
+ function_header
+ | function_header_with_parameters
+ ;
+
+function_header_with_parameters:
+ function_header parameter_declaration
+ {
+ $$ = $1;
+ $$->parameters.push_tail(& $2->link);
+ }
+ | function_header_with_parameters ',' parameter_declaration
+ {
+ $$ = $1;
+ $$->parameters.push_tail(& $3->link);
+ }
+ ;
+
+function_header:
+ fully_specified_type variable_identifier '('
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_function();
+ $$->set_location(yylloc);
+ $$->return_type = $1;
+ $$->identifier = $2;
+
+ state->symbols->add_function(new(state) ir_function($2));
+ state->symbols->push_scope();
+ }
+ ;
+
+parameter_declarator:
+ type_specifier any_identifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_parameter_declarator();
+ $$->set_location(yylloc);
+ $$->type = new(ctx) ast_fully_specified_type();
+ $$->type->set_location(yylloc);
+ $$->type->specifier = $1;
+ $$->identifier = $2;
+ }
+ | type_specifier any_identifier '[' constant_expression ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_parameter_declarator();
+ $$->set_location(yylloc);
+ $$->type = new(ctx) ast_fully_specified_type();
+ $$->type->set_location(yylloc);
+ $$->type->specifier = $1;
+ $$->identifier = $2;
+ $$->is_array = true;
+ $$->array_size = $4;
+ }
+ ;
+
+parameter_declaration:
+ parameter_type_qualifier parameter_qualifier parameter_declarator
+ {
+ $1.flags.i |= $2.flags.i;
+
+ $$ = $3;
+ $$->type->qualifier = $1;
+ }
+ | parameter_qualifier parameter_declarator
+ {
+ $$ = $2;
+ $$->type->qualifier = $1;
+ }
+ | parameter_type_qualifier parameter_qualifier parameter_type_specifier
+ {
+ void *ctx = state;
+ $1.flags.i |= $2.flags.i;
+
+ $$ = new(ctx) ast_parameter_declarator();
+ $$->set_location(yylloc);
+ $$->type = new(ctx) ast_fully_specified_type();
+ $$->type->qualifier = $1;
+ $$->type->specifier = $3;
+ }
+ | parameter_qualifier parameter_type_specifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_parameter_declarator();
+ $$->set_location(yylloc);
+ $$->type = new(ctx) ast_fully_specified_type();
+ $$->type->qualifier = $1;
+ $$->type->specifier = $2;
+ }
+ ;
+
+parameter_qualifier:
+ /* empty */
+ {
+ memset(& $$, 0, sizeof($$));
+ }
+ | IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.in = 1;
+ }
+ | OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.out = 1;
+ }
+ | INOUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.in = 1;
+ $$.flags.q.out = 1;
+ }
+ ;
+
+parameter_type_specifier:
+ type_specifier
+ ;
+
+init_declarator_list:
+ single_declaration
+ | init_declarator_list ',' any_identifier
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ | init_declarator_list ',' any_identifier '[' ']'
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ | init_declarator_list ',' any_identifier '[' constant_expression ']'
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ | init_declarator_list ',' any_identifier '[' ']' '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ | init_declarator_list ',' any_identifier '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5);
+ decl->set_location(yylloc);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ }
+ ;
+
+ // Grammar Note: No 'enum', or 'typedef'.
+single_declaration:
+ fully_specified_type
+ {
+ void *ctx = state;
+ /* Empty declaration list is valid. */
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ }
+ | fully_specified_type any_identifier
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | fully_specified_type any_identifier '[' ']'
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | fully_specified_type any_identifier '[' constant_expression ']'
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | fully_specified_type any_identifier '[' ']' '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | fully_specified_type any_identifier '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
+
+ $$ = new(ctx) ast_declarator_list($1);
+ $$->set_location(yylloc);
+ $$->declarations.push_tail(&decl->link);
+ }
+ | INVARIANT variable_identifier // Vertex only.
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
+
+ $$ = new(ctx) ast_declarator_list(NULL);
+ $$->set_location(yylloc);
+ $$->invariant = true;
+
+ $$->declarations.push_tail(&decl->link);
+ }
+ ;
+
+fully_specified_type:
+ type_specifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_fully_specified_type();
+ $$->set_location(yylloc);
+ $$->specifier = $1;
+ }
+ | type_qualifier type_specifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_fully_specified_type();
+ $$->set_location(yylloc);
+ $$->qualifier = $1;
+ $$->specifier = $2;
+ }
+ ;
+
+layout_qualifier:
+ LAYOUT_TOK '(' layout_qualifier_id_list ')'
+ {
+ $$ = $3;
+ }
+ ;
+
+layout_qualifier_id_list:
+ layout_qualifier_id
+ | layout_qualifier_id_list ',' layout_qualifier_id
+ {
+ if (($1.flags.i & $3.flags.i) != 0) {
+ _mesa_glsl_error(& @3, state,
+ "duplicate layout qualifiers used\n");
+ YYERROR;
+ }
+
+ $$.flags.i = $1.flags.i | $3.flags.i;
+
+ if ($1.flags.q.explicit_location)
+ $$.location = $1.location;
+
+ if ($3.flags.q.explicit_location)
+ $$.location = $3.location;
+ }
+ ;
+
+layout_qualifier_id:
+ any_identifier
+ {
+ bool got_one = false;
+
+ memset(& $$, 0, sizeof($$));
+
+ /* Layout qualifiers for ARB_fragment_coord_conventions. */
+ if (!got_one && state->ARB_fragment_coord_conventions_enable) {
+ if (strcmp($1, "origin_upper_left") == 0) {
+ got_one = true;
+ $$.flags.q.origin_upper_left = 1;
+ } else if (strcmp($1, "pixel_center_integer") == 0) {
+ got_one = true;
+ $$.flags.q.pixel_center_integer = 1;
+ }
+
+ if (got_one && state->ARB_fragment_coord_conventions_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_ARB_fragment_coord_conventions layout "
+ "identifier `%s' used\n", $1);
+ }
+ }
+
+ /* Layout qualifiers for AMD_conservative_depth. */
+ if (!got_one && state->AMD_conservative_depth_enable) {
+ if (strcmp($1, "depth_any") == 0) {
+ got_one = true;
+ $$.flags.q.depth_any = 1;
+ } else if (strcmp($1, "depth_greater") == 0) {
+ got_one = true;
+ $$.flags.q.depth_greater = 1;
+ } else if (strcmp($1, "depth_less") == 0) {
+ got_one = true;
+ $$.flags.q.depth_less = 1;
+ } else if (strcmp($1, "depth_unchanged") == 0) {
+ got_one = true;
+ $$.flags.q.depth_unchanged = 1;
+ }
+
+ if (got_one && state->AMD_conservative_depth_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_AMD_conservative_depth "
+ "layout qualifier `%s' is used\n", $1);
+ }
+ }
+
+ if (!got_one) {
+ _mesa_glsl_error(& @1, state, "unrecognized layout identifier "
+ "`%s'\n", $1);
+ YYERROR;
+ }
+ }
+ | any_identifier '=' INTCONSTANT
+ {
+ bool got_one = false;
+
+ memset(& $$, 0, sizeof($$));
+
+ if (state->ARB_explicit_attrib_location_enable) {
+ /* FINISHME: Handle 'index' once GL_ARB_blend_func_exteneded and
+ * FINISHME: GLSL 1.30 (or later) are supported.
+ */
+ if (strcmp("location", $1) == 0) {
+ got_one = true;
+
+ $$.flags.q.explicit_location = 1;
+
+ if ($3 >= 0) {
+ $$.location = $3;
+ } else {
+ _mesa_glsl_error(& @3, state,
+ "invalid location %d specified\n", $3);
+ YYERROR;
+ }
+ }
+ }
+
+ /* If the identifier didn't match any known layout identifiers,
+ * emit an error.
+ */
+ if (!got_one) {
+ _mesa_glsl_error(& @1, state, "unrecognized layout identifier "
+ "`%s'\n", $1);
+ YYERROR;
+ } else if (state->ARB_explicit_attrib_location_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_ARB_explicit_attrib_location layout "
+ "identifier `%s' used\n", $1);
+ }
+ }
+ ;
+
+interpolation_qualifier:
+ SMOOTH
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.smooth = 1;
+ }
+ | FLAT
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.flat = 1;
+ }
+ | NOPERSPECTIVE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.noperspective = 1;
+ }
+ ;
+
+parameter_type_qualifier:
+ CONST_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.constant = 1;
+ }
+ ;
+
+type_qualifier:
+ storage_qualifier
+ | layout_qualifier
+ | layout_qualifier storage_qualifier
+ {
+ $$ = $1;
+ $$.flags.i |= $2.flags.i;
+ }
+ | interpolation_qualifier
+ | interpolation_qualifier storage_qualifier
+ {
+ $$ = $1;
+ $$.flags.i |= $2.flags.i;
+ }
+ | INVARIANT storage_qualifier
+ {
+ $$ = $2;
+ $$.flags.q.invariant = 1;
+ }
+ | INVARIANT interpolation_qualifier storage_qualifier
+ {
+ $$ = $2;
+ $$.flags.i |= $3.flags.i;
+ $$.flags.q.invariant = 1;
+ }
+ | INVARIANT
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.invariant = 1;
+ }
+ ;
+
+storage_qualifier:
+ CONST_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.constant = 1;
+ }
+ | ATTRIBUTE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.attribute = 1;
+ }
+ | VARYING
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.varying = 1;
+ }
+ | CENTROID VARYING
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.centroid = 1;
+ $$.flags.q.varying = 1;
+ }
+ | IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.in = 1;
+ }
+ | OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.out = 1;
+ }
+ | CENTROID IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.centroid = 1; $$.flags.q.in = 1;
+ }
+ | CENTROID OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.centroid = 1; $$.flags.q.out = 1;
+ }
+ | UNIFORM
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.uniform = 1;
+ }
+ ;
+
+type_specifier:
+ type_specifier_no_prec
+ {
+ $$ = $1;
+ }
+ | precision_qualifier type_specifier_no_prec
+ {
+ $$ = $2;
+ $$->precision = $1;
+ }
+ ;
+
+type_specifier_no_prec:
+ type_specifier_nonarray
+ | type_specifier_nonarray '[' ']'
+ {
+ $$ = $1;
+ $$->is_array = true;
+ $$->array_size = NULL;
+ }
+ | type_specifier_nonarray '[' constant_expression ']'
+ {
+ $$ = $1;
+ $$->is_array = true;
+ $$->array_size = $3;
+ }
+ ;
+
+type_specifier_nonarray:
+ basic_type_specifier_nonarray
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_type_specifier($1);
+ $$->set_location(yylloc);
+ }
+ | struct_specifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_type_specifier($1);
+ $$->set_location(yylloc);
+ }
+ | TYPE_IDENTIFIER
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_type_specifier($1);
+ $$->set_location(yylloc);
+ }
+ ;
+
+basic_type_specifier_nonarray:
+ VOID_TOK { $$ = ast_void; }
+ | FLOAT_TOK { $$ = ast_float; }
+ | INT_TOK { $$ = ast_int; }
+ | UINT_TOK { $$ = ast_uint; }
+ | BOOL_TOK { $$ = ast_bool; }
+ | VEC2 { $$ = ast_vec2; }
+ | VEC3 { $$ = ast_vec3; }
+ | VEC4 { $$ = ast_vec4; }
+ | BVEC2 { $$ = ast_bvec2; }
+ | BVEC3 { $$ = ast_bvec3; }
+ | BVEC4 { $$ = ast_bvec4; }
+ | IVEC2 { $$ = ast_ivec2; }
+ | IVEC3 { $$ = ast_ivec3; }
+ | IVEC4 { $$ = ast_ivec4; }
+ | UVEC2 { $$ = ast_uvec2; }
+ | UVEC3 { $$ = ast_uvec3; }
+ | UVEC4 { $$ = ast_uvec4; }
+ | MAT2X2 { $$ = ast_mat2; }
+ | MAT2X3 { $$ = ast_mat2x3; }
+ | MAT2X4 { $$ = ast_mat2x4; }
+ | MAT3X2 { $$ = ast_mat3x2; }
+ | MAT3X3 { $$ = ast_mat3; }
+ | MAT3X4 { $$ = ast_mat3x4; }
+ | MAT4X2 { $$ = ast_mat4x2; }
+ | MAT4X3 { $$ = ast_mat4x3; }
+ | MAT4X4 { $$ = ast_mat4; }
+ | SAMPLER1D { $$ = ast_sampler1d; }
+ | SAMPLER2D { $$ = ast_sampler2d; }
+ | SAMPLER2DRECT { $$ = ast_sampler2drect; }
+ | SAMPLER3D { $$ = ast_sampler3d; }
+ | SAMPLERCUBE { $$ = ast_samplercube; }
+ | SAMPLER1DSHADOW { $$ = ast_sampler1dshadow; }
+ | SAMPLER2DSHADOW { $$ = ast_sampler2dshadow; }
+ | SAMPLER2DRECTSHADOW { $$ = ast_sampler2drectshadow; }
+ | SAMPLERCUBESHADOW { $$ = ast_samplercubeshadow; }
+ | SAMPLER1DARRAY { $$ = ast_sampler1darray; }
+ | SAMPLER2DARRAY { $$ = ast_sampler2darray; }
+ | SAMPLER1DARRAYSHADOW { $$ = ast_sampler1darrayshadow; }
+ | SAMPLER2DARRAYSHADOW { $$ = ast_sampler2darrayshadow; }
+ | ISAMPLER1D { $$ = ast_isampler1d; }
+ | ISAMPLER2D { $$ = ast_isampler2d; }
+ | ISAMPLER3D { $$ = ast_isampler3d; }
+ | ISAMPLERCUBE { $$ = ast_isamplercube; }
+ | ISAMPLER1DARRAY { $$ = ast_isampler1darray; }
+ | ISAMPLER2DARRAY { $$ = ast_isampler2darray; }
+ | USAMPLER1D { $$ = ast_usampler1d; }
+ | USAMPLER2D { $$ = ast_usampler2d; }
+ | USAMPLER3D { $$ = ast_usampler3d; }
+ | USAMPLERCUBE { $$ = ast_usamplercube; }
+ | USAMPLER1DARRAY { $$ = ast_usampler1darray; }
+ | USAMPLER2DARRAY { $$ = ast_usampler2darray; }
+ ;
+
+precision_qualifier:
+ HIGHP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in %s (1.30 or later "
+ "required)\n",
+ state->version_string);
+
+ $$ = ast_precision_high;
+ }
+ | MEDIUMP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in %s (1.30 or later "
+ "required)\n",
+ state->version_string);
+
+ $$ = ast_precision_medium;
+ }
+ | LOWP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in %s (1.30 or later "
+ "required)\n",
+ state->version_string);
+
+ $$ = ast_precision_low;
+ }
+ ;
+
+struct_specifier:
+ STRUCT any_identifier '{' struct_declaration_list '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_struct_specifier($2, $4);
+ $$->set_location(yylloc);
+ state->symbols->add_type($2, glsl_type::void_type);
+ }
+ | STRUCT '{' struct_declaration_list '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_struct_specifier(NULL, $3);
+ $$->set_location(yylloc);
+ }
+ ;
+
+struct_declaration_list:
+ struct_declaration
+ {
+ $$ = (ast_node *) $1;
+ $1->link.self_link();
+ }
+ | struct_declaration_list struct_declaration
+ {
+ $$ = (ast_node *) $1;
+ $$->link.insert_before(& $2->link);
+ }
+ ;
+
+struct_declaration:
+ type_specifier struct_declarator_list ';'
+ {
+ void *ctx = state;
+ ast_fully_specified_type *type = new(ctx) ast_fully_specified_type();
+ type->set_location(yylloc);
+
+ type->specifier = $1;
+ $$ = new(ctx) ast_declarator_list(type);
+ $$->set_location(yylloc);
+
+ $$->declarations.push_degenerate_list_at_head(& $2->link);
+ }
+ ;
+
+struct_declarator_list:
+ struct_declarator
+ {
+ $$ = $1;
+ $1->link.self_link();
+ }
+ | struct_declarator_list ',' struct_declarator
+ {
+ $$ = $1;
+ $$->link.insert_before(& $3->link);
+ }
+ ;
+
+struct_declarator:
+ any_identifier
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_declaration($1, false, NULL, NULL);
+ $$->set_location(yylloc);
+ state->symbols->add_variable(new(state) ir_variable(NULL, $1, ir_var_auto));
+ }
+ | any_identifier '[' constant_expression ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_declaration($1, true, $3, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+initializer:
+ assignment_expression
+ ;
+
+declaration_statement:
+ declaration
+ ;
+
+ // Grammar Note: labeled statements for SWITCH only; 'goto' is not
+ // supported.
+statement:
+ compound_statement { $$ = (ast_node *) $1; }
+ | simple_statement
+ ;
+
+simple_statement:
+ declaration_statement
+ | expression_statement
+ | selection_statement
+ | switch_statement { $$ = NULL; }
+ | case_label { $$ = NULL; }
+ | iteration_statement
+ | jump_statement
+ ;
+
+compound_statement:
+ '{' '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_compound_statement(true, NULL);
+ $$->set_location(yylloc);
+ }
+ | '{'
+ {
+ state->symbols->push_scope();
+ }
+ statement_list '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_compound_statement(true, $3);
+ $$->set_location(yylloc);
+ state->symbols->pop_scope();
+ }
+ ;
+
+statement_no_new_scope:
+ compound_statement_no_new_scope { $$ = (ast_node *) $1; }
+ | simple_statement
+ ;
+
+compound_statement_no_new_scope:
+ '{' '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_compound_statement(false, NULL);
+ $$->set_location(yylloc);
+ }
+ | '{' statement_list '}'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_compound_statement(false, $2);
+ $$->set_location(yylloc);
+ }
+ ;
+
+statement_list:
+ statement
+ {
+ if ($1 == NULL) {
+ _mesa_glsl_error(& @1, state, "<nil> statement\n");
+ assert($1 != NULL);
+ }
+
+ $$ = $1;
+ $$->link.self_link();
+ }
+ | statement_list statement
+ {
+ if ($2 == NULL) {
+ _mesa_glsl_error(& @2, state, "<nil> statement\n");
+ assert($2 != NULL);
+ }
+ $$ = $1;
+ $$->link.insert_before(& $2->link);
+ }
+ ;
+
+expression_statement:
+ ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_statement(NULL);
+ $$->set_location(yylloc);
+ }
+ | expression ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression_statement($1);
+ $$->set_location(yylloc);
+ }
+ ;
+
+selection_statement:
+ IF '(' expression ')' selection_rest_statement
+ {
+ $$ = new(state) ast_selection_statement($3, $5.then_statement,
+ $5.else_statement);
+ $$->set_location(yylloc);
+ }
+ ;
+
+selection_rest_statement:
+ statement ELSE statement
+ {
+ $$.then_statement = $1;
+ $$.else_statement = $3;
+ }
+ | statement
+ {
+ $$.then_statement = $1;
+ $$.else_statement = NULL;
+ }
+ ;
+
+condition:
+ expression
+ {
+ $$ = (ast_node *) $1;
+ }
+ | fully_specified_type any_identifier '=' initializer
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
+ ast_declarator_list *declarator = new(ctx) ast_declarator_list($1);
+ decl->set_location(yylloc);
+ declarator->set_location(yylloc);
+
+ declarator->declarations.push_tail(&decl->link);
+ $$ = declarator;
+ }
+ ;
+
+switch_statement:
+ SWITCH '(' expression ')' compound_statement
+ ;
+
+case_label:
+ CASE expression ':'
+ | DEFAULT ':'
+ ;
+
+iteration_statement:
+ WHILE '(' condition ')' statement_no_new_scope
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while,
+ NULL, $3, NULL, $5);
+ $$->set_location(yylloc);
+ }
+ | DO statement WHILE '(' expression ')' ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while,
+ NULL, $5, NULL, $2);
+ $$->set_location(yylloc);
+ }
+ | FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for,
+ $3, $4.cond, $4.rest, $6);
+ $$->set_location(yylloc);
+ }
+ ;
+
+for_init_statement:
+ expression_statement
+ | declaration_statement
+ ;
+
+conditionopt:
+ condition
+ | /* empty */
+ {
+ $$ = NULL;
+ }
+ ;
+
+for_rest_statement:
+ conditionopt ';'
+ {
+ $$.cond = $1;
+ $$.rest = NULL;
+ }
+ | conditionopt ';' expression
+ {
+ $$.cond = $1;
+ $$.rest = $3;
+ }
+ ;
+
+ // Grammar Note: No 'goto'. Gotos are not supported.
+jump_statement:
+ CONTINUE ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL);
+ $$->set_location(yylloc);
+ }
+ | BREAK ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL);
+ $$->set_location(yylloc);
+ }
+ | RETURN ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL);
+ $$->set_location(yylloc);
+ }
+ | RETURN expression ';'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2);
+ $$->set_location(yylloc);
+ }
+ | DISCARD ';' // Fragment shader only.
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL);
+ $$->set_location(yylloc);
+ }
+ ;
+
+external_declaration:
+ function_definition { $$ = $1; }
+ | declaration { $$ = $1; }
+ | pragma_statement { $$ = NULL; }
+ ;
+
+function_definition:
+ function_prototype compound_statement_no_new_scope
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_function_definition();
+ $$->set_location(yylloc);
+ $$->prototype = $1;
+ $$->body = $2;
+
+ state->symbols->pop_scope();
+ }
+ ;
diff --git a/mesalib/src/mesa/SConscript b/mesalib/src/mesa/SConscript
index 24e2155c3..cbd166251 100644
--- a/mesalib/src/mesa/SConscript
+++ b/mesalib/src/mesa/SConscript
@@ -264,6 +264,7 @@ statetracker_sources = [
'state_tracker/st_draw_feedback.c',
'state_tracker/st_extensions.c',
'state_tracker/st_format.c',
+ 'state_tracker/st_glsl_to_tgsi.cpp',
'state_tracker/st_gen_mipmap.c',
'state_tracker/st_manager.c',
'state_tracker/st_mesa_to_tgsi.c',
diff --git a/mesalib/src/mesa/main/compiler.h b/mesalib/src/mesa/main/compiler.h
index d736fdfc5..ee7d0b2f8 100644
--- a/mesalib/src/mesa/main/compiler.h
+++ b/mesalib/src/mesa/main/compiler.h
@@ -60,29 +60,7 @@ extern "C" {
/**
* Get standard integer types
*/
-#if defined(_MSC_VER)
- typedef __int8 int8_t;
- typedef unsigned __int8 uint8_t;
- typedef __int16 int16_t;
- typedef unsigned __int16 uint16_t;
- typedef __int32 int32_t;
- typedef unsigned __int32 uint32_t;
- typedef __int64 int64_t;
- typedef unsigned __int64 uint64_t;
-
-# if defined(_WIN64)
- typedef __int64 intptr_t;
- typedef unsigned __int64 uintptr_t;
-# else
- typedef __int32 intptr_t;
- typedef unsigned __int32 uintptr_t;
-# endif
-
-# define INT64_C(__val) __val##i64
-# define UINT64_C(__val) __val##ui64
-#else
-# include <stdint.h>
-#endif
+#include <stdint.h>
/**
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index aac8b9c5e..3ba4df634 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -5,7 +5,6 @@
/*
* Mesa 3-D graphics library
- * Version: 7.0.3
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
@@ -560,7 +559,6 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
ctx->Polygon.OffsetLine = state;
break;
case GL_POLYGON_OFFSET_FILL:
- /*case GL_POLYGON_OFFSET_EXT:*/
if (ctx->Polygon.OffsetFill == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
@@ -643,9 +641,7 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
break;
#endif
- /*
- * CLIENT STATE!!!
- */
+ /* client-side state */
case GL_VERTEX_ARRAY:
case GL_NORMAL_ARRAY:
case GL_COLOR_ARRAY:
@@ -1174,7 +1170,6 @@ _mesa_IsEnabled( GLenum cap )
case GL_POLYGON_OFFSET_LINE:
return ctx->Polygon.OffsetLine;
case GL_POLYGON_OFFSET_FILL:
- /*case GL_POLYGON_OFFSET_EXT:*/
return ctx->Polygon.OffsetFill;
case GL_RESCALE_NORMAL_EXT:
return ctx->Transform.RescaleNormals;
@@ -1213,9 +1208,7 @@ _mesa_IsEnabled( GLenum cap )
}
#endif
- /*
- * CLIENT STATE!!!
- */
+ /* client-side state */
case GL_VERTEX_ARRAY:
return (ctx->Array.ArrayObj->Vertex.Enabled != 0);
case GL_NORMAL_ARRAY:
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index dbfa6b57d..7cc172168 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -874,7 +874,8 @@ static struct ureg register_const4f( struct texenv_fragment_program *p,
values[1] = s1;
values[2] = s2;
values[3] = s3;
- idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
+ idx = _mesa_add_unnamed_constant( p->program->Base.Parameters,
+ (gl_constant_value *) values, 4,
&swizzle );
r = make_ureg(PROGRAM_CONSTANT, idx);
r.swz = swizzle;
diff --git a/mesalib/src/mesa/main/ffvertex_prog.c b/mesalib/src/mesa/main/ffvertex_prog.c
index 281229e34..2d2485c9e 100644
--- a/mesalib/src/mesa/main/ffvertex_prog.c
+++ b/mesalib/src/mesa/main/ffvertex_prog.c
@@ -1,1680 +1,1680 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * \file ffvertex_prog.c
- *
- * Create a vertex program to execute the current fixed function T&L pipeline.
- * \author Keith Whitwell
- */
-
-
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/enums.h"
-#include "main/ffvertex_prog.h"
-#include "program/program.h"
-#include "program/prog_cache.h"
-#include "program/prog_instruction.h"
-#include "program/prog_parameter.h"
-#include "program/prog_print.h"
-#include "program/prog_statevars.h"
-
-
-/** Max of number of lights and texture coord units */
-#define NUM_UNITS MAX2(MAX_TEXTURE_COORD_UNITS, MAX_LIGHTS)
-
-struct state_key {
- unsigned light_color_material_mask:12;
- unsigned light_global_enabled:1;
- unsigned light_local_viewer:1;
- unsigned light_twoside:1;
- unsigned material_shininess_is_zero:1;
- unsigned need_eye_coords:1;
- unsigned normalize:1;
- unsigned rescale_normals:1;
-
- unsigned fog_source_is_depth:1;
- unsigned separate_specular:1;
- unsigned point_attenuated:1;
- unsigned point_array:1;
- unsigned texture_enabled_global:1;
- unsigned fragprog_inputs_read:12;
-
- unsigned varying_vp_inputs;
-
- struct {
- unsigned light_enabled:1;
- unsigned light_eyepos3_is_zero:1;
- unsigned light_spotcutoff_is_180:1;
- unsigned light_attenuated:1;
- unsigned texunit_really_enabled:1;
- unsigned texmat_enabled:1;
- unsigned coord_replace:1;
- unsigned texgen_enabled:4;
- unsigned texgen_mode0:4;
- unsigned texgen_mode1:4;
- unsigned texgen_mode2:4;
- unsigned texgen_mode3:4;
- } unit[NUM_UNITS];
-};
-
-
-#define TXG_NONE 0
-#define TXG_OBJ_LINEAR 1
-#define TXG_EYE_LINEAR 2
-#define TXG_SPHERE_MAP 3
-#define TXG_REFLECTION_MAP 4
-#define TXG_NORMAL_MAP 5
-
-static GLuint translate_texgen( GLboolean enabled, GLenum mode )
-{
- if (!enabled)
- return TXG_NONE;
-
- switch (mode) {
- case GL_OBJECT_LINEAR: return TXG_OBJ_LINEAR;
- case GL_EYE_LINEAR: return TXG_EYE_LINEAR;
- case GL_SPHERE_MAP: return TXG_SPHERE_MAP;
- case GL_REFLECTION_MAP_NV: return TXG_REFLECTION_MAP;
- case GL_NORMAL_MAP_NV: return TXG_NORMAL_MAP;
- default: return TXG_NONE;
- }
-}
-
-
-
-static GLboolean check_active_shininess( struct gl_context *ctx,
- const struct state_key *key,
- GLuint side )
-{
- GLuint bit = 1 << (MAT_ATTRIB_FRONT_SHININESS + side);
-
- if ((key->varying_vp_inputs & VERT_BIT_COLOR0) &&
- (key->light_color_material_mask & bit))
- return GL_TRUE;
-
- if (key->varying_vp_inputs & (bit << 16))
- return GL_TRUE;
-
- if (ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SHININESS + side][0] != 0.0F)
- return GL_TRUE;
-
- return GL_FALSE;
-}
-
-
-static void make_state_key( struct gl_context *ctx, struct state_key *key )
-{
- const struct gl_fragment_program *fp;
- GLuint i;
-
- memset(key, 0, sizeof(struct state_key));
- fp = ctx->FragmentProgram._Current;
-
- /* This now relies on texenvprogram.c being active:
- */
- assert(fp);
-
- key->need_eye_coords = ctx->_NeedEyeCoords;
-
- key->fragprog_inputs_read = fp->Base.InputsRead;
- key->varying_vp_inputs = ctx->varying_vp_inputs;
-
- if (ctx->RenderMode == GL_FEEDBACK) {
- /* make sure the vertprog emits color and tex0 */
- key->fragprog_inputs_read |= (FRAG_BIT_COL0 | FRAG_BIT_TEX0);
- }
-
- key->separate_specular = (ctx->Light.Model.ColorControl ==
- GL_SEPARATE_SPECULAR_COLOR);
-
- if (ctx->Light.Enabled) {
- key->light_global_enabled = 1;
-
- if (ctx->Light.Model.LocalViewer)
- key->light_local_viewer = 1;
-
- if (ctx->Light.Model.TwoSide)
- key->light_twoside = 1;
-
- if (ctx->Light.ColorMaterialEnabled) {
- key->light_color_material_mask = ctx->Light.ColorMaterialBitmask;
- }
-
- for (i = 0; i < MAX_LIGHTS; i++) {
- struct gl_light *light = &ctx->Light.Light[i];
-
- if (light->Enabled) {
- key->unit[i].light_enabled = 1;
-
- if (light->EyePosition[3] == 0.0)
- key->unit[i].light_eyepos3_is_zero = 1;
-
- if (light->SpotCutoff == 180.0)
- key->unit[i].light_spotcutoff_is_180 = 1;
-
- if (light->ConstantAttenuation != 1.0 ||
- light->LinearAttenuation != 0.0 ||
- light->QuadraticAttenuation != 0.0)
- key->unit[i].light_attenuated = 1;
- }
- }
-
- if (check_active_shininess(ctx, key, 0)) {
- key->material_shininess_is_zero = 0;
- }
- else if (key->light_twoside &&
- check_active_shininess(ctx, key, 1)) {
- key->material_shininess_is_zero = 0;
- }
- else {
- key->material_shininess_is_zero = 1;
- }
- }
-
- if (ctx->Transform.Normalize)
- key->normalize = 1;
-
- if (ctx->Transform.RescaleNormals)
- key->rescale_normals = 1;
-
- if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT)
- key->fog_source_is_depth = 1;
-
- if (ctx->Point._Attenuated)
- key->point_attenuated = 1;
-
-#if FEATURE_point_size_array
- if (ctx->Array.ArrayObj->PointSize.Enabled)
- key->point_array = 1;
-#endif
-
- if (ctx->Texture._TexGenEnabled ||
- ctx->Texture._TexMatEnabled ||
- ctx->Texture._EnabledUnits)
- key->texture_enabled_global = 1;
-
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
-
- if (texUnit->_ReallyEnabled)
- key->unit[i].texunit_really_enabled = 1;
-
- if (ctx->Point.PointSprite)
- if (ctx->Point.CoordReplace[i])
- key->unit[i].coord_replace = 1;
-
- if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i))
- key->unit[i].texmat_enabled = 1;
-
- if (texUnit->TexGenEnabled) {
- key->unit[i].texgen_enabled = 1;
-
- key->unit[i].texgen_mode0 =
- translate_texgen( texUnit->TexGenEnabled & (1<<0),
- texUnit->GenS.Mode );
- key->unit[i].texgen_mode1 =
- translate_texgen( texUnit->TexGenEnabled & (1<<1),
- texUnit->GenT.Mode );
- key->unit[i].texgen_mode2 =
- translate_texgen( texUnit->TexGenEnabled & (1<<2),
- texUnit->GenR.Mode );
- key->unit[i].texgen_mode3 =
- translate_texgen( texUnit->TexGenEnabled & (1<<3),
- texUnit->GenQ.Mode );
- }
- }
-}
-
-
-
-/* Very useful debugging tool - produces annotated listing of
- * generated program with line/function references for each
- * instruction back into this file:
- */
-#define DISASSEM 0
-
-
-/* Use uregs to represent registers internally, translate to Mesa's
- * expected formats on emit.
- *
- * NOTE: These are passed by value extensively in this file rather
- * than as usual by pointer reference. If this disturbs you, try
- * remembering they are just 32bits in size.
- *
- * GCC is smart enough to deal with these dword-sized structures in
- * much the same way as if I had defined them as dwords and was using
- * macros to access and set the fields. This is much nicer and easier
- * to evolve.
- */
-struct ureg {
- GLuint file:4;
- GLint idx:9; /* relative addressing may be negative */
- /* sizeof(idx) should == sizeof(prog_src_reg::Index) */
- GLuint negate:1;
- GLuint swz:12;
- GLuint pad:6;
-};
-
-
-struct tnl_program {
- const struct state_key *state;
- struct gl_vertex_program *program;
- GLint max_inst; /** number of instructions allocated for program */
- GLboolean mvp_with_dp4;
-
- GLuint temp_in_use;
- GLuint temp_reserved;
-
- struct ureg eye_position;
- struct ureg eye_position_z;
- struct ureg eye_position_normalized;
- struct ureg transformed_normal;
- struct ureg identity;
-
- GLuint materials;
- GLuint color_materials;
-};
-
-
-static const struct ureg undef = {
- PROGRAM_UNDEFINED,
- 0,
- 0,
- 0,
- 0
-};
-
-/* Local shorthand:
- */
-#define X SWIZZLE_X
-#define Y SWIZZLE_Y
-#define Z SWIZZLE_Z
-#define W SWIZZLE_W
-
-
-/* Construct a ureg:
- */
-static struct ureg make_ureg(GLuint file, GLint idx)
-{
- struct ureg reg;
- reg.file = file;
- reg.idx = idx;
- reg.negate = 0;
- reg.swz = SWIZZLE_NOOP;
- reg.pad = 0;
- return reg;
-}
-
-
-
-static struct ureg negate( struct ureg reg )
-{
- reg.negate ^= 1;
- return reg;
-}
-
-
-static struct ureg swizzle( struct ureg reg, int x, int y, int z, int w )
-{
- reg.swz = MAKE_SWIZZLE4(GET_SWZ(reg.swz, x),
- GET_SWZ(reg.swz, y),
- GET_SWZ(reg.swz, z),
- GET_SWZ(reg.swz, w));
- return reg;
-}
-
-
-static struct ureg swizzle1( struct ureg reg, int x )
-{
- return swizzle(reg, x, x, x, x);
-}
-
-
-static struct ureg get_temp( struct tnl_program *p )
-{
- int bit = _mesa_ffs( ~p->temp_in_use );
- if (!bit) {
- _mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- exit(1);
- }
-
- if ((GLuint) bit > p->program->Base.NumTemporaries)
- p->program->Base.NumTemporaries = bit;
-
- p->temp_in_use |= 1<<(bit-1);
- return make_ureg(PROGRAM_TEMPORARY, bit-1);
-}
-
-
-static struct ureg reserve_temp( struct tnl_program *p )
-{
- struct ureg temp = get_temp( p );
- p->temp_reserved |= 1<<temp.idx;
- return temp;
-}
-
-
-static void release_temp( struct tnl_program *p, struct ureg reg )
-{
- if (reg.file == PROGRAM_TEMPORARY) {
- p->temp_in_use &= ~(1<<reg.idx);
- p->temp_in_use |= p->temp_reserved; /* can't release reserved temps */
- }
-}
-
-static void release_temps( struct tnl_program *p )
-{
- p->temp_in_use = p->temp_reserved;
-}
-
-
-static struct ureg register_param5(struct tnl_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4)
-{
- gl_state_index tokens[STATE_LENGTH];
- GLint idx;
- tokens[0] = s0;
- tokens[1] = s1;
- tokens[2] = s2;
- tokens[3] = s3;
- tokens[4] = s4;
- idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
- return make_ureg(PROGRAM_STATE_VAR, idx);
-}
-
-
-#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
-#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
-#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
-#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
-
-
-
-/**
- * \param input one of VERT_ATTRIB_x tokens.
- */
-static struct ureg register_input( struct tnl_program *p, GLuint input )
-{
- assert(input < 32);
-
- if (p->state->varying_vp_inputs & (1<<input)) {
- p->program->Base.InputsRead |= (1<<input);
- return make_ureg(PROGRAM_INPUT, input);
- }
- else {
- return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
- }
-}
-
-
-/**
- * \param input one of VERT_RESULT_x tokens.
- */
-static struct ureg register_output( struct tnl_program *p, GLuint output )
-{
- p->program->Base.OutputsWritten |= BITFIELD64_BIT(output);
- return make_ureg(PROGRAM_OUTPUT, output);
-}
-
-
-static struct ureg register_const4f( struct tnl_program *p,
- GLfloat s0,
- GLfloat s1,
- GLfloat s2,
- GLfloat s3)
-{
- GLfloat values[4];
- GLint idx;
- GLuint swizzle;
- values[0] = s0;
- values[1] = s1;
- values[2] = s2;
- values[3] = s3;
- idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
- &swizzle );
- ASSERT(swizzle == SWIZZLE_NOOP);
- return make_ureg(PROGRAM_CONSTANT, idx);
-}
-
-#define register_const1f(p, s0) register_const4f(p, s0, 0, 0, 1)
-#define register_scalar_const(p, s0) register_const4f(p, s0, s0, s0, s0)
-#define register_const2f(p, s0, s1) register_const4f(p, s0, s1, 0, 1)
-#define register_const3f(p, s0, s1, s2) register_const4f(p, s0, s1, s2, 1)
-
-static GLboolean is_undef( struct ureg reg )
-{
- return reg.file == PROGRAM_UNDEFINED;
-}
-
-
-static struct ureg get_identity_param( struct tnl_program *p )
-{
- if (is_undef(p->identity))
- p->identity = register_const4f(p, 0,0,0,1);
-
- return p->identity;
-}
-
-static void register_matrix_param5( struct tnl_program *p,
- GLint s0, /* modelview, projection, etc */
- GLint s1, /* texture matrix number */
- GLint s2, /* first row */
- GLint s3, /* last row */
- GLint s4, /* inverse, transpose, etc */
- struct ureg *matrix )
-{
- GLint i;
-
- /* This is a bit sad as the support is there to pull the whole
- * matrix out in one go:
- */
- for (i = 0; i <= s3 - s2; i++)
- matrix[i] = register_param5( p, s0, s1, i, i, s4 );
-}
-
-
-static void emit_arg( struct prog_src_register *src,
- struct ureg reg )
-{
- src->File = reg.file;
- src->Index = reg.idx;
- src->Swizzle = reg.swz;
- src->Negate = reg.negate ? NEGATE_XYZW : NEGATE_NONE;
- src->Abs = 0;
- src->RelAddr = 0;
- /* Check that bitfield sizes aren't exceeded */
- ASSERT(src->Index == reg.idx);
-}
-
-
-static void emit_dst( struct prog_dst_register *dst,
- struct ureg reg, GLuint mask )
-{
- dst->File = reg.file;
- dst->Index = reg.idx;
- /* allow zero as a shorthand for xyzw */
- dst->WriteMask = mask ? mask : WRITEMASK_XYZW;
- dst->CondMask = COND_TR; /* always pass cond test */
- dst->CondSwizzle = SWIZZLE_NOOP;
- dst->CondSrc = 0;
- /* Check that bitfield sizes aren't exceeded */
- ASSERT(dst->Index == reg.idx);
-}
-
-
-static void debug_insn( struct prog_instruction *inst, const char *fn,
- GLuint line )
-{
- if (DISASSEM) {
- static const char *last_fn;
-
- if (fn != last_fn) {
- last_fn = fn;
- printf("%s:\n", fn);
- }
-
- printf("%d:\t", line);
- _mesa_print_instruction(inst);
- }
-}
-
-
-static void emit_op3fn(struct tnl_program *p,
- enum prog_opcode op,
- struct ureg dest,
- GLuint mask,
- struct ureg src0,
- struct ureg src1,
- struct ureg src2,
- const char *fn,
- GLuint line)
-{
- GLuint nr;
- struct prog_instruction *inst;
-
- assert((GLint) p->program->Base.NumInstructions <= p->max_inst);
-
- if (p->program->Base.NumInstructions == p->max_inst) {
- /* need to extend the program's instruction array */
- struct prog_instruction *newInst;
-
- /* double the size */
- p->max_inst *= 2;
-
- newInst = _mesa_alloc_instructions(p->max_inst);
- if (!newInst) {
- _mesa_error(NULL, GL_OUT_OF_MEMORY, "vertex program build");
- return;
- }
-
- _mesa_copy_instructions(newInst,
- p->program->Base.Instructions,
- p->program->Base.NumInstructions);
-
- _mesa_free_instructions(p->program->Base.Instructions,
- p->program->Base.NumInstructions);
-
- p->program->Base.Instructions = newInst;
- }
-
- nr = p->program->Base.NumInstructions++;
-
- inst = &p->program->Base.Instructions[nr];
- inst->Opcode = (enum prog_opcode) op;
- inst->Data = 0;
-
- emit_arg( &inst->SrcReg[0], src0 );
- emit_arg( &inst->SrcReg[1], src1 );
- emit_arg( &inst->SrcReg[2], src2 );
-
- emit_dst( &inst->DstReg, dest, mask );
-
- debug_insn(inst, fn, line);
-}
-
-
-#define emit_op3(p, op, dst, mask, src0, src1, src2) \
- emit_op3fn(p, op, dst, mask, src0, src1, src2, __FUNCTION__, __LINE__)
-
-#define emit_op2(p, op, dst, mask, src0, src1) \
- emit_op3fn(p, op, dst, mask, src0, src1, undef, __FUNCTION__, __LINE__)
-
-#define emit_op1(p, op, dst, mask, src0) \
- emit_op3fn(p, op, dst, mask, src0, undef, undef, __FUNCTION__, __LINE__)
-
-
-static struct ureg make_temp( struct tnl_program *p, struct ureg reg )
-{
- if (reg.file == PROGRAM_TEMPORARY &&
- !(p->temp_reserved & (1<<reg.idx)))
- return reg;
- else {
- struct ureg temp = get_temp(p);
- emit_op1(p, OPCODE_MOV, temp, 0, reg);
- return temp;
- }
-}
-
-
-/* Currently no tracking performed of input/output/register size or
- * active elements. Could be used to reduce these operations, as
- * could the matrix type.
- */
-static void emit_matrix_transform_vec4( struct tnl_program *p,
- struct ureg dest,
- const struct ureg *mat,
- struct ureg src)
-{
- emit_op2(p, OPCODE_DP4, dest, WRITEMASK_X, src, mat[0]);
- emit_op2(p, OPCODE_DP4, dest, WRITEMASK_Y, src, mat[1]);
- emit_op2(p, OPCODE_DP4, dest, WRITEMASK_Z, src, mat[2]);
- emit_op2(p, OPCODE_DP4, dest, WRITEMASK_W, src, mat[3]);
-}
-
-
-/* This version is much easier to implement if writemasks are not
- * supported natively on the target or (like SSE), the target doesn't
- * have a clean/obvious dotproduct implementation.
- */
-static void emit_transpose_matrix_transform_vec4( struct tnl_program *p,
- struct ureg dest,
- const struct ureg *mat,
- struct ureg src)
-{
- struct ureg tmp;
-
- if (dest.file != PROGRAM_TEMPORARY)
- tmp = get_temp(p);
- else
- tmp = dest;
-
- emit_op2(p, OPCODE_MUL, tmp, 0, swizzle1(src,X), mat[0]);
- emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Y), mat[1], tmp);
- emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Z), mat[2], tmp);
- emit_op3(p, OPCODE_MAD, dest, 0, swizzle1(src,W), mat[3], tmp);
-
- if (dest.file != PROGRAM_TEMPORARY)
- release_temp(p, tmp);
-}
-
-
-static void emit_matrix_transform_vec3( struct tnl_program *p,
- struct ureg dest,
- const struct ureg *mat,
- struct ureg src)
-{
- emit_op2(p, OPCODE_DP3, dest, WRITEMASK_X, src, mat[0]);
- emit_op2(p, OPCODE_DP3, dest, WRITEMASK_Y, src, mat[1]);
- emit_op2(p, OPCODE_DP3, dest, WRITEMASK_Z, src, mat[2]);
-}
-
-
-static void emit_normalize_vec3( struct tnl_program *p,
- struct ureg dest,
- struct ureg src )
-{
-#if 0
- /* XXX use this when drivers are ready for NRM3 */
- emit_op1(p, OPCODE_NRM3, dest, WRITEMASK_XYZ, src);
-#else
- struct ureg tmp = get_temp(p);
- emit_op2(p, OPCODE_DP3, tmp, WRITEMASK_X, src, src);
- emit_op1(p, OPCODE_RSQ, tmp, WRITEMASK_X, tmp);
- emit_op2(p, OPCODE_MUL, dest, 0, src, swizzle1(tmp, X));
- release_temp(p, tmp);
-#endif
-}
-
-
-static void emit_passthrough( struct tnl_program *p,
- GLuint input,
- GLuint output )
-{
- struct ureg out = register_output(p, output);
- emit_op1(p, OPCODE_MOV, out, 0, register_input(p, input));
-}
-
-
-static struct ureg get_eye_position( struct tnl_program *p )
-{
- if (is_undef(p->eye_position)) {
- struct ureg pos = register_input( p, VERT_ATTRIB_POS );
- struct ureg modelview[4];
-
- p->eye_position = reserve_temp(p);
-
- if (p->mvp_with_dp4) {
- register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
- 0, modelview );
-
- emit_matrix_transform_vec4(p, p->eye_position, modelview, pos);
- }
- else {
- register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
- STATE_MATRIX_TRANSPOSE, modelview );
-
- emit_transpose_matrix_transform_vec4(p, p->eye_position, modelview, pos);
- }
- }
-
- return p->eye_position;
-}
-
-
-static struct ureg get_eye_position_z( struct tnl_program *p )
-{
- if (!is_undef(p->eye_position))
- return swizzle1(p->eye_position, Z);
-
- if (is_undef(p->eye_position_z)) {
- struct ureg pos = register_input( p, VERT_ATTRIB_POS );
- struct ureg modelview[4];
-
- p->eye_position_z = reserve_temp(p);
-
- register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
- 0, modelview );
-
- emit_op2(p, OPCODE_DP4, p->eye_position_z, 0, pos, modelview[2]);
- }
-
- return p->eye_position_z;
-}
-
-
-static struct ureg get_eye_position_normalized( struct tnl_program *p )
-{
- if (is_undef(p->eye_position_normalized)) {
- struct ureg eye = get_eye_position(p);
- p->eye_position_normalized = reserve_temp(p);
- emit_normalize_vec3(p, p->eye_position_normalized, eye);
- }
-
- return p->eye_position_normalized;
-}
-
-
-static struct ureg get_transformed_normal( struct tnl_program *p )
-{
- if (is_undef(p->transformed_normal) &&
- !p->state->need_eye_coords &&
- !p->state->normalize &&
- !(p->state->need_eye_coords == p->state->rescale_normals))
- {
- p->transformed_normal = register_input(p, VERT_ATTRIB_NORMAL );
- }
- else if (is_undef(p->transformed_normal))
- {
- struct ureg normal = register_input(p, VERT_ATTRIB_NORMAL );
- struct ureg mvinv[3];
- struct ureg transformed_normal = reserve_temp(p);
-
- if (p->state->need_eye_coords) {
- register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 2,
- STATE_MATRIX_INVTRANS, mvinv );
-
- /* Transform to eye space:
- */
- emit_matrix_transform_vec3( p, transformed_normal, mvinv, normal );
- normal = transformed_normal;
- }
-
- /* Normalize/Rescale:
- */
- if (p->state->normalize) {
- emit_normalize_vec3( p, transformed_normal, normal );
- normal = transformed_normal;
- }
- else if (p->state->need_eye_coords == p->state->rescale_normals) {
- /* This is already adjusted for eye/non-eye rendering:
- */
- struct ureg rescale = register_param2(p, STATE_INTERNAL,
- STATE_NORMAL_SCALE);
-
- emit_op2( p, OPCODE_MUL, transformed_normal, 0, normal, rescale );
- normal = transformed_normal;
- }
-
- assert(normal.file == PROGRAM_TEMPORARY);
- p->transformed_normal = normal;
- }
-
- return p->transformed_normal;
-}
-
-
-static void build_hpos( struct tnl_program *p )
-{
- struct ureg pos = register_input( p, VERT_ATTRIB_POS );
- struct ureg hpos = register_output( p, VERT_RESULT_HPOS );
- struct ureg mvp[4];
-
- if (p->mvp_with_dp4) {
- register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
- 0, mvp );
- emit_matrix_transform_vec4( p, hpos, mvp, pos );
- }
- else {
- register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
- STATE_MATRIX_TRANSPOSE, mvp );
- emit_transpose_matrix_transform_vec4( p, hpos, mvp, pos );
- }
-}
-
-
-static GLuint material_attrib( GLuint side, GLuint property )
-{
- return (property - STATE_AMBIENT) * 2 + side;
-}
-
-
-/**
- * Get a bitmask of which material values vary on a per-vertex basis.
- */
-static void set_material_flags( struct tnl_program *p )
-{
- p->color_materials = 0;
- p->materials = 0;
-
- if (p->state->varying_vp_inputs & VERT_BIT_COLOR0) {
- p->materials =
- p->color_materials = p->state->light_color_material_mask;
- }
-
- p->materials |= (p->state->varying_vp_inputs >> 16);
-}
-
-
-static struct ureg get_material( struct tnl_program *p, GLuint side,
- GLuint property )
-{
- GLuint attrib = material_attrib(side, property);
-
- if (p->color_materials & (1<<attrib))
- return register_input(p, VERT_ATTRIB_COLOR0);
- else if (p->materials & (1<<attrib)) {
- /* Put material values in the GENERIC slots -- they are not used
- * for anything in fixed function mode.
- */
- return register_input( p, attrib + VERT_ATTRIB_GENERIC0 );
- }
- else
- return register_param3( p, STATE_MATERIAL, side, property );
-}
-
-#define SCENE_COLOR_BITS(side) (( MAT_BIT_FRONT_EMISSION | \
- MAT_BIT_FRONT_AMBIENT | \
- MAT_BIT_FRONT_DIFFUSE) << (side))
-
-
-/**
- * Either return a precalculated constant value or emit code to
- * calculate these values dynamically in the case where material calls
- * are present between begin/end pairs.
- *
- * Probably want to shift this to the program compilation phase - if
- * we always emitted the calculation here, a smart compiler could
- * detect that it was constant (given a certain set of inputs), and
- * lift it out of the main loop. That way the programs created here
- * would be independent of the vertex_buffer details.
- */
-static struct ureg get_scenecolor( struct tnl_program *p, GLuint side )
-{
- if (p->materials & SCENE_COLOR_BITS(side)) {
- struct ureg lm_ambient = register_param1(p, STATE_LIGHTMODEL_AMBIENT);
- struct ureg material_emission = get_material(p, side, STATE_EMISSION);
- struct ureg material_ambient = get_material(p, side, STATE_AMBIENT);
- struct ureg material_diffuse = get_material(p, side, STATE_DIFFUSE);
- struct ureg tmp = make_temp(p, material_diffuse);
- emit_op3(p, OPCODE_MAD, tmp, WRITEMASK_XYZ, lm_ambient,
- material_ambient, material_emission);
- return tmp;
- }
- else
- return register_param2( p, STATE_LIGHTMODEL_SCENECOLOR, side );
-}
-
-
-static struct ureg get_lightprod( struct tnl_program *p, GLuint light,
- GLuint side, GLuint property )
-{
- GLuint attrib = material_attrib(side, property);
- if (p->materials & (1<<attrib)) {
- struct ureg light_value =
- register_param3(p, STATE_LIGHT, light, property);
- struct ureg material_value = get_material(p, side, property);
- struct ureg tmp = get_temp(p);
- emit_op2(p, OPCODE_MUL, tmp, 0, light_value, material_value);
- return tmp;
- }
- else
- return register_param4(p, STATE_LIGHTPROD, light, side, property);
-}
-
-
-static struct ureg calculate_light_attenuation( struct tnl_program *p,
- GLuint i,
- struct ureg VPpli,
- struct ureg dist )
-{
- struct ureg attenuation = register_param3(p, STATE_LIGHT, i,
- STATE_ATTENUATION);
- struct ureg att = get_temp(p);
-
- /* Calculate spot attenuation:
- */
- if (!p->state->unit[i].light_spotcutoff_is_180) {
- struct ureg spot_dir_norm = register_param3(p, STATE_INTERNAL,
- STATE_LIGHT_SPOT_DIR_NORMALIZED, i);
- struct ureg spot = get_temp(p);
- struct ureg slt = get_temp(p);
-
- emit_op2(p, OPCODE_DP3, spot, 0, negate(VPpli), spot_dir_norm);
- emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir_norm,W), spot);
- emit_op2(p, OPCODE_POW, spot, 0, spot, swizzle1(attenuation, W));
- emit_op2(p, OPCODE_MUL, att, 0, slt, spot);
-
- release_temp(p, spot);
- release_temp(p, slt);
- }
-
- /* Calculate distance attenuation:
- */
- if (p->state->unit[i].light_attenuated) {
- /* 1/d,d,d,1/d */
- emit_op1(p, OPCODE_RCP, dist, WRITEMASK_YZ, dist);
- /* 1,d,d*d,1/d */
- emit_op2(p, OPCODE_MUL, dist, WRITEMASK_XZ, dist, swizzle1(dist,Y));
- /* 1/dist-atten */
- emit_op2(p, OPCODE_DP3, dist, 0, attenuation, dist);
-
- if (!p->state->unit[i].light_spotcutoff_is_180) {
- /* dist-atten */
- emit_op1(p, OPCODE_RCP, dist, 0, dist);
- /* spot-atten * dist-atten */
- emit_op2(p, OPCODE_MUL, att, 0, dist, att);
- }
- else {
- /* dist-atten */
- emit_op1(p, OPCODE_RCP, att, 0, dist);
- }
- }
-
- return att;
-}
-
-
-/**
- * Compute:
- * lit.y = MAX(0, dots.x)
- * lit.z = SLT(0, dots.x)
- */
-static void emit_degenerate_lit( struct tnl_program *p,
- struct ureg lit,
- struct ureg dots )
-{
- struct ureg id = get_identity_param(p); /* id = {0,0,0,1} */
-
- /* Note that lit.x & lit.w will not be examined. Note also that
- * dots.xyzw == dots.xxxx.
- */
-
- /* MAX lit, id, dots;
- */
- emit_op2(p, OPCODE_MAX, lit, WRITEMASK_XYZW, id, dots);
-
- /* result[2] = (in > 0 ? 1 : 0)
- * SLT lit.z, id.z, dots; # lit.z = (0 < dots.z) ? 1 : 0
- */
- emit_op2(p, OPCODE_SLT, lit, WRITEMASK_Z, swizzle1(id,Z), dots);
-}
-
-
-/* Need to add some addtional parameters to allow lighting in object
- * space - STATE_SPOT_DIRECTION and STATE_HALF_VECTOR implicitly assume eye
- * space lighting.
- */
-static void build_lighting( struct tnl_program *p )
-{
- const GLboolean twoside = p->state->light_twoside;
- const GLboolean separate = p->state->separate_specular;
- GLuint nr_lights = 0, count = 0;
- struct ureg normal = get_transformed_normal(p);
- struct ureg lit = get_temp(p);
- struct ureg dots = get_temp(p);
- struct ureg _col0 = undef, _col1 = undef;
- struct ureg _bfc0 = undef, _bfc1 = undef;
- GLuint i;
-
- /*
- * NOTE:
- * dots.x = dot(normal, VPpli)
- * dots.y = dot(normal, halfAngle)
- * dots.z = back.shininess
- * dots.w = front.shininess
- */
-
- for (i = 0; i < MAX_LIGHTS; i++)
- if (p->state->unit[i].light_enabled)
- nr_lights++;
-
- set_material_flags(p);
-
- {
- if (!p->state->material_shininess_is_zero) {
- struct ureg shininess = get_material(p, 0, STATE_SHININESS);
- emit_op1(p, OPCODE_MOV, dots, WRITEMASK_W, swizzle1(shininess,X));
- release_temp(p, shininess);
- }
-
- _col0 = make_temp(p, get_scenecolor(p, 0));
- if (separate)
- _col1 = make_temp(p, get_identity_param(p));
- else
- _col1 = _col0;
- }
-
- if (twoside) {
- if (!p->state->material_shininess_is_zero) {
- /* Note that we negate the back-face specular exponent here.
- * The negation will be un-done later in the back-face code below.
- */
- struct ureg shininess = get_material(p, 1, STATE_SHININESS);
- emit_op1(p, OPCODE_MOV, dots, WRITEMASK_Z,
- negate(swizzle1(shininess,X)));
- release_temp(p, shininess);
- }
-
- _bfc0 = make_temp(p, get_scenecolor(p, 1));
- if (separate)
- _bfc1 = make_temp(p, get_identity_param(p));
- else
- _bfc1 = _bfc0;
- }
-
- /* If no lights, still need to emit the scenecolor.
- */
- {
- struct ureg res0 = register_output( p, VERT_RESULT_COL0 );
- emit_op1(p, OPCODE_MOV, res0, 0, _col0);
- }
-
- if (separate) {
- struct ureg res1 = register_output( p, VERT_RESULT_COL1 );
- emit_op1(p, OPCODE_MOV, res1, 0, _col1);
- }
-
- if (twoside) {
- struct ureg res0 = register_output( p, VERT_RESULT_BFC0 );
- emit_op1(p, OPCODE_MOV, res0, 0, _bfc0);
- }
-
- if (twoside && separate) {
- struct ureg res1 = register_output( p, VERT_RESULT_BFC1 );
- emit_op1(p, OPCODE_MOV, res1, 0, _bfc1);
- }
-
- if (nr_lights == 0) {
- release_temps(p);
- return;
- }
-
- for (i = 0; i < MAX_LIGHTS; i++) {
- if (p->state->unit[i].light_enabled) {
- struct ureg half = undef;
- struct ureg att = undef, VPpli = undef;
-
- count++;
-
- if (p->state->unit[i].light_eyepos3_is_zero) {
- /* Can used precomputed constants in this case.
- * Attenuation never applies to infinite lights.
- */
- VPpli = register_param3(p, STATE_INTERNAL,
- STATE_LIGHT_POSITION_NORMALIZED, i);
-
- if (!p->state->material_shininess_is_zero) {
- if (p->state->light_local_viewer) {
- struct ureg eye_hat = get_eye_position_normalized(p);
- half = get_temp(p);
- emit_op2(p, OPCODE_SUB, half, 0, VPpli, eye_hat);
- emit_normalize_vec3(p, half, half);
- }
- else {
- half = register_param3(p, STATE_INTERNAL,
- STATE_LIGHT_HALF_VECTOR, i);
- }
- }
- }
- else {
- struct ureg Ppli = register_param3(p, STATE_INTERNAL,
- STATE_LIGHT_POSITION, i);
- struct ureg V = get_eye_position(p);
- struct ureg dist = get_temp(p);
-
- VPpli = get_temp(p);
-
- /* Calculate VPpli vector
- */
- emit_op2(p, OPCODE_SUB, VPpli, 0, Ppli, V);
-
- /* Normalize VPpli. The dist value also used in
- * attenuation below.
- */
- emit_op2(p, OPCODE_DP3, dist, 0, VPpli, VPpli);
- emit_op1(p, OPCODE_RSQ, dist, 0, dist);
- emit_op2(p, OPCODE_MUL, VPpli, 0, VPpli, dist);
-
- /* Calculate attenuation:
- */
- if (!p->state->unit[i].light_spotcutoff_is_180 ||
- p->state->unit[i].light_attenuated) {
- att = calculate_light_attenuation(p, i, VPpli, dist);
- }
-
- /* Calculate viewer direction, or use infinite viewer:
- */
- if (!p->state->material_shininess_is_zero) {
- half = get_temp(p);
-
- if (p->state->light_local_viewer) {
- struct ureg eye_hat = get_eye_position_normalized(p);
- emit_op2(p, OPCODE_SUB, half, 0, VPpli, eye_hat);
- }
- else {
- struct ureg z_dir = swizzle(get_identity_param(p),X,Y,W,Z);
- emit_op2(p, OPCODE_ADD, half, 0, VPpli, z_dir);
- }
-
- emit_normalize_vec3(p, half, half);
- }
-
- release_temp(p, dist);
- }
-
- /* Calculate dot products:
- */
- if (p->state->material_shininess_is_zero) {
- emit_op2(p, OPCODE_DP3, dots, 0, normal, VPpli);
- }
- else {
- emit_op2(p, OPCODE_DP3, dots, WRITEMASK_X, normal, VPpli);
- emit_op2(p, OPCODE_DP3, dots, WRITEMASK_Y, normal, half);
- }
-
- /* Front face lighting:
- */
- {
- struct ureg ambient = get_lightprod(p, i, 0, STATE_AMBIENT);
- struct ureg diffuse = get_lightprod(p, i, 0, STATE_DIFFUSE);
- struct ureg specular = get_lightprod(p, i, 0, STATE_SPECULAR);
- struct ureg res0, res1;
- GLuint mask0, mask1;
-
- if (count == nr_lights) {
- if (separate) {
- mask0 = WRITEMASK_XYZ;
- mask1 = WRITEMASK_XYZ;
- res0 = register_output( p, VERT_RESULT_COL0 );
- res1 = register_output( p, VERT_RESULT_COL1 );
- }
- else {
- mask0 = 0;
- mask1 = WRITEMASK_XYZ;
- res0 = _col0;
- res1 = register_output( p, VERT_RESULT_COL0 );
- }
- }
- else {
- mask0 = 0;
- mask1 = 0;
- res0 = _col0;
- res1 = _col1;
- }
-
- if (!is_undef(att)) {
- /* light is attenuated by distance */
- emit_op1(p, OPCODE_LIT, lit, 0, dots);
- emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
- emit_op3(p, OPCODE_MAD, _col0, 0, swizzle1(lit,X), ambient, _col0);
- }
- else if (!p->state->material_shininess_is_zero) {
- /* there's a non-zero specular term */
- emit_op1(p, OPCODE_LIT, lit, 0, dots);
- emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
- }
- else {
- /* no attenutation, no specular */
- emit_degenerate_lit(p, lit, dots);
- emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
- }
-
- emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _col0);
- emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _col1);
-
- release_temp(p, ambient);
- release_temp(p, diffuse);
- release_temp(p, specular);
- }
-
- /* Back face lighting:
- */
- if (twoside) {
- struct ureg ambient = get_lightprod(p, i, 1, STATE_AMBIENT);
- struct ureg diffuse = get_lightprod(p, i, 1, STATE_DIFFUSE);
- struct ureg specular = get_lightprod(p, i, 1, STATE_SPECULAR);
- struct ureg res0, res1;
- GLuint mask0, mask1;
-
- if (count == nr_lights) {
- if (separate) {
- mask0 = WRITEMASK_XYZ;
- mask1 = WRITEMASK_XYZ;
- res0 = register_output( p, VERT_RESULT_BFC0 );
- res1 = register_output( p, VERT_RESULT_BFC1 );
- }
- else {
- mask0 = 0;
- mask1 = WRITEMASK_XYZ;
- res0 = _bfc0;
- res1 = register_output( p, VERT_RESULT_BFC0 );
- }
- }
- else {
- res0 = _bfc0;
- res1 = _bfc1;
- mask0 = 0;
- mask1 = 0;
- }
-
- /* For the back face we need to negate the X and Y component
- * dot products. dots.Z has the negated back-face specular
- * exponent. We swizzle that into the W position. This
- * negation makes the back-face specular term positive again.
- */
- dots = negate(swizzle(dots,X,Y,W,Z));
-
- if (!is_undef(att)) {
- emit_op1(p, OPCODE_LIT, lit, 0, dots);
- emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
- emit_op3(p, OPCODE_MAD, _bfc0, 0, swizzle1(lit,X), ambient, _bfc0);
- }
- else if (!p->state->material_shininess_is_zero) {
- emit_op1(p, OPCODE_LIT, lit, 0, dots);
- emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); /**/
- }
- else {
- emit_degenerate_lit(p, lit, dots);
- emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0);
- }
-
- emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0);
- emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1);
- /* restore dots to its original state for subsequent lights
- * by negating and swizzling again.
- */
- dots = negate(swizzle(dots,X,Y,W,Z));
-
- release_temp(p, ambient);
- release_temp(p, diffuse);
- release_temp(p, specular);
- }
-
- release_temp(p, half);
- release_temp(p, VPpli);
- release_temp(p, att);
- }
- }
-
- release_temps( p );
-}
-
-
-static void build_fog( struct tnl_program *p )
-{
- struct ureg fog = register_output(p, VERT_RESULT_FOGC);
- struct ureg input;
-
- if (p->state->fog_source_is_depth) {
- input = get_eye_position_z(p);
- }
- else {
- input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X);
- }
-
- /* result.fog = {abs(f),0,0,1}; */
- emit_op1(p, OPCODE_ABS, fog, WRITEMASK_X, input);
- emit_op1(p, OPCODE_MOV, fog, WRITEMASK_YZW, get_identity_param(p));
-}
-
-
-static void build_reflect_texgen( struct tnl_program *p,
- struct ureg dest,
- GLuint writemask )
-{
- struct ureg normal = get_transformed_normal(p);
- struct ureg eye_hat = get_eye_position_normalized(p);
- struct ureg tmp = get_temp(p);
-
- /* n.u */
- emit_op2(p, OPCODE_DP3, tmp, 0, normal, eye_hat);
- /* 2n.u */
- emit_op2(p, OPCODE_ADD, tmp, 0, tmp, tmp);
- /* (-2n.u)n + u */
- emit_op3(p, OPCODE_MAD, dest, writemask, negate(tmp), normal, eye_hat);
-
- release_temp(p, tmp);
-}
-
-
-static void build_sphere_texgen( struct tnl_program *p,
- struct ureg dest,
- GLuint writemask )
-{
- struct ureg normal = get_transformed_normal(p);
- struct ureg eye_hat = get_eye_position_normalized(p);
- struct ureg tmp = get_temp(p);
- struct ureg half = register_scalar_const(p, .5);
- struct ureg r = get_temp(p);
- struct ureg inv_m = get_temp(p);
- struct ureg id = get_identity_param(p);
-
- /* Could share the above calculations, but it would be
- * a fairly odd state for someone to set (both sphere and
- * reflection active for different texture coordinate
- * components. Of course - if two texture units enable
- * reflect and/or sphere, things start to tilt in favour
- * of seperating this out:
- */
-
- /* n.u */
- emit_op2(p, OPCODE_DP3, tmp, 0, normal, eye_hat);
- /* 2n.u */
- emit_op2(p, OPCODE_ADD, tmp, 0, tmp, tmp);
- /* (-2n.u)n + u */
- emit_op3(p, OPCODE_MAD, r, 0, negate(tmp), normal, eye_hat);
- /* r + 0,0,1 */
- emit_op2(p, OPCODE_ADD, tmp, 0, r, swizzle(id,X,Y,W,Z));
- /* rx^2 + ry^2 + (rz+1)^2 */
- emit_op2(p, OPCODE_DP3, tmp, 0, tmp, tmp);
- /* 2/m */
- emit_op1(p, OPCODE_RSQ, tmp, 0, tmp);
- /* 1/m */
- emit_op2(p, OPCODE_MUL, inv_m, 0, tmp, half);
- /* r/m + 1/2 */
- emit_op3(p, OPCODE_MAD, dest, writemask, r, inv_m, half);
-
- release_temp(p, tmp);
- release_temp(p, r);
- release_temp(p, inv_m);
-}
-
-
-static void build_texture_transform( struct tnl_program *p )
-{
- GLuint i, j;
-
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
-
- if (!(p->state->fragprog_inputs_read & FRAG_BIT_TEX(i)))
- continue;
-
- if (p->state->unit[i].coord_replace)
- continue;
-
- if (p->state->unit[i].texgen_enabled ||
- p->state->unit[i].texmat_enabled) {
-
- GLuint texmat_enabled = p->state->unit[i].texmat_enabled;
- struct ureg out = register_output(p, VERT_RESULT_TEX0 + i);
- struct ureg out_texgen = undef;
-
- if (p->state->unit[i].texgen_enabled) {
- GLuint copy_mask = 0;
- GLuint sphere_mask = 0;
- GLuint reflect_mask = 0;
- GLuint normal_mask = 0;
- GLuint modes[4];
-
- if (texmat_enabled)
- out_texgen = get_temp(p);
- else
- out_texgen = out;
-
- modes[0] = p->state->unit[i].texgen_mode0;
- modes[1] = p->state->unit[i].texgen_mode1;
- modes[2] = p->state->unit[i].texgen_mode2;
- modes[3] = p->state->unit[i].texgen_mode3;
-
- for (j = 0; j < 4; j++) {
- switch (modes[j]) {
- case TXG_OBJ_LINEAR: {
- struct ureg obj = register_input(p, VERT_ATTRIB_POS);
- struct ureg plane =
- register_param3(p, STATE_TEXGEN, i,
- STATE_TEXGEN_OBJECT_S + j);
-
- emit_op2(p, OPCODE_DP4, out_texgen, WRITEMASK_X << j,
- obj, plane );
- break;
- }
- case TXG_EYE_LINEAR: {
- struct ureg eye = get_eye_position(p);
- struct ureg plane =
- register_param3(p, STATE_TEXGEN, i,
- STATE_TEXGEN_EYE_S + j);
-
- emit_op2(p, OPCODE_DP4, out_texgen, WRITEMASK_X << j,
- eye, plane );
- break;
- }
- case TXG_SPHERE_MAP:
- sphere_mask |= WRITEMASK_X << j;
- break;
- case TXG_REFLECTION_MAP:
- reflect_mask |= WRITEMASK_X << j;
- break;
- case TXG_NORMAL_MAP:
- normal_mask |= WRITEMASK_X << j;
- break;
- case TXG_NONE:
- copy_mask |= WRITEMASK_X << j;
- }
- }
-
- if (sphere_mask) {
- build_sphere_texgen(p, out_texgen, sphere_mask);
- }
-
- if (reflect_mask) {
- build_reflect_texgen(p, out_texgen, reflect_mask);
- }
-
- if (normal_mask) {
- struct ureg normal = get_transformed_normal(p);
- emit_op1(p, OPCODE_MOV, out_texgen, normal_mask, normal );
- }
-
- if (copy_mask) {
- struct ureg in = register_input(p, VERT_ATTRIB_TEX0+i);
- emit_op1(p, OPCODE_MOV, out_texgen, copy_mask, in );
- }
- }
-
- if (texmat_enabled) {
- struct ureg texmat[4];
- struct ureg in = (!is_undef(out_texgen) ?
- out_texgen :
- register_input(p, VERT_ATTRIB_TEX0+i));
- if (p->mvp_with_dp4) {
- register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
- 0, texmat );
- emit_matrix_transform_vec4( p, out, texmat, in );
- }
- else {
- register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
- STATE_MATRIX_TRANSPOSE, texmat );
- emit_transpose_matrix_transform_vec4( p, out, texmat, in );
- }
- }
-
- release_temps(p);
- }
- else {
- emit_passthrough(p, VERT_ATTRIB_TEX0+i, VERT_RESULT_TEX0+i);
- }
- }
-}
-
-
-/**
- * Point size attenuation computation.
- */
-static void build_atten_pointsize( struct tnl_program *p )
-{
- struct ureg eye = get_eye_position_z(p);
- struct ureg state_size = register_param2(p, STATE_INTERNAL, STATE_POINT_SIZE_CLAMPED);
- struct ureg state_attenuation = register_param1(p, STATE_POINT_ATTENUATION);
- struct ureg out = register_output(p, VERT_RESULT_PSIZ);
- struct ureg ut = get_temp(p);
-
- /* dist = |eyez| */
- emit_op1(p, OPCODE_ABS, ut, WRITEMASK_Y, swizzle1(eye, Z));
- /* p1 + dist * (p2 + dist * p3); */
- emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y),
- swizzle1(state_attenuation, Z), swizzle1(state_attenuation, Y));
- emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y),
- ut, swizzle1(state_attenuation, X));
-
- /* 1 / sqrt(factor) */
- emit_op1(p, OPCODE_RSQ, ut, WRITEMASK_X, ut );
-
-#if 0
- /* out = pointSize / sqrt(factor) */
- emit_op2(p, OPCODE_MUL, out, WRITEMASK_X, ut, state_size);
-#else
- /* this is a good place to clamp the point size since there's likely
- * no hardware registers to clamp point size at rasterization time.
- */
- emit_op2(p, OPCODE_MUL, ut, WRITEMASK_X, ut, state_size);
- emit_op2(p, OPCODE_MAX, ut, WRITEMASK_X, ut, swizzle1(state_size, Y));
- emit_op2(p, OPCODE_MIN, out, WRITEMASK_X, ut, swizzle1(state_size, Z));
-#endif
-
- release_temp(p, ut);
-}
-
-
-/**
- * Pass-though per-vertex point size, from user's point size array.
- */
-static void build_array_pointsize( struct tnl_program *p )
-{
- struct ureg in = register_input(p, VERT_ATTRIB_POINT_SIZE);
- struct ureg out = register_output(p, VERT_RESULT_PSIZ);
- emit_op1(p, OPCODE_MOV, out, WRITEMASK_X, in);
-}
-
-
-static void build_tnl_program( struct tnl_program *p )
-{
- /* Emit the program, starting with modelviewproject:
- */
- build_hpos(p);
-
- /* Lighting calculations:
- */
- if (p->state->fragprog_inputs_read & (FRAG_BIT_COL0|FRAG_BIT_COL1)) {
- if (p->state->light_global_enabled)
- build_lighting(p);
- else {
- if (p->state->fragprog_inputs_read & FRAG_BIT_COL0)
- emit_passthrough(p, VERT_ATTRIB_COLOR0, VERT_RESULT_COL0);
-
- if (p->state->fragprog_inputs_read & FRAG_BIT_COL1)
- emit_passthrough(p, VERT_ATTRIB_COLOR1, VERT_RESULT_COL1);
- }
- }
-
- if (p->state->fragprog_inputs_read & FRAG_BIT_FOGC)
- build_fog(p);
-
- if (p->state->fragprog_inputs_read & FRAG_BITS_TEX_ANY)
- build_texture_transform(p);
-
- if (p->state->point_attenuated)
- build_atten_pointsize(p);
- else if (p->state->point_array)
- build_array_pointsize(p);
-
- /* Finish up:
- */
- emit_op1(p, OPCODE_END, undef, 0, undef);
-
- /* Disassemble:
- */
- if (DISASSEM) {
- printf ("\n");
- }
-}
-
-
-static void
-create_new_program( const struct state_key *key,
- struct gl_vertex_program *program,
- GLboolean mvp_with_dp4,
- GLuint max_temps)
-{
- struct tnl_program p;
-
- memset(&p, 0, sizeof(p));
- p.state = key;
- p.program = program;
- p.eye_position = undef;
- p.eye_position_z = undef;
- p.eye_position_normalized = undef;
- p.transformed_normal = undef;
- p.identity = undef;
- p.temp_in_use = 0;
- p.mvp_with_dp4 = mvp_with_dp4;
-
- if (max_temps >= sizeof(int) * 8)
- p.temp_reserved = 0;
- else
- p.temp_reserved = ~((1<<max_temps)-1);
-
- /* Start by allocating 32 instructions.
- * If we need more, we'll grow the instruction array as needed.
- */
- p.max_inst = 32;
- p.program->Base.Instructions = _mesa_alloc_instructions(p.max_inst);
- p.program->Base.String = NULL;
- p.program->Base.NumInstructions =
- p.program->Base.NumTemporaries =
- p.program->Base.NumParameters =
- p.program->Base.NumAttributes = p.program->Base.NumAddressRegs = 0;
- p.program->Base.Parameters = _mesa_new_parameter_list();
- p.program->Base.InputsRead = 0;
- p.program->Base.OutputsWritten = 0;
-
- build_tnl_program( &p );
-}
-
-
-/**
- * Return a vertex program which implements the current fixed-function
- * transform/lighting/texgen operations.
- * XXX move this into core mesa (main/)
- */
-struct gl_vertex_program *
-_mesa_get_fixed_func_vertex_program(struct gl_context *ctx)
-{
- struct gl_vertex_program *prog;
- struct state_key key;
-
- /* Grab all the relevent state and put it in a single structure:
- */
- make_state_key(ctx, &key);
-
- /* Look for an already-prepared program for this state:
- */
- prog = (struct gl_vertex_program *)
- _mesa_search_program_cache(ctx->VertexProgram.Cache, &key, sizeof(key));
-
- if (!prog) {
- /* OK, we'll have to build a new one */
- if (0)
- printf("Build new TNL program\n");
-
- prog = (struct gl_vertex_program *)
- ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
- if (!prog)
- return NULL;
-
- create_new_program( &key, prog,
- ctx->mvp_with_dp4,
- ctx->Const.VertexProgram.MaxTemps );
-
-#if 0
- if (ctx->Driver.ProgramStringNotify)
- ctx->Driver.ProgramStringNotify( ctx, GL_VERTEX_PROGRAM_ARB,
- &prog->Base );
-#endif
- _mesa_program_cache_insert(ctx, ctx->VertexProgram.Cache,
- &key, sizeof(key), &prog->Base);
- }
-
- return prog;
-}
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * \file ffvertex_prog.c
+ *
+ * Create a vertex program to execute the current fixed function T&L pipeline.
+ * \author Keith Whitwell
+ */
+
+
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/enums.h"
+#include "main/ffvertex_prog.h"
+#include "program/program.h"
+#include "program/prog_cache.h"
+#include "program/prog_instruction.h"
+#include "program/prog_parameter.h"
+#include "program/prog_print.h"
+#include "program/prog_statevars.h"
+
+
+/** Max of number of lights and texture coord units */
+#define NUM_UNITS MAX2(MAX_TEXTURE_COORD_UNITS, MAX_LIGHTS)
+
+struct state_key {
+ unsigned light_color_material_mask:12;
+ unsigned light_global_enabled:1;
+ unsigned light_local_viewer:1;
+ unsigned light_twoside:1;
+ unsigned material_shininess_is_zero:1;
+ unsigned need_eye_coords:1;
+ unsigned normalize:1;
+ unsigned rescale_normals:1;
+
+ unsigned fog_source_is_depth:1;
+ unsigned separate_specular:1;
+ unsigned point_attenuated:1;
+ unsigned point_array:1;
+ unsigned texture_enabled_global:1;
+ unsigned fragprog_inputs_read:12;
+
+ unsigned varying_vp_inputs;
+
+ struct {
+ unsigned light_enabled:1;
+ unsigned light_eyepos3_is_zero:1;
+ unsigned light_spotcutoff_is_180:1;
+ unsigned light_attenuated:1;
+ unsigned texunit_really_enabled:1;
+ unsigned texmat_enabled:1;
+ unsigned coord_replace:1;
+ unsigned texgen_enabled:4;
+ unsigned texgen_mode0:4;
+ unsigned texgen_mode1:4;
+ unsigned texgen_mode2:4;
+ unsigned texgen_mode3:4;
+ } unit[NUM_UNITS];
+};
+
+
+#define TXG_NONE 0
+#define TXG_OBJ_LINEAR 1
+#define TXG_EYE_LINEAR 2
+#define TXG_SPHERE_MAP 3
+#define TXG_REFLECTION_MAP 4
+#define TXG_NORMAL_MAP 5
+
+static GLuint translate_texgen( GLboolean enabled, GLenum mode )
+{
+ if (!enabled)
+ return TXG_NONE;
+
+ switch (mode) {
+ case GL_OBJECT_LINEAR: return TXG_OBJ_LINEAR;
+ case GL_EYE_LINEAR: return TXG_EYE_LINEAR;
+ case GL_SPHERE_MAP: return TXG_SPHERE_MAP;
+ case GL_REFLECTION_MAP_NV: return TXG_REFLECTION_MAP;
+ case GL_NORMAL_MAP_NV: return TXG_NORMAL_MAP;
+ default: return TXG_NONE;
+ }
+}
+
+
+
+static GLboolean check_active_shininess( struct gl_context *ctx,
+ const struct state_key *key,
+ GLuint side )
+{
+ GLuint bit = 1 << (MAT_ATTRIB_FRONT_SHININESS + side);
+
+ if ((key->varying_vp_inputs & VERT_BIT_COLOR0) &&
+ (key->light_color_material_mask & bit))
+ return GL_TRUE;
+
+ if (key->varying_vp_inputs & (bit << 16))
+ return GL_TRUE;
+
+ if (ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SHININESS + side][0] != 0.0F)
+ return GL_TRUE;
+
+ return GL_FALSE;
+}
+
+
+static void make_state_key( struct gl_context *ctx, struct state_key *key )
+{
+ const struct gl_fragment_program *fp;
+ GLuint i;
+
+ memset(key, 0, sizeof(struct state_key));
+ fp = ctx->FragmentProgram._Current;
+
+ /* This now relies on texenvprogram.c being active:
+ */
+ assert(fp);
+
+ key->need_eye_coords = ctx->_NeedEyeCoords;
+
+ key->fragprog_inputs_read = fp->Base.InputsRead;
+ key->varying_vp_inputs = ctx->varying_vp_inputs;
+
+ if (ctx->RenderMode == GL_FEEDBACK) {
+ /* make sure the vertprog emits color and tex0 */
+ key->fragprog_inputs_read |= (FRAG_BIT_COL0 | FRAG_BIT_TEX0);
+ }
+
+ key->separate_specular = (ctx->Light.Model.ColorControl ==
+ GL_SEPARATE_SPECULAR_COLOR);
+
+ if (ctx->Light.Enabled) {
+ key->light_global_enabled = 1;
+
+ if (ctx->Light.Model.LocalViewer)
+ key->light_local_viewer = 1;
+
+ if (ctx->Light.Model.TwoSide)
+ key->light_twoside = 1;
+
+ if (ctx->Light.ColorMaterialEnabled) {
+ key->light_color_material_mask = ctx->Light.ColorMaterialBitmask;
+ }
+
+ for (i = 0; i < MAX_LIGHTS; i++) {
+ struct gl_light *light = &ctx->Light.Light[i];
+
+ if (light->Enabled) {
+ key->unit[i].light_enabled = 1;
+
+ if (light->EyePosition[3] == 0.0)
+ key->unit[i].light_eyepos3_is_zero = 1;
+
+ if (light->SpotCutoff == 180.0)
+ key->unit[i].light_spotcutoff_is_180 = 1;
+
+ if (light->ConstantAttenuation != 1.0 ||
+ light->LinearAttenuation != 0.0 ||
+ light->QuadraticAttenuation != 0.0)
+ key->unit[i].light_attenuated = 1;
+ }
+ }
+
+ if (check_active_shininess(ctx, key, 0)) {
+ key->material_shininess_is_zero = 0;
+ }
+ else if (key->light_twoside &&
+ check_active_shininess(ctx, key, 1)) {
+ key->material_shininess_is_zero = 0;
+ }
+ else {
+ key->material_shininess_is_zero = 1;
+ }
+ }
+
+ if (ctx->Transform.Normalize)
+ key->normalize = 1;
+
+ if (ctx->Transform.RescaleNormals)
+ key->rescale_normals = 1;
+
+ if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT)
+ key->fog_source_is_depth = 1;
+
+ if (ctx->Point._Attenuated)
+ key->point_attenuated = 1;
+
+#if FEATURE_point_size_array
+ if (ctx->Array.ArrayObj->PointSize.Enabled)
+ key->point_array = 1;
+#endif
+
+ if (ctx->Texture._TexGenEnabled ||
+ ctx->Texture._TexMatEnabled ||
+ ctx->Texture._EnabledUnits)
+ key->texture_enabled_global = 1;
+
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+ if (texUnit->_ReallyEnabled)
+ key->unit[i].texunit_really_enabled = 1;
+
+ if (ctx->Point.PointSprite)
+ if (ctx->Point.CoordReplace[i])
+ key->unit[i].coord_replace = 1;
+
+ if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i))
+ key->unit[i].texmat_enabled = 1;
+
+ if (texUnit->TexGenEnabled) {
+ key->unit[i].texgen_enabled = 1;
+
+ key->unit[i].texgen_mode0 =
+ translate_texgen( texUnit->TexGenEnabled & (1<<0),
+ texUnit->GenS.Mode );
+ key->unit[i].texgen_mode1 =
+ translate_texgen( texUnit->TexGenEnabled & (1<<1),
+ texUnit->GenT.Mode );
+ key->unit[i].texgen_mode2 =
+ translate_texgen( texUnit->TexGenEnabled & (1<<2),
+ texUnit->GenR.Mode );
+ key->unit[i].texgen_mode3 =
+ translate_texgen( texUnit->TexGenEnabled & (1<<3),
+ texUnit->GenQ.Mode );
+ }
+ }
+}
+
+
+
+/* Very useful debugging tool - produces annotated listing of
+ * generated program with line/function references for each
+ * instruction back into this file:
+ */
+#define DISASSEM 0
+
+
+/* Use uregs to represent registers internally, translate to Mesa's
+ * expected formats on emit.
+ *
+ * NOTE: These are passed by value extensively in this file rather
+ * than as usual by pointer reference. If this disturbs you, try
+ * remembering they are just 32bits in size.
+ *
+ * GCC is smart enough to deal with these dword-sized structures in
+ * much the same way as if I had defined them as dwords and was using
+ * macros to access and set the fields. This is much nicer and easier
+ * to evolve.
