2 * Copyright © 2008, 2009 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
29 #include "main/core.h" /* for struct gl_context */
34 #include "glsl_parser_extras.h"
35 #include "glsl_parser.h"
36 #include "ir_optimization.h"
37 #include "loop_analysis.h"
39 _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context
*_ctx
,
40 GLenum target
, void *mem_ctx
)
44 case GL_VERTEX_SHADER
: this->target
= vertex_shader
; break;
45 case GL_FRAGMENT_SHADER
: this->target
= fragment_shader
; break;
46 case GL_GEOMETRY_SHADER
: this->target
= geometry_shader
; break;
50 this->translation_unit
.make_empty();
51 this->symbols
= new(mem_ctx
) glsl_symbol_table
;
52 this->info_log
= ralloc_strdup(mem_ctx
, "");
54 this->loop_nesting_ast
= NULL
;
55 this->switch_state
.switch_nesting_ast
= NULL
;
57 this->num_builtins_to_link
= 0;
59 /* Set default language version and extensions */
60 this->language_version
= 110;
61 this->es_shader
= false;
62 this->ARB_texture_rectangle_enable
= true;
64 /* OpenGL ES 2.0 has different defaults from desktop GL. */
65 if (ctx
->API
== API_OPENGLES2
) {
66 this->language_version
= 100;
67 this->es_shader
= true;
68 this->ARB_texture_rectangle_enable
= false;
71 this->extensions
= &ctx
->Extensions
;
73 this->Const
.MaxLights
= ctx
->Const
.MaxLights
;
74 this->Const
.MaxClipPlanes
= ctx
->Const
.MaxClipPlanes
;
75 this->Const
.MaxTextureUnits
= ctx
->Const
.MaxTextureUnits
;
76 this->Const
.MaxTextureCoords
= ctx
->Const
.MaxTextureCoordUnits
;
77 this->Const
.MaxVertexAttribs
= ctx
->Const
.VertexProgram
.MaxAttribs
;
78 this->Const
.MaxVertexUniformComponents
= ctx
->Const
.VertexProgram
.MaxUniformComponents
;
79 this->Const
.MaxVaryingFloats
= ctx
->Const
.MaxVarying
* 4;
80 this->Const
.MaxVertexTextureImageUnits
= ctx
->Const
.MaxVertexTextureImageUnits
;
81 this->Const
.MaxCombinedTextureImageUnits
= ctx
->Const
.MaxCombinedTextureImageUnits
;
82 this->Const
.MaxTextureImageUnits
= ctx
->Const
.MaxTextureImageUnits
;
83 this->Const
.MaxFragmentUniformComponents
= ctx
->Const
.FragmentProgram
.MaxUniformComponents
;
85 this->Const
.MaxDrawBuffers
= ctx
->Const
.MaxDrawBuffers
;
87 /* Note: Once the OpenGL 3.0 'forward compatible' context or the OpenGL 3.2
88 * Core context is supported, this logic will need change. Older versions of
89 * GLSL are no longer supported outside the compatibility contexts of 3.x.
