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author | marha <marha@users.sourceforge.net> | 2011-09-09 16:49:03 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-09-09 16:49:03 +0200 |
commit | 05cf7dd22994a1dbfd3580b00690c01c392a5797 (patch) | |
tree | ec1c29b5f8a67c54b13b44f1eb7aa700f91fef9e /mesalib/src/glsl/ir_set_program_inouts.cpp | |
parent | 0947b921a3223c14322f10d83e71618d1724b734 (diff) | |
parent | f9cf11136d65f20aab4fb6d5fc3ec3c59185a0b4 (diff) | |
download | vcxsrv-05cf7dd22994a1dbfd3580b00690c01c392a5797.tar.gz vcxsrv-05cf7dd22994a1dbfd3580b00690c01c392a5797.tar.bz2 vcxsrv-05cf7dd22994a1dbfd3580b00690c01c392a5797.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
mesalib/include/GL/internal/dri_interface.h
mesalib/scons/gallium.py
mesalib/src/glsl/ast_to_hir.cpp
mesalib/src/glsl/glsl_parser_extras.cpp
mesalib/src/glsl/ir_variable.cpp
mesalib/src/glsl/linker.cpp
mesalib/src/mesa/SConscript
mesalib/src/mesa/drivers/common/driverfuncs.c
mesalib/src/mesa/main/compiler.h
mesalib/src/mesa/main/formats.c
mesalib/src/mesa/main/formats.h
mesalib/src/mesa/main/texcompress.c
mesalib/src/mesa/main/texgetimage.c
mesalib/src/mesa/sources.mak
Diffstat (limited to 'mesalib/src/glsl/ir_set_program_inouts.cpp')
-rw-r--r-- | mesalib/src/glsl/ir_set_program_inouts.cpp | 330 |
1 files changed, 164 insertions, 166 deletions
diff --git a/mesalib/src/glsl/ir_set_program_inouts.cpp b/mesalib/src/glsl/ir_set_program_inouts.cpp index c5533c8cd..3b10b9097 100644 --- a/mesalib/src/glsl/ir_set_program_inouts.cpp +++ b/mesalib/src/glsl/ir_set_program_inouts.cpp @@ -1,166 +1,164 @@ -/*
- * Copyright © 2010 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.
- */
-
-/**
- * \file ir_set_program_inouts.cpp
- *
- * Sets the InputsRead and OutputsWritten of Mesa programs.
- *
- * Mesa programs (gl_program, not gl_shader_program) have a set of
- * flags indicating which varyings are read and written. Computing
- * which are actually read from some sort of backend code can be
- * tricky when variable array indexing involved. So this pass
- * provides support for setting InputsRead and OutputsWritten right
- * from the GLSL IR.
- */
-
-extern "C" {
-#include "main/core.h" /* for struct gl_program */
-#include "program/hash_table.h"
-}
-#include "ir.h"
-#include "ir_visitor.h"
-#include "glsl_types.h"
-
-class ir_set_program_inouts_visitor : public ir_hierarchical_visitor {
-public:
- ir_set_program_inouts_visitor(struct gl_program *prog)
- {
- this->prog = prog;
- this->ht = hash_table_ctor(0,
- hash_table_pointer_hash,
- hash_table_pointer_compare);
- }
- ~ir_set_program_inouts_visitor()
- {
- hash_table_dtor(this->ht);
- }
-
- virtual ir_visitor_status visit_enter(ir_dereference_array *);
- virtual ir_visitor_status visit_enter(ir_function_signature *);
- virtual ir_visitor_status visit(ir_dereference_variable *);
- virtual ir_visitor_status visit(ir_variable *);
-
- struct gl_program *prog;
- struct hash_table *ht;
-};
-
-static void
-mark(struct gl_program *prog, ir_variable *var, int offset, int len)
-{
- /* As of GLSL 1.20, varyings can only be floats, floating-point
- * vectors or matrices, or arrays of them. For Mesa programs using
- * InputsRead/OutputsWritten, everything but matrices uses one
- * slot, while matrices use a slot per column. Presumably
- * something doing a more clever packing would use something other
- * than InputsRead/OutputsWritten.
- */
-
- for (int i = 0; i < len; i++) {
- if (var->mode == ir_var_in)
- prog->InputsRead |= BITFIELD64_BIT(var->location + offset + i);
- else if (var->mode == ir_var_system_value)
- prog->SystemValuesRead |= (1 << (var->location + offset + i));
- else
- prog->OutputsWritten |= BITFIELD64_BIT(var->location + offset + i);
- }
-}
-
-/* Default handler: Mark all the locations in the variable as used. */
-ir_visitor_status
-ir_set_program_inouts_visitor::visit(ir_dereference_variable *ir)
-{
- if (hash_table_find(this->ht, ir->var) == NULL)
- return visit_continue;
-
- if (ir->type->is_array()) {
- for (unsigned int i = 0; i < ir->type->length; i++) {
- mark(this->prog, ir->var, i,
- ir->type->length * ir->type->fields.array->matrix_columns);
- }
- } else {
- mark(this->prog, ir->var, 0, ir->type->matrix_columns);
- }
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_set_program_inouts_visitor::visit_enter(ir_dereference_array *ir)
-{
- ir_dereference_variable *deref_var;
- ir_constant *index = ir->array_index->as_constant();
- deref_var = ir->array->as_dereference_variable();
- ir_variable *var = NULL;
-
- /* Check that we're dereferencing a shader in or out */
- if (deref_var)
- var = (ir_variable *)hash_table_find(this->ht, deref_var->var);
-
- if (index && var) {
- int width = 1;
-
- if (deref_var->type->is_array() &&
- deref_var->type->fields.array->is_matrix()) {
- width = deref_var->type->fields.array->matrix_columns;
- }
-
- mark(this->prog, var, index->value.i[0] * width, width);
- return visit_continue_with_parent;
- }
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_set_program_inouts_visitor::visit(ir_variable *ir)
-{
- if (ir->mode == ir_var_in ||
- ir->mode == ir_var_out ||
- ir->mode == ir_var_system_value) {
- hash_table_insert(this->ht, ir, ir);
- }
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_set_program_inouts_visitor::visit_enter(ir_function_signature *ir)
-{
- /* We don't want to descend into the function parameters and
- * consider them as shader inputs or outputs.