+ */
+struct ureg {
+ GLuint file:4;
+ GLint idx:9; /* relative addressing may be negative */
+ /* sizeof(idx) should == sizeof(prog_src_reg::Index) */
+ GLuint negate:1;
+ GLuint swz:12;
+ GLuint pad:6;
+};
+
+
+struct tnl_program {
+ const struct state_key *state;
+ struct gl_vertex_program *program;
+ GLint max_inst; /** number of instructions allocated for program */
+ GLboolean mvp_with_dp4;
+
+ GLuint temp_in_use;
+ GLuint temp_reserved;
+
+ struct ureg eye_position;
+ struct ureg eye_position_z;
+ struct ureg eye_position_normalized;
+ struct ureg transformed_normal;
+ struct ureg identity;
+
+ GLuint materials;
+ GLuint color_materials;
+};
+
+
+static const struct ureg undef = {
+ PROGRAM_UNDEFINED,
+ 0,
+ 0,
+ 0,
+ 0
+};
+
+/* Local shorthand:
+ */
+#define X SWIZZLE_X
+#define Y SWIZZLE_Y
+#define Z SWIZZLE_Z
+#define W SWIZZLE_W
+
+
+/* Construct a ureg:
+ */
+static struct ureg make_ureg(GLuint file, GLint idx)
+{
+ struct ureg reg;
+ reg.file = file;
+ reg.idx = idx;
+ reg.negate = 0;
+ reg.swz = SWIZZLE_NOOP;
+ reg.pad = 0;
+ return reg;
+}
+
+
+
+static struct ureg negate( struct ureg reg )
+{
+ reg.negate ^= 1;
+ return reg;
+}
+
+
+static struct ureg swizzle( struct ureg reg, int x, int y, int z, int w )
+{
+ reg.swz = MAKE_SWIZZLE4(GET_SWZ(reg.swz, x),
+ GET_SWZ(reg.swz, y),
+ GET_SWZ(reg.swz, z),
+ GET_SWZ(reg.swz, w));
+ return reg;
+}
+
+
+static struct ureg swizzle1( struct ureg reg, int x )
+{
+ return swizzle(reg, x, x, x, x);
+}
+
+
+static struct ureg get_temp( struct tnl_program *p )
+{
+ int bit = _mesa_ffs( ~p->temp_in_use );
+ if (!bit) {
+ _mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
+ exit(1);
+ }
+
+ if ((GLuint) bit > p->program->Base.NumTemporaries)
+ p->program->Base.NumTemporaries = bit;
+
+ p->temp_in_use |= 1<<(bit-1);
+ return make_ureg(PROGRAM_TEMPORARY, bit-1);
+}
+
+
+static struct ureg reserve_temp( struct tnl_program *p )
+{
+ struct ureg temp = get_temp( p );
+ p->temp_reserved |= 1<<temp.idx;
+ return temp;
+}
+
+
+static void release_temp( struct tnl_program *p, struct ureg reg )
+{
+ if (reg.file == PROGRAM_TEMPORARY) {
+ p->temp_in_use &= ~(1<<reg.idx);
+ p->temp_in_use |= p->temp_reserved; /* can't release reserved temps */
+ }
+}
+
+static void release_temps( struct tnl_program *p )
+{
+ p->temp_in_use = p->temp_reserved;
+}
+
+
+static struct ureg register_param5(struct tnl_program *p,
+ GLint s0,
+ GLint s1,
+ GLint s2,
+ GLint s3,
+ GLint s4)
+{
+ gl_state_index tokens[STATE_LENGTH];
+ GLint idx;
+ tokens[0] = s0;
+ tokens[1] = s1;
+ tokens[2] = s2;
+ tokens[3] = s3;
+ tokens[4] = s4;
+ idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
+ return make_ureg(PROGRAM_STATE_VAR, idx);
+}
+
+
+#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
+#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
+#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
+#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
+
+
+
+/**
+ * \param input one of VERT_ATTRIB_x tokens.
+ */
+static struct ureg register_input( struct tnl_program *p, GLuint input )
+{
+ assert(input < 32);
+
+ if (p->state->varying_vp_inputs & (1<<input)) {
+ p->program->Base.InputsRead |= (1<<input);
+ return make_ureg(PROGRAM_INPUT, input);
+ }
+ else {
+ return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
+ }
+}
+
+
+/**
+ * \param input one of VERT_RESULT_x tokens.
+ */
+static struct ureg register_output( struct tnl_program *p, GLuint output )
+{
+ p->program->Base.OutputsWritten |= BITFIELD64_BIT(output);
+ return make_ureg(PROGRAM_OUTPUT, output);
+}
+
+
+static struct ureg register_const4f( struct tnl_program *p,
+ GLfloat s0,
+ GLfloat s1,
+ GLfloat s2,
+ GLfloat s3)
+{
+ gl_constant_value values[4];
+ GLint idx;
+ GLuint swizzle;
+ values[0].f = s0;
+ values[1].f = s1;
+ values[2].f = s2;
+ values[3].f = s3;
+ idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
+ &swizzle );
+ ASSERT(swizzle == SWIZZLE_NOOP);
+ return make_ureg(PROGRAM_CONSTANT, idx);
+}
+
+#define register_const1f(p, s0) register_const4f(p, s0, 0, 0, 1)
+#define register_scalar_const(p, s0) register_const4f(p, s0, s0, s0, s0)
+#define register_const2f(p, s0, s1) register_const4f(p, s0, s1, 0, 1)
+#define register_const3f(p, s0, s1, s2) register_const4f(p, s0, s1, s2, 1)
+
+static GLboolean is_undef( struct ureg reg )
+{
+ return reg.file == PROGRAM_UNDEFINED;
+}
+
+
+static struct ureg get_identity_param( struct tnl_program *p )
+{
+ if (is_undef(p->identity))
+ p->identity = register_const4f(p, 0,0,0,1);
+
+ return p->identity;
+}
+
+static void register_matrix_param5( struct tnl_program *p,
+ GLint s0, /* modelview, projection, etc */
+ GLint s1, /* texture matrix number */
+ GLint s2, /* first row */
+ GLint s3, /* last row */
+ GLint s4, /* inverse, transpose, etc */
+ struct ureg *matrix )
+{
+ GLint i;
+
+ /* This is a bit sad as the support is there to pull the whole
+ * matrix out in one go:
+ */
+ for (i = 0; i <= s3 - s2; i++)
+ matrix[i] = register_param5( p, s0, s1, i, i, s4 );
+}
+
+
+static void emit_arg( struct prog_src_register *src,
+ struct ureg reg )
+{
+ src->File = reg.file;
+ src->Index = reg.idx;
+ src->Swizzle = reg.swz;
+ src->Negate = reg.negate ? NEGATE_XYZW : NEGATE_NONE;
+ src->Abs = 0;
+ src->RelAddr = 0;
+ /* Check that bitfield sizes aren't exceeded */
+ ASSERT(src->Index == reg.idx);
+}
+
+
+static void emit_dst( struct prog_dst_register *dst,
+ struct ureg reg, GLuint mask )
+{
+ dst->File = reg.file;
+ dst->Index = reg.idx;
+ /* allow zero as a shorthand for xyzw */
+ dst->WriteMask = mask ? mask : WRITEMASK_XYZW;
+ dst->CondMask = COND_TR; /* always pass cond test */
+ dst->CondSwizzle = SWIZZLE_NOOP;
+ dst->CondSrc = 0;
+ /* Check that bitfield sizes aren't exceeded */
+ ASSERT(dst->Index == reg.idx);
+}
+
+
+static void debug_insn( struct prog_instruction *inst, const char *fn,
+ GLuint line )
+{
+ if (DISASSEM) {
+ static const char *last_fn;
+
+ if (fn != last_fn) {
+ last_fn = fn;
+ printf("%s:\n", fn);
+ }
+
+ printf("%d:\t", line);
+ _mesa_print_instruction(inst);
+ }
+}
+
+
+static void emit_op3fn(struct tnl_program *p,
+ enum prog_opcode op,
+ struct ureg dest,
+ GLuint mask,
+ struct ureg src0,
+ struct ureg src1,
+ struct ureg src2,
+ const char *fn,
+ GLuint line)
+{
+ GLuint nr;
+ struct prog_instruction *inst;
+
+ assert((GLint) p->program->Base.NumInstructions <= p->max_inst);
+
+ if (p->program->Base.NumInstructions == p->max_inst) {
+ /* need to extend the program's instruction array */
+ struct prog_instruction *newInst;
+
+ /* double the size */
+ p->max_inst *= 2;
+
+ newInst = _mesa_alloc_instructions(p->max_inst);
+ if (!newInst) {
+ _mesa_error(NULL, GL_OUT_OF_MEMORY, "vertex program build");
+ return;
+ }
+
+ _mesa_copy_instructions(newInst,
+ p->program->Base.Instructions,
+ p->program->Base.NumInstructions);
+
+ _mesa_free_instructions(p->program->Base.Instructions,
+ p->program->Base.NumInstructions);
+
+ p->program->Base.Instructions = newInst;
+ }
+
+ nr = p->program->Base.NumInstructions++;
+
+ inst = &p->program->Base.Instructions[nr];
+ inst->Opcode = (enum prog_opcode) op;
+ inst->Data = 0;
+
+ emit_arg( &inst->SrcReg[0], src0 );
+ emit_arg( &inst->SrcReg[1], src1 );
+ emit_arg( &inst->SrcReg[2], src2 );
+
+ emit_dst( &inst->DstReg, dest, mask );
+
+ debug_insn(inst, fn, line);
+}
+
+
+#define emit_op3(p, op, dst, mask, src0, src1, src2) \
+ emit_op3fn(p, op, dst, mask, src0, src1, src2, __FUNCTION__, __LINE__)
+
+#define emit_op2(p, op, dst, mask, src0, src1) \
+ emit_op3fn(p, op, dst, mask, src0, src1, undef, __FUNCTION__, __LINE__)
+
+#define emit_op1(p, op, dst, mask, src0) \
+ emit_op3fn(p, op, dst, mask, src0, undef, undef, __FUNCTION__, __LINE__)
+
+
+static struct ureg make_temp( struct tnl_program *p, struct ureg reg )
+{
+ if (reg.file == PROGRAM_TEMPORARY &&
+ !(p->temp_reserved & (1<<reg.idx)))
+ return reg;
+ else {
+ struct ureg temp = get_temp(p);
+ emit_op1(p, OPCODE_MOV, temp, 0, reg);
+ return temp;
+ }
+}
+
+
+/* Currently no tracking performed of input/output/register size or
+ * active elements. Could be used to reduce these operations, as
+ * could the matrix type.
+ */
+static void emit_matrix_transform_vec4( struct tnl_program *p,
+ struct ureg dest,
+ const struct ureg *mat,
+ struct ureg src)
+{
+ emit_op2(p, OPCODE_DP4, dest, WRITEMASK_X, src, mat[0]);
+ emit_op2(p, OPCODE_DP4, dest, WRITEMASK_Y, src, mat[1]);
+ emit_op2(p, OPCODE_DP4, dest, WRITEMASK_Z, src, mat[2]);
+ emit_op2(p, OPCODE_DP4, dest, WRITEMASK_W, src, mat[3]);
+}
+
+
+/* This version is much easier to implement if writemasks are not
+ * supported natively on the target or (like SSE), the target doesn't
+ * have a clean/obvious dotproduct implementation.
+ */
+static void emit_transpose_matrix_transform_vec4( struct tnl_program *p,
+ struct ureg dest,
+ const struct ureg *mat,
+ struct ureg src)
+{
+ struct ureg tmp;
+
+ if (dest.file != PROGRAM_TEMPORARY)
+ tmp = get_temp(p);
+ else
+ tmp = dest;
+
+ emit_op2(p, OPCODE_MUL, tmp, 0, swizzle1(src,X), mat[0]);
+ emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Y), mat[1], tmp);
+ emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Z), mat[2], tmp);
+ emit_op3(p, OPCODE_MAD, dest, 0, swizzle1(src,W), mat[3], tmp);
+
+ if (dest.file != PROGRAM_TEMPORARY)
+ release_temp(p, tmp);
+}
+
+
+static void emit_matrix_transform_vec3( struct tnl_program *p,
+ struct ureg dest,
+ const struct ureg *mat,
+ struct ureg src)
+{
+ emit_op2(p, OPCODE_DP3, dest, WRITEMASK_X, src, mat[0]);
+ emit_op2(p, OPCODE_DP3, dest, WRITEMASK_Y, src, mat[1]);
+ emit_op2(p, OPCODE_DP3, dest, WRITEMASK_Z, src, mat[2]);
+}
+
+
+static void emit_normalize_vec3( struct tnl_program *p,
+ struct ureg dest,
+ struct ureg src )
+{
+#if 0
+ /* XXX use this when drivers are ready for NRM3 */
+ emit_op1(p, OPCODE_NRM3, dest, WRITEMASK_XYZ, src);
+#else
+ struct ureg tmp = get_temp(p);
+ emit_op2(p, OPCODE_DP3, tmp, WRITEMASK_X, src, src);
+ emit_op1(p, OPCODE_RSQ, tmp, WRITEMASK_X, tmp);
+ emit_op2(p, OPCODE_MUL, dest, 0, src, swizzle1(tmp, X));
+ release_temp(p, tmp);
+#endif
+}
+
+
+static void emit_passthrough( struct tnl_program *p,
+ GLuint input,
+ GLuint output )
+{
+ struct ureg out = register_output(p, output);
+ emit_op1(p, OPCODE_MOV, out, 0, register_input(p, input));
+}
+
+
+static struct ureg get_eye_position( struct tnl_program *p )
+{
+ if (is_undef(p->eye_position)) {
+ struct ureg pos = register_input( p, VERT_ATTRIB_POS );
+ struct ureg modelview[4];
+
+ p->eye_position = reserve_temp(p);
+
+ if (p->mvp_with_dp4) {
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
+ 0, modelview );
+
+ emit_matrix_transform_vec4(p, p->eye_position, modelview, pos);
+ }
+ else {
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
+ STATE_MATRIX_TRANSPOSE, modelview );
+
+ emit_transpose_matrix_transform_vec4(p, p->eye_position, modelview, pos);
+ }
+ }
+
+ return p->eye_position;
+}
+
+
+static struct ureg get_eye_position_z( struct tnl_program *p )
+{
+ if (!is_undef(p->eye_position))
+ return swizzle1(p->eye_position, Z);
+
+ if (is_undef(p->eye_position_z)) {
+ struct ureg pos = register_input( p, VERT_ATTRIB_POS );
+ struct ureg modelview[4];
+
+ p->eye_position_z = reserve_temp(p);
+
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3,
+ 0, modelview );
+
+ emit_op2(p, OPCODE_DP4, p->eye_position_z, 0, pos, modelview[2]);
+ }
+
+ return p->eye_position_z;
+}
+
+
+static struct ureg get_eye_position_normalized( struct tnl_program *p )
+{
+ if (is_undef(p->eye_position_normalized)) {
+ struct ureg eye = get_eye_position(p);
+ p->eye_position_normalized = reserve_temp(p);
+ emit_normalize_vec3(p, p->eye_position_normalized, eye);
+ }
+
+ return p->eye_position_normalized;
+}
+
+
+static struct ureg get_transformed_normal( struct tnl_program *p )
+{
+ if (is_undef(p->transformed_normal) &&
+ !p->state->need_eye_coords &&
+ !p->state->normalize &&
+ !(p->state->need_eye_coords == p->state->rescale_normals))
+ {
+ p->transformed_normal = register_input(p, VERT_ATTRIB_NORMAL );
+ }
+ else if (is_undef(p->transformed_normal))
+ {
+ struct ureg normal = register_input(p, VERT_ATTRIB_NORMAL );
+ struct ureg mvinv[3];
+ struct ureg transformed_normal = reserve_temp(p);
+
+ if (p->state->need_eye_coords) {
+ register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 2,
+ STATE_MATRIX_INVTRANS, mvinv );
+
+ /* Transform to eye space:
+ */
+ emit_matrix_transform_vec3( p, transformed_normal, mvinv, normal );
+ normal = transformed_normal;
+ }
+
+ /* Normalize/Rescale:
+ */
+ if (p->state->normalize) {
+ emit_normalize_vec3( p, transformed_normal, normal );
+ normal = transformed_normal;
+ }
+ else if (p->state->need_eye_coords == p->state->rescale_normals) {
+ /* This is already adjusted for eye/non-eye rendering:
+ */
+ struct ureg rescale = register_param2(p, STATE_INTERNAL,
+ STATE_NORMAL_SCALE);
+
+ emit_op2( p, OPCODE_MUL, transformed_normal, 0, normal, rescale );
+ normal = transformed_normal;
+ }
+
+ assert(normal.file == PROGRAM_TEMPORARY);
+ p->transformed_normal = normal;
+ }
+
+ return p->transformed_normal;
+}
+
+
+static void build_hpos( struct tnl_program *p )
+{
+ struct ureg pos = register_input( p, VERT_ATTRIB_POS );
+ struct ureg hpos = register_output( p, VERT_RESULT_HPOS );
+ struct ureg mvp[4];
+
+ if (p->mvp_with_dp4) {
+ register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
+ 0, mvp );
+ emit_matrix_transform_vec4( p, hpos, mvp, pos );
+ }
+ else {
+ register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3,
+ STATE_MATRIX_TRANSPOSE, mvp );
+ emit_transpose_matrix_transform_vec4( p, hpos, mvp, pos );
+ }
+}
+
+
+static GLuint material_attrib( GLuint side, GLuint property )
+{
+ return (property - STATE_AMBIENT) * 2 + side;
+}
+
+
+/**
+ * Get a bitmask of which material values vary on a per-vertex basis.
+ */
+static void set_material_flags( struct tnl_program *p )
+{
+ p->color_materials = 0;
+ p->materials = 0;
+
+ if (p->state->varying_vp_inputs & VERT_BIT_COLOR0) {
+ p->materials =
+ p->color_materials = p->state->light_color_material_mask;
+ }
+
+ p->materials |= (p->state->varying_vp_inputs >> 16);
+}
+
+
+static struct ureg get_material( struct tnl_program *p, GLuint side,
+ GLuint property )
+{
+ GLuint attrib = material_attrib(side, property);
+
+ if (p->color_materials & (1<<attrib))
+ return register_input(p, VERT_ATTRIB_COLOR0);
+ else if (p->materials & (1<<attrib)) {
+ /* Put material values in the GENERIC slots -- they are not used
+ * for anything in fixed function mode.
+ */
+ return register_input( p, attrib + VERT_ATTRIB_GENERIC0 );
+ }
+ else
+ return register_param3( p, STATE_MATERIAL, side, property );
+}
+
+#define SCENE_COLOR_BITS(side) (( MAT_BIT_FRONT_EMISSION | \
+ MAT_BIT_FRONT_AMBIENT | \
+ MAT_BIT_FRONT_DIFFUSE) << (side))
+
+
+/**
+ * Either return a precalculated constant value or emit code to
+ * calculate these values dynamically in the case where material calls
+ * are present between begin/end pairs.
+ *
+ * Probably want to shift this to the program compilation phase - if
+ * we always emitted the calculation here, a smart compiler could
+ * detect that it was constant (given a certain set of inputs), and
+ * lift it out of the main loop. That way the programs created here
+ * would be independent of the vertex_buffer details.
+ */
+static struct ureg get_scenecolor( struct tnl_program *p, GLuint side )
+{
+ if (p->materials & SCENE_COLOR_BITS(side)) {
+ struct ureg lm_ambient = register_param1(p, STATE_LIGHTMODEL_AMBIENT);
+ struct ureg material_emission = get_material(p, side, STATE_EMISSION);
+ struct ureg material_ambient = get_material(p, side, STATE_AMBIENT);
+ struct ureg material_diffuse = get_material(p, side, STATE_DIFFUSE);
+ struct ureg tmp = make_temp(p, material_diffuse);
+ emit_op3(p, OPCODE_MAD, tmp, WRITEMASK_XYZ, lm_ambient,
+ material_ambient, material_emission);
+ return tmp;
+ }
+ else
+ return register_param2( p, STATE_LIGHTMODEL_SCENECOLOR, side );
+}
+
+
+static struct ureg get_lightprod( struct tnl_program *p, GLuint light,
+ GLuint side, GLuint property )
+{
+ GLuint attrib = material_attrib(side, property);
+ if (p->materials & (1<<attrib)) {
+ struct ureg light_value =
+ register_param3(p, STATE_LIGHT, light, property);
+ struct ureg material_value = get_material(p, side, property);
+ struct ureg tmp = get_temp(p);
+ emit_op2(p, OPCODE_MUL, tmp, 0, light_value, material_value);
+ return tmp;
+ }
+ else
+ return register_param4(p, STATE_LIGHTPROD, light, side, property);
+}
+
+
+static struct ureg calculate_light_attenuation( struct tnl_program *p,
+ GLuint i,
+ struct ureg VPpli,
+ struct ureg dist )
+{
+ struct ureg attenuation = register_param3(p, STATE_LIGHT, i,
+ STATE_ATTENUATION);
+ struct ureg att = get_temp(p);
+
+ /* Calculate spot attenuation:
+ */
+ if (!p->state->unit[i].light_spotcutoff_is_180) {
+ struct ureg spot_dir_norm = register_param3(p, STATE_INTERNAL,
+ STATE_LIGHT_SPOT_DIR_NORMALIZED, i);
+ struct ureg spot = get_temp(p);
+ struct ureg slt = get_temp(p);
+
+ emit_op2(p, OPCODE_DP3, spot, 0, negate(VPpli), spot_dir_norm);
+ emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir_norm,W), spot);
+ emit_op2(p, OPCODE_POW, spot, 0, spot, swizzle1(attenuation, W));
+ emit_op2(p, OPCODE_MUL, att, 0, slt, spot);
+
+ release_temp(p, spot);
+ release_temp(p, slt);
+ }
+
+ /* Calculate distance attenuation:
+ */
+ if (p->state->unit[i].light_attenuated) {
+ /* 1/d,d,d,1/d */
+ emit_op1(p, OPCODE_RCP, dist, WRITEMASK_YZ, dist);
+ /* 1,d,d*d,1/d */
+ emit_op2(p, OPCODE_MUL, dist, WRITEMASK_XZ, dist, swizzle1(dist,Y));
+ /* 1/dist-atten */
+ emit_op2(p, OPCODE_DP3, dist, 0, attenuation, dist);
+
+ if (!p->state->unit[i].light_spotcutoff_is_180) {
+ /* dist-atten */
+ emit_op1(p, OPCODE_RCP, dist, 0, dist);
+ /* spot-atten * dist-atten */
+ emit_op2(p, OPCODE_MUL, att, 0, dist, att);
+ }
+ else {
+ /* dist-atten */
+ emit_op1(p, OPCODE_RCP, att, 0, dist);
+ }
+ }
+
+ return att;
+}
+
+
+/**
+ * Compute:
+ * lit.y = MAX(0, dots.x)
+ * lit.z = SLT(0, dots.x)
+ */
+static void emit_degenerate_lit( struct tnl_program *p,
+ struct ureg lit,
+ struct ureg dots )
+{
+ struct ureg id = get_identity_param(p); /* id = {0,0,0,1} */
+
+ /* Note that lit.x & lit.w will not be examined. Note also that
+ * dots.xyzw == dots.xxxx.
+ */
+
+ /* MAX lit, id, dots;
+ */
+ emit_op2(p, OPCODE_MAX, lit, WRITEMASK_XYZW, id, dots);
+
+ /* result[2] = (in > 0 ? 1 : 0)
+ * SLT lit.z, id.z, dots; # lit.z = (0 < dots.z) ? 1 : 0
+ */
+ emit_op2(p, OPCODE_SLT, lit, WRITEMASK_Z, swizzle1(id,Z), dots);
+}
+
+
+/* Need to add some addtional parameters to allow lighting in object
+ * space - STATE_SPOT_DIRECTION and STATE_HALF_VECTOR implicitly assume eye
+ * space lighting.
+ */
+static void build_lighting( struct tnl_program *p )
+{
+ const GLboolean twoside = p->state->light_twoside;
+ const GLboolean separate = p->state->separate_specular;
+ GLuint nr_lights = 0, count = 0;
+ struct ureg normal = get_transformed_normal(p);
+ struct ureg lit = get_temp(p);
+ struct ureg dots = get_temp(p);
+ struct ureg _col0 = undef, _col1 = undef;
+ struct ureg _bfc0 = undef, _bfc1 = undef;
+ GLuint i;
+
+ /*
+ * NOTE:
+ * dots.x = dot(normal, VPpli)
+ * dots.y = dot(normal, halfAngle)
+ * dots.z = back.shininess
+ * dots.w = front.shininess
+ */
+
+ for (i = 0; i < MAX_LIGHTS; i++)
+ if (p->state->unit[i].light_enabled)
+ nr_lights++;
+
+ set_material_flags(p);
+
+ {
+ if (!p->state->material_shininess_is_zero) {
+ struct ureg shininess = get_material(p, 0, STATE_SHININESS);
+ emit_op1(p, OPCODE_MOV, dots, WRITEMASK_W, swizzle1(shininess,X));
+ release_temp(p, shininess);
+ }
+
+ _col0 = make_temp(p, get_scenecolor(p, 0));
+ if (separate)
+ _col1 = make_temp(p, get_identity_param(p));
+ else
+ _col1 = _col0;
+ }
+
+ if (twoside) {
+ if (!p->state->material_shininess_is_zero) {
+ /* Note that we negate the back-face specular exponent here.
+ * The negation will be un-done later in the back-face code below.
+ */
+ struct ureg shininess = get_material(p, 1, STATE_SHININESS);
+ emit_op1(p, OPCODE_MOV, dots, WRITEMASK_Z,
+ negate(swizzle1(shininess,X)));
+ release_temp(p, shininess);
+ }
+
+ _bfc0 = make_temp(p, get_scenecolor(p, 1));
+ if (separate)
+ _bfc1 = make_temp(p, get_identity_param(p));
+ else
+ _bfc1 = _bfc0;
+ }
+
+ /* If no lights, still need to emit the scenecolor.
+ */
+ {
+ struct ureg res0 = register_output( p, VERT_RESULT_COL0 );
+ emit_op1(p, OPCODE_MOV, res0, 0, _col0);
+ }
+
+ if (separate) {
+ struct ureg res1 = register_output( p, VERT_RESULT_COL1 );
+ emit_op1(p, OPCODE_MOV, res1, 0, _col1);
+ }
+
+ if (twoside) {
+ struct ureg res0 = register_output( p, VERT_RESULT_BFC0 );
+ emit_op1(p, OPCODE_MOV, res0, 0, _bfc0);
+ }
+
+ if (twoside && separate) {
+ struct ureg res1 = register_output( p, VERT_RESULT_BFC1 );
+ emit_op1(p, OPCODE_MOV, res1, 0, _bfc1);
+ }
+
+ if (nr_lights == 0) {
+ release_temps(p);
+ return;
+ }
+
+ for (i = 0; i < MAX_LIGHTS; i++) {
+ if (p->state->unit[i].light_enabled) {
+ struct ureg half = undef;
+ struct ureg att = undef, VPpli = undef;
+
+ count++;
+
+ if (p->state->unit[i].light_eyepos3_is_zero) {
+ /* Can used precomputed constants in this case.
+ * Attenuation never applies to infinite lights.
+ */
+ VPpli = register_param3(p, STATE_INTERNAL,
+ STATE_LIGHT_POSITION_NORMALIZED, i);
+
+ if (!p->state->material_shininess_is_zero) {
+ if (p->state->light_local_viewer) {
+ struct ureg eye_hat = get_eye_position_normalized(p);
+ half = get_temp(p);
+ emit_op2(p, OPCODE_SUB, half, 0, VPpli, eye_hat);
+ emit_normalize_vec3(p, half, half);
+ }
+ else {
+ half = register_param3(p, STATE_INTERNAL,
+ STATE_LIGHT_HALF_VECTOR, i);
+ }
+ }
+ }
+ else {
+ struct ureg Ppli = register_param3(p, STATE_INTERNAL,
+ STATE_LIGHT_POSITION, i);
+ struct ureg V = get_eye_position(p);
+ struct ureg dist = get_temp(p);
+
+ VPpli = get_temp(p);
+
+ /* Calculate VPpli vector
+ */
+ emit_op2(p, OPCODE_SUB, VPpli, 0, Ppli, V);
+
+ /* Normalize VPpli. The dist value also used in
+ * attenuation below.
+ */
+ emit_op2(p, OPCODE_DP3, dist, 0, VPpli, VPpli);
+ emit_op1(p, OPCODE_RSQ, dist, 0, dist);
+ emit_op2(p, OPCODE_MUL, VPpli, 0, VPpli, dist);
+
+ /* Calculate attenuation:
+ */
+ if (!p->state->unit[i].light_spotcutoff_is_180 ||
+ p->state->unit[i].light_attenuated) {
+ att = calculate_light_attenuation(p, i, VPpli, dist);
+ }
+
+ /* Calculate viewer direction, or use infinite viewer:
+ */
+ if (!p->state->material_shininess_is_zero) {
+ half = get_temp(p);
+
+ if (p->state->light_local_viewer) {
+ struct ureg eye_hat = get_eye_position_normalized(p);
+ emit_op2(p, OPCODE_SUB, half, 0, VPpli, eye_hat);
+ }
+ else {
+ struct ureg z_dir = swizzle(get_identity_param(p),X,Y,W,Z);
+ emit_op2(p, OPCODE_ADD, half, 0, VPpli, z_dir);
+ }
+
+ emit_normalize_vec3(p, half, half);
+ }
+
+ release_temp(p, dist);
+ }
+
+ /* Calculate dot products:
+ */
+ if (p->state->material_shininess_is_zero) {
+ emit_op2(p, OPCODE_DP3, dots, 0, normal, VPpli);
+ }
+ else {
+ emit_op2(p, OPCODE_DP3, dots, WRITEMASK_X, normal, VPpli);
+ emit_op2(p, OPCODE_DP3, dots, WRITEMASK_Y, normal, half);
+ }
+
+ /* Front face lighting:
+ */
+ {
+ struct ureg ambient = get_lightprod(p, i, 0, STATE_AMBIENT);
+ struct ureg diffuse = get_lightprod(p, i, 0, STATE_DIFFUSE);
+ struct ureg specular = get_lightprod(p, i, 0, STATE_SPECULAR);
+ struct ureg res0, res1;
+ GLuint mask0, mask1;
+
+ if (count == nr_lights) {
+ if (separate) {
+ mask0 = WRITEMASK_XYZ;
+ mask1 = WRITEMASK_XYZ;
+ res0 = register_output( p, VERT_RESULT_COL0 );
+ res1 = register_output( p, VERT_RESULT_COL1 );
+ }
+ else {
+ mask0 = 0;
+ mask1 = WRITEMASK_XYZ;
+ res0 = _col0;
+ res1 = register_output( p, VERT_RESULT_COL0 );
+ }
+ }
+ else {
+ mask0 = 0;
+ mask1 = 0;
+ res0 = _col0;
+ res1 = _col1;
+ }
+
+ if (!is_undef(att)) {
+ /* light is attenuated by distance */
+ emit_op1(p, OPCODE_LIT, lit, 0, dots);
+ emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
+ emit_op3(p, OPCODE_MAD, _col0, 0, swizzle1(lit,X), ambient, _col0);
+ }
+ else if (!p->state->material_shininess_is_zero) {
+ /* there's a non-zero specular term */
+ emit_op1(p, OPCODE_LIT, lit, 0, dots);
+ emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+ }
+ else {
+ /* no attenutation, no specular */
+ emit_degenerate_lit(p, lit, dots);
+ emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+ }
+
+ emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _col0);
+ emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _col1);
+
+ release_temp(p, ambient);
+ release_temp(p, diffuse);
+ release_temp(p, specular);
+ }
+
+ /* Back face lighting:
+ */
+ if (twoside) {
+ struct ureg ambient = get_lightprod(p, i, 1, STATE_AMBIENT);
+ struct ureg diffuse = get_lightprod(p, i, 1, STATE_DIFFUSE);
+ struct ureg specular = get_lightprod(p, i, 1, STATE_SPECULAR);
+ struct ureg res0, res1;
+ GLuint mask0, mask1;
+
+ if (count == nr_lights) {
+ if (separate) {
+ mask0 = WRITEMASK_XYZ;
+ mask1 = WRITEMASK_XYZ;
+ res0 = register_output( p, VERT_RESULT_BFC0 );
+ res1 = register_output( p, VERT_RESULT_BFC1 );
+ }
+ else {
+ mask0 = 0;
+ mask1 = WRITEMASK_XYZ;
+ res0 = _bfc0;
+ res1 = register_output( p, VERT_RESULT_BFC0 );
+ }
+ }
+ else {
+ res0 = _bfc0;
+ res1 = _bfc1;
+ mask0 = 0;
+ mask1 = 0;
+ }
+
+ /* For the back face we need to negate the X and Y component
+ * dot products. dots.Z has the negated back-face specular
+ * exponent. We swizzle that into the W position. This
+ * negation makes the back-face specular term positive again.
+ */
+ dots = negate(swizzle(dots,X,Y,W,Z));
+
+ if (!is_undef(att)) {
+ emit_op1(p, OPCODE_LIT, lit, 0, dots);
+ emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
+ emit_op3(p, OPCODE_MAD, _bfc0, 0, swizzle1(lit,X), ambient, _bfc0);
+ }
+ else if (!p->state->material_shininess_is_zero) {
+ emit_op1(p, OPCODE_LIT, lit, 0, dots);
+ emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); /**/
+ }
+ else {
+ emit_degenerate_lit(p, lit, dots);
+ emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0);
+ }
+
+ emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0);
+ emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1);
+ /* restore dots to its original state for subsequent lights
+ * by negating and swizzling again.
+ */
+ dots = negate(swizzle(dots,X,Y,W,Z));
+
+ release_temp(p, ambient);
+ release_temp(p, diffuse);
+ release_temp(p, specular);
+ }
+
+ release_temp(p, half);
+ release_temp(p, VPpli);
+ release_temp(p, att);
+ }
+ }
+
+ release_temps( p );
+}
+
+
+static void build_fog( struct tnl_program *p )
+{
+ struct ureg fog = register_output(p, VERT_RESULT_FOGC);
+ struct ureg input;
+
+ if (p->state->fog_source_is_depth) {
+ input = get_eye_position_z(p);
+ }
+ else {
+ input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X);
+ }
+
+ /* result.fog = {abs(f),0,0,1}; */
+ emit_op1(p, OPCODE_ABS, fog, WRITEMASK_X, input);
+ emit_op1(p, OPCODE_MOV, fog, WRITEMASK_YZW, get_identity_param(p));
+}
+
+
+static void build_reflect_texgen( struct tnl_program *p,
+ struct ureg dest,
+ GLuint writemask )
+{
+ struct ureg normal = get_transformed_normal(p);
+ struct ureg eye_hat = get_eye_position_normalized(p);
+ struct ureg tmp = get_temp(p);
+
+ /* n.u */
+ emit_op2(p, OPCODE_DP3, tmp, 0, normal, eye_hat);
+ /* 2n.u */
+ emit_op2(p, OPCODE_ADD, tmp, 0, tmp, tmp);
+ /* (-2n.u)n + u */
+ emit_op3(p, OPCODE_MAD, dest, writemask, negate(tmp), normal, eye_hat);
+
+ release_temp(p, tmp);
+}
+
+
+static void build_sphere_texgen( struct tnl_program *p,
+ struct ureg dest,
+ GLuint writemask )
+{
+ struct ureg normal = get_transformed_normal(p);
+ struct ureg eye_hat = get_eye_position_normalized(p);
+ struct ureg tmp = get_temp(p);
+ struct ureg half = register_scalar_const(p, .5);
+ struct ureg r = get_temp(p);
+ struct ureg inv_m = get_temp(p);
+ struct ureg id = get_identity_param(p);
+
+ /* Could share the above calculations, but it would be
+ * a fairly odd state for someone to set (both sphere and
+ * reflection active for different texture coordinate
+ * components. Of course - if two texture units enable
+ * reflect and/or sphere, things start to tilt in favour
+ * of seperating this out:
+ */
+
+ /* n.u */
+ emit_op2(p, OPCODE_DP3, tmp, 0, normal, eye_hat);
+ /* 2n.u */
+ emit_op2(p, OPCODE_ADD, tmp, 0, tmp, tmp);
+ /* (-2n.u)n + u */
+ emit_op3(p, OPCODE_MAD, r, 0, negate(tmp), normal, eye_hat);
+ /* r + 0,0,1 */
+ emit_op2(p, OPCODE_ADD, tmp, 0, r, swizzle(id,X,Y,W,Z));
+ /* rx^2 + ry^2 + (rz+1)^2 */
+ emit_op2(p, OPCODE_DP3, tmp, 0, tmp, tmp);
+ /* 2/m */
+ emit_op1(p, OPCODE_RSQ, tmp, 0, tmp);
+ /* 1/m */
+ emit_op2(p, OPCODE_MUL, inv_m, 0, tmp, half);
+ /* r/m + 1/2 */
+ emit_op3(p, OPCODE_MAD, dest, writemask, r, inv_m, half);
+
+ release_temp(p, tmp);
+ release_temp(p, r);
+ release_temp(p, inv_m);
+}
+
+
+static void build_texture_transform( struct tnl_program *p )
+{
+ GLuint i, j;
+
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+
+ if (!(p->state->fragprog_inputs_read & FRAG_BIT_TEX(i)))
+ continue;
+
+ if (p->state->unit[i].coord_replace)
+ continue;
+
+ if (p->state->unit[i].texgen_enabled ||
+ p->state->unit[i].texmat_enabled) {
+
+ GLuint texmat_enabled = p->state->unit[i].texmat_enabled;
+ struct ureg out = register_output(p, VERT_RESULT_TEX0 + i);
+ struct ureg out_texgen = undef;
+
+ if (p->state->unit[i].texgen_enabled) {
+ GLuint copy_mask = 0;
+ GLuint sphere_mask = 0;
+ GLuint reflect_mask = 0;
+ GLuint normal_mask = 0;
+ GLuint modes[4];
+
+ if (texmat_enabled)
+ out_texgen = get_temp(p);
+ else
+ out_texgen = out;
+
+ modes[0] = p->state->unit[i].texgen_mode0;
+ modes[1] = p->state->unit[i].texgen_mode1;
+ modes[2] = p->state->unit[i].texgen_mode2;
+ modes[3] = p->state->unit[i].texgen_mode3;
+
+ for (j = 0; j < 4; j++) {
+ switch (modes[j]) {
+ case TXG_OBJ_LINEAR: {
+ struct ureg obj = register_input(p, VERT_ATTRIB_POS);
+ struct ureg plane =
+ register_param3(p, STATE_TEXGEN, i,
+ STATE_TEXGEN_OBJECT_S + j);
+
+ emit_op2(p, OPCODE_DP4, out_texgen, WRITEMASK_X << j,
+ obj, plane );
+ break;
+ }
+ case TXG_EYE_LINEAR: {
+ struct ureg eye = get_eye_position(p);
+ struct ureg plane =
+ register_param3(p, STATE_TEXGEN, i,
+ STATE_TEXGEN_EYE_S + j);
+
+ emit_op2(p, OPCODE_DP4, out_texgen, WRITEMASK_X << j,
+ eye, plane );
+ break;
+ }
+ case TXG_SPHERE_MAP:
+ sphere_mask |= WRITEMASK_X << j;
+ break;
+ case TXG_REFLECTION_MAP:
+ reflect_mask |= WRITEMASK_X << j;
+ break;
+ case TXG_NORMAL_MAP:
+ normal_mask |= WRITEMASK_X << j;
+ break;
+ case TXG_NONE:
+ copy_mask |= WRITEMASK_X << j;
+ }
+ }
+
+ if (sphere_mask) {
+ build_sphere_texgen(p, out_texgen, sphere_mask);
+ }
+
+ if (reflect_mask) {
+ build_reflect_texgen(p, out_texgen, reflect_mask);
+ }
+
+ if (normal_mask) {
+ struct ureg normal = get_transformed_normal(p);
+ emit_op1(p, OPCODE_MOV, out_texgen, normal_mask, normal );
+ }
+
+ if (copy_mask) {
+ struct ureg in = register_input(p, VERT_ATTRIB_TEX0+i);
+ emit_op1(p, OPCODE_MOV, out_texgen, copy_mask, in );
+ }
+ }
+
+ if (texmat_enabled) {
+ struct ureg texmat[4];
+ struct ureg in = (!is_undef(out_texgen) ?
+ out_texgen :
+ register_input(p, VERT_ATTRIB_TEX0+i));
+ if (p->mvp_with_dp4) {
+ register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
+ 0, texmat );
+ emit_matrix_transform_vec4( p, out, texmat, in );
+ }
+ else {
+ register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3,
+ STATE_MATRIX_TRANSPOSE, texmat );
+ emit_transpose_matrix_transform_vec4( p, out, texmat, in );
+ }
+ }
+
+ release_temps(p);
+ }
+ else {
+ emit_passthrough(p, VERT_ATTRIB_TEX0+i, VERT_RESULT_TEX0+i);
+ }
+ }
+}
+
+
+/**
+ * Point size attenuation computation.
+ */
+static void build_atten_pointsize( struct tnl_program *p )
+{
+ struct ureg eye = get_eye_position_z(p);
+ struct ureg state_size = register_param2(p, STATE_INTERNAL, STATE_POINT_SIZE_CLAMPED);
+ struct ureg state_attenuation = register_param1(p, STATE_POINT_ATTENUATION);
+ struct ureg out = register_output(p, VERT_RESULT_PSIZ);
+ struct ureg ut = get_temp(p);
+
+ /* dist = |eyez| */
+ emit_op1(p, OPCODE_ABS, ut, WRITEMASK_Y, swizzle1(eye, Z));
+ /* p1 + dist * (p2 + dist * p3); */
+ emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y),
+ swizzle1(state_attenuation, Z), swizzle1(state_attenuation, Y));
+ emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y),
+ ut, swizzle1(state_attenuation, X));
+
+ /* 1 / sqrt(factor) */
+ emit_op1(p, OPCODE_RSQ, ut, WRITEMASK_X, ut );
+
+#if 0
+ /* out = pointSize / sqrt(factor) */
+ emit_op2(p, OPCODE_MUL, out, WRITEMASK_X, ut, state_size);
+#else
+ /* this is a good place to clamp the point size since there's likely
+ * no hardware registers to clamp point size at rasterization time.
+ */
+ emit_op2(p, OPCODE_MUL, ut, WRITEMASK_X, ut, state_size);
+ emit_op2(p, OPCODE_MAX, ut, WRITEMASK_X, ut, swizzle1(state_size, Y));
+ emit_op2(p, OPCODE_MIN, out, WRITEMASK_X, ut, swizzle1(state_size, Z));
+#endif
+
+ release_temp(p, ut);
+}
+
+
+/**
+ * Pass-though per-vertex point size, from user's point size array.
+ */
+static void build_array_pointsize( struct tnl_program *p )
+{
+ struct ureg in = register_input(p, VERT_ATTRIB_POINT_SIZE);
+ struct ureg out = register_output(p, VERT_RESULT_PSIZ);
+ emit_op1(p, OPCODE_MOV, out, WRITEMASK_X, in);
+}
+
+
+static void build_tnl_program( struct tnl_program *p )
+{
+ /* Emit the program, starting with modelviewproject:
+ */
+ build_hpos(p);
+
+ /* Lighting calculations:
+ */
+ if (p->state->fragprog_inputs_read & (FRAG_BIT_COL0|FRAG_BIT_COL1)) {
+ if (p->state->light_global_enabled)
+ build_lighting(p);
+ else {
+ if (p->state->fragprog_inputs_read & FRAG_BIT_COL0)
+ emit_passthrough(p, VERT_ATTRIB_COLOR0, VERT_RESULT_COL0);
+
+ if (p->state->fragprog_inputs_read & FRAG_BIT_COL1)
+ emit_passthrough(p, VERT_ATTRIB_COLOR1, VERT_RESULT_COL1);
+ }
+ }
+
+ if (p->state->fragprog_inputs_read & FRAG_BIT_FOGC)
+ build_fog(p);
+
+ if (p->state->fragprog_inputs_read & FRAG_BITS_TEX_ANY)
+ build_texture_transform(p);
+
+ if (p->state->point_attenuated)
+ build_atten_pointsize(p);
+ else if (p->state->point_array)
+ build_array_pointsize(p);
+
+ /* Finish up:
+ */
+ emit_op1(p, OPCODE_END, undef, 0, undef);
+
+ /* Disassemble:
+ */
+ if (DISASSEM) {
+ printf ("\n");
+ }
+}
+
+
+static void
+create_new_program( const struct state_key *key,
+ struct gl_vertex_program *program,
+ GLboolean mvp_with_dp4,
+ GLuint max_temps)
+{
+ struct tnl_program p;
+
+ memset(&p, 0, sizeof(p));
+ p.state = key;
+ p.program = program;
+ p.eye_position = undef;
+ p.eye_position_z = undef;
+ p.eye_position_normalized = undef;
+ p.transformed_normal = undef;
+ p.identity = undef;
+ p.temp_in_use = 0;
+ p.mvp_with_dp4 = mvp_with_dp4;
+
+ if (max_temps >= sizeof(int) * 8)
+ p.temp_reserved = 0;
+ else
+ p.temp_reserved = ~((1<<max_temps)-1);
+
+ /* Start by allocating 32 instructions.
+ * If we need more, we'll grow the instruction array as needed.
+ */
+ p.max_inst = 32;
+ p.program->Base.Instructions = _mesa_alloc_instructions(p.max_inst);
+ p.program->Base.String = NULL;
+ p.program->Base.NumInstructions =
+ p.program->Base.NumTemporaries =
+ p.program->Base.NumParameters =
+ p.program->Base.NumAttributes = p.program->Base.NumAddressRegs = 0;
+ p.program->Base.Parameters = _mesa_new_parameter_list();
+ p.program->Base.InputsRead = 0;
+ p.program->Base.OutputsWritten = 0;
+
+ build_tnl_program( &p );
+}
+
+
+/**
+ * Return a vertex program which implements the current fixed-function
+ * transform/lighting/texgen operations.
+ * XXX move this into core mesa (main/)
+ */
+struct gl_vertex_program *
+_mesa_get_fixed_func_vertex_program(struct gl_context *ctx)
+{
+ struct gl_vertex_program *prog;
+ struct state_key key;
+
+ /* Grab all the relevent state and put it in a single structure:
+ */
+ make_state_key(ctx, &key);
+
+ /* Look for an already-prepared program for this state:
+ */
+ prog = (struct gl_vertex_program *)
+ _mesa_search_program_cache(ctx->VertexProgram.Cache, &key, sizeof(key));
+
+ if (!prog) {
+ /* OK, we'll have to build a new one */
+ if (0)
+ printf("Build new TNL program\n");
+
+ prog = (struct gl_vertex_program *)
+ ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
+ if (!prog)
+ return NULL;
+
+ create_new_program( &key, prog,
+ ctx->mvp_with_dp4,
+ ctx->Const.VertexProgram.MaxTemps );
+
+#if 0
+ if (ctx->Driver.ProgramStringNotify)
+ ctx->Driver.ProgramStringNotify( ctx, GL_VERTEX_PROGRAM_ARB,
+ &prog->Base );
+#endif
+ _mesa_program_cache_insert(ctx, ctx->VertexProgram.Cache,
+ &key, sizeof(key), &prog->Base);
+ }
+
+ return prog;
+}
diff --git a/mesalib/src/mesa/main/nvprogram.c b/mesalib/src/mesa/main/nvprogram.c
index 6b20fdae6..7ff7645b7 100644
--- a/mesalib/src/mesa/main/nvprogram.c
+++ b/mesalib/src/mesa/main/nvprogram.c
@@ -1,920 +1,920 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.2
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file nvprogram.c
- * NVIDIA vertex/fragment program state management functions.
- * \author Brian Paul
- */
-
-/*
- * Regarding GL_NV_fragment/vertex_program, GL_NV_vertex_program1_1, etc:
- *
- * Portions of this software may use or implement intellectual
- * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
- * any and all warranties with respect to such intellectual property,
- * including any use thereof or modifications thereto.
- */
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/hash.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "main/mtypes.h"
-#include "main/nvprogram.h"
-#include "program/arbprogparse.h"
-#include "program/nvfragparse.h"
-#include "program/nvvertparse.h"
-#include "program/program.h"
-#include "program/prog_instruction.h"
-#include "program/prog_parameter.h"
-
-
-
-/**
- * Execute a vertex state program.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params)
-{
- struct gl_vertex_program *vprog;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_VERTEX_STATE_PROGRAM_NV) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glExecuteProgramNV");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
- vprog = (struct gl_vertex_program *) _mesa_lookup_program(ctx, id);
-
- if (!vprog || vprog->Base.Target != GL_VERTEX_STATE_PROGRAM_NV) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glExecuteProgramNV");
- return;
- }
-
- _mesa_problem(ctx, "glExecuteProgramNV() not supported");
-}
-
-
-/**
- * Determine if a set of programs is resident in hardware.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-GLboolean GLAPIENTRY
-_mesa_AreProgramsResidentNV(GLsizei n, const GLuint *ids,
- GLboolean *residences)
-{
- GLint i, j;
- GLboolean allResident = GL_TRUE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV(n)");
- return GL_FALSE;
- }
-
- for (i = 0; i < n; i++) {
- const struct gl_program *prog;
- if (ids[i] == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
- return GL_FALSE;
- }
- prog = _mesa_lookup_program(ctx, ids[i]);
- if (!prog) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
- return GL_FALSE;
- }
- if (prog->Resident) {
- if (!allResident)
- residences[i] = GL_TRUE;
- }
- else {
- if (allResident) {
- allResident = GL_FALSE;
- for (j = 0; j < i; j++)
- residences[j] = GL_TRUE;
- }
- residences[i] = GL_FALSE;
- }
- }
-
- return allResident;
-}
-
-
-/**
- * Request that a set of programs be resident in hardware.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_RequestResidentProgramsNV(GLsizei n, const GLuint *ids)
-{
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(n)");
- return;
- }
-
- /* just error checking for now */
- for (i = 0; i < n; i++) {
- struct gl_program *prog;
-
- if (ids[i] == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
- return;
- }
-
- prog = _mesa_lookup_program(ctx, ids[i]);
- if (!prog) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
- return;
- }
-
- /* XXX this is really a hardware thing we should hook out */
- prog->Resident = GL_TRUE;
- }
-}
-
-
-/**
- * Get a program parameter register.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetProgramParameterfvNV(GLenum target, GLuint index,
- GLenum pname, GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target == GL_VERTEX_PROGRAM_NV) {
- if (pname == GL_PROGRAM_PARAMETER_NV) {
- if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
- COPY_4V(params, ctx->VertexProgram.Parameters[index]);
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramParameterfvNV(index)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(pname)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(target)");
- return;
- }
-}
-
-
-/**
- * Get a program parameter register.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetProgramParameterdvNV(GLenum target, GLuint index,
- GLenum pname, GLdouble *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target == GL_VERTEX_PROGRAM_NV) {
- if (pname == GL_PROGRAM_PARAMETER_NV) {
- if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
- COPY_4V(params, ctx->VertexProgram.Parameters[index]);
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramParameterdvNV(index)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(pname)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(target)");
- return;
- }
-}
-
-
-/**
- * Get a program attribute.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
-{
- struct gl_program *prog;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- prog = _mesa_lookup_program(ctx, id);
- if (!prog) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
- return;
- }
-
- switch (pname) {
- case GL_PROGRAM_TARGET_NV:
- *params = prog->Target;
- return;
- case GL_PROGRAM_LENGTH_NV:
- *params = prog->String ?(GLint) strlen((char *) prog->String) : 0;
- return;
- case GL_PROGRAM_RESIDENT_NV:
- *params = prog->Resident;
- return;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
- return;
- }
-}
-
-
-/**
- * Get the program source code.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
-{
- struct gl_program *prog;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname != GL_PROGRAM_STRING_NV) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
- return;
- }
-
- prog = _mesa_lookup_program(ctx, id);
- if (!prog) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
- return;
- }
-
- if (prog->String) {
- memcpy(program, prog->String, strlen((char *) prog->String));
- }
- else {
- program[0] = 0;
- }
-}
-
-
-/**
- * Get matrix tracking information.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetTrackMatrixivNV(GLenum target, GLuint address,
- GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target == GL_VERTEX_PROGRAM_NV
- && ctx->Extensions.NV_vertex_program) {
- GLuint i;
-
- if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)");
- return;
- }
-
- i = address / 4;
-
- switch (pname) {
- case GL_TRACK_MATRIX_NV:
- params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i];
- return;
- case GL_TRACK_MATRIX_TRANSFORM_NV:
- params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i];
- return;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
- return;
- }
-}
-
-
-/**
- * Get a vertex (or vertex array) attribute.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params)
-{
- const struct gl_client_array *array;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
- return;
- }
-
- array = &ctx->Array.ArrayObj->VertexAttrib[index];
-
- switch (pname) {
- case GL_ATTRIB_ARRAY_SIZE_NV:
- params[0] = array->Size;
- break;
- case GL_ATTRIB_ARRAY_STRIDE_NV:
- params[0] = array->Stride;
- break;
- case GL_ATTRIB_ARRAY_TYPE_NV:
- params[0] = array->Type;
- break;
- case GL_CURRENT_ATTRIB_NV:
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribdvNV(index == 0)");
- return;
- }
- FLUSH_CURRENT(ctx, 0);
- COPY_4V(params, ctx->Current.Attrib[index]);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
- return;
- }
-}
-
-/**
- * Get a vertex (or vertex array) attribute.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
-{
- const struct gl_client_array *array;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
- return;
- }
-
- array = &ctx->Array.ArrayObj->VertexAttrib[index];
-
- switch (pname) {
- case GL_ATTRIB_ARRAY_SIZE_NV:
- params[0] = (GLfloat) array->Size;
- break;
- case GL_ATTRIB_ARRAY_STRIDE_NV:
- params[0] = (GLfloat) array->Stride;
- break;
- case GL_ATTRIB_ARRAY_TYPE_NV:
- params[0] = (GLfloat) array->Type;
- break;
- case GL_CURRENT_ATTRIB_NV:
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribfvNV(index == 0)");
- return;
- }
- FLUSH_CURRENT(ctx, 0);
- COPY_4V(params, ctx->Current.Attrib[index]);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
- return;
- }
-}
-
-/**
- * Get a vertex (or vertex array) attribute.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
-{
- const struct gl_client_array *array;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
- return;
- }
-
- array = &ctx->Array.ArrayObj->VertexAttrib[index];
-
- switch (pname) {
- case GL_ATTRIB_ARRAY_SIZE_NV:
- params[0] = array->Size;
- break;
- case GL_ATTRIB_ARRAY_STRIDE_NV:
- params[0] = array->Stride;
- break;
- case GL_ATTRIB_ARRAY_TYPE_NV:
- params[0] = array->Type;
- break;
- case GL_CURRENT_ATTRIB_NV:
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribivNV(index == 0)");
- return;
- }
- FLUSH_CURRENT(ctx, 0);
- params[0] = (GLint) ctx->Current.Attrib[index][0];
- params[1] = (GLint) ctx->Current.Attrib[index][1];
- params[2] = (GLint) ctx->Current.Attrib[index][2];
- params[3] = (GLint) ctx->Current.Attrib[index][3];
- break;
- case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
- params[0] = array->BufferObj->Name;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
- return;
- }
-}
-
-
-/**
- * Get a vertex array attribute pointer.
- * \note Not compiled into display lists.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)");
- return;
- }
-
- if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)");
- return;
- }
-
- *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
-}
-
-void
-_mesa_emit_nv_temp_initialization(struct gl_context *ctx,
- struct gl_program *program)
-{
- struct prog_instruction *inst;
- GLuint i;
- struct gl_shader_compiler_options* options =
- &ctx->ShaderCompilerOptions[_mesa_program_target_to_index(program->Target)];
-
- if (!options->EmitNVTempInitialization)
- return;
-
- /* We'll swizzle up a zero temporary so we can use it for the
- * ARL.
- */
- if (program->NumTemporaries == 0)
- program->NumTemporaries = 1;
-
- _mesa_insert_instructions(program, 0, program->NumTemporaries + 1);
-
- for (i = 0; i < program->NumTemporaries; i++) {
- struct prog_instruction *inst = &program->Instructions[i];
-
- inst->Opcode = OPCODE_SWZ;
- inst->DstReg.File = PROGRAM_TEMPORARY;
- inst->DstReg.Index = i;
- inst->DstReg.WriteMask = WRITEMASK_XYZW;
- inst->SrcReg[0].File = PROGRAM_TEMPORARY;
- inst->SrcReg[0].Index = 0;
- inst->SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO,
- SWIZZLE_ZERO,
- SWIZZLE_ZERO,
- SWIZZLE_ZERO);
- }
-
- inst = &program->Instructions[i];
- inst->Opcode = OPCODE_ARL;
- inst->DstReg.File = PROGRAM_ADDRESS;
- inst->DstReg.Index = 0;
- inst->DstReg.WriteMask = WRITEMASK_XYZW;
- inst->SrcReg[0].File = PROGRAM_TEMPORARY;
- inst->SrcReg[0].Index = 0;
- inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
-
- if (program->NumAddressRegs == 0)
- program->NumAddressRegs = 1;
-}
-
-void
-_mesa_setup_nv_temporary_count(struct gl_context *ctx, struct gl_program *program)
-{
- GLuint i;
-
- program->NumTemporaries = 0;
- for (i = 0; i < program->NumInstructions; i++) {
- struct prog_instruction *inst = &program->Instructions[i];
-
- if (inst->DstReg.File == PROGRAM_TEMPORARY) {
- program->NumTemporaries = MAX2(program->NumTemporaries,
- inst->DstReg.Index + 1);
- }
- if (inst->SrcReg[0].File == PROGRAM_TEMPORARY) {
- program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
- inst->SrcReg[0].Index + 1);
- }
- if (inst->SrcReg[1].File == PROGRAM_TEMPORARY) {
- program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
- inst->SrcReg[1].Index + 1);
- }
- if (inst->SrcReg[2].File == PROGRAM_TEMPORARY) {
- program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
- inst->SrcReg[2].Index + 1);
- }
- }
-}
-
-/**
- * Load/parse/compile a program.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
- const GLubyte *program)
-{
- struct gl_program *prog;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.NV_vertex_program
- && !ctx->Extensions.NV_fragment_program) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV()");
- return;
- }
-
- if (id == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)");
- return;
- }
-
- if (len < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(len)");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
- prog = _mesa_lookup_program(ctx, id);
-
- if (prog && prog->Target != 0 && prog->Target != target) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)");
- return;
- }
-
- if ((target == GL_VERTEX_PROGRAM_NV ||
- target == GL_VERTEX_STATE_PROGRAM_NV)
- && ctx->Extensions.NV_vertex_program) {
- struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
- if (!vprog || prog == &_mesa_DummyProgram) {
- vprog = (struct gl_vertex_program *)
- ctx->Driver.NewProgram(ctx, target, id);
- if (!vprog) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return;
- }
- _mesa_HashInsert(ctx->Shared->Programs, id, vprog);
- }
-
- if (ctx->Extensions.ARB_vertex_program
- && (strncmp((char *) program, "!!ARB", 5) == 0)) {
- _mesa_parse_arb_vertex_program(ctx, target, program, len, vprog);
- } else {
- _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog);
- }
- }
- else if (target == GL_FRAGMENT_PROGRAM_NV
- && ctx->Extensions.NV_fragment_program) {
- struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
- if (!fprog || prog == &_mesa_DummyProgram) {
- fprog = (struct gl_fragment_program *)
- ctx->Driver.NewProgram(ctx, target, id);
- if (!fprog) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return;
- }
- _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
- }
- _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog);
- }
- else if (target == GL_FRAGMENT_PROGRAM_ARB
- && ctx->Extensions.ARB_fragment_program) {
- struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
- if (!fprog || prog == &_mesa_DummyProgram) {
- fprog = (struct gl_fragment_program *)
- ctx->Driver.NewProgram(ctx, target, id);
- if (!fprog) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return;
- }
- _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
- }
- _mesa_parse_arb_fragment_program(ctx, target, program, len, fprog);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)");
- }
-}
-
-
-
-/**
- * Set a sequence of program parameter registers.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameters4dvNV(GLenum target, GLuint index,
- GLsizei num, const GLdouble *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
- GLint i;
- if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV");
- return;
- }
- for (i = 0; i < num; i++) {
- ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0];
- ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1];
- ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2];
- ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3];
- params += 4;
- };
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV");
- return;
- }
-}
-
-
-/**
- * Set a sequence of program parameter registers.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameters4fvNV(GLenum target, GLuint index,
- GLsizei num, const GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
- GLint i;
- if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV");
- return;
- }
- for (i = 0; i < num; i++) {
- COPY_4V(ctx->VertexProgram.Parameters[index + i], params);
- params += 4;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV");
- return;
- }
-}
-
-
-
-/**
- * Setup tracking of matrices into program parameter registers.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_TrackMatrixNV(GLenum target, GLuint address,
- GLenum matrix, GLenum transform)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
- if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
- if (address & 0x3) {
- /* addr must be multiple of four */
- _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)");
- return;
- }
-
- switch (matrix) {
- case GL_NONE:
- case GL_MODELVIEW:
- case GL_PROJECTION:
- case GL_TEXTURE:
- case GL_COLOR:
- case GL_MODELVIEW_PROJECTION_NV:
- case GL_MATRIX0_NV:
- case GL_MATRIX1_NV:
- case GL_MATRIX2_NV:
- case GL_MATRIX3_NV:
- case GL_MATRIX4_NV:
- case GL_MATRIX5_NV:
- case GL_MATRIX6_NV:
- case GL_MATRIX7_NV:
- /* OK, fallthrough */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)");
- return;
- }
-
- switch (transform) {
- case GL_IDENTITY_NV:
- case GL_INVERSE_NV:
- case GL_TRANSPOSE_NV:
- case GL_INVERSE_TRANSPOSE_NV:
- /* OK, fallthrough */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)");
- return;
- }
-
- ctx->VertexProgram.TrackMatrix[address / 4] = matrix;
- ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)");
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
- GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
- struct gl_program *prog;
- struct gl_fragment_program *fragProg;
- GLfloat *v;
-
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
-
- prog = _mesa_lookup_program(ctx, id);
- if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV");
- return;
- }
-
- if (len <= 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(len)");
- return;
- }
-
- fragProg = (struct gl_fragment_program *) prog;
- v = _mesa_lookup_parameter_value(fragProg->Base.Parameters, len,
- (char *) name);
- if (v) {
- v[0] = x;
- v[1] = y;
- v[2] = z;
- v[3] = w;
- return;
- }
-
- _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(name)");
-}
-
-
-void GLAPIENTRY
-_mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name,
- const float v[])
-{
- _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]);
-}
-
-
-void GLAPIENTRY
-_mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name,
- GLdouble x, GLdouble y, GLdouble z, GLdouble w)
-{
- _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y,
- (GLfloat)z, (GLfloat)w);
-}
-
-
-void GLAPIENTRY
-_mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name,
- const double v[])
-{
- _mesa_ProgramNamedParameter4fNV(id, len, name,
- (GLfloat)v[0], (GLfloat)v[1],
- (GLfloat)v[2], (GLfloat)v[3]);
-}
-
-
-void GLAPIENTRY
-_mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name,
- GLfloat *params)
-{
- struct gl_program *prog;
- struct gl_fragment_program *fragProg;
- const GLfloat *v;
-
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- prog = _mesa_lookup_program(ctx, id);
- if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV");
- return;
- }
-
- if (len <= 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
- return;
- }
-
- fragProg = (struct gl_fragment_program *) prog;
- v = _mesa_lookup_parameter_value(fragProg->Base.Parameters,
- len, (char *) name);
- if (v) {
- params[0] = v[0];
- params[1] = v[1];
- params[2] = v[2];
- params[3] = v[3];
- return;
- }
-
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
-}
-
-
-void GLAPIENTRY
-_mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name,
- GLdouble *params)
-{
- GLfloat floatParams[4];
- _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams);
- COPY_4V(params, floatParams);
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file nvprogram.c
+ * NVIDIA vertex/fragment program state management functions.
+ * \author Brian Paul
+ */
+
+/*
+ * Regarding GL_NV_fragment/vertex_program, GL_NV_vertex_program1_1, etc:
+ *
+ * Portions of this software may use or implement intellectual
+ * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
+ * any and all warranties with respect to such intellectual property,
+ * including any use thereof or modifications thereto.
+ */
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "main/nvprogram.h"
+#include "program/arbprogparse.h"
+#include "program/nvfragparse.h"
+#include "program/nvvertparse.h"
+#include "program/program.h"
+#include "program/prog_instruction.h"
+#include "program/prog_parameter.h"
+
+
+
+/**
+ * Execute a vertex state program.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params)
+{
+ struct gl_vertex_program *vprog;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_VERTEX_STATE_PROGRAM_NV) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glExecuteProgramNV");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+
+ vprog = (struct gl_vertex_program *) _mesa_lookup_program(ctx, id);
+
+ if (!vprog || vprog->Base.Target != GL_VERTEX_STATE_PROGRAM_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glExecuteProgramNV");
+ return;
+ }
+
+ _mesa_problem(ctx, "glExecuteProgramNV() not supported");
+}
+
+
+/**
+ * Determine if a set of programs is resident in hardware.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+GLboolean GLAPIENTRY
+_mesa_AreProgramsResidentNV(GLsizei n, const GLuint *ids,
+ GLboolean *residences)
+{
+ GLint i, j;
+ GLboolean allResident = GL_TRUE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV(n)");
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < n; i++) {
+ const struct gl_program *prog;
+ if (ids[i] == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
+ return GL_FALSE;
+ }
+ prog = _mesa_lookup_program(ctx, ids[i]);
+ if (!prog) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
+ return GL_FALSE;
+ }
+ if (prog->Resident) {
+ if (!allResident)
+ residences[i] = GL_TRUE;
+ }
+ else {
+ if (allResident) {
+ allResident = GL_FALSE;
+ for (j = 0; j < i; j++)
+ residences[j] = GL_TRUE;
+ }
+ residences[i] = GL_FALSE;
+ }
+ }
+
+ return allResident;
+}
+
+
+/**
+ * Request that a set of programs be resident in hardware.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_RequestResidentProgramsNV(GLsizei n, const GLuint *ids)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(n)");
+ return;
+ }
+
+ /* just error checking for now */
+ for (i = 0; i < n; i++) {
+ struct gl_program *prog;
+
+ if (ids[i] == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
+ return;
+ }
+
+ prog = _mesa_lookup_program(ctx, ids[i]);
+ if (!prog) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
+ return;
+ }
+
+ /* XXX this is really a hardware thing we should hook out */
+ prog->Resident = GL_TRUE;
+ }
+}
+
+
+/**
+ * Get a program parameter register.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetProgramParameterfvNV(GLenum target, GLuint index,
+ GLenum pname, GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_NV) {
+ if (pname == GL_PROGRAM_PARAMETER_NV) {
+ if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
+ COPY_4V(params, ctx->VertexProgram.Parameters[index]);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramParameterfvNV(index)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(pname)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(target)");
+ return;
+ }
+}
+
+
+/**
+ * Get a program parameter register.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetProgramParameterdvNV(GLenum target, GLuint index,
+ GLenum pname, GLdouble *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_NV) {
+ if (pname == GL_PROGRAM_PARAMETER_NV) {
+ if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
+ COPY_4V(params, ctx->VertexProgram.Parameters[index]);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramParameterdvNV(index)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(pname)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(target)");
+ return;
+ }
+}
+
+
+/**
+ * Get a program attribute.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
+{
+ struct gl_program *prog;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (!prog) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
+ return;
+ }
+
+ switch (pname) {
+ case GL_PROGRAM_TARGET_NV:
+ *params = prog->Target;
+ return;
+ case GL_PROGRAM_LENGTH_NV:
+ *params = prog->String ?(GLint) strlen((char *) prog->String) : 0;
+ return;
+ case GL_PROGRAM_RESIDENT_NV:
+ *params = prog->Resident;
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
+ return;
+ }
+}
+
+
+/**
+ * Get the program source code.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
+{
+ struct gl_program *prog;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname != GL_PROGRAM_STRING_NV) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
+ return;
+ }
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (!prog) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
+ return;
+ }
+
+ if (prog->String) {
+ memcpy(program, prog->String, strlen((char *) prog->String));
+ }
+ else {
+ program[0] = 0;
+ }
+}
+
+
+/**
+ * Get matrix tracking information.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetTrackMatrixivNV(GLenum target, GLuint address,
+ GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_NV
+ && ctx->Extensions.NV_vertex_program) {
+ GLuint i;
+
+ if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)");
+ return;
+ }
+
+ i = address / 4;
+
+ switch (pname) {
+ case GL_TRACK_MATRIX_NV:
+ params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i];
+ return;
+ case GL_TRACK_MATRIX_TRANSFORM_NV:
+ params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i];
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
+ return;
+ }
+}
+
+
+/**
+ * Get a vertex (or vertex array) attribute.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params)
+{
+ const struct gl_client_array *array;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
+ return;
+ }
+
+ array = &ctx->Array.ArrayObj->VertexAttrib[index];
+
+ switch (pname) {
+ case GL_ATTRIB_ARRAY_SIZE_NV:
+ params[0] = array->Size;
+ break;
+ case GL_ATTRIB_ARRAY_STRIDE_NV:
+ params[0] = array->Stride;
+ break;
+ case GL_ATTRIB_ARRAY_TYPE_NV:
+ params[0] = array->Type;
+ break;
+ case GL_CURRENT_ATTRIB_NV:
+ if (index == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexAttribdvNV(index == 0)");
+ return;
+ }
+ FLUSH_CURRENT(ctx, 0);
+ COPY_4V(params, ctx->Current.Attrib[index]);
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
+ return;
+ }
+}
+
+/**
+ * Get a vertex (or vertex array) attribute.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
+{
+ const struct gl_client_array *array;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
+ return;
+ }
+
+ array = &ctx->Array.ArrayObj->VertexAttrib[index];
+
+ switch (pname) {
+ case GL_ATTRIB_ARRAY_SIZE_NV:
+ params[0] = (GLfloat) array->Size;
+ break;
+ case GL_ATTRIB_ARRAY_STRIDE_NV:
+ params[0] = (GLfloat) array->Stride;
+ break;
+ case GL_ATTRIB_ARRAY_TYPE_NV:
+ params[0] = (GLfloat) array->Type;
+ break;
+ case GL_CURRENT_ATTRIB_NV:
+ if (index == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexAttribfvNV(index == 0)");
+ return;
+ }
+ FLUSH_CURRENT(ctx, 0);
+ COPY_4V(params, ctx->Current.Attrib[index]);
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
+ return;
+ }
+}
+
+/**
+ * Get a vertex (or vertex array) attribute.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
+{
+ const struct gl_client_array *array;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
+ return;
+ }
+
+ array = &ctx->Array.ArrayObj->VertexAttrib[index];
+
+ switch (pname) {
+ case GL_ATTRIB_ARRAY_SIZE_NV:
+ params[0] = array->Size;
+ break;
+ case GL_ATTRIB_ARRAY_STRIDE_NV:
+ params[0] = array->Stride;
+ break;
+ case GL_ATTRIB_ARRAY_TYPE_NV:
+ params[0] = array->Type;
+ break;
+ case GL_CURRENT_ATTRIB_NV:
+ if (index == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexAttribivNV(index == 0)");
+ return;
+ }
+ FLUSH_CURRENT(ctx, 0);
+ params[0] = (GLint) ctx->Current.Attrib[index][0];
+ params[1] = (GLint) ctx->Current.Attrib[index][1];
+ params[2] = (GLint) ctx->Current.Attrib[index][2];
+ params[3] = (GLint) ctx->Current.Attrib[index][3];
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
+ params[0] = array->BufferObj->Name;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
+ return;
+ }
+}
+
+
+/**
+ * Get a vertex array attribute pointer.
+ * \note Not compiled into display lists.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)");
+ return;
+ }
+
+ if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)");
+ return;
+ }
+
+ *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
+}
+
+void
+_mesa_emit_nv_temp_initialization(struct gl_context *ctx,
+ struct gl_program *program)
+{
+ struct prog_instruction *inst;
+ GLuint i;
+ struct gl_shader_compiler_options* options =
+ &ctx->ShaderCompilerOptions[_mesa_program_target_to_index(program->Target)];
+
+ if (!options->EmitNVTempInitialization)
+ return;
+
+ /* We'll swizzle up a zero temporary so we can use it for the
+ * ARL.
+ */
+ if (program->NumTemporaries == 0)
+ program->NumTemporaries = 1;
+
+ _mesa_insert_instructions(program, 0, program->NumTemporaries + 1);
+
+ for (i = 0; i < program->NumTemporaries; i++) {
+ struct prog_instruction *inst = &program->Instructions[i];
+
+ inst->Opcode = OPCODE_SWZ;
+ inst->DstReg.File = PROGRAM_TEMPORARY;
+ inst->DstReg.Index = i;
+ inst->DstReg.WriteMask = WRITEMASK_XYZW;
+ inst->SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst->SrcReg[0].Index = 0;
+ inst->SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO,
+ SWIZZLE_ZERO,
+ SWIZZLE_ZERO,
+ SWIZZLE_ZERO);
+ }
+
+ inst = &program->Instructions[i];
+ inst->Opcode = OPCODE_ARL;
+ inst->DstReg.File = PROGRAM_ADDRESS;
+ inst->DstReg.Index = 0;
+ inst->DstReg.WriteMask = WRITEMASK_XYZW;
+ inst->SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst->SrcReg[0].Index = 0;
+ inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
+
+ if (program->NumAddressRegs == 0)
+ program->NumAddressRegs = 1;
+}
+
+void
+_mesa_setup_nv_temporary_count(struct gl_context *ctx, struct gl_program *program)
+{
+ GLuint i;
+
+ program->NumTemporaries = 0;
+ for (i = 0; i < program->NumInstructions; i++) {
+ struct prog_instruction *inst = &program->Instructions[i];
+
+ if (inst->DstReg.File == PROGRAM_TEMPORARY) {
+ program->NumTemporaries = MAX2(program->NumTemporaries,
+ inst->DstReg.Index + 1);
+ }
+ if (inst->SrcReg[0].File == PROGRAM_TEMPORARY) {
+ program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
+ inst->SrcReg[0].Index + 1);
+ }
+ if (inst->SrcReg[1].File == PROGRAM_TEMPORARY) {
+ program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
+ inst->SrcReg[1].Index + 1);
+ }
+ if (inst->SrcReg[2].File == PROGRAM_TEMPORARY) {
+ program->NumTemporaries = MAX2((GLint)program->NumTemporaries,
+ inst->SrcReg[2].Index + 1);
+ }
+ }
+}
+
+/**
+ * Load/parse/compile a program.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
+ const GLubyte *program)
+{
+ struct gl_program *prog;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.NV_vertex_program
+ && !ctx->Extensions.NV_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV()");
+ return;
+ }
+
+ if (id == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)");
+ return;
+ }
+
+ if (len < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(len)");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+
+ prog = _mesa_lookup_program(ctx, id);
+
+ if (prog && prog->Target != 0 && prog->Target != target) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)");
+ return;
+ }
+
+ if ((target == GL_VERTEX_PROGRAM_NV ||
+ target == GL_VERTEX_STATE_PROGRAM_NV)
+ && ctx->Extensions.NV_vertex_program) {
+ struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
+ if (!vprog || prog == &_mesa_DummyProgram) {
+ vprog = (struct gl_vertex_program *)
+ ctx->Driver.NewProgram(ctx, target, id);
+ if (!vprog) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->Programs, id, vprog);
+ }
+
+ if (ctx->Extensions.ARB_vertex_program
+ && (strncmp((char *) program, "!!ARB", 5) == 0)) {
+ _mesa_parse_arb_vertex_program(ctx, target, program, len, vprog);
+ } else {
+ _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog);
+ }
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_NV
+ && ctx->Extensions.NV_fragment_program) {
+ struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
+ if (!fprog || prog == &_mesa_DummyProgram) {
+ fprog = (struct gl_fragment_program *)
+ ctx->Driver.NewProgram(ctx, target, id);
+ if (!fprog) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
+ }
+ _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog);
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
+ if (!fprog || prog == &_mesa_DummyProgram) {
+ fprog = (struct gl_fragment_program *)
+ ctx->Driver.NewProgram(ctx, target, id);
+ if (!fprog) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
+ }
+ _mesa_parse_arb_fragment_program(ctx, target, program, len, fprog);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)");
+ }
+}
+
+
+
+/**
+ * Set a sequence of program parameter registers.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_ProgramParameters4dvNV(GLenum target, GLuint index,
+ GLsizei num, const GLdouble *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
+ GLint i;
+ if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV");
+ return;
+ }
+ for (i = 0; i < num; i++) {
+ ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0];
+ ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1];
+ ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2];
+ ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3];
+ params += 4;
+ };
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV");
+ return;
+ }
+}
+
+
+/**
+ * Set a sequence of program parameter registers.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_ProgramParameters4fvNV(GLenum target, GLuint index,
+ GLsizei num, const GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
+ GLint i;
+ if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV");
+ return;
+ }
+ for (i = 0; i < num; i++) {
+ COPY_4V(ctx->VertexProgram.Parameters[index + i], params);
+ params += 4;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV");
+ return;
+ }
+}
+
+
+
+/**
+ * Setup tracking of matrices into program parameter registers.
+ * \note Called from the GL API dispatcher.
+ */
+void GLAPIENTRY
+_mesa_TrackMatrixNV(GLenum target, GLuint address,
+ GLenum matrix, GLenum transform)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+
+ if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
+ if (address & 0x3) {
+ /* addr must be multiple of four */
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)");
+ return;
+ }
+
+ switch (matrix) {
+ case GL_NONE:
+ case GL_MODELVIEW:
+ case GL_PROJECTION:
+ case GL_TEXTURE:
+ case GL_COLOR:
+ case GL_MODELVIEW_PROJECTION_NV:
+ case GL_MATRIX0_NV:
+ case GL_MATRIX1_NV:
+ case GL_MATRIX2_NV:
+ case GL_MATRIX3_NV:
+ case GL_MATRIX4_NV:
+ case GL_MATRIX5_NV:
+ case GL_MATRIX6_NV:
+ case GL_MATRIX7_NV:
+ /* OK, fallthrough */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)");
+ return;
+ }
+
+ switch (transform) {
+ case GL_IDENTITY_NV:
+ case GL_INVERSE_NV:
+ case GL_TRANSPOSE_NV:
+ case GL_INVERSE_TRANSPOSE_NV:
+ /* OK, fallthrough */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)");
+ return;
+ }
+
+ ctx->VertexProgram.TrackMatrix[address / 4] = matrix;
+ ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
+ GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ struct gl_program *prog;
+ struct gl_fragment_program *fragProg;
+ gl_constant_value *v;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV");
+ return;
+ }
+
+ if (len <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(len)");
+ return;
+ }
+
+ fragProg = (struct gl_fragment_program *) prog;
+ v = _mesa_lookup_parameter_value(fragProg->Base.Parameters, len,
+ (char *) name);
+ if (v) {
+ v[0].f = x;
+ v[1].f = y;
+ v[2].f = z;
+ v[3].f = w;
+ return;
+ }
+
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(name)");
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name,
+ const float v[])
+{
+ _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]);
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name,
+ GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+ _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y,
+ (GLfloat)z, (GLfloat)w);
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name,
+ const double v[])
+{
+ _mesa_ProgramNamedParameter4fNV(id, len, name,
+ (GLfloat)v[0], (GLfloat)v[1],
+ (GLfloat)v[2], (GLfloat)v[3]);
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name,
+ GLfloat *params)
+{
+ struct gl_program *prog;
+ struct gl_fragment_program *fragProg;
+ const gl_constant_value *v;
+
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV");
+ return;
+ }
+
+ if (len <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
+ return;
+ }
+
+ fragProg = (struct gl_fragment_program *) prog;
+ v = _mesa_lookup_parameter_value(fragProg->Base.Parameters,
+ len, (char *) name);
+ if (v) {
+ params[0] = v[0].f;
+ params[1] = v[1].f;
+ params[2] = v[2].f;
+ params[3] = v[3].f;
+ return;
+ }
+
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name,
+ GLdouble *params)
+{
+ GLfloat floatParams[4];
+ _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams);
+ COPY_4V(params, floatParams);
+}
diff --git a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
index c8bf082a1..48bbd374e 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
+++ b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
@@ -181,7 +181,7 @@ static void TAG(encode_rgtc_chan)(TYPE *blkaddr, TYPE srccolors[4][4],
fprintf(stderr, "%d ", alphaenc1[i]);
}
fprintf(stderr, "cutVals ");
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 7; i++) {
fprintf(stderr, "%d ", acutValues[i]);
}
fprintf(stderr, "srcVals ");
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c
index 3021716a0..078a43ab1 100644
--- a/mesalib/src/mesa/main/texobj.c
+++ b/mesalib/src/mesa/main/texobj.c
@@ -842,7 +842,7 @@ _mesa_GenTextures( GLsizei n, GLuint *textures )
struct gl_texture_object *texObj;
GLuint name = first + i;
GLenum target = 0;
- texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target);
+ texObj = ctx->Driver.NewTextureObject(ctx, name, target);
if (!texObj) {
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures");
@@ -1066,7 +1066,7 @@ _mesa_BindTexture( GLenum target, GLuint texName )
}
else {
/* if this is a new texture id, allocate a texture object now */
- newTexObj = (*ctx->Driver.NewTextureObject)(ctx, texName, target);
+ newTexObj = ctx->Driver.NewTextureObject(ctx, texName, target);
if (!newTexObj) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
return;
@@ -1108,7 +1108,7 @@ _mesa_BindTexture( GLenum target, GLuint texName )
/* Pass BindTexture call to device driver */
if (ctx->Driver.BindTexture)
- (*ctx->Driver.BindTexture)( ctx, target, newTexObj );
+ ctx->Driver.BindTexture(ctx, target, newTexObj);
}
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 134f15346..bbbb306b2 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -994,28 +994,21 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = 0;
break;
case GL_TEXTURE_DEPTH_SIZE_ARB:
- if (ctx->Extensions.ARB_depth_texture)
- *params = _mesa_get_format_bits(texFormat, pname);
- else
+ if (!ctx->Extensions.ARB_depth_texture)
goto invalid_pname;
+ *params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_STENCIL_SIZE_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil ||
- ctx->Extensions.ARB_framebuffer_object) {
- *params = _mesa_get_format_bits(texFormat, pname);
- }
- else {
+ if (!ctx->Extensions.EXT_packed_depth_stencil &&
+ !ctx->Extensions.ARB_framebuffer_object)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_SHARED_SIZE:
- if (ctx->VersionMajor >= 3 ||
- ctx->Extensions.EXT_texture_shared_exponent) {
- *params = texFormat == MESA_FORMAT_RGB9_E5_FLOAT ? 5 : 0;
- }
- else {
+ if (ctx->VersionMajor < 3 &&
+ !ctx->Extensions.EXT_texture_shared_exponent)
goto invalid_pname;
- }
+ *params = texFormat == MESA_FORMAT_RGB9_E5_FLOAT ? 5 : 0;
break;
/* GL_ARB_texture_compression */
@@ -1036,67 +1029,46 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
/* GL_ARB_texture_float */
case GL_TEXTURE_RED_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_GREEN_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_BLUE_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_ALPHA_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_LUMINANCE_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_INTENSITY_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
case GL_TEXTURE_DEPTH_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
+ if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
- }
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
break;
default:
@@ -1118,7 +1090,6 @@ void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
struct gl_texture_object *obj;
- GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -1144,17 +1115,15 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
*params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
break;
case GL_TEXTURE_BORDER_COLOR:
- if(ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
+ if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
_mesa_update_state_locked(ctx);
- if(ctx->Color._ClampFragmentColor)
- {
+ if (ctx->Color._ClampFragmentColor) {
params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
}
- else
- {
+ else {
params[0] = obj->Sampler.BorderColor.f[0];
params[1] = obj->Sampler.BorderColor.f[1];
params[2] = obj->Sampler.BorderColor.f[2];
@@ -1162,14 +1131,8 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
}
break;
case GL_TEXTURE_RESIDENT:
- {
- GLboolean resident;
- if (ctx->Driver.IsTextureResident)
- resident = ctx->Driver.IsTextureResident(ctx, obj);
- else
- resident = GL_TRUE;
- *params = ENUM_TO_FLOAT(resident);
- }
+ *params = ctx->Driver.IsTextureResident ?
+ ctx->Driver.IsTextureResident(ctx, obj) : 1.0F;
break;
case GL_TEXTURE_PRIORITY:
*params = obj->Priority;
@@ -1187,49 +1150,37 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
*params = (GLfloat) obj->MaxLevel;
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- *params = obj->Sampler.MaxAnisotropy;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.EXT_texture_filter_anisotropic)
+ goto invalid_pname;
+ *params = obj->Sampler.MaxAnisotropy;
break;
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- if (ctx->Extensions.ARB_shadow_ambient) {
- *params = obj->Sampler.CompareFailValue;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.ARB_shadow_ambient)
+ goto invalid_pname;
+ *params = obj->Sampler.CompareFailValue;
break;
case GL_GENERATE_MIPMAP_SGIS:
*params = (GLfloat) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->Sampler.CompareMode;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLfloat) obj->Sampler.CompareMode;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->Sampler.CompareFunc;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLfloat) obj->Sampler.CompareFunc;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLfloat) obj->Sampler.DepthMode;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.ARB_depth_texture)
+ goto invalid_pname;
+ *params = (GLfloat) obj->Sampler.DepthMode;
break;
case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = obj->Sampler.LodBias;
- }
- else
- error = GL_TRUE;
+ if (!ctx->Extensions.EXT_texture_lod_bias)
+ goto invalid_pname;
+ *params = obj->Sampler.LodBias;
break;
#if FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
@@ -1244,46 +1195,40 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
case GL_TEXTURE_SWIZZLE_G_EXT:
case GL_TEXTURE_SWIZZLE_B_EXT:
case GL_TEXTURE_SWIZZLE_A_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
- *params = (GLfloat) obj->Swizzle[comp];
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.EXT_texture_swizzle)
+ goto invalid_pname;
+ *params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
break;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
+ if (!ctx->Extensions.EXT_texture_swizzle) {
+ goto invalid_pname;
+ }
+ else {
GLuint comp;
for (comp = 0; comp < 4; comp++) {
params[comp] = (GLfloat) obj->Swizzle[comp];
}
}
- else {
- error = GL_TRUE;
- }
break;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
- if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
- *params = (GLfloat) obj->Sampler.CubeMapSeamless;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.AMD_seamless_cubemap_per_texture)
+ goto invalid_pname;
+ *params = (GLfloat) obj->Sampler.CubeMapSeamless;
break;
default:
- error = GL_TRUE;
- break;
+ goto invalid_pname;
}
- if (error)
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
- pname);
+ /* no error if we get here */
+ _mesa_unlock_texture(ctx, obj);
+ return;
+invalid_pname:
_mesa_unlock_texture(ctx, obj);
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", pname);
}
@@ -1291,13 +1236,12 @@ void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
struct gl_texture_object *obj;
- GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- obj = get_texobj(ctx, target, GL_TRUE);
- if (!obj)
- return;
+ obj = get_texobj(ctx, target, GL_TRUE);
+ if (!obj)
+ return;
_mesa_lock_texture(ctx, obj);
switch (pname) {
@@ -1330,14 +1274,8 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
}
break;;
case GL_TEXTURE_RESIDENT:
- {
- GLboolean resident;
- if (ctx->Driver.IsTextureResident)
- resident = ctx->Driver.IsTextureResident(ctx, obj);
- else
- resident = GL_TRUE;
- *params = (GLint) resident;
- }
+ *params = ctx->Driver.IsTextureResident ?