91 this->Const
.GLSL_100ES
= (ctx
->API
== API_OPENGLES2
)
92 || ctx
->Extensions
.ARB_ES2_compatibility
;
93 this->Const
.GLSL_110
= (ctx
->API
== API_OPENGL
);
94 this->Const
.GLSL_120
= (ctx
->API
== API_OPENGL
)
95 && (ctx
->Const
.GLSLVersion
>= 120);
96 this->Const
.GLSL_130
= (ctx
->API
== API_OPENGL
)
97 && (ctx
->Const
.GLSLVersion
>= 130);
98 this->Const
.GLSL_140
= (ctx
->API
== API_OPENGL
)
99 && (ctx
->Const
.GLSLVersion
>= 140);
101 const unsigned lowest_version
=
102 (ctx
->API
== API_OPENGLES2
) || ctx
->Extensions
.ARB_ES2_compatibility
104 const unsigned highest_version
=
105 (ctx
->API
== API_OPENGL
) ? ctx
->Const
.GLSLVersion
: 100;
106 char *supported
= ralloc_strdup(this, "");
108 for (unsigned ver
= lowest_version
; ver
<= highest_version
; ver
+= 10) {
109 const char *const prefix
= (ver
== lowest_version
)
111 : ((ver
== highest_version
) ? ", and " : ", ");
113 ralloc_asprintf_append(& supported
, "%s%d.%02d%s",
115 ver
/ 100, ver
% 100,
116 (ver
== 100) ? " ES" : "");
119 this->supported_version_string
= supported
;
121 if (ctx
->Const
.ForceGLSLExtensionsWarn
)
122 _mesa_glsl_process_extension("all", NULL
, "warn", NULL
, this);
126 _mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target
)
129 case vertex_shader
: return "vertex";
130 case fragment_shader
: return "fragment";
131 case geometry_shader
: return "geometry";
134 assert(!"Should not get here.");
138 /* This helper function will append the given message to the shader's
139 info log and report it via GL_ARB_debug_output. Per that extension,
140 'type' is one of the enum values classifying the message, and
141 'id' is the implementation-defined ID of the given message. */
143 _mesa_glsl_msg(const YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
144 GLenum type
, GLuint id
, const char *fmt
, va_list ap
)
146 bool error
= (type
== GL_DEBUG_TYPE_ERROR_ARB
);
148 assert(state
->info_log
!= NULL
);
150 /* Get the offset that the new message will be written to. */
151 int msg_offset
= strlen(state
->info_log
);
153 ralloc_asprintf_append(&state
->info_log
, "%u:%u(%u): %s: ",
157 error
? "error" : "warning");
158 ralloc_vasprintf_append(&state
->info_log
, fmt
, ap
);
160 const char *const msg
= &state
->info_log
[msg_offset
];
161 struct gl_context
*ctx
= state
->ctx
;
162 /* Report the error via GL_ARB_debug_output. */
164 _mesa_shader_debug(ctx
, type
, id
, msg
, strlen(msg
));
166 ralloc_strcat(&state
->info_log
, "\n");
170 _mesa_glsl_error(YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
171 const char *fmt
, ...)
174 GLenum type
= GL_DEBUG_TYPE_ERROR_ARB
;
179 _mesa_glsl_msg(locp
, state
, type
, SHADER_ERROR_UNKNOWN
, fmt
, ap
);
185 _mesa_glsl_warning(const YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
186 const char *fmt
, ...)
189 GLenum type
= GL_DEBUG_TYPE_OTHER_ARB
;
192 _mesa_glsl_msg(locp
, state
, type
, 0, fmt
, ap
);
198 * Enum representing the possible behaviors that can be specified in
199 * an #extension directive.
209 * Element type for _mesa_glsl_supported_extensions
211 struct _mesa_glsl_extension
{
213 * Name of the extension when referred to in a GLSL extension
218 /** True if this extension is available to vertex shaders */
221 /** True if this extension is available to geometry shaders */
224 /** True if this extension is available to fragment shaders */
227 /** True if this extension is available to desktop GL shaders */
230 /** True if this extension is available to GLES shaders */
234 * Flag in the gl_extensions struct indicating whether this
235 * extension is supported by the driver, or
236 * &gl_extensions::dummy_true if supported by all drivers.
238 * Note: the type (GLboolean gl_extensions::*) is a "pointer to
239 * member" type, the type-safe alternative to the "offsetof" macro.
242 * - foo bar::* p declares p to be an "offset" to a field of type
243 * foo that exists within struct bar
244 * - &bar::baz computes the "offset" of field baz within struct bar
245 * - x.*p accesses the field of x that exists at "offset" p
246 * - x->*p is equivalent to (*x).*p
248 const GLboolean
gl_extensions::* supported_flag
;
251 * Flag in the _mesa_glsl_parse_state struct that should be set
252 * when this extension is enabled.
254 * See note in _mesa_glsl_extension::supported_flag about "pointer
257 bool _mesa_glsl_parse_state::* enable_flag
;
260 * Flag in the _mesa_glsl_parse_state struct that should be set
261 * when the shader requests "warn" behavior for this extension.