- */
- visit_list_elements(this, &ir->body);
- return visit_continue_with_parent;
-}
-
-void
-do_set_program_inouts(exec_list *instructions, struct gl_program *prog)
-{
- ir_set_program_inouts_visitor v(prog);
-
- prog->InputsRead = 0;
- prog->OutputsWritten = 0;
- prog->SystemValuesRead = 0;
- visit_list_elements(&v, instructions);
-}
+/* + * Copyright © 2010 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. + */ + +/** + * \file ir_set_program_inouts.cpp + * + * Sets the InputsRead and OutputsWritten of Mesa programs. + * + * Mesa programs (gl_program, not gl_shader_program) have a set of + * flags indicating which varyings are read and written. Computing + * which are actually read from some sort of backend code can be + * tricky when variable array indexing involved. So this pass + * provides support for setting InputsRead and OutputsWritten right + * from the GLSL IR. + */ + +extern "C" { +#include "main/core.h" /* for struct gl_program */ +#include "program/hash_table.h" +} +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +class ir_set_program_inouts_visitor : public ir_hierarchical_visitor { +public: + ir_set_program_inouts_visitor(struct gl_program *prog) + { + this->prog = prog; + this->ht = hash_table_ctor(0, + hash_table_pointer_hash, + hash_table_pointer_compare); + } + ~ir_set_program_inouts_visitor() + { + hash_table_dtor(this->ht); + } + + virtual ir_visitor_status visit_enter(ir_dereference_array *); + virtual ir_visitor_status visit_enter(ir_function_signature *); + virtual ir_visitor_status visit(ir_dereference_variable *); + virtual ir_visitor_status visit(ir_variable *); + + struct gl_program *prog; + struct hash_table *ht; +}; + +static void +mark(struct gl_program *prog, ir_variable *var, int offset, int len) +{ + /* As of GLSL 1.20, varyings can only be floats, floating-point + * vectors or matrices, or arrays of them. For Mesa programs using + * InputsRead/OutputsWritten, everything but matrices uses one + * slot, while matrices use a slot per column. Presumably + * something doing a more clever packing would use something other + * than InputsRead/OutputsWritten. + */ + + for (int i = 0; i < len; i++) { + if (var->mode == ir_var_in) + prog->InputsRead |= BITFIELD64_BIT(var->location + offset + i); + else if (var->mode == ir_var_system_value) + prog->SystemValuesRead |= (1 << (var->location + offset + i)); + else + prog->OutputsWritten |= BITFIELD64_BIT(var->location + offset + i); + } +} + +/* Default handler: Mark all the locations in the variable as used. */ +ir_visitor_status +ir_set_program_inouts_visitor::visit(ir_dereference_variable *ir) +{ + if (hash_table_find(this->ht, ir->var) == NULL) + return visit_continue; + + if (ir->type->is_array()) { + mark(this->prog, ir->var, 0, + ir->type->length * ir->type->fields.array->matrix_columns); + } else { + mark(this->prog, ir->var, 0, ir->type->matrix_columns); + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit_enter(ir_dereference_array *ir) +{ + ir_dereference_variable *deref_var; + ir_constant *index = ir->array_index->as_constant(); + deref_var = ir->array->as_dereference_variable(); + ir_variable *var = NULL; + + /* Check that we're dereferencing a shader in or out */ + if (deref_var) + var = (ir_variable *)hash_table_find(this->ht, deref_var->var); + + if (index && var) { + int width = 1; + + if (deref_var->type->is_array() && + deref_var->type->fields.array->is_matrix()) { + width = deref_var->type->fields.array->matrix_columns; + } + + mark(this->prog, var, index->value.i[0] * width, width); + return visit_continue_with_parent; + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit(ir_variable *ir) +{ + if (ir->mode == ir_var_in || + ir->mode == ir_var_out || + ir->mode == ir_var_system_value) { + hash_table_insert(this->ht, ir, ir); + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit_enter(ir_function_signature *ir) +{ + /* We don't want to descend into the function parameters and + * consider them as shader inputs or outputs. + */ + visit_list_elements(this, &ir->body); + return visit_continue_with_parent; +} + +void +do_set_program_inouts(exec_list *instructions, struct gl_program *prog) +{ + ir_set_program_inouts_visitor v(prog); + + prog->InputsRead = 0; + prog->OutputsWritten = 0; + prog->SystemValuesRead = 0; + visit_list_elements(&v, instructions); +} |