+ ctx->Driver.IsTextureResident(ctx, obj) : 1;
break;;
case GL_TEXTURE_PRIORITY:
*params = FLOAT_TO_INT(obj->Priority);
@@ -1355,55 +1293,37 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
*params = obj->MaxLevel;
break;;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- *params = (GLint) obj->Sampler.MaxAnisotropy;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.EXT_texture_filter_anisotropic)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.MaxAnisotropy;
break;
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- if (ctx->Extensions.ARB_shadow_ambient) {
- *params = (GLint) FLOAT_TO_INT(obj->Sampler.CompareFailValue);
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.ARB_shadow_ambient)
+ goto invalid_pname;
+ *params = (GLint) FLOAT_TO_INT(obj->Sampler.CompareFailValue);
break;
case GL_GENERATE_MIPMAP_SGIS:
*params = (GLint) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->Sampler.CompareMode;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.CompareMode;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->Sampler.CompareFunc;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.CompareFunc;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLint) obj->Sampler.DepthMode;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.ARB_depth_texture)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.DepthMode;
break;
case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = (GLint) obj->Sampler.LodBias;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.EXT_texture_lod_bias)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.LodBias;
break;
#if FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
@@ -1417,42 +1337,34 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
case GL_TEXTURE_SWIZZLE_G_EXT:
case GL_TEXTURE_SWIZZLE_B_EXT:
case GL_TEXTURE_SWIZZLE_A_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
- *params = obj->Swizzle[comp];
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.EXT_texture_swizzle)
+ goto invalid_pname;
+ *params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
break;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- COPY_4V(params, obj->Swizzle);
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.EXT_texture_swizzle)
+ goto invalid_pname;
+ COPY_4V(params, obj->Swizzle);
break;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
- if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
- *params = (GLint) obj->Sampler.CubeMapSeamless;
- }
- else {
- error = GL_TRUE;
- }
+ if (!ctx->Extensions.AMD_seamless_cubemap_per_texture)
+ goto invalid_pname;
+ *params = (GLint) obj->Sampler.CubeMapSeamless;
break;
default:
- ; /* silence warnings */
+ goto invalid_pname;
}
- if (error)
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
- pname);
+ /* no error if we get here */
+ _mesa_unlock_texture(ctx, obj);
+ return;
+invalid_pname:
_mesa_unlock_texture(ctx, obj);
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
}
@@ -1465,6 +1377,8 @@ _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
texObj = get_texobj(ctx, target, GL_TRUE);
+ if (!texObj)
+ return;
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
@@ -1485,6 +1399,8 @@ _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
texObj = get_texobj(ctx, target, GL_TRUE);
+ if (!texObj)
+ return;
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c
index dd069a3a4..1329af4cd 100644
--- a/mesalib/src/mesa/main/uniforms.c
+++ b/mesalib/src/mesa/main/uniforms.c
@@ -429,7 +429,7 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
for (i = 0; i < rows; i++) {
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
- params[k++] = prog->Parameters->ParameterValues[base][j];
+ params[k++] = prog->Parameters->ParameterValues[base][j].f;
}
}
}
@@ -442,7 +442,7 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
params[k++] = (GLdouble)
- prog->Parameters->ParameterValues[base][j];
+ prog->Parameters->ParameterValues[base][j].f;
}
}
}
@@ -454,8 +454,9 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
for (i = 0; i < rows; i++) {
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
- params[k++] = (GLint)
- prog->Parameters->ParameterValues[base][j];
+ params[k++] = ctx->Const.GLSLVersion <= 120 ?
+ (GLint) prog->Parameters->ParameterValues[base][j].f :
+ prog->Parameters->ParameterValues[base][j].i;
}
}
}
@@ -467,8 +468,9 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
for (i = 0; i < rows; i++) {
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
- params[k++] = (GLuint)
- prog->Parameters->ParameterValues[base][j];
+ params[k++] = ctx->Const.GLSLVersion <= 120 ?
+ (GLuint) prog->Parameters->ParameterValues[base][j].f :
+ prog->Parameters->ParameterValues[base][j].u;
}
}
}
@@ -670,7 +672,7 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program,
/* loop over number of samplers to change */
for (i = 0; i < count; i++) {
GLuint sampler = (GLuint)
- program->Parameters->ParameterValues[index + offset + i][0];
+ program->Parameters->ParameterValues[index+offset + i][0].f;
GLuint texUnit = ((GLuint *) values)[i];
/* check that the sampler (tex unit index) is legal */
@@ -735,42 +737,52 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program,
/* loop over number of array elements */
for (k = 0; k < count; k++) {
- GLfloat *uniformVal;
+ gl_constant_value *uniformVal;
if (offset + k >= slots) {
/* Extra array data is ignored */
break;
}
- /* uniformVal (the destination) is always float[4] */
+ /* uniformVal (the destination) is always gl_constant_value[4] */
uniformVal = program->Parameters->ParameterValues[index + offset + k];
if (basicType == GL_INT) {
- /* convert user's ints to floats */
const GLint *iValues = ((const GLint *) values) + k * elems;
for (i = 0; i < elems; i++) {
- uniformVal[i] = (GLfloat) iValues[i];
+ if (ctx->Const.GLSLVersion <= 120)
+ uniformVal[i].f = (GLfloat) iValues[i];
+ else
+ uniformVal[i].i = iValues[i];
}
}
else if (basicType == GL_UNSIGNED_INT) {
- /* convert user's uints to floats */
const GLuint *iValues = ((const GLuint *) values) + k * elems;
for (i = 0; i < elems; i++) {
- uniformVal[i] = (GLfloat) iValues[i];
+ if (ctx->Const.GLSLVersion <= 120)
+ uniformVal[i].f = (GLfloat)(GLuint) iValues[i];
+ else
+ uniformVal[i].u = iValues[i];
}
}
else {
const GLfloat *fValues = ((const GLfloat *) values) + k * elems;
assert(basicType == GL_FLOAT);
for (i = 0; i < elems; i++) {
- uniformVal[i] = fValues[i];
+ uniformVal[i].f = fValues[i];
}
}
- /* if the uniform is bool-valued, convert to 1.0 or 0.0 */
+ /* if the uniform is bool-valued, convert to 1 or 0 */
if (isUniformBool) {
for (i = 0; i < elems; i++) {
- uniformVal[i] = uniformVal[i] ? 1.0f : 0.0f;
+ if (basicType == GL_FLOAT)
+ uniformVal[i].b = uniformVal[i].f != 0.0f ? 1 : 0;
+ else
+ uniformVal[i].b = uniformVal[i].u ? 1 : 0;
+
+ if (ctx->Const.GLSLVersion <= 120)
+ uniformVal[i].f = uniformVal[i].b ? 1.0f : 0.0f;
}
}
}
@@ -936,7 +948,7 @@ set_program_uniform_matrix(struct gl_context *ctx, struct gl_program *program,
/* Ignore writes beyond the end of (the used part of) an array */
return;
}
- v = program->Parameters->ParameterValues[index + offset];
+ v = (GLfloat *) program->Parameters->ParameterValues[index + offset];
for (row = 0; row < rows; row++) {
if (transpose) {
v[row] = values[src + row * cols + col];
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 382cda0c7..debadb9a3 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -585,7 +585,7 @@ ir_to_mesa_visitor::src_reg_for_float(float val)
src_reg src(PROGRAM_CONSTANT, -1, NULL);
src.index = _mesa_add_unnamed_constant(this->prog->Parameters,
- &val, 1, &src.swizzle);
+ (const gl_constant_value *)&val, 1, &src.swizzle);
return src;
}
@@ -1795,7 +1795,7 @@ ir_to_mesa_visitor::visit(ir_constant *ir)
src = src_reg(PROGRAM_CONSTANT, -1, NULL);
src.index = _mesa_add_unnamed_constant(this->prog->Parameters,
- values,
+ (gl_constant_value *) values,
ir->type->vector_elements,
&src.swizzle);
emit(ir, OPCODE_MOV, mat_column, src);
@@ -1833,7 +1833,7 @@ ir_to_mesa_visitor::visit(ir_constant *ir)
this->result = src_reg(PROGRAM_CONSTANT, -1, ir->type);
this->result.index = _mesa_add_unnamed_constant(this->prog->Parameters,
- values,
+ (gl_constant_value *) values,
ir->type->vector_elements,
&this->result.swizzle);
}
@@ -2533,7 +2533,7 @@ add_uniforms_to_parameters_list(struct gl_shader_program *shader_program,
*/
if (file == PROGRAM_SAMPLER) {
for (unsigned int j = 0; j < size / 4; j++)
- prog->Parameters->ParameterValues[index + j][0] = next_sampler++;
+ prog->Parameters->ParameterValues[index + j][0].f = next_sampler++;
}
/* The location chosen in the Parameters list here (returned
diff --git a/mesalib/src/mesa/program/nvfragparse.c b/mesalib/src/mesa/program/nvfragparse.c
index 04538e071..ce72c610d 100644
--- a/mesalib/src/mesa/program/nvfragparse.c
+++ b/mesalib/src/mesa/program/nvfragparse.c
@@ -1,1588 +1,1595 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file nvfragparse.c
- * NVIDIA fragment program parser.
- * \author Brian Paul
- */
-
-/*
- * Regarding GL_NV_fragment_program:
- *
- * Portions of this software may use or implement intellectual
- * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
- * any and all warranties with respect to such intellectual property,
- * including any use thereof or modifications thereto.
- */
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "program.h"
-#include "prog_parameter.h"
-#include "prog_print.h"
-#include "prog_instruction.h"
-#include "nvfragparse.h"
-
-
-#define INPUT_1V 1
-#define INPUT_2V 2
-#define INPUT_3V 3
-#define INPUT_1S 4
-#define INPUT_2S 5
-#define INPUT_CC 6
-#define INPUT_1V_T 7 /* one source vector, plus textureId */
-#define INPUT_3V_T 8 /* one source vector, plus textureId */
-#define INPUT_NONE 9
-#define INPUT_1V_S 10 /* a string and a vector register */
-#define OUTPUT_V 20
-#define OUTPUT_S 21
-#define OUTPUT_NONE 22
-
-/* IRIX defines some of these */
-#undef _R
-#undef _H
-#undef _X
-#undef _C
-#undef _S
-
-/* Optional suffixes */
-#define _R FLOAT32 /* float */
-#define _H FLOAT16 /* half-float */
-#define _X FIXED12 /* fixed */
-#define _C 0x08 /* set cond codes */
-#define _S 0x10 /* saturate, clamp result to [0,1] */
-
-struct instruction_pattern {
- const char *name;
- enum prog_opcode opcode;
- GLuint inputs;
- GLuint outputs;
- GLuint suffixes;
-};
-
-static const struct instruction_pattern Instructions[] = {
- { "ADD", OPCODE_ADD, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "COS", OPCODE_COS, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "DDX", OPCODE_DDX, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
- { "DDY", OPCODE_DDY, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
- { "DP3", OPCODE_DP3, INPUT_2V, OUTPUT_S, _R | _H | _X | _C | _S },
- { "DP4", OPCODE_DP4, INPUT_2V, OUTPUT_S, _R | _H | _X | _C | _S },
- { "DST", OPCODE_DP4, INPUT_2V, OUTPUT_V, _R | _H | _C | _S },
- { "EX2", OPCODE_DP4, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "FLR", OPCODE_FLR, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "FRC", OPCODE_FRC, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "KIL", OPCODE_KIL_NV, INPUT_CC, OUTPUT_NONE, 0 },
- { "LG2", OPCODE_LG2, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "LIT", OPCODE_LIT, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
- { "LRP", OPCODE_LRP, INPUT_3V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "MAD", OPCODE_MAD, INPUT_3V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "MAX", OPCODE_MAX, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "MIN", OPCODE_MIN, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "MOV", OPCODE_MOV, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "MUL", OPCODE_MUL, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "PK2H", OPCODE_PK2H, INPUT_1V, OUTPUT_S, 0 },
- { "PK2US", OPCODE_PK2US, INPUT_1V, OUTPUT_S, 0 },
- { "PK4B", OPCODE_PK4B, INPUT_1V, OUTPUT_S, 0 },
- { "PK4UB", OPCODE_PK4UB, INPUT_1V, OUTPUT_S, 0 },
- { "POW", OPCODE_POW, INPUT_2S, OUTPUT_S, _R | _H | _C | _S },
- { "RCP", OPCODE_RCP, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "RFL", OPCODE_RFL, INPUT_2V, OUTPUT_V, _R | _H | _C | _S },
- { "RSQ", OPCODE_RSQ, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "SEQ", OPCODE_SEQ, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SFL", OPCODE_SFL, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SGE", OPCODE_SGE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SGT", OPCODE_SGT, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SIN", OPCODE_SIN, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
- { "SLE", OPCODE_SLE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SLT", OPCODE_SLT, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SNE", OPCODE_SNE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "STR", OPCODE_STR, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "SUB", OPCODE_SUB, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
- { "TEX", OPCODE_TEX, INPUT_1V_T, OUTPUT_V, _C | _S },
- { "TXD", OPCODE_TXD, INPUT_3V_T, OUTPUT_V, _C | _S },
- { "TXP", OPCODE_TXP_NV, INPUT_1V_T, OUTPUT_V, _C | _S },
- { "UP2H", OPCODE_UP2H, INPUT_1S, OUTPUT_V, _C | _S },
- { "UP2US", OPCODE_UP2US, INPUT_1S, OUTPUT_V, _C | _S },
- { "UP4B", OPCODE_UP4B, INPUT_1S, OUTPUT_V, _C | _S },
- { "UP4UB", OPCODE_UP4UB, INPUT_1S, OUTPUT_V, _C | _S },
- { "X2D", OPCODE_X2D, INPUT_3V, OUTPUT_V, _R | _H | _C | _S },
- { "PRINT", OPCODE_PRINT, INPUT_1V_S, OUTPUT_NONE, 0 },
- { NULL, (enum prog_opcode) -1, 0, 0, 0 }
-};
-
-
-/*
- * Information needed or computed during parsing.
- * Remember, we can't modify the target program object until we've
- * _successfully_ parsed the program text.
- */
-struct parse_state {
- struct gl_context *ctx;
- const GLubyte *start; /* start of program string */
- const GLubyte *pos; /* current position */
- const GLubyte *curLine;
- struct gl_fragment_program *program; /* current program */
-
- struct gl_program_parameter_list *parameters;
-
- GLuint numInst; /* number of instructions parsed */
- GLuint inputsRead; /* bitmask of input registers used */
- GLuint outputsWritten; /* bitmask of 1 << FRAG_OUTPUT_* bits */
- GLuint texturesUsed[MAX_TEXTURE_IMAGE_UNITS];
-};
-
-
-
-/*
- * Called whenever we find an error during parsing.
- */
-static void
-record_error(struct parse_state *parseState, const char *msg, int lineNo)
-{
-#ifdef DEBUG
- GLint line, column;
- const GLubyte *lineStr;
- lineStr = _mesa_find_line_column(parseState->start,
- parseState->pos, &line, &column);
- _mesa_debug(parseState->ctx,
- "nvfragparse.c(%d): line %d, column %d:%s (%s)\n",
- lineNo, line, column, (char *) lineStr, msg);
- free((void *) lineStr);
-#else
- (void) lineNo;
-#endif
-
- /* Check that no error was already recorded. Only record the first one. */
- if (parseState->ctx->Program.ErrorString[0] == 0) {
- _mesa_set_program_error(parseState->ctx,
- parseState->pos - parseState->start,
- msg);
- }
-}
-
-
-#define RETURN_ERROR \
-do { \
- record_error(parseState, "Unexpected end of input.", __LINE__); \
- return GL_FALSE; \
-} while(0)
-
-#define RETURN_ERROR1(msg) \
-do { \
- record_error(parseState, msg, __LINE__); \
- return GL_FALSE; \
-} while(0)
-
-#define RETURN_ERROR2(msg1, msg2) \
-do { \
- char err[1000]; \
- sprintf(err, "%s %s", msg1, msg2); \
- record_error(parseState, err, __LINE__); \
- return GL_FALSE; \
-} while(0)
-
-
-
-
-/*
- * Search a list of instruction structures for a match.
- */
-static struct instruction_pattern
-MatchInstruction(const GLubyte *token)
-{
- const struct instruction_pattern *inst;
- struct instruction_pattern result;
-
- result.name = NULL;
- result.opcode = MAX_OPCODE; /* i.e. invalid instruction */
- result.inputs = 0;
- result.outputs = 0;
- result.suffixes = 0;
-
- for (inst = Instructions; inst->name; inst++) {
- if (strncmp((const char *) token, inst->name, 3) == 0) {
- /* matched! */
- int i = 3;
- result = *inst;
- result.suffixes = 0;
- /* look at suffix */
- if (token[i] == 'R') {
- result.suffixes |= _R;
- i++;
- }
- else if (token[i] == 'H') {
- result.suffixes |= _H;
- i++;
- }
- else if (token[i] == 'X') {
- result.suffixes |= _X;
- i++;
- }
- if (token[i] == 'C') {
- result.suffixes |= _C;
- i++;
- }
- if (token[i] == '_' && token[i+1] == 'S' &&
- token[i+2] == 'A' && token[i+3] == 'T') {
- result.suffixes |= _S;
- }
- return result;
- }
- }
-
- return result;
-}
-
-
-
-
-/**********************************************************************/
-
-
-static GLboolean IsLetter(GLubyte b)
-{
- return (b >= 'a' && b <= 'z') ||
- (b >= 'A' && b <= 'Z') ||
- (b == '_') ||
- (b == '$');
-}
-
-
-static GLboolean IsDigit(GLubyte b)
-{
- return b >= '0' && b <= '9';
-}
-
-
-static GLboolean IsWhitespace(GLubyte b)
-{
- return b == ' ' || b == '\t' || b == '\n' || b == '\r';
-}
-
-
-/**
- * Starting at 'str' find the next token. A token can be an integer,
- * an identifier or punctuation symbol.
- * \return <= 0 we found an error, else, return number of characters parsed.
- */
-static GLint
-GetToken(struct parse_state *parseState, GLubyte *token)
-{
- const GLubyte *str = parseState->pos;
- GLint i = 0, j = 0;
-
- token[0] = 0;
-
- /* skip whitespace and comments */
- while (str[i] && (IsWhitespace(str[i]) || str[i] == '#')) {
- if (str[i] == '#') {
- /* skip comment */
- while (str[i] && (str[i] != '\n' && str[i] != '\r')) {
- i++;
- }
- if (str[i] == '\n' || str[i] == '\r')
- parseState->curLine = str + i + 1;
- }
- else {
- /* skip whitespace */
- if (str[i] == '\n' || str[i] == '\r')
- parseState->curLine = str + i + 1;
- i++;
- }
- }
-
- if (str[i] == 0)
- return -i;
-
- /* try matching an integer */
- while (str[i] && IsDigit(str[i])) {
- token[j++] = str[i++];
- }
- if (j > 0 || !str[i]) {
- token[j] = 0;
- return i;
- }
-
- /* try matching an identifier */
- if (IsLetter(str[i])) {
- while (str[i] && (IsLetter(str[i]) || IsDigit(str[i]))) {
- token[j++] = str[i++];
- }
- token[j] = 0;
- return i;
- }
-
- /* punctuation character */
- if (str[i]) {
- token[0] = str[i++];
- token[1] = 0;
- return i;
- }
-
- /* end of input */
- token[0] = 0;
- return i;
-}
-
-
-/**
- * Get next token from input stream and increment stream pointer past token.
- */
-static GLboolean
-Parse_Token(struct parse_state *parseState, GLubyte *token)
-{
- GLint i;
- i = GetToken(parseState, token);
- if (i <= 0) {
- parseState->pos += (-i);
- return GL_FALSE;
- }
- parseState->pos += i;
- return GL_TRUE;
-}
-
-
-/**
- * Get next token from input stream but don't increment stream pointer.
- */
-static GLboolean
-Peek_Token(struct parse_state *parseState, GLubyte *token)
-{
- GLint i, len;
- i = GetToken(parseState, token);
- if (i <= 0) {
- parseState->pos += (-i);
- return GL_FALSE;
- }
- len = (GLint) strlen((const char *) token);
- parseState->pos += (i - len);
- return GL_TRUE;
-}
-
-
-/**********************************************************************/
-
-static const char *InputRegisters[MAX_NV_FRAGMENT_PROGRAM_INPUTS + 1] = {
- "WPOS", "COL0", "COL1", "FOGC",
- "TEX0", "TEX1", "TEX2", "TEX3", "TEX4", "TEX5", "TEX6", "TEX7", NULL
-};
-
-
-
-/**********************************************************************/
-
-/**
- * Try to match 'pattern' as the next token after any whitespace/comments.
- */
-static GLboolean
-Parse_String(struct parse_state *parseState, const char *pattern)
-{
- const GLubyte *m;
- GLint i;
-
- /* skip whitespace and comments */
- while (IsWhitespace(*parseState->pos) || *parseState->pos == '#') {
- if (*parseState->pos == '#') {
- while (*parseState->pos && (*parseState->pos != '\n' && *parseState->pos != '\r')) {
- parseState->pos += 1;
- }
- if (*parseState->pos == '\n' || *parseState->pos == '\r')
- parseState->curLine = parseState->pos + 1;
- }
- else {
- /* skip whitespace */
- if (*parseState->pos == '\n' || *parseState->pos == '\r')
- parseState->curLine = parseState->pos + 1;
- parseState->pos += 1;
- }
- }
-
- /* Try to match the pattern */
- m = parseState->pos;
- for (i = 0; pattern[i]; i++) {
- if (*m != (GLubyte) pattern[i])
- return GL_FALSE;
- m += 1;
- }
- parseState->pos = m;
-
- return GL_TRUE; /* success */
-}
-
-
-static GLboolean
-Parse_Identifier(struct parse_state *parseState, GLubyte *ident)
-{
- if (!Parse_Token(parseState, ident))
- RETURN_ERROR;
- if (IsLetter(ident[0]))
- return GL_TRUE;
- else
- RETURN_ERROR1("Expected an identfier");
-}
-
-
-/**
- * Parse a floating point constant, or a defined symbol name.
- * [+/-]N[.N[eN]]
- * Output: number[0 .. 3] will get the value.
- */
-static GLboolean
-Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number)
-{
- char *end = NULL;
-
- *number = (GLfloat) _mesa_strtof((const char *) parseState->pos, &end);
-
- if (end && end > (char *) parseState->pos) {
- /* got a number */
- parseState->pos = (GLubyte *) end;
- number[1] = *number;
- number[2] = *number;
- number[3] = *number;
- return GL_TRUE;
- }
- else {
- /* should be an identifier */
- GLubyte ident[100];
- const GLfloat *constant;
- if (!Parse_Identifier(parseState, ident))
- RETURN_ERROR1("Expected an identifier");
- constant = _mesa_lookup_parameter_value(parseState->parameters,
- -1, (const char *) ident);
- /* XXX Check that it's a constant and not a parameter */
- if (!constant) {
- RETURN_ERROR1("Undefined symbol");
- }
- else {
- COPY_4V(number, constant);
- return GL_TRUE;
- }
- }
-}
-
-
-
-/**
- * Parse a vector constant, one of:
- * { float }
- * { float, float }
- * { float, float, float }
- * { float, float, float, float }
- */
-static GLboolean
-Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
-{
- /* "{" was already consumed */
-
- ASSIGN_4V(vec, 0.0, 0.0, 0.0, 1.0);
-
- if (!Parse_ScalarConstant(parseState, vec+0)) /* X */
- return GL_FALSE;
-
- if (Parse_String(parseState, "}")) {
- return GL_TRUE;
- }
-
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected comma in vector constant");
-
- if (!Parse_ScalarConstant(parseState, vec+1)) /* Y */
- return GL_FALSE;
-
- if (Parse_String(parseState, "}")) {
- return GL_TRUE;
- }
-
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected comma in vector constant");
-
- if (!Parse_ScalarConstant(parseState, vec+2)) /* Z */
- return GL_FALSE;
-
- if (Parse_String(parseState, "}")) {
- return GL_TRUE;
- }
-
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected comma in vector constant");
-
- if (!Parse_ScalarConstant(parseState, vec+3)) /* W */
- return GL_FALSE;
-
- if (!Parse_String(parseState, "}"))
- RETURN_ERROR1("Expected closing brace in vector constant");
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse <number>, <varname> or {a, b, c, d}.
- * Return number of values in the vector or scalar, or zero if parse error.
- */
-static GLuint
-Parse_VectorOrScalarConstant(struct parse_state *parseState, GLfloat *vec)
-{
- if (Parse_String(parseState, "{")) {
- return Parse_VectorConstant(parseState, vec);
- }
- else {
- GLboolean b = Parse_ScalarConstant(parseState, vec);
- if (b) {
- vec[1] = vec[2] = vec[3] = vec[0];
- }
- return b;
- }
-}
-
-
-/**
- * Parse a texture image source:
- * [TEX0 | TEX1 | .. | TEX15] , [1D | 2D | 3D | CUBE | RECT]
- */
-static GLboolean
-Parse_TextureImageId(struct parse_state *parseState,
- GLubyte *texUnit, GLubyte *texTargetBit)
-{
- GLubyte imageSrc[100];
- GLint unit;
-
- if (!Parse_Token(parseState, imageSrc))
- RETURN_ERROR;
-
- if (imageSrc[0] != 'T' ||
- imageSrc[1] != 'E' ||
- imageSrc[2] != 'X') {
- RETURN_ERROR1("Expected TEX# source");
- }
- unit = atoi((const char *) imageSrc + 3);
- if ((unit < 0 || unit > MAX_TEXTURE_IMAGE_UNITS) ||
- (unit == 0 && (imageSrc[3] != '0' || imageSrc[4] != 0))) {
- RETURN_ERROR1("Invalied TEX# source index");
- }
- *texUnit = unit;
-
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
-
- if (Parse_String(parseState, "1D")) {
- *texTargetBit = TEXTURE_1D_BIT;
- }
- else if (Parse_String(parseState, "2D")) {
- *texTargetBit = TEXTURE_2D_BIT;
- }
- else if (Parse_String(parseState, "3D")) {
- *texTargetBit = TEXTURE_3D_BIT;
- }
- else if (Parse_String(parseState, "CUBE")) {
- *texTargetBit = TEXTURE_CUBE_BIT;
- }
- else if (Parse_String(parseState, "RECT")) {
- *texTargetBit = TEXTURE_RECT_BIT;
- }
- else {
- RETURN_ERROR1("Invalid texture target token");
- }
-
- /* update record of referenced texture units */
- parseState->texturesUsed[*texUnit] |= *texTargetBit;
- if (_mesa_bitcount(parseState->texturesUsed[*texUnit]) > 1) {
- RETURN_ERROR1("Only one texture target can be used per texture unit.");
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse a scalar suffix like .x, .y, .z or .w or parse a swizzle suffix
- * like .wxyz, .xxyy, etc and return the swizzle indexes.
- */
-static GLboolean
-Parse_SwizzleSuffix(const GLubyte *token, GLuint swizzle[4])
-{
- if (token[1] == 0) {
- /* single letter swizzle (scalar) */
- if (token[0] == 'x')
- ASSIGN_4V(swizzle, 0, 0, 0, 0);
- else if (token[0] == 'y')
- ASSIGN_4V(swizzle, 1, 1, 1, 1);
- else if (token[0] == 'z')
- ASSIGN_4V(swizzle, 2, 2, 2, 2);
- else if (token[0] == 'w')
- ASSIGN_4V(swizzle, 3, 3, 3, 3);
- else
- return GL_FALSE;
- }
- else {
- /* 4-component swizzle (vector) */
- GLint k;
- for (k = 0; k < 4 && token[k]; k++) {
- if (token[k] == 'x')
- swizzle[k] = 0;
- else if (token[k] == 'y')
- swizzle[k] = 1;
- else if (token[k] == 'z')
- swizzle[k] = 2;
- else if (token[k] == 'w')
- swizzle[k] = 3;
- else
- return GL_FALSE;
- }
- if (k != 4)
- return GL_FALSE;
- }
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_CondCodeMask(struct parse_state *parseState,
- struct prog_dst_register *dstReg)
-{
- if (Parse_String(parseState, "EQ"))
- dstReg->CondMask = COND_EQ;
- else if (Parse_String(parseState, "GE"))
- dstReg->CondMask = COND_GE;
- else if (Parse_String(parseState, "GT"))
- dstReg->CondMask = COND_GT;
- else if (Parse_String(parseState, "LE"))
- dstReg->CondMask = COND_LE;
- else if (Parse_String(parseState, "LT"))
- dstReg->CondMask = COND_LT;
- else if (Parse_String(parseState, "NE"))
- dstReg->CondMask = COND_NE;
- else if (Parse_String(parseState, "TR"))
- dstReg->CondMask = COND_TR;
- else if (Parse_String(parseState, "FL"))
- dstReg->CondMask = COND_FL;
- else
- RETURN_ERROR1("Invalid condition code mask");
-
- /* look for optional .xyzw swizzle */
- if (Parse_String(parseState, ".")) {
- GLubyte token[100];
- GLuint swz[4];
-
- if (!Parse_Token(parseState, token)) /* get xyzw suffix */
- RETURN_ERROR;
-
- if (!Parse_SwizzleSuffix(token, swz))
- RETURN_ERROR1("Invalid swizzle suffix");
-
- dstReg->CondSwizzle = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse a temporary register: Rnn or Hnn
- */
-static GLboolean
-Parse_TempReg(struct parse_state *parseState, GLint *tempRegNum)
-{
- GLubyte token[100];
-
- /* Should be 'R##' or 'H##' */
- if (!Parse_Token(parseState, token))
- RETURN_ERROR;
- if (token[0] != 'R' && token[0] != 'H')
- RETURN_ERROR1("Expected R## or H##");
-
- if (IsDigit(token[1])) {
- GLint reg = atoi((const char *) (token + 1));
- if (token[0] == 'H')
- reg += 32;
- if (reg >= MAX_NV_FRAGMENT_PROGRAM_TEMPS)
- RETURN_ERROR1("Invalid temporary register name");
- *tempRegNum = reg;
- }
- else {
- RETURN_ERROR1("Invalid temporary register name");
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse a write-only dummy register: RC or HC.
- */
-static GLboolean
-Parse_DummyReg(struct parse_state *parseState, GLint *regNum)
-{
- if (Parse_String(parseState, "RC")) {
- *regNum = 0;
- }
- else if (Parse_String(parseState, "HC")) {
- *regNum = 1;
- }
- else {
- RETURN_ERROR1("Invalid write-only register name");
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse a program local parameter register "p[##]"
- */
-static GLboolean
-Parse_ProgramParamReg(struct parse_state *parseState, GLint *regNum)
-{
- GLubyte token[100];
-
- if (!Parse_String(parseState, "p["))
- RETURN_ERROR1("Expected p[");
-
- if (!Parse_Token(parseState, token))
- RETURN_ERROR;
-
- if (IsDigit(token[0])) {
- /* a numbered program parameter register */
- GLint reg = atoi((const char *) token);
- if (reg >= MAX_NV_FRAGMENT_PROGRAM_PARAMS)
- RETURN_ERROR1("Invalid constant program number");
- *regNum = reg;
- }
- else {
- RETURN_ERROR;
- }
-
- if (!Parse_String(parseState, "]"))
- RETURN_ERROR1("Expected ]");
-
- return GL_TRUE;
-}
-
-
-/**
- * Parse f[name] - fragment input register
- */
-static GLboolean
-Parse_FragReg(struct parse_state *parseState, GLint *tempRegNum)
-{
- GLubyte token[100];
- GLint j;
-
- /* Match 'f[' */
- if (!Parse_String(parseState, "f["))
- RETURN_ERROR1("Expected f[");
-
- /* get <name> and look for match */
- if (!Parse_Token(parseState, token)) {
- RETURN_ERROR;
- }
- for (j = 0; InputRegisters[j]; j++) {
- if (strcmp((const char *) token, InputRegisters[j]) == 0) {
- *tempRegNum = j;
- parseState->inputsRead |= (1 << j);
- break;
- }
- }
- if (!InputRegisters[j]) {
- /* unknown input register label */
- RETURN_ERROR2("Invalid register name", token);
- }
-
- /* Match '[' */
- if (!Parse_String(parseState, "]"))
- RETURN_ERROR1("Expected ]");
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
-{
- GLubyte token[100];
-
- /* Match "o[" */
- if (!Parse_String(parseState, "o["))
- RETURN_ERROR1("Expected o[");
-
- /* Get output reg name */
- if (!Parse_Token(parseState, token))
- RETURN_ERROR;
-
- /* try to match an output register name */
- if (strcmp((char *) token, "COLR") == 0 ||
- strcmp((char *) token, "COLH") == 0) {
- /* note that we don't distinguish between COLR and COLH */
- *outputRegNum = FRAG_RESULT_COLOR;
- parseState->outputsWritten |= (1 << FRAG_RESULT_COLOR);
- }
- else if (strcmp((char *) token, "DEPR") == 0) {
- *outputRegNum = FRAG_RESULT_DEPTH;
- parseState->outputsWritten |= (1 << FRAG_RESULT_DEPTH);
- }
- else {
- RETURN_ERROR1("Invalid output register name");
- }
-
- /* Match ']' */
- if (!Parse_String(parseState, "]"))
- RETURN_ERROR1("Expected ]");
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_MaskedDstReg(struct parse_state *parseState,
- struct prog_dst_register *dstReg)
-{
- GLubyte token[100];
- GLint idx;
-
- /* Dst reg can be R<n>, H<n>, o[n], RC or HC */
- if (!Peek_Token(parseState, token))
- RETURN_ERROR;
-
- if (strcmp((const char *) token, "RC") == 0 ||
- strcmp((const char *) token, "HC") == 0) {
- /* a write-only register */
- dstReg->File = PROGRAM_WRITE_ONLY;
- if (!Parse_DummyReg(parseState, &idx))
- RETURN_ERROR;
- dstReg->Index = idx;
- }
- else if (token[0] == 'R' || token[0] == 'H') {
- /* a temporary register */
- dstReg->File = PROGRAM_TEMPORARY;
- if (!Parse_TempReg(parseState, &idx))
- RETURN_ERROR;
- dstReg->Index = idx;
- }
- else if (token[0] == 'o') {
- /* an output register */
- dstReg->File = PROGRAM_OUTPUT;
- if (!Parse_OutputReg(parseState, &idx))
- RETURN_ERROR;
- dstReg->Index = idx;
- }
- else {
- RETURN_ERROR1("Invalid destination register name");
- }
-
- /* Parse optional write mask */
- if (Parse_String(parseState, ".")) {
- /* got a mask */
- GLint k = 0;
-
- if (!Parse_Token(parseState, token)) /* get xyzw writemask */
- RETURN_ERROR;
-
- dstReg->WriteMask = 0;
-
- if (token[k] == 'x') {
- dstReg->WriteMask |= WRITEMASK_X;
- k++;
- }
- if (token[k] == 'y') {
- dstReg->WriteMask |= WRITEMASK_Y;
- k++;
- }
- if (token[k] == 'z') {
- dstReg->WriteMask |= WRITEMASK_Z;
- k++;
- }
- if (token[k] == 'w') {
- dstReg->WriteMask |= WRITEMASK_W;
- k++;
- }
- if (k == 0) {
- RETURN_ERROR1("Invalid writemask character");
- }
-
- }
- else {
- dstReg->WriteMask = WRITEMASK_XYZW;
- }
-
- /* optional condition code mask */
- if (Parse_String(parseState, "(")) {
- /* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".x|y|z|w) */
- /* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".[xyzw]) */
- if (!Parse_CondCodeMask(parseState, dstReg))
- RETURN_ERROR;
-
- if (!Parse_String(parseState, ")")) /* consume ")" */
- RETURN_ERROR1("Expected )");
-
- return GL_TRUE;
- }
- else {
- /* no cond code mask */
- dstReg->CondMask = COND_TR;
- dstReg->CondSwizzle = SWIZZLE_NOOP;
- return GL_TRUE;
- }
-}
-
-
-/**
- * Parse a vector source (register, constant, etc):
- * <vectorSrc> ::= <absVectorSrc>
- * | <baseVectorSrc>
- * <absVectorSrc> ::= <negate> "|" <baseVectorSrc> "|"
- */
-static GLboolean
-Parse_VectorSrc(struct parse_state *parseState,
- struct prog_src_register *srcReg)
-{
- GLfloat sign = 1.0F;
- GLubyte token[100];
- GLint idx;
- GLuint negateBase, negateAbs;
-
- /*
- * First, take care of +/- and absolute value stuff.
- */
- if (Parse_String(parseState, "-"))
- sign = -1.0F;
- else if (Parse_String(parseState, "+"))
- sign = +1.0F;
-
- if (Parse_String(parseState, "|")) {
- srcReg->Abs = GL_TRUE;
- negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
-
- if (Parse_String(parseState, "-"))
- negateBase = NEGATE_XYZW;
- else if (Parse_String(parseState, "+"))
- negateBase = NEGATE_NONE;
- else
- negateBase = NEGATE_NONE;
- }
- else {
- srcReg->Abs = GL_FALSE;
- negateAbs = NEGATE_NONE;
- negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
- }
-
- srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
-
- /* This should be the real src vector/register name */
- if (!Peek_Token(parseState, token))
- RETURN_ERROR;
-
- /* Src reg can be Rn, Hn, f[n], p[n], a named parameter, a scalar
- * literal or vector literal.
- */
- if (token[0] == 'R' || token[0] == 'H') {
- srcReg->File = PROGRAM_TEMPORARY;
- if (!Parse_TempReg(parseState, &idx))
- RETURN_ERROR;
- srcReg->Index = idx;
- }
- else if (token[0] == 'f') {
- /* XXX this might be an identifier! */
- srcReg->File = PROGRAM_INPUT;
- if (!Parse_FragReg(parseState, &idx))
- RETURN_ERROR;
- srcReg->Index = idx;
- }
- else if (token[0] == 'p') {
- /* XXX this might be an identifier! */
- srcReg->File = PROGRAM_LOCAL_PARAM;
- if (!Parse_ProgramParamReg(parseState, &idx))
- RETURN_ERROR;
- srcReg->Index = idx;
- }
- else if (IsLetter(token[0])){
- GLubyte ident[100];
- GLint paramIndex;
- if (!Parse_Identifier(parseState, ident))
- RETURN_ERROR;
- paramIndex = _mesa_lookup_parameter_index(parseState->parameters,
- -1, (const char *) ident);
- if (paramIndex < 0) {
- RETURN_ERROR2("Undefined constant or parameter: ", ident);
- }
- srcReg->File = PROGRAM_NAMED_PARAM;
- srcReg->Index = paramIndex;
- }
- else if (IsDigit(token[0]) || token[0] == '-' || token[0] == '+' || token[0] == '.'){
- /* literal scalar constant */
- GLfloat values[4];
- GLuint paramIndex;
- if (!Parse_ScalarConstant(parseState, values))
- RETURN_ERROR;
- paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
- values, 4, NULL);
- srcReg->File = PROGRAM_NAMED_PARAM;
- srcReg->Index = paramIndex;
- }
- else if (token[0] == '{'){
- /* literal vector constant */
- GLfloat values[4];
- GLuint paramIndex;
- (void) Parse_String(parseState, "{");
- if (!Parse_VectorConstant(parseState, values))
- RETURN_ERROR;
- paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
- values, 4, NULL);
- srcReg->File = PROGRAM_NAMED_PARAM;
- srcReg->Index = paramIndex;
- }
- else {
- RETURN_ERROR2("Invalid source register name", token);
- }
-
- /* init swizzle fields */
- srcReg->Swizzle = SWIZZLE_NOOP;
-
- /* Look for optional swizzle suffix */
- if (Parse_String(parseState, ".")) {
- GLuint swz[4];
-
- if (!Parse_Token(parseState, token))
- RETURN_ERROR;
-
- if (!Parse_SwizzleSuffix(token, swz))
- RETURN_ERROR1("Invalid swizzle suffix");
-
- srcReg->Swizzle = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
- }
-
- /* Finish absolute value */
- if (srcReg->Abs && !Parse_String(parseState, "|")) {
- RETURN_ERROR1("Expected |");
- }
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_ScalarSrcReg(struct parse_state *parseState,
- struct prog_src_register *srcReg)
-{
- GLubyte token[100];
- GLfloat sign = 1.0F;
- GLboolean needSuffix = GL_TRUE;
- GLint idx;
- GLuint negateBase, negateAbs;
-
- /*
- * First, take care of +/- and absolute value stuff.
- */
- if (Parse_String(parseState, "-"))
- sign = -1.0F;
- else if (Parse_String(parseState, "+"))
- sign = +1.0F;
-
- if (Parse_String(parseState, "|")) {
- srcReg->Abs = GL_TRUE;
- negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
-
- if (Parse_String(parseState, "-"))
- negateBase = NEGATE_XYZW;
- else if (Parse_String(parseState, "+"))
- negateBase = NEGATE_NONE;
- else
- negateBase = NEGATE_NONE;
- }
- else {
- srcReg->Abs = GL_FALSE;
- negateAbs = NEGATE_NONE;
- negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
- }
-
- srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
-
- if (!Peek_Token(parseState, token))
- RETURN_ERROR;
-
- /* Src reg can be R<n>, H<n> or a named fragment attrib */
- if (token[0] == 'R' || token[0] == 'H') {
- srcReg->File = PROGRAM_TEMPORARY;
- if (!Parse_TempReg(parseState, &idx))
- RETURN_ERROR;
- srcReg->Index = idx;
- }
- else if (token[0] == 'f') {
- srcReg->File = PROGRAM_INPUT;
- if (!Parse_FragReg(parseState, &idx))
- RETURN_ERROR;
- srcReg->Index = idx;
- }
- else if (token[0] == '{') {
- /* vector literal */
- GLfloat values[4];
- GLuint paramIndex;
- (void) Parse_String(parseState, "{");
- if (!Parse_VectorConstant(parseState, values))
- RETURN_ERROR;
- paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
- values, 4, NULL);
- srcReg->File = PROGRAM_NAMED_PARAM;
- srcReg->Index = paramIndex;
- }
- else if (IsLetter(token[0])){
- /* named param/constant */
- GLubyte ident[100];
- GLint paramIndex;
- if (!Parse_Identifier(parseState, ident))
- RETURN_ERROR;
- paramIndex = _mesa_lookup_parameter_index(parseState->parameters,
- -1, (const char *) ident);
- if (paramIndex < 0) {
- RETURN_ERROR2("Undefined constant or parameter: ", ident);
- }
- srcReg->File = PROGRAM_NAMED_PARAM;
- srcReg->Index = paramIndex;
- }
- else if (IsDigit(token[0])) {
- /* scalar literal */
- GLfloat values[4];
- GLuint paramIndex;
- if (!Parse_ScalarConstant(parseState, values))
- RETURN_ERROR;
- paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
- values, 4, NULL);
- srcReg->Index = paramIndex;
- srcReg->File = PROGRAM_NAMED_PARAM;
- needSuffix = GL_FALSE;
- }
- else {
- RETURN_ERROR2("Invalid scalar source argument", token);
- }
-
- srcReg->Swizzle = 0;
- if (needSuffix) {
- /* parse .[xyzw] suffix */
- if (!Parse_String(parseState, "."))
- RETURN_ERROR1("Expected .");
-
- if (!Parse_Token(parseState, token))
- RETURN_ERROR;
-
- if (token[0] == 'x' && token[1] == 0) {
- srcReg->Swizzle = 0;
- }
- else if (token[0] == 'y' && token[1] == 0) {
- srcReg->Swizzle = 1;
- }
- else if (token[0] == 'z' && token[1] == 0) {
- srcReg->Swizzle = 2;
- }
- else if (token[0] == 'w' && token[1] == 0) {
- srcReg->Swizzle = 3;
- }
- else {
- RETURN_ERROR1("Invalid scalar source suffix");
- }
- }
-
- /* Finish absolute value */
- if (srcReg->Abs && !Parse_String(parseState, "|")) {
- RETURN_ERROR1("Expected |");
- }
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_PrintInstruction(struct parse_state *parseState,
- struct prog_instruction *inst)
-{
- const GLubyte *str;
- GLubyte *msg;
- GLuint len;
- GLint idx;
-
- /* The first argument is a literal string 'just like this' */
- if (!Parse_String(parseState, "'"))
- RETURN_ERROR1("Expected '");
-
- str = parseState->pos;
- for (len = 0; str[len] != '\''; len++) /* find closing quote */
- ;
- parseState->pos += len + 1;
- msg = (GLubyte*) malloc(len + 1);
-
- memcpy(msg, str, len);
- msg[len] = 0;
- inst->Data = msg;
-
- if (Parse_String(parseState, ",")) {
- /* got an optional register to print */
- GLubyte token[100];
- GetToken(parseState, token);
- if (token[0] == 'o') {
- /* dst reg */
- if (!Parse_OutputReg(parseState, &idx))
- RETURN_ERROR;
- inst->SrcReg[0].Index = idx;
- inst->SrcReg[0].File = PROGRAM_OUTPUT;
- }
- else {
- /* src reg */
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- }
- }
- else {
- inst->SrcReg[0].File = PROGRAM_UNDEFINED;
- }
-
- inst->SrcReg[0].Swizzle = SWIZZLE_NOOP;
- inst->SrcReg[0].Abs = GL_FALSE;
- inst->SrcReg[0].Negate = NEGATE_NONE;
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-Parse_InstructionSequence(struct parse_state *parseState,
- struct prog_instruction program[])
-{
- while (1) {
- struct prog_instruction *inst = program + parseState->numInst;
- struct instruction_pattern instMatch;
- GLubyte token[100];
-
- /* Initialize the instruction */
- _mesa_init_instructions(inst, 1);
-
- /* special instructions */
- if (Parse_String(parseState, "DEFINE")) {
- GLubyte id[100];
- GLfloat value[7]; /* yes, 7 to be safe */
- if (!Parse_Identifier(parseState, id))
- RETURN_ERROR;
- /* XXX make sure id is not a reserved identifer, like R9 */
- if (!Parse_String(parseState, "="))
- RETURN_ERROR1("Expected =");
- if (!Parse_VectorOrScalarConstant(parseState, value))
- RETURN_ERROR;
- if (!Parse_String(parseState, ";"))
- RETURN_ERROR1("Expected ;");
- if (_mesa_lookup_parameter_index(parseState->parameters,
- -1, (const char *) id) >= 0) {
- RETURN_ERROR2(id, "already defined");
- }
- _mesa_add_named_parameter(parseState->parameters,
- (const char *) id, value);
- }
- else if (Parse_String(parseState, "DECLARE")) {
- GLubyte id[100];
- GLfloat value[7] = {0, 0, 0, 0, 0, 0, 0}; /* yes, to be safe */
- if (!Parse_Identifier(parseState, id))
- RETURN_ERROR;
- /* XXX make sure id is not a reserved identifer, like R9 */
- if (Parse_String(parseState, "=")) {
- if (!Parse_VectorOrScalarConstant(parseState, value))
- RETURN_ERROR;
- }
- if (!Parse_String(parseState, ";"))
- RETURN_ERROR1("Expected ;");
- if (_mesa_lookup_parameter_index(parseState->parameters,
- -1, (const char *) id) >= 0) {
- RETURN_ERROR2(id, "already declared");
- }
- _mesa_add_named_parameter(parseState->parameters,
- (const char *) id, value);
- }
- else if (Parse_String(parseState, "END")) {
- inst->Opcode = OPCODE_END;
- parseState->numInst++;
- if (Parse_Token(parseState, token)) {
- RETURN_ERROR1("Code after END opcode.");
- }
- break;
- }
- else {
- /* general/arithmetic instruction */
-
- /* get token */
- if (!Parse_Token(parseState, token)) {
- RETURN_ERROR1("Missing END instruction.");
- }
-
- /* try to find matching instuction */
- instMatch = MatchInstruction(token);
- if (instMatch.opcode >= MAX_OPCODE) {
- /* bad instruction name */
- RETURN_ERROR2("Unexpected token: ", token);
- }
-
- inst->Opcode = instMatch.opcode;
- inst->Precision = instMatch.suffixes & (_R | _H | _X);
- inst->SaturateMode = (instMatch.suffixes & (_S))
- ? SATURATE_ZERO_ONE : SATURATE_OFF;
- inst->CondUpdate = (instMatch.suffixes & (_C)) ? GL_TRUE : GL_FALSE;
-
- /*
- * parse the input and output operands
- */
- if (instMatch.outputs == OUTPUT_S || instMatch.outputs == OUTPUT_V) {
- if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- }
- else if (instMatch.outputs == OUTPUT_NONE) {
- if (instMatch.opcode == OPCODE_KIL_NV) {
- /* This is a little weird, the cond code info is in
- * the dest register.
- */
- if (!Parse_CondCodeMask(parseState, &inst->DstReg))
- RETURN_ERROR;
- }
- else {
- ASSERT(instMatch.opcode == OPCODE_PRINT);
- }
- }
-
- if (instMatch.inputs == INPUT_1V) {
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- }
- else if (instMatch.inputs == INPUT_2V) {
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
- RETURN_ERROR;
- }
- else if (instMatch.inputs == INPUT_3V) {
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[2]))
- RETURN_ERROR;
- }
- else if (instMatch.inputs == INPUT_1S) {
- if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- }
- else if (instMatch.inputs == INPUT_2S) {
- if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[1]))
- RETURN_ERROR;
- }
- else if (instMatch.inputs == INPUT_CC) {
- /* XXX to-do */
- }
- else if (instMatch.inputs == INPUT_1V_T) {
- GLubyte unit, idx;
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_TextureImageId(parseState, &unit, &idx))
- RETURN_ERROR;
- inst->TexSrcUnit = unit;
- inst->TexSrcTarget = idx;
- }
- else if (instMatch.inputs == INPUT_3V_T) {
- GLubyte unit, idx;
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_VectorSrc(parseState, &inst->SrcReg[2]))
- RETURN_ERROR;
- if (!Parse_String(parseState, ","))
- RETURN_ERROR1("Expected ,");
- if (!Parse_TextureImageId(parseState, &unit, &idx))
- RETURN_ERROR;
- inst->TexSrcUnit = unit;
- inst->TexSrcTarget = idx;
- }
- else if (instMatch.inputs == INPUT_1V_S) {
- if (!Parse_PrintInstruction(parseState, inst))
- RETURN_ERROR;
- }
-
- /* end of statement semicolon */
- if (!Parse_String(parseState, ";"))
- RETURN_ERROR1("Expected ;");
-
- parseState->numInst++;
-
- if (parseState->numInst >= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS)
- RETURN_ERROR1("Program too long");
- }
- }
- return GL_TRUE;
-}
-
-
-
-/**
- * Parse/compile the 'str' returning the compiled 'program'.
- * ctx->Program.ErrorPos will be -1 if successful. Otherwise, ErrorPos
- * indicates the position of the error in 'str'.
- */
-void
-_mesa_parse_nv_fragment_program(struct gl_context *ctx, GLenum dstTarget,
- const GLubyte *str, GLsizei len,
- struct gl_fragment_program *program)
-{
- struct parse_state parseState;
- struct prog_instruction instBuffer[MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS];
- struct prog_instruction *newInst;
- GLenum target;
- GLubyte *programString;
-
- /* Make a null-terminated copy of the program string */
- programString = (GLubyte *) MALLOC(len + 1);
- if (!programString) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return;
- }
- memcpy(programString, str, len);
- programString[len] = 0;
-
- /* Get ready to parse */
- memset(&parseState, 0, sizeof(struct parse_state));
- parseState.ctx = ctx;
- parseState.start = programString;
- parseState.program = program;
- parseState.numInst = 0;
- parseState.curLine = programString;
- parseState.parameters = _mesa_new_parameter_list();
-
- /* Reset error state */
- _mesa_set_program_error(ctx, -1, NULL);
-
- /* check the program header */
- if (strncmp((const char *) programString, "!!FP1.0", 7) == 0) {
- target = GL_FRAGMENT_PROGRAM_NV;
- parseState.pos = programString + 7;
- }
- else if (strncmp((const char *) programString, "!!FCP1.0", 8) == 0) {
- /* fragment / register combiner program - not supported */
- _mesa_set_program_error(ctx, 0, "Invalid fragment program header");
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(bad header)");
- return;
- }
- else {
- /* invalid header */
- _mesa_set_program_error(ctx, 0, "Invalid fragment program header");
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(bad header)");
- return;
- }
-
- /* make sure target and header match */
- if (target != dstTarget) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glLoadProgramNV(target mismatch 0x%x != 0x%x)",
- target, dstTarget);
- return;
- }
-
- if (Parse_InstructionSequence(&parseState, instBuffer)) {
- GLuint u;
- /* successful parse! */
-
- if (parseState.outputsWritten == 0) {
- /* must write at least one output! */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "Invalid fragment program - no outputs written.");
- return;
- }
-
- /* copy the compiled instructions */
- assert(parseState.numInst <= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS);
- newInst = _mesa_alloc_instructions(parseState.numInst);
- if (!newInst) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
- return; /* out of memory */
- }
- _mesa_copy_instructions(newInst, instBuffer, parseState.numInst);
-
- /* install the program */
- program->Base.Target = target;
- if (program->Base.String) {
- FREE(program->Base.String);
- }
- program->Base.String = programString;
- program->Base.Format = GL_PROGRAM_FORMAT_ASCII_ARB;
- if (program->Base.Instructions) {
- free(program->Base.Instructions);
- }
- program->Base.Instructions = newInst;
- program->Base.NumInstructions = parseState.numInst;
- program->Base.InputsRead = parseState.inputsRead;
- program->Base.OutputsWritten = parseState.outputsWritten;
- for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++)
- program->Base.TexturesUsed[u] = parseState.texturesUsed[u];
-
- /* save program parameters */
- program->Base.Parameters = parseState.parameters;
-
- /* allocate registers for declared program parameters */
-#if 00
- _mesa_assign_program_registers(&(program->SymbolTable));
-#endif
-
-#ifdef DEBUG_foo
- printf("--- glLoadProgramNV(%d) result ---\n", program->Base.Id);
- _mesa_fprint_program_opt(stdout, &program->Base, PROG_PRINT_NV, 0);
- printf("----------------------------------\n");
-#endif
- }
- else {
- /* Error! */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV");
- /* NOTE: _mesa_set_program_error would have been called already */
- }
-}
-
-
-const char *
-_mesa_nv_fragment_input_register_name(GLuint i)
-{
- ASSERT(i < MAX_NV_FRAGMENT_PROGRAM_INPUTS);
- return InputRegisters[i];
-}
-
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file nvfragparse.c
+ * NVIDIA fragment program parser.
+ * \author Brian Paul
+ */
+
+/*
+ * Regarding GL_NV_fragment_program:
+ *
+ * Portions of this software may use or implement intellectual
+ * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
+ * any and all warranties with respect to such intellectual property,
+ * including any use thereof or modifications thereto.
+ */
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "program.h"
+#include "prog_parameter.h"
+#include "prog_print.h"
+#include "prog_instruction.h"
+#include "nvfragparse.h"
+
+
+#define INPUT_1V 1
+#define INPUT_2V 2
+#define INPUT_3V 3
+#define INPUT_1S 4
+#define INPUT_2S 5
+#define INPUT_CC 6
+#define INPUT_1V_T 7 /* one source vector, plus textureId */
+#define INPUT_3V_T 8 /* one source vector, plus textureId */
+#define INPUT_NONE 9
+#define INPUT_1V_S 10 /* a string and a vector register */
+#define OUTPUT_V 20
+#define OUTPUT_S 21
+#define OUTPUT_NONE 22
+
+/* IRIX defines some of these */
+#undef _R
+#undef _H
+#undef _X
+#undef _C
+#undef _S
+
+/* Optional suffixes */
+#define _R FLOAT32 /* float */
+#define _H FLOAT16 /* half-float */
+#define _X FIXED12 /* fixed */
+#define _C 0x08 /* set cond codes */
+#define _S 0x10 /* saturate, clamp result to [0,1] */
+
+struct instruction_pattern {
+ const char *name;
+ enum prog_opcode opcode;
+ GLuint inputs;
+ GLuint outputs;
+ GLuint suffixes;
+};
+
+static const struct instruction_pattern Instructions[] = {
+ { "ADD", OPCODE_ADD, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "COS", OPCODE_COS, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "DDX", OPCODE_DDX, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
+ { "DDY", OPCODE_DDY, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
+ { "DP3", OPCODE_DP3, INPUT_2V, OUTPUT_S, _R | _H | _X | _C | _S },
+ { "DP4", OPCODE_DP4, INPUT_2V, OUTPUT_S, _R | _H | _X | _C | _S },
+ { "DST", OPCODE_DP4, INPUT_2V, OUTPUT_V, _R | _H | _C | _S },
+ { "EX2", OPCODE_DP4, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "FLR", OPCODE_FLR, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "FRC", OPCODE_FRC, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "KIL", OPCODE_KIL_NV, INPUT_CC, OUTPUT_NONE, 0 },
+ { "LG2", OPCODE_LG2, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "LIT", OPCODE_LIT, INPUT_1V, OUTPUT_V, _R | _H | _C | _S },
+ { "LRP", OPCODE_LRP, INPUT_3V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "MAD", OPCODE_MAD, INPUT_3V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "MAX", OPCODE_MAX, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "MIN", OPCODE_MIN, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "MOV", OPCODE_MOV, INPUT_1V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "MUL", OPCODE_MUL, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "PK2H", OPCODE_PK2H, INPUT_1V, OUTPUT_S, 0 },
+ { "PK2US", OPCODE_PK2US, INPUT_1V, OUTPUT_S, 0 },
+ { "PK4B", OPCODE_PK4B, INPUT_1V, OUTPUT_S, 0 },
+ { "PK4UB", OPCODE_PK4UB, INPUT_1V, OUTPUT_S, 0 },
+ { "POW", OPCODE_POW, INPUT_2S, OUTPUT_S, _R | _H | _C | _S },
+ { "RCP", OPCODE_RCP, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "RFL", OPCODE_RFL, INPUT_2V, OUTPUT_V, _R | _H | _C | _S },
+ { "RSQ", OPCODE_RSQ, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "SEQ", OPCODE_SEQ, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SFL", OPCODE_SFL, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SGE", OPCODE_SGE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SGT", OPCODE_SGT, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SIN", OPCODE_SIN, INPUT_1S, OUTPUT_S, _R | _H | _C | _S },
+ { "SLE", OPCODE_SLE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SLT", OPCODE_SLT, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SNE", OPCODE_SNE, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "STR", OPCODE_STR, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "SUB", OPCODE_SUB, INPUT_2V, OUTPUT_V, _R | _H | _X | _C | _S },
+ { "TEX", OPCODE_TEX, INPUT_1V_T, OUTPUT_V, _C | _S },
+ { "TXD", OPCODE_TXD, INPUT_3V_T, OUTPUT_V, _C | _S },
+ { "TXP", OPCODE_TXP_NV, INPUT_1V_T, OUTPUT_V, _C | _S },
+ { "UP2H", OPCODE_UP2H, INPUT_1S, OUTPUT_V, _C | _S },
+ { "UP2US", OPCODE_UP2US, INPUT_1S, OUTPUT_V, _C | _S },
+ { "UP4B", OPCODE_UP4B, INPUT_1S, OUTPUT_V, _C | _S },
+ { "UP4UB", OPCODE_UP4UB, INPUT_1S, OUTPUT_V, _C | _S },
+ { "X2D", OPCODE_X2D, INPUT_3V, OUTPUT_V, _R | _H | _C | _S },
+ { "PRINT", OPCODE_PRINT, INPUT_1V_S, OUTPUT_NONE, 0 },
+ { NULL, (enum prog_opcode) -1, 0, 0, 0 }
+};
+
+
+/*
+ * Information needed or computed during parsing.
+ * Remember, we can't modify the target program object until we've
+ * _successfully_ parsed the program text.
+ */
+struct parse_state {
+ struct gl_context *ctx;
+ const GLubyte *start; /* start of program string */
+ const GLubyte *pos; /* current position */
+ const GLubyte *curLine;
+ struct gl_fragment_program *program; /* current program */
+
+ struct gl_program_parameter_list *parameters;
+
+ GLuint numInst; /* number of instructions parsed */
+ GLuint inputsRead; /* bitmask of input registers used */
+ GLuint outputsWritten; /* bitmask of 1 << FRAG_OUTPUT_* bits */
+ GLuint texturesUsed[MAX_TEXTURE_IMAGE_UNITS];
+};
+
+
+
+/*
+ * Called whenever we find an error during parsing.
+ */
+static void
+record_error(struct parse_state *parseState, const char *msg, int lineNo)
+{
+#ifdef DEBUG
+ GLint line, column;
+ const GLubyte *lineStr;
+ lineStr = _mesa_find_line_column(parseState->start,
+ parseState->pos, &line, &column);
+ _mesa_debug(parseState->ctx,
+ "nvfragparse.c(%d): line %d, column %d:%s (%s)\n",
+ lineNo, line, column, (char *) lineStr, msg);
+ free((void *) lineStr);
+#else
+ (void) lineNo;
+#endif
+
+ /* Check that no error was already recorded. Only record the first one. */
+ if (parseState->ctx->Program.ErrorString[0] == 0) {
+ _mesa_set_program_error(parseState->ctx,
+ parseState->pos - parseState->start,
+ msg);
+ }
+}
+
+
+#define RETURN_ERROR \
+do { \
+ record_error(parseState, "Unexpected end of input.", __LINE__); \
+ return GL_FALSE; \
+} while(0)
+
+#define RETURN_ERROR1(msg) \
+do { \
+ record_error(parseState, msg, __LINE__); \
+ return GL_FALSE; \
+} while(0)
+
+#define RETURN_ERROR2(msg1, msg2) \
+do { \
+ char err[1000]; \
+ sprintf(err, "%s %s", msg1, msg2); \
+ record_error(parseState, err, __LINE__); \
+ return GL_FALSE; \
+} while(0)
+
+
+
+
+/*
+ * Search a list of instruction structures for a match.
+ */
+static struct instruction_pattern
+MatchInstruction(const GLubyte *token)
+{
+ const struct instruction_pattern *inst;
+ struct instruction_pattern result;
+
+ result.name = NULL;
+ result.opcode = MAX_OPCODE; /* i.e. invalid instruction */
+ result.inputs = 0;
+ result.outputs = 0;
+ result.suffixes = 0;
+
+ for (inst = Instructions; inst->name; inst++) {
+ if (strncmp((const char *) token, inst->name, 3) == 0) {
+ /* matched! */
+ int i = 3;
+ result = *inst;
+ result.suffixes = 0;
+ /* look at suffix */
+ if (token[i] == 'R') {
+ result.suffixes |= _R;
+ i++;
+ }
+ else if (token[i] == 'H') {
+ result.suffixes |= _H;
+ i++;
+ }
+ else if (token[i] == 'X') {
+ result.suffixes |= _X;
+ i++;
+ }
+ if (token[i] == 'C') {
+ result.suffixes |= _C;
+ i++;
+ }
+ if (token[i] == '_' && token[i+1] == 'S' &&
+ token[i+2] == 'A' && token[i+3] == 'T') {
+ result.suffixes |= _S;
+ }
+ return result;
+ }
+ }
+
+ return result;
+}
+
+
+
+
+/**********************************************************************/
+
+
+static GLboolean IsLetter(GLubyte b)
+{
+ return (b >= 'a' && b <= 'z') ||
+ (b >= 'A' && b <= 'Z') ||
+ (b == '_') ||
+ (b == '$');
+}
+
+
+static GLboolean IsDigit(GLubyte b)
+{
+ return b >= '0' && b <= '9';
+}
+
+
+static GLboolean IsWhitespace(GLubyte b)
+{
+ return b == ' ' || b == '\t' || b == '\n' || b == '\r';
+}
+
+
+/**
+ * Starting at 'str' find the next token. A token can be an integer,
+ * an identifier or punctuation symbol.
+ * \return <= 0 we found an error, else, return number of characters parsed.
+ */
+static GLint
+GetToken(struct parse_state *parseState, GLubyte *token)
+{
+ const GLubyte *str = parseState->pos;
+ GLint i = 0, j = 0;
+
+ token[0] = 0;
+
+ /* skip whitespace and comments */
+ while (str[i] && (IsWhitespace(str[i]) || str[i] == '#')) {
+ if (str[i] == '#') {
+ /* skip comment */
+ while (str[i] && (str[i] != '\n' && str[i] != '\r')) {
+ i++;
+ }
+ if (str[i] == '\n' || str[i] == '\r')
+ parseState->curLine = str + i + 1;
+ }
+ else {
+ /* skip whitespace */
+ if (str[i] == '\n' || str[i] == '\r')
+ parseState->curLine = str + i + 1;
+ i++;
+ }
+ }
+
+ if (str[i] == 0)
+ return -i;
+
+ /* try matching an integer */
+ while (str[i] && IsDigit(str[i])) {
+ token[j++] = str[i++];
+ }
+ if (j > 0 || !str[i]) {
+ token[j] = 0;
+ return i;
+ }
+
+ /* try matching an identifier */
+ if (IsLetter(str[i])) {
+ while (str[i] && (IsLetter(str[i]) || IsDigit(str[i]))) {
+ token[j++] = str[i++];
+ }
+ token[j] = 0;
+ return i;
+ }
+
+ /* punctuation character */
+ if (str[i]) {
+ token[0] = str[i++];
+ token[1] = 0;
+ return i;
+ }
+
+ /* end of input */
+ token[0] = 0;
+ return i;
+}
+
+
+/**
+ * Get next token from input stream and increment stream pointer past token.
+ */
+static GLboolean
+Parse_Token(struct parse_state *parseState, GLubyte *token)
+{
+ GLint i;
+ i = GetToken(parseState, token);
+ if (i <= 0) {
+ parseState->pos += (-i);
+ return GL_FALSE;
+ }
+ parseState->pos += i;
+ return GL_TRUE;
+}
+
+
+/**
+ * Get next token from input stream but don't increment stream pointer.
+ */
+static GLboolean
+Peek_Token(struct parse_state *parseState, GLubyte *token)
+{
+ GLint i, len;
+ i = GetToken(parseState, token);
+ if (i <= 0) {
+ parseState->pos += (-i);
+ return GL_FALSE;
+ }
+ len = (GLint) strlen((const char *) token);
+ parseState->pos += (i - len);
+ return GL_TRUE;
+}
+
+
+/**********************************************************************/
+
+static const char *InputRegisters[MAX_NV_FRAGMENT_PROGRAM_INPUTS + 1] = {
+ "WPOS", "COL0", "COL1", "FOGC",
+ "TEX0", "TEX1", "TEX2", "TEX3", "TEX4", "TEX5", "TEX6", "TEX7", NULL
+};
+
+
+
+/**********************************************************************/
+
+/**
+ * Try to match 'pattern' as the next token after any whitespace/comments.
+ */
+static GLboolean
+Parse_String(struct parse_state *parseState, const char *pattern)
+{
+ const GLubyte *m;
+ GLint i;
+
+ /* skip whitespace and comments */
+ while (IsWhitespace(*parseState->pos) || *parseState->pos == '#') {
+ if (*parseState->pos == '#') {
+ while (*parseState->pos && (*parseState->pos != '\n' && *parseState->pos != '\r')) {
+ parseState->pos += 1;
+ }
+ if (*parseState->pos == '\n' || *parseState->pos == '\r')
+ parseState->curLine = parseState->pos + 1;
+ }
+ else {
+ /* skip whitespace */
+ if (*parseState->pos == '\n' || *parseState->pos == '\r')
+ parseState->curLine = parseState->pos + 1;
+ parseState->pos += 1;
+ }
+ }
+
+ /* Try to match the pattern */
+ m = parseState->pos;
+ for (i = 0; pattern[i]; i++) {
+ if (*m != (GLubyte) pattern[i])
+ return GL_FALSE;
+ m += 1;
+ }
+ parseState->pos = m;
+
+ return GL_TRUE; /* success */
+}
+
+
+static GLboolean
+Parse_Identifier(struct parse_state *parseState, GLubyte *ident)
+{
+ if (!Parse_Token(parseState, ident))
+ RETURN_ERROR;
+ if (IsLetter(ident[0]))
+ return GL_TRUE;
+ else
+ RETURN_ERROR1("Expected an identfier");
+}
+
+
+/**
+ * Parse a floating point constant, or a defined symbol name.
+ * [+/-]N[.N[eN]]
+ * Output: number[0 .. 3] will get the value.
+ */
+static GLboolean
+Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number)
+{
+ char *end = NULL;
+
+ *number = (GLfloat) _mesa_strtof((const char *) parseState->pos, &end);
+
+ if (end && end > (char *) parseState->pos) {
+ /* got a number */
+ parseState->pos = (GLubyte *) end;
+ number[1] = *number;
+ number[2] = *number;
+ number[3] = *number;
+ return GL_TRUE;
+ }
+ else {
+ /* should be an identifier */
+ GLubyte ident[100];
+ const GLfloat *constant;
+ if (!Parse_Identifier(parseState, ident))
+ RETURN_ERROR1("Expected an identifier");
+ constant = (GLfloat *)_mesa_lookup_parameter_value(parseState->parameters,
+ -1,
+ (const char *) ident);
+ /* XXX Check that it's a constant and not a parameter */
+ if (!constant) {
+ RETURN_ERROR1("Undefined symbol");
+ }
+ else {
+ COPY_4V(number, constant);
+ return GL_TRUE;
+ }
+ }
+}
+
+
+
+/**
+ * Parse a vector constant, one of:
+ * { float }
+ * { float, float }
+ * { float, float, float }
+ * { float, float, float, float }
+ */
+static GLboolean
+Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
+{
+ /* "{" was already consumed */
+
+ ASSIGN_4V(vec, 0.0, 0.0, 0.0, 1.0);
+
+ if (!Parse_ScalarConstant(parseState, vec+0)) /* X */
+ return GL_FALSE;
+
+ if (Parse_String(parseState, "}")) {
+ return GL_TRUE;
+ }
+
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected comma in vector constant");
+
+ if (!Parse_ScalarConstant(parseState, vec+1)) /* Y */
+ return GL_FALSE;
+
+ if (Parse_String(parseState, "}")) {
+ return GL_TRUE;
+ }
+
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected comma in vector constant");
+
+ if (!Parse_ScalarConstant(parseState, vec+2)) /* Z */
+ return GL_FALSE;
+
+ if (Parse_String(parseState, "}")) {
+ return GL_TRUE;
+ }
+
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected comma in vector constant");
+
+ if (!Parse_ScalarConstant(parseState, vec+3)) /* W */
+ return GL_FALSE;
+
+ if (!Parse_String(parseState, "}"))
+ RETURN_ERROR1("Expected closing brace in vector constant");
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse <number>, <varname> or {a, b, c, d}.
+ * Return number of values in the vector or scalar, or zero if parse error.
+ */
+static GLuint
+Parse_VectorOrScalarConstant(struct parse_state *parseState, GLfloat *vec)
+{
+ if (Parse_String(parseState, "{")) {
+ return Parse_VectorConstant(parseState, vec);
+ }
+ else {
+ GLboolean b = Parse_ScalarConstant(parseState, vec);
+ if (b) {
+ vec[1] = vec[2] = vec[3] = vec[0];
+ }
+ return b;
+ }
+}
+
+
+/**
+ * Parse a texture image source:
+ * [TEX0 | TEX1 | .. | TEX15] , [1D | 2D | 3D | CUBE | RECT]
+ */
+static GLboolean
+Parse_TextureImageId(struct parse_state *parseState,
+ GLubyte *texUnit, GLubyte *texTargetBit)
+{
+ GLubyte imageSrc[100];
+ GLint unit;
+
+ if (!Parse_Token(parseState, imageSrc))
+ RETURN_ERROR;
+
+ if (imageSrc[0] != 'T' ||
+ imageSrc[1] != 'E' ||
+ imageSrc[2] != 'X') {
+ RETURN_ERROR1("Expected TEX# source");
+ }
+ unit = atoi((const char *) imageSrc + 3);
+ if ((unit < 0 || unit > MAX_TEXTURE_IMAGE_UNITS) ||
+ (unit == 0 && (imageSrc[3] != '0' || imageSrc[4] != 0))) {
+ RETURN_ERROR1("Invalied TEX# source index");
+ }
+ *texUnit = unit;
+
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+
+ if (Parse_String(parseState, "1D")) {
+ *texTargetBit = TEXTURE_1D_BIT;
+ }
+ else if (Parse_String(parseState, "2D")) {
+ *texTargetBit = TEXTURE_2D_BIT;
+ }
+ else if (Parse_String(parseState, "3D")) {
+ *texTargetBit = TEXTURE_3D_BIT;
+ }
+ else if (Parse_String(parseState, "CUBE")) {
+ *texTargetBit = TEXTURE_CUBE_BIT;
+ }
+ else if (Parse_String(parseState, "RECT")) {
+ *texTargetBit = TEXTURE_RECT_BIT;
+ }
+ else {
+ RETURN_ERROR1("Invalid texture target token");
+ }
+
+ /* update record of referenced texture units */
+ parseState->texturesUsed[*texUnit] |= *texTargetBit;
+ if (_mesa_bitcount(parseState->texturesUsed[*texUnit]) > 1) {
+ RETURN_ERROR1("Only one texture target can be used per texture unit.");
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse a scalar suffix like .x, .y, .z or .w or parse a swizzle suffix
+ * like .wxyz, .xxyy, etc and return the swizzle indexes.
+ */
+static GLboolean
+Parse_SwizzleSuffix(const GLubyte *token, GLuint swizzle[4])
+{
+ if (token[1] == 0) {
+ /* single letter swizzle (scalar) */
+ if (token[0] == 'x')
+ ASSIGN_4V(swizzle, 0, 0, 0, 0);
+ else if (token[0] == 'y')
+ ASSIGN_4V(swizzle, 1, 1, 1, 1);
+ else if (token[0] == 'z')
+ ASSIGN_4V(swizzle, 2, 2, 2, 2);
+ else if (token[0] == 'w')
+ ASSIGN_4V(swizzle, 3, 3, 3, 3);
+ else
+ return GL_FALSE;
+ }
+ else {
+ /* 4-component swizzle (vector) */
+ GLint k;
+ for (k = 0; k < 4 && token[k]; k++) {
+ if (token[k] == 'x')
+ swizzle[k] = 0;
+ else if (token[k] == 'y')
+ swizzle[k] = 1;
+ else if (token[k] == 'z')
+ swizzle[k] = 2;
+ else if (token[k] == 'w')
+ swizzle[k] = 3;
+ else
+ return GL_FALSE;
+ }
+ if (k != 4)
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_CondCodeMask(struct parse_state *parseState,
+ struct prog_dst_register *dstReg)
+{
+ if (Parse_String(parseState, "EQ"))
+ dstReg->CondMask = COND_EQ;
+ else if (Parse_String(parseState, "GE"))
+ dstReg->CondMask = COND_GE;
+ else if (Parse_String(parseState, "GT"))
+ dstReg->CondMask = COND_GT;
+ else if (Parse_String(parseState, "LE"))
+ dstReg->CondMask = COND_LE;
+ else if (Parse_String(parseState, "LT"))
+ dstReg->CondMask = COND_LT;
+ else if (Parse_String(parseState, "NE"))
+ dstReg->CondMask = COND_NE;
+ else if (Parse_String(parseState, "TR"))
+ dstReg->CondMask = COND_TR;
+ else if (Parse_String(parseState, "FL"))
+ dstReg->CondMask = COND_FL;
+ else
+ RETURN_ERROR1("Invalid condition code mask");
+
+ /* look for optional .xyzw swizzle */
+ if (Parse_String(parseState, ".")) {
+ GLubyte token[100];
+ GLuint swz[4];
+
+ if (!Parse_Token(parseState, token)) /* get xyzw suffix */
+ RETURN_ERROR;
+
+ if (!Parse_SwizzleSuffix(token, swz))
+ RETURN_ERROR1("Invalid swizzle suffix");
+
+ dstReg->CondSwizzle = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse a temporary register: Rnn or Hnn
+ */
+static GLboolean
+Parse_TempReg(struct parse_state *parseState, GLint *tempRegNum)
+{
+ GLubyte token[100];
+
+ /* Should be 'R##' or 'H##' */
+ if (!Parse_Token(parseState, token))
+ RETURN_ERROR;
+ if (token[0] != 'R' && token[0] != 'H')
+ RETURN_ERROR1("Expected R## or H##");
+
+ if (IsDigit(token[1])) {
+ GLint reg = atoi((const char *) (token + 1));
+ if (token[0] == 'H')
+ reg += 32;
+ if (reg >= MAX_NV_FRAGMENT_PROGRAM_TEMPS)
+ RETURN_ERROR1("Invalid temporary register name");
+ *tempRegNum = reg;
+ }
+ else {
+ RETURN_ERROR1("Invalid temporary register name");
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse a write-only dummy register: RC or HC.
+ */
+static GLboolean
+Parse_DummyReg(struct parse_state *parseState, GLint *regNum)
+{
+ if (Parse_String(parseState, "RC")) {
+ *regNum = 0;
+ }
+ else if (Parse_String(parseState, "HC")) {
+ *regNum = 1;
+ }
+ else {
+ RETURN_ERROR1("Invalid write-only register name");
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse a program local parameter register "p[##]"
+ */
+static GLboolean
+Parse_ProgramParamReg(struct parse_state *parseState, GLint *regNum)
+{
+ GLubyte token[100];
+
+ if (!Parse_String(parseState, "p["))
+ RETURN_ERROR1("Expected p[");
+
+ if (!Parse_Token(parseState, token))
+ RETURN_ERROR;
+
+ if (IsDigit(token[0])) {
+ /* a numbered program parameter register */
+ GLint reg = atoi((const char *) token);
+ if (reg >= MAX_NV_FRAGMENT_PROGRAM_PARAMS)
+ RETURN_ERROR1("Invalid constant program number");
+ *regNum = reg;
+ }
+ else {
+ RETURN_ERROR;
+ }
+
+ if (!Parse_String(parseState, "]"))
+ RETURN_ERROR1("Expected ]");
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Parse f[name] - fragment input register
+ */
+static GLboolean
+Parse_FragReg(struct parse_state *parseState, GLint *tempRegNum)
+{
+ GLubyte token[100];
+ GLint j;
+
+ /* Match 'f[' */
+ if (!Parse_String(parseState, "f["))
+ RETURN_ERROR1("Expected f[");
+
+ /* get <name> and look for match */
+ if (!Parse_Token(parseState, token)) {
+ RETURN_ERROR;
+ }
+ for (j = 0; InputRegisters[j]; j++) {
+ if (strcmp((const char *) token, InputRegisters[j]) == 0) {
+ *tempRegNum = j;
+ parseState->inputsRead |= (1 << j);
+ break;
+ }
+ }
+ if (!InputRegisters[j]) {
+ /* unknown input register label */
+ RETURN_ERROR2("Invalid register name", token);
+ }
+
+ /* Match '[' */
+ if (!Parse_String(parseState, "]"))
+ RETURN_ERROR1("Expected ]");
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
+{
+ GLubyte token[100];
+
+ /* Match "o[" */
+ if (!Parse_String(parseState, "o["))
+ RETURN_ERROR1("Expected o[");
+
+ /* Get output reg name */
+ if (!Parse_Token(parseState, token))
+ RETURN_ERROR;
+
+ /* try to match an output register name */
+ if (strcmp((char *) token, "COLR") == 0 ||
+ strcmp((char *) token, "COLH") == 0) {
+ /* note that we don't distinguish between COLR and COLH */
+ *outputRegNum = FRAG_RESULT_COLOR;
+ parseState->outputsWritten |= (1 << FRAG_RESULT_COLOR);
+ }
+ else if (strcmp((char *) token, "DEPR") == 0) {
+ *outputRegNum = FRAG_RESULT_DEPTH;
+ parseState->outputsWritten |= (1 << FRAG_RESULT_DEPTH);
+ }
+ else {
+ RETURN_ERROR1("Invalid output register name");
+ }
+
+ /* Match ']' */
+ if (!Parse_String(parseState, "]"))
+ RETURN_ERROR1("Expected ]");
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_MaskedDstReg(struct parse_state *parseState,
+ struct prog_dst_register *dstReg)
+{
+ GLubyte token[100];
+ GLint idx;
+
+ /* Dst reg can be R<n>, H<n>, o[n], RC or HC */
+ if (!Peek_Token(parseState, token))
+ RETURN_ERROR;
+
+ if (strcmp((const char *) token, "RC") == 0 ||
+ strcmp((const char *) token, "HC") == 0) {
+ /* a write-only register */
+ dstReg->File = PROGRAM_WRITE_ONLY;
+ if (!Parse_DummyReg(parseState, &idx))
+ RETURN_ERROR;
+ dstReg->Index = idx;
+ }
+ else if (token[0] == 'R' || token[0] == 'H') {
+ /* a temporary register */
+ dstReg->File = PROGRAM_TEMPORARY;
+ if (!Parse_TempReg(parseState, &idx))
+ RETURN_ERROR;
+ dstReg->Index = idx;
+ }
+ else if (token[0] == 'o') {
+ /* an output register */
+ dstReg->File = PROGRAM_OUTPUT;
+ if (!Parse_OutputReg(parseState, &idx))
+ RETURN_ERROR;
+ dstReg->Index = idx;
+ }
+ else {
+ RETURN_ERROR1("Invalid destination register name");
+ }
+
+ /* Parse optional write mask */
+ if (Parse_String(parseState, ".")) {
+ /* got a mask */
+ GLint k = 0;
+
+ if (!Parse_Token(parseState, token)) /* get xyzw writemask */
+ RETURN_ERROR;
+
+ dstReg->WriteMask = 0;
+
+ if (token[k] == 'x') {
+ dstReg->WriteMask |= WRITEMASK_X;
+ k++;
+ }
+ if (token[k] == 'y') {
+ dstReg->WriteMask |= WRITEMASK_Y;
+ k++;
+ }
+ if (token[k] == 'z') {
+ dstReg->WriteMask |= WRITEMASK_Z;
+ k++;
+ }
+ if (token[k] == 'w') {
+ dstReg->WriteMask |= WRITEMASK_W;
+ k++;
+ }
+ if (k == 0) {
+ RETURN_ERROR1("Invalid writemask character");
+ }
+
+ }
+ else {
+ dstReg->WriteMask = WRITEMASK_XYZW;
+ }
+
+ /* optional condition code mask */
+ if (Parse_String(parseState, "(")) {
+ /* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".x|y|z|w) */
+ /* ("EQ" | "GE" | "GT" | "LE" | "LT" | "NE" | "TR" | "FL".[xyzw]) */
+ if (!Parse_CondCodeMask(parseState, dstReg))
+ RETURN_ERROR;
+
+ if (!Parse_String(parseState, ")")) /* consume ")" */
+ RETURN_ERROR1("Expected )");
+
+ return GL_TRUE;
+ }
+ else {
+ /* no cond code mask */
+ dstReg->CondMask = COND_TR;
+ dstReg->CondSwizzle = SWIZZLE_NOOP;
+ return GL_TRUE;
+ }
+}
+
+
+/**
+ * Parse a vector source (register, constant, etc):
+ * <vectorSrc> ::= <absVectorSrc>
+ * | <baseVectorSrc>
+ * <absVectorSrc> ::= <negate> "|" <baseVectorSrc> "|"
+ */
+static GLboolean
+Parse_VectorSrc(struct parse_state *parseState,
+ struct prog_src_register *srcReg)
+{
+ GLfloat sign = 1.0F;
+ GLubyte token[100];
+ GLint idx;
+ GLuint negateBase, negateAbs;
+
+ /*
+ * First, take care of +/- and absolute value stuff.
+ */
+ if (Parse_String(parseState, "-"))
+ sign = -1.0F;
+ else if (Parse_String(parseState, "+"))
+ sign = +1.0F;
+
+ if (Parse_String(parseState, "|")) {
+ srcReg->Abs = GL_TRUE;
+ negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+
+ if (Parse_String(parseState, "-"))
+ negateBase = NEGATE_XYZW;
+ else if (Parse_String(parseState, "+"))
+ negateBase = NEGATE_NONE;
+ else
+ negateBase = NEGATE_NONE;
+ }
+ else {
+ srcReg->Abs = GL_FALSE;
+ negateAbs = NEGATE_NONE;
+ negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+ }
+
+ srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
+
+ /* This should be the real src vector/register name */
+ if (!Peek_Token(parseState, token))
+ RETURN_ERROR;
+
+ /* Src reg can be Rn, Hn, f[n], p[n], a named parameter, a scalar
+ * literal or vector literal.
+ */
+ if (token[0] == 'R' || token[0] == 'H') {
+ srcReg->File = PROGRAM_TEMPORARY;
+ if (!Parse_TempReg(parseState, &idx))
+ RETURN_ERROR;
+ srcReg->Index = idx;
+ }
+ else if (token[0] == 'f') {
+ /* XXX this might be an identifier! */
+ srcReg->File = PROGRAM_INPUT;
+ if (!Parse_FragReg(parseState, &idx))
+ RETURN_ERROR;
+ srcReg->Index = idx;
+ }
+ else if (token[0] == 'p') {
+ /* XXX this might be an identifier! */
+ srcReg->File = PROGRAM_LOCAL_PARAM;
+ if (!Parse_ProgramParamReg(parseState, &idx))
+ RETURN_ERROR;
+ srcReg->Index = idx;
+ }
+ else if (IsLetter(token[0])){
+ GLubyte ident[100];
+ GLint paramIndex;
+ if (!Parse_Identifier(parseState, ident))
+ RETURN_ERROR;
+ paramIndex = _mesa_lookup_parameter_index(parseState->parameters,
+ -1, (const char *) ident);
+ if (paramIndex < 0) {
+ RETURN_ERROR2("Undefined constant or parameter: ", ident);
+ }
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ srcReg->Index = paramIndex;
+ }
+ else if (IsDigit(token[0]) || token[0] == '-' || token[0] == '+' || token[0] == '.'){
+ /* literal scalar constant */
+ GLfloat values[4];
+ GLuint paramIndex;
+ if (!Parse_ScalarConstant(parseState, values))
+ RETURN_ERROR;
+ paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
+ (gl_constant_value *) values,
+ 4, NULL);
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ srcReg->Index = paramIndex;
+ }
+ else if (token[0] == '{'){
+ /* literal vector constant */
+ GLfloat values[4];
+ GLuint paramIndex;
+ (void) Parse_String(parseState, "{");
+ if (!Parse_VectorConstant(parseState, values))
+ RETURN_ERROR;
+ paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
+ (gl_constant_value *) values,
+ 4, NULL);
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ srcReg->Index = paramIndex;
+ }
+ else {
+ RETURN_ERROR2("Invalid source register name", token);
+ }
+
+ /* init swizzle fields */
+ srcReg->Swizzle = SWIZZLE_NOOP;
+
+ /* Look for optional swizzle suffix */
+ if (Parse_String(parseState, ".")) {
+ GLuint swz[4];
+
+ if (!Parse_Token(parseState, token))
+ RETURN_ERROR;
+
+ if (!Parse_SwizzleSuffix(token, swz))
+ RETURN_ERROR1("Invalid swizzle suffix");
+
+ srcReg->Swizzle = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
+ }
+
+ /* Finish absolute value */
+ if (srcReg->Abs && !Parse_String(parseState, "|")) {
+ RETURN_ERROR1("Expected |");
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_ScalarSrcReg(struct parse_state *parseState,
+ struct prog_src_register *srcReg)
+{
+ GLubyte token[100];
+ GLfloat sign = 1.0F;
+ GLboolean needSuffix = GL_TRUE;
+ GLint idx;
+ GLuint negateBase, negateAbs;
+
+ /*
+ * First, take care of +/- and absolute value stuff.