263 * See note in _mesa_glsl_extension::supported_flag about "pointer
266 bool _mesa_glsl_parse_state::* warn_flag
;
269 bool compatible_with_state(const _mesa_glsl_parse_state
*state
) const;
270 void set_flags(_mesa_glsl_parse_state
*state
, ext_behavior behavior
) const;
273 #define EXT(NAME, VS, GS, FS, GL, ES, SUPPORTED_FLAG) \
274 { "GL_" #NAME, VS, GS, FS, GL, ES, &gl_extensions::SUPPORTED_FLAG, \
275 &_mesa_glsl_parse_state::NAME##_enable, \
276 &_mesa_glsl_parse_state::NAME##_warn }
279 * Table of extensions that can be enabled/disabled within a shader,
280 * and the conditions under which they are supported.
282 static const _mesa_glsl_extension _mesa_glsl_supported_extensions
[] = {
283 /* target availability API availability */
284 /* name VS GS FS GL ES supported flag */
285 EXT(ARB_conservative_depth
, false, false, true, true, false, ARB_conservative_depth
),
286 EXT(ARB_draw_buffers
, false, false, true, true, false, dummy_true
),
287 EXT(ARB_draw_instanced
, true, false, false, true, false, ARB_draw_instanced
),
288 EXT(ARB_explicit_attrib_location
, true, false, true, true, false, ARB_explicit_attrib_location
),
289 EXT(ARB_fragment_coord_conventions
, true, false, true, true, false, ARB_fragment_coord_conventions
),
290 EXT(ARB_texture_rectangle
, true, false, true, true, false, dummy_true
),
291 EXT(EXT_texture_array
, true, false, true, true, false, EXT_texture_array
),
292 EXT(ARB_shader_texture_lod
, true, false, true, true, false, ARB_shader_texture_lod
),
293 EXT(ARB_shader_stencil_export
, false, false, true, true, false, ARB_shader_stencil_export
),
294 EXT(AMD_conservative_depth
, false, false, true, true, false, ARB_conservative_depth
),
295 EXT(AMD_shader_stencil_export
, false, false, true, true, false, ARB_shader_stencil_export
),
296 EXT(OES_texture_3D
, true, false, true, false, true, EXT_texture3D
),
297 EXT(OES_EGL_image_external
, true, false, true, false, true, OES_EGL_image_external
),
298 EXT(ARB_shader_bit_encoding
, true, true, true, true, false, ARB_shader_bit_encoding
),
299 EXT(ARB_uniform_buffer_object
, true, false, true, true, false, ARB_uniform_buffer_object
),
306 * Determine whether a given extension is compatible with the target,
307 * API, and extension information in the current parser state.
309 bool _mesa_glsl_extension::compatible_with_state(const _mesa_glsl_parse_state
*
312 /* Check that this extension matches the type of shader we are
315 switch (state
->target
) {
317 if (!this->avail_in_VS
) {
321 case geometry_shader
:
322 if (!this->avail_in_GS
) {
326 case fragment_shader
:
327 if (!this->avail_in_FS
) {
332 assert (!"Unrecognized shader target");
336 /* Check that this extension matches whether we are compiling
337 * for desktop GL or GLES.
339 if (state
->es_shader
) {
340 if (!this->avail_in_ES
) return false;
342 if (!this->avail_in_GL
) return false;
345 /* Check that this extension is supported by the OpenGL
348 * Note: the ->* operator indexes into state->extensions by the
349 * offset this->supported_flag. See
350 * _mesa_glsl_extension::supported_flag for more info.
352 return state
->extensions
->*(this->supported_flag
);
356 * Set the appropriate flags in the parser state to establish the
357 * given behavior for this extension.
359 void _mesa_glsl_extension::set_flags(_mesa_glsl_parse_state
*state
,
360 ext_behavior behavior
) const
362 /* Note: the ->* operator indexes into state by the
363 * offsets this->enable_flag and this->warn_flag. See
364 * _mesa_glsl_extension::supported_flag for more info.
