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authormarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
committermarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
commit85ef9930f56bf15181f9a0b238f03d55303cf411 (patch)
tree63b43286956ebd1c35c96e9b3d5305aabdf71a0f /mesalib/src/mesa/shader/program_parser.h
parent94810d19989336862251dbf69c3f3acb18a9b06d (diff)
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Updated to mesalib 7.9
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-rw-r--r--mesalib/src/mesa/shader/program_parser.h302
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diff --git a/mesalib/src/mesa/shader/program_parser.h b/mesalib/src/mesa/shader/program_parser.h
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-/*
- * Copyright © 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.
- */
-#pragma once
-
-#include "main/config.h"
-
-#ifndef MTYPES_H
-struct __GLcontextRec;
-typedef struct __GLcontextRec GLcontext;
-#endif
-
-enum asm_type {
- at_none,
- at_address,
- at_attrib,
- at_param,
- at_temp,
- at_output
-};
-
-struct asm_symbol {
- struct asm_symbol *next; /**< List linkage for freeing. */
- const char *name;
- enum asm_type type;
- unsigned attrib_binding;
- unsigned output_binding; /**< Output / result register number. */
-
- /**
- * One of PROGRAM_STATE_VAR, PROGRAM_LOCAL_PARAM, or PROGRAM_ENV_PARAM.
- */
- unsigned param_binding_type;
-
- /**
- * Offset into the program_parameter_list where the tokens representing our
- * bound state (or constants) start.
- */
- unsigned param_binding_begin;
-
- /**
- * Constants put into the parameter list may be swizzled. This
- * field contain's the symbol's swizzle. (SWIZZLE_X/Y/Z/W)
- */
- unsigned param_binding_swizzle;
-
- /* This is how many entries in the program_parameter_list we take up
- * with our state tokens or constants. Note that this is _not_ the same as
- * the number of param registers we eventually use.
- */
- unsigned param_binding_length;
-
- /**
- * Index of the temp register assigned to this variable.
- */
- unsigned temp_binding;
-
- /**
- * Flag whether or not a PARAM is an array
- */
- unsigned param_is_array:1;
-
-
- /**
- * Flag whether or not a PARAM array is accessed indirectly
- */
- unsigned param_accessed_indirectly:1;
-
-
- /**
- * \brief Is first pass of parameter layout done with this variable?
- *
- * The parameter layout routine operates in two passes. This flag tracks
- * whether or not the first pass has handled this variable.
- *
- * \sa _mesa_layout_parameters
- */
- unsigned pass1_done:1;
-};
-
-
-struct asm_vector {
- unsigned count;
- float data[4];
-};
-
-
-struct asm_swizzle_mask {
- unsigned swizzle:12;
- unsigned mask:4;
-};
-
-
-struct asm_src_register {
- struct prog_src_register Base;
-
- /**
- * Symbol associated with indirect access to parameter arrays.
- *
- * If \c Base::RelAddr is 1, this will point to the symbol for the parameter
- * that is being dereferenced. Further, \c Base::Index will be the offset
- * from the address register being used.
- */
- struct asm_symbol *Symbol;
-};
-
-
-struct asm_instruction {
- struct prog_instruction Base;
- struct asm_instruction *next;
- struct asm_src_register SrcReg[3];
-};
-
-
-struct asm_parser_state {
- GLcontext *ctx;
- struct gl_program *prog;
-
- /**
- * Per-program target limits
- */
- struct gl_program_constants *limits;
-
- struct _mesa_symbol_table *st;
-
- /**
- * Linked list of symbols
- *
- * This list is \b only used when cleaning up compiler state and freeing
- * memory.
- */
- struct asm_symbol *sym;
-
- /**
- * State for the lexer.
- */
- void *scanner;
-
- /**
- * Linked list of instructions generated during parsing.
- */
- /*@{*/
- struct asm_instruction *inst_head;
- struct asm_instruction *inst_tail;
- /*@}*/
-
-
- /**
- * Selected limits copied from gl_constants
- *
- * These are limits from the GL context, but various bits in the program
- * must be validated against these values.
- */
- /*@{*/
- unsigned MaxTextureCoordUnits;
- unsigned MaxTextureImageUnits;
- unsigned MaxTextureUnits;
- unsigned MaxClipPlanes;
- unsigned MaxLights;
- unsigned MaxProgramMatrices;
- /*@}*/
-
- /**
- * Value to use in state vector accessors for environment and local
- * parameters
- */
- unsigned state_param_enum;
-
-
- /**
- * Input attributes bound to specific names
- *
- * This is only needed so that errors can be properly produced when
- * multiple ATTRIB statements bind illegal combinations of vertex
- * attributes.
- */
- unsigned InputsBound;
-
- enum {
- invalid_mode = 0,
- ARB_vertex,
- ARB_fragment
- } mode;
-
- struct {
- unsigned PositionInvariant:1;
- unsigned Fog:2;
- unsigned PrecisionHint:2;
- unsigned DrawBuffers:1;
- unsigned Shadow:1;
- unsigned TexRect:1;
- unsigned TexArray:1;
- unsigned NV_fragment:1;
- unsigned OriginUpperLeft:1;
- unsigned PixelCenterInteger:1;
- } option;
-
- struct {
- unsigned UsesKill:1;
- } fragment;
-};
-
-#define OPTION_NONE 0
-#define OPTION_FOG_EXP 1
-#define OPTION_FOG_EXP2 2
-#define OPTION_FOG_LINEAR 3
-#define OPTION_NICEST 1
-#define OPTION_FASTEST 2
-
-typedef struct YYLTYPE {
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- int position;
-} YYLTYPE;
-
-#define YYLTYPE_IS_DECLARED 1
-#define YYLTYPE_IS_TRIVIAL 1
-
-
-extern GLboolean _mesa_parse_arb_program(GLcontext *ctx, GLenum target,
- const GLubyte *str, GLsizei len, struct asm_parser_state *state);
-
-
-
-/* From program_lexer.l. */
-extern void _mesa_program_lexer_dtor(void *scanner);
-
-extern void _mesa_program_lexer_ctor(void **scanner,
- struct asm_parser_state *state, const char *string, size_t len);
-
-
-/**
- *\name From program_parse_extra.c
- */
-/*@{*/
-
-/**
- * Parses and processes an option string to an ARB vertex program
- *
- * \return
- * Non-zero on success, zero on failure.
- */
-extern int _mesa_ARBvp_parse_option(struct asm_parser_state *state,
- const char *option);
-
-/**
- * Parses and processes an option string to an ARB fragment program
- *
- * \return
- * Non-zero on success, zero on failure.
- */
-extern int _mesa_ARBfp_parse_option(struct asm_parser_state *state,
- const char *option);
-
-/**
- * Parses and processes instruction suffixes
- *
- * Instruction suffixes, such as \c _SAT, are processed. The relevant bits
- * are set in \c inst. If suffixes are encountered that are either not known
- * or not supported by the modes and options set in \c state, zero will be
- * returned.
- *
- * \return
- * Non-zero on success, zero on failure.
- */
-extern int _mesa_parse_instruction_suffix(const struct asm_parser_state *state,
- const char *suffix, struct prog_instruction *inst);
-
-/**
- * Parses a condition code name
- *
- * The condition code names (e.g., \c LT, \c GT, \c NE) were added to assembly
- * shaders with the \c GL_NV_fragment_program_option extension. This function
- * converts a string representation into one of the \c COND_ macros.
- *
- * \return
- * One of the \c COND_ macros defined in prog_instruction.h on success or zero
- * on failure.
- */
-extern int _mesa_parse_cc(const char *s);
-
-/*@}*/