+ */
+ if (Parse_String(parseState, "-"))
+ sign = -1.0F;
+ else if (Parse_String(parseState, "+"))
+ sign = +1.0F;
+
+ if (Parse_String(parseState, "|")) {
+ srcReg->Abs = GL_TRUE;
+ negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+
+ if (Parse_String(parseState, "-"))
+ negateBase = NEGATE_XYZW;
+ else if (Parse_String(parseState, "+"))
+ negateBase = NEGATE_NONE;
+ else
+ negateBase = NEGATE_NONE;
+ }
+ else {
+ srcReg->Abs = GL_FALSE;
+ negateAbs = NEGATE_NONE;
+ negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+ }
+
+ srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
+
+ if (!Peek_Token(parseState, token))
+ RETURN_ERROR;
+
+ /* Src reg can be R<n>, H<n> or a named fragment attrib */
+ if (token[0] == 'R' || token[0] == 'H') {
+ srcReg->File = PROGRAM_TEMPORARY;
+ if (!Parse_TempReg(parseState, &idx))
+ RETURN_ERROR;
+ srcReg->Index = idx;
+ }
+ else if (token[0] == 'f') {
+ srcReg->File = PROGRAM_INPUT;
+ if (!Parse_FragReg(parseState, &idx))
+ RETURN_ERROR;
+ srcReg->Index = idx;
+ }
+ else if (token[0] == '{') {
+ /* vector literal */
+ GLfloat values[4];
+ GLuint paramIndex;
+ (void) Parse_String(parseState, "{");
+ if (!Parse_VectorConstant(parseState, values))
+ RETURN_ERROR;
+ paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
+ (gl_constant_value *) values,
+ 4, NULL);
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ srcReg->Index = paramIndex;
+ }
+ else if (IsLetter(token[0])){
+ /* named param/constant */
+ GLubyte ident[100];
+ GLint paramIndex;
+ if (!Parse_Identifier(parseState, ident))
+ RETURN_ERROR;
+ paramIndex = _mesa_lookup_parameter_index(parseState->parameters,
+ -1, (const char *) ident);
+ if (paramIndex < 0) {
+ RETURN_ERROR2("Undefined constant or parameter: ", ident);
+ }
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ srcReg->Index = paramIndex;
+ }
+ else if (IsDigit(token[0])) {
+ /* scalar literal */
+ GLfloat values[4];
+ GLuint paramIndex;
+ if (!Parse_ScalarConstant(parseState, values))
+ RETURN_ERROR;
+ paramIndex = _mesa_add_unnamed_constant(parseState->parameters,
+ (gl_constant_value *) values,
+ 4, NULL);
+ srcReg->Index = paramIndex;
+ srcReg->File = PROGRAM_NAMED_PARAM;
+ needSuffix = GL_FALSE;
+ }
+ else {
+ RETURN_ERROR2("Invalid scalar source argument", token);
+ }
+
+ srcReg->Swizzle = 0;
+ if (needSuffix) {
+ /* parse .[xyzw] suffix */
+ if (!Parse_String(parseState, "."))
+ RETURN_ERROR1("Expected .");
+
+ if (!Parse_Token(parseState, token))
+ RETURN_ERROR;
+
+ if (token[0] == 'x' && token[1] == 0) {
+ srcReg->Swizzle = 0;
+ }
+ else if (token[0] == 'y' && token[1] == 0) {
+ srcReg->Swizzle = 1;
+ }
+ else if (token[0] == 'z' && token[1] == 0) {
+ srcReg->Swizzle = 2;
+ }
+ else if (token[0] == 'w' && token[1] == 0) {
+ srcReg->Swizzle = 3;
+ }
+ else {
+ RETURN_ERROR1("Invalid scalar source suffix");
+ }
+ }
+
+ /* Finish absolute value */
+ if (srcReg->Abs && !Parse_String(parseState, "|")) {
+ RETURN_ERROR1("Expected |");
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_PrintInstruction(struct parse_state *parseState,
+ struct prog_instruction *inst)
+{
+ const GLubyte *str;
+ GLubyte *msg;
+ GLuint len;
+ GLint idx;
+
+ /* The first argument is a literal string 'just like this' */
+ if (!Parse_String(parseState, "'"))
+ RETURN_ERROR1("Expected '");
+
+ str = parseState->pos;
+ for (len = 0; str[len] != '\''; len++) /* find closing quote */
+ ;
+ parseState->pos += len + 1;
+ msg = (GLubyte*) malloc(len + 1);
+
+ memcpy(msg, str, len);
+ msg[len] = 0;
+ inst->Data = msg;
+
+ if (Parse_String(parseState, ",")) {
+ /* got an optional register to print */
+ GLubyte token[100];
+ GetToken(parseState, token);
+ if (token[0] == 'o') {
+ /* dst reg */
+ if (!Parse_OutputReg(parseState, &idx))
+ RETURN_ERROR;
+ inst->SrcReg[0].Index = idx;
+ inst->SrcReg[0].File = PROGRAM_OUTPUT;
+ }
+ else {
+ /* src reg */
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ }
+ }
+ else {
+ inst->SrcReg[0].File = PROGRAM_UNDEFINED;
+ }
+
+ inst->SrcReg[0].Swizzle = SWIZZLE_NOOP;
+ inst->SrcReg[0].Abs = GL_FALSE;
+ inst->SrcReg[0].Negate = NEGATE_NONE;
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+Parse_InstructionSequence(struct parse_state *parseState,
+ struct prog_instruction program[])
+{
+ while (1) {
+ struct prog_instruction *inst = program + parseState->numInst;
+ struct instruction_pattern instMatch;
+ GLubyte token[100];
+
+ /* Initialize the instruction */
+ _mesa_init_instructions(inst, 1);
+
+ /* special instructions */
+ if (Parse_String(parseState, "DEFINE")) {
+ GLubyte id[100];
+ GLfloat value[7]; /* yes, 7 to be safe */
+ if (!Parse_Identifier(parseState, id))
+ RETURN_ERROR;
+ /* XXX make sure id is not a reserved identifer, like R9 */
+ if (!Parse_String(parseState, "="))
+ RETURN_ERROR1("Expected =");
+ if (!Parse_VectorOrScalarConstant(parseState, value))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ";"))
+ RETURN_ERROR1("Expected ;");
+ if (_mesa_lookup_parameter_index(parseState->parameters,
+ -1, (const char *) id) >= 0) {
+ RETURN_ERROR2(id, "already defined");
+ }
+ _mesa_add_named_parameter(parseState->parameters,
+ (const char *) id,
+ (gl_constant_value *) value);
+ }
+ else if (Parse_String(parseState, "DECLARE")) {
+ GLubyte id[100];
+ GLfloat value[7] = {0, 0, 0, 0, 0, 0, 0}; /* yes, to be safe */
+ if (!Parse_Identifier(parseState, id))
+ RETURN_ERROR;
+ /* XXX make sure id is not a reserved identifer, like R9 */
+ if (Parse_String(parseState, "=")) {
+ if (!Parse_VectorOrScalarConstant(parseState, value))
+ RETURN_ERROR;
+ }
+ if (!Parse_String(parseState, ";"))
+ RETURN_ERROR1("Expected ;");
+ if (_mesa_lookup_parameter_index(parseState->parameters,
+ -1, (const char *) id) >= 0) {
+ RETURN_ERROR2(id, "already declared");
+ }
+ _mesa_add_named_parameter(parseState->parameters,
+ (const char *) id,
+ (gl_constant_value *) value);
+ }
+ else if (Parse_String(parseState, "END")) {
+ inst->Opcode = OPCODE_END;
+ parseState->numInst++;
+ if (Parse_Token(parseState, token)) {
+ RETURN_ERROR1("Code after END opcode.");
+ }
+ break;
+ }
+ else {
+ /* general/arithmetic instruction */
+
+ /* get token */
+ if (!Parse_Token(parseState, token)) {
+ RETURN_ERROR1("Missing END instruction.");
+ }
+
+ /* try to find matching instuction */
+ instMatch = MatchInstruction(token);
+ if (instMatch.opcode >= MAX_OPCODE) {
+ /* bad instruction name */
+ RETURN_ERROR2("Unexpected token: ", token);
+ }
+
+ inst->Opcode = instMatch.opcode;
+ inst->Precision = instMatch.suffixes & (_R | _H | _X);
+ inst->SaturateMode = (instMatch.suffixes & (_S))
+ ? SATURATE_ZERO_ONE : SATURATE_OFF;
+ inst->CondUpdate = (instMatch.suffixes & (_C)) ? GL_TRUE : GL_FALSE;
+
+ /*
+ * parse the input and output operands
+ */
+ if (instMatch.outputs == OUTPUT_S || instMatch.outputs == OUTPUT_V) {
+ if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ }
+ else if (instMatch.outputs == OUTPUT_NONE) {
+ if (instMatch.opcode == OPCODE_KIL_NV) {
+ /* This is a little weird, the cond code info is in
+ * the dest register.
+ */
+ if (!Parse_CondCodeMask(parseState, &inst->DstReg))
+ RETURN_ERROR;
+ }
+ else {
+ ASSERT(instMatch.opcode == OPCODE_PRINT);
+ }
+ }
+
+ if (instMatch.inputs == INPUT_1V) {
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ }
+ else if (instMatch.inputs == INPUT_2V) {
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
+ RETURN_ERROR;
+ }
+ else if (instMatch.inputs == INPUT_3V) {
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[2]))
+ RETURN_ERROR;
+ }
+ else if (instMatch.inputs == INPUT_1S) {
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ }
+ else if (instMatch.inputs == INPUT_2S) {
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[1]))
+ RETURN_ERROR;
+ }
+ else if (instMatch.inputs == INPUT_CC) {
+ /* XXX to-do */
+ }
+ else if (instMatch.inputs == INPUT_1V_T) {
+ GLubyte unit, idx;
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_TextureImageId(parseState, &unit, &idx))
+ RETURN_ERROR;
+ inst->TexSrcUnit = unit;
+ inst->TexSrcTarget = idx;
+ }
+ else if (instMatch.inputs == INPUT_3V_T) {
+ GLubyte unit, idx;
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[1]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_VectorSrc(parseState, &inst->SrcReg[2]))
+ RETURN_ERROR;
+ if (!Parse_String(parseState, ","))
+ RETURN_ERROR1("Expected ,");
+ if (!Parse_TextureImageId(parseState, &unit, &idx))
+ RETURN_ERROR;
+ inst->TexSrcUnit = unit;
+ inst->TexSrcTarget = idx;
+ }
+ else if (instMatch.inputs == INPUT_1V_S) {
+ if (!Parse_PrintInstruction(parseState, inst))
+ RETURN_ERROR;
+ }
+
+ /* end of statement semicolon */
+ if (!Parse_String(parseState, ";"))
+ RETURN_ERROR1("Expected ;");
+
+ parseState->numInst++;
+
+ if (parseState->numInst >= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS)
+ RETURN_ERROR1("Program too long");
+ }
+ }
+ return GL_TRUE;
+}
+
+
+
+/**
+ * Parse/compile the 'str' returning the compiled 'program'.
+ * ctx->Program.ErrorPos will be -1 if successful. Otherwise, ErrorPos
+ * indicates the position of the error in 'str'.
+ */
+void
+_mesa_parse_nv_fragment_program(struct gl_context *ctx, GLenum dstTarget,
+ const GLubyte *str, GLsizei len,
+ struct gl_fragment_program *program)
+{
+ struct parse_state parseState;
+ struct prog_instruction instBuffer[MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS];
+ struct prog_instruction *newInst;
+ GLenum target;
+ GLubyte *programString;
+
+ /* Make a null-terminated copy of the program string */
+ programString = (GLubyte *) MALLOC(len + 1);
+ if (!programString) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
+ return;
+ }
+ memcpy(programString, str, len);
+ programString[len] = 0;
+
+ /* Get ready to parse */
+ memset(&parseState, 0, sizeof(struct parse_state));
+ parseState.ctx = ctx;
+ parseState.start = programString;
+ parseState.program = program;
+ parseState.numInst = 0;
+ parseState.curLine = programString;
+ parseState.parameters = _mesa_new_parameter_list();
+
+ /* Reset error state */
+ _mesa_set_program_error(ctx, -1, NULL);
+
+ /* check the program header */
+ if (strncmp((const char *) programString, "!!FP1.0", 7) == 0) {
+ target = GL_FRAGMENT_PROGRAM_NV;
+ parseState.pos = programString + 7;
+ }
+ else if (strncmp((const char *) programString, "!!FCP1.0", 8) == 0) {
+ /* fragment / register combiner program - not supported */
+ _mesa_set_program_error(ctx, 0, "Invalid fragment program header");
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(bad header)");
+ return;
+ }
+ else {
+ /* invalid header */
+ _mesa_set_program_error(ctx, 0, "Invalid fragment program header");
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(bad header)");
+ return;
+ }
+
+ /* make sure target and header match */
+ if (target != dstTarget) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glLoadProgramNV(target mismatch 0x%x != 0x%x)",
+ target, dstTarget);
+ return;
+ }
+
+ if (Parse_InstructionSequence(&parseState, instBuffer)) {
+ GLuint u;
+ /* successful parse! */
+
+ if (parseState.outputsWritten == 0) {
+ /* must write at least one output! */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "Invalid fragment program - no outputs written.");
+ return;
+ }
+
+ /* copy the compiled instructions */
+ assert(parseState.numInst <= MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS);
+ newInst = _mesa_alloc_instructions(parseState.numInst);
+ if (!newInst) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
+ return; /* out of memory */
+ }
+ _mesa_copy_instructions(newInst, instBuffer, parseState.numInst);
+
+ /* install the program */
+ program->Base.Target = target;
+ if (program->Base.String) {
+ FREE(program->Base.String);
+ }
+ program->Base.String = programString;
+ program->Base.Format = GL_PROGRAM_FORMAT_ASCII_ARB;
+ if (program->Base.Instructions) {
+ free(program->Base.Instructions);
+ }
+ program->Base.Instructions = newInst;
+ program->Base.NumInstructions = parseState.numInst;
+ program->Base.InputsRead = parseState.inputsRead;
+ program->Base.OutputsWritten = parseState.outputsWritten;
+ for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++)
+ program->Base.TexturesUsed[u] = parseState.texturesUsed[u];
+
+ /* save program parameters */
+ program->Base.Parameters = parseState.parameters;
+
+ /* allocate registers for declared program parameters */
+#if 00
+ _mesa_assign_program_registers(&(program->SymbolTable));
+#endif
+
+#ifdef DEBUG_foo
+ printf("--- glLoadProgramNV(%d) result ---\n", program->Base.Id);
+ _mesa_fprint_program_opt(stdout, &program->Base, PROG_PRINT_NV, 0);
+ printf("----------------------------------\n");
+#endif
+ }
+ else {
+ /* Error! */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV");
+ /* NOTE: _mesa_set_program_error would have been called already */
+ }
+}
+
+
+const char *
+_mesa_nv_fragment_input_register_name(GLuint i)
+{
+ ASSERT(i < MAX_NV_FRAGMENT_PROGRAM_INPUTS);
+ return InputRegisters[i];
+}
+
diff --git a/mesalib/src/mesa/program/prog_execute.c b/mesalib/src/mesa/program/prog_execute.c
index 28a3e1e20..dbfd1b918 100644
--- a/mesalib/src/mesa/program/prog_execute.c
+++ b/mesalib/src/mesa/program/prog_execute.c
@@ -1,1895 +1,1895 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.3
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file prog_execute.c
- * Software interpreter for vertex/fragment programs.
- * \author Brian Paul
- */
-
-/*
- * NOTE: we do everything in single-precision floating point; we don't
- * currently observe the single/half/fixed-precision qualifiers.
- *
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "prog_execute.h"
-#include "prog_instruction.h"
-#include "prog_parameter.h"
-#include "prog_print.h"
-#include "prog_noise.h"
-
-
-/* debug predicate */
-#define DEBUG_PROG 0
-
-
-/**
- * Set x to positive or negative infinity.
- */
-#if defined(USE_IEEE) || defined(_WIN32)
-#define SET_POS_INFINITY(x) \
- do { \
- fi_type fi; \
- fi.i = 0x7F800000; \
- x = fi.f; \
- } while (0)
-#define SET_NEG_INFINITY(x) \
- do { \
- fi_type fi; \
- fi.i = 0xFF800000; \
- x = fi.f; \
- } while (0)
-#elif defined(VMS)
-#define SET_POS_INFINITY(x) x = __MAXFLOAT
-#define SET_NEG_INFINITY(x) x = -__MAXFLOAT
-#else
-#define SET_POS_INFINITY(x) x = (GLfloat) HUGE_VAL
-#define SET_NEG_INFINITY(x) x = (GLfloat) -HUGE_VAL
-#endif
-
-#define SET_FLOAT_BITS(x, bits) ((fi_type *) (void *) &(x))->i = bits
-
-
-static const GLfloat ZeroVec[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
-
-
-
-/**
- * Return TRUE for +0 and other positive values, FALSE otherwise.
- * Used for RCC opcode.
- */
-static INLINE GLboolean
-positive(float x)
-{
- fi_type fi;
- fi.f = x;
- if (fi.i & 0x80000000)
- return GL_FALSE;
- return GL_TRUE;
-}
-
-
-
-/**
- * Return a pointer to the 4-element float vector specified by the given
- * source register.
- */
-static INLINE const GLfloat *
-get_src_register_pointer(const struct prog_src_register *source,
- const struct gl_program_machine *machine)
-{
- const struct gl_program *prog = machine->CurProgram;
- GLint reg = source->Index;
-
- if (source->RelAddr) {
- /* add address register value to src index/offset */
- reg += machine->AddressReg[0][0];
- if (reg < 0) {
- return ZeroVec;
- }
- }
-
- switch (source->File) {
- case PROGRAM_TEMPORARY:
- if (reg >= MAX_PROGRAM_TEMPS)
- return ZeroVec;
- return machine->Temporaries[reg];
-
- case PROGRAM_INPUT:
- if (prog->Target == GL_VERTEX_PROGRAM_ARB) {
- if (reg >= VERT_ATTRIB_MAX)
- return ZeroVec;
- return machine->VertAttribs[reg];
- }
- else {
- if (reg >= FRAG_ATTRIB_MAX)
- return ZeroVec;
- return machine->Attribs[reg][machine->CurElement];
- }
-
- case PROGRAM_OUTPUT:
- if (reg >= MAX_PROGRAM_OUTPUTS)
- return ZeroVec;
- return machine->Outputs[reg];
-
- case PROGRAM_LOCAL_PARAM:
- if (reg >= MAX_PROGRAM_LOCAL_PARAMS)
- return ZeroVec;
- return machine->CurProgram->LocalParams[reg];
-
- case PROGRAM_ENV_PARAM:
- if (reg >= MAX_PROGRAM_ENV_PARAMS)
- return ZeroVec;
- return machine->EnvParams[reg];
-
- case PROGRAM_STATE_VAR:
- /* Fallthrough */
- case PROGRAM_CONSTANT:
- /* Fallthrough */
- case PROGRAM_UNIFORM:
- /* Fallthrough */
- case PROGRAM_NAMED_PARAM:
- if (reg >= (GLint) prog->Parameters->NumParameters)
- return ZeroVec;
- return prog->Parameters->ParameterValues[reg];
-
- case PROGRAM_SYSTEM_VALUE:
- assert(reg < Elements(machine->SystemValues));
- return machine->SystemValues[reg];
-
- default:
- _mesa_problem(NULL,
- "Invalid src register file %d in get_src_register_pointer()",
- source->File);
- return NULL;
- }
-}
-
-
-/**
- * Return a pointer to the 4-element float vector specified by the given
- * destination register.
- */
-static INLINE GLfloat *
-get_dst_register_pointer(const struct prog_dst_register *dest,
- struct gl_program_machine *machine)
-{
- static GLfloat dummyReg[4];
- GLint reg = dest->Index;
-
- if (dest->RelAddr) {
- /* add address register value to src index/offset */
- reg += machine->AddressReg[0][0];
- if (reg < 0) {
- return dummyReg;
- }
- }
-
- switch (dest->File) {
- case PROGRAM_TEMPORARY:
- if (reg >= MAX_PROGRAM_TEMPS)
- return dummyReg;
- return machine->Temporaries[reg];
-
- case PROGRAM_OUTPUT:
- if (reg >= MAX_PROGRAM_OUTPUTS)
- return dummyReg;
- return machine->Outputs[reg];
-
- case PROGRAM_WRITE_ONLY:
- return dummyReg;
-
- default:
- _mesa_problem(NULL,
- "Invalid dest register file %d in get_dst_register_pointer()",
- dest->File);
- return NULL;
- }
-}
-
-
-
-/**
- * Fetch a 4-element float vector from the given source register.
- * Apply swizzling and negating as needed.
- */
-static void
-fetch_vector4(const struct prog_src_register *source,
- const struct gl_program_machine *machine, GLfloat result[4])
-{
- const GLfloat *src = get_src_register_pointer(source, machine);
- ASSERT(src);
-
- if (source->Swizzle == SWIZZLE_NOOP) {
- /* no swizzling */
- COPY_4V(result, src);
- }
- else {
- ASSERT(GET_SWZ(source->Swizzle, 0) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 1) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 2) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 3) <= 3);
- result[0] = src[GET_SWZ(source->Swizzle, 0)];
- result[1] = src[GET_SWZ(source->Swizzle, 1)];
- result[2] = src[GET_SWZ(source->Swizzle, 2)];
- result[3] = src[GET_SWZ(source->Swizzle, 3)];
- }
-
- if (source->Abs) {
- result[0] = FABSF(result[0]);
- result[1] = FABSF(result[1]);
- result[2] = FABSF(result[2]);
- result[3] = FABSF(result[3]);
- }
- if (source->Negate) {
- ASSERT(source->Negate == NEGATE_XYZW);
- result[0] = -result[0];
- result[1] = -result[1];
- result[2] = -result[2];
- result[3] = -result[3];
- }
-
-#ifdef NAN_CHECK
- assert(!IS_INF_OR_NAN(result[0]));
- assert(!IS_INF_OR_NAN(result[0]));
- assert(!IS_INF_OR_NAN(result[0]));
- assert(!IS_INF_OR_NAN(result[0]));
-#endif
-}
-
-
-/**
- * Fetch a 4-element uint vector from the given source register.
- * Apply swizzling but not negation/abs.
- */
-static void
-fetch_vector4ui(const struct prog_src_register *source,
- const struct gl_program_machine *machine, GLuint result[4])
-{
- const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
- ASSERT(src);
-
- if (source->Swizzle == SWIZZLE_NOOP) {
- /* no swizzling */
- COPY_4V(result, src);
- }
- else {
- ASSERT(GET_SWZ(source->Swizzle, 0) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 1) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 2) <= 3);
- ASSERT(GET_SWZ(source->Swizzle, 3) <= 3);
- result[0] = src[GET_SWZ(source->Swizzle, 0)];
- result[1] = src[GET_SWZ(source->Swizzle, 1)];
- result[2] = src[GET_SWZ(source->Swizzle, 2)];
- result[3] = src[GET_SWZ(source->Swizzle, 3)];
- }
-
- /* Note: no Negate or Abs here */
-}
-
-
-
-/**
- * Fetch the derivative with respect to X or Y for the given register.
- * XXX this currently only works for fragment program input attribs.
- */
-static void
-fetch_vector4_deriv(struct gl_context * ctx,
- const struct prog_src_register *source,
- const struct gl_program_machine *machine,
- char xOrY, GLfloat result[4])
-{
- if (source->File == PROGRAM_INPUT &&
- source->Index < (GLint) machine->NumDeriv) {
- const GLint col = machine->CurElement;
- const GLfloat w = machine->Attribs[FRAG_ATTRIB_WPOS][col][3];
- const GLfloat invQ = 1.0f / w;
- GLfloat deriv[4];
-
- if (xOrY == 'X') {
- deriv[0] = machine->DerivX[source->Index][0] * invQ;
- deriv[1] = machine->DerivX[source->Index][1] * invQ;
- deriv[2] = machine->DerivX[source->Index][2] * invQ;
- deriv[3] = machine->DerivX[source->Index][3] * invQ;
- }
- else {
- deriv[0] = machine->DerivY[source->Index][0] * invQ;
- deriv[1] = machine->DerivY[source->Index][1] * invQ;
- deriv[2] = machine->DerivY[source->Index][2] * invQ;
- deriv[3] = machine->DerivY[source->Index][3] * invQ;
- }
-
- result[0] = deriv[GET_SWZ(source->Swizzle, 0)];
- result[1] = deriv[GET_SWZ(source->Swizzle, 1)];
- result[2] = deriv[GET_SWZ(source->Swizzle, 2)];
- result[3] = deriv[GET_SWZ(source->Swizzle, 3)];
-
- if (source->Abs) {
- result[0] = FABSF(result[0]);
- result[1] = FABSF(result[1]);
- result[2] = FABSF(result[2]);
- result[3] = FABSF(result[3]);
- }
- if (source->Negate) {
- ASSERT(source->Negate == NEGATE_XYZW);
- result[0] = -result[0];
- result[1] = -result[1];
- result[2] = -result[2];
- result[3] = -result[3];
- }
- }
- else {
- ASSIGN_4V(result, 0.0, 0.0, 0.0, 0.0);
- }
-}
-
-
-/**
- * As above, but only return result[0] element.
- */
-static void
-fetch_vector1(const struct prog_src_register *source,
- const struct gl_program_machine *machine, GLfloat result[4])
-{
- const GLfloat *src = get_src_register_pointer(source, machine);
- ASSERT(src);
-
- result[0] = src[GET_SWZ(source->Swizzle, 0)];
-
- if (source->Abs) {
- result[0] = FABSF(result[0]);
- }
- if (source->Negate) {
- result[0] = -result[0];
- }
-}
-
-
-static GLuint
-fetch_vector1ui(const struct prog_src_register *source,
- const struct gl_program_machine *machine)
-{
- const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
- return src[GET_SWZ(source->Swizzle, 0)];
-}
-
-
-/**
- * Fetch texel from texture. Use partial derivatives when possible.
- */
-static INLINE void
-fetch_texel(struct gl_context *ctx,
- const struct gl_program_machine *machine,
- const struct prog_instruction *inst,
- const GLfloat texcoord[4], GLfloat lodBias,
- GLfloat color[4])
-{
- const GLuint unit = machine->Samplers[inst->TexSrcUnit];
-
- /* Note: we only have the right derivatives for fragment input attribs.
- */
- if (machine->NumDeriv > 0 &&
- inst->SrcReg[0].File == PROGRAM_INPUT &&
- inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) {
- /* simple texture fetch for which we should have derivatives */
- GLuint attr = inst->SrcReg[0].Index;
- machine->FetchTexelDeriv(ctx, texcoord,
- machine->DerivX[attr],
- machine->DerivY[attr],
- lodBias, unit, color);
- }
- else {
- machine->FetchTexelLod(ctx, texcoord, lodBias, unit, color);
- }
-}
-
-
-/**
- * Test value against zero and return GT, LT, EQ or UN if NaN.
- */
-static INLINE GLuint
-generate_cc(float value)
-{
- if (value != value)
- return COND_UN; /* NaN */
- if (value > 0.0F)
- return COND_GT;
- if (value < 0.0F)
- return COND_LT;
- return COND_EQ;
-}
-
-
-/**
- * Test if the ccMaskRule is satisfied by the given condition code.
- * Used to mask destination writes according to the current condition code.
- */
-static INLINE GLboolean
-test_cc(GLuint condCode, GLuint ccMaskRule)
-{
- switch (ccMaskRule) {
- case COND_EQ: return (condCode == COND_EQ);
- case COND_NE: return (condCode != COND_EQ);
- case COND_LT: return (condCode == COND_LT);
- case COND_GE: return (condCode == COND_GT || condCode == COND_EQ);
- case COND_LE: return (condCode == COND_LT || condCode == COND_EQ);
- case COND_GT: return (condCode == COND_GT);
- case COND_TR: return GL_TRUE;
- case COND_FL: return GL_FALSE;
- default: return GL_TRUE;
- }
-}
-
-
-/**
- * Evaluate the 4 condition codes against a predicate and return GL_TRUE
- * or GL_FALSE to indicate result.
- */
-static INLINE GLboolean
-eval_condition(const struct gl_program_machine *machine,
- const struct prog_instruction *inst)
-{
- const GLuint swizzle = inst->DstReg.CondSwizzle;
- const GLuint condMask = inst->DstReg.CondMask;
- if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
- test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
- test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
- test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
-}
-
-
-
-/**
- * Store 4 floats into a register. Observe the instructions saturate and
- * set-condition-code flags.
- */
-static void
-store_vector4(const struct prog_instruction *inst,
- struct gl_program_machine *machine, const GLfloat value[4])
-{
- const struct prog_dst_register *dstReg = &(inst->DstReg);
- const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE;
- GLuint writeMask = dstReg->WriteMask;
- GLfloat clampedValue[4];
- GLfloat *dst = get_dst_register_pointer(dstReg, machine);
-
-#if 0
- if (value[0] > 1.0e10 ||
- IS_INF_OR_NAN(value[0]) ||
- IS_INF_OR_NAN(value[1]) ||
- IS_INF_OR_NAN(value[2]) || IS_INF_OR_NAN(value[3]))
- printf("store %g %g %g %g\n", value[0], value[1], value[2], value[3]);
-#endif
-
- if (clamp) {
- clampedValue[0] = CLAMP(value[0], 0.0F, 1.0F);
- clampedValue[1] = CLAMP(value[1], 0.0F, 1.0F);
- clampedValue[2] = CLAMP(value[2], 0.0F, 1.0F);
- clampedValue[3] = CLAMP(value[3], 0.0F, 1.0F);
- value = clampedValue;
- }
-
- if (dstReg->CondMask != COND_TR) {
- /* condition codes may turn off some writes */
- if (writeMask & WRITEMASK_X) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_X;
- }
- if (writeMask & WRITEMASK_Y) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_Y;
- }
- if (writeMask & WRITEMASK_Z) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_Z;
- }
- if (writeMask & WRITEMASK_W) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_W;
- }
- }
-
-#ifdef NAN_CHECK
- assert(!IS_INF_OR_NAN(value[0]));
- assert(!IS_INF_OR_NAN(value[0]));
- assert(!IS_INF_OR_NAN(value[0]));
- assert(!IS_INF_OR_NAN(value[0]));
-#endif
-
- if (writeMask & WRITEMASK_X)
- dst[0] = value[0];
- if (writeMask & WRITEMASK_Y)
- dst[1] = value[1];
- if (writeMask & WRITEMASK_Z)
- dst[2] = value[2];
- if (writeMask & WRITEMASK_W)
- dst[3] = value[3];
-
- if (inst->CondUpdate) {
- if (writeMask & WRITEMASK_X)
- machine->CondCodes[0] = generate_cc(value[0]);
- if (writeMask & WRITEMASK_Y)
- machine->CondCodes[1] = generate_cc(value[1]);
- if (writeMask & WRITEMASK_Z)
- machine->CondCodes[2] = generate_cc(value[2]);
- if (writeMask & WRITEMASK_W)
- machine->CondCodes[3] = generate_cc(value[3]);
-#if DEBUG_PROG
- printf("CondCodes=(%s,%s,%s,%s) for:\n",
- _mesa_condcode_string(machine->CondCodes[0]),
- _mesa_condcode_string(machine->CondCodes[1]),
- _mesa_condcode_string(machine->CondCodes[2]),
- _mesa_condcode_string(machine->CondCodes[3]));
-#endif
- }
-}
-
-
-/**
- * Store 4 uints into a register. Observe the set-condition-code flags.
- */
-static void
-store_vector4ui(const struct prog_instruction *inst,
- struct gl_program_machine *machine, const GLuint value[4])
-{
- const struct prog_dst_register *dstReg = &(inst->DstReg);
- GLuint writeMask = dstReg->WriteMask;
- GLuint *dst = (GLuint *) get_dst_register_pointer(dstReg, machine);
-
- if (dstReg->CondMask != COND_TR) {
- /* condition codes may turn off some writes */
- if (writeMask & WRITEMASK_X) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_X;
- }
- if (writeMask & WRITEMASK_Y) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_Y;
- }
- if (writeMask & WRITEMASK_Z) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_Z;
- }
- if (writeMask & WRITEMASK_W) {
- if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)],
- dstReg->CondMask))
- writeMask &= ~WRITEMASK_W;
- }
- }
-
- if (writeMask & WRITEMASK_X)
- dst[0] = value[0];
- if (writeMask & WRITEMASK_Y)
- dst[1] = value[1];
- if (writeMask & WRITEMASK_Z)
- dst[2] = value[2];
- if (writeMask & WRITEMASK_W)
- dst[3] = value[3];
-
- if (inst->CondUpdate) {
- if (writeMask & WRITEMASK_X)
- machine->CondCodes[0] = generate_cc((float)value[0]);
- if (writeMask & WRITEMASK_Y)
- machine->CondCodes[1] = generate_cc((float)value[1]);
- if (writeMask & WRITEMASK_Z)
- machine->CondCodes[2] = generate_cc((float)value[2]);
- if (writeMask & WRITEMASK_W)
- machine->CondCodes[3] = generate_cc((float)value[3]);
-#if DEBUG_PROG
- printf("CondCodes=(%s,%s,%s,%s) for:\n",
- _mesa_condcode_string(machine->CondCodes[0]),
- _mesa_condcode_string(machine->CondCodes[1]),
- _mesa_condcode_string(machine->CondCodes[2]),
- _mesa_condcode_string(machine->CondCodes[3]));
-#endif
- }
-}
-
-
-
-/**
- * Execute the given vertex/fragment program.
- *
- * \param ctx rendering context
- * \param program the program to execute
- * \param machine machine state (must be initialized)
- * \return GL_TRUE if program completed or GL_FALSE if program executed KIL.
- */
-GLboolean
-_mesa_execute_program(struct gl_context * ctx,
- const struct gl_program *program,
- struct gl_program_machine *machine)
-{
- const GLuint numInst = program->NumInstructions;
- const GLuint maxExec = 10000;
- GLuint pc, numExec = 0;
-
- machine->CurProgram = program;
-
- if (DEBUG_PROG) {
- printf("execute program %u --------------------\n", program->Id);
- }
-
- if (program->Target == GL_VERTEX_PROGRAM_ARB) {
- machine->EnvParams = ctx->VertexProgram.Parameters;
- }
- else {
- machine->EnvParams = ctx->FragmentProgram.Parameters;
- }
-
- for (pc = 0; pc < numInst; pc++) {
- const struct prog_instruction *inst = program->Instructions + pc;
-
- if (DEBUG_PROG) {
- _mesa_print_instruction(inst);
- }
-
- switch (inst->Opcode) {
- case OPCODE_ABS:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = FABSF(a[0]);
- result[1] = FABSF(a[1]);
- result[2] = FABSF(a[2]);
- result[3] = FABSF(a[3]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_ADD:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = a[0] + b[0];
- result[1] = a[1] + b[1];
- result[2] = a[2] + b[2];
- result[3] = a[3] + b[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_AND: /* bitwise AND */
- {
- GLuint a[4], b[4], result[4];
- fetch_vector4ui(&inst->SrcReg[0], machine, a);
- fetch_vector4ui(&inst->SrcReg[1], machine, b);
- result[0] = a[0] & b[0];
- result[1] = a[1] & b[1];
- result[2] = a[2] & b[2];
- result[3] = a[3] & b[3];
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_ARL:
- {
- GLfloat t[4];
- fetch_vector4(&inst->SrcReg[0], machine, t);
- machine->AddressReg[0][0] = IFLOOR(t[0]);
- if (DEBUG_PROG) {
- printf("ARL %d\n", machine->AddressReg[0][0]);
- }
- }
- break;
- case OPCODE_BGNLOOP:
- /* no-op */
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ENDLOOP);
- break;
- case OPCODE_ENDLOOP:
- /* subtract 1 here since pc is incremented by for(pc) loop */
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_BGNLOOP);
- pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */
- break;
- case OPCODE_BGNSUB: /* begin subroutine */
- break;
- case OPCODE_ENDSUB: /* end subroutine */
- break;
- case OPCODE_BRA: /* branch (conditional) */
- if (eval_condition(machine, inst)) {
- /* take branch */
- /* Subtract 1 here since we'll do pc++ below */
- pc = inst->BranchTarget - 1;
- }
- break;
- case OPCODE_BRK: /* break out of loop (conditional) */
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ENDLOOP);
- if (eval_condition(machine, inst)) {
- /* break out of loop */
- /* pc++ at end of for-loop will put us after the ENDLOOP inst */
- pc = inst->BranchTarget;
- }
- break;
- case OPCODE_CONT: /* continue loop (conditional) */
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ENDLOOP);
- if (eval_condition(machine, inst)) {
- /* continue at ENDLOOP */
- /* Subtract 1 here since we'll do pc++ at end of for-loop */
- pc = inst->BranchTarget - 1;
- }
- break;
- case OPCODE_CAL: /* Call subroutine (conditional) */
- if (eval_condition(machine, inst)) {
- /* call the subroutine */
- if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) {
- return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
- }
- machine->CallStack[machine->StackDepth++] = pc + 1; /* next inst */
- /* Subtract 1 here since we'll do pc++ at end of for-loop */
- pc = inst->BranchTarget - 1;
- }
- break;
- case OPCODE_CMP:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- fetch_vector4(&inst->SrcReg[2], machine, c);
- result[0] = a[0] < 0.0F ? b[0] : c[0];
- result[1] = a[1] < 0.0F ? b[1] : c[1];
- result[2] = a[2] < 0.0F ? b[2] : c[2];
- result[3] = a[3] < 0.0F ? b[3] : c[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("CMP (%g %g %g %g) = (%g %g %g %g) < 0 ? (%g %g %g %g) : (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3],
- c[0], c[1], c[2], c[3]);
- }
- }
- break;
- case OPCODE_COS:
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat) cos(a[0]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_DDX: /* Partial derivative with respect to X */
- {
- GLfloat result[4];
- fetch_vector4_deriv(ctx, &inst->SrcReg[0], machine,
- 'X', result);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_DDY: /* Partial derivative with respect to Y */
- {
- GLfloat result[4];
- fetch_vector4_deriv(ctx, &inst->SrcReg[0], machine,
- 'Y', result);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_DP2:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = result[1] = result[2] = result[3] = DOT2(a, b);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("DP2 %g = (%g %g) . (%g %g)\n",
- result[0], a[0], a[1], b[0], b[1]);
- }
- }
- break;
- case OPCODE_DP2A:
- {
- GLfloat a[4], b[4], c, result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- fetch_vector1(&inst->SrcReg[1], machine, &c);
- result[0] = result[1] = result[2] = result[3] = DOT2(a, b) + c;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("DP2A %g = (%g %g) . (%g %g) + %g\n",
- result[0], a[0], a[1], b[0], b[1], c);
- }
- }
- break;
- case OPCODE_DP3:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = result[1] = result[2] = result[3] = DOT3(a, b);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("DP3 %g = (%g %g %g) . (%g %g %g)\n",
- result[0], a[0], a[1], a[2], b[0], b[1], b[2]);
- }
- }
- break;
- case OPCODE_DP4:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = result[1] = result[2] = result[3] = DOT4(a, b);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n",
- result[0], a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_DPH:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = result[1] = result[2] = result[3] = DOT3(a, b) + b[3];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_DST: /* Distance vector */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = 1.0F;
- result[1] = a[1] * b[1];
- result[2] = a[2];
- result[3] = b[3];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_EXP:
- {
- GLfloat t[4], q[4], floor_t0;
- fetch_vector1(&inst->SrcReg[0], machine, t);
- floor_t0 = FLOORF(t[0]);
- if (floor_t0 > FLT_MAX_EXP) {
- SET_POS_INFINITY(q[0]);
- SET_POS_INFINITY(q[2]);
- }
- else if (floor_t0 < FLT_MIN_EXP) {
- q[0] = 0.0F;
- q[2] = 0.0F;
- }
- else {
- q[0] = LDEXPF(1.0, (int) floor_t0);
- /* Note: GL_NV_vertex_program expects
- * result.z = result.x * APPX(result.y)
- * We do what the ARB extension says.
- */
- q[2] = (GLfloat) pow(2.0, t[0]);
- }
- q[1] = t[0] - floor_t0;
- q[3] = 1.0F;
- store_vector4( inst, machine, q );
- }
- break;
- case OPCODE_EX2: /* Exponential base 2 */
- {
- GLfloat a[4], result[4], val;
- fetch_vector1(&inst->SrcReg[0], machine, a);
- val = (GLfloat) pow(2.0, a[0]);
- /*
- if (IS_INF_OR_NAN(val))
- val = 1.0e10;
- */
- result[0] = result[1] = result[2] = result[3] = val;
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_FLR:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = FLOORF(a[0]);
- result[1] = FLOORF(a[1]);
- result[2] = FLOORF(a[2]);
- result[3] = FLOORF(a[3]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_FRC:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = a[0] - FLOORF(a[0]);
- result[1] = a[1] - FLOORF(a[1]);
- result[2] = a[2] - FLOORF(a[2]);
- result[3] = a[3] - FLOORF(a[3]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_IF:
- {
- GLboolean cond;
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ELSE ||
- program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ENDIF);
- /* eval condition */
- if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
- GLfloat a[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- cond = (a[0] != 0.0);
- }
- else {
- cond = eval_condition(machine, inst);
- }
- if (DEBUG_PROG) {
- printf("IF: %d\n", cond);
- }
- /* do if/else */
- if (cond) {
- /* do if-clause (just continue execution) */
- }
- else {
- /* go to the instruction after ELSE or ENDIF */
- assert(inst->BranchTarget >= 0);
- pc = inst->BranchTarget;
- }
- }
- break;
- case OPCODE_ELSE:
- /* goto ENDIF */
- ASSERT(program->Instructions[inst->BranchTarget].Opcode
- == OPCODE_ENDIF);
- assert(inst->BranchTarget >= 0);
- pc = inst->BranchTarget;
- break;
- case OPCODE_ENDIF:
- /* nothing */
- break;
- case OPCODE_KIL_NV: /* NV_f_p only (conditional) */
- if (eval_condition(machine, inst)) {
- return GL_FALSE;
- }
- break;
- case OPCODE_KIL: /* ARB_f_p only */
- {
- GLfloat a[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- if (DEBUG_PROG) {
- printf("KIL if (%g %g %g %g) <= 0.0\n",
- a[0], a[1], a[2], a[3]);
- }
-
- if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) {
- return GL_FALSE;
- }
- }
- break;
- case OPCODE_LG2: /* log base 2 */
- {
- GLfloat a[4], result[4], val;
- fetch_vector1(&inst->SrcReg[0], machine, a);
- /* The fast LOG2 macro doesn't meet the precision requirements.
- */
- if (a[0] == 0.0F) {
- val = -FLT_MAX;
- }
- else {
- val = (float)(log(a[0]) * 1.442695F);
- }
- result[0] = result[1] = result[2] = result[3] = val;
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_LIT:
- {
- const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- a[0] = MAX2(a[0], 0.0F);
- a[1] = MAX2(a[1], 0.0F);
- /* XXX ARB version clamps a[3], NV version doesn't */
- a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon));
- result[0] = 1.0F;
- result[1] = a[0];
- /* XXX we could probably just use pow() here */
- if (a[0] > 0.0F) {
- if (a[1] == 0.0 && a[3] == 0.0)
- result[2] = 1.0F;
- else
- result[2] = (GLfloat) pow(a[1], a[3]);
- }
- else {
- result[2] = 0.0F;
- }
- result[3] = 1.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("LIT (%g %g %g %g) : (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3]);
- }
- }
- break;
- case OPCODE_LOG:
- {
- GLfloat t[4], q[4], abs_t0;
- fetch_vector1(&inst->SrcReg[0], machine, t);
- abs_t0 = FABSF(t[0]);
- if (abs_t0 != 0.0F) {
- /* Since we really can't handle infinite values on VMS
- * like other OSes we'll use __MAXFLOAT to represent
- * infinity. This may need some tweaking.
- */
-#ifdef VMS
- if (abs_t0 == __MAXFLOAT)
-#else
- if (IS_INF_OR_NAN(abs_t0))
-#endif
- {
- SET_POS_INFINITY(q[0]);
- q[1] = 1.0F;
- SET_POS_INFINITY(q[2]);
- }
- else {
- int exponent;
- GLfloat mantissa = FREXPF(t[0], &exponent);
- q[0] = (GLfloat) (exponent - 1);
- q[1] = (GLfloat) (2.0 * mantissa); /* map [.5, 1) -> [1, 2) */
-
- /* The fast LOG2 macro doesn't meet the precision
- * requirements.
- */
- q[2] = (float)(log(t[0]) * 1.442695F);
- }
- }
- else {
- SET_NEG_INFINITY(q[0]);
- q[1] = 1.0F;
- SET_NEG_INFINITY(q[2]);
- }
- q[3] = 1.0;
- store_vector4(inst, machine, q);
- }
- break;
- case OPCODE_LRP:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- fetch_vector4(&inst->SrcReg[2], machine, c);
- result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0];
- result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1];
- result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2];
- result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("LRP (%g %g %g %g) = (%g %g %g %g), "
- "(%g %g %g %g), (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
- }
- }
- break;
- case OPCODE_MAD:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- fetch_vector4(&inst->SrcReg[2], machine, c);
- result[0] = a[0] * b[0] + c[0];
- result[1] = a[1] * b[1] + c[1];
- result[2] = a[2] * b[2] + c[2];
- result[3] = a[3] * b[3] + c[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("MAD (%g %g %g %g) = (%g %g %g %g) * "
- "(%g %g %g %g) + (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
- }
- }
- break;
- case OPCODE_MAX:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = MAX2(a[0], b[0]);
- result[1] = MAX2(a[1], b[1]);
- result[2] = MAX2(a[2], b[2]);
- result[3] = MAX2(a[3], b[3]);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_MIN:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = MIN2(a[0], b[0]);
- result[1] = MIN2(a[1], b[1]);
- result[2] = MIN2(a[2], b[2]);
- result[3] = MIN2(a[3], b[3]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_MOV:
- {
- GLfloat result[4];
- fetch_vector4(&inst->SrcReg[0], machine, result);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("MOV (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3]);
- }
- }
- break;
- case OPCODE_MUL:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = a[0] * b[0];
- result[1] = a[1] * b[1];
- result[2] = a[2] * b[2];
- result[3] = a[3] * b[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_NOISE1:
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- result[0] =
- result[1] =
- result[2] =
- result[3] = _mesa_noise1(a[0]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_NOISE2:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] =
- result[1] =
- result[2] = result[3] = _mesa_noise2(a[0], a[1]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_NOISE3:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] =
- result[1] =
- result[2] =
- result[3] = _mesa_noise3(a[0], a[1], a[2]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_NOISE4:
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] =
- result[1] =
- result[2] =
- result[3] = _mesa_noise4(a[0], a[1], a[2], a[3]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_NOP:
- break;
- case OPCODE_NOT: /* bitwise NOT */
- {
- GLuint a[4], result[4];
- fetch_vector4ui(&inst->SrcReg[0], machine, a);
- result[0] = ~a[0];
- result[1] = ~a[1];
- result[2] = ~a[2];
- result[3] = ~a[3];
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_NRM3: /* 3-component normalization */
- {
- GLfloat a[4], result[4];
- GLfloat tmp;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2];
- if (tmp != 0.0F)
- tmp = INV_SQRTF(tmp);
- result[0] = tmp * a[0];
- result[1] = tmp * a[1];
- result[2] = tmp * a[2];
- result[3] = 0.0; /* undefined, but prevent valgrind warnings */
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_NRM4: /* 4-component normalization */
- {
- GLfloat a[4], result[4];
- GLfloat tmp;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2] + a[3] * a[3];
- if (tmp != 0.0F)
- tmp = INV_SQRTF(tmp);
- result[0] = tmp * a[0];
- result[1] = tmp * a[1];
- result[2] = tmp * a[2];
- result[3] = tmp * a[3];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_OR: /* bitwise OR */
- {
- GLuint a[4], b[4], result[4];
- fetch_vector4ui(&inst->SrcReg[0], machine, a);
- fetch_vector4ui(&inst->SrcReg[1], machine, b);
- result[0] = a[0] | b[0];
- result[1] = a[1] | b[1];
- result[2] = a[2] | b[2];
- result[3] = a[3] | b[3];
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */
- {
- GLfloat a[4];
- GLuint result[4];
- GLhalfNV hx, hy;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- hx = _mesa_float_to_half(a[0]);
- hy = _mesa_float_to_half(a[1]);
- result[0] =
- result[1] =
- result[2] =
- result[3] = hx | (hy << 16);
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */
- {
- GLfloat a[4];
- GLuint result[4], usx, usy;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- a[0] = CLAMP(a[0], 0.0F, 1.0F);
- a[1] = CLAMP(a[1], 0.0F, 1.0F);
- usx = IROUND(a[0] * 65535.0F);
- usy = IROUND(a[1] * 65535.0F);
- result[0] =
- result[1] =
- result[2] =
- result[3] = usx | (usy << 16);
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */
- {
- GLfloat a[4];
- GLuint result[4], ubx, uby, ubz, ubw;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F);
- a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F);
- a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F);
- a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F);
- ubx = IROUND(127.0F * a[0] + 128.0F);
- uby = IROUND(127.0F * a[1] + 128.0F);
- ubz = IROUND(127.0F * a[2] + 128.0F);
- ubw = IROUND(127.0F * a[3] + 128.0F);
- result[0] =
- result[1] =
- result[2] =
- result[3] = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */
- {
- GLfloat a[4];
- GLuint result[4], ubx, uby, ubz, ubw;
- fetch_vector4(&inst->SrcReg[0], machine, a);
- a[0] = CLAMP(a[0], 0.0F, 1.0F);
- a[1] = CLAMP(a[1], 0.0F, 1.0F);
- a[2] = CLAMP(a[2], 0.0F, 1.0F);
- a[3] = CLAMP(a[3], 0.0F, 1.0F);
- ubx = IROUND(255.0F * a[0]);
- uby = IROUND(255.0F * a[1]);
- ubz = IROUND(255.0F * a[2]);
- ubw = IROUND(255.0F * a[3]);
- result[0] =
- result[1] =
- result[2] =
- result[3] = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_POW:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- fetch_vector1(&inst->SrcReg[1], machine, b);
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat) pow(a[0], b[0]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_RCC: /* clamped riciprocal */
- {
- const float largest = 1.884467e+19, smallest = 5.42101e-20;
- GLfloat a[4], r, result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- if (DEBUG_PROG) {
- if (a[0] == 0)
- printf("RCC(0)\n");
- else if (IS_INF_OR_NAN(a[0]))
- printf("RCC(inf)\n");
- }
- if (a[0] == 1.0F) {
- r = 1.0F;
- }
- else {
- r = 1.0F / a[0];
- }
- if (positive(r)) {
- if (r > largest) {
- r = largest;
- }
- else if (r < smallest) {
- r = smallest;
- }
- }
- else {
- if (r < -largest) {
- r = -largest;
- }
- else if (r > -smallest) {
- r = -smallest;
- }
- }
- result[0] = result[1] = result[2] = result[3] = r;
- store_vector4(inst, machine, result);
- }
- break;
-
- case OPCODE_RCP:
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- if (DEBUG_PROG) {
- if (a[0] == 0)
- printf("RCP(0)\n");
- else if (IS_INF_OR_NAN(a[0]))
- printf("RCP(inf)\n");
- }
- result[0] = result[1] = result[2] = result[3] = 1.0F / a[0];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_RET: /* return from subroutine (conditional) */
- if (eval_condition(machine, inst)) {
- if (machine->StackDepth == 0) {
- return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
- }
- /* subtract one because of pc++ in the for loop */
- pc = machine->CallStack[--machine->StackDepth] - 1;
- }
- break;
- case OPCODE_RFL: /* reflection vector */
- {
- GLfloat axis[4], dir[4], result[4], tmpX, tmpW;
- fetch_vector4(&inst->SrcReg[0], machine, axis);
- fetch_vector4(&inst->SrcReg[1], machine, dir);
- tmpW = DOT3(axis, axis);
- tmpX = (2.0F * DOT3(axis, dir)) / tmpW;
- result[0] = tmpX * axis[0] - dir[0];
- result[1] = tmpX * axis[1] - dir[1];
- result[2] = tmpX * axis[2] - dir[2];
- /* result[3] is never written! XXX enforce in parser! */
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_RSQ: /* 1 / sqrt() */
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- a[0] = FABSF(a[0]);
- result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]);
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]);
- }
- }
- break;
- case OPCODE_SCS: /* sine and cos */
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- result[0] = (GLfloat) cos(a[0]);
- result[1] = (GLfloat) sin(a[0]);
- result[2] = 0.0; /* undefined! */
- result[3] = 0.0; /* undefined! */
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_SEQ: /* set on equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] == b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] == b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] == b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] == b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SEQ (%g %g %g %g) = (%g %g %g %g) == (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SFL: /* set false, operands ignored */
- {
- static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_SGE: /* set on greater or equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SGE (%g %g %g %g) = (%g %g %g %g) >= (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SGT: /* set on greater */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] > b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] > b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] > b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] > b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SGT (%g %g %g %g) = (%g %g %g %g) > (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SIN:
- {
- GLfloat a[4], result[4];
- fetch_vector1(&inst->SrcReg[0], machine, a);
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat) sin(a[0]);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_SLE: /* set on less or equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SLE (%g %g %g %g) = (%g %g %g %g) <= (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SLT: /* set on less */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] < b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] < b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] < b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] < b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SLT (%g %g %g %g) = (%g %g %g %g) < (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SNE: /* set on not equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = (a[0] != b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] != b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] != b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] != b[3]) ? 1.0F : 0.0F;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SNE (%g %g %g %g) = (%g %g %g %g) != (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SSG: /* set sign (-1, 0 or +1) */
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = (GLfloat) ((a[0] > 0.0F) - (a[0] < 0.0F));
- result[1] = (GLfloat) ((a[1] > 0.0F) - (a[1] < 0.0F));
- result[2] = (GLfloat) ((a[2] > 0.0F) - (a[2] < 0.0F));
- result[3] = (GLfloat) ((a[3] > 0.0F) - (a[3] < 0.0F));
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_STR: /* set true, operands ignored */
- {
- static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F };
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_SUB:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = a[0] - b[0];
- result[1] = a[1] - b[1];
- result[2] = a[2] - b[2];
- result[3] = a[3] - b[3];
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_SWZ: /* extended swizzle */
- {
- const struct prog_src_register *source = &inst->SrcReg[0];
- const GLfloat *src = get_src_register_pointer(source, machine);
- GLfloat result[4];
- GLuint i;
- for (i = 0; i < 4; i++) {
- const GLuint swz = GET_SWZ(source->Swizzle, i);
- if (swz == SWIZZLE_ZERO)
- result[i] = 0.0;
- else if (swz == SWIZZLE_ONE)
- result[i] = 1.0;
- else {
- ASSERT(swz >= 0);
- ASSERT(swz <= 3);
- result[i] = src[swz];
- }
- if (source->Negate & (1 << i))
- result[i] = -result[i];
- }
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_TEX: /* Both ARB and NV frag prog */
- /* Simple texel lookup */
- {
- GLfloat texcoord[4], color[4];
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
-
- fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
-
- if (DEBUG_PROG) {
- printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g]\n",
- color[0], color[1], color[2], color[3],
- inst->TexSrcUnit,
- texcoord[0], texcoord[1], texcoord[2], texcoord[3]);
- }
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TXB: /* GL_ARB_fragment_program only */
- /* Texel lookup with LOD bias */
- {
- GLfloat texcoord[4], color[4], lodBias;
-
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
-
- /* texcoord[3] is the bias to add to lambda */
- lodBias = texcoord[3];
-
- fetch_texel(ctx, machine, inst, texcoord, lodBias, color);
-
- if (DEBUG_PROG) {
- printf("TXB (%g, %g, %g, %g) = texture[%d][%g %g %g %g]"
- " bias %g\n",
- color[0], color[1], color[2], color[3],
- inst->TexSrcUnit,
- texcoord[0],
- texcoord[1],
- texcoord[2],
- texcoord[3],
- lodBias);
- }
-
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TXD: /* GL_NV_fragment_program only */
- /* Texture lookup w/ partial derivatives for LOD */
- {
- GLfloat texcoord[4], dtdx[4], dtdy[4], color[4];
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
- fetch_vector4(&inst->SrcReg[1], machine, dtdx);
- fetch_vector4(&inst->SrcReg[2], machine, dtdy);
- machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy,
- 0.0, /* lodBias */
- inst->TexSrcUnit, color);
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TXL:
- /* Texel lookup with explicit LOD */
- {
- GLfloat texcoord[4], color[4], lod;
-
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
-
- /* texcoord[3] is the LOD */
- lod = texcoord[3];
-
- machine->FetchTexelLod(ctx, texcoord, lod,
- machine->Samplers[inst->TexSrcUnit], color);
-
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TXP: /* GL_ARB_fragment_program only */
- /* Texture lookup w/ projective divide */
- {
- GLfloat texcoord[4], color[4];
-
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
- /* Not so sure about this test - if texcoord[3] is
- * zero, we'd probably be fine except for an ASSERT in
- * IROUND_POS() which gets triggered by the inf values created.
- */
- if (texcoord[3] != 0.0) {
- texcoord[0] /= texcoord[3];
- texcoord[1] /= texcoord[3];
- texcoord[2] /= texcoord[3];
- }
-
- fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
-
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TXP_NV: /* GL_NV_fragment_program only */
- /* Texture lookup w/ projective divide, as above, but do not
- * do the divide by w if sampling from a cube map.
- */
- {
- GLfloat texcoord[4], color[4];
-
- fetch_vector4(&inst->SrcReg[0], machine, texcoord);
- if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX &&
- texcoord[3] != 0.0) {
- texcoord[0] /= texcoord[3];
- texcoord[1] /= texcoord[3];
- texcoord[2] /= texcoord[3];
- }
-
- fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
-
- store_vector4(inst, machine, color);
- }
- break;
- case OPCODE_TRUNC: /* truncate toward zero */
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = (GLfloat) (GLint) a[0];
- result[1] = (GLfloat) (GLint) a[1];
- result[2] = (GLfloat) (GLint) a[2];
- result[3] = (GLfloat) (GLint) a[3];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_UP2H: /* unpack two 16-bit floats */
- {
- const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
- GLfloat result[4];
- GLushort hx, hy;
- hx = raw & 0xffff;
- hy = raw >> 16;
- result[0] = result[2] = _mesa_half_to_float(hx);
- result[1] = result[3] = _mesa_half_to_float(hy);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_UP2US: /* unpack two GLushorts */
- {
- const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
- GLfloat result[4];
- GLushort usx, usy;
- usx = raw & 0xffff;
- usy = raw >> 16;
- result[0] = result[2] = usx * (1.0f / 65535.0f);
- result[1] = result[3] = usy * (1.0f / 65535.0f);
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_UP4B: /* unpack four GLbytes */
- {
- const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
- GLfloat result[4];
- result[0] = (((raw >> 0) & 0xff) - 128) / 127.0F;
- result[1] = (((raw >> 8) & 0xff) - 128) / 127.0F;
- result[2] = (((raw >> 16) & 0xff) - 128) / 127.0F;
- result[3] = (((raw >> 24) & 0xff) - 128) / 127.0F;
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_UP4UB: /* unpack four GLubytes */
- {
- const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
- GLfloat result[4];
- result[0] = ((raw >> 0) & 0xff) / 255.0F;
- result[1] = ((raw >> 8) & 0xff) / 255.0F;
- result[2] = ((raw >> 16) & 0xff) / 255.0F;
- result[3] = ((raw >> 24) & 0xff) / 255.0F;
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_XOR: /* bitwise XOR */
- {
- GLuint a[4], b[4], result[4];
- fetch_vector4ui(&inst->SrcReg[0], machine, a);
- fetch_vector4ui(&inst->SrcReg[1], machine, b);
- result[0] = a[0] ^ b[0];
- result[1] = a[1] ^ b[1];
- result[2] = a[2] ^ b[2];
- result[3] = a[3] ^ b[3];
- store_vector4ui(inst, machine, result);
- }
- break;
- case OPCODE_XPD: /* cross product */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- result[0] = a[1] * b[2] - a[2] * b[1];
- result[1] = a[2] * b[0] - a[0] * b[2];
- result[2] = a[0] * b[1] - a[1] * b[0];
- result[3] = 1.0;
- store_vector4(inst, machine, result);
- if (DEBUG_PROG) {
- printf("XPD (%g %g %g %g) = (%g %g %g) X (%g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], b[0], b[1], b[2]);
- }
- }
- break;
- case OPCODE_X2D: /* 2-D matrix transform */
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- fetch_vector4(&inst->SrcReg[1], machine, b);
- fetch_vector4(&inst->SrcReg[2], machine, c);
- result[0] = a[0] + b[0] * c[0] + b[1] * c[1];
- result[1] = a[1] + b[0] * c[2] + b[1] * c[3];
- result[2] = a[2] + b[0] * c[0] + b[1] * c[1];
- result[3] = a[3] + b[0] * c[2] + b[1] * c[3];
- store_vector4(inst, machine, result);
- }
- break;
- case OPCODE_PRINT:
- {
- if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
- GLfloat a[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
- a[0], a[1], a[2], a[3]);
- }
- else {
- printf("%s\n", (const char *) inst->Data);
- }
- }
- break;
- case OPCODE_END:
- return GL_TRUE;
- default:
- _mesa_problem(ctx, "Bad opcode %d in _mesa_execute_program",
- inst->Opcode);
- return GL_TRUE; /* return value doesn't matter */
- }
-
- numExec++;
- if (numExec > maxExec) {
- static GLboolean reported = GL_FALSE;
- if (!reported) {
- _mesa_problem(ctx, "Infinite loop detected in fragment program");
- reported = GL_TRUE;
- }
- return GL_TRUE;
- }
-
- } /* for pc */
-
- return GL_TRUE;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.3
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file prog_execute.c
+ * Software interpreter for vertex/fragment programs.
+ * \author Brian Paul
+ */
+
+/*
+ * NOTE: we do everything in single-precision floating point; we don't
+ * currently observe the single/half/fixed-precision qualifiers.
+ *
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "prog_execute.h"
+#include "prog_instruction.h"
+#include "prog_parameter.h"
+#include "prog_print.h"
+#include "prog_noise.h"
+
+
+/* debug predicate */
+#define DEBUG_PROG 0
+
+
+/**
+ * Set x to positive or negative infinity.
+ */
+#if defined(USE_IEEE) || defined(_WIN32)
+#define SET_POS_INFINITY(x) \
+ do { \
+ fi_type fi; \
+ fi.i = 0x7F800000; \
+ x = fi.f; \
+ } while (0)
+#define SET_NEG_INFINITY(x) \
+ do { \
+ fi_type fi; \
+ fi.i = 0xFF800000; \
+ x = fi.f; \
+ } while (0)
+#elif defined(VMS)
+#define SET_POS_INFINITY(x) x = __MAXFLOAT
+#define SET_NEG_INFINITY(x) x = -__MAXFLOAT
+#else
+#define SET_POS_INFINITY(x) x = (GLfloat) HUGE_VAL
+#define SET_NEG_INFINITY(x) x = (GLfloat) -HUGE_VAL
+#endif
+
+#define SET_FLOAT_BITS(x, bits) ((fi_type *) (void *) &(x))->i = bits
+
+
+static const GLfloat ZeroVec[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
+
+
+
+/**
+ * Return TRUE for +0 and other positive values, FALSE otherwise.
+ * Used for RCC opcode.
+ */
+static INLINE GLboolean
+positive(float x)
+{
+ fi_type fi;
+ fi.f = x;
+ if (fi.i & 0x80000000)
+ return GL_FALSE;
+ return GL_TRUE;
+}
+
+
+
+/**
+ * Return a pointer to the 4-element float vector specified by the given
+ * source register.
+ */
+static INLINE const GLfloat *
+get_src_register_pointer(const struct prog_src_register *source,
+ const struct gl_program_machine *machine)
+{
+ const struct gl_program *prog = machine->CurProgram;
+ GLint reg = source->Index;
+
+ if (source->RelAddr) {
+ /* add address register value to src index/offset */
+ reg += machine->AddressReg[0][0];
+ if (reg < 0) {
+ return ZeroVec;
+ }
+ }
+
+ switch (source->File) {
+ case PROGRAM_TEMPORARY:
+ if (reg >= MAX_PROGRAM_TEMPS)
+ return ZeroVec;
+ return machine->Temporaries[reg];
+
+ case PROGRAM_INPUT:
+ if (prog->Target == GL_VERTEX_PROGRAM_ARB) {
+ if (reg >= VERT_ATTRIB_MAX)
+ return ZeroVec;
+ return machine->VertAttribs[reg];
+ }
+ else {
+ if (reg >= FRAG_ATTRIB_MAX)
+ return ZeroVec;
+ return machine->Attribs[reg][machine->CurElement];
+ }
+
+ case PROGRAM_OUTPUT:
+ if (reg >= MAX_PROGRAM_OUTPUTS)
+ return ZeroVec;
+ return machine->Outputs[reg];
+
+ case PROGRAM_LOCAL_PARAM:
+ if (reg >= MAX_PROGRAM_LOCAL_PARAMS)
+ return ZeroVec;
+ return machine->CurProgram->LocalParams[reg];
+
+ case PROGRAM_ENV_PARAM:
+ if (reg >= MAX_PROGRAM_ENV_PARAMS)
+ return ZeroVec;
+ return machine->EnvParams[reg];
+
+ case PROGRAM_STATE_VAR:
+ /* Fallthrough */
+ case PROGRAM_CONSTANT:
+ /* Fallthrough */
+ case PROGRAM_UNIFORM:
+ /* Fallthrough */
+ case PROGRAM_NAMED_PARAM:
+ if (reg >= (GLint) prog->Parameters->NumParameters)
+ return ZeroVec;
+ return (GLfloat *) prog->Parameters->ParameterValues[reg];
+
+ case PROGRAM_SYSTEM_VALUE:
+ assert(reg < Elements(machine->SystemValues));
+ return machine->SystemValues[reg];
+
+ default:
+ _mesa_problem(NULL,
+ "Invalid src register file %d in get_src_register_pointer()",
+ source->File);
+ return NULL;
+ }
+}
+
+
+/**
+ * Return a pointer to the 4-element float vector specified by the given
+ * destination register.
+ */
+static INLINE GLfloat *
+get_dst_register_pointer(const struct prog_dst_register *dest,
+ struct gl_program_machine *machine)
+{
+ static GLfloat dummyReg[4];
+ GLint reg = dest->Index;
+
+ if (dest->RelAddr) {
+ /* add address register value to src index/offset */
+ reg += machine->AddressReg[0][0];
+ if (reg < 0) {
+ return dummyReg;
+ }
+ }
+
+ switch (dest->File) {
+ case PROGRAM_TEMPORARY:
+ if (reg >= MAX_PROGRAM_TEMPS)
+ return dummyReg;
+ return machine->Temporaries[reg];
+
+ case PROGRAM_OUTPUT:
+ if (reg >= MAX_PROGRAM_OUTPUTS)
+ return dummyReg;
+ return machine->Outputs[reg];
+
+ case PROGRAM_WRITE_ONLY:
+ return dummyReg;
+
+ default:
+ _mesa_problem(NULL,
+ "Invalid dest register file %d in get_dst_register_pointer()",
+ dest->File);
+ return NULL;
+ }
+}
+
+
+
+/**
+ * Fetch a 4-element float vector from the given source register.
+ * Apply swizzling and negating as needed.
+ */
+static void
+fetch_vector4(const struct prog_src_register *source,
+ const struct gl_program_machine *machine, GLfloat result[4])
+{
+ const GLfloat *src = get_src_register_pointer(source, machine);
+ ASSERT(src);
+
+ if (source->Swizzle == SWIZZLE_NOOP) {
+ /* no swizzling */
+ COPY_4V(result, src);
+ }
+ else {
+ ASSERT(GET_SWZ(source->Swizzle, 0) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 1) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 2) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 3) <= 3);
+ result[0] = src[GET_SWZ(source->Swizzle, 0)];
+ result[1] = src[GET_SWZ(source->Swizzle, 1)];
+ result[2] = src[GET_SWZ(source->Swizzle, 2)];
+ result[3] = src[GET_SWZ(source->Swizzle, 3)];
+ }
+
+ if (source->Abs) {
+ result[0] = FABSF(result[0]);
+ result[1] = FABSF(result[1]);
+ result[2] = FABSF(result[2]);
+ result[3] = FABSF(result[3]);
+ }
+ if (source->Negate) {
+ ASSERT(source->Negate == NEGATE_XYZW);
+ result[0] = -result[0];
+ result[1] = -result[1];
+ result[2] = -result[2];
+ result[3] = -result[3];
+ }
+
+#ifdef NAN_CHECK
+ assert(!IS_INF_OR_NAN(result[0]));
+ assert(!IS_INF_OR_NAN(result[0]));
+ assert(!IS_INF_OR_NAN(result[0]));
+ assert(!IS_INF_OR_NAN(result[0]));
+#endif
+}
+
+
+/**
+ * Fetch a 4-element uint vector from the given source register.
+ * Apply swizzling but not negation/abs.
+ */
+static void
+fetch_vector4ui(const struct prog_src_register *source,
+ const struct gl_program_machine *machine, GLuint result[4])
+{
+ const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
+ ASSERT(src);
+
+ if (source->Swizzle == SWIZZLE_NOOP) {
+ /* no swizzling */
+ COPY_4V(result, src);
+ }
+ else {
+ ASSERT(GET_SWZ(source->Swizzle, 0) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 1) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 2) <= 3);
+ ASSERT(GET_SWZ(source->Swizzle, 3) <= 3);
+ result[0] = src[GET_SWZ(source->Swizzle, 0)];
+ result[1] = src[GET_SWZ(source->Swizzle, 1)];
+ result[2] = src[GET_SWZ(source->Swizzle, 2)];
+ result[3] = src[GET_SWZ(source->Swizzle, 3)];
+ }
+
+ /* Note: no Negate or Abs here */
+}
+
+
+
+/**
+ * Fetch the derivative with respect to X or Y for the given register.
+ * XXX this currently only works for fragment program input attribs.
+ */
+static void
+fetch_vector4_deriv(struct gl_context * ctx,
+ const struct prog_src_register *source,
+ const struct gl_program_machine *machine,
+ char xOrY, GLfloat result[4])
+{
+ if (source->File == PROGRAM_INPUT &&
+ source->Index < (GLint) machine->NumDeriv) {
+ const GLint col = machine->CurElement;
+ const GLfloat w = machine->Attribs[FRAG_ATTRIB_WPOS][col][3];
+ const GLfloat invQ = 1.0f / w;
+ GLfloat deriv[4];
+
+ if (xOrY == 'X') {
+ deriv[0] = machine->DerivX[source->Index][0] * invQ;
+ deriv[1] = machine->DerivX[source->Index][1] * invQ;
+ deriv[2] = machine->DerivX[source->Index][2] * invQ;
+ deriv[3] = machine->DerivX[source->Index][3] * invQ;
+ }
+ else {
+ deriv[0] = machine->DerivY[source->Index][0] * invQ;
+ deriv[1] = machine->DerivY[source->Index][1] * invQ;
+ deriv[2] = machine->DerivY[source->Index][2] * invQ;
+ deriv[3] = machine->DerivY[source->Index][3] * invQ;
+ }
+
+ result[0] = deriv[GET_SWZ(source->Swizzle, 0)];
+ result[1] = deriv[GET_SWZ(source->Swizzle, 1)];
+ result[2] = deriv[GET_SWZ(source->Swizzle, 2)];
+ result[3] = deriv[GET_SWZ(source->Swizzle, 3)];
+
+ if (source->Abs) {
+ result[0] = FABSF(result[0]);
+ result[1] = FABSF(result[1]);
+ result[2] = FABSF(result[2]);
+ result[3] = FABSF(result[3]);
+ }
+ if (source->Negate) {
+ ASSERT(source->Negate == NEGATE_XYZW);
+ result[0] = -result[0];
+ result[1] = -result[1];
+ result[2] = -result[2];
+ result[3] = -result[3];
+ }
+ }
+ else {
+ ASSIGN_4V(result, 0.0, 0.0, 0.0, 0.0);
+ }
+}
+
+
+/**
+ * As above, but only return result[0] element.
+ */
+static void
+fetch_vector1(const struct prog_src_register *source,
+ const struct gl_program_machine *machine, GLfloat result[4])
+{
+ const GLfloat *src = get_src_register_pointer(source, machine);
+ ASSERT(src);
+
+ result[0] = src[GET_SWZ(source->Swizzle, 0)];
+
+ if (source->Abs) {
+ result[0] = FABSF(result[0]);
+ }
+ if (source->Negate) {
+ result[0] = -result[0];
+ }
+}
+
+
+static GLuint
+fetch_vector1ui(const struct prog_src_register *source,
+ const struct gl_program_machine *machine)
+{
+ const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
+ return src[GET_SWZ(source->Swizzle, 0)];
+}
+
+
+/**
+ * Fetch texel from texture. Use partial derivatives when possible.
+ */
+static INLINE void
+fetch_texel(struct gl_context *ctx,
+ const struct gl_program_machine *machine,
+ const struct prog_instruction *inst,
+ const GLfloat texcoord[4], GLfloat lodBias,
+ GLfloat color[4])
+{
+ const GLuint unit = machine->Samplers[inst->TexSrcUnit];
+
+ /* Note: we only have the right derivatives for fragment input attribs.
+ */
+ if (machine->NumDeriv > 0 &&
+ inst->SrcReg[0].File == PROGRAM_INPUT &&
+ inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit) {
+ /* simple texture fetch for which we should have derivatives */
+ GLuint attr = inst->SrcReg[0].Index;
+ machine->FetchTexelDeriv(ctx, texcoord,
+ machine->DerivX[attr],
+ machine->DerivY[attr],
+ lodBias, unit, color);
+ }
+ else {
+ machine->FetchTexelLod(ctx, texcoord, lodBias, unit, color);
+ }
+}
+
+
+/**
+ * Test value against zero and return GT, LT, EQ or UN if NaN.
+ */
+static INLINE GLuint
+generate_cc(float value)
+{
+ if (value != value)
+ return COND_UN; /* NaN */
+ if (value > 0.0F)
+ return COND_GT;
+ if (value < 0.0F)
+ return COND_LT;
+ return COND_EQ;
+}
+
+
+/**
+ * Test if the ccMaskRule is satisfied by the given condition code.
+ * Used to mask destination writes according to the current condition code.
+ */
+static INLINE GLboolean
+test_cc(GLuint condCode, GLuint ccMaskRule)
+{
+ switch (ccMaskRule) {
+ case COND_EQ: return (condCode == COND_EQ);
+ case COND_NE: return (condCode != COND_EQ);
+ case COND_LT: return (condCode == COND_LT);
+ case COND_GE: return (condCode == COND_GT || condCode == COND_EQ);
+ case COND_LE: return (condCode == COND_LT || condCode == COND_EQ);
+ case COND_GT: return (condCode == COND_GT);
+ case COND_TR: return GL_TRUE;
+ case COND_FL: return GL_FALSE;
+ default: return GL_TRUE;
+ }
+}
+
+
+/**
+ * Evaluate the 4 condition codes against a predicate and return GL_TRUE
+ * or GL_FALSE to indicate result.
+ */
+static INLINE GLboolean
+eval_condition(const struct gl_program_machine *machine,
+ const struct prog_instruction *inst)
+{
+ const GLuint swizzle = inst->DstReg.CondSwizzle;
+ const GLuint condMask = inst->DstReg.CondMask;
+ if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+ return GL_TRUE;
+ }
+ else {
+ return GL_FALSE;
+ }
+}
+
+
+
+/**
+ * Store 4 floats into a register. Observe the instructions saturate and
+ * set-condition-code flags.
+ */
+static void
+store_vector4(const struct prog_instruction *inst,
+ struct gl_program_machine *machine, const GLfloat value[4])
+{
+ const struct prog_dst_register *dstReg = &(inst->DstReg);
+ const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE;
+ GLuint writeMask = dstReg->WriteMask;
+ GLfloat clampedValue[4];
+ GLfloat *dst = get_dst_register_pointer(dstReg, machine);
+
+#if 0
+ if (value[0] > 1.0e10 ||
+ IS_INF_OR_NAN(value[0]) ||
+ IS_INF_OR_NAN(value[1]) ||
+ IS_INF_OR_NAN(value[2]) || IS_INF_OR_NAN(value[3]))
+ printf("store %g %g %g %g\n", value[0], value[1], value[2], value[3]);
+#endif
+
+ if (clamp) {
+ clampedValue[0] = CLAMP(value[0], 0.0F, 1.0F);
+ clampedValue[1] = CLAMP(value[1], 0.0F, 1.0F);
+ clampedValue[2] = CLAMP(value[2], 0.0F, 1.0F);
+ clampedValue[3] = CLAMP(value[3], 0.0F, 1.0F);
+ value = clampedValue;
+ }
+
+ if (dstReg->CondMask != COND_TR) {
+ /* condition codes may turn off some writes */
+ if (writeMask & WRITEMASK_X) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_X;
+ }
+ if (writeMask & WRITEMASK_Y) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_Y;
+ }
+ if (writeMask & WRITEMASK_Z) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_Z;
+ }
+ if (writeMask & WRITEMASK_W) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_W;
+ }
+ }
+
+#ifdef NAN_CHECK
+ assert(!IS_INF_OR_NAN(value[0]));
+ assert(!IS_INF_OR_NAN(value[0]));
+ assert(!IS_INF_OR_NAN(value[0]));
+ assert(!IS_INF_OR_NAN(value[0]));
+#endif
+
+ if (writeMask & WRITEMASK_X)
+ dst[0] = value[0];
+ if (writeMask & WRITEMASK_Y)
+ dst[1] = value[1];
+ if (writeMask & WRITEMASK_Z)
+ dst[2] = value[2];
+ if (writeMask & WRITEMASK_W)
+ dst[3] = value[3];
+
+ if (inst->CondUpdate) {
+ if (writeMask & WRITEMASK_X)
+ machine->CondCodes[0] = generate_cc(value[0]);
+ if (writeMask & WRITEMASK_Y)
+ machine->CondCodes[1] = generate_cc(value[1]);
+ if (writeMask & WRITEMASK_Z)
+ machine->CondCodes[2] = generate_cc(value[2]);
+ if (writeMask & WRITEMASK_W)
+ machine->CondCodes[3] = generate_cc(value[3]);
+#if DEBUG_PROG
+ printf("CondCodes=(%s,%s,%s,%s) for:\n",
+ _mesa_condcode_string(machine->CondCodes[0]),
+ _mesa_condcode_string(machine->CondCodes[1]),
+ _mesa_condcode_string(machine->CondCodes[2]),
+ _mesa_condcode_string(machine->CondCodes[3]));
+#endif
+ }
+}
+
+
+/**
+ * Store 4 uints into a register. Observe the set-condition-code flags.
+ */
+static void
+store_vector4ui(const struct prog_instruction *inst,
+ struct gl_program_machine *machine, const GLuint value[4])
+{
+ const struct prog_dst_register *dstReg = &(inst->DstReg);
+ GLuint writeMask = dstReg->WriteMask;
+ GLuint *dst = (GLuint *) get_dst_register_pointer(dstReg, machine);
+
+ if (dstReg->CondMask != COND_TR) {
+ /* condition codes may turn off some writes */
+ if (writeMask & WRITEMASK_X) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_X;
+ }
+ if (writeMask & WRITEMASK_Y) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_Y;
+ }
+ if (writeMask & WRITEMASK_Z) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_Z;
+ }
+ if (writeMask & WRITEMASK_W) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)],
+ dstReg->CondMask))
+ writeMask &= ~WRITEMASK_W;
+ }
+ }
+
+ if (writeMask & WRITEMASK_X)
+ dst[0] = value[0];
+ if (writeMask & WRITEMASK_Y)
+ dst[1] = value[1];
+ if (writeMask & WRITEMASK_Z)
+ dst[2] = value[2];
+ if (writeMask & WRITEMASK_W)
+ dst[3] = value[3];
+
+ if (inst->CondUpdate) {
+ if (writeMask & WRITEMASK_X)
+ machine->CondCodes[0] = generate_cc((float)value[0]);
+ if (writeMask & WRITEMASK_Y)
+ machine->CondCodes[1] = generate_cc((float)value[1]);
+ if (writeMask & WRITEMASK_Z)
+ machine->CondCodes[2] = generate_cc((float)value[2]);
+ if (writeMask & WRITEMASK_W)
+ machine->CondCodes[3] = generate_cc((float)value[3]);
+#if DEBUG_PROG
+ printf("CondCodes=(%s,%s,%s,%s) for:\n",
+ _mesa_condcode_string(machine->CondCodes[0]),
+ _mesa_condcode_string(machine->CondCodes[1]),
+ _mesa_condcode_string(machine->CondCodes[2]),
+ _mesa_condcode_string(machine->CondCodes[3]));
+#endif
+ }
+}
+
+
+
+/**
+ * Execute the given vertex/fragment program.
+ *
+ * \param ctx rendering context
+ * \param program the program to execute
+ * \param machine machine state (must be initialized)
+ * \return GL_TRUE if program completed or GL_FALSE if program executed KIL.
+ */
+GLboolean
+_mesa_execute_program(struct gl_context * ctx,
+ const struct gl_program *program,
+ struct gl_program_machine *machine)
+{
+ const GLuint numInst = program->NumInstructions;
+ const GLuint maxExec = 10000;
+ GLuint pc, numExec = 0;
+
+ machine->CurProgram = program;
+
+ if (DEBUG_PROG) {
+ printf("execute program %u --------------------\n", program->Id);
+ }
+
+ if (program->Target == GL_VERTEX_PROGRAM_ARB) {
+ machine->EnvParams = ctx->VertexProgram.Parameters;
+ }
+ else {
+ machine->EnvParams = ctx->FragmentProgram.Parameters;
+ }
+
+ for (pc = 0; pc < numInst; pc++) {
+ const struct prog_instruction *inst = program->Instructions + pc;
+
+ if (DEBUG_PROG) {
+ _mesa_print_instruction(inst);
+ }
+
+ switch (inst->Opcode) {
+ case OPCODE_ABS:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = FABSF(a[0]);
+ result[1] = FABSF(a[1]);
+ result[2] = FABSF(a[2]);
+ result[3] = FABSF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_ADD:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] + b[0];
+ result[1] = a[1] + b[1];
+ result[2] = a[2] + b[2];
+ result[3] = a[3] + b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_AND: /* bitwise AND */
+ {
+ GLuint a[4], b[4], result[4];
+ fetch_vector4ui(&inst->SrcReg[0], machine, a);
+ fetch_vector4ui(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] & b[0];
+ result[1] = a[1] & b[1];
+ result[2] = a[2] & b[2];
+ result[3] = a[3] & b[3];
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_ARL:
+ {
+ GLfloat t[4];
+ fetch_vector4(&inst->SrcReg[0], machine, t);
+ machine->AddressReg[0][0] = IFLOOR(t[0]);
+ if (DEBUG_PROG) {
+ printf("ARL %d\n", machine->AddressReg[0][0]);
+ }
+ }
+ break;
+ case OPCODE_BGNLOOP:
+ /* no-op */
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ENDLOOP);
+ break;
+ case OPCODE_ENDLOOP:
+ /* subtract 1 here since pc is incremented by for(pc) loop */
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_BGNLOOP);
+ pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */
+ break;
+ case OPCODE_BGNSUB: /* begin subroutine */
+ break;
+ case OPCODE_ENDSUB: /* end subroutine */
+ break;
+ case OPCODE_BRA: /* branch (conditional) */
+ if (eval_condition(machine, inst)) {
+ /* take branch */
+ /* Subtract 1 here since we'll do pc++ below */
+ pc = inst->BranchTarget - 1;
+ }
+ break;
+ case OPCODE_BRK: /* break out of loop (conditional) */
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ENDLOOP);
+ if (eval_condition(machine, inst)) {
+ /* break out of loop */
+ /* pc++ at end of for-loop will put us after the ENDLOOP inst */
+ pc = inst->BranchTarget;
+ }
+ break;
+ case OPCODE_CONT: /* continue loop (conditional) */
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ENDLOOP);
+ if (eval_condition(machine, inst)) {
+ /* continue at ENDLOOP */
+ /* Subtract 1 here since we'll do pc++ at end of for-loop */
+ pc = inst->BranchTarget - 1;
+ }
+ break;
+ case OPCODE_CAL: /* Call subroutine (conditional) */
+ if (eval_condition(machine, inst)) {
+ /* call the subroutine */
+ if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) {
+ return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
+ }
+ machine->CallStack[machine->StackDepth++] = pc + 1; /* next inst */
+ /* Subtract 1 here since we'll do pc++ at end of for-loop */
+ pc = inst->BranchTarget - 1;
+ }
+ break;
+ case OPCODE_CMP:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ fetch_vector4(&inst->SrcReg[2], machine, c);
+ result[0] = a[0] < 0.0F ? b[0] : c[0];
+ result[1] = a[1] < 0.0F ? b[1] : c[1];
+ result[2] = a[2] < 0.0F ? b[2] : c[2];
+ result[3] = a[3] < 0.0F ? b[3] : c[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("CMP (%g %g %g %g) = (%g %g %g %g) < 0 ? (%g %g %g %g) : (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3],
+ c[0], c[1], c[2], c[3]);
+ }
+ }
+ break;
+ case OPCODE_COS:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) cos(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DDX: /* Partial derivative with respect to X */
+ {
+ GLfloat result[4];
+ fetch_vector4_deriv(ctx, &inst->SrcReg[0], machine,
+ 'X', result);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DDY: /* Partial derivative with respect to Y */
+ {
+ GLfloat result[4];
+ fetch_vector4_deriv(ctx, &inst->SrcReg[0], machine,
+ 'Y', result);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DP2:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT2(a, b);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP2 %g = (%g %g) . (%g %g)\n",
+ result[0], a[0], a[1], b[0], b[1]);
+ }
+ }
+ break;
+ case OPCODE_DP2A:
+ {
+ GLfloat a[4], b[4], c, result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ fetch_vector1(&inst->SrcReg[1], machine, &c);
+ result[0] = result[1] = result[2] = result[3] = DOT2(a, b) + c;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP2A %g = (%g %g) . (%g %g) + %g\n",
+ result[0], a[0], a[1], b[0], b[1], c);
+ }
+ }
+ break;
+ case OPCODE_DP3:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT3(a, b);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP3 %g = (%g %g %g) . (%g %g %g)\n",
+ result[0], a[0], a[1], a[2], b[0], b[1], b[2]);
+ }
+ }
+ break;
+ case OPCODE_DP4:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT4(a, b);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n",
+ result[0], a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_DPH:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT3(a, b) + b[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DST: /* Distance vector */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = 1.0F;
+ result[1] = a[1] * b[1];
+ result[2] = a[2];
+ result[3] = b[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_EXP:
+ {
+ GLfloat t[4], q[4], floor_t0;
+ fetch_vector1(&inst->SrcReg[0], machine, t);
+ floor_t0 = FLOORF(t[0]);
+ if (floor_t0 > FLT_MAX_EXP) {
+ SET_POS_INFINITY(q[0]);
+ SET_POS_INFINITY(q[2]);
+ }
+ else if (floor_t0 < FLT_MIN_EXP) {
+ q[0] = 0.0F;
+ q[2] = 0.0F;
+ }
+ else {
+ q[0] = LDEXPF(1.0, (int) floor_t0);
+ /* Note: GL_NV_vertex_program expects
+ * result.z = result.x * APPX(result.y)
+ * We do what the ARB extension says.
+ */
+ q[2] = (GLfloat) pow(2.0, t[0]);
+ }
+ q[1] = t[0] - floor_t0;
+ q[3] = 1.0F;
+ store_vector4( inst, machine, q );
+ }
+ break;
+ case OPCODE_EX2: /* Exponential base 2 */
+ {
+ GLfloat a[4], result[4], val;
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ val = (GLfloat) pow(2.0, a[0]);
+ /*
+ if (IS_INF_OR_NAN(val))
+ val = 1.0e10;
+ */
+ result[0] = result[1] = result[2] = result[3] = val;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_FLR:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = FLOORF(a[0]);
+ result[1] = FLOORF(a[1]);
+ result[2] = FLOORF(a[2]);
+ result[3] = FLOORF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_FRC:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = a[0] - FLOORF(a[0]);
+ result[1] = a[1] - FLOORF(a[1]);
+ result[2] = a[2] - FLOORF(a[2]);
+ result[3] = a[3] - FLOORF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_IF:
+ {
+ GLboolean cond;
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ELSE ||
+ program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ENDIF);
+ /* eval condition */
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
+ GLfloat a[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ cond = (a[0] != 0.0);
+ }
+ else {
+ cond = eval_condition(machine, inst);
+ }
+ if (DEBUG_PROG) {
+ printf("IF: %d\n", cond);
+ }
+ /* do if/else */
+ if (cond) {
+ /* do if-clause (just continue execution) */
+ }
+ else {
+ /* go to the instruction after ELSE or ENDIF */
+ assert(inst->BranchTarget >= 0);
+ pc = inst->BranchTarget;
+ }
+ }
+ break;
+ case OPCODE_ELSE:
+ /* goto ENDIF */
+ ASSERT(program->Instructions[inst->BranchTarget].Opcode
+ == OPCODE_ENDIF);
+ assert(inst->BranchTarget >= 0);
+ pc = inst->BranchTarget;
+ break;
+ case OPCODE_ENDIF:
+ /* nothing */
+ break;
+ case OPCODE_KIL_NV: /* NV_f_p only (conditional) */
+ if (eval_condition(machine, inst)) {
+ return GL_FALSE;
+ }
+ break;
+ case OPCODE_KIL: /* ARB_f_p only */
+ {
+ GLfloat a[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ if (DEBUG_PROG) {
+ printf("KIL if (%g %g %g %g) <= 0.0\n",
+ a[0], a[1], a[2], a[3]);
+ }
+
+ if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) {
+ return GL_FALSE;
+ }
+ }
+ break;
+ case OPCODE_LG2: /* log base 2 */
+ {
+ GLfloat a[4], result[4], val;
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ /* The fast LOG2 macro doesn't meet the precision requirements.