366 state
->*(this->enable_flag
) = (behavior
!= extension_disable
);
367 state
->*(this->warn_flag
) = (behavior
== extension_warn
);
371 * Find an extension by name in _mesa_glsl_supported_extensions. If
372 * the name is not found, return NULL.
374 static const _mesa_glsl_extension
*find_extension(const char *name
)
376 for (unsigned i
= 0; i
< Elements(_mesa_glsl_supported_extensions
); ++i
) {
377 if (strcmp(name
, _mesa_glsl_supported_extensions
[i
].name
) == 0) {
378 return &_mesa_glsl_supported_extensions
[i
];
386 _mesa_glsl_process_extension(const char *name
, YYLTYPE
*name_locp
,
387 const char *behavior_string
, YYLTYPE
*behavior_locp
,
388 _mesa_glsl_parse_state
*state
)
390 ext_behavior behavior
;
391 if (strcmp(behavior_string
, "warn") == 0) {
392 behavior
= extension_warn
;
393 } else if (strcmp(behavior_string
, "require") == 0) {
394 behavior
= extension_require
;
395 } else if (strcmp(behavior_string
, "enable") == 0) {
396 behavior
= extension_enable
;
397 } else if (strcmp(behavior_string
, "disable") == 0) {
398 behavior
= extension_disable
;
400 _mesa_glsl_error(behavior_locp
, state
,
401 "Unknown extension behavior `%s'",
406 if (strcmp(name
, "all") == 0) {
407 if ((behavior
== extension_enable
) || (behavior
== extension_require
)) {
408 _mesa_glsl_error(name_locp
, state
, "Cannot %s all extensions",
409 (behavior
== extension_enable
)
410 ? "enable" : "require");
414 i
< Elements(_mesa_glsl_supported_extensions
); ++i
) {
415 const _mesa_glsl_extension
*extension
416 = &_mesa_glsl_supported_extensions
[i
];
417 if (extension
->compatible_with_state(state
)) {
418 _mesa_glsl_supported_extensions
[i
].set_flags(state
, behavior
);
423 const _mesa_glsl_extension
*extension
= find_extension(name
);
424 if (extension
&& extension
->compatible_with_state(state
)) {
425 extension
->set_flags(state
, behavior
);
427 static const char *const fmt
= "extension `%s' unsupported in %s shader";
429 if (behavior
== extension_require
) {
430 _mesa_glsl_error(name_locp
, state
, fmt
,
431 name
, _mesa_glsl_shader_target_name(state
->target
));
434 _mesa_glsl_warning(name_locp
, state
, fmt
,
435 name
, _mesa_glsl_shader_target_name(state
->target
));
444 _mesa_ast_type_qualifier_print(const struct ast_type_qualifier
*q
)
446 if (q
->flags
.q
.constant
)
449 if (q
->flags
.q
.invariant
)
450 printf("invariant ");
452 if (q
->flags
.q
.attribute
)
453 printf("attribute ");
455 if (q
->flags
.q
.varying
)
458 if (q
->flags
.q
.in
&& q
->flags
.q
.out
)
468 if (q
->flags
.q
.centroid
)
470 if (q
->flags
.q
.uniform
)
472 if (q
->flags
.q
.smooth
)
476 if (q
->flags
.q
.noperspective
)
477 printf("noperspective ");
482 ast_node::print(void) const
484 printf("unhandled node ");
488 ast_node::ast_node(void)
490 this->location
.source
= 0;
491 this->location
.line
= 0;
492 this->location
.column
= 0;
497 ast_opt_array_size_print(bool is_array
, const ast_expression
*array_size
)
511 ast_compound_statement::print(void) const
515 foreach_list_const(n
, &this->statements
) {
516 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
524 ast_compound_statement::ast_compound_statement(int new_scope
,
525 ast_node
*statements
)
527 this->new_scope
= new_scope
;
529 if (statements
!= NULL
) {
530 this->statements
.push_degenerate_list_at_head(&statements
->link
);
536 ast_expression::print(void) const
550 subexpressions
[0]->print();
551 printf("%s ", operator_string(oper
));
552 subexpressions
[1]->print();
555 case ast_field_selection
:
556 subexpressions
[0]->print();
557 printf(". %s ", primary_expression
.identifier
);
566 printf("%s ", operator_string(oper
));
567 subexpressions