+ */
+ if (a[0] == 0.0F) {
+ val = -FLT_MAX;
+ }
+ else {
+ val = (float)(log(a[0]) * 1.442695F);
+ }
+ result[0] = result[1] = result[2] = result[3] = val;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_LIT:
+ {
+ const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ a[0] = MAX2(a[0], 0.0F);
+ a[1] = MAX2(a[1], 0.0F);
+ /* XXX ARB version clamps a[3], NV version doesn't */
+ a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon));
+ result[0] = 1.0F;
+ result[1] = a[0];
+ /* XXX we could probably just use pow() here */
+ if (a[0] > 0.0F) {
+ if (a[1] == 0.0 && a[3] == 0.0)
+ result[2] = 1.0F;
+ else
+ result[2] = (GLfloat) pow(a[1], a[3]);
+ }
+ else {
+ result[2] = 0.0F;
+ }
+ result[3] = 1.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("LIT (%g %g %g %g) : (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3]);
+ }
+ }
+ break;
+ case OPCODE_LOG:
+ {
+ GLfloat t[4], q[4], abs_t0;
+ fetch_vector1(&inst->SrcReg[0], machine, t);
+ abs_t0 = FABSF(t[0]);
+ if (abs_t0 != 0.0F) {
+ /* Since we really can't handle infinite values on VMS
+ * like other OSes we'll use __MAXFLOAT to represent
+ * infinity. This may need some tweaking.
+ */
+#ifdef VMS
+ if (abs_t0 == __MAXFLOAT)
+#else
+ if (IS_INF_OR_NAN(abs_t0))
+#endif
+ {
+ SET_POS_INFINITY(q[0]);
+ q[1] = 1.0F;
+ SET_POS_INFINITY(q[2]);
+ }
+ else {
+ int exponent;
+ GLfloat mantissa = FREXPF(t[0], &exponent);
+ q[0] = (GLfloat) (exponent - 1);
+ q[1] = (GLfloat) (2.0 * mantissa); /* map [.5, 1) -> [1, 2) */
+
+ /* The fast LOG2 macro doesn't meet the precision
+ * requirements.
+ */
+ q[2] = (float)(log(t[0]) * 1.442695F);
+ }
+ }
+ else {
+ SET_NEG_INFINITY(q[0]);
+ q[1] = 1.0F;
+ SET_NEG_INFINITY(q[2]);
+ }
+ q[3] = 1.0;
+ store_vector4(inst, machine, q);
+ }
+ break;
+ case OPCODE_LRP:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ fetch_vector4(&inst->SrcReg[2], machine, c);
+ result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0];
+ result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1];
+ result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2];
+ result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("LRP (%g %g %g %g) = (%g %g %g %g), "
+ "(%g %g %g %g), (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
+ }
+ }
+ break;
+ case OPCODE_MAD:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ fetch_vector4(&inst->SrcReg[2], machine, c);
+ result[0] = a[0] * b[0] + c[0];
+ result[1] = a[1] * b[1] + c[1];
+ result[2] = a[2] * b[2] + c[2];
+ result[3] = a[3] * b[3] + c[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MAD (%g %g %g %g) = (%g %g %g %g) * "
+ "(%g %g %g %g) + (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
+ }
+ }
+ break;
+ case OPCODE_MAX:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = MAX2(a[0], b[0]);
+ result[1] = MAX2(a[1], b[1]);
+ result[2] = MAX2(a[2], b[2]);
+ result[3] = MAX2(a[3], b[3]);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_MIN:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = MIN2(a[0], b[0]);
+ result[1] = MIN2(a[1], b[1]);
+ result[2] = MIN2(a[2], b[2]);
+ result[3] = MIN2(a[3], b[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_MOV:
+ {
+ GLfloat result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, result);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MOV (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3]);
+ }
+ }
+ break;
+ case OPCODE_MUL:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] * b[0];
+ result[1] = a[1] * b[1];
+ result[2] = a[2] * b[2];
+ result[3] = a[3] * b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_NOISE1:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = _mesa_noise1(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE2:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] =
+ result[1] =
+ result[2] = result[3] = _mesa_noise2(a[0], a[1]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE3:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = _mesa_noise3(a[0], a[1], a[2]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE4:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = _mesa_noise4(a[0], a[1], a[2], a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOP:
+ break;
+ case OPCODE_NOT: /* bitwise NOT */
+ {
+ GLuint a[4], result[4];
+ fetch_vector4ui(&inst->SrcReg[0], machine, a);
+ result[0] = ~a[0];
+ result[1] = ~a[1];
+ result[2] = ~a[2];
+ result[3] = ~a[3];
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_NRM3: /* 3-component normalization */
+ {
+ GLfloat a[4], result[4];
+ GLfloat tmp;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2];
+ if (tmp != 0.0F)
+ tmp = INV_SQRTF(tmp);
+ result[0] = tmp * a[0];
+ result[1] = tmp * a[1];
+ result[2] = tmp * a[2];
+ result[3] = 0.0; /* undefined, but prevent valgrind warnings */
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NRM4: /* 4-component normalization */
+ {
+ GLfloat a[4], result[4];
+ GLfloat tmp;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2] + a[3] * a[3];
+ if (tmp != 0.0F)
+ tmp = INV_SQRTF(tmp);
+ result[0] = tmp * a[0];
+ result[1] = tmp * a[1];
+ result[2] = tmp * a[2];
+ result[3] = tmp * a[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_OR: /* bitwise OR */
+ {
+ GLuint a[4], b[4], result[4];
+ fetch_vector4ui(&inst->SrcReg[0], machine, a);
+ fetch_vector4ui(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] | b[0];
+ result[1] = a[1] | b[1];
+ result[2] = a[2] | b[2];
+ result[3] = a[3] | b[3];
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */
+ {
+ GLfloat a[4];
+ GLuint result[4];
+ GLhalfNV hx, hy;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ hx = _mesa_float_to_half(a[0]);
+ hy = _mesa_float_to_half(a[1]);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = hx | (hy << 16);
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */
+ {
+ GLfloat a[4];
+ GLuint result[4], usx, usy;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[1], 0.0F, 1.0F);
+ usx = IROUND(a[0] * 65535.0F);
+ usy = IROUND(a[1] * 65535.0F);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = usx | (usy << 16);
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */
+ {
+ GLfloat a[4];
+ GLuint result[4], ubx, uby, ubz, ubw;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F);
+ a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F);
+ a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F);
+ a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F);
+ ubx = IROUND(127.0F * a[0] + 128.0F);
+ uby = IROUND(127.0F * a[1] + 128.0F);
+ ubz = IROUND(127.0F * a[2] + 128.0F);
+ ubw = IROUND(127.0F * a[3] + 128.0F);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */
+ {
+ GLfloat a[4];
+ GLuint result[4], ubx, uby, ubz, ubw;
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[1], 0.0F, 1.0F);
+ a[2] = CLAMP(a[2], 0.0F, 1.0F);
+ a[3] = CLAMP(a[3], 0.0F, 1.0F);
+ ubx = IROUND(255.0F * a[0]);
+ uby = IROUND(255.0F * a[1]);
+ ubz = IROUND(255.0F * a[2]);
+ ubw = IROUND(255.0F * a[3]);
+ result[0] =
+ result[1] =
+ result[2] =
+ result[3] = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_POW:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ fetch_vector1(&inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) pow(a[0], b[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RCC: /* clamped riciprocal */
+ {
+ const float largest = 1.884467e+19, smallest = 5.42101e-20;
+ GLfloat a[4], r, result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ if (DEBUG_PROG) {
+ if (a[0] == 0)
+ printf("RCC(0)\n");
+ else if (IS_INF_OR_NAN(a[0]))
+ printf("RCC(inf)\n");
+ }
+ if (a[0] == 1.0F) {
+ r = 1.0F;
+ }
+ else {
+ r = 1.0F / a[0];
+ }
+ if (positive(r)) {
+ if (r > largest) {
+ r = largest;
+ }
+ else if (r < smallest) {
+ r = smallest;
+ }
+ }
+ else {
+ if (r < -largest) {
+ r = -largest;
+ }
+ else if (r > -smallest) {
+ r = -smallest;
+ }
+ }
+ result[0] = result[1] = result[2] = result[3] = r;
+ store_vector4(inst, machine, result);
+ }
+ break;
+
+ case OPCODE_RCP:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ if (DEBUG_PROG) {
+ if (a[0] == 0)
+ printf("RCP(0)\n");
+ else if (IS_INF_OR_NAN(a[0]))
+ printf("RCP(inf)\n");
+ }
+ result[0] = result[1] = result[2] = result[3] = 1.0F / a[0];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RET: /* return from subroutine (conditional) */
+ if (eval_condition(machine, inst)) {
+ if (machine->StackDepth == 0) {
+ return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
+ }
+ /* subtract one because of pc++ in the for loop */
+ pc = machine->CallStack[--machine->StackDepth] - 1;
+ }
+ break;
+ case OPCODE_RFL: /* reflection vector */
+ {
+ GLfloat axis[4], dir[4], result[4], tmpX, tmpW;
+ fetch_vector4(&inst->SrcReg[0], machine, axis);
+ fetch_vector4(&inst->SrcReg[1], machine, dir);
+ tmpW = DOT3(axis, axis);
+ tmpX = (2.0F * DOT3(axis, dir)) / tmpW;
+ result[0] = tmpX * axis[0] - dir[0];
+ result[1] = tmpX * axis[1] - dir[1];
+ result[2] = tmpX * axis[2] - dir[2];
+ /* result[3] is never written! XXX enforce in parser! */
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RSQ: /* 1 / sqrt() */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ a[0] = FABSF(a[0]);
+ result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]);
+ }
+ }
+ break;
+ case OPCODE_SCS: /* sine and cos */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ result[0] = (GLfloat) cos(a[0]);
+ result[1] = (GLfloat) sin(a[0]);
+ result[2] = 0.0; /* undefined! */
+ result[3] = 0.0; /* undefined! */
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SEQ: /* set on equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] == b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] == b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] == b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] == b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SEQ (%g %g %g %g) = (%g %g %g %g) == (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SFL: /* set false, operands ignored */
+ {
+ static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SGE: /* set on greater or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SGE (%g %g %g %g) = (%g %g %g %g) >= (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SGT: /* set on greater */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] > b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] > b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] > b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] > b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SGT (%g %g %g %g) = (%g %g %g %g) > (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SIN:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(&inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) sin(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SLE: /* set on less or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SLE (%g %g %g %g) = (%g %g %g %g) <= (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SLT: /* set on less */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] < b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] < b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] < b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] < b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SLT (%g %g %g %g) = (%g %g %g %g) < (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SNE: /* set on not equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = (a[0] != b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] != b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] != b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] != b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SNE (%g %g %g %g) = (%g %g %g %g) != (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SSG: /* set sign (-1, 0 or +1) */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = (GLfloat) ((a[0] > 0.0F) - (a[0] < 0.0F));
+ result[1] = (GLfloat) ((a[1] > 0.0F) - (a[1] < 0.0F));
+ result[2] = (GLfloat) ((a[2] > 0.0F) - (a[2] < 0.0F));
+ result[3] = (GLfloat) ((a[3] > 0.0F) - (a[3] < 0.0F));
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_STR: /* set true, operands ignored */
+ {
+ static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F };
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SUB:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] - b[0];
+ result[1] = a[1] - b[1];
+ result[2] = a[2] - b[2];
+ result[3] = a[3] - b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
+ }
+ }
+ break;
+ case OPCODE_SWZ: /* extended swizzle */
+ {
+ const struct prog_src_register *source = &inst->SrcReg[0];
+ const GLfloat *src = get_src_register_pointer(source, machine);
+ GLfloat result[4];
+ GLuint i;
+ for (i = 0; i < 4; i++) {
+ const GLuint swz = GET_SWZ(source->Swizzle, i);
+ if (swz == SWIZZLE_ZERO)
+ result[i] = 0.0;
+ else if (swz == SWIZZLE_ONE)
+ result[i] = 1.0;
+ else {
+ ASSERT(swz >= 0);
+ ASSERT(swz <= 3);
+ result[i] = src[swz];
+ }
+ if (source->Negate & (1 << i))
+ result[i] = -result[i];
+ }
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_TEX: /* Both ARB and NV frag prog */
+ /* Simple texel lookup */
+ {
+ GLfloat texcoord[4], color[4];
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+
+ fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
+
+ if (DEBUG_PROG) {
+ printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g]\n",
+ color[0], color[1], color[2], color[3],
+ inst->TexSrcUnit,
+ texcoord[0], texcoord[1], texcoord[2], texcoord[3]);
+ }
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXB: /* GL_ARB_fragment_program only */
+ /* Texel lookup with LOD bias */
+ {
+ GLfloat texcoord[4], color[4], lodBias;
+
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+
+ /* texcoord[3] is the bias to add to lambda */
+ lodBias = texcoord[3];
+
+ fetch_texel(ctx, machine, inst, texcoord, lodBias, color);
+
+ if (DEBUG_PROG) {
+ printf("TXB (%g, %g, %g, %g) = texture[%d][%g %g %g %g]"
+ " bias %g\n",
+ color[0], color[1], color[2], color[3],
+ inst->TexSrcUnit,
+ texcoord[0],
+ texcoord[1],
+ texcoord[2],
+ texcoord[3],
+ lodBias);
+ }
+
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXD: /* GL_NV_fragment_program only */
+ /* Texture lookup w/ partial derivatives for LOD */
+ {
+ GLfloat texcoord[4], dtdx[4], dtdy[4], color[4];
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+ fetch_vector4(&inst->SrcReg[1], machine, dtdx);
+ fetch_vector4(&inst->SrcReg[2], machine, dtdy);
+ machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy,
+ 0.0, /* lodBias */
+ inst->TexSrcUnit, color);
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXL:
+ /* Texel lookup with explicit LOD */
+ {
+ GLfloat texcoord[4], color[4], lod;
+
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+
+ /* texcoord[3] is the LOD */
+ lod = texcoord[3];
+
+ machine->FetchTexelLod(ctx, texcoord, lod,
+ machine->Samplers[inst->TexSrcUnit], color);
+
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXP: /* GL_ARB_fragment_program only */
+ /* Texture lookup w/ projective divide */
+ {
+ GLfloat texcoord[4], color[4];
+
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+ /* Not so sure about this test - if texcoord[3] is
+ * zero, we'd probably be fine except for an ASSERT in
+ * IROUND_POS() which gets triggered by the inf values created.
+ */
+ if (texcoord[3] != 0.0) {
+ texcoord[0] /= texcoord[3];
+ texcoord[1] /= texcoord[3];
+ texcoord[2] /= texcoord[3];
+ }
+
+ fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
+
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXP_NV: /* GL_NV_fragment_program only */
+ /* Texture lookup w/ projective divide, as above, but do not
+ * do the divide by w if sampling from a cube map.
+ */
+ {
+ GLfloat texcoord[4], color[4];
+
+ fetch_vector4(&inst->SrcReg[0], machine, texcoord);
+ if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX &&
+ texcoord[3] != 0.0) {
+ texcoord[0] /= texcoord[3];
+ texcoord[1] /= texcoord[3];
+ texcoord[2] /= texcoord[3];
+ }
+
+ fetch_texel(ctx, machine, inst, texcoord, 0.0, color);
+
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TRUNC: /* truncate toward zero */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = (GLfloat) (GLint) a[0];
+ result[1] = (GLfloat) (GLint) a[1];
+ result[2] = (GLfloat) (GLint) a[2];
+ result[3] = (GLfloat) (GLint) a[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP2H: /* unpack two 16-bit floats */
+ {
+ const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+ GLfloat result[4];
+ GLushort hx, hy;
+ hx = raw & 0xffff;
+ hy = raw >> 16;
+ result[0] = result[2] = _mesa_half_to_float(hx);
+ result[1] = result[3] = _mesa_half_to_float(hy);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP2US: /* unpack two GLushorts */
+ {
+ const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+ GLfloat result[4];
+ GLushort usx, usy;
+ usx = raw & 0xffff;
+ usy = raw >> 16;
+ result[0] = result[2] = usx * (1.0f / 65535.0f);
+ result[1] = result[3] = usy * (1.0f / 65535.0f);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP4B: /* unpack four GLbytes */
+ {
+ const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+ GLfloat result[4];
+ result[0] = (((raw >> 0) & 0xff) - 128) / 127.0F;
+ result[1] = (((raw >> 8) & 0xff) - 128) / 127.0F;
+ result[2] = (((raw >> 16) & 0xff) - 128) / 127.0F;
+ result[3] = (((raw >> 24) & 0xff) - 128) / 127.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP4UB: /* unpack four GLubytes */
+ {
+ const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+ GLfloat result[4];
+ result[0] = ((raw >> 0) & 0xff) / 255.0F;
+ result[1] = ((raw >> 8) & 0xff) / 255.0F;
+ result[2] = ((raw >> 16) & 0xff) / 255.0F;
+ result[3] = ((raw >> 24) & 0xff) / 255.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_XOR: /* bitwise XOR */
+ {
+ GLuint a[4], b[4], result[4];
+ fetch_vector4ui(&inst->SrcReg[0], machine, a);
+ fetch_vector4ui(&inst->SrcReg[1], machine, b);
+ result[0] = a[0] ^ b[0];
+ result[1] = a[1] ^ b[1];
+ result[2] = a[2] ^ b[2];
+ result[3] = a[3] ^ b[3];
+ store_vector4ui(inst, machine, result);
+ }
+ break;
+ case OPCODE_XPD: /* cross product */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ result[0] = a[1] * b[2] - a[2] * b[1];
+ result[1] = a[2] * b[0] - a[0] * b[2];
+ result[2] = a[0] * b[1] - a[1] * b[0];
+ result[3] = 1.0;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("XPD (%g %g %g %g) = (%g %g %g) X (%g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], b[0], b[1], b[2]);
+ }
+ }
+ break;
+ case OPCODE_X2D: /* 2-D matrix transform */
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ fetch_vector4(&inst->SrcReg[1], machine, b);
+ fetch_vector4(&inst->SrcReg[2], machine, c);
+ result[0] = a[0] + b[0] * c[0] + b[1] * c[1];
+ result[1] = a[1] + b[0] * c[2] + b[1] * c[3];
+ result[2] = a[2] + b[0] * c[0] + b[1] * c[1];
+ result[3] = a[3] + b[0] * c[2] + b[1] * c[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_PRINT:
+ {
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
+ GLfloat a[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
+ a[0], a[1], a[2], a[3]);
+ }
+ else {
+ printf("%s\n", (const char *) inst->Data);
+ }
+ }
+ break;
+ case OPCODE_END:
+ return GL_TRUE;
+ default:
+ _mesa_problem(ctx, "Bad opcode %d in _mesa_execute_program",
+ inst->Opcode);
+ return GL_TRUE; /* return value doesn't matter */
+ }
+
+ numExec++;
+ if (numExec > maxExec) {
+ static GLboolean reported = GL_FALSE;
+ if (!reported) {
+ _mesa_problem(ctx, "Infinite loop detected in fragment program");
+ reported = GL_TRUE;
+ }
+ return GL_TRUE;
+ }
+
+ } /* for pc */
+
+ return GL_TRUE;
+}
diff --git a/mesalib/src/mesa/program/prog_parameter.c b/mesalib/src/mesa/program/prog_parameter.c
index 157e31b56..49b3ffbdd 100644
--- a/mesalib/src/mesa/program/prog_parameter.c
+++ b/mesalib/src/mesa/program/prog_parameter.c
@@ -1,656 +1,680 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.3
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file prog_parameter.c
- * Program parameter lists and functions.
- * \author Brian Paul
- */
-
-
-#include "main/glheader.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "prog_instruction.h"
-#include "prog_parameter.h"
-#include "prog_statevars.h"
-
-
-struct gl_program_parameter_list *
-_mesa_new_parameter_list(void)
-{
- return CALLOC_STRUCT(gl_program_parameter_list);
-}
-
-
-struct gl_program_parameter_list *
-_mesa_new_parameter_list_sized(unsigned size)
-{
- struct gl_program_parameter_list *p = _mesa_new_parameter_list();
-
- if ((p != NULL) && (size != 0)) {
- p->Size = size;
-
- /* alloc arrays */
- p->Parameters = (struct gl_program_parameter *)
- calloc(1, size * sizeof(struct gl_program_parameter));
-
- p->ParameterValues = (GLfloat (*)[4])
- _mesa_align_malloc(size * 4 *sizeof(GLfloat), 16);
-
-
- if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
- free(p->Parameters);
- _mesa_align_free(p->ParameterValues);
- free(p);
- p = NULL;
- }
- }
-
- return p;
-}
-
-
-/**
- * Free a parameter list and all its parameters
- */
-void
-_mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
-{
- GLuint i;
- for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name)
- free((void *) paramList->Parameters[i].Name);
- }
- free(paramList->Parameters);
- if (paramList->ParameterValues)
- _mesa_align_free(paramList->ParameterValues);
- free(paramList);
-}
-
-
-/**
- * Add a new parameter to a parameter list.
- * Note that parameter values are usually 4-element GLfloat vectors.
- * When size > 4 we'll allocate a sequential block of parameters to
- * store all the values (in blocks of 4).
- *
- * \param paramList the list to add the parameter to
- * \param type type of parameter, such as
- * \param name the parameter name, will be duplicated/copied!
- * \param size number of elements in 'values' vector (1..4, or more)
- * \param datatype GL_FLOAT, GL_FLOAT_VECx, GL_INT, GL_INT_VECx or GL_NONE.
- * \param values initial parameter value, up to 4 GLfloats, or NULL
- * \param state state indexes, or NULL
- * \return index of new parameter in the list, or -1 if error (out of mem)
- */
-GLint
-_mesa_add_parameter(struct gl_program_parameter_list *paramList,
- gl_register_file type, const char *name,
- GLuint size, GLenum datatype, const GLfloat *values,
- const gl_state_index state[STATE_LENGTH],
- GLbitfield flags)
-{
- const GLuint oldNum = paramList->NumParameters;
- const GLuint sz4 = (size + 3) / 4; /* no. of new param slots needed */
-
- assert(size > 0);
-
- if (oldNum + sz4 > paramList->Size) {
- /* Need to grow the parameter list array (alloc some extra) */
- paramList->Size = paramList->Size + 4 * sz4;
-
- /* realloc arrays */
- paramList->Parameters = (struct gl_program_parameter *)
- _mesa_realloc(paramList->Parameters,
- oldNum * sizeof(struct gl_program_parameter),
- paramList->Size * sizeof(struct gl_program_parameter));
-
- paramList->ParameterValues = (GLfloat (*)[4])
- _mesa_align_realloc(paramList->ParameterValues, /* old buf */
- oldNum * 4 * sizeof(GLfloat), /* old size */
- paramList->Size * 4 *sizeof(GLfloat), /* new sz */
- 16);
- }
-
- if (!paramList->Parameters ||
- !paramList->ParameterValues) {
- /* out of memory */
- paramList->NumParameters = 0;
- paramList->Size = 0;
- return -1;
- }
- else {
- GLuint i;
-
- paramList->NumParameters = oldNum + sz4;
-
- memset(¶mList->Parameters[oldNum], 0,
- sz4 * sizeof(struct gl_program_parameter));
-
- for (i = 0; i < sz4; i++) {
- struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
- p->Name = name ? _mesa_strdup(name) : NULL;
- p->Type = type;
- p->Size = size;
- p->DataType = datatype;
- p->Flags = flags;
- if (values) {
- COPY_4V(paramList->ParameterValues[oldNum + i], values);
- values += 4;
- p->Initialized = GL_TRUE;
- }
- else {
- /* silence valgrind */
- ASSIGN_4V(paramList->ParameterValues[oldNum + i], 0, 0, 0, 0);
- }
- size -= 4;
- }
-
- if (state) {
- for (i = 0; i < STATE_LENGTH; i++)
- paramList->Parameters[oldNum].StateIndexes[i] = state[i];
- }
-
- return (GLint) oldNum;
- }
-}
-
-
-/**
- * Add a new named program parameter (Ex: NV_fragment_program DEFINE statement)
- * \return index of the new entry in the parameter list
- */
-GLint
-_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
- const char *name, const GLfloat values[4])
-{
- return _mesa_add_parameter(paramList, PROGRAM_NAMED_PARAM, name,
- 4, GL_NONE, values, NULL, 0x0);
-
-}
-
-
-/**
- * Add a new named constant to the parameter list.
- * This will be used when the program contains something like this:
- * PARAM myVals = { 0, 1, 2, 3 };
- *
- * \param paramList the parameter list
- * \param name the name for the constant
- * \param values four float values
- * \return index/position of the new parameter in the parameter list
- */
-GLint
-_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
- const char *name, const GLfloat values[4],
- GLuint size)
-{
- /* first check if this is a duplicate constant */
- GLint pos;
- for (pos = 0; pos < (GLint)paramList->NumParameters; pos++) {
- const GLfloat *pvals = paramList->ParameterValues[pos];
- if (pvals[0] == values[0] &&
- pvals[1] == values[1] &&
- pvals[2] == values[2] &&
- pvals[3] == values[3] &&
- strcmp(paramList->Parameters[pos].Name, name) == 0) {
- /* Same name and value is already in the param list - reuse it */
- return pos;
- }
- }
- /* not found, add new parameter */
- return _mesa_add_parameter(paramList, PROGRAM_CONSTANT, name,
- size, GL_NONE, values, NULL, 0x0);
-}
-
-
-/**
- * Add a new unnamed constant to the parameter list. This will be used
- * when a fragment/vertex program contains something like this:
- * MOV r, { 0, 1, 2, 3 };
- * If swizzleOut is non-null we'll search the parameter list for an
- * existing instance of the constant which matches with a swizzle.
- *
- * \param paramList the parameter list
- * \param values four float values
- * \param swizzleOut returns swizzle mask for accessing the constant
- * \return index/position of the new parameter in the parameter list.
- */
-GLint
-_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
- const GLfloat values[4], GLuint size,
- GLuint *swizzleOut)
-{
- GLint pos;
- ASSERT(size >= 1);
- ASSERT(size <= 4);
-
- if (swizzleOut &&
- _mesa_lookup_parameter_constant(paramList, values,
- size, &pos, swizzleOut)) {
- return pos;
- }
-
- /* Look for empty space in an already unnamed constant parameter
- * to add this constant. This will only work for single-element
- * constants because we rely on smearing (i.e. .yyyy or .zzzz).
- */
- if (size == 1 && swizzleOut) {
- for (pos = 0; pos < (GLint) paramList->NumParameters; pos++) {
- struct gl_program_parameter *p = paramList->Parameters + pos;
- if (p->Type == PROGRAM_CONSTANT && p->Size + size <= 4) {
- /* ok, found room */
- GLfloat *pVal = paramList->ParameterValues[pos];
- GLuint swz = p->Size; /* 1, 2 or 3 for Y, Z, W */
- pVal[p->Size] = values[0];
- p->Size++;
- *swizzleOut = MAKE_SWIZZLE4(swz, swz, swz, swz);
- return pos;
- }
- }
- }
-
- /* add a new parameter to store this constant */
- pos = _mesa_add_parameter(paramList, PROGRAM_CONSTANT, NULL,
- size, GL_NONE, values, NULL, 0x0);
- if (pos >= 0 && swizzleOut) {
- if (size == 1)
- *swizzleOut = SWIZZLE_XXXX;
- else
- *swizzleOut = SWIZZLE_NOOP;
- }
- return pos;
-}
-
-/**
- * Add parameter representing a varying variable.
- */
-GLint
-_mesa_add_varying(struct gl_program_parameter_list *paramList,
- const char *name, GLuint size, GLenum datatype,
- GLbitfield flags)
-{
- GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
- if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_VARYING) {
- /* already in list */
- return i;
- }
- else {
- /*assert(size == 4);*/
- i = _mesa_add_parameter(paramList, PROGRAM_VARYING, name,
- size, datatype, NULL, NULL, flags);
- return i;
- }
-}
-
-
-/**
- * Add parameter representing a vertex program attribute.
- * \param size size of attribute (in floats), may be -1 if unknown
- * \param attrib the attribute index, or -1 if unknown
- */
-GLint
-_mesa_add_attribute(struct gl_program_parameter_list *paramList,
- const char *name, GLint size, GLenum datatype, GLint attrib)
-{
- GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
- if (i >= 0) {
- /* replace */
- if (attrib < 0)
- attrib = i;
- paramList->Parameters[i].StateIndexes[0] = attrib;
- }
- else {
- /* add */
- gl_state_index state[STATE_LENGTH];
- state[0] = (gl_state_index) attrib;
- if (size < 0)
- size = 4;
- i = _mesa_add_parameter(paramList, PROGRAM_INPUT, name,
- size, datatype, NULL, state, 0x0);
- }
- return i;
-}
-
-
-
-#if 0 /* not used yet */
-/**
- * Returns the number of 4-component registers needed to store a piece
- * of GL state. For matrices this may be as many as 4 registers,
- * everything else needs
- * just 1 register.
- */
-static GLuint
-sizeof_state_reference(const GLint *stateTokens)
-{
- if (stateTokens[0] == STATE_MATRIX) {
- GLuint rows = stateTokens[4] - stateTokens[3] + 1;
- assert(rows >= 1);
- assert(rows <= 4);
- return rows;
- }
- else {
- return 1;
- }
-}
-#endif
-
-
-/**
- * Add a new state reference to the parameter list.
- * This will be used when the program contains something like this:
- * PARAM ambient = state.material.front.ambient;
- *
- * \param paramList the parameter list
- * \param stateTokens an array of 5 (STATE_LENGTH) state tokens
- * \return index of the new parameter.
- */
-GLint
-_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
- const gl_state_index stateTokens[STATE_LENGTH])
-{
- const GLuint size = 4; /* XXX fix */
- char *name;
- GLint index;
-
- /* Check if the state reference is already in the list */
- for (index = 0; index < (GLint) paramList->NumParameters; index++) {
- if (!memcmp(paramList->Parameters[index].StateIndexes,
- stateTokens, STATE_LENGTH * sizeof(gl_state_index))) {
- return index;
- }
- }
-
- name = _mesa_program_state_string(stateTokens);
- index = _mesa_add_parameter(paramList, PROGRAM_STATE_VAR, name,
- size, GL_NONE,
- NULL, (gl_state_index *) stateTokens, 0x0);
- paramList->StateFlags |= _mesa_program_state_flags(stateTokens);
-
- /* free name string here since we duplicated it in add_parameter() */
- free(name);
-
- return index;
-}
-
-
-/**
- * Lookup a parameter value by name in the given parameter list.
- * \return pointer to the float[4] values.
- */
-GLfloat *
-_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
- GLsizei nameLen, const char *name)
-{
- GLint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
- if (i < 0)
- return NULL;
- else
- return paramList->ParameterValues[i];
-}
-
-
-/**
- * Given a program parameter name, find its position in the list of parameters.
- * \param paramList the parameter list to search
- * \param nameLen length of name (in chars).
- * If length is negative, assume that name is null-terminated.
- * \param name the name to search for
- * \return index of parameter in the list.
- */
-GLint
-_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
- GLsizei nameLen, const char *name)
-{
- GLint i;
-
- if (!paramList)
- return -1;
-
- if (nameLen == -1) {
- /* name is null-terminated */
- for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- strcmp(paramList->Parameters[i].Name, name) == 0)
- return i;
- }
- }
- else {
- /* name is not null-terminated, use nameLen */
- for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
- && strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
- return i;
- }
- }
- return -1;
-}
-
-
-/**
- * Look for a float vector in the given parameter list. The float vector
- * may be of length 1, 2, 3 or 4. If swizzleOut is non-null, we'll try
- * swizzling to find a match.
- * \param list the parameter list to search
- * \param v the float vector to search for
- * \param vSize number of element in v
- * \param posOut returns the position of the constant, if found
- * \param swizzleOut returns a swizzle mask describing location of the
- * vector elements if found.
- * \return GL_TRUE if found, GL_FALSE if not found
- */
-GLboolean
-_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
- const GLfloat v[], GLuint vSize,
- GLint *posOut, GLuint *swizzleOut)
-{
- GLuint i;
-
- assert(vSize >= 1);
- assert(vSize <= 4);
-
- if (!list) {
- *posOut = -1;
- return GL_FALSE;
- }
-
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == PROGRAM_CONSTANT) {
- if (!swizzleOut) {
- /* swizzle not allowed */
- GLuint j, match = 0;
- for (j = 0; j < vSize; j++) {
- if (v[j] == list->ParameterValues[i][j])
- match++;
- }
- if (match == vSize) {
- *posOut = i;
- return GL_TRUE;
- }
- }
- else {
- /* try matching w/ swizzle */
- if (vSize == 1) {
- /* look for v[0] anywhere within float[4] value */
- GLuint j;
- for (j = 0; j < list->Parameters[i].Size; j++) {
- if (list->ParameterValues[i][j] == v[0]) {
- /* found it */
- *posOut = i;
- *swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
- return GL_TRUE;
- }
- }
- }
- else if (vSize <= list->Parameters[i].Size) {
- /* see if we can match this constant (with a swizzle) */
- GLuint swz[4];
- GLuint match = 0, j, k;
- for (j = 0; j < vSize; j++) {
- if (v[j] == list->ParameterValues[i][j]) {
- swz[j] = j;
- match++;
- }
- else {
- for (k = 0; k < list->Parameters[i].Size; k++) {
- if (v[j] == list->ParameterValues[i][k]) {
- swz[j] = k;
- match++;
- break;
- }
- }
- }
- }
- /* smear last value to remaining positions */
- for (; j < 4; j++)
- swz[j] = swz[j-1];
-
- if (match == vSize) {
- *posOut = i;
- *swizzleOut = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
- return GL_TRUE;
- }
- }
- }
- }
- }
-
- *posOut = -1;
- return GL_FALSE;
-}
-
-
-struct gl_program_parameter_list *
-_mesa_clone_parameter_list(const struct gl_program_parameter_list *list)
-{
- struct gl_program_parameter_list *clone;
- GLuint i;
-
- clone = _mesa_new_parameter_list();
- if (!clone)
- return NULL;
-
- /** Not too efficient, but correct */
- for (i = 0; i < list->NumParameters; i++) {
- struct gl_program_parameter *p = list->Parameters + i;
- struct gl_program_parameter *pCopy;
- GLuint size = MIN2(p->Size, 4);
- GLint j = _mesa_add_parameter(clone, p->Type, p->Name, size, p->DataType,
- list->ParameterValues[i], NULL, 0x0);
- ASSERT(j >= 0);
- pCopy = clone->Parameters + j;
- pCopy->Flags = p->Flags;
- /* copy state indexes */
- if (p->Type == PROGRAM_STATE_VAR) {
- GLint k;
- for (k = 0; k < STATE_LENGTH; k++) {
- pCopy->StateIndexes[k] = p->StateIndexes[k];
- }
- }
- else {
- clone->Parameters[j].Size = p->Size;
- }
-
- }
-
- clone->StateFlags = list->StateFlags;
-
- return clone;
-}
-
-
-/**
- * Return a new parameter list which is listA + listB.
- */
-struct gl_program_parameter_list *
-_mesa_combine_parameter_lists(const struct gl_program_parameter_list *listA,
- const struct gl_program_parameter_list *listB)
-{
- struct gl_program_parameter_list *list;
-
- if (listA) {
- list = _mesa_clone_parameter_list(listA);
- if (list && listB) {
- GLuint i;
- for (i = 0; i < listB->NumParameters; i++) {
- struct gl_program_parameter *param = listB->Parameters + i;
- _mesa_add_parameter(list, param->Type, param->Name, param->Size,
- param->DataType,
- listB->ParameterValues[i],
- param->StateIndexes,
- param->Flags);
- }
- }
- }
- else if (listB) {
- list = _mesa_clone_parameter_list(listB);
- }
- else {
- list = NULL;
- }
- return list;
-}
-
-
-
-/**
- * Find longest name of all uniform parameters in list.
- */
-GLuint
-_mesa_longest_parameter_name(const struct gl_program_parameter_list *list,
- gl_register_file type)
-{
- GLuint i, maxLen = 0;
- if (!list)
- return 0;
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == type) {
- GLuint len = strlen(list->Parameters[i].Name);
- if (len > maxLen)
- maxLen = len;
- }
- }
- return maxLen;
-}
-
-
-/**
- * Count the number of parameters in the last that match the given type.
- */
-GLuint
-_mesa_num_parameters_of_type(const struct gl_program_parameter_list *list,
- gl_register_file type)
-{
- GLuint i, count = 0;
- if (list) {
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == type)
- count++;
- }
- }
- return count;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.3
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file prog_parameter.c
+ * Program parameter lists and functions.
+ * \author Brian Paul
+ */
+
+
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "prog_instruction.h"
+#include "prog_parameter.h"
+#include "prog_statevars.h"
+
+
+struct gl_program_parameter_list *
+_mesa_new_parameter_list(void)
+{
+ return CALLOC_STRUCT(gl_program_parameter_list);
+}
+
+
+struct gl_program_parameter_list *
+_mesa_new_parameter_list_sized(unsigned size)
+{
+ struct gl_program_parameter_list *p = _mesa_new_parameter_list();
+
+ if ((p != NULL) && (size != 0)) {
+ p->Size = size;
+
+ /* alloc arrays */
+ p->Parameters = (struct gl_program_parameter *)
+ calloc(1, size * sizeof(struct gl_program_parameter));
+
+ p->ParameterValues = (gl_constant_value (*)[4])
+ _mesa_align_malloc(size * 4 *sizeof(gl_constant_value), 16);
+
+
+ if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
+ free(p->Parameters);
+ _mesa_align_free(p->ParameterValues);
+ free(p);
+ p = NULL;
+ }
+ }
+
+ return p;
+}
+
+
+/**
+ * Free a parameter list and all its parameters
+ */
+void
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
+{
+ GLuint i;
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name)
+ free((void *) paramList->Parameters[i].Name);
+ }
+ free(paramList->Parameters);
+ if (paramList->ParameterValues)
+ _mesa_align_free(paramList->ParameterValues);
+ free(paramList);
+}
+
+
+/**
+ * Add a new parameter to a parameter list.
+ * Note that parameter values are usually 4-element GLfloat vectors.
+ * When size > 4 we'll allocate a sequential block of parameters to
+ * store all the values (in blocks of 4).
+ *
+ * \param paramList the list to add the parameter to
+ * \param type type of parameter, such as
+ * \param name the parameter name, will be duplicated/copied!
+ * \param size number of elements in 'values' vector (1..4, or more)
+ * \param datatype GL_FLOAT, GL_FLOAT_VECx, GL_INT, GL_INT_VECx or GL_NONE.
+ * \param values initial parameter value, up to 4 gl_constant_values, or NULL
+ * \param state state indexes, or NULL
+ * \return index of new parameter in the list, or -1 if error (out of mem)
+ */
+GLint
+_mesa_add_parameter(struct gl_program_parameter_list *paramList,
+ gl_register_file type, const char *name,
+ GLuint size, GLenum datatype,
+ const gl_constant_value *values,
+ const gl_state_index state[STATE_LENGTH],
+ GLbitfield flags)
+{
+ const GLuint oldNum = paramList->NumParameters;
+ const GLuint sz4 = (size + 3) / 4; /* no. of new param slots needed */
+
+ assert(size > 0);
+
+ if (oldNum + sz4 > paramList->Size) {
+ /* Need to grow the parameter list array (alloc some extra) */
+ paramList->Size = paramList->Size + 4 * sz4;
+
+ /* realloc arrays */
+ paramList->Parameters = (struct gl_program_parameter *)
+ _mesa_realloc(paramList->Parameters,
+ oldNum * sizeof(struct gl_program_parameter),
+ paramList->Size * sizeof(struct gl_program_parameter));
+
+ paramList->ParameterValues = (gl_constant_value (*)[4])
+ _mesa_align_realloc(paramList->ParameterValues, /* old buf */
+ oldNum * 4 * sizeof(gl_constant_value),/* old sz */
+ paramList->Size*4*sizeof(gl_constant_value),/*new*/
+ 16);
+ }
+
+ if (!paramList->Parameters ||
+ !paramList->ParameterValues) {
+ /* out of memory */
+ paramList->NumParameters = 0;
+ paramList->Size = 0;
+ return -1;
+ }
+ else {
+ GLuint i, j;
+
+ paramList->NumParameters = oldNum + sz4;
+
+ memset(¶mList->Parameters[oldNum], 0,
+ sz4 * sizeof(struct gl_program_parameter));
+
+ for (i = 0; i < sz4; i++) {
+ struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
+ p->Name = name ? _mesa_strdup(name) : NULL;
+ p->Type = type;
+ p->Size = size;
+ p->DataType = datatype;
+ p->Flags = flags;
+ if (values) {
+ COPY_4V(paramList->ParameterValues[oldNum + i], values);
+ values += 4;
+ p->Initialized = GL_TRUE;
+ }
+ else {
+ /* silence valgrind */
+ for (j = 0; j < 4; j++)
+ paramList->ParameterValues[oldNum + i][j].f = 0;
+ }
+ size -= 4;
+ }
+
+ if (state) {
+ for (i = 0; i < STATE_LENGTH; i++)
+ paramList->Parameters[oldNum].StateIndexes[i] = state[i];
+ }
+
+ return (GLint) oldNum;
+ }
+}
+
+
+/**
+ * Add a new named program parameter (Ex: NV_fragment_program DEFINE statement)
+ * \return index of the new entry in the parameter list
+ */
+GLint
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const gl_constant_value values[4])
+{
+ return _mesa_add_parameter(paramList, PROGRAM_NAMED_PARAM, name,
+ 4, GL_NONE, values, NULL, 0x0);
+
+}
+
+
+/**
+ * Add a new named constant to the parameter list.
+ * This will be used when the program contains something like this:
+ * PARAM myVals = { 0, 1, 2, 3 };
+ *
+ * \param paramList the parameter list
+ * \param name the name for the constant
+ * \param values four float values
+ * \return index/position of the new parameter in the parameter list
+ */
+GLint
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
+ const char *name, const gl_constant_value values[4],
+ GLuint size)
+{
+ /* first check if this is a duplicate constant */
+ GLint pos;
+ for (pos = 0; pos < (GLint)paramList->NumParameters; pos++) {
+ const gl_constant_value *pvals = paramList->ParameterValues[pos];
+ if (pvals[0].u == values[0].u &&
+ pvals[1].u == values[1].u &&
+ pvals[2].u == values[2].u &&
+ pvals[3].u == values[3].u &&
+ strcmp(paramList->Parameters[pos].Name, name) == 0) {
+ /* Same name and value is already in the param list - reuse it */
+ return pos;
+ }
+ }
+ /* not found, add new parameter */
+ return _mesa_add_parameter(paramList, PROGRAM_CONSTANT, name,
+ size, GL_NONE, values, NULL, 0x0);
+}
+
+
+/**
+ * Add a new unnamed constant to the parameter list. This will be used
+ * when a fragment/vertex program contains something like this:
+ * MOV r, { 0, 1, 2, 3 };
+ * If swizzleOut is non-null we'll search the parameter list for an
+ * existing instance of the constant which matches with a swizzle.
+ *
+ * \param paramList the parameter list
+ * \param values four float values
+ * \param swizzleOut returns swizzle mask for accessing the constant
+ * \return index/position of the new parameter in the parameter list.
+ */
+GLint
+_mesa_add_typed_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const gl_constant_value values[4], GLuint size,
+ GLenum datatype, GLuint *swizzleOut)
+{
+ GLint pos;
+ ASSERT(size >= 1);
+ ASSERT(size <= 4);
+
+ if (swizzleOut &&
+ _mesa_lookup_parameter_constant(paramList, values,
+ size, &pos, swizzleOut)) {
+ return pos;
+ }
+
+ /* Look for empty space in an already unnamed constant parameter
+ * to add this constant. This will only work for single-element
+ * constants because we rely on smearing (i.e. .yyyy or .zzzz).
+ */
+ if (size == 1 && swizzleOut) {
+ for (pos = 0; pos < (GLint) paramList->NumParameters; pos++) {
+ struct gl_program_parameter *p = paramList->Parameters + pos;
+ if (p->Type == PROGRAM_CONSTANT && p->Size + size <= 4) {
+ /* ok, found room */
+ gl_constant_value *pVal = paramList->ParameterValues[pos];
+ GLuint swz = p->Size; /* 1, 2 or 3 for Y, Z, W */
+ pVal[p->Size] = values[0];
+ p->Size++;
+ *swizzleOut = MAKE_SWIZZLE4(swz, swz, swz, swz);
+ return pos;
+ }
+ }
+ }
+
+ /* add a new parameter to store this constant */
+ pos = _mesa_add_parameter(paramList, PROGRAM_CONSTANT, NULL,
+ size, datatype, values, NULL, 0x0);
+ if (pos >= 0 && swizzleOut) {
+ if (size == 1)
+ *swizzleOut = SWIZZLE_XXXX;
+ else
+ *swizzleOut = SWIZZLE_NOOP;
+ }
+ return pos;
+}
+
+/**
+ * Add a new unnamed constant to the parameter list. This will be used
+ * when a fragment/vertex program contains something like this:
+ * MOV r, { 0, 1, 2, 3 };
+ * If swizzleOut is non-null we'll search the parameter list for an
+ * existing instance of the constant which matches with a swizzle.
+ *
+ * \param paramList the parameter list
+ * \param values four float values
+ * \param swizzleOut returns swizzle mask for accessing the constant
+ * \return index/position of the new parameter in the parameter list.
+ * \sa _mesa_add_typed_unnamed_constant
+ */
+GLint
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const gl_constant_value values[4], GLuint size,
+ GLuint *swizzleOut)
+{
+ return _mesa_add_typed_unnamed_constant(paramList, values, size, GL_NONE,
+ swizzleOut);
+}
+
+/**
+ * Add parameter representing a varying variable.
+ */
+GLint
+_mesa_add_varying(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size, GLenum datatype,
+ GLbitfield flags)
+{
+ GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
+ if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_VARYING) {
+ /* already in list */
+ return i;
+ }
+ else {
+ /*assert(size == 4);*/
+ i = _mesa_add_parameter(paramList, PROGRAM_VARYING, name,
+ size, datatype, NULL, NULL, flags);
+ return i;
+ }
+}
+
+
+/**
+ * Add parameter representing a vertex program attribute.
+ * \param size size of attribute (in floats), may be -1 if unknown
+ * \param attrib the attribute index, or -1 if unknown
+ */
+GLint
+_mesa_add_attribute(struct gl_program_parameter_list *paramList,
+ const char *name, GLint size, GLenum datatype, GLint attrib)
+{
+ GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
+ if (i >= 0) {
+ /* replace */
+ if (attrib < 0)
+ attrib = i;
+ paramList->Parameters[i].StateIndexes[0] = attrib;
+ }
+ else {
+ /* add */
+ gl_state_index state[STATE_LENGTH];
+ state[0] = (gl_state_index) attrib;
+ if (size < 0)
+ size = 4;
+ i = _mesa_add_parameter(paramList, PROGRAM_INPUT, name,
+ size, datatype, NULL, state, 0x0);
+ }
+ return i;
+}
+
+
+
+#if 0 /* not used yet */
+/**
+ * Returns the number of 4-component registers needed to store a piece
+ * of GL state. For matrices this may be as many as 4 registers,
+ * everything else needs
+ * just 1 register.
+ */
+static GLuint
+sizeof_state_reference(const GLint *stateTokens)
+{
+ if (stateTokens[0] == STATE_MATRIX) {
+ GLuint rows = stateTokens[4] - stateTokens[3] + 1;
+ assert(rows >= 1);
+ assert(rows <= 4);
+ return rows;
+ }
+ else {
+ return 1;
+ }
+}
+#endif
+
+
+/**
+ * Add a new state reference to the parameter list.
+ * This will be used when the program contains something like this:
+ * PARAM ambient = state.material.front.ambient;
+ *
+ * \param paramList the parameter list
+ * \param stateTokens an array of 5 (STATE_LENGTH) state tokens
+ * \return index of the new parameter.
+ */
+GLint
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const gl_state_index stateTokens[STATE_LENGTH])
+{
+ const GLuint size = 4; /* XXX fix */
+ char *name;
+ GLint index;
+
+ /* Check if the state reference is already in the list */
+ for (index = 0; index < (GLint) paramList->NumParameters; index++) {
+ if (!memcmp(paramList->Parameters[index].StateIndexes,
+ stateTokens, STATE_LENGTH * sizeof(gl_state_index))) {
+ return index;
+ }
+ }
+
+ name = _mesa_program_state_string(stateTokens);
+ index = _mesa_add_parameter(paramList, PROGRAM_STATE_VAR, name,
+ size, GL_NONE,
+ NULL, (gl_state_index *) stateTokens, 0x0);
+ paramList->StateFlags |= _mesa_program_state_flags(stateTokens);
+
+ /* free name string here since we duplicated it in add_parameter() */
+ free(name);
+
+ return index;
+}
+
+
+/**
+ * Lookup a parameter value by name in the given parameter list.
+ * \return pointer to the float[4] values.
+ */
+gl_constant_value *
+_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name)
+{
+ GLint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
+ if (i < 0)
+ return NULL;
+ else
+ return paramList->ParameterValues[i];
+}
+
+
+/**
+ * Given a program parameter name, find its position in the list of parameters.
+ * \param paramList the parameter list to search
+ * \param nameLen length of name (in chars).
+ * If length is negative, assume that name is null-terminated.
+ * \param name the name to search for
+ * \return index of parameter in the list.
+ */
+GLint
+_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name)
+{
+ GLint i;
+
+ if (!paramList)
+ return -1;
+
+ if (nameLen == -1) {
+ /* name is null-terminated */
+ for (i = 0; i < (GLint) paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name &&
+ strcmp(paramList->Parameters[i].Name, name) == 0)
+ return i;
+ }
+ }
+ else {
+ /* name is not null-terminated, use nameLen */
+ for (i = 0; i < (GLint) paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name &&
+ strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
+ && strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
+ return i;
+ }
+ }
+ return -1;
+}
+
+
+/**
+ * Look for a float vector in the given parameter list. The float vector
+ * may be of length 1, 2, 3 or 4. If swizzleOut is non-null, we'll try
+ * swizzling to find a match.
+ * \param list the parameter list to search
+ * \param v the float vector to search for
+ * \param vSize number of element in v
+ * \param posOut returns the position of the constant, if found
+ * \param swizzleOut returns a swizzle mask describing location of the
+ * vector elements if found.
+ * \return GL_TRUE if found, GL_FALSE if not found
+ */
+GLboolean
+_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
+ const gl_constant_value v[], GLuint vSize,
+ GLint *posOut, GLuint *swizzleOut)
+{
+ GLuint i;
+
+ assert(vSize >= 1);
+ assert(vSize <= 4);
+
+ if (!list) {
+ *posOut = -1;
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < list->NumParameters; i++) {
+ if (list->Parameters[i].Type == PROGRAM_CONSTANT) {
+ if (!swizzleOut) {
+ /* swizzle not allowed */
+ GLuint j, match = 0;
+ for (j = 0; j < vSize; j++) {
+ if (v[j].u == list->ParameterValues[i][j].u)
+ match++;
+ }
+ if (match == vSize) {
+ *posOut = i;
+ return GL_TRUE;
+ }
+ }
+ else {
+ /* try matching w/ swizzle */
+ if (vSize == 1) {
+ /* look for v[0] anywhere within float[4] value */
+ GLuint j;
+ for (j = 0; j < list->Parameters[i].Size; j++) {
+ if (list->ParameterValues[i][j].u == v[0].u) {
+ /* found it */
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
+ return GL_TRUE;
+ }
+ }
+ }
+ else if (vSize <= list->Parameters[i].Size) {
+ /* see if we can match this constant (with a swizzle) */
+ GLuint swz[4];
+ GLuint match = 0, j, k;
+ for (j = 0; j < vSize; j++) {
+ if (v[j].u == list->ParameterValues[i][j].u) {
+ swz[j] = j;
+ match++;
+ }
+ else {
+ for (k = 0; k < list->Parameters[i].Size; k++) {
+ if (v[j].u == list->ParameterValues[i][k].u) {
+ swz[j] = k;
+ match++;
+ break;
+ }
+ }
+ }
+ }
+ /* smear last value to remaining positions */
+ for (; j < 4; j++)
+ swz[j] = swz[j-1];
+
+ if (match == vSize) {
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
+ return GL_TRUE;
+ }
+ }
+ }
+ }
+ }
+
+ *posOut = -1;
+ return GL_FALSE;
+}
+
+
+struct gl_program_parameter_list *
+_mesa_clone_parameter_list(const struct gl_program_parameter_list *list)
+{
+ struct gl_program_parameter_list *clone;
+ GLuint i;
+
+ clone = _mesa_new_parameter_list();
+ if (!clone)
+ return NULL;
+
+ /** Not too efficient, but correct */
+ for (i = 0; i < list->NumParameters; i++) {
+ struct gl_program_parameter *p = list->Parameters + i;
+ struct gl_program_parameter *pCopy;
+ GLuint size = MIN2(p->Size, 4);
+ GLint j = _mesa_add_parameter(clone, p->Type, p->Name, size, p->DataType,
+ list->ParameterValues[i], NULL, 0x0);
+ ASSERT(j >= 0);
+ pCopy = clone->Parameters + j;
+ pCopy->Flags = p->Flags;
+ /* copy state indexes */
+ if (p->Type == PROGRAM_STATE_VAR) {
+ GLint k;
+ for (k = 0; k < STATE_LENGTH; k++) {
+ pCopy->StateIndexes[k] = p->StateIndexes[k];
+ }
+ }
+ else {
+ clone->Parameters[j].Size = p->Size;
+ }
+
+ }
+
+ clone->StateFlags = list->StateFlags;
+
+ return clone;
+}
+
+
+/**
+ * Return a new parameter list which is listA + listB.
+ */
+struct gl_program_parameter_list *
+_mesa_combine_parameter_lists(const struct gl_program_parameter_list *listA,
+ const struct gl_program_parameter_list *listB)
+{
+ struct gl_program_parameter_list *list;
+
+ if (listA) {
+ list = _mesa_clone_parameter_list(listA);
+ if (list && listB) {
+ GLuint i;
+ for (i = 0; i < listB->NumParameters; i++) {
+ struct gl_program_parameter *param = listB->Parameters + i;
+ _mesa_add_parameter(list, param->Type, param->Name, param->Size,
+ param->DataType,
+ listB->ParameterValues[i],
+ param->StateIndexes,
+ param->Flags);
+ }
+ }
+ }
+ else if (listB) {
+ list = _mesa_clone_parameter_list(listB);
+ }
+ else {
+ list = NULL;
+ }
+ return list;
+}
+
+
+
+/**
+ * Find longest name of all uniform parameters in list.
+ */
+GLuint
+_mesa_longest_parameter_name(const struct gl_program_parameter_list *list,
+ gl_register_file type)
+{
+ GLuint i, maxLen = 0;
+ if (!list)
+ return 0;
+ for (i = 0; i < list->NumParameters; i++) {
+ if (list->Parameters[i].Type == type) {
+ GLuint len = strlen(list->Parameters[i].Name);
+ if (len > maxLen)
+ maxLen = len;
+ }
+ }
+ return maxLen;
+}
+
+
+/**
+ * Count the number of parameters in the last that match the given type.
+ */
+GLuint
+_mesa_num_parameters_of_type(const struct gl_program_parameter_list *list,
+ gl_register_file type)
+{
+ GLuint i, count = 0;
+ if (list) {
+ for (i = 0; i < list->NumParameters; i++) {
+ if (list->Parameters[i].Type == type)
+ count++;
+ }
+ }
+ return count;
+}
diff --git a/mesalib/src/mesa/program/prog_parameter.h b/mesalib/src/mesa/program/prog_parameter.h
index 10cbbe57a..f858cf0fa 100644
--- a/mesalib/src/mesa/program/prog_parameter.h
+++ b/mesalib/src/mesa/program/prog_parameter.h
@@ -46,7 +46,15 @@
#define PROG_PARAM_BIT_CYL_WRAP 0x10 /**< XXX gallium debug */
/*@}*/
-
+/**
+ * Actual data for constant values of parameters.
+ */
+typedef union gl_constant_value {
+ GLfloat f;
+ GLboolean b;
+ GLint i;
+ GLuint u;
+} gl_constant_value;
/**
* Program parameter.
@@ -81,7 +89,7 @@ struct gl_program_parameter_list
GLuint Size; /**< allocated size of Parameters, ParameterValues */
GLuint NumParameters; /**< number of parameters in arrays */
struct gl_program_parameter *Parameters; /**< Array [Size] */
- GLfloat (*ParameterValues)[4]; /**< Array [Size] of GLfloat[4] */
+ gl_constant_value (*ParameterValues)[4]; /**< Array [Size] of constant[4] */
GLbitfield StateFlags; /**< _NEW_* flags indicating which state changes
might invalidate ParameterValues[] */
};
@@ -112,22 +120,28 @@ _mesa_num_parameters(const struct gl_program_parameter_list *list)
extern GLint
_mesa_add_parameter(struct gl_program_parameter_list *paramList,
gl_register_file type, const char *name,
- GLuint size, GLenum datatype, const GLfloat *values,
+ GLuint size, GLenum datatype,
+ const gl_constant_value *values,
const gl_state_index state[STATE_LENGTH],
GLbitfield flags);
extern GLint
_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
- const char *name, const GLfloat values[4]);
+ const char *name, const gl_constant_value values[4]);
extern GLint
_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
- const char *name, const GLfloat values[4],
+ const char *name, const gl_constant_value values[4],
GLuint size);
+extern GLint
+_mesa_add_typed_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const gl_constant_value values[4], GLuint size,
+ GLenum datatype, GLuint *swizzleOut);
+
extern GLint
_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
- const GLfloat values[4], GLuint size,
+ const gl_constant_value values[4], GLuint size,
GLuint *swizzleOut);
extern GLint
@@ -143,7 +157,7 @@ extern GLint
_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
const gl_state_index stateTokens[STATE_LENGTH]);
-extern GLfloat *
+extern gl_constant_value *
_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name);
@@ -153,7 +167,7 @@ _mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
extern GLboolean
_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
- const GLfloat v[], GLuint vSize,
+ const gl_constant_value v[], GLuint vSize,
GLint *posOut, GLuint *swizzleOut);
extern GLuint
diff --git a/mesalib/src/mesa/program/prog_parameter_layout.c b/mesalib/src/mesa/program/prog_parameter_layout.c
index 90a977108..28fca3b92 100644
--- a/mesalib/src/mesa/program/prog_parameter_layout.c
+++ b/mesalib/src/mesa/program/prog_parameter_layout.c
@@ -182,7 +182,7 @@ _mesa_layout_parameters(struct asm_parser_state *state)
switch (p->Type) {
case PROGRAM_CONSTANT: {
- const float *const v =
+ const gl_constant_value *const v =
state->prog->Parameters->ParameterValues[idx];
inst->Base.SrcReg[i].Index =
diff --git a/mesalib/src/mesa/program/prog_print.c b/mesalib/src/mesa/program/prog_print.c
index 7c3b4909e..70412b1fa 100644
--- a/mesalib/src/mesa/program/prog_print.c
+++ b/mesalib/src/mesa/program/prog_print.c
@@ -985,7 +985,7 @@ _mesa_fprint_parameter_list(FILE *f,
fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
for (i = 0; i < list->NumParameters; i++){
struct gl_program_parameter *param = list->Parameters + i;
- const GLfloat *v = list->ParameterValues[i];
+ const GLfloat *v = (GLfloat *) list->ParameterValues[i];
fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
i, param->Size,
_mesa_register_file_name(list->Parameters[i].Type),
diff --git a/mesalib/src/mesa/program/prog_statevars.c b/mesalib/src/mesa/program/prog_statevars.c
index 16f9690e8..6aa2409e8 100644
--- a/mesalib/src/mesa/program/prog_statevars.c
+++ b/mesalib/src/mesa/program/prog_statevars.c
@@ -1111,7 +1111,7 @@ _mesa_load_state_parameters(struct gl_context *ctx,
if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
_mesa_fetch_state(ctx,
paramList->Parameters[i].StateIndexes,
- paramList->ParameterValues[i]);
+ ¶mList->ParameterValues[i][0].f);
}
}
}
diff --git a/mesalib/src/mesa/program/program.c b/mesalib/src/mesa/program/program.c
index adca094ee..ecff2344a 100644
--- a/mesalib/src/mesa/program/program.c
+++ b/mesalib/src/mesa/program/program.c
@@ -388,8 +388,9 @@ _mesa_delete_program(struct gl_context *ctx, struct gl_program *prog)
if (prog->String)
free(prog->String);
- _mesa_free_instructions(prog->Instructions, prog->NumInstructions);
-
+ if (prog->Instructions) {
+ _mesa_free_instructions(prog->Instructions, prog->NumInstructions);
+ }
if (prog->Parameters) {
_mesa_free_parameter_list(prog->Parameters);
}
@@ -1031,7 +1032,8 @@ _mesa_postprocess_program(struct gl_context *ctx, struct gl_program *prog)
GLuint i;
GLuint whiteSwizzle;
GLint whiteIndex = _mesa_add_unnamed_constant(prog->Parameters,
- white, 4, &whiteSwizzle);
+ (gl_constant_value *) white,
+ 4, &whiteSwizzle);
(void) whiteIndex;
diff --git a/mesalib/src/mesa/program/program_parse.y b/mesalib/src/mesa/program/program_parse.y
index dbf5abaa6..dec35038b 100644
--- a/mesalib/src/mesa/program/program_parse.y
+++ b/mesalib/src/mesa/program/program_parse.y
@@ -1854,64 +1854,64 @@ paramConstUse: paramConstScalarUse | paramConstVector;
paramConstScalarDecl: signedFloatConstant
{
$$.count = 4;
- $$.data[0] = $1;
- $$.data[1] = $1;
- $$.data[2] = $1;
- $$.data[3] = $1;
+ $$.data[0].f = $1;
+ $$.data[1].f = $1;
+ $$.data[2].f = $1;
+ $$.data[3].f = $1;
}
;
paramConstScalarUse: REAL
{
$$.count = 1;
- $$.data[0] = $1;
- $$.data[1] = $1;
- $$.data[2] = $1;
- $$.data[3] = $1;
+ $$.data[0].f = $1;
+ $$.data[1].f = $1;
+ $$.data[2].f = $1;
+ $$.data[3].f = $1;
}
| INTEGER
{
$$.count = 1;
- $$.data[0] = (float) $1;
- $$.data[1] = (float) $1;
- $$.data[2] = (float) $1;
- $$.data[3] = (float) $1;
+ $$.data[0].f = (float) $1;
+ $$.data[1].f = (float) $1;
+ $$.data[2].f = (float) $1;
+ $$.data[3].f = (float) $1;
}
;
paramConstVector: '{' signedFloatConstant '}'
{
$$.count = 4;
- $$.data[0] = $2;
- $$.data[1] = 0.0f;
- $$.data[2] = 0.0f;
- $$.data[3] = 1.0f;
+ $$.data[0].f = $2;
+ $$.data[1].f = 0.0f;
+ $$.data[2].f = 0.0f;
+ $$.data[3].f = 1.0f;
}
| '{' signedFloatConstant ',' signedFloatConstant '}'
{
$$.count = 4;
- $$.data[0] = $2;
- $$.data[1] = $4;
- $$.data[2] = 0.0f;
- $$.data[3] = 1.0f;
+ $$.data[0].f = $2;
+ $$.data[1].f = $4;
+ $$.data[2].f = 0.0f;
+ $$.data[3].f = 1.0f;
}
| '{' signedFloatConstant ',' signedFloatConstant ','
signedFloatConstant '}'
{
$$.count = 4;
- $$.data[0] = $2;
- $$.data[1] = $4;
- $$.data[2] = $6;
- $$.data[3] = 1.0f;
+ $$.data[0].f = $2;
+ $$.data[1].f = $4;
+ $$.data[2].f = $6;
+ $$.data[3].f = 1.0f;
}
| '{' signedFloatConstant ',' signedFloatConstant ','
signedFloatConstant ',' signedFloatConstant '}'
{
$$.count = 4;
- $$.data[0] = $2;
- $$.data[1] = $4;
- $$.data[2] = $6;
- $$.data[3] = $8;
+ $$.data[0].f = $2;
+ $$.data[1].f = $4;
+ $$.data[2].f = $6;
+ $$.data[3].f = $8;
}
;
diff --git a/mesalib/src/mesa/program/program_parser.h b/mesalib/src/mesa/program/program_parser.h
index 8e5aaee95..5637598f3 100644
--- a/mesalib/src/mesa/program/program_parser.h
+++ b/mesalib/src/mesa/program/program_parser.h
@@ -23,6 +23,7 @@
#pragma once
#include "main/config.h"
+#include "program/prog_parameter.h"
struct gl_context;
@@ -96,7 +97,7 @@ struct asm_symbol {
struct asm_vector {
unsigned count;
- float data[4];
+ gl_constant_value data[4];
};
diff --git a/mesalib/src/mesa/program/sampler.cpp b/mesalib/src/mesa/program/sampler.cpp
index 1457d1199..e8d34c670 100644
--- a/mesalib/src/mesa/program/sampler.cpp
+++ b/mesalib/src/mesa/program/sampler.cpp
@@ -132,6 +132,6 @@ _mesa_get_sampler_uniform_value(class ir_dereference *sampler,
index += getname.offset;
- return prog->Parameters->ParameterValues[index][0];
+ return prog->Parameters->ParameterValues[index][0].f;
}
}
diff --git a/mesalib/src/mesa/sources.mak b/mesalib/src/mesa/sources.mak
index 4b2ec08bb..ed008f881 100644
--- a/mesalib/src/mesa/sources.mak
+++ b/mesalib/src/mesa/sources.mak
@@ -336,7 +336,8 @@ MESA_GALLIUM_SOURCES = \
MESA_GALLIUM_CXX_SOURCES = \
$(MAIN_CXX_SOURCES) \
- $(SHADER_CXX_SOURCES)
+ $(SHADER_CXX_SOURCES) \
+ state_tracker/st_glsl_to_tgsi.cpp
# All the core C sources, for dependency checking
ALL_SOURCES = \
diff --git a/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
index 1f833d282..12b5bc5ba 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -84,26 +84,6 @@ make_state_key(struct gl_context *ctx, struct state_key *key)
}
-static struct pipe_resource *
-create_color_map_texture(struct gl_context *ctx)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_resource *pt;
- enum pipe_format format;
- const uint texSize = 256; /* simple, and usually perfect */
-
- /* find an RGBA texture format */
- format = st_choose_format(pipe->screen, GL_RGBA, GL_NONE, GL_NONE,
- PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
-
- /* create texture for color map/table */
- pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
- texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
- return pt;
-}
-
-
/**
* Update the pixelmap texture with the contents of the R/G/B/A pixel maps.
*/
@@ -219,7 +199,7 @@ get_pixel_transfer_program(struct gl_context *ctx, const struct state_key *key)
/* create the colormap/texture now if not already done */
if (!st->pixel_xfer.pixelmap_texture) {
- st->pixel_xfer.pixelmap_texture = create_color_map_texture(ctx);
+ st->pixel_xfer.pixelmap_texture = st_create_color_map_texture(ctx);
st->pixel_xfer.pixelmap_sampler_view =
st_create_texture_sampler_view(st->pipe,
st->pixel_xfer.pixelmap_texture);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index f49c03b46..beb5e7cab 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -1,894 +1,917 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Brian Paul
- */
-
-#include "main/imports.h"
-#include "main/image.h"
-#include "main/bufferobj.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/pbo.h"
-#include "program/program.h"
-#include "program/prog_print.h"
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_atom_constbuf.h"
-#include "st_program.h"
-#include "st_cb_bitmap.h"
-#include "st_texture.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_shader_tokens.h"
-#include "util/u_inlines.h"
-#include "util/u_draw_quad.h"
-#include "util/u_simple_shaders.h"
-#include "program/prog_instruction.h"
-#include "cso_cache/cso_context.h"
-
-
-#if FEATURE_drawpix
-
-/**
- * glBitmaps are drawn as textured quads. The user's bitmap pattern
- * is stored in a texture image. An alpha8 texture format is used.
- * The fragment shader samples a bit (texel) from the texture, then
- * discards the fragment if the bit is off.
- *
- * Note that we actually store the inverse image of the bitmap to
- * simplify the fragment program. An "on" bit gets stored as texel=0x0
- * and an "off" bit is stored as texel=0xff. Then we kill the
- * fragment if the negated texel value is less than zero.
- */
-
-
-/**
- * The bitmap cache attempts to accumulate multiple glBitmap calls in a
- * buffer which is then rendered en mass upon a flush, state change, etc.
- * A wide, short buffer is used to target the common case of a series
- * of glBitmap calls being used to draw text.
- */
-static GLboolean UseBitmapCache = GL_TRUE;
-
-
-#define BITMAP_CACHE_WIDTH 512
-#define BITMAP_CACHE_HEIGHT 32
-
-struct bitmap_cache
-{
- /** Window pos to render the cached image */
- GLint xpos, ypos;
- /** Bounds of region used in window coords */
- GLint xmin, ymin, xmax, ymax;
-
- GLfloat color[4];
-
- /** Bitmap's Z position */
- GLfloat zpos;
-
- struct pipe_resource *texture;
- struct pipe_transfer *trans;
-
- GLboolean empty;
-
- /** An I8 texture image: */
- ubyte *buffer;
-};
-
-
-/** Epsilon for Z comparisons */
-#define Z_EPSILON 1e-06
-
-
-/**
- * Make fragment program for glBitmap:
- * Sample the texture and kill the fragment if the bit is 0.
- * This program will be combined with the user's fragment program.
- */
-static struct st_fragment_program *
-make_bitmap_fragment_program(struct gl_context *ctx, GLuint samplerIndex)
-{
- struct st_context *st = st_context(ctx);
- struct st_fragment_program *stfp;
- struct gl_program *p;
- GLuint ic = 0;
-
- p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
- if (!p)
- return NULL;
-
- p->NumInstructions = 3;
-
- p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
- if (!p->Instructions) {
- ctx->Driver.DeleteProgram(ctx, p);
- return NULL;
- }
- _mesa_init_instructions(p->Instructions, p->NumInstructions);
-
- /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY;
- p->Instructions[ic].DstReg.Index = 0;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = samplerIndex;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
-
- /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */
- p->Instructions[ic].Opcode = OPCODE_KIL;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-
- if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
- p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX;
-
- p->Instructions[ic].SrcReg[0].Index = 0;
- p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW;
- ic++;
-
- /* END; */
- p->Instructions[ic++].Opcode = OPCODE_END;
-
- assert(ic == p->NumInstructions);
-
- p->InputsRead = FRAG_BIT_TEX0;
- p->OutputsWritten = 0x0;
- p->SamplersUsed = (1 << samplerIndex);
-
- stfp = (struct st_fragment_program *) p;
- stfp->Base.UsesKill = GL_TRUE;
-
- return stfp;
-}
-
-
-static int
-find_free_bit(uint bitfield)
-{
- int i;
- for (i = 0; i < 32; i++) {
- if ((bitfield & (1 << i)) == 0) {
- return i;
- }
- }
- return -1;
-}
-
-
-/**
- * Combine basic bitmap fragment program with the user-defined program.
- * \param st current context
- * \param fpIn the incoming fragment program
- * \param fpOut the new fragment program which does fragment culling
- * \param bitmap_sampler sampler number for the bitmap texture
- */
-void
-st_make_bitmap_fragment_program(struct st_context *st,
- struct gl_fragment_program *fpIn,
- struct gl_fragment_program **fpOut,
- GLuint *bitmap_sampler)
-{
- struct st_fragment_program *bitmap_prog;
- struct gl_program *newProg;
- uint sampler;
-
- /*
- * Generate new program which is the user-defined program prefixed
- * with the bitmap sampler/kill instructions.
- */
- sampler = find_free_bit(fpIn->Base.SamplersUsed);
- bitmap_prog = make_bitmap_fragment_program(st->ctx, sampler);
-
- newProg = _mesa_combine_programs(st->ctx,
- &bitmap_prog->Base.Base,
- &fpIn->Base);
- /* done with this after combining */
- st_reference_fragprog(st, &bitmap_prog, NULL);
-
-#if 0
- {
- printf("Combined bitmap program:\n");
- _mesa_print_program(newProg);
- printf("InputsRead: 0x%x\n", newProg->InputsRead);
- printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten);
- _mesa_print_parameter_list(newProg->Parameters);
- }
-#endif
-
- /* return results */
- *fpOut = (struct gl_fragment_program *) newProg;
- *bitmap_sampler = sampler;
-}
-
-
-/**
- * Copy user-provide bitmap bits into texture buffer, expanding
- * bits into texels.
- * "On" bits will set texels to 0x0.
- * "Off" bits will not modify texels.
- * Note that the image is actually going to be upside down in
- * the texture. We deal with that with texcoords.
- */
-static void
-unpack_bitmap(struct st_context *st,
- GLint px, GLint py, GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap,
- ubyte *destBuffer, uint destStride)
-{
- destBuffer += py * destStride + px;
-
- _mesa_expand_bitmap(width, height, unpack, bitmap,
- destBuffer, destStride, 0x0);
-}
-
-
-/**
- * Create a texture which represents a bitmap image.
- */
-static struct pipe_resource *
-make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_transfer *transfer;
- ubyte *dest;
- struct pipe_resource *pt;
-
- /* PBO source... */
- bitmap = _mesa_map_pbo_source(ctx, unpack, bitmap);
- if (!bitmap) {
- return NULL;
- }
-
- /**
- * Create texture to hold bitmap pattern.
- */
- pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format,
- 0, width, height, 1, 1,
- PIPE_BIND_SAMPLER_VIEW);
- if (!pt) {
- _mesa_unmap_pbo_source(ctx, unpack);
- return NULL;
- }
-
- transfer = pipe_get_transfer(st->pipe, pt, 0, 0,
- PIPE_TRANSFER_WRITE,
- 0, 0, width, height);
-
- dest = pipe_transfer_map(pipe, transfer);
-
- /* Put image into texture transfer */
- memset(dest, 0xff, height * transfer->stride);
- unpack_bitmap(st, 0, 0, width, height, unpack, bitmap,
- dest, transfer->stride);
-
- _mesa_unmap_pbo_source(ctx, unpack);
-
- /* Release transfer */
- pipe_transfer_unmap(pipe, transfer);
- pipe->transfer_destroy(pipe, transfer);
-
- return pt;
-}
-
-static GLuint
-setup_bitmap_vertex_data(struct st_context *st, bool normalized,
- int x, int y, int width, int height,
- float z, const float color[4])
-{
- struct pipe_context *pipe = st->pipe;
- const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- const GLfloat fb_width = (GLfloat)fb->Width;
- const GLfloat fb_height = (GLfloat)fb->Height;
- const GLfloat x0 = (GLfloat)x;
- const GLfloat x1 = (GLfloat)(x + width);
- const GLfloat y0 = (GLfloat)y;
- const GLfloat y1 = (GLfloat)(y + height);
- GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0;
- GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop;
- const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0);
- const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0);
- const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0);
- const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0);
- const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */
- GLuint i;
-
- if(!normalized)
- {
- sRight = width;
- tBot = height;
- }
-
- /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
- * no_flush) updates to buffers where we know there is no conflict
- * with previous data. Currently using max_slots > 1 will cause
- * synchronous rendering if the driver flushes its command buffers
- * between one bitmap and the next. Our flush hook below isn't
- * sufficient to catch this as the driver doesn't tell us when it
- * flushes its own command buffers. Until this gets fixed, pay the
- * price of allocating a new buffer for each bitmap cache-flush to
- * avoid synchronous rendering.
- */
- if (st->bitmap.vbuf_slot >= max_slots) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
- }
-
- if (!st->bitmap.vbuf) {
- st->bitmap.vbuf = pipe_buffer_create(pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STREAM,
- max_slots *
- sizeof(st->bitmap.vertices));
- }
-
- /* Positions are in clip coords since we need to do clipping in case
- * the bitmap quad goes beyond the window bounds.
- */
- st->bitmap.vertices[0][0][0] = clip_x0;
- st->bitmap.vertices[0][0][1] = clip_y0;
- st->bitmap.vertices[0][2][0] = sLeft;
- st->bitmap.vertices[0][2][1] = tTop;
-
- st->bitmap.vertices[1][0][0] = clip_x1;
- st->bitmap.vertices[1][0][1] = clip_y0;
- st->bitmap.vertices[1][2][0] = sRight;
- st->bitmap.vertices[1][2][1] = tTop;
-
- st->bitmap.vertices[2][0][0] = clip_x1;
- st->bitmap.vertices[2][0][1] = clip_y1;
- st->bitmap.vertices[2][2][0] = sRight;
- st->bitmap.vertices[2][2][1] = tBot;
-
- st->bitmap.vertices[3][0][0] = clip_x0;
- st->bitmap.vertices[3][0][1] = clip_y1;
- st->bitmap.vertices[3][2][0] = sLeft;
- st->bitmap.vertices[3][2][1] = tBot;
-
- /* same for all verts: */
- for (i = 0; i < 4; i++) {
- st->bitmap.vertices[i][0][2] = z;
- st->bitmap.vertices[i][0][3] = 1.0;
- st->bitmap.vertices[i][1][0] = color[0];
- st->bitmap.vertices[i][1][1] = color[1];
- st->bitmap.vertices[i][1][2] = color[2];
- st->bitmap.vertices[i][1][3] = color[3];
- st->bitmap.vertices[i][2][2] = 0.0; /*R*/
- st->bitmap.vertices[i][2][3] = 1.0; /*Q*/
- }
-
- /* put vertex data into vbuf */
- pipe_buffer_write_nooverlap(st->pipe,
- st->bitmap.vbuf,
- st->bitmap.vbuf_slot
- * sizeof(st->bitmap.vertices),
- sizeof st->bitmap.vertices,
- st->bitmap.vertices);
-
- return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices;
-}
-
-
-
-/**
- * Render a glBitmap by drawing a textured quad
- */
-static void
-draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
- GLsizei width, GLsizei height,
- struct pipe_sampler_view *sv,
- const GLfloat *color)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct cso_context *cso = st->cso_context;
- struct st_fp_variant *fpv;
- struct st_fp_variant_key key;
- GLuint maxSize;
- GLuint offset;
-
- memset(&key, 0, sizeof(key));
- key.st = st;
- key.bitmap = GL_TRUE;
-
- fpv = st_get_fp_variant(st, st->fp, &key);
-
- /* As an optimization, Mesa's fragment programs will sometimes get the
- * primary color from a statevar/constant rather than a varying variable.
- * when that's the case, we need to ensure that we use the 'color'
- * parameter and not the current attribute color (which may have changed
- * through glRasterPos and state validation.
- * So, we force the proper color here. Not elegant, but it works.
- */
- {
- GLfloat colorSave[4];
- COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
- COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color);
- st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
- COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave);
- }
-
-
- /* limit checks */
- /* XXX if the bitmap is larger than the max texture size, break
- * it up into chunks.
- */
- maxSize = 1 << (pipe->screen->get_param(pipe->screen,
- PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
- assert(width <= (GLsizei)maxSize);
- assert(height <= (GLsizei)maxSize);
-
- cso_save_rasterizer(cso);
- cso_save_samplers(cso);
- cso_save_fragment_sampler_views(cso);
- cso_save_viewport(cso);
- cso_save_fragment_shader(cso);
- cso_save_vertex_shader(cso);
- cso_save_vertex_elements(cso);
- cso_save_vertex_buffers(cso);
-
- /* rasterizer state: just scissor */
- st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
- cso_set_rasterizer(cso, &st->bitmap.rasterizer);
-
- /* fragment shader state: TEX lookup program */
- cso_set_fragment_shader_handle(cso, fpv->driver_shader);
-
- /* vertex shader state: position + texcoord pass-through */
- cso_set_vertex_shader_handle(cso, st->bitmap.vs);
-
- /* user samplers, plus our bitmap sampler */
- {
- struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
- uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_samplers);
- uint i;
- for (i = 0; i < st->state.num_samplers; i++) {
- samplers[i] = &st->state.samplers[i];
- }
- samplers[fpv->bitmap_sampler] =
- &st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT];
- cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers);
- }
-
- /* user textures, plus the bitmap texture */
- {
- struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
- uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_textures);
- memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views));
- sampler_views[fpv->bitmap_sampler] = sv;
- cso_set_fragment_sampler_views(cso, num, sampler_views);
- }
-
- /* viewport state: viewport matching window dims */
- {
- const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
- const GLfloat width = (GLfloat)fb->Width;
- const GLfloat height = (GLfloat)fb->Height;
- struct pipe_viewport_state vp;
- vp.scale[0] = 0.5f * width;
- vp.scale[1] = height * (invert ? -0.5f : 0.5f);
- vp.scale[2] = 0.5f;
- vp.scale[3] = 1.0f;
- vp.translate[0] = 0.5f * width;
- vp.translate[1] = 0.5f * height;
- vp.translate[2] = 0.5f;
- vp.translate[3] = 0.0f;
- cso_set_viewport(cso, &vp);
- }
-
- cso_set_vertex_elements(cso, 3, st->velems_util_draw);
-
- /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
- z = z * 2.0 - 1.0;
-
- /* draw textured quad */
- offset = setup_bitmap_vertex_data(st,
- sv->texture->target != PIPE_TEXTURE_RECT,
- x, y, width, height, z, color);
-
- util_draw_vertex_buffer(pipe, st->cso_context, st->bitmap.vbuf, offset,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 3); /* attribs/vert */
-
-
- /* restore state */
- cso_restore_rasterizer(cso);
- cso_restore_samplers(cso);
- cso_restore_fragment_sampler_views(cso);
- cso_restore_viewport(cso);
- cso_restore_fragment_shader(cso);
- cso_restore_vertex_shader(cso);
- cso_restore_vertex_elements(cso);
- cso_restore_vertex_buffers(cso);
-}
-
-
-static void
-reset_cache(struct st_context *st)
-{
- struct pipe_context *pipe = st->pipe;
- struct bitmap_cache *cache = st->bitmap.cache;
-
- /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
- cache->empty = GL_TRUE;
-
- cache->xmin = 1000000;
- cache->xmax = -1000000;
- cache->ymin = 1000000;
- cache->ymax = -1000000;
-
- if (cache->trans) {
- pipe->transfer_destroy(pipe, cache->trans);
- cache->trans = NULL;
- }
-
- assert(!cache->texture);
-
- /* allocate a new texture */
- cache->texture = st_texture_create(st, PIPE_TEXTURE_2D,
- st->bitmap.tex_format, 0,
- BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
- 1, 1,
- PIPE_BIND_SAMPLER_VIEW);
-}
-
-
-/** Print bitmap image to stdout (debug) */
-static void
-print_cache(const struct bitmap_cache *cache)
-{
- int i, j, k;
-
- for (i = 0; i < BITMAP_CACHE_HEIGHT; i++) {
- k = BITMAP_CACHE_WIDTH * (BITMAP_CACHE_HEIGHT - i - 1);
- for (j = 0; j < BITMAP_CACHE_WIDTH; j++) {
- if (cache->buffer[k])
- printf("X");
- else
- printf(" ");
- k++;
- }
- printf("\n");
- }
-}
-
-
-/**
- * Create gallium pipe_transfer object for the bitmap cache.
- */
-static void
-create_cache_trans(struct st_context *st)
-{
- struct pipe_context *pipe = st->pipe;
- struct bitmap_cache *cache = st->bitmap.cache;
-
- if (cache->trans)
- return;
-
- /* Map the texture transfer.
- * Subsequent glBitmap calls will write into the texture image.
- */
- cache->trans = pipe_get_transfer(st->pipe, cache->texture, 0, 0,
- PIPE_TRANSFER_WRITE, 0, 0,
- BITMAP_CACHE_WIDTH,
- BITMAP_CACHE_HEIGHT);
- cache->buffer = pipe_transfer_map(pipe, cache->trans);
-
- /* init image to all 0xff */
- memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
-}
-
-
-/**
- * If there's anything in the bitmap cache, draw/flush it now.
- */
-void
-st_flush_bitmap_cache(struct st_context *st)
-{
- if (!st->bitmap.cache->empty) {
- struct bitmap_cache *cache = st->bitmap.cache;
-
- if (st->ctx->DrawBuffer) {
- struct pipe_context *pipe = st->pipe;
- struct pipe_sampler_view *sv;
-
- assert(cache->xmin <= cache->xmax);
-
-/* printf("flush size %d x %d at %d, %d\n",
- cache->xmax - cache->xmin,
- cache->ymax - cache->ymin,
- cache->xpos, cache->ypos);
-*/
-
- /* The texture transfer has been mapped until now.
- * So unmap and release the texture transfer before drawing.
- */
- if (cache->trans) {
- if (0)
- print_cache(cache);
- pipe_transfer_unmap(pipe, cache->trans);
- cache->buffer = NULL;
-
- pipe->transfer_destroy(pipe, cache->trans);
- cache->trans = NULL;
- }
-
- sv = st_create_texture_sampler_view(st->pipe, cache->texture);
- if (sv) {
- draw_bitmap_quad(st->ctx,
- cache->xpos,
- cache->ypos,
- cache->zpos,
- BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
- sv,
- cache->color);
-
- pipe_sampler_view_reference(&sv, NULL);
- }
- }
-
- /* release/free the texture */
- pipe_resource_reference(&cache->texture, NULL);
-
- reset_cache(st);
- }
-}
-
-
-/**
- * Flush bitmap cache and release vertex buffer.
- */
-void
-st_flush_bitmap( struct st_context *st )
-{
- st_flush_bitmap_cache(st);
-
- /* Release vertex buffer to avoid synchronous rendering if we were
- * to map it in the next frame.
- */
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
-}
-
-
-/**
- * Try to accumulate this glBitmap call in the bitmap cache.
- * \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc.
- */
-static GLboolean
-accum_bitmap(struct st_context *st,
- GLint x, GLint y, GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap )
-{
- struct bitmap_cache *cache = st->bitmap.cache;
- int px = -999, py = -999;
- const GLfloat z = st->ctx->Current.RasterPos[2];
-
- if (width > BITMAP_CACHE_WIDTH ||
- height > BITMAP_CACHE_HEIGHT)
- return GL_FALSE; /* too big to cache */
-
- if (!cache->empty) {
- px = x - cache->xpos; /* pos in buffer */
- py = y - cache->ypos;
- if (px < 0 || px + width > BITMAP_CACHE_WIDTH ||
- py < 0 || py + height > BITMAP_CACHE_HEIGHT ||
- !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color) ||
- ((fabs(z - cache->zpos) > Z_EPSILON))) {
- /* This bitmap would extend beyond cache bounds, or the bitmap
- * color is changing
- * so flush and continue.