[0]->print();
572 subexpressions
[0]->print();
573 printf("%s ", operator_string(oper
));
576 case ast_conditional
:
577 subexpressions
[0]->print();
579 subexpressions
[1]->print();
581 subexpressions
[2]->print();
584 case ast_array_index
:
585 subexpressions
[0]->print();
587 subexpressions
[1]->print();
591 case ast_function_call
: {
592 subexpressions
[0]->print();
595 foreach_list_const (n
, &this->expressions
) {
596 if (n
!= this->expressions
.get_head())
599 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
608 printf("%s ", primary_expression
.identifier
);
611 case ast_int_constant
:
612 printf("%d ", primary_expression
.int_constant
);
615 case ast_uint_constant
:
616 printf("%u ", primary_expression
.uint_constant
);
619 case ast_float_constant
:
620 printf("%f ", primary_expression
.float_constant
);
623 case ast_bool_constant
:
625 primary_expression
.bool_constant
631 foreach_list_const(n
, & this->expressions
) {
632 if (n
!= this->expressions
.get_head())
635 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
648 ast_expression::ast_expression(int oper
,
653 this->oper
= ast_operators(oper
);
654 this->subexpressions
[0] = ex0
;
655 this->subexpressions
[1] = ex1
;
656 this->subexpressions
[2] = ex2
;
657 this->non_lvalue_description
= NULL
;
662 ast_expression_statement::print(void) const
671 ast_expression_statement::ast_expression_statement(ast_expression
*ex
) :
679 ast_function::print(void) const
681 return_type
->print();
682 printf(" %s (", identifier
);
684 foreach_list_const(n
, & this->parameters
) {
685 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
693 ast_function::ast_function(void)
694 : is_definition(false), signature(NULL
)
701 ast_fully_specified_type::print(void) const
703 _mesa_ast_type_qualifier_print(& qualifier
);
709 ast_parameter_declarator::print(void) const
713 printf("%s ", identifier
);
714 ast_opt_array_size_print(is_array
, array_size
);
719 ast_function_definition::print(void) const
727 ast_declaration::print(void) const
729 printf("%s ", identifier
);
730 ast_opt_array_size_print(is_array
, array_size
);
734 initializer
->print();
739 ast_declaration::ast_declaration(const char *identifier
, int is_array
,
740 ast_expression
*array_size
,
741 ast_expression
*initializer
)
743 this->identifier
= identifier
;
744 this->is_array
= is_array
;
745 this->array_size
= array_size
;
746 this->initializer
= initializer
;
751 ast_declarator_list::print(void) const
753 assert(type
|| invariant
);
758 printf("invariant ");
760 foreach_list_const (ptr
, & this->declarations
) {
761 if (ptr
!= this->declarations
.get_head())
764 ast_node
*ast
= exec_node_data(ast_node
, ptr
, link
);
772 ast_declarator_list::ast_declarator_list(ast_fully_specified_type
*type
)
775 this->invariant
= false;
779 ast_jump_statement::print(void) const
783 printf("continue; ");
790 if (opt_return_value
)
791 opt_return_value
->print();
802 ast_jump_statement::ast_jump_statement(int mode
, ast_expression
*return_value
)
804 this->mode
= ast_jump_modes(mode
);
806 if (mode
== ast_return
)
807 opt_return_value
= return_value
;
812 ast_selection_statement::print(void) const
818 then_statement
->print();
820 if (else_statement
) {
822 else_statement
->print();
828 ast_selection_statement::ast_selection_statement(ast_expression
*condition
,
829 ast_node
*then_statement
,
830 ast_node
*else_statement
)
832 this->condition
= condition
;
833 this->then_statement
= then_statement
;
834 this->else_statement
= else_statement
;
839 ast_switch_statement::print(void) const
842 test_expression
->print();
849 ast_switch_statement::ast_switch_statement(ast_expression