- */
- st_flush_bitmap_cache(st);
- }
- }
-
- if (cache->empty) {
- /* Initialize. Center bitmap vertically in the buffer. */
- px = 0;
- py = (BITMAP_CACHE_HEIGHT - height) / 2;
- cache->xpos = x;
- cache->ypos = y - py;
- cache->zpos = z;
- cache->empty = GL_FALSE;
- COPY_4FV(cache->color, st->ctx->Current.RasterColor);
- }
-
- assert(px != -999);
- assert(py != -999);
-
- if (x < cache->xmin)
- cache->xmin = x;
- if (y < cache->ymin)
- cache->ymin = y;
- if (x + width > cache->xmax)
- cache->xmax = x + width;
- if (y + height > cache->ymax)
- cache->ymax = y + height;
-
- /* create the transfer if needed */
- create_cache_trans(st);
-
- unpack_bitmap(st, px, py, width, height, unpack, bitmap,
- cache->buffer, BITMAP_CACHE_WIDTH);
-
- return GL_TRUE; /* accumulated */
-}
-
-
-
-/**
- * Called via ctx->Driver.Bitmap()
- */
-static void
-st_Bitmap(struct gl_context *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap )
-{
- struct st_context *st = st_context(ctx);
- struct pipe_resource *pt;
-
- if (width == 0 || height == 0)
- return;
-
- st_validate_state(st);
-
- if (!st->bitmap.vs) {
- /* create pass-through vertex shader now */
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_COLOR,
- TGSI_SEMANTIC_GENERIC };
- const uint semantic_indexes[] = { 0, 0, 0 };
- st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3,
- semantic_names,
- semantic_indexes);
- }
-
- if (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap))
- return;
-
- pt = make_bitmap_texture(ctx, width, height, unpack, bitmap);
- if (pt) {
- struct pipe_sampler_view *sv =
- st_create_texture_sampler_view(st->pipe, pt);
-
- assert(pt->target == PIPE_TEXTURE_2D || pt->target == PIPE_TEXTURE_RECT);
-
- if (sv) {
- draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2],
- width, height, sv,
- st->ctx->Current.RasterColor);
-
- pipe_sampler_view_reference(&sv, NULL);
- }
-
- /* release/free the texture */
- pipe_resource_reference(&pt, NULL);
- }
-}
-
-
-/** Per-context init */
-void
-st_init_bitmap_functions(struct dd_function_table *functions)
-{
- functions->Bitmap = st_Bitmap;
-}
-
-
-/** Per-context init */
-void
-st_init_bitmap(struct st_context *st)
-{
- struct pipe_sampler_state *sampler = &st->bitmap.samplers[0];
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
-
- /* init sampler state once */
- memset(sampler, 0, sizeof(*sampler));
- sampler->wrap_s = PIPE_TEX_WRAP_CLAMP;
- sampler->wrap_t = PIPE_TEX_WRAP_CLAMP;
- sampler->wrap_r = PIPE_TEX_WRAP_CLAMP;
- sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST;
- st->bitmap.samplers[1] = *sampler;
- st->bitmap.samplers[1].normalized_coords = 1;
-
- /* init baseline rasterizer state once */
- memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer));
- st->bitmap.rasterizer.gl_rasterization_rules = 1;
-
- /* find a usable texture format */
- if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW)) {
- st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM;
- }
- else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW)) {
- st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM;
- }
- else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW)) {
- st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
- }
- else {
- /* XXX support more formats */
- assert(0);
- }
-
- /* alloc bitmap cache object */
- st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache);
-
- reset_cache(st);
-}
-
-
-/** Per-context tear-down */
-void
-st_destroy_bitmap(struct st_context *st)
-{
- struct pipe_context *pipe = st->pipe;
- struct bitmap_cache *cache = st->bitmap.cache;
-
- if (st->bitmap.vs) {
- cso_delete_vertex_shader(st->cso_context, st->bitmap.vs);
- st->bitmap.vs = NULL;
- }
-
- if (st->bitmap.vbuf) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf = NULL;
- }
-
- if (cache) {
- if (cache->trans) {
- pipe_transfer_unmap(pipe, cache->trans);
- pipe->transfer_destroy(pipe, cache->trans);
- }
- pipe_resource_reference(&st->bitmap.cache->texture, NULL);
- free(st->bitmap.cache);
- st->bitmap.cache = NULL;
- }
-}
-
-#endif /* FEATURE_drawpix */
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Brian Paul
+ */
+
+#include "main/imports.h"
+#include "main/image.h"
+#include "main/bufferobj.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/pbo.h"
+#include "program/program.h"
+#include "program/prog_print.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_atom_constbuf.h"
+#include "st_program.h"
+#include "st_cb_bitmap.h"
+#include "st_texture.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_shader_tokens.h"
+#include "util/u_inlines.h"
+#include "util/u_draw_quad.h"
+#include "util/u_simple_shaders.h"
+#include "program/prog_instruction.h"
+#include "cso_cache/cso_context.h"
+
+
+#if FEATURE_drawpix
+
+/**
+ * glBitmaps are drawn as textured quads. The user's bitmap pattern
+ * is stored in a texture image. An alpha8 texture format is used.
+ * The fragment shader samples a bit (texel) from the texture, then
+ * discards the fragment if the bit is off.
+ *
+ * Note that we actually store the inverse image of the bitmap to
+ * simplify the fragment program. An "on" bit gets stored as texel=0x0
+ * and an "off" bit is stored as texel=0xff. Then we kill the
+ * fragment if the negated texel value is less than zero.
+ */
+
+
+/**
+ * The bitmap cache attempts to accumulate multiple glBitmap calls in a
+ * buffer which is then rendered en mass upon a flush, state change, etc.
+ * A wide, short buffer is used to target the common case of a series
+ * of glBitmap calls being used to draw text.
+ */
+static GLboolean UseBitmapCache = GL_TRUE;
+
+
+#define BITMAP_CACHE_WIDTH 512
+#define BITMAP_CACHE_HEIGHT 32
+
+struct bitmap_cache
+{
+ /** Window pos to render the cached image */
+ GLint xpos, ypos;
+ /** Bounds of region used in window coords */
+ GLint xmin, ymin, xmax, ymax;
+
+ GLfloat color[4];
+
+ /** Bitmap's Z position */
+ GLfloat zpos;
+
+ struct pipe_resource *texture;
+ struct pipe_transfer *trans;
+
+ GLboolean empty;
+
+ /** An I8 texture image: */
+ ubyte *buffer;
+};
+
+
+/** Epsilon for Z comparisons */
+#define Z_EPSILON 1e-06
+
+
+/**
+ * Make fragment program for glBitmap:
+ * Sample the texture and kill the fragment if the bit is 0.
+ * This program will be combined with the user's fragment program.
+ */
+static struct st_fragment_program *
+make_bitmap_fragment_program(struct gl_context *ctx, GLuint samplerIndex)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_fragment_program *stfp;
+ struct gl_program *p;
+ GLuint ic = 0;
+
+ p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+ if (!p)
+ return NULL;
+
+ p->NumInstructions = 3;
+
+ p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
+ if (!p->Instructions) {
+ ctx->Driver.DeleteProgram(ctx, p);
+ return NULL;
+ }
+ _mesa_init_instructions(p->Instructions, p->NumInstructions);
+
+ /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */
+ p->Instructions[ic].Opcode = OPCODE_TEX;
+ p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY;
+ p->Instructions[ic].DstReg.Index = 0;
+ p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
+ p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
+ p->Instructions[ic].TexSrcUnit = samplerIndex;
+ p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
+ ic++;
+
+ /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */
+ p->Instructions[ic].Opcode = OPCODE_KIL;
+ p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
+
+ if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
+ p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX;
+
+ p->Instructions[ic].SrcReg[0].Index = 0;
+ p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW;
+ ic++;
+
+ /* END; */
+ p->Instructions[ic++].Opcode = OPCODE_END;
+
+ assert(ic == p->NumInstructions);
+
+ p->InputsRead = FRAG_BIT_TEX0;
+ p->OutputsWritten = 0x0;
+ p->SamplersUsed = (1 << samplerIndex);
+
+ stfp = (struct st_fragment_program *) p;
+ stfp->Base.UsesKill = GL_TRUE;
+
+ return stfp;
+}
+
+
+static struct gl_program *
+make_bitmap_fragment_program_glsl(struct st_context *st,
+ struct st_fragment_program *orig,
+ GLuint samplerIndex)
+{
+ struct gl_context *ctx = st->ctx;
+ struct st_fragment_program *fp = (struct st_fragment_program *)
+ ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+
+ if (!fp)
+ return NULL;
+
+ get_bitmap_visitor(fp, orig->glsl_to_tgsi, samplerIndex);
+ return &fp->Base.Base;
+}
+
+
+static int
+find_free_bit(uint bitfield)
+{
+ int i;
+ for (i = 0; i < 32; i++) {
+ if ((bitfield & (1 << i)) == 0) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+
+/**
+ * Combine basic bitmap fragment program with the user-defined program.
+ * \param st current context
+ * \param fpIn the incoming fragment program
+ * \param fpOut the new fragment program which does fragment culling
+ * \param bitmap_sampler sampler number for the bitmap texture
+ */
+void
+st_make_bitmap_fragment_program(struct st_context *st,
+ struct gl_fragment_program *fpIn,
+ struct gl_fragment_program **fpOut,
+ GLuint *bitmap_sampler)
+{
+ struct st_fragment_program *bitmap_prog;
+ struct st_fragment_program *stfpIn = (struct st_fragment_program *) fpIn;
+ struct gl_program *newProg;
+ uint sampler;
+
+ /*
+ * Generate new program which is the user-defined program prefixed
+ * with the bitmap sampler/kill instructions.
+ */
+ sampler = find_free_bit(fpIn->Base.SamplersUsed);
+
+ if (stfpIn->glsl_to_tgsi)
+ newProg = make_bitmap_fragment_program_glsl(st, stfpIn, sampler);
+ else {
+ bitmap_prog = make_bitmap_fragment_program(st->ctx, sampler);
+
+ newProg = _mesa_combine_programs(st->ctx,
+ &bitmap_prog->Base.Base,
+ &fpIn->Base);
+ /* done with this after combining */
+ st_reference_fragprog(st, &bitmap_prog, NULL);
+ }
+
+#if 0
+ {
+ printf("Combined bitmap program:\n");
+ _mesa_print_program(newProg);
+ printf("InputsRead: 0x%x\n", newProg->InputsRead);
+ printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten);
+ _mesa_print_parameter_list(newProg->Parameters);
+ }
+#endif
+
+ /* return results */
+ *fpOut = (struct gl_fragment_program *) newProg;
+ *bitmap_sampler = sampler;
+}
+
+
+/**
+ * Copy user-provide bitmap bits into texture buffer, expanding
+ * bits into texels.
+ * "On" bits will set texels to 0x0.
+ * "Off" bits will not modify texels.
+ * Note that the image is actually going to be upside down in
+ * the texture. We deal with that with texcoords.
+ */
+static void
+unpack_bitmap(struct st_context *st,
+ GLint px, GLint py, GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLubyte *bitmap,
+ ubyte *destBuffer, uint destStride)
+{
+ destBuffer += py * destStride + px;
+
+ _mesa_expand_bitmap(width, height, unpack, bitmap,
+ destBuffer, destStride, 0x0);
+}
+
+
+/**
+ * Create a texture which represents a bitmap image.
+ */
+static struct pipe_resource *
+make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLubyte *bitmap)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer *transfer;
+ ubyte *dest;
+ struct pipe_resource *pt;
+
+ /* PBO source... */
+ bitmap = _mesa_map_pbo_source(ctx, unpack, bitmap);
+ if (!bitmap) {
+ return NULL;
+ }
+
+ /**
+ * Create texture to hold bitmap pattern.
+ */
+ pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format,
+ 0, width, height, 1, 1,
+ PIPE_BIND_SAMPLER_VIEW);
+ if (!pt) {
+ _mesa_unmap_pbo_source(ctx, unpack);
+ return NULL;
+ }
+
+ transfer = pipe_get_transfer(st->pipe, pt, 0, 0,
+ PIPE_TRANSFER_WRITE,
+ 0, 0, width, height);
+
+ dest = pipe_transfer_map(pipe, transfer);
+
+ /* Put image into texture transfer */
+ memset(dest, 0xff, height * transfer->stride);
+ unpack_bitmap(st, 0, 0, width, height, unpack, bitmap,
+ dest, transfer->stride);
+
+ _mesa_unmap_pbo_source(ctx, unpack);
+
+ /* Release transfer */
+ pipe_transfer_unmap(pipe, transfer);
+ pipe->transfer_destroy(pipe, transfer);
+
+ return pt;
+}
+
+static GLuint
+setup_bitmap_vertex_data(struct st_context *st, bool normalized,
+ int x, int y, int width, int height,
+ float z, const float color[4])
+{
+ struct pipe_context *pipe = st->pipe;
+ const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
+ const GLfloat fb_width = (GLfloat)fb->Width;
+ const GLfloat fb_height = (GLfloat)fb->Height;
+ const GLfloat x0 = (GLfloat)x;
+ const GLfloat x1 = (GLfloat)(x + width);
+ const GLfloat y0 = (GLfloat)y;
+ const GLfloat y1 = (GLfloat)(y + height);
+ GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0;
+ GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop;
+ const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0);
+ const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0);
+ const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0);
+ const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0);
+ const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */
+ GLuint i;
+
+ if(!normalized)
+ {
+ sRight = (GLfloat) width;
+ tBot = (GLfloat) height;
+ }
+
+ /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
+ * no_flush) updates to buffers where we know there is no conflict
+ * with previous data. Currently using max_slots > 1 will cause
+ * synchronous rendering if the driver flushes its command buffers
+ * between one bitmap and the next. Our flush hook below isn't
+ * sufficient to catch this as the driver doesn't tell us when it
+ * flushes its own command buffers. Until this gets fixed, pay the
+ * price of allocating a new buffer for each bitmap cache-flush to
+ * avoid synchronous rendering.
+ */
+ if (st->bitmap.vbuf_slot >= max_slots) {
+ pipe_resource_reference(&st->bitmap.vbuf, NULL);
+ st->bitmap.vbuf_slot = 0;
+ }
+
+ if (!st->bitmap.vbuf) {
+ st->bitmap.vbuf = pipe_buffer_create(pipe->screen,
+ PIPE_BIND_VERTEX_BUFFER,
+ PIPE_USAGE_STREAM,
+ max_slots *
+ sizeof(st->bitmap.vertices));
+ }
+
+ /* Positions are in clip coords since we need to do clipping in case
+ * the bitmap quad goes beyond the window bounds.
+ */
+ st->bitmap.vertices[0][0][0] = clip_x0;
+ st->bitmap.vertices[0][0][1] = clip_y0;
+ st->bitmap.vertices[0][2][0] = sLeft;
+ st->bitmap.vertices[0][2][1] = tTop;
+
+ st->bitmap.vertices[1][0][0] = clip_x1;
+ st->bitmap.vertices[1][0][1] = clip_y0;
+ st->bitmap.vertices[1][2][0] = sRight;
+ st->bitmap.vertices[1][2][1] = tTop;
+
+ st->bitmap.vertices[2][0][0] = clip_x1;
+ st->bitmap.vertices[2][0][1] = clip_y1;
+ st->bitmap.vertices[2][2][0] = sRight;
+ st->bitmap.vertices[2][2][1] = tBot;
+
+ st->bitmap.vertices[3][0][0] = clip_x0;
+ st->bitmap.vertices[3][0][1] = clip_y1;
+ st->bitmap.vertices[3][2][0] = sLeft;
+ st->bitmap.vertices[3][2][1] = tBot;
+
+ /* same for all verts: */
+ for (i = 0; i < 4; i++) {
+ st->bitmap.vertices[i][0][2] = z;
+ st->bitmap.vertices[i][0][3] = 1.0f;
+ st->bitmap.vertices[i][1][0] = color[0];
+ st->bitmap.vertices[i][1][1] = color[1];
+ st->bitmap.vertices[i][1][2] = color[2];
+ st->bitmap.vertices[i][1][3] = color[3];
+ st->bitmap.vertices[i][2][2] = 0.0; /*R*/
+ st->bitmap.vertices[i][2][3] = 1.0; /*Q*/
+ }
+
+ /* put vertex data into vbuf */
+ pipe_buffer_write_nooverlap(st->pipe,
+ st->bitmap.vbuf,
+ st->bitmap.vbuf_slot
+ * sizeof(st->bitmap.vertices),
+ sizeof st->bitmap.vertices,
+ st->bitmap.vertices);
+
+ return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices;
+}
+
+
+
+/**
+ * Render a glBitmap by drawing a textured quad
+ */
+static void
+draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
+ GLsizei width, GLsizei height,
+ struct pipe_sampler_view *sv,
+ const GLfloat *color)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct cso_context *cso = st->cso_context;
+ struct st_fp_variant *fpv;
+ struct st_fp_variant_key key;
+ GLuint maxSize;
+ GLuint offset;
+
+ memset(&key, 0, sizeof(key));
+ key.st = st;
+ key.bitmap = GL_TRUE;
+
+ fpv = st_get_fp_variant(st, st->fp, &key);
+
+ /* As an optimization, Mesa's fragment programs will sometimes get the
+ * primary color from a statevar/constant rather than a varying variable.
+ * when that's the case, we need to ensure that we use the 'color'
+ * parameter and not the current attribute color (which may have changed
+ * through glRasterPos and state validation.
+ * So, we force the proper color here. Not elegant, but it works.
+ */
+ {
+ GLfloat colorSave[4];
+ COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
+ COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color);
+ st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
+ COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave);
+ }
+
+
+ /* limit checks */
+ /* XXX if the bitmap is larger than the max texture size, break
+ * it up into chunks.
+ */
+ maxSize = 1 << (pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+ assert(width <= (GLsizei)maxSize);
+ assert(height <= (GLsizei)maxSize);
+
+ cso_save_rasterizer(cso);
+ cso_save_samplers(cso);
+ cso_save_fragment_sampler_views(cso);
+ cso_save_viewport(cso);
+ cso_save_fragment_shader(cso);
+ cso_save_vertex_shader(cso);
+ cso_save_vertex_elements(cso);
+ cso_save_vertex_buffers(cso);
+
+ /* rasterizer state: just scissor */
+ st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
+ cso_set_rasterizer(cso, &st->bitmap.rasterizer);
+
+ /* fragment shader state: TEX lookup program */
+ cso_set_fragment_shader_handle(cso, fpv->driver_shader);
+
+ /* vertex shader state: position + texcoord pass-through */
+ cso_set_vertex_shader_handle(cso, st->bitmap.vs);
+
+ /* user samplers, plus our bitmap sampler */
+ {
+ struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
+ uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_samplers);
+ uint i;
+ for (i = 0; i < st->state.num_samplers; i++) {
+ samplers[i] = &st->state.samplers[i];
+ }
+ samplers[fpv->bitmap_sampler] =
+ &st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT];
+ cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers);
+ }
+
+ /* user textures, plus the bitmap texture */
+ {
+ struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
+ uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_textures);
+ memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views));
+ sampler_views[fpv->bitmap_sampler] = sv;
+ cso_set_fragment_sampler_views(cso, num, sampler_views);
+ }
+
+ /* viewport state: viewport matching window dims */
+ {
+ const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
+ const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
+ const GLfloat width = (GLfloat)fb->Width;
+ const GLfloat height = (GLfloat)fb->Height;
+ struct pipe_viewport_state vp;
+ vp.scale[0] = 0.5f * width;
+ vp.scale[1] = height * (invert ? -0.5f : 0.5f);
+ vp.scale[2] = 0.5f;
+ vp.scale[3] = 1.0f;
+ vp.translate[0] = 0.5f * width;
+ vp.translate[1] = 0.5f * height;
+ vp.translate[2] = 0.5f;
+ vp.translate[3] = 0.0f;
+ cso_set_viewport(cso, &vp);
+ }
+
+ cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+
+ /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
+ z = z * 2.0f - 1.0f;
+
+ /* draw textured quad */
+ offset = setup_bitmap_vertex_data(st,
+ sv->texture->target != PIPE_TEXTURE_RECT,
+ x, y, width, height, z, color);
+
+ util_draw_vertex_buffer(pipe, st->cso_context, st->bitmap.vbuf, offset,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 3); /* attribs/vert */
+
+
+ /* restore state */
+ cso_restore_rasterizer(cso);
+ cso_restore_samplers(cso);
+ cso_restore_fragment_sampler_views(cso);
+ cso_restore_viewport(cso);
+ cso_restore_fragment_shader(cso);
+ cso_restore_vertex_shader(cso);
+ cso_restore_vertex_elements(cso);
+ cso_restore_vertex_buffers(cso);
+}
+
+
+static void
+reset_cache(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct bitmap_cache *cache = st->bitmap.cache;
+
+ /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
+ cache->empty = GL_TRUE;
+
+ cache->xmin = 1000000;
+ cache->xmax = -1000000;
+ cache->ymin = 1000000;
+ cache->ymax = -1000000;
+
+ if (cache->trans) {
+ pipe->transfer_destroy(pipe, cache->trans);
+ cache->trans = NULL;
+ }
+
+ assert(!cache->texture);
+
+ /* allocate a new texture */
+ cache->texture = st_texture_create(st, PIPE_TEXTURE_2D,
+ st->bitmap.tex_format, 0,
+ BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
+ 1, 1,
+ PIPE_BIND_SAMPLER_VIEW);
+}
+
+
+/** Print bitmap image to stdout (debug) */
+static void
+print_cache(const struct bitmap_cache *cache)
+{
+ int i, j, k;
+
+ for (i = 0; i < BITMAP_CACHE_HEIGHT; i++) {
+ k = BITMAP_CACHE_WIDTH * (BITMAP_CACHE_HEIGHT - i - 1);
+ for (j = 0; j < BITMAP_CACHE_WIDTH; j++) {
+ if (cache->buffer[k])
+ printf("X");
+ else
+ printf(" ");
+ k++;
+ }
+ printf("\n");
+ }
+}
+
+
+/**
+ * Create gallium pipe_transfer object for the bitmap cache.
+ */
+static void
+create_cache_trans(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct bitmap_cache *cache = st->bitmap.cache;
+
+ if (cache->trans)
+ return;
+
+ /* Map the texture transfer.
+ * Subsequent glBitmap calls will write into the texture image.
+ */
+ cache->trans = pipe_get_transfer(st->pipe, cache->texture, 0, 0,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ BITMAP_CACHE_WIDTH,
+ BITMAP_CACHE_HEIGHT);
+ cache->buffer = pipe_transfer_map(pipe, cache->trans);
+
+ /* init image to all 0xff */
+ memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
+}
+
+
+/**
+ * If there's anything in the bitmap cache, draw/flush it now.
+ */
+void
+st_flush_bitmap_cache(struct st_context *st)
+{
+ if (!st->bitmap.cache->empty) {
+ struct bitmap_cache *cache = st->bitmap.cache;
+
+ if (st->ctx->DrawBuffer) {
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_sampler_view *sv;
+
+ assert(cache->xmin <= cache->xmax);
+
+/* printf("flush size %d x %d at %d, %d\n",
+ cache->xmax - cache->xmin,
+ cache->ymax - cache->ymin,
+ cache->xpos, cache->ypos);
+*/
+
+ /* The texture transfer has been mapped until now.
+ * So unmap and release the texture transfer before drawing.
+ */
+ if (cache->trans) {
+ if (0)
+ print_cache(cache);
+ pipe_transfer_unmap(pipe, cache->trans);
+ cache->buffer = NULL;
+
+ pipe->transfer_destroy(pipe, cache->trans);
+ cache->trans = NULL;
+ }
+
+ sv = st_create_texture_sampler_view(st->pipe, cache->texture);
+ if (sv) {
+ draw_bitmap_quad(st->ctx,
+ cache->xpos,
+ cache->ypos,
+ cache->zpos,
+ BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
+ sv,
+ cache->color);
+
+ pipe_sampler_view_reference(&sv, NULL);
+ }
+ }
+
+ /* release/free the texture */
+ pipe_resource_reference(&cache->texture, NULL);
+
+ reset_cache(st);
+ }
+}
+
+
+/**
+ * Flush bitmap cache and release vertex buffer.
+ */
+void
+st_flush_bitmap( struct st_context *st )
+{
+ st_flush_bitmap_cache(st);
+
+ /* Release vertex buffer to avoid synchronous rendering if we were
+ * to map it in the next frame.
+ */
+ pipe_resource_reference(&st->bitmap.vbuf, NULL);
+ st->bitmap.vbuf_slot = 0;
+}
+
+
+/**
+ * Try to accumulate this glBitmap call in the bitmap cache.
+ * \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc.
+ */
+static GLboolean
+accum_bitmap(struct st_context *st,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLubyte *bitmap )
+{
+ struct bitmap_cache *cache = st->bitmap.cache;
+ int px = -999, py = -999;
+ const GLfloat z = st->ctx->Current.RasterPos[2];
+
+ if (width > BITMAP_CACHE_WIDTH ||
+ height > BITMAP_CACHE_HEIGHT)
+ return GL_FALSE; /* too big to cache */
+
+ if (!cache->empty) {
+ px = x - cache->xpos; /* pos in buffer */
+ py = y - cache->ypos;
+ if (px < 0 || px + width > BITMAP_CACHE_WIDTH ||
+ py < 0 || py + height > BITMAP_CACHE_HEIGHT ||
+ !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color) ||
+ ((fabs(z - cache->zpos) > Z_EPSILON))) {
+ /* This bitmap would extend beyond cache bounds, or the bitmap
+ * color is changing
+ * so flush and continue.
+ */
+ st_flush_bitmap_cache(st);
+ }
+ }
+
+ if (cache->empty) {
+ /* Initialize. Center bitmap vertically in the buffer. */
+ px = 0;
+ py = (BITMAP_CACHE_HEIGHT - height) / 2;
+ cache->xpos = x;
+ cache->ypos = y - py;
+ cache->zpos = z;
+ cache->empty = GL_FALSE;
+ COPY_4FV(cache->color, st->ctx->Current.RasterColor);
+ }
+
+ assert(px != -999);
+ assert(py != -999);
+
+ if (x < cache->xmin)
+ cache->xmin = x;
+ if (y < cache->ymin)
+ cache->ymin = y;
+ if (x + width > cache->xmax)
+ cache->xmax = x + width;
+ if (y + height > cache->ymax)
+ cache->ymax = y + height;
+
+ /* create the transfer if needed */
+ create_cache_trans(st);
+
+ unpack_bitmap(st, px, py, width, height, unpack, bitmap,
+ cache->buffer, BITMAP_CACHE_WIDTH);
+
+ return GL_TRUE; /* accumulated */
+}
+
+
+
+/**
+ * Called via ctx->Driver.Bitmap()
+ */
+static void
+st_Bitmap(struct gl_context *ctx, GLint x, GLint y,
+ GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap )
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_resource *pt;
+
+ if (width == 0 || height == 0)
+ return;
+
+ st_validate_state(st);
+
+ if (!st->bitmap.vs) {
+ /* create pass-through vertex shader now */
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_COLOR,
+ TGSI_SEMANTIC_GENERIC };
+ const uint semantic_indexes[] = { 0, 0, 0 };
+ st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3,
+ semantic_names,
+ semantic_indexes);
+ }
+
+ if (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap))
+ return;
+
+ pt = make_bitmap_texture(ctx, width, height, unpack, bitmap);
+ if (pt) {
+ struct pipe_sampler_view *sv =
+ st_create_texture_sampler_view(st->pipe, pt);
+
+ assert(pt->target == PIPE_TEXTURE_2D || pt->target == PIPE_TEXTURE_RECT);
+
+ if (sv) {
+ draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2],
+ width, height, sv,
+ st->ctx->Current.RasterColor);
+
+ pipe_sampler_view_reference(&sv, NULL);
+ }
+
+ /* release/free the texture */
+ pipe_resource_reference(&pt, NULL);
+ }
+}
+
+
+/** Per-context init */
+void
+st_init_bitmap_functions(struct dd_function_table *functions)
+{
+ functions->Bitmap = st_Bitmap;
+}
+
+
+/** Per-context init */
+void
+st_init_bitmap(struct st_context *st)
+{
+ struct pipe_sampler_state *sampler = &st->bitmap.samplers[0];
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+
+ /* init sampler state once */
+ memset(sampler, 0, sizeof(*sampler));
+ sampler->wrap_s = PIPE_TEX_WRAP_CLAMP;
+ sampler->wrap_t = PIPE_TEX_WRAP_CLAMP;
+ sampler->wrap_r = PIPE_TEX_WRAP_CLAMP;
+ sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ st->bitmap.samplers[1] = *sampler;
+ st->bitmap.samplers[1].normalized_coords = 1;
+
+ /* init baseline rasterizer state once */
+ memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer));
+ st->bitmap.rasterizer.gl_rasterization_rules = 1;
+
+ /* find a usable texture format */
+ if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM;
+ }
+ else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM;
+ }
+ else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
+ }
+ else {
+ /* XXX support more formats */
+ assert(0);
+ }
+
+ /* alloc bitmap cache object */
+ st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache);
+
+ reset_cache(st);
+}
+
+
+/** Per-context tear-down */
+void
+st_destroy_bitmap(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct bitmap_cache *cache = st->bitmap.cache;
+
+ if (st->bitmap.vs) {
+ cso_delete_vertex_shader(st->cso_context, st->bitmap.vs);
+ st->bitmap.vs = NULL;
+ }
+
+ if (st->bitmap.vbuf) {
+ pipe_resource_reference(&st->bitmap.vbuf, NULL);
+ st->bitmap.vbuf = NULL;
+ }
+
+ if (cache) {
+ if (cache->trans) {
+ pipe_transfer_unmap(pipe, cache->trans);
+ pipe->transfer_destroy(pipe, cache->trans);
+ }
+ pipe_resource_reference(&st->bitmap.cache->texture, NULL);
+ free(st->bitmap.cache);
+ st->bitmap.cache = NULL;
+ }
+}
+
+#endif /* FEATURE_drawpix */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_blit.c b/mesalib/src/mesa/state_tracker/st_cb_blit.c
index 416be194d..626db1243 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_blit.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_blit.c
@@ -61,6 +61,82 @@ st_destroy_blit(struct st_context *st)
#if FEATURE_EXT_framebuffer_blit
+static void
+st_BlitFramebuffer_resolve(struct gl_context *ctx,
+ GLbitfield mask,
+ struct pipe_resolve_info *info)
+{
+ const GLbitfield depthStencil = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
+
+ struct st_context *st = st_context(ctx);
+
+ struct st_renderbuffer *srcRb, *dstRb;
+
+ if (mask & GL_COLOR_BUFFER_BIT) {
+ srcRb = st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
+ dstRb = st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
+
+ info->mask = PIPE_MASK_RGBA;
+
+ info->src.res = srcRb->texture;
+ info->src.layer = srcRb->surface->u.tex.first_layer;
+ info->dst.res = dstRb->texture;
+ info->dst.level = dstRb->surface->u.tex.level;
+ info->dst.layer = dstRb->surface->u.tex.first_layer;
+
+ st->pipe->resource_resolve(st->pipe, info);
+ }
+
+ if (mask & depthStencil) {
+ struct gl_renderbuffer_attachment *srcDepth, *srcStencil;
+ struct gl_renderbuffer_attachment *dstDepth, *dstStencil;
+ boolean combined;
+
+ srcDepth = &ctx->ReadBuffer->Attachment[BUFFER_DEPTH];
+ dstDepth = &ctx->DrawBuffer->Attachment[BUFFER_DEPTH];
+ srcStencil = &ctx->ReadBuffer->Attachment[BUFFER_STENCIL];
+ dstStencil = &ctx->DrawBuffer->Attachment[BUFFER_STENCIL];
+
+ combined =
+ st_is_depth_stencil_combined(srcDepth, srcStencil) &&
+ st_is_depth_stencil_combined(dstDepth, dstStencil);
+
+ if ((mask & GL_DEPTH_BUFFER_BIT) || combined) {
+ /* resolve depth and, if combined and requested, stencil as well */
+ srcRb = st_renderbuffer(srcDepth->Renderbuffer);
+ dstRb = st_renderbuffer(dstDepth->Renderbuffer);
+
+ info->mask = (mask & GL_DEPTH_BUFFER_BIT) ? PIPE_MASK_Z : 0;
+ if (combined && (mask & GL_STENCIL_BUFFER_BIT))
+ info->mask |= PIPE_MASK_S;
+
+ info->src.res = srcRb->texture;
+ info->src.layer = srcRb->surface->u.tex.first_layer;
+ info->dst.res = dstRb->texture;
+ info->dst.level = dstRb->surface->u.tex.level;
+ info->dst.layer = dstRb->surface->u.tex.first_layer;
+
+ st->pipe->resource_resolve(st->pipe, info);
+ }
+
+ if (mask & GL_STENCIL_BUFFER_BIT) {
+ /* resolve separate stencil buffer */
+ srcRb = st_renderbuffer(srcStencil->Renderbuffer);
+ dstRb = st_renderbuffer(dstStencil->Renderbuffer);
+
+ info->mask = PIPE_MASK_S;
+
+ info->src.res = srcRb->texture;
+ info->src.layer = srcRb->surface->u.tex.first_layer;
+ info->dst.res = dstRb->texture;
+ info->dst.level = dstRb->surface->u.tex.level;
+ info->dst.layer = dstRb->surface->u.tex.first_layer;
+
+ st->pipe->resource_resolve(st->pipe, info);
+ }
+ }
+}
+
static void
st_BlitFramebuffer(struct gl_context *ctx,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
@@ -95,6 +171,42 @@ st_BlitFramebuffer(struct gl_context *ctx,
srcY1 = readFB->Height - srcY1;
}
+ /* Disable conditional rendering. */
+ if (st->render_condition) {
+ st->pipe->render_condition(st->pipe, NULL, 0);
+ }
+
+ if (readFB->Visual.sampleBuffers > drawFB->Visual.sampleBuffers) {
+ struct pipe_resolve_info info;
+
+ if (dstX0 < dstX1) {
+ info.dst.x0 = dstX0;
+ info.dst.x1 = dstX1;
+ info.src.x0 = srcX0;
+ info.src.x1 = srcX1;
+ } else {
+ info.dst.x0 = dstX1;
+ info.dst.x1 = dstX0;
+ info.src.x0 = srcX1;
+ info.src.x1 = srcX0;
+ }
+ if (dstY0 < dstY1) {
+ info.dst.y0 = dstY0;
+ info.dst.y1 = dstY1;
+ info.src.y0 = srcY0;
+ info.src.y1 = srcY1;
+ } else {
+ info.dst.y0 = dstY1;
+ info.dst.y1 = dstY0;
+ info.src.y0 = srcY1;
+ info.src.y1 = srcY0;
+ }
+
+ st_BlitFramebuffer_resolve(ctx, mask, &info); /* filter doesn't apply */
+
+ goto done;
+ }
+
if (srcY0 > srcY1 && dstY0 > dstY1) {
/* Both src and dst are upside down. Swap Y to make it
* right-side up to increase odds of using a fast path.
@@ -109,11 +221,6 @@ st_BlitFramebuffer(struct gl_context *ctx,
dstY1 = tmp;
}
- /* Disable conditional rendering. */
- if (st->render_condition) {
- st->pipe->render_condition(st->pipe, NULL, 0);
- }
-
if (mask & GL_COLOR_BUFFER_BIT) {
struct gl_renderbuffer_attachment *srcAtt =
&readFB->Attachment[readFB->_ColorReadBufferIndex];
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 1d908c031..390c51869 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -94,6 +94,46 @@ is_passthrough_program(const struct gl_fragment_program *prog)
}
+/**
+ * Returns a fragment program which implements the current pixel transfer ops.
+ */
+static struct gl_fragment_program *
+get_glsl_pixel_transfer_program(struct st_context *st,
+ struct st_fragment_program *orig)
+{
+ int pixelMaps = 0, scaleAndBias = 0;
+ struct gl_context *ctx = st->ctx;
+ struct st_fragment_program *fp = (struct st_fragment_program *)
+ ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+
+ if (!fp)
+ return NULL;
+
+ if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 ||
+ ctx->Pixel.GreenBias != 0.0 || ctx->Pixel.GreenScale != 1.0 ||
+ ctx->Pixel.BlueBias != 0.0 || ctx->Pixel.BlueScale != 1.0 ||
+ ctx->Pixel.AlphaBias != 0.0 || ctx->Pixel.AlphaScale != 1.0) {
+ scaleAndBias = 1;
+ }
+
+ pixelMaps = ctx->Pixel.MapColorFlag;
+
+ if (pixelMaps) {
+ /* create the colormap/texture now if not already done */
+ if (!st->pixel_xfer.pixelmap_texture) {
+ st->pixel_xfer.pixelmap_texture = st_create_color_map_texture(ctx);
+ st->pixel_xfer.pixelmap_sampler_view =
+ st_create_texture_sampler_view(st->pipe,
+ st->pixel_xfer.pixelmap_texture);
+ }
+ }
+
+ get_pixel_transfer_visitor(fp, orig->glsl_to_tgsi,
+ scaleAndBias, pixelMaps);
+
+ return &fp->Base;
+}
+
/**
* Make fragment shader for glDraw/CopyPixels. This shader is made
@@ -107,11 +147,15 @@ st_make_drawpix_fragment_program(struct st_context *st,
struct gl_fragment_program **fpOut)
{
struct gl_program *newProg;
+ struct st_fragment_program *stfp = (struct st_fragment_program *) fpIn;
if (is_passthrough_program(fpIn)) {
newProg = (struct gl_program *) _mesa_clone_fragment_program(st->ctx,
&st->pixel_xfer.program->Base);
}
+ else if (stfp->glsl_to_tgsi != NULL) {
+ newProg = (struct gl_program *) get_glsl_pixel_transfer_program(st, stfp);
+ }
else {
#if 0
/* debug */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_program.c b/mesalib/src/mesa/state_tracker/st_cb_program.c
index 5096528a3..2abb4d8f0 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_program.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_program.c
@@ -1,245 +1,259 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "main/glheader.h"
-#include "main/macros.h"
-#include "main/enums.h"
-#include "main/shaderapi.h"
-#include "program/prog_instruction.h"
-#include "program/program.h"
-
-#include "cso_cache/cso_context.h"
-#include "draw/draw_context.h"
-
-#include "st_context.h"
-#include "st_program.h"
-#include "st_mesa_to_tgsi.h"
-#include "st_cb_program.h"
-
-
-
-/**
- * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
- * fragment program.
- */
-static void
-st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog)
-{
- struct st_context *st = st_context(ctx);
-
- switch (target) {
- case GL_VERTEX_PROGRAM_ARB:
- st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
- break;
- case MESA_GEOMETRY_PROGRAM:
- st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
- break;
- }
-}
-
-
-/**
- * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
- * (vertex shader + fragment shader).
- */
-static void
-st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
-{
- struct st_context *st = st_context(ctx);
-
- st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
- st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
- st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
-}
-
-
-/**
- * Called via ctx->Driver.NewProgram() to allocate a new vertex or
- * fragment program.
- */
-static struct gl_program *
-st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
-{
- switch (target) {
- case GL_VERTEX_PROGRAM_ARB: {
- struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
- return _mesa_init_vertex_program(ctx, &prog->Base, target, id);
- }
-
- case GL_FRAGMENT_PROGRAM_ARB:
- case GL_FRAGMENT_PROGRAM_NV: {
- struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
- return _mesa_init_fragment_program(ctx, &prog->Base, target, id);
- }
-
- case MESA_GEOMETRY_PROGRAM: {
- struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
- return _mesa_init_geometry_program(ctx, &prog->Base, target, id);
- }
-
- default:
- assert(0);
- return NULL;
- }
-}
-
-
-/**
- * Called via ctx->Driver.DeleteProgram()
- */
-static void
-st_delete_program(struct gl_context *ctx, struct gl_program *prog)
-{
- struct st_context *st = st_context(ctx);
-
- switch( prog->Target ) {
- case GL_VERTEX_PROGRAM_ARB:
- {
- struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
- st_release_vp_variants( st, stvp );
- }
- break;
- case MESA_GEOMETRY_PROGRAM:
- {
- struct st_geometry_program *stgp =
- (struct st_geometry_program *) prog;
-
- st_release_gp_variants(st, stgp);
-
- if (stgp->tgsi.tokens) {
- st_free_tokens((void *) stgp->tgsi.tokens);
- stgp->tgsi.tokens = NULL;
- }
- }
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- {
- struct st_fragment_program *stfp =
- (struct st_fragment_program *) prog;
-
- st_release_fp_variants(st, stfp);
-
- if (stfp->tgsi.tokens) {
- st_free_tokens(stfp->tgsi.tokens);
- stfp->tgsi.tokens = NULL;
- }
- }
- break;
- default:
- assert(0); /* problem */
- }
-
- /* delete base class */
- _mesa_delete_program( ctx, prog );
-}
-
-
-/**
- * Called via ctx->Driver.IsProgramNative()
- */
-static GLboolean
-st_is_program_native(struct gl_context *ctx,
- GLenum target,
- struct gl_program *prog)
-{
- return GL_TRUE;
-}
-
-
-/**
- * Called via ctx->Driver.ProgramStringNotify()
- * Called when the program's text/code is changed. We have to free
- * all shader variants and corresponding gallium shaders when this happens.
- */
-static GLboolean
-st_program_string_notify( struct gl_context *ctx,
- GLenum target,
- struct gl_program *prog )
-{
- struct st_context *st = st_context(ctx);
-
- if (target == GL_FRAGMENT_PROGRAM_ARB) {
- struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
-
- st_release_fp_variants(st, stfp);
-
- if (stfp->tgsi.tokens) {
- st_free_tokens(stfp->tgsi.tokens);
- stfp->tgsi.tokens = NULL;
- }
-
- if (st->fp == stfp)
- st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
- }
- else if (target == MESA_GEOMETRY_PROGRAM) {
- struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
-
- st_release_gp_variants(st, stgp);
-
- if (stgp->tgsi.tokens) {
- st_free_tokens((void *) stgp->tgsi.tokens);
- stgp->tgsi.tokens = NULL;
- }
-
- if (st->gp == stgp)
- st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
- }
- else if (target == GL_VERTEX_PROGRAM_ARB) {
- struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
-
- st_release_vp_variants( st, stvp );
-
- if (st->vp == stvp)
- st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
- }
-
- /* XXX check if program is legal, within limits */
- return GL_TRUE;
-}
-
-
-/**
- * Plug in the program and shader-related device driver functions.
- */
-void
-st_init_program_functions(struct dd_function_table *functions)
-{
- functions->BindProgram = st_bind_program;
- functions->UseProgram = st_use_program;
- functions->NewProgram = st_new_program;
- functions->DeleteProgram = st_delete_program;
- functions->IsProgramNative = st_is_program_native;
- functions->ProgramStringNotify = st_program_string_notify;
-}
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "main/shaderapi.h"
+#include "program/prog_instruction.h"
+#include "program/program.h"
+
+#include "cso_cache/cso_context.h"
+#include "draw/draw_context.h"
+
+#include "st_context.h"
+#include "st_program.h"
+#include "st_mesa_to_tgsi.h"
+#include "st_cb_program.h"
+#include "st_glsl_to_tgsi.h"
+
+
+
+/**
+ * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
+ * fragment program.
+ */
+static void
+st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog)
+{
+ struct st_context *st = st_context(ctx);
+
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+ break;
+ }
+}
+
+
+/**
+ * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
+ * (vertex shader + fragment shader).
+ */
+static void
+st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
+{
+ struct st_context *st = st_context(ctx);
+
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+}
+
+
+/**
+ * Called via ctx->Driver.NewProgram() to allocate a new vertex or
+ * fragment program.
+ */
+static struct gl_program *
+st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
+{
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB: {
+ struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
+ return _mesa_init_vertex_program(ctx, &prog->Base, target, id);
+ }
+
+ case GL_FRAGMENT_PROGRAM_ARB:
+ case GL_FRAGMENT_PROGRAM_NV: {
+ struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
+ return _mesa_init_fragment_program(ctx, &prog->Base, target, id);
+ }
+
+ case MESA_GEOMETRY_PROGRAM: {
+ struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
+ return _mesa_init_geometry_program(ctx, &prog->Base, target, id);
+ }
+
+ default:
+ assert(0);
+ return NULL;
+ }
+}
+
+
+/**
+ * Called via ctx->Driver.DeleteProgram()
+ */
+static void
+st_delete_program(struct gl_context *ctx, struct gl_program *prog)
+{
+ struct st_context *st = st_context(ctx);
+
+ switch( prog->Target ) {
+ case GL_VERTEX_PROGRAM_ARB:
+ {
+ struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
+ st_release_vp_variants( st, stvp );
+
+ if (stvp->glsl_to_tgsi)
+ free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
+ }
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ {
+ struct st_geometry_program *stgp =
+ (struct st_geometry_program *) prog;
+
+ st_release_gp_variants(st, stgp);
+
+ if (stgp->glsl_to_tgsi)
+ free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
+
+ if (stgp->tgsi.tokens) {
+ st_free_tokens((void *) stgp->tgsi.tokens);
+ stgp->tgsi.tokens = NULL;
+ }
+ }
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ {
+ struct st_fragment_program *stfp =
+ (struct st_fragment_program *) prog;
+
+ st_release_fp_variants(st, stfp);
+
+ if (stfp->glsl_to_tgsi)
+ free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
+
+ if (stfp->tgsi.tokens) {
+ st_free_tokens(stfp->tgsi.tokens);
+ stfp->tgsi.tokens = NULL;
+ }
+ }
+ break;
+ default:
+ assert(0); /* problem */
+ }
+
+ /* delete base class */
+ _mesa_delete_program( ctx, prog );
+}
+
+
+/**
+ * Called via ctx->Driver.IsProgramNative()
+ */
+static GLboolean
+st_is_program_native(struct gl_context *ctx,
+ GLenum target,
+ struct gl_program *prog)
+{
+ return GL_TRUE;
+}
+
+
+/**
+ * Called via ctx->Driver.ProgramStringNotify()
+ * Called when the program's text/code is changed. We have to free
+ * all shader variants and corresponding gallium shaders when this happens.
+ */
+static GLboolean
+st_program_string_notify( struct gl_context *ctx,
+ GLenum target,
+ struct gl_program *prog )
+{
+ struct st_context *st = st_context(ctx);
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
+
+ st_release_fp_variants(st, stfp);
+
+ if (stfp->tgsi.tokens) {
+ st_free_tokens(stfp->tgsi.tokens);
+ stfp->tgsi.tokens = NULL;
+ }
+
+ if (st->fp == stfp)
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ }
+ else if (target == MESA_GEOMETRY_PROGRAM) {
+ struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
+
+ st_release_gp_variants(st, stgp);
+
+ if (stgp->tgsi.tokens) {
+ st_free_tokens((void *) stgp->tgsi.tokens);
+ stgp->tgsi.tokens = NULL;
+ }
+
+ if (st->gp == stgp)
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB) {
+ struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
+
+ st_release_vp_variants( st, stvp );
+
+ if (st->vp == stvp)
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ }
+
+ /* XXX check if program is legal, within limits */
+ return GL_TRUE;
+}
+
+
+/**
+ * Plug in the program and shader-related device driver functions.
+ */
+void
+st_init_program_functions(struct dd_function_table *functions)
+{
+ functions->BindProgram = st_bind_program;
+ functions->UseProgram = st_use_program;
+ functions->NewProgram = st_new_program;
+ functions->DeleteProgram = st_delete_program;
+ functions->IsProgramNative = st_is_program_native;
+ functions->ProgramStringNotify = st_program_string_notify;
+
+ functions->NewShader = st_new_shader;
+ functions->NewShaderProgram = st_new_shader_program;
+ functions->LinkShader = st_link_shader;
+}
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index b5f6d356e..8e9009340 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -228,6 +228,7 @@ void st_init_extensions(struct st_context *st)
{
struct pipe_screen *screen = st->pipe->screen;
struct gl_context *ctx = st->ctx;
+ int i;
/*
* Extensions that are supported by all Gallium drivers:
@@ -605,6 +606,16 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.EXT_packed_float = GL_TRUE;
}
+ /* Maximum sample count. */
+ for (i = 16; i > 0; --i) {
+ if (screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+ PIPE_TEXTURE_2D, i,
+ PIPE_BIND_RENDER_TARGET)) {
+ ctx->Const.MaxSamples = i;
+ break;
+ }
+ }
+
if (screen->get_param(screen, PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE)) {
ctx->Extensions.ARB_seamless_cube_map = GL_TRUE;
ctx->Extensions.AMD_seamless_cubemap_per_texture = GL_TRUE;
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
new file mode 100644
index 000000000..460bafb38
--- /dev/null
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -0,0 +1,4961 @@
+/*
+ * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2011 Bryan Cain
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file glsl_to_tgsi.cpp
+ *
+ * Translate GLSL IR to TGSI.
+ */
+
+#include <stdio.h>
+#include "main/compiler.h"
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_print_visitor.h"
+#include "ir_expression_flattening.h"
+#include "glsl_types.h"
+#include "glsl_parser_extras.h"
+#include "../glsl/program.h"
+#include "ir_optimization.h"
+#include "ast.h"
+
+extern "C" {
+#include "main/mtypes.h"
+#include "main/shaderapi.h"
+#include "main/shaderobj.h"
+#include "main/uniforms.h"
+#include "program/hash_table.h"
+#include "program/prog_instruction.h"
+#include "program/prog_optimize.h"
+#include "program/prog_print.h"
+#include "program/program.h"
+#include "program/prog_uniform.h"
+#include "program/prog_parameter.h"
+#include "program/sampler.h"
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+#include "util/u_math.h"
+#include "tgsi/tgsi_ureg.h"
+#include "tgsi/tgsi_info.h"
+#include "st_context.h"
+#include "st_program.h"
+#include "st_glsl_to_tgsi.h"
+#include "st_mesa_to_tgsi.h"
+}
+
+#define PROGRAM_IMMEDIATE PROGRAM_FILE_MAX
+#define PROGRAM_ANY_CONST ((1 << PROGRAM_LOCAL_PARAM) | \
+ (1 << PROGRAM_ENV_PARAM) | \
+ (1 << PROGRAM_STATE_VAR) | \
+ (1 << PROGRAM_NAMED_PARAM) | \
+ (1 << PROGRAM_CONSTANT) | \
+ (1 << PROGRAM_UNIFORM))
+
+#define MAX_TEMPS 4096
+
+class st_src_reg;
+class st_dst_reg;
+
+static int swizzle_for_size(int size);
+
+/**
+ * This struct is a corresponding struct to TGSI ureg_src.
+ */
+class st_src_reg {
+public:
+ st_src_reg(gl_register_file file, int index, const glsl_type *type)
+ {
+ this->file = file;
+ this->index = index;
+ if (type && (type->is_scalar() || type->is_vector() || type->is_matrix()))
+ this->swizzle = swizzle_for_size(type->vector_elements);
+ else
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->type = type ? type->base_type : GLSL_TYPE_ERROR;
+ this->reladdr = NULL;
+ }
+
+ st_src_reg(gl_register_file file, int index, int type)
+ {
+ this->type = type;
+ this->file = file;
+ this->index = index;
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->reladdr = NULL;
+ }
+
+ st_src_reg()
+ {
+ this->type = GLSL_TYPE_ERROR;
+ this->file = PROGRAM_UNDEFINED;
+ this->index = 0;
+ this->swizzle = 0;
+ this->negate = 0;
+ this->reladdr = NULL;
+ }
+
+ explicit st_src_reg(st_dst_reg reg);
+
+ gl_register_file file; /**< PROGRAM_* from Mesa */
+ int index; /**< temporary index, VERT_ATTRIB_*, FRAG_ATTRIB_*, etc. */
+ GLuint swizzle; /**< SWIZZLE_XYZWONEZERO swizzles from Mesa. */
+ int negate; /**< NEGATE_XYZW mask from mesa */
+ int type; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */
+ /** Register index should be offset by the integer in this reg. */
+ st_src_reg *reladdr;
+};
+
+class st_dst_reg {
+public:
+ st_dst_reg(gl_register_file file, int writemask, int type)
+ {
+ this->file = file;
+ this->index = 0;
+ this->writemask = writemask;
+ this->cond_mask = COND_TR;
+ this->reladdr = NULL;
+ this->type = type;
+ }
+
+ st_dst_reg()
+ {
+ this->type = GLSL_TYPE_ERROR;
+ this->file = PROGRAM_UNDEFINED;
+ this->index = 0;
+ this->writemask = 0;
+ this->cond_mask = COND_TR;
+ this->reladdr = NULL;
+ }
+
+ explicit st_dst_reg(st_src_reg reg);
+
+ gl_register_file file; /**< PROGRAM_* from Mesa */
+ int index; /**< temporary index, VERT_ATTRIB_*, FRAG_ATTRIB_*, etc. */
+ int writemask; /**< Bitfield of WRITEMASK_[XYZW] */
+ GLuint cond_mask:4;
+ int type; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */
+ /** Register index should be offset by the integer in this reg. */
+ st_src_reg *reladdr;
+};
+
+st_src_reg::st_src_reg(st_dst_reg reg)
+{
+ this->type = reg.type;
+ this->file = reg.file;
+ this->index = reg.index;
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->reladdr = reg.reladdr;
+}
+
+st_dst_reg::st_dst_reg(st_src_reg reg)
+{
+ this->type = reg.type;
+ this->file = reg.file;
+ this->index = reg.index;
+ this->writemask = WRITEMASK_XYZW;
+ this->cond_mask = COND_TR;
+ this->reladdr = reg.reladdr;
+}
+
+class glsl_to_tgsi_instruction : public exec_node {
+public:
+ /* Callers of this ralloc-based new need not call delete. It's
+ * easier to just ralloc_free 'ctx' (or any of its ancestors). */
+ static void* operator new(size_t size, void *ctx)
+ {
+ void *node;
+
+ node = rzalloc_size(ctx, size);
+ assert(node != NULL);
+
+ return node;
+ }
+
+ unsigned op;
+ st_dst_reg dst;
+ st_src_reg src[3];
+ /** Pointer to the ir source this tree came from for debugging */
+ ir_instruction *ir;
+ GLboolean cond_update;
+ bool saturate;
+ int sampler; /**< sampler index */
+ int tex_target; /**< One of TEXTURE_*_INDEX */
+ GLboolean tex_shadow;
+ int dead_mask; /**< Used in dead code elimination */
+
+ class function_entry *function; /* Set on TGSI_OPCODE_CAL or TGSI_OPCODE_BGNSUB */
+};
+
+class variable_storage : public exec_node {
+public:
+ variable_storage(ir_variable *var, gl_register_file file, int index)
+ : file(file), index(index), var(var)
+ {
+ /* empty */
+ }
+
+ gl_register_file file;
+ int index;
+ ir_variable *var; /* variable that maps to this, if any */
+};
+
+class immediate_storage : public exec_node {
+public:
+ immediate_storage(gl_constant_value *values, int size, int type)
+ {
+ memcpy(this->values, values, size * sizeof(gl_constant_value));
+ this->size = size;
+ this->type = type;
+ }
+
+ gl_constant_value values[4];
+ int size; /**< Number of components (1-4) */
+ int type; /**< GL_FLOAT, GL_INT, GL_BOOL, or GL_UNSIGNED_INT */
+};
+
+class function_entry : public exec_node {
+public:
+ ir_function_signature *sig;
+
+ /**
+ * identifier of this function signature used by the program.
+ *
+ * At the point that TGSI instructions for function calls are
+ * generated, we don't know the address of the first instruction of
+ * the function body. So we make the BranchTarget that is called a
+ * small integer and rewrite them during set_branchtargets().
+ */
+ int sig_id;
+
+ /**
+ * Pointer to first instruction of the function body.
+ *
+ * Set during function body emits after main() is processed.
+ */
+ glsl_to_tgsi_instruction *bgn_inst;
+
+ /**
+ * Index of the first instruction of the function body in actual TGSI.
+ *
+ * Set after conversion from glsl_to_tgsi_instruction to TGSI.
+ */
+ int inst;
+
+ /** Storage for the return value. */
+ st_src_reg return_reg;
+};
+
+class glsl_to_tgsi_visitor : public ir_visitor {
+public:
+ glsl_to_tgsi_visitor();
+ ~glsl_to_tgsi_visitor();
+
+ function_entry *current_function;
+
+ struct gl_context *ctx;
+ struct gl_program *prog;
+ struct gl_shader_program *shader_program;
+ struct gl_shader_compiler_options *options;
+
+ int next_temp;
+
+ int num_address_regs;
+ int samplers_used;
+ bool indirect_addr_temps;
+ bool indirect_addr_consts;
+
+ int glsl_version;
+
+ variable_storage *find_variable_storage(ir_variable *var);
+
+ int add_constant(gl_register_file file, gl_constant_value values[4],
+ int size, int datatype, GLuint *swizzle_out);
+
+ function_entry *get_function_signature(ir_function_signature *sig);
+
+ st_src_reg get_temp(const glsl_type *type);
+ void reladdr_to_temp(ir_instruction *ir, st_src_reg *reg, int *num_reladdr);
+
+ st_src_reg st_src_reg_for_float(float val);
+ st_src_reg st_src_reg_for_int(int val);
+ st_src_reg st_src_reg_for_type(int type, int val);
+
+ /**
+ * \name Visit methods
+ *
+ * As typical for the visitor pattern, there must be one \c visit method for
+ * each concrete subclass of \c ir_instruction. Virtual base classes within
+ * the hierarchy should not have \c visit methods.
+ */
+ /*@{*/
+ virtual void visit(ir_variable *);
+ virtual void visit(ir_loop *);
+ virtual void visit(ir_loop_jump *);
+ virtual void visit(ir_function_signature *);
+ virtual void visit(ir_function *);
+ virtual void visit(ir_expression *);
+ virtual void visit(ir_swizzle *);
+ virtual void visit(ir_dereference_variable *);
+ virtual void visit(ir_dereference_array *);
+ virtual void visit(ir_dereference_record *);
+ virtual void visit(ir_assignment *);
+ virtual void visit(ir_constant *);
+ virtual void visit(ir_call *);
+ virtual void visit(ir_return *);
+ virtual void visit(ir_discard *);
+ virtual void visit(ir_texture *);
+ virtual void visit(ir_if *);
+ /*@}*/
+
+ st_src_reg result;
+
+ /** List of variable_storage */
+ exec_list variables;
+
+ /** List of immediate_storage */
+ exec_list immediates;
+ int num_immediates;
+
+ /** List of function_entry */
+ exec_list function_signatures;
+ int next_signature_id;
+
+ /** List of glsl_to_tgsi_instruction */
+ exec_list instructions;
+
+ glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op);
+
+ glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0);
+
+ glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0, st_src_reg src1);
+
+ glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ st_src_reg src0, st_src_reg src1, st_src_reg src2);
+
+ unsigned get_opcode(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ st_src_reg src0, st_src_reg src1);
+
+ /**
+ * Emit the correct dot-product instruction for the type of arguments
+ */
+ void emit_dp(ir_instruction *ir,
+ st_dst_reg dst,
+ st_src_reg src0,
+ st_src_reg src1,
+ unsigned elements);
+
+ void emit_scalar(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0);
+
+ void emit_scalar(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0, st_src_reg src1);
+
+ void emit_arl(ir_instruction *ir, st_dst_reg dst, st_src_reg src0);
+
+ void emit_scs(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, const st_src_reg &src);
+
+ GLboolean try_emit_mad(ir_expression *ir,
+ int mul_operand);
+ GLboolean try_emit_sat(ir_expression *ir);
+
+ void emit_swz(ir_expression *ir);
+
+ bool process_move_condition(ir_rvalue *ir);
+
+ void remove_output_reads(gl_register_file type);
+ void simplify_cmp(void);
+
+ void rename_temp_register(int index, int new_index);
+ int get_first_temp_read(int index);
+ int get_first_temp_write(int index);
+ int get_last_temp_read(int index);
+ int get_last_temp_write(int index);
+
+ void copy_propagate(void);
+ void eliminate_dead_code(void);
+ int eliminate_dead_code_advanced(void);
+ void merge_registers(void);
+ void renumber_registers(void);
+
+ void *mem_ctx;
+};
+
+static st_src_reg undef_src = st_src_reg(PROGRAM_UNDEFINED, 0, GLSL_TYPE_ERROR);
+
+static st_dst_reg undef_dst = st_dst_reg(PROGRAM_UNDEFINED, SWIZZLE_NOOP, GLSL_TYPE_ERROR);
+
+static st_dst_reg address_reg = st_dst_reg(PROGRAM_ADDRESS, WRITEMASK_X, GLSL_TYPE_FLOAT);
+
+static void
+fail_link(struct gl_shader_program *prog, const char *fmt, ...) PRINTFLIKE(2, 3);
+
+static void
+fail_link(struct gl_shader_program *prog, const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ ralloc_vasprintf_append(&prog->InfoLog, fmt, args);
+ va_end(args);
+
+ prog->LinkStatus = GL_FALSE;
+}
+
+static int
+swizzle_for_size(int size)
+{
+ int size_swizzles[4] = {
+ MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X),
+ MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y),
+ MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z),
+ MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W),
+ };
+
+ assert((size >= 1) && (size <= 4));
+ return size_swizzles[size - 1];
+}
+
+static bool
+is_tex_instruction(unsigned opcode)
+{
+ const tgsi_opcode_info* info = tgsi_get_opcode_info(opcode);
+ return info->is_tex;
+}
+
+static unsigned
+num_inst_dst_regs(unsigned opcode)
+{
+ const tgsi_opcode_info* info = tgsi_get_opcode_info(opcode);
+ return info->num_dst;
+}
+
+static unsigned
+num_inst_src_regs(unsigned opcode)
+{
+ const tgsi_opcode_info* info = tgsi_get_opcode_info(opcode);
+ return info->is_tex ? info->num_src - 1 : info->num_src;
+}
+
+glsl_to_tgsi_instruction *
+glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ st_src_reg src0, st_src_reg src1, st_src_reg src2)
+{
+ glsl_to_tgsi_instruction *inst = new(mem_ctx) glsl_to_tgsi_instruction();
+ int num_reladdr = 0, i;
+
+ op = get_opcode(ir, op, dst, src0, src1);
+
+ /* If we have to do relative addressing, we want to load the ARL
+ * reg directly for one of the regs, and preload the other reladdr
+ * sources into temps.
+ */
+ num_reladdr += dst.reladdr != NULL;
+ num_reladdr += src0.reladdr != NULL;
+ num_reladdr += src1.reladdr != NULL;
+ num_reladdr += src2.reladdr != NULL;
+
+ reladdr_to_temp(ir, &src2, &num_reladdr);
+ reladdr_to_temp(ir, &src1, &num_reladdr);
+ reladdr_to_temp(ir, &src0, &num_reladdr);
+
+ if (dst.reladdr) {
+ emit_arl(ir, address_reg, *dst.reladdr);
+ num_reladdr--;
+ }
+ assert(num_reladdr == 0);
+
+ inst->op = op;
+ inst->dst = dst;
+ inst->src[0] = src0;
+ inst->src[1] = src1;
+ inst->src[2] = src2;
+ inst->ir = ir;
+ inst->dead_mask = 0;
+
+ inst->function = NULL;
+
+ if (op == TGSI_OPCODE_ARL)
+ this->num_address_regs = 1;
+
+ /* Update indirect addressing status used by TGSI */
+ if (dst.reladdr) {
+ switch(dst.file) {
+ case PROGRAM_TEMPORARY:
+ this->indirect_addr_temps = true;
+ break;
+ case PROGRAM_LOCAL_PARAM:
+ case PROGRAM_ENV_PARAM:
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ case PROGRAM_CONSTANT:
+ case PROGRAM_UNIFORM:
+ this->indirect_addr_consts = true;
+ break;
+ case PROGRAM_IMMEDIATE:
+ assert(!"immediates should not have indirect addressing");
+ break;
+ default:
+ break;
+ }
+ }
+ else {
+ for (i=0; i<3; i++) {
+ if(inst->src[i].reladdr) {
+ switch(inst->src[i].file) {
+ case PROGRAM_TEMPORARY:
+ this->indirect_addr_temps = true;
+ break;
+ case PROGRAM_LOCAL_PARAM:
+ case PROGRAM_ENV_PARAM:
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ case PROGRAM_CONSTANT:
+ case PROGRAM_UNIFORM:
+ this->indirect_addr_consts = true;
+ break;
+ case PROGRAM_IMMEDIATE:
+ assert(!"immediates should not have indirect addressing");
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ this->instructions.push_tail(inst);
+
+ return inst;
+}
+
+
+glsl_to_tgsi_instruction *
+glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0, st_src_reg src1)
+{
+ return emit(ir, op, dst, src0, src1, undef_src);
+}
+
+glsl_to_tgsi_instruction *
+glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0)
+{
+ assert(dst.writemask != 0);
+ return emit(ir, op, dst, src0, undef_src, undef_src);
+}
+
+glsl_to_tgsi_instruction *
+glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op)
+{
+ return emit(ir, op, undef_dst, undef_src, undef_src, undef_src);
+}
+
+/**
+ * Determines whether to use an integer, unsigned integer, or float opcode
+ * based on the operands and input opcode, then emits the result.
+ *
+ * TODO: type checking for remaining TGSI opcodes
+ */
+unsigned
+glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ st_src_reg src0, st_src_reg src1)
+{
+ int type = GLSL_TYPE_FLOAT;
+
+ if (src0.type == GLSL_TYPE_FLOAT || src1.type == GLSL_TYPE_FLOAT)
+ type = GLSL_TYPE_FLOAT;
+ else if (glsl_version >= 130)
+ type = src0.type;
+
+#define case4(c, f, i, u) \
+ case TGSI_OPCODE_##c: \
+ if (type == GLSL_TYPE_INT) op = TGSI_OPCODE_##i; \
+ else if (type == GLSL_TYPE_UINT) op = TGSI_OPCODE_##u; \
+ else op = TGSI_OPCODE_##f; \
+ break;
+#define case3(f, i, u) case4(f, f, i, u)
+#define case2fi(f, i) case4(f, f, i, i)
+#define case2iu(i, u) case4(i, LAST, i, u)
+
+ switch(op) {
+ case2fi(ADD, UADD);
+ case2fi(MUL, UMUL);
+ case2fi(MAD, UMAD);
+ case3(DIV, IDIV, UDIV);
+ case3(MAX, IMAX, UMAX);
+ case3(MIN, IMIN, UMIN);
+ case2iu(MOD, UMOD);
+
+ case2fi(SEQ, USEQ);
+ case2fi(SNE, USNE);
+ case3(SGE, ISGE, USGE);
+ case3(SLT, ISLT, USLT);
+
+ case2iu(SHL, SHL);
+ case2iu(ISHR, USHR);
+ case2iu(NOT, NOT);
+ case2iu(AND, AND);
+ case2iu(OR, OR);
+ case2iu(XOR, XOR);
+
+ default: break;
+ }
+
+ assert(op != TGSI_OPCODE_LAST);
+ return op;
+}
+
+void
+glsl_to_tgsi_visitor::emit_dp(ir_instruction *ir,
+ st_dst_reg dst, st_src_reg src0, st_src_reg src1,
+ unsigned elements)
+{
+ static const unsigned dot_opcodes[] = {
+ TGSI_OPCODE_DP2, TGSI_OPCODE_DP3, TGSI_OPCODE_DP4
+ };
+
+ emit(ir, dot_opcodes[elements - 2], dst, src0, src1);
+}
+
+/**
+ * Emits TGSI scalar opcodes to produce unique answers across channels.
+ *
+ * Some TGSI opcodes are scalar-only, like ARB_fp/vp. The src X
+ * channel determines the result across all channels. So to do a vec4
+ * of this operation, we want to emit a scalar per source channel used
+ * to produce dest channels.
+ */
+void
+glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ st_src_reg orig_src0, st_src_reg orig_src1)
+{
+ int i, j;
+ int done_mask = ~dst.writemask;
+
+ /* TGSI RCP is a scalar operation splatting results to all channels,
+ * like ARB_fp/vp. So emit as many RCPs as necessary to cover our
+ * dst channels.
+ */
+ for (i = 0; i < 4; i++) {
+ GLuint this_mask = (1 << i);
+ glsl_to_tgsi_instruction *inst;
+ st_src_reg src0 = orig_src0;
+ st_src_reg src1 = orig_src1;
+
+ if (done_mask & this_mask)
+ continue;
+
+ GLuint src0_swiz = GET_SWZ(src0.swizzle, i);
+ GLuint src1_swiz = GET_SWZ(src1.swizzle, i);
+ for (j = i + 1; j < 4; j++) {
+ /* If there is another enabled component in the destination that is
+ * derived from the same inputs, generate its value on this pass as
+ * well.
+ */
+ if (!(done_mask & (1 << j)) &&
+ GET_SWZ(src0.swizzle, j) == src0_swiz &&
+ GET_SWZ(src1.swizzle, j) == src1_swiz) {
+ this_mask |= (1 << j);
+ }
+ }
+ src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz,
+ src0_swiz, src0_swiz);
+ src1.swizzle = MAKE_SWIZZLE4(src1_swiz, src1_swiz,
+ src1_swiz, src1_swiz);
+
+ inst = emit(ir, op, dst, src0, src1);
+ inst->dst.writemask = this_mask;
+ done_mask |= this_mask;
+ }
+}
+
+void
+glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op,
+ st_dst_reg dst, st_src_reg src0)
+{
+ st_src_reg undef = undef_src;
+
+ undef.swizzle = SWIZZLE_XXXX;
+
+ emit_scalar(ir, op, dst, src0, undef);
+}
+
+void
+glsl_to_tgsi_visitor::emit_arl(ir_instruction *ir,
+ st_dst_reg dst, st_src_reg src0)
+{
+ st_src_reg tmp = get_temp(glsl_type::float_type);
+
+ if (src0.type == GLSL_TYPE_INT)
+ emit(NULL, TGSI_OPCODE_I2F, st_dst_reg(tmp), src0);
+ else if (src0.type == GLSL_TYPE_UINT)
+ emit(NULL, TGSI_OPCODE_U2F, st_dst_reg(tmp), src0);
+ else
+ tmp = src0;
+
+ emit(NULL, TGSI_OPCODE_ARL, dst, tmp);
+}
+
+/**
+ * Emit an TGSI_OPCODE_SCS instruction
+ *
+ * The \c SCS opcode functions a bit differently than the other TGSI opcodes.
+ * Instead of splatting its result across all four components of the
+ * destination, it writes one value to the \c x component and another value to
+ * the \c y component.
+ *
+ * \param ir IR instruction being processed
+ * \param op Either \c TGSI_OPCODE_SIN or \c TGSI_OPCODE_COS depending
+ * on which value is desired.
+ * \param dst Destination register
+ * \param src Source register
+ */
+void
+glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op,
+ st_dst_reg dst,
+ const st_src_reg &src)
+{
+ /* Vertex programs cannot use the SCS opcode.
+ */
+ if (this->prog->Target == GL_VERTEX_PROGRAM_ARB) {
+ emit_scalar(ir, op, dst, src);
+ return;
+ }
+
+ const unsigned component = (op == TGSI_OPCODE_SIN) ? 0 : 1;
+ const unsigned scs_mask = (1U << component);
+ int done_mask = ~dst.writemask;
+ st_src_reg tmp;
+
+ assert(op == TGSI_OPCODE_SIN || op == TGSI_OPCODE_COS);
+
+ /* If there are compnents in the destination that differ from the component
+ * that will be written by the SCS instrution, we'll need a temporary.
+ */
+ if (scs_mask != unsigned(dst.writemask)) {
+ tmp = get_temp(glsl_type::vec4_type);
+ }
+
+ for (unsigned i = 0; i < 4; i++) {
+ unsigned this_mask = (1U << i);
+ st_src_reg src0 = src;
+
+ if ((done_mask & this_mask) != 0)
+ continue;
+
+ /* The source swizzle specified which component of the source generates
+ * sine / cosine for the current component in the destination. The SCS
+ * instruction requires that this value be swizzle to the X component.
+ * Replace the current swizzle with a swizzle that puts the source in
+ * the X component.
+ */
+ unsigned src0_swiz = GET_SWZ(src.swizzle, i);
+
+ src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz,
+ src0_swiz, src0_swiz);
+ for (unsigned j = i + 1; j < 4; j++) {
+ /* If there is another enabled component in the destination that is
+ * derived from the same inputs, generate its value on this pass as
+ * well.
+ */
+ if (!(done_mask & (1 << j)) &&
+ GET_SWZ(src0.swizzle, j) == src0_swiz) {
+ this_mask |= (1 << j);
+ }
+ }
+
+ if (this_mask != scs_mask) {
+ glsl_to_tgsi_instruction *inst;
+ st_dst_reg tmp_dst = st_dst_reg(tmp);
+
+ /* Emit the SCS instruction.
+ */
+ inst = emit(ir, TGSI_OPCODE_SCS, tmp_dst, src0);
+ inst->dst.writemask = scs_mask;
+
+ /* Move the result of the SCS instruction to the desired location in
+ * the destination.
+ */
+ tmp.swizzle = MAKE_SWIZZLE4(component, component,
+ component, component);
+ inst = emit(ir, TGSI_OPCODE_SCS, dst, tmp);
+ inst->dst.writemask = this_mask;
+ } else {
+ /* Emit the SCS instruction to write directly to the destination.
+ */
+ glsl_to_tgsi_instruction *inst = emit(ir, TGSI_OPCODE_SCS, dst, src0);
+ inst->dst.writemask = scs_mask;
+ }
+
+ done_mask |= this_mask;
+ }
+}
+
+int
+glsl_to_tgsi_visitor::add_constant(gl_register_file file,
+ gl_constant_value values[4], int size, int datatype,
+ GLuint *swizzle_out)
+{
+ if (file == PROGRAM_CONSTANT) {
+ return _mesa_add_typed_unnamed_constant(this->prog->Parameters, values,
+ size, datatype, swizzle_out);
+ } else {
+ int index = 0;
+ immediate_storage *entry;
+ assert(file == PROGRAM_IMMEDIATE);
+
+ /* Search immediate storage to see if we already have an identical
+ * immediate that we can use instead of adding a duplicate entry.
+ */
+ foreach_iter(exec_list_iterator, iter, this->immediates) {
+ entry = (immediate_storage *)iter.get();
+
+ if (entry->size == size &&
+ entry->type == datatype &&
+ !memcmp(entry->values, values, size * sizeof(gl_constant_value))) {
+ return index;
+ }
+ index++;
+ }
+
+ /* Add this immediate to the list. */
+ entry = new(mem_ctx) immediate_storage(values, size, datatype);
+ this->immediates.push_tail(entry);
+ this->num_immediates++;
+ return index;
+ }
+}
+
+struct st_src_reg
+glsl_to_tgsi_visitor::st_src_reg_for_float(float val)
+{
+ st_src_reg src(PROGRAM_IMMEDIATE, -1, GLSL_TYPE_FLOAT);
+ union gl_constant_value uval;
+
+ uval.f = val;
+ src.index = add_constant(src.file, &uval, 1, GL_FLOAT, &src.swizzle);
+
+ return src;
+}
+
+struct st_src_reg
+glsl_to_tgsi_visitor::st_src_reg_for_int(int val)
+{
+ st_src_reg src(PROGRAM_IMMEDIATE, -1, GLSL_TYPE_INT);
+ union gl_constant_value uval;
+
+ assert(glsl_version >= 130);
+
+ uval.i = val;
+ src.index = add_constant(src.file, &uval, 1, GL_INT, &src.swizzle);
+
+ return src;
+}
+
+struct st_src_reg
+glsl_to_tgsi_visitor::st_src_reg_for_type(int type, int val)
+{
+ if (glsl_version >= 130)
+ return type == GLSL_TYPE_FLOAT ? st_src_reg_for_float(val) :
+ st_src_reg_for_int(val);
+ else
+ return st_src_reg_for_float(val);
+}
+
+static int
+type_size(const struct glsl_type *type)
+{
+ unsigned int i;
+ int size;
+
+ switch (type->base_type) {
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_FLOAT:
+ case GLSL_TYPE_BOOL:
+ if (type->is_matrix()) {
+ return type->matrix_columns;
+ } else {
+ /* Regardless of size of vector, it gets a vec4. This is bad
+ * packing for things like floats, but otherwise arrays become a
+ * mess. Hopefully a later pass over the code can pack scalars
+ * down if appropriate.
+ */
+ return 1;
+ }
+ case GLSL_TYPE_ARRAY:
+ assert(type->length > 0);
+ return type_size(type->fields.array) * type->length;
+ case GLSL_TYPE_STRUCT:
+ size = 0;
+ for (i = 0; i < type->length; i++) {
+ size += type_size(type->fields.structure[i].type);
+ }
+ return size;
+ case GLSL_TYPE_SAMPLER:
+ /* Samplers take up one slot in UNIFORMS[], but they're baked in
+ * at link time.
+ */
+ return 1;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+/**
+ * In the initial pass of codegen, we assign temporary numbers to
+ * intermediate results. (not SSA -- variable assignments will reuse
+ * storage).
+ */
+st_src_reg
+glsl_to_tgsi_visitor::get_temp(const glsl_type *type)
+{
+ st_src_reg src;
+ int swizzle[4];
+ int i;
+
+ src.type = glsl_version >= 130 ? type->base_type : GLSL_TYPE_FLOAT;
+ src.file = PROGRAM_TEMPORARY;
+ src.index = next_temp;
+ src.reladdr = NULL;
+ next_temp += type_size(type);
+
+ if (type->is_array() || type->is_record()) {
+ src.swizzle = SWIZZLE_NOOP;
+ } else {
+ for (i = 0; i < type->vector_elements; i++)
+ swizzle[i] = i;
+ for (; i < 4; i++)
+ swizzle[i] = type->vector_elements - 1;
+ src.swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1],
+ swizzle[2], swizzle[3]);
+ }
+ src.negate = 0;
+
+ return src;
+}
+
+variable_storage *
+glsl_to_tgsi_visitor::find_variable_storage(ir_variable *var)
+{
+
+ variable_storage *entry;
+
+ foreach_iter(exec_list_iterator, iter, this->variables) {
+ entry = (variable_storage *)iter.get();
+
+ if (entry->var == var)
+ return entry;
+ }
+
+ return NULL;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_variable *ir)
+{
+ if (strcmp(ir->name, "gl_FragCoord") == 0) {
+ struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
+
+ fp->OriginUpperLeft = ir->origin_upper_left;
+ fp->PixelCenterInteger = ir->pixel_center_integer;
+
+ } else if (strcmp(ir->name, "gl_FragDepth") == 0) {
+ struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
+ switch (ir->depth_layout) {
+ case ir_depth_layout_none:
+ fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_NONE;
+ break;
+ case ir_depth_layout_any:
+ fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_ANY;
+ break;
+ case ir_depth_layout_greater:
+ fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_GREATER;
+ break;
+ case ir_depth_layout_less:
+ fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_LESS;
+ break;
+ case ir_depth_layout_unchanged:
+ fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_UNCHANGED;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+
+ if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
+ unsigned int i;
+ const ir_state_slot *const slots = ir->state_slots;
+ assert(ir->state_slots != NULL);
+
+ /* Check if this statevar's setup in the STATE file exactly
+ * matches how we'll want to reference it as a
+ * struct/array/whatever. If not, then we need to move it into
+ * temporary storage and hope that it'll get copy-propagated
+ * out.
+ */
+ for (i = 0; i < ir->num_state_slots; i++) {
+ if (slots[i].swizzle != SWIZZLE_XYZW) {
+ break;
+ }
+ }
+
+ struct variable_storage *storage;
+ st_dst_reg dst;
+ if (i == ir->num_state_slots) {
+ /* We'll set the index later. */
+ storage = new(mem_ctx) variable_storage(ir, PROGRAM_STATE_VAR, -1);
+ this->variables.push_tail(storage);
+
+ dst = undef_dst;
+ } else {
+ /* The variable_storage constructor allocates slots based on the size
+ * of the type. However, this had better match the number of state
+ * elements that we're going to copy into the new temporary.
+ */
+ assert((int) ir->num_state_slots == type_size(ir->type));
+
+ storage = new(mem_ctx) variable_storage(ir, PROGRAM_TEMPORARY,
+ this->next_temp);
+ this->variables.push_tail(storage);
+ this->next_temp += type_size(ir->type);
+
+ dst = st_dst_reg(st_src_reg(PROGRAM_TEMPORARY, storage->index,
+ glsl_version >= 130 ? ir->type->base_type : GLSL_TYPE_FLOAT));
+ }
+
+
+ for (unsigned int i = 0; i < ir->num_state_slots; i++) {
+ int index = _mesa_add_state_reference(this->prog->Parameters,
+ (gl_state_index *)slots[i].tokens);
+
+ if (storage->file == PROGRAM_STATE_VAR) {
+ if (storage->index == -1) {
+ storage->index = index;
+ } else {
+ assert(index == storage->index + (int)i);
+ }
+ } else {
+ st_src_reg src(PROGRAM_STATE_VAR, index,
+ glsl_version >= 130 ? ir->type->base_type : GLSL_TYPE_FLOAT);
+ src.swizzle = slots[i].swizzle;
+ emit(ir, TGSI_OPCODE_MOV, dst, src);
+ /* even a float takes up a whole vec4 reg in a struct/array. */
+ dst.index++;
+ }
+ }
+
+ if (storage->file == PROGRAM_TEMPORARY &&
+ dst.index != storage->index + (int) ir->num_state_slots) {
+ fail_link(this->shader_program,
+ "failed to load builtin uniform `%s' (%d/%d regs loaded)\n",
+ ir->name, dst.index - storage->index,
+ type_size(ir->type));
+ }
+ }
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_loop *ir)
+{
+ ir_dereference_variable *counter = NULL;
+
+ if (ir->counter != NULL)
+ counter = new(ir) ir_dereference_variable(ir->counter);
+
+ if (ir->from != NULL) {
+ assert(ir->counter != NULL);
+
+ ir_assignment *a = new(ir) ir_assignment(counter, ir->from, NULL);
+
+ a->accept(this);
+ delete a;
+ }
+
+ emit(NULL, TGSI_OPCODE_BGNLOOP);
+
+ if (ir->to) {
+ ir_expression *e =
+ new(ir) ir_expression(ir->cmp, glsl_type::bool_type,
+ counter, ir->to);
+ ir_if *if_stmt = new(ir) ir_if(e);
+
+ ir_loop_jump *brk = new(ir) ir_loop_jump(ir_loop_jump::jump_break);
+
+ if_stmt->then_instructions.push_tail(brk);
+
+ if_stmt->accept(this);
+
+ delete if_stmt;
+ delete e;
+ delete brk;
+ }
+
+ visit_exec_list(&ir->body_instructions, this);
+
+ if (ir->increment) {
+ ir_expression *e =
+ new(ir) ir_expression(ir_binop_add, counter->type,
+ counter, ir->increment);
+
+ ir_assignment *a = new(ir) ir_assignment(counter, e, NULL);
+
+ a->accept(this);
+ delete a;
+ delete e;
+ }
+
+ emit(NULL, TGSI_OPCODE_ENDLOOP);
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_loop_jump *ir)
+{
+ switch (ir->mode) {
+ case ir_loop_jump::jump_break:
+ emit(NULL, TGSI_OPCODE_BRK);
+ break;
+ case ir_loop_jump::jump_continue:
+ emit(NULL, TGSI_OPCODE_CONT);
+ break;
+ }
+}
+
+
+void
+glsl_to_tgsi_visitor::visit(ir_function_signature *ir)
+{
+ assert(0);
+ (void)ir;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_function *ir)
+{
+ /* Ignore function bodies other than main() -- we shouldn't see calls to
+ * them since they should all be inlined before we get to glsl_to_tgsi.
+ */
+ if (strcmp(ir->name, "main") == 0) {
+ const ir_function_signature *sig;
+ exec_list empty;
+
+ sig = ir->matching_signature(&empty);
+
+ assert(sig);
+
+ foreach_iter(exec_list_iterator, iter, sig->body) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+
+ ir->accept(this);
+ }
+ }
+}
+
+GLboolean
+glsl_to_tgsi_visitor::try_emit_mad(ir_expression *ir, int mul_operand)
+{
+ int nonmul_operand = 1 - mul_operand;
+ st_src_reg a, b, c;
+ st_dst_reg result_dst;
+
+ ir_expression *expr = ir->operands[mul_operand]->as_expression();
+ if (!expr || expr->operation != ir_binop_mul)
+ return false;
+
+ expr->operands[0]->accept(this);
+ a = this->result;
+ expr->operands[1]->accept(this);
+ b = this->result;
+ ir->operands[nonmul_operand]->accept(this);
+ c = this->result;
+
+ this->result = get_temp(ir->type);
+ result_dst = st_dst_reg(this->result);
+ result_dst.writemask = (1 << ir->type->vector_elements) - 1;
+ emit(ir, TGSI_OPCODE_MAD, result_dst, a, b, c);
+
+ return true;
+}
+
+GLboolean
+glsl_to_tgsi_visitor::try_emit_sat(ir_expression *ir)
+{
+ /* Saturates were only introduced to vertex programs in
+ * NV_vertex_program3, so don't give them to drivers in the VP.
+ */
+ if (this->prog->Target == GL_VERTEX_PROGRAM_ARB)
+ return false;
+
+ ir_rvalue *sat_src = ir->as_rvalue_to_saturate();
+ if (!sat_src)
+ return false;
+
+ sat_src->accept(this);
+ st_src_reg src = this->result;
+
+ this->result = get_temp(ir->type);
+ st_dst_reg result_dst = st_dst_reg(this->result);
+ result_dst.writemask = (1 << ir->type->vector_elements) - 1;
+ glsl_to_tgsi_instruction *inst;
+ inst = emit(ir, TGSI_OPCODE_MOV, result_dst, src);
+ inst->saturate = true;
+
+ return true;
+}
+
+void
+glsl_to_tgsi_visitor::reladdr_to_temp(ir_instruction *ir,
+ st_src_reg *reg, int *num_reladdr)
+{
+ if (!reg->reladdr)
+ return;
+
+ emit_arl(ir, address_reg, *reg->reladdr);
+
+ if (*num_reladdr != 1) {
+ st_src_reg temp = get_temp(glsl_type::vec4_type);
+
+ emit(ir, TGSI_OPCODE_MOV, st_dst_reg(temp), *reg);
+ *reg = temp;
+ }
+
+ (*num_reladdr)--;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_expression *ir)
+{
+ unsigned int operand;
+ st_src_reg op[Elements(ir->operands)];
+ st_src_reg result_src;
+ st_dst_reg result_dst;
+
+ /* Quick peephole: Emit MAD(a, b, c) instead of ADD(MUL(a, b), c)
+ */
+ if (ir->operation == ir_binop_add) {
+ if (try_emit_mad(ir, 1))
+ return;
+ if (try_emit_mad(ir, 0))
+ return;
+ }
+ if (try_emit_sat(ir))
+ return;
+
+ if (ir->operation == ir_quadop_vector)
+ assert(!"ir_quadop_vector should have been lowered");
+
+ for (operand = 0; operand < ir->get_num_operands(); operand++) {
+ this->result.file = PROGRAM_UNDEFINED;
+ ir->operands[operand]->accept(this);
+ if (this->result.file == PROGRAM_UNDEFINED) {
+ ir_print_visitor v;
+ printf("Failed to get tree for expression operand:\n");
+ ir->operands[operand]->accept(&v);
+ exit(1);
+ }
+ op[operand] = this->result;
+
+ /* Matrix expression operands should have been broken down to vector
+ * operations already.
+ */
+ assert(!ir->operands[operand]->type->is_matrix());
+ }
+
+ int vector_elements = ir->operands[0]->type->vector_elements;
+ if (ir->operands[1]) {
+ vector_elements = MAX2(vector_elements,
+ ir->operands[1]->type->vector_elements);
+ }
+
+ this->result.file = PROGRAM_UNDEFINED;
+
+ /* Storage for our result. Ideally for an assignment we'd be using
+ * the actual storage for the result here, instead.
+ */
+ result_src = get_temp(ir->type);
+ /* convenience for the emit functions below. */
+ result_dst = st_dst_reg(result_src);
+ /* Limit writes to the channels that will be used by result_src later.
+ * This does limit this temp's use as a temporary for multi-instruction
+ * sequences.
+ */
+ result_dst.writemask = (1 << ir->type->vector_elements) - 1;
+
+ switch (ir->operation) {
+ case ir_unop_logic_not:
+ emit(ir, TGSI_OPCODE_SEQ, result_dst, op[0], st_src_reg_for_type(result_dst.type, 0));
+ break;
+ case ir_unop_neg:
+ assert(result_dst.type == GLSL_TYPE_FLOAT || result_dst.type == GLSL_TYPE_INT);
+ if (result_dst.type == GLSL_TYPE_INT)
+ emit(ir, TGSI_OPCODE_INEG, result_dst, op[0]);
+ else {
+ op[0].negate = ~op[0].negate;
+ result_src = op[0];
+ }
+ break;
+ case ir_unop_abs:
+ assert(result_dst.type == GLSL_TYPE_FLOAT);
+ emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
+ break;
+ case ir_unop_sign:
+ emit(ir, TGSI_OPCODE_SSG, result_dst, op[0]);
+ break;
+ case ir_unop_rcp:
+ emit_scalar(ir, TGSI_OPCODE_RCP, result_dst, op[0]);
+ break;
+
+ case ir_unop_exp2:
+ emit_scalar(ir, TGSI_OPCODE_EX2, result_dst, op[0]);
+ break;
+ case ir_unop_exp:
+ case ir_unop_log:
+ assert(!"not reached: should be handled by ir_explog_to_explog2");
+ break;
+ case ir_unop_log2:
+ emit_scalar(ir, TGSI_OPCODE_LG2, result_dst, op[0]);
+ break;
+ case ir_unop_sin:
+ emit_scalar(ir, TGSI_OPCODE_SIN, result_dst, op[0]);
+ break;
+ case ir_unop_cos:
+ emit_scalar(ir, TGSI_OPCODE_COS, result_dst, op[0]);
+ break;
+ case ir_unop_sin_reduced:
+ emit_scs(ir, TGSI_OPCODE_SIN, result_dst, op[0]);
+ break;
+ case ir_unop_cos_reduced:
+ emit_scs(ir, TGSI_OPCODE_COS, result_dst, op[0]);
+ break;
+
+ case ir_unop_dFdx:
+ emit(ir, TGSI_OPCODE_DDX, result_dst, op[0]);
+ break;
+ case ir_unop_dFdy:
+ op[0].negate = ~op[0].negate;
+ emit(ir, TGSI_OPCODE_DDY, result_dst, op[0]);
+ break;
+
+ case ir_unop_noise: {
+ /* At some point, a motivated person could add a better
+ * implementation of noise. Currently not even the nvidia
+ * binary drivers do anything more than this. In any case, the
+ * place to do this is in the GL state tracker, not the poor
+ * driver.
+ */
+ emit(ir, TGSI_OPCODE_MOV, result_dst, st_src_reg_for_float(0.5));
+ break;
+ }
+
+ case ir_binop_add:
+ emit(ir, TGSI_OPCODE_ADD, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_sub:
+ emit(ir, TGSI_OPCODE_SUB, result_dst, op[0], op[1]);
+ break;
+
+ case ir_binop_mul:
+ emit(ir, TGSI_OPCODE_MUL, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_div:
+ if (result_dst.type == GLSL_TYPE_FLOAT)
+ assert(!"not reached: should be handled by ir_div_to_mul_rcp");
+ else
+ emit(ir, TGSI_OPCODE_DIV, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_mod:
+ if (result_dst.type == GLSL_TYPE_FLOAT)
+ assert(!"ir_binop_mod should have been converted to b * fract(a/b)");
+ else
+ emit(ir, TGSI_OPCODE_MOD, result_dst, op[0], op[1]);
+ break;
+
+ case ir_binop_less:
+ emit(ir, TGSI_OPCODE_SLT, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_greater:
+ emit(ir, TGSI_OPCODE_SGT, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_lequal:
+ emit(ir, TGSI_OPCODE_SLE, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_gequal:
+ emit(ir, TGSI_OPCODE_SGE, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_equal:
+ emit(ir, TGSI_OPCODE_SEQ, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_nequal:
+ emit(ir, TGSI_OPCODE_SNE, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_all_equal:
+ /* "==" operator producing a scalar boolean. */
+ if (ir->operands[0]->type->is_vector() ||
+ ir->operands[1]->type->is_vector()) {
+ st_src_reg temp = get_temp(glsl_version >= 130 ?
+ glsl_type::get_instance(ir->operands[0]->type->base_type, 4, 1) :
+ glsl_type::vec4_type);
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ emit(ir, TGSI_OPCODE_SNE, st_dst_reg(temp), op[0], op[1]);
+ emit_dp(ir, result_dst, temp, temp, vector_elements);
+ emit(ir, TGSI_OPCODE_SEQ, result_dst, result_src, st_src_reg_for_float(0.0));
+ } else {
+ emit(ir, TGSI_OPCODE_SEQ, result_dst, op[0], op[1]);
+ }
+ break;
+ case ir_binop_any_nequal:
+ /* "!=" operator producing a scalar boolean. */
+ if (ir->operands[0]->type->is_vector() ||
+ ir->operands[1]->type->is_vector()) {
+ st_src_reg temp = get_temp(glsl_version >= 130 ?
+ glsl_type::get_instance(ir->operands[0]->type->base_type, 4, 1) :
+ glsl_type::vec4_type);
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ emit(ir, TGSI_OPCODE_SNE, st_dst_reg(temp), op[0], op[1]);
+ emit_dp(ir, result_dst, temp, temp, vector_elements);
+ emit(ir, TGSI_OPCODE_SNE, result_dst, result_src, st_src_reg_for_float(0.0));
+ } else {
+ emit(ir, TGSI_OPCODE_SNE, result_dst, op[0], op[1]);
+ }
+ break;
+
+ case ir_unop_any:
+ assert(ir->operands[0]->type->is_vector());
+ emit_dp(ir, result_dst, op[0], op[0],
+ ir->operands[0]->type->vector_elements);
+ emit(ir, TGSI_OPCODE_SNE, result_dst, result_src, st_src_reg_for_float(0.0));
+ break;
+
+ case ir_binop_logic_xor:
+ emit(ir, TGSI_OPCODE_SNE, result_dst, op[0], op[1]);
+ break;
+
+ case ir_binop_logic_or:
+ /* This could be a saturated add and skip the SNE. */
+ emit(ir, TGSI_OPCODE_ADD, result_dst, op[0], op[1]);
+ emit(ir, TGSI_OPCODE_SNE, result_dst, result_src, st_src_reg_for_float(0.0));
+ break;
+
+ case ir_binop_logic_and:
+ /* the bool args are stored as float 0.0 or 1.0, so "mul" gives us "and". */
+ emit(ir, TGSI_OPCODE_MUL, result_dst, op[0], op[1]);
+ break;
+
+ case ir_binop_dot:
+ assert(ir->operands[0]->type->is_vector());
+ assert(ir->operands[0]->type == ir->operands[1]->type);
+ emit_dp(ir, result_dst, op[0], op[1],
+ ir->operands[0]->type->vector_elements);
+ break;
+
+ case ir_unop_sqrt:
+ /* sqrt(x) = x * rsq(x). */
+ emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_MUL, result_dst, result_src, op[0]);
+ /* For incoming channels <= 0, set the result to 0. */
+ op[0].negate = ~op[0].negate;
+ emit(ir, TGSI_OPCODE_CMP, result_dst,
+ op[0], result_src, st_src_reg_for_float(0.0));
+ break;
+ case ir_unop_rsq:
+ emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]);
+ break;
+ case ir_unop_i2f:
+ case ir_unop_b2f:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_I2F, result_dst, op[0]);
+ break;
+ }
+ case ir_unop_i2u:
+ case ir_unop_u2i:
+ /* Converting between signed and unsigned integers is a no-op. */
+ case ir_unop_b2i:
+ /* Booleans are stored as integers (or floats in GLSL 1.20 and lower). */
+ result_src = op[0];
+ break;
+ case ir_unop_f2i:
+ if (glsl_version >= 130)
+ emit(ir, TGSI_OPCODE_F2I, result_dst, op[0]);
+ else
+ emit(ir, TGSI_OPCODE_TRUNC, result_dst, op[0]);
+ break;
+ case ir_unop_f2b:
+ case ir_unop_i2b:
+ emit(ir, TGSI_OPCODE_SNE, result_dst, op[0],
+ st_src_reg_for_type(result_dst.type, 0));
+ break;
+ case ir_unop_trunc:
+ emit(ir, TGSI_OPCODE_TRUNC, result_dst, op[0]);
+ break;
+ case ir_unop_ceil:
+ op[0].negate = ~op[0].negate;
+ emit(ir, TGSI_OPCODE_FLR, result_dst, op[0]);
+ result_src.negate = ~result_src.negate;
+ break;
+ case ir_unop_floor:
+ emit(ir, TGSI_OPCODE_FLR, result_dst, op[0]);
+ break;
+ case ir_unop_fract:
+ emit(ir, TGSI_OPCODE_FRC, result_dst, op[0]);
+ break;
+
+ case ir_binop_min:
+ emit(ir, TGSI_OPCODE_MIN, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_max:
+ emit(ir, TGSI_OPCODE_MAX, result_dst, op[0], op[1]);
+ break;
+ case ir_binop_pow:
+ emit_scalar(ir, TGSI_OPCODE_POW, result_dst, op[0], op[1]);
+ break;
+
+ case ir_unop_bit_not:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_NOT, result_dst, op[0]);
+ break;
+ }
+ case ir_unop_u2f:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_U2F, result_dst, op[0]);
+ break;
+ }
+ case ir_binop_lshift:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_SHL, result_dst, op[0]);
+ break;
+ }
+ case ir_binop_rshift:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_ISHR, result_dst, op[0]);
+ break;
+ }
+ case ir_binop_bit_and:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_AND, result_dst, op[0]);
+ break;
+ }
+ case ir_binop_bit_xor:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_XOR, result_dst, op[0]);
+ break;
+ }
+ case ir_binop_bit_or:
+ if (glsl_version >= 130) {
+ emit(ir, TGSI_OPCODE_OR, result_dst, op[0]);
+ break;
+ }
+ case ir_unop_round_even:
+ assert(!"GLSL 1.30 features unsupported");
+ break;
+
+ case ir_quadop_vector:
+ /* This operation should have already been handled.
+ */
+ assert(!"Should not get here.");
+ break;
+ }
+
+ this->result = result_src;
+}
+
+
+void
+glsl_to_tgsi_visitor::visit(ir_swizzle *ir)
+{
+ st_src_reg src;
+ int i;
+ int swizzle[4];
+
+ /* Note that this is only swizzles in expressions, not those on the left
+ * hand side of an assignment, which do write masking. See ir_assignment
+ * for that.
+ */
+
+ ir->val->accept(this);
+ src = this->result;
+ assert(src.file != PROGRAM_UNDEFINED);
+
+ for (i = 0; i < 4; i++) {
+ if (i < ir->type->vector_elements) {
+ switch (i) {
+ case 0:
+ swizzle[i] = GET_SWZ(src.swizzle, ir->mask.x);
+ break;
+ case 1:
+ swizzle[i] = GET_SWZ(src.swizzle, ir->mask.y);
+ break;
+ case 2:
+ swizzle[i] = GET_SWZ(src.swizzle, ir->mask.z);
+ break;
+ case 3:
+ swizzle[i] = GET_SWZ(src.swizzle, ir->mask.w);
+ break;
+ }
+ } else {
+ /* If the type is smaller than a vec4, replicate the last
+ * channel out.
+ */
+ swizzle[i] = swizzle[ir->type->vector_elements - 1];
+ }
+ }
+
+ src.swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1], swizzle[2], swizzle[3]);
+
+ this->result = src;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
+{
+ variable_storage *entry = find_variable_storage(ir->var);
+ ir_variable *var = ir->var;
+
+ if (!entry) {
+ switch (var->mode) {
+ case ir_var_uniform:
+ entry = new(mem_ctx) variable_storage(var, PROGRAM_UNIFORM,
+ var->location);
+ this->variables.push_tail(entry);
+ break;
+ case ir_var_in:
+ case ir_var_inout:
+ /* The linker assigns locations for varyings and attributes,
+ * including deprecated builtins (like gl_Color), user-assign
+ * generic attributes (glBindVertexLocation), and
+ * user-defined varyings.
+ *
+ * FINISHME: We would hit this path for function arguments. Fix!
+ */
+ assert(var->location != -1);
+ entry = new(mem_ctx) variable_storage(var,
+ PROGRAM_INPUT,
+ var->location);
+ if (this->prog->Target == GL_VERTEX_PROGRAM_ARB &&
+ var->location >= VERT_ATTRIB_GENERIC0) {
+ _mesa_add_attribute(this->prog->Attributes,
+ var->name,
+ _mesa_sizeof_glsl_type(var->type->gl_type),
+ var->type->gl_type,
+ var->location - VERT_ATTRIB_GENERIC0);
+ }
+ break;
+ case ir_var_out:
+ assert(var->location != -1);
+ entry = new(mem_ctx) variable_storage(var,
+ PROGRAM_OUTPUT,
+ var->location);
+ break;
+ case ir_var_system_value:
+ entry = new(mem_ctx) variable_storage(var,
+ PROGRAM_SYSTEM_VALUE,
+ var->location);
+ break;
+ case ir_var_auto:
+ case ir_var_temporary:
+ entry = new(mem_ctx) variable_storage(var, PROGRAM_TEMPORARY,
+ this->next_temp);
+ this->variables.push_tail(entry);
+
+ next_temp += type_size(var->type);
+ break;
+ }
+
+ if (!entry) {
+ printf("Failed to make storage for %s\n", var->name);
+ exit(1);
+ }
+ }
+
+ this->result = st_src_reg(entry->file, entry->index, var->type);
+ if (glsl_version <= 120)
+ this->result.type = GLSL_TYPE_FLOAT;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_dereference_array *ir)
+{
+ ir_constant *index;
+ st_src_reg src;
+ int element_size = type_size(ir->type);
+
+ index = ir->array_index->constant_expression_value();
+
+ ir->array->accept(this);
+ src = this->result;
+
+ if (index) {
+ src.index += index->value.i[0] * element_size;
+ } else {
+ /* Variable index array dereference. It eats the "vec4" of the
+ * base of the array and an index that offsets the TGSI register
+ * index.
+ */
+ ir->array_index->accept(this);
+
+ st_src_reg index_reg;
+
+ if (element_size == 1) {
+ index_reg = this->result;
+ } else {
+ index_reg = get_temp(glsl_type::float_type);
+
+ emit(ir, TGSI_OPCODE_MUL, st_dst_reg(index_reg),
+ this->result, st_src_reg_for_float(element_size));
+ }
+
+ /* If there was already a relative address register involved, add the
+ * new and the old together to get the new offset.
+ */
+ if (src.reladdr != NULL) {
+ st_src_reg accum_reg = get_temp(glsl_type::float_type);
+
+ emit(ir, TGSI_OPCODE_ADD, st_dst_reg(accum_reg),
+ index_reg, *src.reladdr);
+
+ index_reg = accum_reg;
+ }
+
+ src.reladdr = ralloc(mem_ctx, st_src_reg);
+ memcpy(src.reladdr, &index_reg, sizeof(index_reg));
+ }
+
+ /* If the type is smaller than a vec4, replicate the last channel out. */
+ if (ir->type->is_scalar() || ir->type->is_vector())
+ src.swizzle = swizzle_for_size(ir->type->vector_elements);
+ else
+ src.swizzle = SWIZZLE_NOOP;
+
+ this->result = src;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_dereference_record *ir)
+{
+ unsigned int i;
+ const glsl_type *struct_type = ir->record->type;
+ int offset = 0;
+
+ ir->record->accept(this);
+
+ for (i = 0; i < struct_type->length; i++) {
+ if (strcmp(struct_type->fields.structure[i].name, ir->field) == 0)
+ break;
+ offset += type_size(struct_type->fields.structure[i].type);
+ }
+
+ /* If the type is smaller than a vec4, replicate the last channel out. */
+ if (ir->type->is_scalar() || ir->type->is_vector())
+ this->result.swizzle = swizzle_for_size(ir->type->vector_elements);
+ else
+ this->result.swizzle = SWIZZLE_NOOP;
+
+ this->result.index += offset;
+}
+
+/**
+ * We want to be careful in assignment setup to hit the actual storage
+ * instead of potentially using a temporary like we might with the
+ * ir_dereference handler.
+ */
+static st_dst_reg
+get_assignment_lhs(ir_dereference *ir, glsl_to_tgsi_visitor *v)
+{
+ /* The LHS must be a dereference. If the LHS is a variable indexed array
+ * access of a vector, it must be separated into a series conditional moves
+ * before reaching this point (see ir_vec_index_to_cond_assign).
+ */
+ assert(ir->as_dereference());
+ ir_dereference_array *deref_array = ir->as_dereference_array();
+ if (deref_array) {
+ assert(!deref_array->array->type->is_vector());
+ }
+
+ /* Use the rvalue deref handler for the most part. We'll ignore
+ * swizzles in it and write swizzles using writemask, though.
+ */
+ ir->accept(v);
+ return st_dst_reg(v->result);
+}
+
+/**
+ * Process the condition of a conditional assignment
+ *
+ * Examines the condition of a conditional assignment to generate the optimal
+ * first operand of a \c CMP instruction. If the condition is a relational
+ * operator with 0 (e.g., \c ir_binop_less), the value being compared will be
+ * used as the source for the \c CMP instruction. Otherwise the comparison
+ * is processed to a boolean result, and the boolean result is used as the
+ * operand to the CMP instruction.
+ */
+bool
+glsl_to_tgsi_visitor::process_move_condition(ir_rvalue *ir)
+{
+ ir_rvalue *src_ir = ir;
+ bool negate = true;
+ bool switch_order = false;
+
+ ir_expression *const expr = ir->as_expression();
+ if ((expr != NULL) && (expr->get_num_operands() == 2)) {
+ bool zero_on_left = false;
+
+ if (expr->operands[0]->is_zero()) {
+ src_ir = expr->operands[1];
+ zero_on_left = true;
+ } else if (expr->operands[1]->is_zero()) {
+ src_ir = expr->operands[0];
+ zero_on_left = false;
+ }
+
+ /* a is - 0 + - 0 +
+ * (a < 0) T F F ( a < 0) T F F
+ * (0 < a) F F T (-a < 0) F F T
+ * (a <= 0) T T F (-a < 0) F F T (swap order of other operands)
+ * (0 <= a) F T T ( a < 0) T F F (swap order of other operands)
+ * (a > 0) F F T (-a < 0) F F T
+ * (0 > a) T F F ( a < 0) T F F
+ * (a >= 0) F T T ( a < 0) T F F (swap order of other operands)
+ * (0 >= a) T T F (-a < 0) F F T (swap order of other operands)
+ *
+ * Note that exchanging the order of 0 and 'a' in the comparison simply
+ * means that the value of 'a' should be negated.
+ */
+ if (src_ir != ir) {
+ switch (expr->operation) {
+ case ir_binop_less:
+ switch_order = false;
+ negate = zero_on_left;
+ break;
+
+ case ir_binop_greater:
+ switch_order = false;
+ negate = !zero_on_left;
+ break;
+
+ case ir_binop_lequal:
+ switch_order = true;
+ negate = !zero_on_left;
+ break;
+
+ case ir_binop_gequal:
+ switch_order = true;
+ negate = zero_on_left;
+ break;
+
+ default:
+ /* This isn't the right kind of comparison afterall, so make sure
+ * the whole condition is visited.
+ */
+ src_ir = ir;
+ break;
+ }
+ }
+ }
+
+ src_ir->accept(this);
+
+ /* We use the TGSI_OPCODE_CMP (a < 0 ? b : c) for conditional moves, and the
+ * condition we produced is 0.0 or 1.0. By flipping the sign, we can
+ * choose which value TGSI_OPCODE_CMP produces without an extra instruction
+ * computing the condition.
+ */
+ if (negate)
+ this->result.negate = ~this->result.negate;
+
+ return switch_order;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_assignment *ir)
+{
+ st_dst_reg l;
+ st_src_reg r;
+ int i;
+
+ ir->rhs->accept(this);
+ r = this->result;
+
+ l = get_assignment_lhs(ir->lhs, this);
+
+ /* FINISHME: This should really set to the correct maximal writemask for each
+ * FINISHME: component written (in the loops below). This case can only
+ * FINISHME: occur for matrices, arrays, and structures.
+ */
+ if (ir->write_mask == 0) {
+ assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector());
+ l.writemask = WRITEMASK_XYZW;
+ } else if (ir->lhs->type->is_scalar() &&
+ ir->lhs->variable_referenced()->mode == ir_var_out) {
+ /* FINISHME: This hack makes writing to gl_FragDepth, which lives in the
+ * FINISHME: W component of fragment shader output zero, work correctly.
+ */
+ l.writemask = WRITEMASK_XYZW;
+ } else {
+ int swizzles[4];
+ int first_enabled_chan = 0;
+ int rhs_chan = 0;
+
+ l.writemask = ir->write_mask;
+
+ for (int i = 0; i < 4; i++) {
+ if (l.writemask & (1 << i)) {
+ first_enabled_chan = GET_SWZ(r.swizzle, i);
+ break;
+ }
+ }
+
+ /* Swizzle a small RHS vector into the channels being written.
+ *
+ * glsl ir treats write_mask as dictating how many channels are
+ * present on the RHS while TGSI treats write_mask as just
+ * showing which channels of the vec4 RHS get written.
+ */
+ for (int i = 0; i < 4; i++) {
+ if (l.writemask & (1 << i))
+ swizzles[i] = GET_SWZ(r.swizzle, rhs_chan++);
+ else
+ swizzles[i] = first_enabled_chan;
+ }
+ r.swizzle = MAKE_SWIZZLE4(swizzles[0], swizzles[1],
+ swizzles[2], swizzles[3]);
+ }
+
+ assert(l.file != PROGRAM_UNDEFINED);
+ assert(r.file != PROGRAM_UNDEFINED);
+
+ if (ir->condition) {
+ const bool switch_order = this->process_move_condition(ir->condition);
+ st_src_reg condition = this->result;
+
+ for (i = 0; i < type_size(ir->lhs->type); i++) {
+ st_src_reg l_src = st_src_reg(l);
+ l_src.swizzle = swizzle_for_size(ir->lhs->type->vector_elements);
+
+ if (switch_order) {
+ emit(ir, TGSI_OPCODE_CMP, l, condition, l_src, r);
+ } else {
+ emit(ir, TGSI_OPCODE_CMP, l, condition, r, l_src);
+ }
+
+ l.index++;
+ r.index++;
+ }
+ } else if (ir->rhs->as_expression() &&
+ this->instructions.get_tail() &&
+ ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir &&
+ type_size(ir->lhs->type) == 1) {
+ /* To avoid emitting an extra MOV when assigning an expression to a
+ * variable, emit the last instruction of the expression again, but
+ * replace the destination register with the target of the assignment.
+ * Dead code elimination will remove the original instruction.
+ */
+ glsl_to_tgsi_instruction *inst;
+ inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
+ emit(ir, inst->op, l, inst->src[0], inst->src[1], inst->src[2]);
+ } else {
+ for (i = 0; i < type_size(ir->lhs->type); i++) {
+ emit(ir, TGSI_OPCODE_MOV, l, r);
+ l.index++;
+ r.index++;
+ }
+ }
+}
+
+
+void
+glsl_to_tgsi_visitor::visit(ir_constant *ir)
+{
+ st_src_reg src;
+ GLfloat stack_vals[4] = { 0 };
+ gl_constant_value *values = (gl_constant_value *) stack_vals;
+ GLenum gl_type = GL_NONE;
+ unsigned int i;
+ static int in_array = 0;
+ gl_register_file file = in_array ? PROGRAM_CONSTANT : PROGRAM_IMMEDIATE;
+
+ /* Unfortunately, 4 floats is all we can get into
+ * _mesa_add_typed_unnamed_constant. So, make a temp to store an
+ * aggregate constant and move each constant value into it. If we
+ * get lucky, copy propagation will eliminate the extra moves.
+ */
+ if (ir->type->base_type == GLSL_TYPE_STRUCT) {
+ st_src_reg temp_base = get_temp(ir->type);
+ st_dst_reg temp = st_dst_reg(temp_base);
+
+ foreach_iter(exec_list_iterator, iter, ir->components) {
+ ir_constant *field_value = (ir_constant *)iter.get();
+ int size = type_size(field_value->type);
+
+ assert(size > 0);
+
+ field_value->accept(this);
+ src = this->result;
+
+ for (i = 0; i < (unsigned int)size; i++) {
+ emit(ir, TGSI_OPCODE_MOV, temp, src);
+
+ src.index++;
+ temp.index++;
+ }
+ }
+ this->result = temp_base;
+ return;
+ }
+
+ if (ir->type->is_array()) {
+ st_src_reg temp_base = get_temp(ir->type);
+ st_dst_reg temp = st_dst_reg(temp_base);
+ int size = type_size(ir->type->fields.array);
+
+ assert(size > 0);
+ in_array++;
+
+ for (i = 0; i < ir->type->length; i++) {
+ ir->array_elements[i]->accept(this);
+ src = this->result;
+ for (int j = 0; j < size; j++) {
+ emit(ir, TGSI_OPCODE_MOV, temp, src);
+
+ src.index++;
+ temp.index++;
+ }
+ }
+ this->result = temp_base;
+ in_array--;
+ return;
+ }
+
+ if (ir->type->is_matrix()) {
+ st_src_reg mat = get_temp(ir->type);
+ st_dst_reg mat_column = st_dst_reg(mat);
+
+ for (i = 0; i < ir->type->matrix_columns; i++) {
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ values = (gl_constant_value *) &ir->value.f[i * ir->type->vector_elements];
+
+ src = st_src_reg(file, -1, ir->type->base_type);
+ src.index = add_constant(file,
+ values,
+ ir->type->vector_elements,
+ GL_FLOAT,
+ &src.swizzle);
+ emit(ir, TGSI_OPCODE_MOV, mat_column, src);
+
+ mat_column.index++;
+ }
+
+ this->result = mat;
+ return;
+ }
+
+ switch (ir->type->base_type) {
+ case GLSL_TYPE_FLOAT:
+ gl_type = GL_FLOAT;
+ for (i = 0; i < ir->type->vector_elements; i++) {
+ values[i].f = ir->value.f[i];
+ }
+ break;
+ case GLSL_TYPE_UINT:
+ gl_type = glsl_version >= 130 ? GL_UNSIGNED_INT : GL_FLOAT;
+ for (i = 0; i < ir->type->vector_elements; i++) {
+ if (glsl_version >= 130)
+ values[i].u = ir->value.u[i];
+ else
+ values[i].f = ir->value.u[i];
+ }
+ break;
+ case GLSL_TYPE_INT:
+ gl_type = glsl_version >= 130 ? GL_INT : GL_FLOAT;
+ for (i = 0; i < ir->type->vector_elements; i++) {
+ if (glsl_version >= 130)
+ values[i].i = ir->value.i[i];
+ else
+ values[i].f = ir->value.i[i];
+ }
+ break;
+ case GLSL_TYPE_BOOL:
+ gl_type = glsl_version >= 130 ? GL_BOOL : GL_FLOAT;
+ for (i = 0; i < ir->type->vector_elements; i++) {
+ if (glsl_version >= 130)
+ values[i].b = ir->value.b[i];
+ else
+ values[i].f = ir->value.b[i];
+ }
+ break;
+ default:
+ assert(!"Non-float/uint/int/bool constant");
+ }
+
+ this->result = st_src_reg(file, -1, ir->type);
+ this->result.index = add_constant(file,
+ values,
+ ir->type->vector_elements,
+ gl_type,
+ &this->result.swizzle);
+}
+
+function_entry *
+glsl_to_tgsi_visitor::get_function_signature(ir_function_signature *sig)
+{
+ function_entry *entry;
+
+ foreach_iter(exec_list_iterator, iter, this->function_signatures) {
+ entry = (function_entry *)iter.get();
+
+ if (entry->sig == sig)
+ return entry;
+ }
+
+ entry = ralloc(mem_ctx, function_entry);
+ entry->sig = sig;
+ entry->sig_id = this->next_signature_id++;
+ entry->bgn_inst = NULL;
+
+ /* Allocate storage for all the parameters. */
+ foreach_iter(exec_list_iterator, iter, sig->parameters) {
+ ir_variable *param = (ir_variable *)iter.get();
+ variable_storage *storage;
+
+ storage = find_variable_storage(param);
+ assert(!storage);
+
+ storage = new(mem_ctx) variable_storage(param, PROGRAM_TEMPORARY,
+ this->next_temp);
+ this->variables.push_tail(storage);
+
+ this->next_temp += type_size(param->type);
+ }
+
+ if (!sig->return_type->is_void()) {
+ entry->return_reg = get_temp(sig->return_type);
+ } else {
+ entry->return_reg = undef_src;
+ }
+
+ this->function_signatures.push_tail(entry);
+ return entry;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_call *ir)
+{
+ glsl_to_tgsi_instruction *call_inst;
+ ir_function_signature *sig = ir->get_callee();
+ function_entry *entry = get_function_signature(sig);
+ int i;
+
+ /* Process in parameters. */
+ exec_list_iterator sig_iter = sig->parameters.iterator();
+ foreach_iter(exec_list_iterator, iter, *ir) {
+ ir_rvalue *param_rval = (ir_rvalue *)iter.get();
+ ir_variable *param = (ir_variable *)sig_iter.get();
+
+ if (param->mode == ir_var_in ||
+ param->mode == ir_var_inout) {
+ variable_storage *storage = find_variable_storage(param);
+ assert(storage);
+
+ param_rval->accept(this);
+ st_src_reg r = this->result;
+
+ st_dst_reg l;
+ l.file = storage->file;
+ l.index = storage->index;
+ l.reladdr = NULL;
+ l.writemask = WRITEMASK_XYZW;
+ l.cond_mask = COND_TR;
+
+ for (i = 0; i < type_size(param->type); i++) {
+ emit(ir, TGSI_OPCODE_MOV, l, r);
+ l.index++;
+ r.index++;
+ }
+ }
+
+ sig_iter.next();
+ }
+ assert(!sig_iter.has_next());
+
+ /* Emit call instruction */
+ call_inst = emit(ir, TGSI_OPCODE_CAL);
+ call_inst->function = entry;
+
+ /* Process out parameters. */
+ sig_iter = sig->parameters.iterator();
+ foreach_iter(exec_list_iterator, iter, *ir) {
+ ir_rvalue *param_rval = (ir_rvalue *)iter.get();
+ ir_variable *param = (ir_variable *)sig_iter.get();
+
+ if (param->mode == ir_var_out ||
+ param->mode == ir_var_inout) {
+ variable_storage *storage = find_variable_storage(param);
+ assert(storage);
+
+ st_src_reg r;
+ r.file = storage->file;
+ r.index = storage->index;
+ r.reladdr = NULL;
+ r.swizzle = SWIZZLE_NOOP;
+ r.negate = 0;
+
+ param_rval->accept(this);
+ st_dst_reg l = st_dst_reg(this->result);
+
+ for (i = 0; i < type_size(param->type); i++) {
+ emit(ir, TGSI_OPCODE_MOV, l, r);
+ l.index++;
+ r.index++;
+ }
+ }
+
+ sig_iter.next();
+ }
+ assert(!sig_iter.has_next());
+
+ /* Process return value. */
+ this->result = entry->return_reg;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_texture *ir)
+{
+ st_src_reg result_src, coord, lod_info, projector, dx, dy;
+ st_dst_reg result_dst, coord_dst;
+ glsl_to_tgsi_instruction *inst = NULL;
+ unsigned opcode = TGSI_OPCODE_NOP;
+
+ ir->coordinate->accept(this);
+
+ /* Put our coords in a temp. We'll need to modify them for shadow,
+ * projection, or LOD, so the only case we'd use it as is is if
+ * we're doing plain old texturing. The optimization passes on
+ * glsl_to_tgsi_visitor should handle cleaning up our mess in that case.
+ */
+ coord = get_temp(glsl_type::vec4_type);
+ coord_dst = st_dst_reg(coord);
+ emit(ir, TGSI_OPCODE_MOV, coord_dst, this->result);
+
+ if (ir->projector) {
+ ir->projector->accept(this);
+ projector = this->result;
+ }
+
+ /* Storage for our result. Ideally for an assignment we'd be using
+ * the actual storage for the result here, instead.
+ */
+ result_src = get_temp(glsl_type::vec4_type);
+ result_dst = st_dst_reg(result_src);
+
+ switch (ir->op) {
+ case ir_tex:
+ opcode = TGSI_OPCODE_TEX;
+ break;
+ case ir_txb:
+ opcode = TGSI_OPCODE_TXB;
+ ir->lod_info.bias->accept(this);
+ lod_info = this->result;
+ break;
+ case ir_txl:
+ opcode = TGSI_OPCODE_TXL;
+ ir->lod_info.lod->accept(this);
+ lod_info = this->result;
+ break;
+ case ir_txd:
+ opcode = TGSI_OPCODE_TXD;
+ ir->lod_info.grad.dPdx->accept(this);
+ dx = this->result;
+ ir->lod_info.grad.dPdy->accept(this);
+ dy = this->result;
+ break;
+ case ir_txf: /* TODO: use TGSI_OPCODE_TXF here */
+ assert(!"GLSL 1.30 features unsupported");
+ break;
+ }
+
+ if (ir->projector) {
+ if (opcode == TGSI_OPCODE_TEX) {
+ /* Slot the projector in as the last component of the coord. */
+ coord_dst.writemask = WRITEMASK_W;
+ emit(ir, TGSI_OPCODE_MOV, coord_dst, projector);
+ coord_dst.writemask = WRITEMASK_XYZW;
+ opcode = TGSI_OPCODE_TXP;
+ } else {
+ st_src_reg coord_w = coord;
+ coord_w.swizzle = SWIZZLE_WWWW;
+
+ /* For the other TEX opcodes there's no projective version
+ * since the last slot is taken up by LOD info. Do the
+ * projective divide now.
+ */
+ coord_dst.writemask = WRITEMASK_W;
+ emit(ir, TGSI_OPCODE_RCP, coord_dst, projector);
+
+ /* In the case where we have to project the coordinates "by hand,"
+ * the shadow comparator value must also be projected.
+ */
+ st_src_reg tmp_src = coord;
+ if (ir->shadow_comparitor) {
+ /* Slot the shadow value in as the second to last component of the
+ * coord.
+ */
+ ir->shadow_comparitor->accept(this);
+
+ tmp_src = get_temp(glsl_type::vec4_type);
+ st_dst_reg tmp_dst = st_dst_reg(tmp_src);
+
+ tmp_dst.writemask = WRITEMASK_Z;
+ emit(ir, TGSI_OPCODE_MOV, tmp_dst, this->result);
+
+ tmp_dst.writemask = WRITEMASK_XY;
+ emit(ir, TGSI_OPCODE_MOV, tmp_dst, coord);
+ }
+
+ coord_dst.writemask = WRITEMASK_XYZ;
+ emit(ir, TGSI_OPCODE_MUL, coord_dst, tmp_src, coord_w);
+
+ coord_dst.writemask = WRITEMASK_XYZW;
+ coord.swizzle = SWIZZLE_XYZW;
+ }
+ }
+
+ /* If projection is done and the opcode is not TGSI_OPCODE_TXP, then the shadow
+ * comparator was put in the correct place (and projected) by the code,
+ * above, that handles by-hand projection.
+ */
+ if (ir->shadow_comparitor && (!ir->projector || opcode == TGSI_OPCODE_TXP)) {
+ /* Slot the shadow value in as the second to last component of the
+ * coord.
+ */
+ ir->shadow_comparitor->accept(this);
+ coord_dst.writemask = WRITEMASK_Z;
+ emit(ir, TGSI_OPCODE_MOV, coord_dst, this->result);
+ coord_dst.writemask = WRITEMASK_XYZW;
+ }
+
+ if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXB) {
+ /* TGSI stores LOD or LOD bias in the last channel of the coords. */
+ coord_dst.writemask = WRITEMASK_W;
+ emit(ir, TGSI_OPCODE_MOV, coord_dst, lod_info);
+ coord_dst.writemask = WRITEMASK_XYZW;
+ }
+
+ if (opcode == TGSI_OPCODE_TXD)
+ inst = emit(ir, opcode, result_dst, coord, dx, dy);
+ else
+ inst = emit(ir, opcode, result_dst, coord);
+
+ if (ir->shadow_comparitor)
+ inst->tex_shadow = GL_TRUE;
+
+ inst->sampler = _mesa_get_sampler_uniform_value(ir->sampler,
+ this->shader_program,
+ this->prog);
+
+ const glsl_type *sampler_type = ir->sampler->type;
+
+ switch (sampler_type->sampler_dimensionality) {
+ case GLSL_SAMPLER_DIM_1D:
+ inst->tex_target = (sampler_type->sampler_array)
+ ? TEXTURE_1D_ARRAY_INDEX : TEXTURE_1D_INDEX;
+ break;
+ case GLSL_SAMPLER_DIM_2D:
+ inst->tex_target = (sampler_type->sampler_array)
+ ? TEXTURE_2D_ARRAY_INDEX : TEXTURE_2D_INDEX;
+ break;
+ case GLSL_SAMPLER_DIM_3D:
+ inst->tex_target = TEXTURE_3D_INDEX;
+ break;
+ case GLSL_SAMPLER_DIM_CUBE:
+ inst->tex_target = TEXTURE_CUBE_INDEX;
+ break;
+ case GLSL_SAMPLER_DIM_RECT:
+ inst->tex_target = TEXTURE_RECT_INDEX;
+ break;
+ case GLSL_SAMPLER_DIM_BUF:
+ assert(!"FINISHME: Implement ARB_texture_buffer_object");
+ break;
+ default:
+ assert(!"Should not get here.");
+ }
+
+ this->result = result_src;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_return *ir)
+{
+ if (ir->get_value()) {
+ st_dst_reg l;
+ int i;
+
+ assert(current_function);
+
+ ir->get_value()->accept(this);
+ st_src_reg r = this->result;
+
+ l = st_dst_reg(current_function->return_reg);
+
+ for (i = 0; i < type_size(current_function->sig->return_type); i++) {
+ emit(ir, TGSI_OPCODE_MOV, l, r);
+ l.index++;
+ r.index++;
+ }
+ }
+
+ emit(ir, TGSI_OPCODE_RET);
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_discard *ir)
+{
+ struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
+
+ if (ir->condition) {
+ ir->condition->accept(this);
+ this->result.negate = ~this->result.negate;
+ emit(ir, TGSI_OPCODE_KIL, undef_dst, this->result);
+ } else {
+ emit(ir, TGSI_OPCODE_KILP);
+ }
+
+ fp->UsesKill = GL_TRUE;
+}
+
+void
+glsl_to_tgsi_visitor::visit(ir_if *ir)
+{
+ glsl_to_tgsi_instruction *cond_inst, *if_inst;
+ glsl_to_tgsi_instruction *prev_inst;
+
+ prev_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
+
+ ir->condition->accept(this);
+ assert(this->result.file != PROGRAM_UNDEFINED);
+
+ if (this->options->EmitCondCodes) {
+ cond_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
+
+ /* See if we actually generated any instruction for generating
+ * the condition. If not, then cook up a move to a temp so we
+ * have something to set cond_update on.
+ */
+ if (cond_inst == prev_inst) {
+ st_src_reg temp = get_temp(glsl_type::bool_type);
+ cond_inst = emit(ir->condition, TGSI_OPCODE_MOV, st_dst_reg(temp), result);
+ }
+ cond_inst->cond_update = GL_TRUE;
+
+ if_inst = emit(ir->condition, TGSI_OPCODE_IF);
+ if_inst->dst.cond_mask = COND_NE;
+ } else {
+ if_inst = emit(ir->condition, TGSI_OPCODE_IF, undef_dst, this->result);
+ }
+
+ this->instructions.push_tail(if_inst);
+
+ visit_exec_list(&ir->then_instructions, this);
+
+ if (!ir->else_instructions.is_empty()) {
+ emit(ir->condition, TGSI_OPCODE_ELSE);
+ visit_exec_list(&ir->else_instructions, this);
+ }
+
+ if_inst = emit(ir->condition, TGSI_OPCODE_ENDIF);
+}
+
+glsl_to_tgsi_visitor::glsl_to_tgsi_visitor()
+{
+ result.file = PROGRAM_UNDEFINED;
+ next_temp = 1;
+ next_signature_id = 1;
+ num_immediates = 0;
+ current_function = NULL;
+ num_address_regs = 0;
+ indirect_addr_temps = false;
+ indirect_addr_consts = false;
+ mem_ctx = ralloc_context(NULL);
+}
+
+glsl_to_tgsi_visitor::~glsl_to_tgsi_visitor()
+{
+ ralloc_free(mem_ctx);
+}
+
+extern "C" void free_glsl_to_tgsi_visitor(glsl_to_tgsi_visitor *v)
+{
+ delete v;
+}
+
+
+/**
+ * Count resources used by the given gpu program (number of texture
+ * samplers, etc).
+ */
+static void
+count_resources(glsl_to_tgsi_visitor *v, gl_program *prog)
+{
+ v->samplers_used = 0;
+
+ foreach_iter(exec_list_iterator, iter, v->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ if (is_tex_instruction(inst->op)) {
+ v->samplers_used |= 1 << inst->sampler;
+
+ prog->SamplerTargets[inst->sampler] =
+ (gl_texture_index)inst->tex_target;
+ if (inst->tex_shadow) {
+ prog->ShadowSamplers |= 1 << inst->sampler;
+ }
+ }
+ }
+
+ prog->SamplersUsed = v->samplers_used;
+ _mesa_update_shader_textures_used(prog);
+}
+
+
+/**
+ * Check if the given vertex/fragment/shader program is within the
+ * resource limits of the context (number of texture units, etc).
+ * If any of those checks fail, record a linker error.
+ *
+ * XXX more checks are needed...
+ */
+static void
+check_resources(const struct gl_context *ctx,
+ struct gl_shader_program *shader_program,
+ glsl_to_tgsi_visitor *prog,
+ struct gl_program *proginfo)
+{
+ switch (proginfo->Target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ if (_mesa_bitcount(prog->samplers_used) >
+ ctx->Const.MaxVertexTextureImageUnits) {
+ fail_link(shader_program, "Too many vertex shader texture samplers");
+ }
+ if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
+ fail_link(shader_program, "Too many vertex shader constants");
+ }
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ if (_mesa_bitcount(prog->samplers_used) >
+ ctx->Const.MaxGeometryTextureImageUnits) {
+ fail_link(shader_program, "Too many geometry shader texture samplers");
+ }
+ if (proginfo->Parameters->NumParameters >
+ MAX_GEOMETRY_UNIFORM_COMPONENTS / 4) {
+ fail_link(shader_program, "Too many geometry shader constants");
+ }
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ if (_mesa_bitcount(prog->samplers_used) >
+ ctx->Const.MaxTextureImageUnits) {
+ fail_link(shader_program, "Too many fragment shader texture samplers");
+ }
+ if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
+ fail_link(shader_program, "Too many fragment shader constants");
+ }
+ break;
+ default:
+ _mesa_problem(ctx, "unexpected program type in check_resources()");
+ }
+}
+
+
+
+struct uniform_sort {
+ struct gl_uniform *u;
+ int pos;
+};
+
+/* The shader_program->Uniforms list is almost sorted in increasing
+ * uniform->{Frag,Vert}Pos locations, but not quite when there are
+ * uniforms shared between targets. We need to add parameters in
+ * increasing order for the targets.
+ */
+static int
+sort_uniforms(const void *a, const void *b)
+{
+ struct uniform_sort *u1 = (struct uniform_sort *)a;
+ struct uniform_sort *u2 = (struct uniform_sort *)b;
+
+ return u1->pos - u2->pos;
+}
+
+/* Add the uniforms to the parameters. The linker chose locations
+ * in our parameters lists (which weren't created yet), which the
+ * uniforms code will use to poke values into our parameters list
+ * when uniforms are updated.
+ */
+static void
+add_uniforms_to_parameters_list(struct gl_shader_program *shader_program,
+ struct gl_shader *shader,
+ struct gl_program *prog)
+{
+ unsigned int i;
+ unsigned int next_sampler = 0, num_uniforms = 0;
+ struct uniform_sort *sorted_uniforms;
+
+ sorted_uniforms = ralloc_array(NULL, struct uniform_sort,
+ shader_program->Uniforms->NumUniforms);
+
+ for (i = 0; i < shader_program->Uniforms->NumUniforms; i++) {
+ struct gl_uniform *uniform = shader_program->Uniforms->Uniforms + i;
+ int parameter_index = -1;
+
+ switch (shader->Type) {
+ case GL_VERTEX_SHADER:
+ parameter_index = uniform->VertPos;
+ break;
+ case GL_FRAGMENT_SHADER:
+ parameter_index = uniform->FragPos;
+ break;
+ case GL_GEOMETRY_SHADER:
+ parameter_index = uniform->GeomPos;
+ break;
+ }
+
+ /* Only add uniforms used in our target. */
+ if (parameter_index != -1) {
+ sorted_uniforms[num_uniforms].pos = parameter_index;
+ sorted_uniforms[num_uniforms].u = uniform;
+ num_uniforms++;
+ }
+ }
+
+ qsort(sorted_uniforms, num_uniforms, sizeof(struct uniform_sort),
+ sort_uniforms);
+
+ for (i = 0; i < num_uniforms; i++) {
+ struct gl_uniform *uniform = sorted_uniforms[i].u;
+ int parameter_index = sorted_uniforms[i].pos;
+ const glsl_type *type = uniform->Type;
+ unsigned int size;
+
+ if (type->is_vector() ||
+ type->is_scalar()) {
+ size = type->vector_elements;
+ } else {
+ size = type_size(type) * 4;
+ }
+
+ gl_register_file file;
+ if (type->is_sampler() ||
+ (type->is_array() && type->fields.array->is_sampler())) {
+ file = PROGRAM_SAMPLER;
+ } else {
+ file = PROGRAM_UNIFORM;
+ }
+
+ GLint index = _mesa_lookup_parameter_index(prog->Parameters, -1,
+ uniform->Name);
+
+ if (index < 0) {
+ index = _mesa_add_parameter(prog->Parameters, file,
+ uniform->Name, size, type->gl_type,
+ NULL, NULL, 0x0);
+
+ /* Sampler uniform values are stored in prog->SamplerUnits,
+ * and the entry in that array is selected by this index we
+ * store in ParameterValues[].
+ */
+ if (file == PROGRAM_SAMPLER) {
+ for (unsigned int j = 0; j < size / 4; j++)
+ prog->Parameters->ParameterValues[index + j][0].f = next_sampler++;
+ }
+
+ /* The location chosen in the Parameters list here (returned
+ * from _mesa_add_uniform) has to match what the linker chose.
+ */
+ if (index != parameter_index) {
+ fail_link(shader_program, "Allocation of uniform `%s' to target "
+ "failed (%d vs %d)\n",
+ uniform->Name, index, parameter_index);
+ }
+ }
+ }
+
+ ralloc_free(sorted_uniforms);
+}
+
+static void
+set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
+ struct gl_shader_program *shader_program,
+ const char *name, const glsl_type *type,
+ ir_constant *val)
+{
+ if (type->is_record()) {
+ ir_constant *field_constant;
+
+ field_constant = (ir_constant *)val->components.get_head();
+
+ for (unsigned int i = 0; i < type->length; i++) {
+ const glsl_type *field_type = type->fields.structure[i].type;
+ const char *field_name = ralloc_asprintf(mem_ctx, "%s.%s", name,
+ type->fields.structure[i].name);
+ set_uniform_initializer(ctx, mem_ctx, shader_program, field_name,
+ field_type, field_constant);
+ field_constant = (ir_constant *)field_constant->next;
+ }
+ return;
+ }
+
+ int loc = _mesa_get_uniform_location(ctx, shader_program, name);
+
+ if (loc == -1) {
+ fail_link(shader_program,
+ "Couldn't find uniform for initializer %s\n", name);
+ return;
+ }
+
+ for (unsigned int i = 0; i < (type->is_array() ? type->length : 1); i++) {
+ ir_constant *element;
+ const glsl_type *element_type;
+ if (type->is_array()) {
+ element = val->array_elements[i];
+ element_type = type->fields.array;
+ } else {
+ element = val;
+ element_type = type;
+ }
+
+ void *values;
+
+ if (element_type->base_type == GLSL_TYPE_BOOL) {
+ int *conv = ralloc_array(mem_ctx, int, element_type->components());
+ for (unsigned int j = 0; j < element_type->components(); j++) {
+ conv[j] = element->value.b[j];
+ }
+ values = (void *)conv;
+ element_type = glsl_type::get_instance(GLSL_TYPE_INT,
+ element_type->vector_elements,
+ 1);
+ } else {
+ values = &element->value;
+ }
+
+ if (element_type->is_matrix()) {
+ _mesa_uniform_matrix(ctx, shader_program,
+ element_type->matrix_columns,
+ element_type->vector_elements,
+ loc, 1, GL_FALSE, (GLfloat *)values);
+ loc += element_type->matrix_columns;
+ } else {
+ _mesa_uniform(ctx, shader_program, loc, element_type->matrix_columns,
+ values, element_type->gl_type);
+ loc += type_size(element_type);
+ }
+ }
+}
+
+static void
+set_uniform_initializers(struct gl_context *ctx,
+ struct gl_shader_program *shader_program)
+{
+ void *mem_ctx = NULL;
+
+ for (unsigned int i = 0; i < MESA_SHADER_TYPES; i++) {
+ struct gl_shader *shader = shader_program->_LinkedShaders[i];
+
+ if (shader == NULL)
+ continue;
+
+ foreach_iter(exec_list_iterator, iter, *shader->ir) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ ir_variable *var = ir->as_variable();
+
+ if (!var || var->mode != ir_var_uniform || !var->constant_value)
+ continue;
+
+ if (!mem_ctx)
+ mem_ctx = ralloc_context(NULL);
+
+ set_uniform_initializer(ctx, mem_ctx, shader_program, var->name,
+ var->type, var->constant_value);
+ }
+ }
+
+ ralloc_free(mem_ctx);
+}
+
+/*
+ * Scan/rewrite program to remove reads of custom (output) registers.
+ * The passed type has to be either PROGRAM_OUTPUT or PROGRAM_VARYING
+ * (for vertex shaders).
+ * In GLSL shaders, varying vars can be read and written.
+ * On some hardware, trying to read an output register causes trouble.
+ * So, rewrite the program to use a temporary register in this case.
+ *
+ * Based on _mesa_remove_output_reads from programopt.c.
+ */
+void
+glsl_to_tgsi_visitor::remove_output_reads(gl_register_file type)
+{
+ GLuint i;
+ GLint outputMap[VERT_RESULT_MAX];
+ GLint outputTypes[VERT_RESULT_MAX];
+ GLuint numVaryingReads = 0;
+ GLboolean usedTemps[MAX_TEMPS];
+ GLuint firstTemp = 0;
+
+ _mesa_find_used_registers(prog, PROGRAM_TEMPORARY,
+ usedTemps, MAX_TEMPS);
+
+ assert(type == PROGRAM_VARYING || type == PROGRAM_OUTPUT);
+ assert(prog->Target == GL_VERTEX_PROGRAM_ARB || type != PROGRAM_VARYING);
+
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ outputMap[i] = -1;
+
+ /* look for instructions which read from varying vars */
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ const GLuint numSrc = num_inst_src_regs(inst->op);
+ GLuint j;
+ for (j = 0; j < numSrc; j++) {
+ if (inst->src[j].file == type) {
+ /* replace the read with a temp reg */
+ const GLuint var = inst->src[j].index;
+ if (outputMap[var] == -1) {
+ numVaryingReads++;
+ outputMap[var] = _mesa_find_free_register(usedTemps,
+ MAX_TEMPS,
+ firstTemp);
+ outputTypes[var] = inst->src[j].type;
+ firstTemp = outputMap[var] + 1;
+ }
+ inst->src[j].file = PROGRAM_TEMPORARY;
+ inst->src[j].index = outputMap[var];
+ }
+ }
+ }
+
+ if (numVaryingReads == 0)
+ return; /* nothing to be done */
+
+ /* look for instructions which write to the varying vars identified above */
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ if (inst->dst.file == type && outputMap[inst->dst.index] >= 0) {
+ /* change inst to write to the temp reg, instead of the varying */
+ inst->dst.file = PROGRAM_TEMPORARY;
+ inst->dst.index = outputMap[inst->dst.index];
+ }
+ }
+
+ /* insert new MOV instructions at the end */
+ for (i = 0; i < VERT_RESULT_MAX; i++) {
+ if (outputMap[i] >= 0) {
+ /* MOV VAR[i], TEMP[tmp]; */
+ st_src_reg src = st_src_reg(PROGRAM_TEMPORARY, outputMap[i], outputTypes[i]);
+ st_dst_reg dst = st_dst_reg(type, WRITEMASK_XYZW, outputTypes[i]);
+ dst.index = i;
+ this->emit(NULL, TGSI_OPCODE_MOV, dst, src);
+ }
+ }
+}
+
+/**
+ * Returns the mask of channels (bitmask of WRITEMASK_X,Y,Z,W) which
+ * are read from the given src in this instruction
+ */
+static int
+get_src_arg_mask(st_dst_reg dst, st_src_reg src)
+{
+ int read_mask = 0, comp;
+
+ /* Now, given the src swizzle and the written channels, find which
+ * components are actually read
+ */
+ for (comp = 0; comp < 4; ++comp) {
+ const unsigned coord = GET_SWZ(src.swizzle, comp);
+ ASSERT(coord < 4);
+ if (dst.writemask & (1 << comp) && coord <= SWIZZLE_W)
+ read_mask |= 1 << coord;
+ }
+
+ return read_mask;
+}
+
+/**
+ * This pass replaces CMP T0, T1 T2 T0 with MOV T0, T2 when the CMP
+ * instruction is the first instruction to write to register T0. There are
+ * several lowering passes done in GLSL IR (e.g. branches and
+ * relative addressing) that create a large number of conditional assignments
+ * that ir_to_mesa converts to CMP instructions like the one mentioned above.
+ *
+ * Here is why this conversion is safe:
+ * CMP T0, T1 T2 T0 can be expanded to:
+ * if (T1 < 0.0)
+ * MOV T0, T2;
+ * else
+ * MOV T0, T0;
+ *
+ * If (T1 < 0.0) evaluates to true then our replacement MOV T0, T2 is the same
+ * as the original program. If (T1 < 0.0) evaluates to false, executing
+ * MOV T0, T0 will store a garbage value in T0 since T0 is uninitialized.
+ * Therefore, it doesn't matter that we are replacing MOV T0, T0 with MOV T0, T2
+ * because any instruction that was going to read from T0 after this was going
+ * to read a garbage value anyway.
+ */
+void
+glsl_to_tgsi_visitor::simplify_cmp(void)
+{
+ unsigned tempWrites[MAX_TEMPS];
+ unsigned outputWrites[MAX_PROGRAM_OUTPUTS];
+
+ memset(tempWrites, 0, sizeof(tempWrites));
+ memset(outputWrites, 0, sizeof(outputWrites));
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ unsigned prevWriteMask = 0;
+
+ /* Give up if we encounter relative addressing or flow control. */
+ if (inst->dst.reladdr ||
+ tgsi_get_opcode_info(inst->op)->is_branch ||
+ inst->op == TGSI_OPCODE_BGNSUB ||
+ inst->op == TGSI_OPCODE_CONT ||
+ inst->op == TGSI_OPCODE_END ||
+ inst->op == TGSI_OPCODE_ENDSUB ||
+ inst->op == TGSI_OPCODE_RET) {
+ return;
+ }
+
+ if (inst->dst.file == PROGRAM_OUTPUT) {
+ assert(inst->dst.index < MAX_PROGRAM_OUTPUTS);
+ prevWriteMask = outputWrites[inst->dst.index];
+ outputWrites[inst->dst.index] |= inst->dst.writemask;
+ } else if (inst->dst.file == PROGRAM_TEMPORARY) {
+ assert(inst->dst.index < MAX_TEMPS);
+ prevWriteMask = tempWrites[inst->dst.index];
+ tempWrites[inst->dst.index] |= inst->dst.writemask;
+ }
+
+ /* For a CMP to be considered a conditional write, the destination
+ * register and source register two must be the same. */
+ if (inst->op == TGSI_OPCODE_CMP
+ && !(inst->dst.writemask & prevWriteMask)
+ && inst->src[2].file == inst->dst.file
+ && inst->src[2].index == inst->dst.index
+ && inst->dst.writemask == get_src_arg_mask(inst->dst, inst->src[2])) {
+
+ inst->op = TGSI_OPCODE_MOV;
+ inst->src[0] = inst->src[1];
+ }
+ }
+}
+
+/* Replaces all references to a temporary register index with another index. */
+void
+glsl_to_tgsi_visitor::rename_temp_register(int index, int new_index)
+{
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ unsigned j;
+
+ for (j=0; j < num_inst_src_regs(inst->op); j++) {
+ if (inst->src[j].file == PROGRAM_TEMPORARY &&
+ inst->src[j].index == index) {
+ inst->src[j].index = new_index;
+ }
+ }
+
+ if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) {
+ inst->dst.index = new_index;
+ }
+ }
+}
+
+int
+glsl_to_tgsi_visitor::get_first_temp_read(int index)
+{
+ int depth = 0; /* loop depth */
+ int loop_start = -1; /* index of the first active BGNLOOP (if any) */
+ unsigned i = 0, j;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ for (j=0; j < num_inst_src_regs(inst->op); j++) {
+ if (inst->src[j].file == PROGRAM_TEMPORARY &&
+ inst->src[j].index == index) {
+ return (depth == 0) ? i : loop_start;
+ }
+ }
+
+ if (inst->op == TGSI_OPCODE_BGNLOOP) {
+ if(depth++ == 0)
+ loop_start = i;
+ } else if (inst->op == TGSI_OPCODE_ENDLOOP) {
+ if (--depth == 0)
+ loop_start = -1;
+ }
+ assert(depth >= 0);
+
+ i++;
+ }
+
+ return -1;
+}
+
+int
+glsl_to_tgsi_visitor::get_first_temp_write(int index)
+{
+ int depth = 0; /* loop depth */
+ int loop_start = -1; /* index of the first active BGNLOOP (if any) */
+ int i = 0;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) {
+ return (depth == 0) ? i : loop_start;
+ }
+
+ if (inst->op == TGSI_OPCODE_BGNLOOP) {
+ if(depth++ == 0)
+ loop_start = i;
+ } else if (inst->op == TGSI_OPCODE_ENDLOOP) {
+ if (--depth == 0)
+ loop_start = -1;
+ }
+ assert(depth >= 0);
+
+ i++;
+ }
+
+ return -1;
+}
+
+int
+glsl_to_tgsi_visitor::get_last_temp_read(int index)
+{
+ int depth = 0; /* loop depth */
+ int last = -1; /* index of last instruction that reads the temporary */
+ unsigned i = 0, j;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ for (j=0; j < num_inst_src_regs(inst->op); j++) {
+ if (inst->src[j].file == PROGRAM_TEMPORARY &&
+ inst->src[j].index == index) {
+ last = (depth == 0) ? i : -2;
+ }
+ }
+
+ if (inst->op == TGSI_OPCODE_BGNLOOP)
+ depth++;
+ else if (inst->op == TGSI_OPCODE_ENDLOOP)
+ if (--depth == 0 && last == -2)
+ last = i;
+ assert(depth >= 0);
+
+ i++;
+ }
+
+ assert(last >= -1);
+ return last;
+}
+
+int
+glsl_to_tgsi_visitor::get_last_temp_write(int index)
+{
+ int depth = 0; /* loop depth */
+ int last = -1; /* index of last instruction that writes to the temporary */
+ int i = 0;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index)
+ last = (depth == 0) ? i : -2;
+
+ if (inst->op == TGSI_OPCODE_BGNLOOP)
+ depth++;
+ else if (inst->op == TGSI_OPCODE_ENDLOOP)
+ if (--depth == 0 && last == -2)
+ last = i;
+ assert(depth >= 0);
+
+ i++;
+ }
+
+ assert(last >= -1);
+ return last;
+}
+
+/*
+ * On a basic block basis, tracks available PROGRAM_TEMPORARY register
+ * channels for copy propagation and updates following instructions to
+ * use the original versions.
+ *
+ * The glsl_to_tgsi_visitor lazily produces code assuming that this pass
+ * will occur. As an example, a TXP production before this pass:
+ *
+ * 0: MOV TEMP[1], INPUT[4].xyyy;
+ * 1: MOV TEMP[1].w, INPUT[4].wwww;
+ * 2: TXP TEMP[2], TEMP[1], texture[0], 2D;
+ *
+ * and after:
+ *
+ * 0: MOV TEMP[1], INPUT[4].xyyy;
+ * 1: MOV TEMP[1].w, INPUT[4].wwww;
+ * 2: TXP TEMP[2], INPUT[4].xyyw, texture[0], 2D;
+ *
+ * which allows for dead code elimination on TEMP[1]'s writes.
+ */
+void
+glsl_to_tgsi_visitor::copy_propagate(void)
+{
+ glsl_to_tgsi_instruction **acp = rzalloc_array(mem_ctx,
+ glsl_to_tgsi_instruction *,
+ this->next_temp * 4);
+ int *acp_level = rzalloc_array(mem_ctx, int, this->next_temp * 4);
+ int level = 0;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ assert(inst->dst.file != PROGRAM_TEMPORARY
+ || inst->dst.index < this->next_temp);
+
+ /* First, do any copy propagation possible into the src regs. */
+ for (int r = 0; r < 3; r++) {
+ glsl_to_tgsi_instruction *first = NULL;
+ bool good = true;
+ int acp_base = inst->src[r].index * 4;
+
+ if (inst->src[r].file != PROGRAM_TEMPORARY ||
+ inst->src[r].reladdr)
+ continue;
+
+ /* See if we can find entries in the ACP consisting of MOVs
+ * from the same src register for all the swizzled channels
+ * of this src register reference.
+ */
+ for (int i = 0; i < 4; i++) {
+ int src_chan = GET_SWZ(inst->src[r].swizzle, i);
+ glsl_to_tgsi_instruction *copy_chan = acp[acp_base + src_chan];
+
+ if (!copy_chan) {
+ good = false;
+ break;
+ }
+
+ assert(acp_level[acp_base + src_chan] <= level);
+
+ if (!first) {
+ first = copy_chan;
+ } else {
+ if (first->src[0].file != copy_chan->src[0].file ||
+ first->src[0].index != copy_chan->src[0].index) {
+ good = false;
+ break;
+ }
+ }
+ }
+
+ if (good) {
+ /* We've now validated that we can copy-propagate to
+ * replace this src register reference. Do it.
+ */
+ inst->src[r].file = first->src[0].file;
+ inst->src[r].index = first->src[0].index;
+
+ int swizzle = 0;
+ for (int i = 0; i < 4; i++) {
+ int src_chan = GET_SWZ(inst->src[r].swizzle, i);
+ glsl_to_tgsi_instruction *copy_inst = acp[acp_base + src_chan];
+ swizzle |= (GET_SWZ(copy_inst->src[0].swizzle, src_chan) <<
+ (3 * i));
+ }
+ inst->src[r].swizzle = swizzle;
+ }
+ }
+
+ switch (inst->op) {
+ case TGSI_OPCODE_BGNLOOP:
+ case TGSI_OPCODE_ENDLOOP:
+ /* End of a basic block, clear the ACP entirely. */
+ memset(acp, 0, sizeof(*acp) * this->next_temp * 4);
+ break;
+
+ case TGSI_OPCODE_IF:
+ ++level;
+ break;
+
+ case TGSI_OPCODE_ENDIF:
+ case TGSI_OPCODE_ELSE:
+ /* Clear all channels written inside the block from the ACP, but
+ * leaving those that were not touched.
+ */
+ for (int r = 0; r < this->next_temp; r++) {
+ for (int c = 0; c < 4; c++) {
+ if (!acp[4 * r + c])
+ continue;
+
+ if (acp_level[4 * r + c] >= level)
+ acp[4 * r + c] = NULL;
+ }
+ }
+ if (inst->op == TGSI_OPCODE_ENDIF)
+ --level;
+ break;
+
+ default:
+ /* Continuing the block, clear any written channels from
+ * the ACP.
+ */
+ if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.reladdr) {
+ /* Any temporary might be written, so no copy propagation
+ * across this instruction.
+ */
+ memset(acp, 0, sizeof(*acp) * this->next_temp * 4);
+ } else if (inst->dst.file == PROGRAM_OUTPUT &&
+ inst->dst.reladdr) {
+ /* Any output might be written, so no copy propagation
+ * from outputs across this instruction.
+ */
+ for (int r = 0; r < this->next_temp; r++) {
+ for (int c = 0; c < 4; c++) {
+ if (!acp[4 * r + c])
+ continue;
+
+ if (acp[4 * r + c]->src[0].file == PROGRAM_OUTPUT)
+ acp[4 * r + c] = NULL;
+ }
+ }
+ } else if (inst->dst.file == PROGRAM_TEMPORARY ||
+ inst->dst.file == PROGRAM_OUTPUT) {
+ /* Clear where it's used as dst. */
+ if (inst->dst.file == PROGRAM_TEMPORARY) {
+ for (int c = 0; c < 4; c++) {
+ if (inst->dst.writemask & (1 << c)) {
+ acp[4 * inst->dst.index + c] = NULL;
+ }
+ }
+ }
+
+ /* Clear where it's used as src. */
+ for (int r = 0; r < this->next_temp; r++) {
+ for (int c = 0; c < 4; c++) {
+ if (!acp[4 * r + c])
+ continue;
+
+ int src_chan = GET_SWZ(acp[4 * r + c]->src[0].swizzle, c);
+
+ if (acp[4 * r + c]->src[0].file == inst->dst.file &&
+ acp[4 * r + c]->src[0].index == inst->dst.index &&
+ inst->dst.writemask & (1 << src_chan))
+ {
+ acp[4 * r + c] = NULL;
+ }
+ }
+ }
+ }
+ break;
+ }
+
+ /* If this is a copy, add it to the ACP. */
+ if (inst->op == TGSI_OPCODE_MOV &&
+ inst->dst.file == PROGRAM_TEMPORARY &&
+ !inst->dst.reladdr &&
+ !inst->saturate &&
+ !inst->src[0].reladdr &&
+ !inst->src[0].negate) {
+ for (int i = 0; i < 4; i++) {
+ if (inst->dst.writemask & (1 << i)) {
+ acp[4 * inst->dst.index + i] = inst;
+ acp_level[4 * inst->dst.index + i] = level;
+ }
+ }
+ }
+ }
+
+ ralloc_free(acp_level);
+ ralloc_free(acp);
+}
+
+/*
+ * Tracks available PROGRAM_TEMPORARY registers for dead code elimination.
+ *
+ * The glsl_to_tgsi_visitor lazily produces code assuming that this pass
+ * will occur. As an example, a TXP production after copy propagation but
+ * before this pass:
+ *
+ * 0: MOV TEMP[1], INPUT[4].xyyy;
+ * 1: MOV TEMP[1].w, INPUT[4].wwww;
+ * 2: TXP TEMP[2], INPUT[4].xyyw, texture[0], 2D;
+ *
+ * and after this pass:
+ *
+ * 0: TXP TEMP[2], INPUT[4].xyyw, texture[0], 2D;
+ *
+ * FIXME: assumes that all functions are inlined (no support for BGNSUB/ENDSUB)
+ * FIXME: doesn't eliminate all dead code inside of loops; it steps around them
+ */
+void
+glsl_to_tgsi_visitor::eliminate_dead_code(void)
+{
+ int i;
+
+ for (i=0; i < this->next_temp; i++) {
+ int last_read = get_last_temp_read(i);
+ int j = 0;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == i &&
+ j > last_read)
+ {
+ iter.remove();
+ delete inst;
+ }
+
+ j++;
+ }
+ }
+}
+
+/*
+ * On a basic block basis, tracks available PROGRAM_TEMPORARY registers for dead
+ * code elimination. This is less primitive than eliminate_dead_code(), as it
+ * is per-channel and can detect consecutive writes without a read between them
+ * as dead code. However, there is some dead code that can be eliminated by
+ * eliminate_dead_code() but not this function - for example, this function
+ * cannot eliminate an instruction writing to a register that is never read and
+ * is the only instruction writing to that register.
+ *
+ * The glsl_to_tgsi_visitor lazily produces code assuming that this pass
+ * will occur.
+ */
+int
+glsl_to_tgsi_visitor::eliminate_dead_code_advanced(void)
+{
+ glsl_to_tgsi_instruction **writes = rzalloc_array(mem_ctx,
+ glsl_to_tgsi_instruction *,
+ this->next_temp * 4);
+ int *write_level = rzalloc_array(mem_ctx, int, this->next_temp * 4);
+ int level = 0;
+ int removed = 0;
+
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ assert(inst->dst.file != PROGRAM_TEMPORARY
+ || inst->dst.index < this->next_temp);
+
+ switch (inst->op) {
+ case TGSI_OPCODE_BGNLOOP:
+ case TGSI_OPCODE_ENDLOOP:
+ /* End of a basic block, clear the write array entirely.
+ * FIXME: This keeps us from killing dead code when the writes are
+ * on either side of a loop, even when the register isn't touched
+ * inside the loop.
+ */
+ memset(writes, 0, sizeof(*writes) * this->next_temp * 4);
+ break;
+
+ case TGSI_OPCODE_ENDIF:
+ --level;
+ break;
+
+ case TGSI_OPCODE_ELSE:
+ /* Clear all channels written inside the preceding if block from the
+ * write array, but leave those that were not touched.
+ *
+ * FIXME: This destroys opportunities to remove dead code inside of
+ * IF blocks that are followed by an ELSE block.
+ */
+ for (int r = 0; r < this->next_temp; r++) {
+ for (int c = 0; c < 4; c++) {
+ if (!writes[4 * r + c])
+ continue;
+
+ if (write_level[4 * r + c] >= level)
+ writes[4 * r + c] = NULL;
+ }
+ }
+ break;
+
+ case TGSI_OPCODE_IF:
+ ++level;
+ /* fallthrough to default case to mark the condition as read */
+
+ default:
+ /* Continuing the block, clear any channels from the write array that
+ * are read by this instruction.
+ */
+ for (int i = 0; i < 4; i++) {
+ if (inst->src[i].file == PROGRAM_TEMPORARY && inst->src[i].reladdr){
+ /* Any temporary might be read, so no dead code elimination
+ * across this instruction.
+ */
+ memset(writes, 0, sizeof(*writes) * this->next_temp * 4);
+ } else if (inst->src[i].file == PROGRAM_TEMPORARY) {
+ /* Clear where it's used as src. */
+ int src_chans = 1 << GET_SWZ(inst->src[i].swizzle, 0);
+ src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 1);
+ src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 2);
+ src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 3);
+
+ for (int c = 0; c < 4; c++) {
+ if (src_chans & (1 << c)) {
+ writes[4 * inst->src[i].index + c] = NULL;
+ }
+ }
+ }
+ }
+ break;
+ }
+
+ /* If this instruction writes to a temporary, add it to the write array.
+ * If there is already an instruction in the write array for one or more
+ * of the channels, flag that channel write as dead.
+ */
+ if (inst->dst.file == PROGRAM_TEMPORARY &&
+ !inst->dst.reladdr &&
+ !inst->saturate) {
+ for (int c = 0; c < 4; c++) {
+ if (inst->dst.writemask & (1 << c)) {
+ if (writes[4 * inst->dst.index + c]) {
+ if (write_level[4 * inst->dst.index + c] < level)
+ continue;
+ else
+ writes[4 * inst->dst.index + c]->dead_mask |= (1 << c);
+ }
+ writes[4 * inst->dst.index + c] = inst;
+ write_level[4 * inst->dst.index + c] = level;
+ }
+ }
+ }
+ }
+
+ /* Anything still in the write array at this point is dead code. */
+ for (int r = 0; r < this->next_temp; r++) {
+ for (int c = 0; c < 4; c++) {
+ glsl_to_tgsi_instruction *inst = writes[4 * r + c];
+ if (inst)
+ inst->dead_mask |= (1 << c);
+ }
+ }
+
+ /* Now actually remove the instructions that are completely dead and update
+ * the writemask of other instructions with dead channels.
+ */
+ foreach_iter(exec_list_iterator, iter, this->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+
+ if (!inst->dead_mask || !inst->dst.writemask)
+ continue;
+ else if (inst->dead_mask == inst->dst.writemask) {
+ iter.remove();
+ delete inst;
+ removed++;
+ } else
+ inst->dst.writemask &= ~(inst->dead_mask);
+ }
+
+ ralloc_free(write_level);
+ ralloc_free(writes);
+
+ return removed;
+}
+
+/* Merges temporary registers together where possible to reduce the number of
+ * registers needed to run a program.
+ *
+ * Produces optimal code only after copy propagation and dead code elimination
+ * have been run. */
+void
+glsl_to_tgsi_visitor::merge_registers(void)
+{
+ int *last_reads = rzalloc_array(mem_ctx, int, this->next_temp);
+ int *first_writes = rzalloc_array(mem_ctx, int, this->next_temp);
+ int i, j;
+
+ /* Read the indices of the last read and first write to each temp register
+ * into an array so that we don't have to traverse the instruction list as
+ * much. */
+ for (i=0; i < this->next_temp; i++) {
+ last_reads[i] = get_last_temp_read(i);
+ first_writes[i] = get_first_temp_write(i);
+ }
+
+ /* Start looking for registers with non-overlapping usages that can be
+ * merged together. */
+ for (i=0; i < this->next_temp; i++) {
+ /* Don't touch unused registers. */
+ if (last_reads[i] < 0 || first_writes[i] < 0) continue;
+
+ for (j=0; j < this->next_temp; j++) {
+ /* Don't touch unused registers. */
+ if (last_reads[j] < 0 || first_writes[j] < 0) continue;
+
+ /* We can merge the two registers if the first write to j is after or
+ * in the same instruction as the last read from i. Note that the
+ * register at index i will always be used earlier or at the same time
+ * as the register at index j. */
+ if (first_writes[i] <= first_writes[j] &&
+ last_reads[i] <= first_writes[j])
+ {
+ rename_temp_register(j, i); /* Replace all references to j with i.*/
+
+ /* Update the first_writes and last_reads arrays with the new
+ * values for the merged register index, and mark the newly unused
+ * register index as such. */
+ last_reads[i] = last_reads[j];
+ first_writes[j] = -1;
+ last_reads[j] = -1;
+ }
+ }
+ }
+
+ ralloc_free(last_reads);
+ ralloc_free(first_writes);
+}
+
+/* Reassign indices to temporary registers by reusing unused indices created
+ * by optimization passes. */
+void
+glsl_to_tgsi_visitor::renumber_registers(void)
+{
+ int i = 0;
+ int new_index = 0;
+
+ for (i=0; i < this->next_temp; i++) {
+ if (get_first_temp_read(i) < 0) continue;
+ if (i != new_index)
+ rename_temp_register(i, new_index);
+ new_index++;
+ }
+
+ this->next_temp = new_index;
+}
+
+/**
+ * Returns a fragment program which implements the current pixel transfer ops.
+ * Based on get_pixel_transfer_program in st_atom_pixeltransfer.c.
+ */
+extern "C" void
+get_pixel_transfer_visitor(struct st_fragment_program *fp,
+ glsl_to_tgsi_visitor *original,
+ int scale_and_bias, int pixel_maps)
+{
+ glsl_to_tgsi_visitor *v = new glsl_to_tgsi_visitor();
+ struct st_context *st = st_context(original->ctx);
+ struct gl_program *prog = &fp->Base.Base;
+ struct gl_program_parameter_list *params = _mesa_new_parameter_list();
+ st_src_reg coord, src0;
+ st_dst_reg dst0;
+ glsl_to_tgsi_instruction *inst;
+
+ /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
+ v->ctx = original->ctx;
+ v->prog = prog;
+ v->glsl_version = original->glsl_version;
+ v->options = original->options;
+ v->next_temp = original->next_temp;
+ v->num_address_regs = original->num_address_regs;
+ v->samplers_used = prog->SamplersUsed = original->samplers_used;
+ v->indirect_addr_temps = original->indirect_addr_temps;
+ v->indirect_addr_consts = original->indirect_addr_consts;
+ memcpy(&v->immediates, &original->immediates, sizeof(v->immediates));
+
+ /*
+ * Get initial pixel color from the texture.
+ * TEX colorTemp, fragment.texcoord[0], texture[0], 2D;
+ */
+ coord = st_src_reg(PROGRAM_INPUT, FRAG_ATTRIB_TEX0, glsl_type::vec2_type);
+ src0 = v->get_temp(glsl_type::vec4_type);
+ dst0 = st_dst_reg(src0);
+ inst = v->emit(NULL, TGSI_OPCODE_TEX, dst0, coord);
+ inst->sampler = 0;
+ inst->tex_target = TEXTURE_2D_INDEX;
+
+ prog->InputsRead |= (1 << FRAG_ATTRIB_TEX0);
+ prog->SamplersUsed |= (1 << 0); /* mark sampler 0 as used */
+ v->samplers_used |= (1 << 0);
+
+ if (scale_and_bias) {
+ static const gl_state_index scale_state[STATE_LENGTH] =
+ { STATE_INTERNAL, STATE_PT_SCALE,
+ (gl_state_index) 0, (gl_state_index) 0, (gl_state_index) 0 };
+ static const gl_state_index bias_state[STATE_LENGTH] =
+ { STATE_INTERNAL, STATE_PT_BIAS,
+ (gl_state_index) 0, (gl_state_index) 0, (gl_state_index) 0 };
+ GLint scale_p, bias_p;
+ st_src_reg scale, bias;
+
+ scale_p = _mesa_add_state_reference(params, scale_state);
+ bias_p = _mesa_add_state_reference(params, bias_state);
+
+ /* MAD colorTemp, colorTemp, scale, bias; */
+ scale = st_src_reg(PROGRAM_STATE_VAR, scale_p, GLSL_TYPE_FLOAT);
+ bias = st_src_reg(PROGRAM_STATE_VAR, bias_p, GLSL_TYPE_FLOAT);
+ inst = v->emit(NULL, TGSI_OPCODE_MAD, dst0, src0, scale, bias);
+ }
+
+ if (pixel_maps) {
+ st_src_reg temp = v->get_temp(glsl_type::vec4_type);
+ st_dst_reg temp_dst = st_dst_reg(temp);
+
+ assert(st->pixel_xfer.pixelmap_texture);
+
+ /* With a little effort, we can do four pixel map look-ups with
+ * two TEX instructions:
+ */
+
+ /* TEX temp.rg, colorTemp.rgba, texture[1], 2D; */
+ temp_dst.writemask = WRITEMASK_XY; /* write R,G */
+ inst = v->emit(NULL, TGSI_OPCODE_TEX, temp_dst, src0);
+ inst->sampler = 1;
+ inst->tex_target = TEXTURE_2D_INDEX;
+
+ /* TEX temp.ba, colorTemp.baba, texture[1], 2D; */
+ src0.swizzle = MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, SWIZZLE_Z, SWIZZLE_W);
+ temp_dst.writemask = WRITEMASK_ZW; /* write B,A */
+ inst = v->emit(NULL, TGSI_OPCODE_TEX, temp_dst, src0);
+ inst->sampler = 1;
+ inst->tex_target = TEXTURE_2D_INDEX;
+
+ prog->SamplersUsed |= (1 << 1); /* mark sampler 1 as used */
+ v->samplers_used |= (1 << 1);
+
+ /* MOV colorTemp, temp; */
+ inst = v->emit(NULL, TGSI_OPCODE_MOV, dst0, temp);
+ }
+
+ /* Now copy the instructions from the original glsl_to_tgsi_visitor into the
+ * new visitor. */
+ foreach_iter(exec_list_iterator, iter, original->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ st_src_reg src_regs[3];
+
+ if (inst->dst.file == PROGRAM_OUTPUT)
+ prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index);
+
+ for (int i=0; i<3; i++) {
+ src_regs[i] = inst->src[i];
+ if (src_regs[i].file == PROGRAM_INPUT &&
+ src_regs[i].index == FRAG_ATTRIB_COL0)
+ {
+ src_regs[i].file = PROGRAM_TEMPORARY;
+ src_regs[i].index = src0.index;
+ }
+ else if (src_regs[i].file == PROGRAM_INPUT)
+ prog->InputsRead |= (1 << src_regs[i].index);
+ }
+
+ v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
+ }
+
+ /* Make modifications to fragment program info. */
+ prog->Parameters = _mesa_combine_parameter_lists(params,
+ original->prog->Parameters);
+ prog->Attributes = _mesa_clone_parameter_list(original->prog->Attributes);
+ prog->Varying = _mesa_clone_parameter_list(original->prog->Varying);
+ _mesa_free_parameter_list(params);
+ count_resources(v, prog);
+ fp->glsl_to_tgsi = v;
+}
+
+/**
+ * Make fragment program for glBitmap:
+ * Sample the texture and kill the fragment if the bit is 0.
+ * This program will be combined with the user's fragment program.
+ *
+ * Based on make_bitmap_fragment_program in st_cb_bitmap.c.
+ */
+extern "C" void
+get_bitmap_visitor(struct st_fragment_program *fp,
+ glsl_to_tgsi_visitor *original, int samplerIndex)
+{
+ glsl_to_tgsi_visitor *v = new glsl_to_tgsi_visitor();
+ struct st_context *st = st_context(original->ctx);
+ struct gl_program *prog = &fp->Base.Base;
+ st_src_reg coord, src0;
+ st_dst_reg dst0;
+ glsl_to_tgsi_instruction *inst;
+
+ /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
+ v->ctx = original->ctx;
+ v->prog = prog;
+ v->glsl_version = original->glsl_version;
+ v->options = original->options;
+ v->next_temp = original->next_temp;
+ v->num_address_regs = original->num_address_regs;
+ v->samplers_used = prog->SamplersUsed = original->samplers_used;
+ v->indirect_addr_temps = original->indirect_addr_temps;
+ v->indirect_addr_consts = original->indirect_addr_consts;
+ memcpy(&v->immediates, &original->immediates, sizeof(v->immediates));
+
+ /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */
+ coord = st_src_reg(PROGRAM_INPUT, FRAG_ATTRIB_TEX0, glsl_type::vec2_type);
+ src0 = v->get_temp(glsl_type::vec4_type);
+ dst0 = st_dst_reg(src0);
+ inst = v->emit(NULL, TGSI_OPCODE_TEX, dst0, coord);
+ inst->sampler = samplerIndex;
+ inst->tex_target = TEXTURE_2D_INDEX;
+
+ prog->InputsRead |= (1 << FRAG_ATTRIB_TEX0);
+ prog->SamplersUsed |= (1 << samplerIndex); /* mark sampler as used */
+ v->samplers_used |= (1 << samplerIndex);
+
+ /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */
+ src0.negate = NEGATE_XYZW;
+ if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
+ src0.swizzle = SWIZZLE_XXXX;
+ inst = v->emit(NULL, TGSI_OPCODE_KIL, undef_dst, src0);
+
+ /* Now copy the instructions from the original glsl_to_tgsi_visitor into the
+ * new visitor. */
+ foreach_iter(exec_list_iterator, iter, original->instructions) {
+ glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
+ st_src_reg src_regs[3];
+
+ if (inst->dst.file == PROGRAM_OUTPUT)
+ prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index);
+
+ for (int i=0; i<3; i++) {
+ src_regs[i] = inst->src[i];
+ if (src_regs[i].file == PROGRAM_INPUT)
+ prog->InputsRead |= (1 << src_regs[i].index);
+ }
+
+ v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
+ }
+
+ /* Make modifications to fragment program info. */
+ prog->Parameters = _mesa_clone_parameter_list(original->prog->Parameters);
+ prog->Attributes = _mesa_clone_parameter_list(original->prog->Attributes);
+ prog->Varying = _mesa_clone_parameter_list(original->prog->Varying);
+ count_resources(v, prog);
+ fp->glsl_to_tgsi = v;
+}
+
+/* ------------------------- TGSI conversion stuff -------------------------- */
+struct label {
+ unsigned branch_target;
+ unsigned token;
+};
+
+/**
+ * Intermediate state used during shader translation.
+ */
+struct st_translate {
+ struct ureg_program *ureg;
+
+ struct ureg_dst temps[MAX_TEMPS];
+ struct ureg_src *constants;
+ struct ureg_src *immediates;
+ struct ureg_dst outputs[PIPE_MAX_SHADER_OUTPUTS];
+ struct ureg_src inputs[PIPE_MAX_SHADER_INPUTS];
+ struct ureg_dst address[1];
+ struct ureg_src samplers[PIPE_MAX_SAMPLERS];
+ struct ureg_src systemValues[SYSTEM_VALUE_MAX];
+
+ /* Extra info for handling point size clamping in vertex shader */
+ struct ureg_dst pointSizeResult; /**< Actual point size output register */
+ struct ureg_src pointSizeConst; /**< Point size range constant register */
+ GLint pointSizeOutIndex; /**< Temp point size output register */
+ GLboolean prevInstWrotePointSize;
+
+ const GLuint *inputMapping;
+ const GLuint *outputMapping;
+
+ /* For every instruction that contains a label (eg CALL), keep
+ * details so that we can go back afterwards and emit the correct
+ * tgsi instruction number for each label.
+ */
+ struct label *labels;
+ unsigned labels_size;
+ unsigned labels_count;
+
+ /* Keep a record of the tgsi instruction number that each mesa
+ * instruction starts at, will be used to fix up labels after
+ * translation.
+ */
+ unsigned *insn;
+ unsigned insn_size;
+ unsigned insn_count;
+
+ unsigned procType; /**< TGSI_PROCESSOR_VERTEX/FRAGMENT */
+
+ boolean error;
+};
+
+/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
+static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
+ TGSI_SEMANTIC_FACE,
+ TGSI_SEMANTIC_INSTANCEID
+};
+
+/**
+ * Make note of a branch to a label in the TGSI code.
+ * After we've emitted all instructions, we'll go over the list
+ * of labels built here and patch the TGSI code with the actual
+ * location of each label.
+ */
+static unsigned *get_label(struct st_translate *t, unsigned branch_target)
+{
+ unsigned i;
+
+ if (t->labels_count + 1 >= t->labels_size) {
+ t->labels_size = 1 << (util_logbase2(t->labels_size) + 1);
+ t->labels = (struct label *)realloc(t->labels,
+ t->labels_size * sizeof(struct label));
+ if (t->labels == NULL) {
+ static unsigned dummy;
+ t->error = TRUE;
+ return &dummy;
+ }
+ }
+
+ i = t->labels_count++;
+ t->labels[i].branch_target = branch_target;
+ return &t->labels[i].token;
+}
+
+/**
+ * Called prior to emitting the TGSI code for each instruction.
+ * Allocate additional space for instructions if needed.
+ * Update the insn[] array so the next glsl_to_tgsi_instruction points to
+ * the next TGSI instruction.
+ */
+static void set_insn_start(struct st_translate *t, unsigned start)
+{
+ if (t->insn_count + 1 >= t->insn_size) {
+ t->insn_size = 1 << (util_logbase2(t->insn_size) + 1);
+ t->insn = (unsigned *)realloc(t->insn, t->insn_size * sizeof(t->insn[0]));
+ if (t->insn == NULL) {
+ t->error = TRUE;
+ return;
+ }
+ }
+
+ t->insn[t->insn_count++] = start;
+}
+
+/**
+ * Map a glsl_to_tgsi constant/immediate to a TGSI immediate.
+ */
+static struct ureg_src
+emit_immediate(struct st_translate *t,
+ gl_constant_value values[4],
+ int type, int size)
+{
+ struct ureg_program *ureg = t->ureg;
+
+ switch(type)
+ {
+ case GL_FLOAT:
+ return ureg_DECL_immediate(ureg, &values[0].f, size);
+ case GL_INT:
+ return ureg_DECL_immediate_int(ureg, &values[0].i, size);
+ case GL_UNSIGNED_INT:
+ case GL_BOOL:
+ return ureg_DECL_immediate_uint(ureg, &values[0].u, size);
+ default:
+ assert(!"should not get here - type must be float, int, uint, or bool");
+ return ureg_src_undef();
+ }
+}
+
+/**
+ * Map a glsl_to_tgsi dst register to a TGSI ureg_dst register.
+ */
+static struct ureg_dst
+dst_register(struct st_translate *t,
+ gl_register_file file,
+ GLuint index)
+{
+ switch(file) {
+ case PROGRAM_UNDEFINED:
+ return ureg_dst_undef();
+
+ case PROGRAM_TEMPORARY:
+ if (ureg_dst_is_undef(t->temps[index]))
+ t->temps[index] = ureg_DECL_temporary(t->ureg);
+
+ return t->temps[index];
+
+ case PROGRAM_OUTPUT:
+ if (t->procType == TGSI_PROCESSOR_VERTEX && index == VERT_RESULT_PSIZ)
+ t->prevInstWrotePointSize = GL_TRUE;
+
+ if (t->procType == TGSI_PROCESSOR_VERTEX)
+ assert(index < VERT_RESULT_MAX);
+ else if (t->procType == TGSI_PROCESSOR_FRAGMENT)
+ assert(index < FRAG_RESULT_MAX);
+ else
+ assert(index < GEOM_RESULT_MAX);
+
+ assert(t->outputMapping[index] < Elements(t->outputs));
+
+ return t->outputs[t->outputMapping[index]];
+
+ case PROGRAM_ADDRESS:
+ return t->address[index];
+
+ default:
+ assert(!"unknown dst register file");
+ return ureg_dst_undef();
+ }
+}
+
+/**
+ * Map a glsl_to_tgsi src register to a TGSI ureg_src register.
+ */
+static struct ureg_src
+src_register(struct st_translate *t,
+ gl_register_file file,
+ GLuint index)
+{
+ switch(file) {
+ case PROGRAM_UNDEFINED:
+ return ureg_src_undef();
+
+ case PROGRAM_TEMPORARY:
+ assert(index >= 0);
+ assert(index < Elements(t->temps));
+ if (ureg_dst_is_undef(t->temps[index]))
+ t->temps[index] = ureg_DECL_temporary(t->ureg);
+ return ureg_src(t->temps[index]);
+
+ case PROGRAM_NAMED_PARAM:
+ case PROGRAM_ENV_PARAM:
+ case PROGRAM_LOCAL_PARAM:
+ case PROGRAM_UNIFORM:
+ assert(index >= 0);
+ return t->constants[index];
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_CONSTANT: /* ie, immediate */
+ if (index < 0)
+ return ureg_DECL_constant(t->ureg, 0);
+ else
+ return t->constants[index];
+
+ case PROGRAM_IMMEDIATE:
+ return t->immediates[index];
+
+ case PROGRAM_INPUT:
+ assert(t->inputMapping[index] < Elements(t->inputs));
+ return t->inputs[t->inputMapping[index]];
+
+ case PROGRAM_OUTPUT:
+ assert(t->outputMapping[index] < Elements(t->outputs));
+ return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */
+
+ case PROGRAM_ADDRESS:
+ return ureg_src(t->address[index]);
+
+ case PROGRAM_SYSTEM_VALUE:
+ assert(index < Elements(t->systemValues));
+ return t->systemValues[index];
+
+ default:
+ assert(!"unknown src register file");
+ return ureg_src_undef();
+ }
+}
+
+/**
+ * Create a TGSI ureg_dst register from an st_dst_reg.
+ */
+static struct ureg_dst
+translate_dst(struct st_translate *t,
+ const st_dst_reg *dst_reg,
+ bool saturate)
+{
+ struct ureg_dst dst = dst_register(t,
+ dst_reg->file,
+ dst_reg->index);
+
+ dst = ureg_writemask(dst, dst_reg->writemask);
+
+ if (saturate)
+ dst = ureg_saturate(dst);
+
+ if (dst_reg->reladdr != NULL)
+ dst = ureg_dst_indirect(dst, ureg_src(t->address[0]));
+
+ return dst;
+}
+
+/**
+ * Create a TGSI ureg_src register from an st_src_reg.
+ */
+static struct ureg_src
+translate_src(struct st_translate *t, const st_src_reg *src_reg)
+{
+ struct ureg_src src = src_register(t, src_reg->file, src_reg->index);
+
+ src = ureg_swizzle(src,
+ GET_SWZ(src_reg->swizzle, 0) & 0x3,
+ GET_SWZ(src_reg->swizzle, 1) & 0x3,
+ GET_SWZ(src_reg->swizzle, 2) & 0x3,
+ GET_SWZ(src_reg->swizzle, 3) & 0x3);
+
+ if ((src_reg->negate & 0xf) == NEGATE_XYZW)
+ src = ureg_negate(src);
+
+ if (src_reg->reladdr != NULL) {
+ /* Normally ureg_src_indirect() would be used here, but a stupid compiler
+ * bug in g++ makes ureg_src_indirect (an inline C function) erroneously
+ * set the bit for src.Negate. So we have to do the operation manually
+ * here to work around the compiler's problems. */
+ /*src = ureg_src_indirect(src, ureg_src(t->address[0]));*/
+ struct ureg_src addr = ureg_src(t->address[0]);
+ src.Indirect = 1;
+ src.IndirectFile = addr.File;
+ src.IndirectIndex = addr.Index;
+ src.IndirectSwizzle = addr.SwizzleX;
+
+ if (src_reg->file != PROGRAM_INPUT &&
+ src_reg->file != PROGRAM_OUTPUT) {
+ /* If src_reg->index was negative, it was set to zero in
+ * src_register(). Reassign it now. But don't do this
+ * for input/output regs since they get remapped while
+ * const buffers don't.
+ */
+ src.Index = src_reg->index;
+ }
+ }
+
+ return src;
+}
+
+static void
+compile_tgsi_instruction(struct st_translate *t,
+ const struct glsl_to_tgsi_instruction *inst)
+{
+ struct ureg_program *ureg = t->ureg;
+ GLuint i;
+ struct ureg_dst dst[1];
+ struct ureg_src src[4];
+ unsigned num_dst;
+ unsigned num_src;
+
+ num_dst = num_inst_dst_regs(inst->op);
+ num_src = num_inst_src_regs(inst->op);
+
+ if (num_dst)
+ dst[0] = translate_dst(t,
+ &inst->dst,
+ inst->saturate);
+
+ for (i = 0; i < num_src; i++)
+ src[i] = translate_src(t, &inst->src[i]);
+
+ switch(inst->op) {
+ case TGSI_OPCODE_BGNLOOP:
+ case TGSI_OPCODE_CAL:
+ case TGSI_OPCODE_ELSE:
+ case TGSI_OPCODE_ENDLOOP:
+ case TGSI_OPCODE_IF:
+ assert(num_dst == 0);
+ ureg_label_insn(ureg,
+ inst->op,
+ src, num_src,
+ get_label(t,
+ inst->op == TGSI_OPCODE_CAL ? inst->function->sig_id : 0));
+ return;
+
+ case TGSI_OPCODE_TEX:
+ case TGSI_OPCODE_TXB:
+ case TGSI_OPCODE_TXD:
+ case TGSI_OPCODE_TXL:
+ case TGSI_OPCODE_TXP:
+ src[num_src++] = t->samplers[inst->sampler];
+ ureg_tex_insn(ureg,
+ inst->op,
+ dst, num_dst,
+ translate_texture_target(inst->tex_target, inst->tex_shadow),
+ src, num_src);
+ return;
+
+ case TGSI_OPCODE_SCS:
+ dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XY);
+ ureg_insn(ureg, inst->op, dst, num_dst, src, num_src);
+ break;
+
+ default:
+ ureg_insn(ureg,
+ inst->op,
+ dst, num_dst,
+ src, num_src);
+ break;
+ }
+}
+
+/**
+ * Emit the TGSI instructions to adjust the WPOS pixel center convention
+ * Basically, add (adjX, adjY) to the fragment position.
+ */
+static void
+emit_adjusted_wpos(struct st_translate *t,
+ const struct gl_program *program,
+ float adjX, float adjY)
+{
+ struct ureg_program *ureg = t->ureg;
+ struct ureg_dst wpos_temp = ureg_DECL_temporary(ureg);
+ struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]];
+
+ /* Note that we bias X and Y and pass Z and W through unchanged.
+ * The shader might also use gl_FragCoord.w and .z.
+ */
+ ureg_ADD(ureg, wpos_temp, wpos_input,
+ ureg_imm4f(ureg, adjX, adjY, 0.0f, 0.0f));
+
+ t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
+}
+
+
+/**
+ * Emit the TGSI instructions for inverting the WPOS y coordinate.
+ * This code is unavoidable because it also depends on whether
+ * a FBO is bound (STATE_FB_WPOS_Y_TRANSFORM).
+ */
+static void
+emit_wpos_inversion(struct st_translate *t,
+ const struct gl_program *program,
+ bool invert)
+{
+ struct ureg_program *ureg = t->ureg;
+
+ /* Fragment program uses fragment position input.
+ * Need to replace instances of INPUT[WPOS] with temp T
+ * where T = INPUT[WPOS] by y is inverted.
+ */
+ static const gl_state_index wposTransformState[STATE_LENGTH]
+ = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM,
+ (gl_state_index)0, (gl_state_index)0, (gl_state_index)0 };
+
+ /* XXX: note we are modifying the incoming shader here! Need to
+ * do this before emitting the constant decls below, or this
+ * will be missed:
+ */
+ unsigned wposTransConst = _mesa_add_state_reference(program->Parameters,
+ wposTransformState);
+
+ struct ureg_src wpostrans = ureg_DECL_constant(ureg, wposTransConst);
+ struct ureg_dst wpos_temp;
+ struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]];
+
+ /* MOV wpos_temp, input[wpos]
+ */
+ if (wpos_input.File == TGSI_FILE_TEMPORARY)
+ wpos_temp = ureg_dst(wpos_input);
+ else {
+ wpos_temp = ureg_DECL_temporary(ureg);
+ ureg_MOV(ureg, wpos_temp, wpos_input);
+ }
+
+ if (invert) {
+ /* MAD wpos_temp.y, wpos_input, wpostrans.xxxx, wpostrans.yyyy
+ */
+ ureg_MAD(ureg,
+ ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y),
+ wpos_input,
+ ureg_scalar(wpostrans, 0),
+ ureg_scalar(wpostrans, 1));
+ } else {
+ /* MAD wpos_temp.y, wpos_input, wpostrans.zzzz, wpostrans.wwww
+ */
+ ureg_MAD(ureg,
+ ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y),
+ wpos_input,
+ ureg_scalar(wpostrans, 2),
+ ureg_scalar(wpostrans, 3));
+ }
+
+ /* Use wpos_temp as position input from here on:
+ */
+ t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
+}
+
+
+/**
+ * Emit fragment position/ooordinate code.
+ */
+static void
+emit_wpos(struct st_context *st,
+ struct st_translate *t,
+ const struct gl_program *program,
+ struct ureg_program *ureg)
+{
+ const struct gl_fragment_program *fp =
+ (const struct gl_fragment_program *) program;
+ struct pipe_screen *pscreen = st->pipe->screen;
+ boolean invert = FALSE;
+
+ if (fp->OriginUpperLeft) {
+ /* Fragment shader wants origin in upper-left */
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) {
+ /* the driver supports upper-left origin */
+ }
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
+ /* the driver supports lower-left origin, need to invert Y */
+ ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ invert = TRUE;
+ }
+ else
+ assert(0);
+ }
+ else {
+ /* Fragment shader wants origin in lower-left */
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
+ /* the driver supports lower-left origin */
+ ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT))
+ /* the driver supports upper-left origin, need to invert Y */
+ invert = TRUE;
+ else
+ assert(0);
+ }
+
+ if (fp->PixelCenterInteger) {
+ /* Fragment shader wants pixel center integer */
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER))
+ /* the driver supports pixel center integer */
+ ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER))
+ /* the driver supports pixel center half integer, need to bias X,Y */
+ emit_adjusted_wpos(t, program, 0.5f, invert ? 0.5f : -0.5f);
+ else
+ assert(0);
+ }
+ else {
+ /* Fragment shader wants pixel center half integer */
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
+ /* the driver supports pixel center half integer */
+ }
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
+ /* the driver supports pixel center integer, need to bias X,Y */
+ ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ emit_adjusted_wpos(t, program, 0.5f, invert ? -0.5f : 0.5f);
+ }
+ else
+ assert(0);
+ }
+
+ /* we invert after adjustment so that we avoid the MOV to temporary,
+ * and reuse the adjustment ADD instead */
+ emit_wpos_inversion(t, program, invert);
+}
+
+/**
+ * OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back.
+ * TGSI uses +1 for front, -1 for back.
+ * This function converts the TGSI value to the GL value. Simply clamping/
+ * saturating the value to [0,1] does the job.
+ */
+static void
+emit_face_var(struct st_translate *t)
+{
+ struct ureg_program *ureg = t->ureg;
+ struct ureg_dst face_temp = ureg_DECL_temporary(ureg);
+ struct ureg_src face_input = t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]];
+
+ /* MOV_SAT face_temp, input[face] */
+ face_temp = ureg_saturate(face_temp);
+ ureg_MOV(ureg, face_temp, face_input);
+
+ /* Use face_temp as face input from here on: */
+ t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]] = ureg_src(face_temp);
+}
+
+static void
+emit_edgeflags(struct st_translate *t)
+{
+ struct ureg_program *ureg = t->ureg;
+ struct ureg_dst edge_dst = t->outputs[t->outputMapping[VERT_RESULT_EDGE]];
+ struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]];
+
+ ureg_MOV(ureg, edge_dst, edge_src);
+}
+
+/**
+ * Translate intermediate IR (glsl_to_tgsi_instruction) to TGSI format.
+ * \param program the program to translate
+ * \param numInputs number of input registers used
+ * \param inputMapping maps Mesa fragment program inputs to TGSI generic
+ * input indexes
+ * \param inputSemanticName the TGSI_SEMANTIC flag for each input
+ * \param inputSemanticIndex the semantic index (ex: which texcoord) for
+ * each input
+ * \param interpMode the TGSI_INTERPOLATE_LINEAR/PERSP mode for each input
+ * \param numOutputs number of output registers used
+ * \param outputMapping maps Mesa fragment program outputs to TGSI
+ * generic outputs
+ * \param outputSemanticName the TGSI_SEMANTIC flag for each output
+ * \param outputSemanticIndex the semantic index (ex: which texcoord) for
+ * each output
+ *
+ * \return PIPE_OK or PIPE_ERROR_OUT_OF_MEMORY
+ */
+extern "C" enum pipe_error
+st_translate_program(
+ struct gl_context *ctx,
+ uint procType,
+ struct ureg_program *ureg,
+ glsl_to_tgsi_visitor *program,
+ const struct gl_program *proginfo,
+ GLuint numInputs,
+ const GLuint inputMapping[],
+ const ubyte inputSemanticName[],
+ const ubyte inputSemanticIndex[],
+ const GLuint interpMode[],
+ GLuint numOutputs,
+ const GLuint outputMapping[],
+ const ubyte outputSemanticName[],
+ const ubyte outputSemanticIndex[],
+ boolean passthrough_edgeflags)
+{
+ struct st_translate translate, *t;
+ unsigned i;
+ enum pipe_error ret = PIPE_OK;
+
+ assert(numInputs <= Elements(t->inputs));
+ assert(numOutputs <= Elements(t->outputs));
+
+ t = &translate;
+ memset(t, 0, sizeof *t);
+
+ t->procType = procType;
+ t->inputMapping = inputMapping;
+ t->outputMapping = outputMapping;
+ t->ureg = ureg;
+ t->pointSizeOutIndex = -1;
+ t->prevInstWrotePointSize = GL_FALSE;
+
+ /*
+ * Declare input attributes.
+ */
+ if (procType == TGSI_PROCESSOR_FRAGMENT) {
+ for (i = 0; i < numInputs; i++) {
+ t->inputs[i] = ureg_DECL_fs_input(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i],
+ interpMode[i]);
+ }
+
+ if (proginfo->InputsRead & FRAG_BIT_WPOS) {
+ /* Must do this after setting up t->inputs, and before
+ * emitting constant references, below:
+ */
+ emit_wpos(st_context(ctx), t, proginfo, ureg);
+ }
+
+ if (proginfo->InputsRead & FRAG_BIT_FACE)
+ emit_face_var(t);
+
+ /*
+ * Declare output attributes.
+ */
+ for (i = 0; i < numOutputs; i++) {
+ switch (outputSemanticName[i]) {
+ case TGSI_SEMANTIC_POSITION:
+ t->outputs[i] = ureg_DECL_output(ureg,
+ TGSI_SEMANTIC_POSITION, /* Z/Depth */
+ outputSemanticIndex[i]);
+ t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_Z);
+ break;
+ case TGSI_SEMANTIC_STENCIL:
+ t->outputs[i] = ureg_DECL_output(ureg,
+ TGSI_SEMANTIC_STENCIL, /* Stencil */
+ outputSemanticIndex[i]);
+ t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_Y);
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ t->outputs[i] = ureg_DECL_output(ureg,
+ TGSI_SEMANTIC_COLOR,
+ outputSemanticIndex[i]);
+ break;
+ default:
+ assert(!"fragment shader outputs must be POSITION/STENCIL/COLOR");
+ return PIPE_ERROR_BAD_INPUT;
+ }
+ }
+ }
+ else if (procType == TGSI_PROCESSOR_GEOMETRY) {
+ for (i = 0; i < numInputs; i++) {
+ t->inputs[i] = ureg_DECL_gs_input(ureg,
+ i,
+ inputSemanticName[i],
+ inputSemanticIndex[i]);
+ }
+
+ for (i = 0; i < numOutputs; i++) {
+ t->outputs[i] = ureg_DECL_output(ureg,
+ outputSemanticName[i],
+ outputSemanticIndex[i]);
+ }
+ }
+ else {
+ assert(procType == TGSI_PROCESSOR_VERTEX);
+
+ for (i = 0; i < numInputs; i++) {
+ t->inputs[i] = ureg_DECL_vs_input(ureg, i);
+ }
+
+ for (i = 0; i < numOutputs; i++) {
+ t->outputs[i] = ureg_DECL_output(ureg,
+ outputSemanticName[i],
+ outputSemanticIndex[i]);
+ if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && proginfo->Id) {
+ /* Writing to the point size result register requires special
+ * handling to implement clamping.
+ */
+ static const gl_state_index pointSizeClampState[STATE_LENGTH]
+ = { STATE_INTERNAL, STATE_POINT_SIZE_IMPL_CLAMP, (gl_state_index)0, (gl_state_index)0, (gl_state_index)0 };
+ /* XXX: note we are modifying the incoming shader here! Need to
+ * do this before emitting the constant decls below, or this
+ * will be missed.
+ */
+ unsigned pointSizeClampConst =
+ _mesa_add_state_reference(proginfo->Parameters,
+ pointSizeClampState);
+ struct ureg_dst psizregtemp = ureg_DECL_temporary(ureg);
+ t->pointSizeConst = ureg_DECL_constant(ureg, pointSizeClampConst);
+ t->pointSizeResult = t->outputs[i];
+ t->pointSizeOutIndex = i;
+ t->outputs[i] = psizregtemp;
+ }
+ }
+ if (passthrough_edgeflags)
+ emit_edgeflags(t);
+ }
+
+ /* Declare address register.
+ */
+ if (program->num_address_regs > 0) {
+ assert(program->num_address_regs == 1);
+ t->address[0] = ureg_DECL_address(ureg);
+ }
+
+ /* Declare misc input registers
+ */
+ {
+ GLbitfield sysInputs = proginfo->SystemValuesRead;
+ unsigned numSys = 0;
+ for (i = 0; sysInputs; i++) {
+ if (sysInputs & (1 << i)) {
+ unsigned semName = mesa_sysval_to_semantic[i];
+ t->systemValues[i] = ureg_DECL_system_value(ureg, numSys, semName, 0);
+ numSys++;
+ sysInputs &= ~(1 << i);
+ }
+ }
+ }
+
+ if (program->indirect_addr_temps) {
+ /* If temps are accessed with indirect addressing, declare temporaries
+ * in sequential order. Else, we declare them on demand elsewhere.
+ * (Note: the number of temporaries is equal to program->next_temp)
+ */
+ for (i = 0; i < (unsigned)program->next_temp; i++) {
+ /* XXX use TGSI_FILE_TEMPORARY_ARRAY when it's supported by ureg */
+ t->temps[i] = ureg_DECL_temporary(t->ureg);
+ }
+ }
+
+ /* Emit constants and uniforms. TGSI uses a single index space for these,
+ * so we put all the translated regs in t->constants.
+ */
+ if (proginfo->Parameters) {
+ t->constants = (struct ureg_src *)CALLOC(proginfo->Parameters->NumParameters * sizeof(t->constants[0]));
+ if (t->constants == NULL) {
+ ret = PIPE_ERROR_OUT_OF_MEMORY;
+ goto out;
+ }
+
+ for (i = 0; i < proginfo->Parameters->NumParameters; i++) {
+ switch (proginfo->Parameters->Parameters[i].Type) {
+ case PROGRAM_ENV_PARAM:
+ case PROGRAM_LOCAL_PARAM:
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ case PROGRAM_UNIFORM:
+ t->constants[i] = ureg_DECL_constant(ureg, i);
+ break;
+
+ /* Emit immediates for PROGRAM_CONSTANT only when there's no indirect
+ * addressing of the const buffer.
+ * FIXME: Be smarter and recognize param arrays:
+ * indirect addressing is only valid within the referenced
+ * array.
+ */
+ case PROGRAM_CONSTANT:
+ if (program->indirect_addr_consts)
+ t->constants[i] = ureg_DECL_constant(ureg, i);
+ else
+ t->constants[i] = emit_immediate(t,
+ proginfo->Parameters->ParameterValues[i],
+ proginfo->Parameters->Parameters[i].DataType,
+ 4);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ /* Emit immediate values.
+ */
+ t->immediates = (struct ureg_src *)CALLOC(program->num_immediates * sizeof(struct ureg_src));
+ if (t->immediates == NULL) {
+ ret = PIPE_ERROR_OUT_OF_MEMORY;
+ goto out;
+ }
+ i = 0;
+ foreach_iter(exec_list_iterator, iter, program->immediates) {
+ immediate_storage *imm = (immediate_storage *)iter.get();
+ t->immediates[i++] = emit_immediate(t, imm->values, imm->type, imm->size);
+ }
+
+ /* texture samplers */
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
+ if (program->samplers_used & (1 << i)) {
+ t->samplers[i] = ureg_DECL_sampler(ureg, i);
+ }
+ }
+
+ /* Emit each instruction in turn:
+ */
+ foreach_iter(exec_list_iterator, iter, program->instructions) {
+ set_insn_start(t, ureg_get_instruction_number(ureg));
+ compile_tgsi_instruction(t, (glsl_to_tgsi_instruction *)iter.get());
+
+ if (t->prevInstWrotePointSize && proginfo->Id) {
+ /* The previous instruction wrote to the (fake) vertex point size
+ * result register. Now we need to clamp that value to the min/max
+ * point size range, putting the result into the real point size
+ * register.
+ * Note that we can't do this easily at the end of program due to
+ * possible early return.
+ */
+ set_insn_start(t, ureg_get_instruction_number(ureg));
+ ureg_MAX(t->ureg,
+ ureg_writemask(t->outputs[t->pointSizeOutIndex], WRITEMASK_X),
+ ureg_src(t->outputs[t->pointSizeOutIndex]),
+ ureg_swizzle(t->pointSizeConst, 1,1,1,1));
+ ureg_MIN(t->ureg, ureg_writemask(t->pointSizeResult, WRITEMASK_X),
+ ureg_src(t->outputs[t->pointSizeOutIndex]),
+ ureg_swizzle(t->pointSizeConst, 2,2,2,2));
+ }
+ t->prevInstWrotePointSize = GL_FALSE;
+ }
+
+ /* Fix up all emitted labels:
+ */
+ for (i = 0; i < t->labels_count; i++) {
+ ureg_fixup_label(ureg, t->labels[i].token,
+ t->insn[t->labels[i].branch_target]);
+ }
+
+out:
+ FREE(t->insn);
+ FREE(t->labels);
+ FREE(t->constants);
+ FREE(t->immediates);
+
+ if (t->error) {
+ debug_printf("%s: translate error flag set\n", __FUNCTION__);
+ }
+
+ return ret;
+}
+/* ----------------------------- End TGSI code ------------------------------ */
+
+/**
+ * Convert a shader's GLSL IR into a Mesa gl_program, although without
+ * generating Mesa IR.
+ */
+static struct gl_program *
+get_mesa_program(struct gl_context *ctx,
+ struct gl_shader_program *shader_program,
+ struct gl_shader *shader)
+{
+ glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
+ struct gl_program *prog;
+ GLenum target;
+ const char *target_string;
+ bool progress;
+ struct gl_shader_compiler_options *options =
+ &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
+
+ switch (shader->Type) {
+ case GL_VERTEX_SHADER:
+ target = GL_VERTEX_PROGRAM_ARB;
+ target_string = "vertex";
+ break;
+ case GL_FRAGMENT_SHADER:
+ target = GL_FRAGMENT_PROGRAM_ARB;
+ target_string = "fragment";
+ break;
+ case GL_GEOMETRY_SHADER:
+ target = GL_GEOMETRY_PROGRAM_NV;
+ target_string = "geometry";
+ break;
+ default:
+ assert(!"should not be reached");
+ return NULL;
+ }
+
+ validate_ir_tree(shader->ir);
+
+ prog = ctx->Driver.NewProgram(ctx, target, shader_program->Name);
+ if (!prog)
+ return NULL;
+ prog->Parameters = _mesa_new_parameter_list();
+ prog->Varying = _mesa_new_parameter_list();
+ prog->Attributes = _mesa_new_parameter_list();
+ v->ctx = ctx;
+ v->prog = prog;
+ v->shader_program = shader_program;
+ v->options = options;
+ v->glsl_version = ctx->Const.GLSLVersion;
+
+ add_uniforms_to_parameters_list(shader_program, shader, prog);
+
+ /* Emit intermediate IR for main(). */
+ visit_exec_list(shader->ir, v);
+
+ /* Now emit bodies for any functions that were used. */
+ do {
+ progress = GL_FALSE;
+
+ foreach_iter(exec_list_iterator, iter, v->function_signatures) {
+ function_entry *entry = (function_entry *)iter.get();
+
+ if (!entry->bgn_inst) {
+ v->current_function = entry;
+
+ entry->bgn_inst = v->emit(NULL, TGSI_OPCODE_BGNSUB);
+ entry->bgn_inst->function = entry;
+
+ visit_exec_list(&entry->sig->body, v);
+
+ glsl_to_tgsi_instruction *last;
+ last = (glsl_to_tgsi_instruction *)v->instructions.get_tail();
+ if (last->op != TGSI_OPCODE_RET)
+ v->emit(NULL, TGSI_OPCODE_RET);
+
+ glsl_to_tgsi_instruction *end;
+ end = v->emit(NULL, TGSI_OPCODE_ENDSUB);
+ end->function = entry;
+
+ progress = GL_TRUE;
+ }
+ }
+ } while (progress);
+
+#if 0
+ /* Print out some information (for debugging purposes) used by the
+ * optimization passes. */
+ for (i=0; i < v->next_temp; i++) {
+ int fr = v->get_first_temp_read(i);
+ int fw = v->get_first_temp_write(i);
+ int lr = v->get_last_temp_read(i);
+ int lw = v->get_last_temp_write(i);
+
+ printf("Temp %d: FR=%3d FW=%3d LR=%3d LW=%3d\n", i, fr, fw, lr, lw);
+ assert(fw <= fr);
+ }
+#endif
+
+ /* Remove reads to output registers, and to varyings in vertex shaders. */
+ v->remove_output_reads(PROGRAM_OUTPUT);
+ if (target == GL_VERTEX_PROGRAM_ARB)
+ v->remove_output_reads(PROGRAM_VARYING);
+
+ /* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
+ v->simplify_cmp();
+ v->copy_propagate();
+ while (v->eliminate_dead_code_advanced());
+
+ /* FIXME: These passes to optimize temporary registers don't work when there
+ * is indirect addressing of the temporary register space. We need proper
+ * array support so that we don't have to give up these passes in every
+ * shader that uses arrays.
+ */
+ if (!v->indirect_addr_temps) {
+ v->eliminate_dead_code();
+ v->merge_registers();
+ v->renumber_registers();
+ }
+
+ /* Write the END instruction. */
+ v->emit(NULL, TGSI_OPCODE_END);
+
+ if (ctx->Shader.Flags & GLSL_DUMP) {
+ printf("\n");
+ printf("GLSL IR for linked %s program %d:\n", target_string,
+ shader_program->Name);
+ _mesa_print_ir(shader->ir, NULL);
+ printf("\n");
+ printf("\n");
+ }
+
+ prog->Instructions = NULL;
+ prog->NumInstructions = 0;
+
+ do_set_program_inouts(shader->ir, prog);
+ count_resources(v, prog);
+
+ check_resources(ctx, shader_program, v, prog);
+
+ _mesa_reference_program(ctx, &shader->Program, prog);
+
+ struct st_vertex_program *stvp;
+ struct st_fragment_program *stfp;
+ struct st_geometry_program *stgp;
+
+ switch (shader->Type) {
+ case GL_VERTEX_SHADER:
+ stvp = (struct st_vertex_program *)prog;
+ stvp->glsl_to_tgsi = v;
+ break;
+ case GL_FRAGMENT_SHADER:
+ stfp = (struct st_fragment_program *)prog;
+ stfp->glsl_to_tgsi = v;
+ break;
+ case GL_GEOMETRY_SHADER:
+ stgp = (struct st_geometry_program *)prog;
+ stgp->glsl_to_tgsi = v;
+ break;
+ default:
+ assert(!"should not be reached");
+ return NULL;
+ }
+
+ return prog;
+}
+
+extern "C" {
+
+struct gl_shader *
+st_new_shader(struct gl_context *ctx, GLuint name, GLuint type)
+{
+ struct gl_shader *shader;
+ assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER ||
+ type == GL_GEOMETRY_SHADER_ARB);
+ shader = rzalloc(NULL, struct gl_shader);
+ if (shader) {
+ shader->Type = type;
+ shader->Name = name;
+ _mesa_init_shader(ctx, shader);
+ }
+ return shader;
+}
+
+struct gl_shader_program *
+st_new_shader_program(struct gl_context *ctx, GLuint name)
+{
+ struct gl_shader_program *shProg;
+ shProg = rzalloc(NULL, struct gl_shader_program);
+ if (shProg) {
+ shProg->Name = name;
+ _mesa_init_shader_program(ctx, shProg);
+ }
+ return shProg;
+}
+
+/**
+ * Link a shader.
+ * Called via ctx->Driver.LinkShader()
+ * This actually involves converting GLSL IR into an intermediate TGSI-like IR
+ * with code lowering and other optimizations.
+ */
+GLboolean
+st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
+{
+ assert(prog->LinkStatus);
+
+ for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+ if (prog->_LinkedShaders[i] == NULL)
+ continue;
+
+ bool progress;
+ exec_list *ir = prog->_LinkedShaders[i]->ir;
+ const struct gl_shader_compiler_options *options =
+ &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)];
+
+ do {
+ progress = false;
+
+ /* Lowering */
+ do_mat_op_to_vec(ir);
+ lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
+ | LOG_TO_LOG2
+ | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
+
+ progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
+
+ progress = do_common_optimization(ir, true, options->MaxUnrollIterations) || progress;
+
+ progress = lower_quadop_vector(ir, false) || progress;
+
+ if (options->EmitNoIfs) {
+ progress = lower_discard(ir) || progress;
+ progress = lower_if_to_cond_assign(ir) || progress;
+ }
+
+ if (options->EmitNoNoise)
+ progress = lower_noise(ir) || progress;
+
+ /* If there are forms of indirect addressing that the driver
+ * cannot handle, perform the lowering pass.
+ */
+ if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput
+ || options->EmitNoIndirectTemp || options->EmitNoIndirectUniform)
+ progress =
+ lower_variable_index_to_cond_assign(ir,
+ options->EmitNoIndirectInput,
+ options->EmitNoIndirectOutput,
+ options->EmitNoIndirectTemp,
+ options->EmitNoIndirectUniform)
+ || progress;
+
+ progress = do_vec_index_to_cond_assign(ir) || progress;
+ } while (progress);
+
+ validate_ir_tree(ir);
+ }
+
+ for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+ struct gl_program *linked_prog;
+
+ if (prog->_LinkedShaders[i] == NULL)
+ continue;
+
+ linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
+
+ if (linked_prog) {
+ bool ok = true;
+
+ switch (prog->_LinkedShaders[i]->Type) {
+ case GL_VERTEX_SHADER:
+ _mesa_reference_vertprog(ctx, &prog->VertexProgram,
+ (struct gl_vertex_program *)linked_prog);
+ ok = ctx->Driver.ProgramStringNotify(ctx, GL_VERTEX_PROGRAM_ARB,
+ linked_prog);
+ break;
+ case GL_FRAGMENT_SHADER:
+ _mesa_reference_fragprog(ctx, &prog->FragmentProgram,
+ (struct gl_fragment_program *)linked_prog);
+ ok = ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_PROGRAM_ARB,
+ linked_prog);
+ break;
+ case GL_GEOMETRY_SHADER:
+ _mesa_reference_geomprog(ctx, &prog->GeometryProgram,
+ (struct gl_geometry_program *)linked_prog);
+ ok = ctx->Driver.ProgramStringNotify(ctx, GL_GEOMETRY_PROGRAM_NV,
+ linked_prog);
+ break;
+ }
+ if (!ok) {
+ return GL_FALSE;
+ }
+ }
+
+ _mesa_reference_program(ctx, &linked_prog, NULL);
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Link a GLSL shader program. Called via glLinkProgram().
+ */
+void
+st_glsl_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
+{
+ unsigned int i;
+
+ _mesa_clear_shader_program_data(ctx, prog);
+
+ prog->LinkStatus = GL_TRUE;
+
+ for (i = 0; i < prog->NumShaders; i++) {
+ if (!prog->Shaders[i]->CompileStatus) {
+ fail_link(prog, "linking with uncompiled shader");
+ prog->LinkStatus = GL_FALSE;
+ }
+ }
+
+ prog->Varying = _mesa_new_parameter_list();
+ _mesa_reference_vertprog(ctx, &prog->VertexProgram, NULL);
+ _mesa_reference_fragprog(ctx, &prog->FragmentProgram, NULL);
+ _mesa_reference_geomprog(ctx, &prog->GeometryProgram, NULL);
+
+ if (prog->LinkStatus) {
+ link_shaders(ctx, prog);
+ }
+
+ if (prog->LinkStatus) {
+ if (!ctx->Driver.LinkShader(ctx, prog)) {
+ prog->LinkStatus = GL_FALSE;
+ }
+ }
+
+ set_uniform_initializers(ctx, prog);
+
+ if (ctx->Shader.Flags & GLSL_DUMP) {
+ if (!prog->LinkStatus) {
+ printf("GLSL shader program %d failed to link\n", prog->Name);
+ }
+
+ if (prog->InfoLog && prog->InfoLog[0] != 0) {
+ printf("GLSL shader program %d info log:\n", prog->Name);
+ printf("%s\n", prog->InfoLog);
+ }
+ }
+}
+
+} /* extern "C" */
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.h b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.h
new file mode 100644
index 000000000..d87747178
--- /dev/null
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2011 Bryan Cain
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "main/glheader.h"
+#include "tgsi/tgsi_ureg.h"
+
+struct gl_context;
+struct gl_shader;
+struct gl_shader_program;
+struct glsl_to_tgsi_visitor;
+
+enum pipe_error st_translate_program(
+ struct gl_context *ctx,
+ uint procType,
+ struct ureg_program *ureg,
+ struct glsl_to_tgsi_visitor *program,
+ const struct gl_program *proginfo,
+ GLuint numInputs,
+ const GLuint inputMapping[],
+ const ubyte inputSemanticName[],
+ const ubyte inputSemanticIndex[],
+ const GLuint interpMode[],
+ GLuint numOutputs,
+ const GLuint outputMapping[],
+ const ubyte outputSemanticName[],
+ const ubyte outputSemanticIndex[],
+ boolean passthrough_edgeflags);
+
+void free_glsl_to_tgsi_visitor(struct glsl_to_tgsi_visitor *v);
+void get_pixel_transfer_visitor(struct st_fragment_program *fp,
+ struct glsl_to_tgsi_visitor *original,
+ int scale_and_bias, int pixel_maps);
+void get_bitmap_visitor(struct st_fragment_program *fp,
+ struct glsl_to_tgsi_visitor *original,
+ int samplerIndex);
+
+struct gl_shader *st_new_shader(struct gl_context *ctx, GLuint name, GLuint type);
+
+struct gl_shader_program *
+st_new_shader_program(struct gl_context *ctx, GLuint name);
+
+void st_glsl_link_shader(struct gl_context *ctx, struct gl_shader_program *prog);
+GLboolean st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
index a41e5b16a..656c985d7 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -267,7 +267,7 @@ src_register( struct st_translate *t,
/**
* Map mesa texture target to TGSI texture target.
*/
-static unsigned
+unsigned
translate_texture_target( GLuint textarget,
GLboolean shadow )
{
@@ -511,7 +511,7 @@ static void emit_ddy( struct st_translate *t,
-static unsigned
+unsigned
translate_opcode( unsigned op )
{
switch( op ) {
@@ -1207,7 +1207,7 @@ st_translate_mesa_program(
else
t->constants[i] =
ureg_DECL_immediate( ureg,
- program->Parameters->ParameterValues[i],
+ (const float*) program->Parameters->ParameterValues[i],
4 );
break;
default:
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h
index aa42fc0cc..0dbdf5f61 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h
@@ -1,73 +1,79 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-#ifndef ST_MESA_TO_TGSI_H
-#define ST_MESA_TO_TGSI_H
-
-#if defined __cplusplus
-extern "C" {
-#endif
-
-#include "main/glheader.h"
-
-#include "pipe/p_compiler.h"
-#include "pipe/p_defines.h"
-
-struct gl_context;
-struct gl_program;
-struct tgsi_token;
-struct ureg_program;
-
-
-enum pipe_error
-st_translate_mesa_program(
- struct gl_context *ctx,
- uint procType,
- struct ureg_program *ureg,
- const struct gl_program *program,
- GLuint numInputs,
- const GLuint inputMapping[],
- const ubyte inputSemanticName[],
- const ubyte inputSemanticIndex[],
- const GLuint interpMode[],
- GLuint numOutputs,
- const GLuint outputMapping[],
- const ubyte outputSemanticName[],
- const ubyte outputSemanticIndex[],
- boolean passthrough_edgeflags );
-
-void
-st_free_tokens(const struct tgsi_token *tokens);
-
-
-#if defined __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* ST_MESA_TO_TGSI_H */
-
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef ST_MESA_TO_TGSI_H
+#define ST_MESA_TO_TGSI_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+#include "main/glheader.h"
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h"
+
+struct gl_context;
+struct gl_program;
+struct tgsi_token;
+struct ureg_program;
+
+
+enum pipe_error
+st_translate_mesa_program(
+ struct gl_context *ctx,
+ uint procType,
+ struct ureg_program *ureg,
+ const struct gl_program *program,
+ GLuint numInputs,
+ const GLuint inputMapping[],
+ const ubyte inputSemanticName[],
+ const ubyte inputSemanticIndex[],
+ const GLuint interpMode[],
+ GLuint numOutputs,
+ const GLuint outputMapping[],
+ const ubyte outputSemanticName[],
+ const ubyte outputSemanticIndex[],
+ boolean passthrough_edgeflags );
+
+void
+st_free_tokens(const struct tgsi_token *tokens);
+
+unsigned
+translate_opcode(unsigned op);
+
+unsigned
+translate_texture_target(GLuint textarget, GLboolean shadow);
+
+
+#if defined __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* ST_MESA_TO_TGSI_H */
+
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c
index 132ebdbad..ca01d2e19 100644
--- a/mesalib/src/mesa/state_tracker/st_program.c
+++ b/mesalib/src/mesa/state_tracker/st_program.c
@@ -174,8 +174,8 @@ st_release_gp_variants(struct st_context *st, struct st_geometry_program *stgp)
* \param tokensOut destination for TGSI tokens
* \return pointer to cached pipe_shader object.
*/
-static void
-st_prepare_vertex_program(struct st_context *st,
+void
+st_prepare_vertex_program(struct gl_context *ctx,
struct st_vertex_program *stvp)
{
GLuint attr;
@@ -184,9 +184,10 @@ st_prepare_vertex_program(struct st_context *st,
stvp->num_outputs = 0;
if (stvp->Base.IsPositionInvariant)
- _mesa_insert_mvp_code(st->ctx, &stvp->Base);
+ _mesa_insert_mvp_code(ctx, &stvp->Base);
- assert(stvp->Base.Base.NumInstructions > 1);
+ if (!stvp->glsl_to_tgsi)
+ assert(stvp->Base.Base.NumInstructions > 1);
/*
* Determine number of inputs, the mappings between VERT_ATTRIB_x
@@ -292,10 +293,13 @@ st_translate_vertex_program(struct st_context *st,
enum pipe_error error;
unsigned num_outputs;
- st_prepare_vertex_program( st, stvp );
+ st_prepare_vertex_program(st->ctx, stvp);
- _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
- _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING);
+ if (!stvp->glsl_to_tgsi)
+ {
+ _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
+ _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING);
+ }
ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
if (ureg == NULL) {
@@ -318,22 +322,41 @@ st_translate_vertex_program(struct st_context *st,
debug_printf("\n");
}
- error = st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_VERTEX,
- ureg,
- &stvp->Base.Base,
- /* inputs */
- vpv->num_inputs,
- stvp->input_to_index,
- NULL, /* input semantic name */
- NULL, /* input semantic index */
- NULL,
- /* outputs */
- num_outputs,
- stvp->result_to_output,
- stvp->output_semantic_name,
- stvp->output_semantic_index,
- key->passthrough_edgeflags );
+ if (stvp->glsl_to_tgsi)
+ error = st_translate_program(st->ctx,
+ TGSI_PROCESSOR_VERTEX,
+ ureg,
+ stvp->glsl_to_tgsi,
+ &stvp->Base.Base,
+ /* inputs */
+ stvp->num_inputs,
+ stvp->input_to_index,
+ NULL, /* input semantic name */
+ NULL, /* input semantic index */
+ NULL, /* interp mode */
+ /* outputs */
+ stvp->num_outputs,
+ stvp->result_to_output,
+ stvp->output_semantic_name,
+ stvp->output_semantic_index,
+ key->passthrough_edgeflags );
+ else
+ error = st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_VERTEX,
+ ureg,
+ &stvp->Base.Base,
+ /* inputs */
+ vpv->num_inputs,
+ stvp->input_to_index,
+ NULL, /* input semantic name */
+ NULL, /* input semantic index */
+ NULL,
+ /* outputs */
+ num_outputs,
+ stvp->result_to_output,
+ stvp->output_semantic_name,
+ stvp->output_semantic_index,
+ key->passthrough_edgeflags );
if (error)
goto fail;
@@ -393,6 +416,151 @@ st_get_vp_variant(struct st_context *st,
return vpv;
}
+/**
+ * Translate Mesa fragment shader attributes to TGSI attributes.
+ * \return GL_TRUE if color output should be written to all render targets,
+ * GL_FALSE if not
+ */
+GLboolean
+st_prepare_fragment_program(struct gl_context *ctx,
+ struct st_fragment_program *stfp)
+{
+ GLuint attr;
+ const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
+ GLboolean write_all = GL_FALSE;
+
+ /*
+ * Convert Mesa program inputs to TGSI input register semantics.
+ */
+ for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
+ if (inputsRead & (1 << attr)) {
+ const GLuint slot = stfp->num_inputs++;
+
+ stfp->input_to_index[attr] = slot;
+
+ switch (attr) {
+ case FRAG_ATTRIB_WPOS:
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ stfp->input_semantic_index[slot] = 0;
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ case FRAG_ATTRIB_COL0:
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stfp->input_semantic_index[slot] = 0;
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ case FRAG_ATTRIB_COL1:
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stfp->input_semantic_index[slot] = 1;
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ case FRAG_ATTRIB_FOGC:
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ stfp->input_semantic_index[slot] = 0;
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
+ case FRAG_ATTRIB_FACE:
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
+ stfp->input_semantic_index[slot] = 0;
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_CONSTANT;
+ break;
+ /* In most cases, there is nothing special about these
+ * inputs, so adopt a convention to use the generic
+ * semantic name and the mesa FRAG_ATTRIB_ number as the
+ * index.
+ *
+ * All that is required is that the vertex shader labels
+ * its own outputs similarly, and that the vertex shader
+ * generates at least every output required by the
+ * fragment shader plus fixed-function hardware (such as
+ * BFC).
+ *
+ * There is no requirement that semantic indexes start at
+ * zero or be restricted to a particular range -- nobody
+ * should be building tables based on semantic index.
+ */
+ case FRAG_ATTRIB_PNTC:
+ case FRAG_ATTRIB_TEX0:
+ case FRAG_ATTRIB_TEX1:
+ case FRAG_ATTRIB_TEX2:
+ case FRAG_ATTRIB_TEX3:
+ case FRAG_ATTRIB_TEX4:
+ case FRAG_ATTRIB_TEX5:
+ case FRAG_ATTRIB_TEX6:
+ case FRAG_ATTRIB_TEX7:
+ case FRAG_ATTRIB_VAR0:
+ default:
+ /* Actually, let's try and zero-base this just for
+ * readability of the generated TGSI.
+ */
+ assert(attr >= FRAG_ATTRIB_TEX0);
+ stfp->input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ if (attr == FRAG_ATTRIB_PNTC)
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_LINEAR;
+ else
+ stfp->interp_mode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
+ }
+ }
+ else {
+ stfp->input_to_index[attr] = -1;
+ }
+ }
+
+ /*
+ * Semantics and mapping for outputs
+ */
+ {
+ uint numColors = 0;
+ GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
+
+ /* if z is written, emit that first */
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+ stfp->output_semantic_name[stfp->num_outputs] = TGSI_SEMANTIC_POSITION;
+ stfp->output_semantic_index[stfp->num_outputs] = 0;
+ stfp->result_to_output[FRAG_RESULT_DEPTH] = stfp->num_outputs;
+ stfp->num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
+ }
+
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
+ stfp->output_semantic_name[stfp->num_outputs] = TGSI_SEMANTIC_STENCIL;
+ stfp->output_semantic_index[stfp->num_outputs] = 0;
+ stfp->result_to_output[FRAG_RESULT_STENCIL] = stfp->num_outputs;
+ stfp->num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
+ }
+
+ /* handle remaning outputs (color) */
+ for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
+ if (outputsWritten & BITFIELD64_BIT(attr)) {
+ switch (attr) {
+ case FRAG_RESULT_DEPTH:
+ case FRAG_RESULT_STENCIL:
+ /* handled above */
+ assert(0);
+ break;
+ case FRAG_RESULT_COLOR:
+ write_all = GL_TRUE; /* fallthrough */
+ default:
+ assert(attr == FRAG_RESULT_COLOR ||
+ (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
+ stfp->output_semantic_name[stfp->num_outputs] = TGSI_SEMANTIC_COLOR;
+ stfp->output_semantic_index[stfp->num_outputs] = numColors;
+ stfp->result_to_output[attr] = stfp->num_outputs;
+ numColors++;
+ break;
+ }
+
+ stfp->num_outputs++;
+ }
+ }
+ }
+
+ return write_all;
+}
+
/**
* Translate a Mesa fragment shader into a TGSI shader using extra info in
@@ -445,153 +613,11 @@ st_translate_fragment_program(struct st_context *st,
if (!stfp->tgsi.tokens) {
/* need to translate Mesa instructions to TGSI now */
- GLuint outputMapping[FRAG_RESULT_MAX];
- GLuint inputMapping[FRAG_ATTRIB_MAX];
- GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
- GLuint attr;
- const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
struct ureg_program *ureg;
- GLboolean write_all = GL_FALSE;
-
- ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
- ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
- uint fs_num_inputs = 0;
-
- ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
- ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
- uint fs_num_outputs = 0;
-
-
- _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
-
- /*
- * Convert Mesa program inputs to TGSI input register semantics.
- */
- for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
- if (inputsRead & (1 << attr)) {
- const GLuint slot = fs_num_inputs++;
-
- inputMapping[attr] = slot;
-
- switch (attr) {
- case FRAG_ATTRIB_WPOS:
- input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- case FRAG_ATTRIB_COL0:
- input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- case FRAG_ATTRIB_COL1:
- input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- input_semantic_index[slot] = 1;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- case FRAG_ATTRIB_FOGC:
- input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- break;
- case FRAG_ATTRIB_FACE:
- input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
- break;
- /* In most cases, there is nothing special about these
- * inputs, so adopt a convention to use the generic
- * semantic name and the mesa FRAG_ATTRIB_ number as the
- * index.
- *
- * All that is required is that the vertex shader labels
- * its own outputs similarly, and that the vertex shader
- * generates at least every output required by the
- * fragment shader plus fixed-function hardware (such as
- * BFC).
- *
- * There is no requirement that semantic indexes start at
- * zero or be restricted to a particular range -- nobody
- * should be building tables based on semantic index.
- */
- case FRAG_ATTRIB_PNTC:
- case FRAG_ATTRIB_TEX0:
- case FRAG_ATTRIB_TEX1:
- case FRAG_ATTRIB_TEX2:
- case FRAG_ATTRIB_TEX3:
- case FRAG_ATTRIB_TEX4:
- case FRAG_ATTRIB_TEX5:
- case FRAG_ATTRIB_TEX6:
- case FRAG_ATTRIB_TEX7:
- case FRAG_ATTRIB_VAR0:
- default:
- /* Actually, let's try and zero-base this just for
- * readability of the generated TGSI.
- */
- assert(attr >= FRAG_ATTRIB_TEX0);
- input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
- input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- if (attr == FRAG_ATTRIB_PNTC)
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- else
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- break;
- }
- }
- else {
- inputMapping[attr] = -1;
- }
- }
-
- /*
- * Semantics and mapping for outputs
- */
- {
- uint numColors = 0;
- GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
-
- /* if z is written, emit that first */
- if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION;
- fs_output_semantic_index[fs_num_outputs] = 0;
- outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs;
- fs_num_outputs++;
- outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
- }
-
- if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
- fs_output_semantic_index[fs_num_outputs] = 0;
- outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
- fs_num_outputs++;
- outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
- }
-
- /* handle remaning outputs (color) */
- for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
- if (outputsWritten & BITFIELD64_BIT(attr)) {
- switch (attr) {
- case FRAG_RESULT_DEPTH:
- case FRAG_RESULT_STENCIL:
- /* handled above */
- assert(0);
- break;
- case FRAG_RESULT_COLOR:
- write_all = GL_TRUE; /* fallthrough */
- default:
- assert(attr == FRAG_RESULT_COLOR ||
- (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR;
- fs_output_semantic_index[fs_num_outputs] = numColors;
- outputMapping[attr] = fs_num_outputs;
- numColors++;
- break;
- }
-
- fs_num_outputs++;
- }
- }
- }
+ GLboolean write_all = st_prepare_fragment_program(st->ctx, stfp);
+
+ if (!stfp->glsl_to_tgsi)
+ _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
if (ureg == NULL)
@@ -605,21 +631,39 @@ st_translate_fragment_program(struct st_context *st,
if (write_all == GL_TRUE)
ureg_property_fs_color0_writes_all_cbufs(ureg, 1);
- st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_FRAGMENT,
- ureg,
- &stfp->Base.Base,
- /* inputs */
- fs_num_inputs,
- inputMapping,
- input_semantic_name,
- input_semantic_index,
- interpMode,
- /* outputs */
- fs_num_outputs,
- outputMapping,
- fs_output_semantic_name,
- fs_output_semantic_index, FALSE );
+ if (stfp->glsl_to_tgsi)
+ st_translate_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ stfp->glsl_to_tgsi,
+ &stfp->Base.Base,
+ /* inputs */
+ stfp->num_inputs,
+ stfp->input_to_index,
+ stfp->input_semantic_name,
+ stfp->input_semantic_index,
+ stfp->interp_mode,
+ /* outputs */
+ stfp->num_outputs,
+ stfp->result_to_output,
+ stfp->output_semantic_name,
+ stfp->output_semantic_index, FALSE );
+ else
+ st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ &stfp->Base.Base,
+ /* inputs */
+ stfp->num_inputs,
+ stfp->input_to_index,
+ stfp->input_semantic_name,
+ stfp->input_semantic_index,
+ stfp->interp_mode,
+ /* outputs */
+ stfp->num_outputs,
+ stfp->result_to_output,
+ stfp->output_semantic_name,
+ stfp->output_semantic_index, FALSE );
stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
ureg_destroy( ureg );
diff --git a/mesalib/src/mesa/state_tracker/st_program.h b/mesalib/src/mesa/state_tracker/st_program.h
index a240d4ef4..67723de6d 100644
--- a/mesalib/src/mesa/state_tracker/st_program.h
+++ b/mesalib/src/mesa/state_tracker/st_program.h
@@ -1,300 +1,327 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#ifndef ST_PROGRAM_H
-#define ST_PROGRAM_H
-
-#include "main/mtypes.h"
-#include "program/program.h"
-#include "pipe/p_state.h"
-#include "st_context.h"
-
-
-/** Fragment program variant key */
-struct st_fp_variant_key
-{
- struct st_context *st; /**< variants are per-context */
-
- /** for glBitmap */
- GLuint bitmap:1; /**< glBitmap variant? */
-
- /** for glDrawPixels */
- GLuint drawpixels:1; /**< glDrawPixels variant */
- GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
- GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
- GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */
- GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */
-};
-
-
-/**
- * Variant of a fragment program.
- */
-struct st_fp_variant
-{
- /** Parameters which generated this version of fragment program */
- struct st_fp_variant_key key;
-
- /** Driver's compiled shader */
- void *driver_shader;
-
- /** For glBitmap variants */
- struct gl_program_parameter_list *parameters;
- uint bitmap_sampler;
-
- /** next in linked list */
- struct st_fp_variant *next;
-};
-
-
-/**
- * Derived from Mesa gl_fragment_program:
- */
-struct st_fragment_program
-{
- struct gl_fragment_program Base;
-
- struct pipe_shader_state tgsi;
-
- struct st_fp_variant *variants;
-};
-
-
-
-/** Vertex program variant key */
-struct st_vp_variant_key
-{
- struct st_context *st; /**< variants are per-context */
- boolean passthrough_edgeflags;
-};
-
-
-/**
- * This represents a vertex program, especially translated to match
- * the inputs of a particular fragment shader.
- */
-struct st_vp_variant
-{
- /* Parameters which generated this translated version of a vertex
- * shader:
- */
- struct st_vp_variant_key key;
-
- /**
- * TGSI tokens (to later generate a 'draw' module shader for
- * selection/feedback/rasterpos)
- */
- struct pipe_shader_state tgsi;
-
- /** Driver's compiled shader */
- void *driver_shader;
-
- /** For using our private draw module (glRasterPos) */
- struct draw_vertex_shader *draw_shader;
-
- /** Next in linked list */
- struct st_vp_variant *next;
-
- /** similar to that in st_vertex_program, but with edgeflags info too */
- GLuint num_inputs;
-};
-
-
-/**
- * Derived from Mesa gl_fragment_program:
- */
-struct st_vertex_program
-{
- struct gl_vertex_program Base; /**< The Mesa vertex program */
-
- /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
- GLuint input_to_index[VERT_ATTRIB_MAX];
- /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
- GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
- GLuint num_inputs;
-
- /** Maps VERT_RESULT_x to slot */
- GLuint result_to_output[VERT_RESULT_MAX];
- ubyte output_semantic_name[VERT_RESULT_MAX];
- ubyte output_semantic_index[VERT_RESULT_MAX];
- GLuint num_outputs;
-
- /** List of translated variants of this vertex program.
- */
- struct st_vp_variant *variants;
-};
-
-
-
-/** Geometry program variant key */
-struct st_gp_variant_key
-{
- struct st_context *st; /**< variants are per-context */
- /* no other fields yet */
-};
-
-
-/**
- * Geometry program variant.
- */
-struct st_gp_variant
-{
- /* Parameters which generated this translated version of a vertex */
- struct st_gp_variant_key key;
-
- void *driver_shader;
-
- struct st_gp_variant *next;
-};
-
-
-/**
- * Derived from Mesa gl_geometry_program:
- */
-struct st_geometry_program
-{
- struct gl_geometry_program Base; /**< The Mesa geometry program */
-
- /** map GP input back to VP output */
- GLuint input_map[PIPE_MAX_SHADER_INPUTS];
-
- /** maps a Mesa GEOM_ATTRIB_x to a packed TGSI input index */
- GLuint input_to_index[GEOM_ATTRIB_MAX];
- /** maps a TGSI input index back to a Mesa GEOM_ATTRIB_x */
- GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
-
- GLuint num_inputs;
-
- GLuint input_to_slot[GEOM_ATTRIB_MAX]; /**< Maps GEOM_ATTRIB_x to slot */
- GLuint num_input_slots;
-
- ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
- ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
-
- struct pipe_shader_state tgsi;
-
- struct st_gp_variant *variants;
-};
-
-
-
-static INLINE struct st_fragment_program *
-st_fragment_program( struct gl_fragment_program *fp )
-{
- return (struct st_fragment_program *)fp;
-}
-
-
-static INLINE struct st_vertex_program *
-st_vertex_program( struct gl_vertex_program *vp )
-{
- return (struct st_vertex_program *)vp;
-}
-
-static INLINE struct st_geometry_program *
-st_geometry_program( struct gl_geometry_program *gp )
-{
- return (struct st_geometry_program *)gp;
-}
-
-static INLINE void
-st_reference_vertprog(struct st_context *st,
- struct st_vertex_program **ptr,
- struct st_vertex_program *prog)
-{
- _mesa_reference_program(st->ctx,
- (struct gl_program **) ptr,
- (struct gl_program *) prog);
-}
-
-static INLINE void
-st_reference_geomprog(struct st_context *st,
- struct st_geometry_program **ptr,
- struct st_geometry_program *prog)
-{
- _mesa_reference_program(st->ctx,
- (struct gl_program **) ptr,
- (struct gl_program *) prog);
-}
-
-static INLINE void
-st_reference_fragprog(struct st_context *st,
- struct st_fragment_program **ptr,
- struct st_fragment_program *prog)
-{
- _mesa_reference_program(st->ctx,
- (struct gl_program **) ptr,
- (struct gl_program *) prog);
-}
-
-
-extern struct st_vp_variant *
-st_get_vp_variant(struct st_context *st,
- struct st_vertex_program *stvp,
- const struct st_vp_variant_key *key);
-
-
-extern struct st_fp_variant *
-st_get_fp_variant(struct st_context *st,
- struct st_fragment_program *stfp,
- const struct st_fp_variant_key *key);
-
-
-extern struct st_gp_variant *
-st_get_gp_variant(struct st_context *st,
- struct st_geometry_program *stgp,
- const struct st_gp_variant_key *key);
-
-
-
-extern void
-st_release_vp_variants( struct st_context *st,
- struct st_vertex_program *stvp );
-
-extern void
-st_release_fp_variants( struct st_context *st,
- struct st_fragment_program *stfp );
-
-extern void
-st_release_gp_variants(struct st_context *st,
- struct st_geometry_program *stgp);
-
-
-extern void
-st_print_shaders(struct gl_context *ctx);
-
-extern void
-st_destroy_program_variants(struct st_context *st);
-
-
-#endif
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#ifndef ST_PROGRAM_H
+#define ST_PROGRAM_H
+
+#include "main/mtypes.h"
+#include "program/program.h"
+#include "pipe/p_state.h"
+#include "st_context.h"
+#include "st_glsl_to_tgsi.h"
+
+
+/** Fragment program variant key */
+struct st_fp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+
+ /** for glBitmap */
+ GLuint bitmap:1; /**< glBitmap variant? */
+
+ /** for glDrawPixels */
+ GLuint drawpixels:1; /**< glDrawPixels variant */
+ GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
+ GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
+ GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */
+ GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */
+};
+
+
+/**
+ * Variant of a fragment program.
+ */
+struct st_fp_variant
+{
+ /** Parameters which generated this version of fragment program */
+ struct st_fp_variant_key key;
+
+ /** Driver's compiled shader */
+ void *driver_shader;
+
+ /** For glBitmap variants */
+ struct gl_program_parameter_list *parameters;
+ uint bitmap_sampler;
+
+ /** next in linked list */
+ struct st_fp_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_fragment_program:
+ */
+struct st_fragment_program
+{
+ struct gl_fragment_program Base;
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ /** maps a Mesa FRAG_ATTRIB_x to a packed TGSI input index */
+ GLuint input_to_index[FRAG_ATTRIB_MAX];
+ /** maps a TGSI input index back to a Mesa FRAG_ATTRIB_x */
+ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
+ GLuint num_inputs;
+ GLuint interp_mode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
+
+ /** Maps FRAG_RESULT_x to slot */
+ GLuint result_to_output[FRAG_RESULT_MAX];
+ ubyte output_semantic_name[FRAG_RESULT_MAX];
+ ubyte output_semantic_index[FRAG_RESULT_MAX];
+ GLuint num_outputs;
+
+ struct pipe_shader_state tgsi;
+
+ struct st_fp_variant *variants;
+};
+
+
+
+/** Vertex program variant key */
+struct st_vp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ boolean passthrough_edgeflags;
+};
+
+
+/**
+ * This represents a vertex program, especially translated to match
+ * the inputs of a particular fragment shader.
+ */
+struct st_vp_variant
+{
+ /* Parameters which generated this translated version of a vertex
+ * shader:
+ */
+ struct st_vp_variant_key key;
+
+ /**
+ * TGSI tokens (to later generate a 'draw' module shader for
+ * selection/feedback/rasterpos)
+ */
+ struct pipe_shader_state tgsi;
+
+ /** Driver's compiled shader */
+ void *driver_shader;
+
+ /** For using our private draw module (glRasterPos) */
+ struct draw_vertex_shader *draw_shader;
+
+ /** Next in linked list */
+ struct st_vp_variant *next;
+
+ /** similar to that in st_vertex_program, but with edgeflags info too */
+ GLuint num_inputs;
+};
+
+
+/**
+ * Derived from Mesa gl_fragment_program:
+ */
+struct st_vertex_program
+{
+ struct gl_vertex_program Base; /**< The Mesa vertex program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
+ GLuint input_to_index[VERT_ATTRIB_MAX];
+ /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
+ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
+ GLuint num_inputs;
+
+ /** Maps VERT_RESULT_x to slot */
+ GLuint result_to_output[VERT_RESULT_MAX];
+ ubyte output_semantic_name[VERT_RESULT_MAX];
+ ubyte output_semantic_index[VERT_RESULT_MAX];
+ GLuint num_outputs;
+
+ /** List of translated variants of this vertex program.
+ */
+ struct st_vp_variant *variants;
+};
+
+
+
+/** Geometry program variant key */
+struct st_gp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ /* no other fields yet */
+};
+
+
+/**
+ * Geometry program variant.
+ */
+struct st_gp_variant
+{
+ /* Parameters which generated this translated version of a vertex */
+ struct st_gp_variant_key key;
+
+ void *driver_shader;
+
+ struct st_gp_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_geometry_program:
+ */
+struct st_geometry_program
+{
+ struct gl_geometry_program Base; /**< The Mesa geometry program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ /** map GP input back to VP output */
+ GLuint input_map[PIPE_MAX_SHADER_INPUTS];
+
+ /** maps a Mesa GEOM_ATTRIB_x to a packed TGSI input index */
+ GLuint input_to_index[GEOM_ATTRIB_MAX];
+ /** maps a TGSI input index back to a Mesa GEOM_ATTRIB_x */
+ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
+
+ GLuint num_inputs;
+
+ GLuint input_to_slot[GEOM_ATTRIB_MAX]; /**< Maps GEOM_ATTRIB_x to slot */
+ GLuint num_input_slots;
+
+ ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
+
+ struct pipe_shader_state tgsi;
+
+ struct st_gp_variant *variants;
+};
+
+
+
+static INLINE struct st_fragment_program *
+st_fragment_program( struct gl_fragment_program *fp )
+{
+ return (struct st_fragment_program *)fp;
+}
+
+
+static INLINE struct st_vertex_program *
+st_vertex_program( struct gl_vertex_program *vp )
+{
+ return (struct st_vertex_program *)vp;
+}
+
+static INLINE struct st_geometry_program *
+st_geometry_program( struct gl_geometry_program *gp )
+{
+ return (struct st_geometry_program *)gp;
+}
+
+static INLINE void
+st_reference_vertprog(struct st_context *st,
+ struct st_vertex_program **ptr,
+ struct st_vertex_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static INLINE void
+st_reference_geomprog(struct st_context *st,
+ struct st_geometry_program **ptr,
+ struct st_geometry_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static INLINE void
+st_reference_fragprog(struct st_context *st,
+ struct st_fragment_program **ptr,
+ struct st_fragment_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+
+extern struct st_vp_variant *
+st_get_vp_variant(struct st_context *st,
+ struct st_vertex_program *stvp,
+ const struct st_vp_variant_key *key);
+
+
+extern struct st_fp_variant *
+st_get_fp_variant(struct st_context *st,
+ struct st_fragment_program *stfp,
+ const struct st_fp_variant_key *key);
+
+
+extern struct st_gp_variant *
+st_get_gp_variant(struct st_context *st,
+ struct st_geometry_program *stgp,
+ const struct st_gp_variant_key *key);
+
+
+extern void
+st_prepare_vertex_program(struct gl_context *ctx,
+ struct st_vertex_program *stvp);
+
+extern GLboolean
+st_prepare_fragment_program(struct gl_context *ctx,
+ struct st_fragment_program *stfp);
+
+
+extern void
+st_release_vp_variants( struct st_context *st,
+ struct st_vertex_program *stvp );
+
+extern void
+st_release_fp_variants( struct st_context *st,
+ struct st_fragment_program *stfp );
+
+extern void
+st_release_gp_variants(struct st_context *st,
+ struct st_geometry_program *stgp);
+
+
+extern void
+st_print_shaders(struct gl_context *ctx);
+
+extern void
+st_destroy_program_variants(struct st_context *st);
+
+
+#endif
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 22ec1306c..0e857fddc 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -1,398 +1,418 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include <stdio.h>
-
-#include "st_context.h"
-#include "st_format.h"
-#include "st_texture.h"
-#include "st_cb_fbo.h"
-#include "main/enums.h"
-
-#include "pipe/p_state.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "util/u_format.h"
-#include "util/u_rect.h"
-#include "util/u_math.h"
-
-
-#define DBG if(0) printf
-
-
-/**
- * Allocate a new pipe_resource object
- * width0, height0, depth0 are the dimensions of the level 0 image
- * (the highest resolution). last_level indicates how many mipmap levels
- * to allocate storage for. For non-mipmapped textures, this will be zero.
- */
-struct pipe_resource *
-st_texture_create(struct st_context *st,
- enum pipe_texture_target target,
- enum pipe_format format,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- GLuint layers,
- GLuint bind )
-{
- struct pipe_resource pt, *newtex;
- struct pipe_screen *screen = st->pipe->screen;
-
- assert(target < PIPE_MAX_TEXTURE_TYPES);
- assert(width0 > 0);
- assert(height0 > 0);
- assert(depth0 > 0);
- if (target == PIPE_TEXTURE_CUBE)
- assert(layers == 6);
-
- DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target),
- _mesa_lookup_enum_by_nr(format), last_level);
-
- assert(format);
- assert(screen->is_format_supported(screen, format, target, 0,
- PIPE_BIND_SAMPLER_VIEW));
-
- memset(&pt, 0, sizeof(pt));
- pt.target = target;
- pt.format = format;
- pt.last_level = last_level;
- pt.width0 = width0;
- pt.height0 = height0;
- pt.depth0 = depth0;
- pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
- pt.usage = PIPE_USAGE_DEFAULT;
- pt.bind = bind;
- pt.flags = 0;
-
- newtex = screen->resource_create(screen, &pt);
-
- assert(!newtex || pipe_is_referenced(&newtex->reference));
-
- return newtex;
-}
-
-
-/**
- * In OpenGL the number of 1D array texture layers is the "height" and
- * the number of 2D array texture layers is the "depth". In Gallium the
- * number of layers in an array texture is a separate 'array_size' field.
- * This function converts dimensions from the former to the later.
- */
-void
-st_gl_texture_dims_to_pipe_dims(GLenum texture,
- GLuint widthIn,
- GLuint heightIn,
- GLuint depthIn,
- GLuint *widthOut,
- GLuint *heightOut,
- GLuint *depthOut,
- GLuint *layersOut)
-{
- switch (texture) {
- case GL_TEXTURE_1D:
- assert(heightIn == 1);
- assert(depthIn == 1);
- *widthOut = widthIn;
- *heightOut = 1;
- *depthOut = 1;
- *layersOut = 1;
- break;
- case GL_TEXTURE_1D_ARRAY:
- assert(depthIn == 1);
- *widthOut = widthIn;
- *heightOut = 1;
- *depthOut = 1;
- *layersOut = heightIn;
- break;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_RECTANGLE:
- assert(depthIn == 1);
- *widthOut = widthIn;
- *heightOut = heightIn;
- *depthOut = 1;
- *layersOut = 1;
- break;
- case GL_TEXTURE_CUBE_MAP:
- assert(depthIn == 1);
- *widthOut = widthIn;
- *heightOut = heightIn;
- *depthOut = 1;
- *layersOut = 6;
- break;
- case GL_TEXTURE_2D_ARRAY:
- *widthOut = widthIn;
- *heightOut = heightIn;
- *depthOut = 1;
- *layersOut = depthIn;
- break;
- default:
- assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
- /* fall-through */
- case GL_TEXTURE_3D:
- *widthOut = widthIn;
- *heightOut = heightIn;
- *depthOut = depthIn;
- *layersOut = 1;
- break;
- }
-}
-
-
-/**
- * Check if a texture image can be pulled into a unified mipmap texture.
- */
-GLboolean
-st_texture_match_image(const struct pipe_resource *pt,
- const struct gl_texture_image *image,
- GLuint face, GLuint level)
-{
- GLuint ptWidth, ptHeight, ptDepth, ptLayers;
-
- /* Images with borders are never pulled into mipmap textures.
- */
- if (image->Border)
- return GL_FALSE;
-
- /* Check if this image's format matches the established texture's format.
- */
- if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format)
- return GL_FALSE;
-
- st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
- image->Width, image->Height, image->Depth,
- &ptWidth, &ptHeight, &ptDepth, &ptLayers);
-
- /* Test if this image's size matches what's expected in the
- * established texture.
- */
- if (ptWidth != u_minify(pt->width0, level) ||
- ptHeight != u_minify(pt->height0, level) ||
- ptDepth != u_minify(pt->depth0, level) ||
- ptLayers != pt->array_size)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Map a texture image and return the address for a particular 2D face/slice/
- * layer. The stImage indicates the cube face and mipmap level. The slice
- * of the 3D texture is passed in 'zoffset'.
- * \param usage one of the PIPE_TRANSFER_x values
- * \param x, y, w, h the region of interest of the 2D image.
- * \return address of mapping or NULL if any error
- */
-GLubyte *
-st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
- GLuint zoffset, enum pipe_transfer_usage usage,
- GLuint x, GLuint y, GLuint w, GLuint h)
-{
- struct pipe_context *pipe = st->pipe;
- struct pipe_resource *pt = stImage->pt;
-
- DBG("%s \n", __FUNCTION__);
-
- stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->level,
- stImage->face + zoffset,
- usage, x, y, w, h);
-
- if (stImage->transfer)
- return pipe_transfer_map(pipe, stImage->transfer);
- else
- return NULL;
-}
-
-
-void
-st_texture_image_unmap(struct st_context *st,
- struct st_texture_image *stImage)
-{
- struct pipe_context *pipe = st->pipe;
-
- DBG("%s\n", __FUNCTION__);
-
- pipe_transfer_unmap(pipe, stImage->transfer);
-
- pipe->transfer_destroy(pipe, stImage->transfer);
-}
-
-
-
-/**
- * Upload data to a rectangular sub-region. Lots of choices how to do this:
- *
- * - memcpy by span to current destination
- * - upload data as new buffer and blit
- *
- * Currently always memcpy.
- */
-static void
-st_surface_data(struct pipe_context *pipe,
- struct pipe_transfer *dst,
- unsigned dstx, unsigned dsty,
- const void *src, unsigned src_stride,
- unsigned srcx, unsigned srcy, unsigned width, unsigned height)
-{
- void *map = pipe_transfer_map(pipe, dst);
-
- assert(dst->resource);
- util_copy_rect(map,
- dst->resource->format,
- dst->stride,
- dstx, dsty,
- width, height,
- src, src_stride,
- srcx, srcy);
-
- pipe_transfer_unmap(pipe, dst);
-}
-
-
-/* Upload data for a particular image.
- */
-void
-st_texture_image_data(struct st_context *st,
- struct pipe_resource *dst,
- GLuint face,
- GLuint level,
- void *src,
- GLuint src_row_stride, GLuint src_image_stride)
-{
- struct pipe_context *pipe = st->pipe;
- GLuint i;
- const GLubyte *srcUB = src;
- struct pipe_transfer *dst_transfer;
- GLuint layers;
-
- if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
- dst->target == PIPE_TEXTURE_2D_ARRAY)
- layers = dst->array_size;
- else
- layers = u_minify(dst->depth0, level);
-
- DBG("%s\n", __FUNCTION__);
-
- for (i = 0; i < layers; i++) {
- dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i,
- PIPE_TRANSFER_WRITE, 0, 0,
- u_minify(dst->width0, level),
- u_minify(dst->height0, level));
-
- st_surface_data(pipe, dst_transfer,
- 0, 0, /* dstx, dsty */
- srcUB,
- src_row_stride,
- 0, 0, /* source x, y */
- u_minify(dst->width0, level),
- u_minify(dst->height0, level)); /* width, height */
-
- pipe->transfer_destroy(pipe, dst_transfer);
-
- srcUB += src_image_stride;
- }
-}
-
-
-/**
- * For debug only: get/print center pixel in the src resource.
- */
-static void
-print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src)
-{
- struct pipe_transfer *xfer;
- struct pipe_box region;
- ubyte *map;
-
- region.x = src->width0 / 2;
- region.y = src->height0 / 2;
- region.z = 0;
- region.width = 1;
- region.height = 1;
- region.depth = 1;
-
- xfer = pipe->get_transfer(pipe, src, 0, PIPE_TRANSFER_READ, ®ion);
- map = pipe->transfer_map(pipe, xfer);
-
- printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]);
-
- pipe->transfer_unmap(pipe, xfer);
- pipe->transfer_destroy(pipe, xfer);
-}
-
-
-/**
- * Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'.
- * This is used to copy mipmap images from one texture buffer to another.
- * This typically happens when our initial guess at the total texture size
- * is incorrect (see the guess_and_alloc_texture() function).
- */
-void
-st_texture_image_copy(struct pipe_context *pipe,
- struct pipe_resource *dst, GLuint dstLevel,
- struct pipe_resource *src, GLuint srcLevel,
- GLuint face)
-{
- GLuint width = u_minify(dst->width0, dstLevel);
- GLuint height = u_minify(dst->height0, dstLevel);
- GLuint depth = u_minify(dst->depth0, dstLevel);
- struct pipe_box src_box;
- GLuint i;
-
- assert(u_minify(src->width0, srcLevel) == width);
- assert(u_minify(src->height0, srcLevel) == height);
- assert(u_minify(src->depth0, srcLevel) == depth);
-
- src_box.x = 0;
- src_box.y = 0;
- src_box.width = width;
- src_box.height = height;
- src_box.depth = 1;
- /* Loop over 3D image slices */
- /* could (and probably should) use "true" 3d box here -
- but drivers can't quite handle it yet */
- for (i = face; i < face + depth; i++) {
- src_box.z = i;
-
- if (0) {
- print_center_pixel(pipe, src);
- }
-
- pipe->resource_copy_region(pipe,
- dst,
- dstLevel,
- 0, 0, i,/* destX, Y, Z */
- src,
- srcLevel,
- &src_box);
- }
-}
-
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+
+#include "st_context.h"
+#include "st_format.h"
+#include "st_texture.h"
+#include "st_cb_fbo.h"
+#include "main/enums.h"
+
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_rect.h"
+#include "util/u_math.h"
+
+
+#define DBG if(0) printf
+
+
+/**
+ * Allocate a new pipe_resource object
+ * width0, height0, depth0 are the dimensions of the level 0 image
+ * (the highest resolution). last_level indicates how many mipmap levels
+ * to allocate storage for. For non-mipmapped textures, this will be zero.
+ */
+struct pipe_resource *
+st_texture_create(struct st_context *st,
+ enum pipe_texture_target target,
+ enum pipe_format format,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0,
+ GLuint layers,
+ GLuint bind )
+{
+ struct pipe_resource pt, *newtex;
+ struct pipe_screen *screen = st->pipe->screen;
+
+ assert(target < PIPE_MAX_TEXTURE_TYPES);
+ assert(width0 > 0);
+ assert(height0 > 0);
+ assert(depth0 > 0);
+ if (target == PIPE_TEXTURE_CUBE)
+ assert(layers == 6);
+
+ DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(format), last_level);
+
+ assert(format);
+ assert(screen->is_format_supported(screen, format, target, 0,
+ PIPE_BIND_SAMPLER_VIEW));
+
+ memset(&pt, 0, sizeof(pt));
+ pt.target = target;
+ pt.format = format;
+ pt.last_level = last_level;
+ pt.width0 = width0;
+ pt.height0 = height0;
+ pt.depth0 = depth0;
+ pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
+ pt.usage = PIPE_USAGE_DEFAULT;
+ pt.bind = bind;
+ pt.flags = 0;
+
+ newtex = screen->resource_create(screen, &pt);
+
+ assert(!newtex || pipe_is_referenced(&newtex->reference));
+
+ return newtex;
+}
+
+
+/**
+ * In OpenGL the number of 1D array texture layers is the "height" and
+ * the number of 2D array texture layers is the "depth". In Gallium the
+ * number of layers in an array texture is a separate 'array_size' field.
+ * This function converts dimensions from the former to the later.
+ */
+void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut)
+{
+ switch (texture) {
+ case GL_TEXTURE_1D:
+ assert(heightIn == 1);
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = heightIn;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 6;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = depthIn;
+ break;
+ default:
+ assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
+ /* fall-through */
+ case GL_TEXTURE_3D:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = depthIn;
+ *layersOut = 1;
+ break;
+ }
+}
+
+
+/**
+ * Check if a texture image can be pulled into a unified mipmap texture.
+ */
+GLboolean
+st_texture_match_image(const struct pipe_resource *pt,
+ const struct gl_texture_image *image,
+ GLuint face, GLuint level)
+{
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
+ /* Images with borders are never pulled into mipmap textures.
+ */
+ if (image->Border)
+ return GL_FALSE;
+
+ /* Check if this image's format matches the established texture's format.
+ */
+ if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format)
+ return GL_FALSE;
+
+ st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
+ image->Width, image->Height, image->Depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
+ /* Test if this image's size matches what's expected in the
+ * established texture.
+ */
+ if (ptWidth != u_minify(pt->width0, level) ||
+ ptHeight != u_minify(pt->height0, level) ||
+ ptDepth != u_minify(pt->depth0, level) ||
+ ptLayers != pt->array_size)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Map a texture image and return the address for a particular 2D face/slice/
+ * layer. The stImage indicates the cube face and mipmap level. The slice
+ * of the 3D texture is passed in 'zoffset'.
+ * \param usage one of the PIPE_TRANSFER_x values
+ * \param x, y, w, h the region of interest of the 2D image.
+ * \return address of mapping or NULL if any error
+ */
+GLubyte *
+st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
+ GLuint zoffset, enum pipe_transfer_usage usage,
+ GLuint x, GLuint y, GLuint w, GLuint h)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_resource *pt = stImage->pt;
+
+ DBG("%s \n", __FUNCTION__);
+
+ stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->level,
+ stImage->face + zoffset,
+ usage, x, y, w, h);
+
+ if (stImage->transfer)
+ return pipe_transfer_map(pipe, stImage->transfer);
+ else
+ return NULL;
+}
+
+
+void
+st_texture_image_unmap(struct st_context *st,
+ struct st_texture_image *stImage)
+{
+ struct pipe_context *pipe = st->pipe;
+
+ DBG("%s\n", __FUNCTION__);
+
+ pipe_transfer_unmap(pipe, stImage->transfer);
+
+ pipe->transfer_destroy(pipe, stImage->transfer);
+}
+
+
+
+/**
+ * Upload data to a rectangular sub-region. Lots of choices how to do this:
+ *
+ * - memcpy by span to current destination
+ * - upload data as new buffer and blit
+ *
+ * Currently always memcpy.
+ */
+static void
+st_surface_data(struct pipe_context *pipe,
+ struct pipe_transfer *dst,
+ unsigned dstx, unsigned dsty,
+ const void *src, unsigned src_stride,
+ unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+ void *map = pipe_transfer_map(pipe, dst);
+
+ assert(dst->resource);
+ util_copy_rect(map,
+ dst->resource->format,
+ dst->stride,
+ dstx, dsty,
+ width, height,
+ src, src_stride,
+ srcx, srcy);
+
+ pipe_transfer_unmap(pipe, dst);
+}
+
+
+/* Upload data for a particular image.
+ */
+void
+st_texture_image_data(struct st_context *st,
+ struct pipe_resource *dst,
+ GLuint face,
+ GLuint level,
+ void *src,
+ GLuint src_row_stride, GLuint src_image_stride)
+{
+ struct pipe_context *pipe = st->pipe;
+ GLuint i;
+ const GLubyte *srcUB = src;
+ struct pipe_transfer *dst_transfer;
+ GLuint layers;
+
+ if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
+ dst->target == PIPE_TEXTURE_2D_ARRAY)
+ layers = dst->array_size;
+ else
+ layers = u_minify(dst->depth0, level);
+
+ DBG("%s\n", __FUNCTION__);
+
+ for (i = 0; i < layers; i++) {
+ dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ u_minify(dst->width0, level),
+ u_minify(dst->height0, level));
+
+ st_surface_data(pipe, dst_transfer,
+ 0, 0, /* dstx, dsty */
+ srcUB,
+ src_row_stride,
+ 0, 0, /* source x, y */
+ u_minify(dst->width0, level),
+ u_minify(dst->height0, level)); /* width, height */
+
+ pipe->transfer_destroy(pipe, dst_transfer);
+
+ srcUB += src_image_stride;
+ }
+}
+
+
+/**
+ * For debug only: get/print center pixel in the src resource.
+ */
+static void
+print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src)
+{
+ struct pipe_transfer *xfer;
+ struct pipe_box region;
+ ubyte *map;
+
+ region.x = src->width0 / 2;
+ region.y = src->height0 / 2;
+ region.z = 0;
+ region.width = 1;
+ region.height = 1;
+ region.depth = 1;
+
+ xfer = pipe->get_transfer(pipe, src, 0, PIPE_TRANSFER_READ, ®ion);
+ map = pipe->transfer_map(pipe, xfer);
+
+ printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]);
+
+ pipe->transfer_unmap(pipe, xfer);
+ pipe->transfer_destroy(pipe, xfer);
+}
+
+
+/**
+ * Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'.
+ * This is used to copy mipmap images from one texture buffer to another.
+ * This typically happens when our initial guess at the total texture size
+ * is incorrect (see the guess_and_alloc_texture() function).
+ */
+void
+st_texture_image_copy(struct pipe_context *pipe,
+ struct pipe_resource *dst, GLuint dstLevel,
+ struct pipe_resource *src, GLuint srcLevel,
+ GLuint face)
+{
+ GLuint width = u_minify(dst->width0, dstLevel);
+ GLuint height = u_minify(dst->height0, dstLevel);
+ GLuint depth = u_minify(dst->depth0, dstLevel);
+ struct pipe_box src_box;
+ GLuint i;
+
+ assert(u_minify(src->width0, srcLevel) == width);
+ assert(u_minify(src->height0, srcLevel) == height);
+ assert(u_minify(src->depth0, srcLevel) == depth);
+
+ src_box.x = 0;
+ src_box.y = 0;
+ src_box.width = width;
+ src_box.height = height;
+ src_box.depth = 1;
+ /* Loop over 3D image slices */
+ /* could (and probably should) use "true" 3d box here -
+ but drivers can't quite handle it yet */
+ for (i = face; i < face + depth; i++) {
+ src_box.z = i;
+
+ if (0) {
+ print_center_pixel(pipe, src);
+ }
+
+ pipe->resource_copy_region(pipe,
+ dst,
+ dstLevel,
+ 0, 0, i,/* destX, Y, Z */
+ src,
+ srcLevel,
+ &src_box);
+ }
+}
+
+
+struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_resource *pt;
+ enum pipe_format format;
+ const uint texSize = 256; /* simple, and usually perfect */
+
+ /* find an RGBA texture format */
+ format = st_choose_format(pipe->screen, GL_RGBA, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+
+ /* create texture for color map/table */
+ pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
+ texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
+ return pt;
+}
+
diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h
index d50c3c9af..b822f47cf 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.h
+++ b/mesalib/src/mesa/state_tracker/st_texture.h
@@ -232,4 +232,8 @@ st_texture_image_copy(struct pipe_context *pipe,
struct pipe_resource *src, GLuint srcLevel,
GLuint face);
+
+extern struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx);
+
#endif
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c
index b908d5aea..32ce0e4a8 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_array.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_array.c
@@ -909,11 +909,10 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
if (0)
_mesa_print_arrays(ctx);
-#ifdef DEBUG
/* 'end' was out of bounds, but now let's check the actual array
* indexes to see if any of them are out of bounds.
*/
- {
+ if (0) {
GLuint max = _mesa_max_buffer_index(ctx, count, type, indices,
ctx->Array.ElementArrayBufferObj);
if (max >= ctx->Array.ArrayObj->_MaxElement) {
@@ -934,7 +933,6 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
* upper bound wrong.
*/
}
-#endif
/* Set 'end' to the max possible legal value */
assert(ctx->Array.ArrayObj->_MaxElement >= 1);
--
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