*test_expression
,
852 this->test_expression
= test_expression
;
858 ast_switch_body::print(void) const
868 ast_switch_body::ast_switch_body(ast_case_statement_list
*stmts
)
874 void ast_case_label::print(void) const
876 if (test_value
!= NULL
) {
886 ast_case_label::ast_case_label(ast_expression
*test_value
)
888 this->test_value
= test_value
;
892 void ast_case_label_list::print(void) const
894 foreach_list_const(n
, & this->labels
) {
895 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
902 ast_case_label_list::ast_case_label_list(void)
907 void ast_case_statement::print(void) const
910 foreach_list_const(n
, & this->stmts
) {
911 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
918 ast_case_statement::ast_case_statement(ast_case_label_list
*labels
)
920 this->labels
= labels
;
924 void ast_case_statement_list::print(void) const
926 foreach_list_const(n
, & this->cases
) {
927 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
933 ast_case_statement_list::ast_case_statement_list(void)
939 ast_iteration_statement::print(void) const
945 init_statement
->print();
953 rest_expression
->print();
979 ast_iteration_statement::ast_iteration_statement(int mode
,
982 ast_expression
*rest_expression
,
985 this->mode
= ast_iteration_modes(mode
);
986 this->init_statement
= init
;
987 this->condition
= condition
;
988 this->rest_expression
= rest_expression
;
994 ast_struct_specifier::print(void) const
996 printf("struct %s { ", name
);
997 foreach_list_const(n
, &this->declarations
) {
998 ast_node
*ast
= exec_node_data(ast_node
, n
, link
);
1005 ast_struct_specifier::ast_struct_specifier(const char *identifier
,
1006 ast_declarator_list
*declarator_list
)
1008 if (identifier
== NULL
) {
1009 static unsigned anon_count
= 1;
1010 identifier
= ralloc_asprintf(this, "#anon_struct_%04x", anon_count
);
1014 this->declarations
.push_degenerate_list_at_head(&declarator_list
->link
);
1018 * Do the set of common optimizations passes
1020 * \param ir List of instructions to be optimized
1021 * \param linked Is the shader linked? This enables
1022 * optimizations passes that remove code at
1023 * global scope and could cause linking to
1025 * \param uniform_locations_assigned Have locations already been assigned for
1026 * uniforms? This prevents the declarations
1027 * of unused uniforms from being removed.
1028 * The setting of this flag only matters if
1029 * \c linked is \c true.
1030 * \param max_unroll_iterations Maximum number of loop iterations to be
1031 * unrolled. Setting to 0 forces all loops
1035 do_common_optimization(exec_list
*ir
, bool linked
,
1036 bool uniform_locations_assigned
,
1037 unsigned max_unroll_iterations
)
1039 GLboolean progress
= GL_FALSE
;
1041 progress
= lower_instructions(ir
, SUB_TO_ADD_NEG
) || progress
;
1044 progress
= do_function_inlining(ir
) || progress
;
1045 progress
= do_dead_functions(ir
) || progress
;
1046 progress
= do_structure_splitting(ir
) || progress
;
1048 progress
= do_if_simplification(ir
) || progress
;
1049 progress
= do_copy_propagation(ir
) || progress
;
1050 progress
= do_copy_propagation_elements(ir
) || progress
;
1052 progress
= do_dead_code(ir
, uniform_locations_assigned
) || progress
;
1054 progress
= do_dead_code_unlinked(ir
) || progress
;
1055 progress
= do_dead_code_local(ir
) || progress
;
1056 progress
= do_tree_grafting(ir
) || progress
;
1057 progress
= do_constant_propagation(ir
) || progress
;
1059 progress
= do_constant_variable(ir
) || progress
;
1061 progress
= do_constant_variable_unlinked(ir
) || progress
;
1062 progress
= do_constant_folding(ir
) || progress
;
1063 progress
= do_algebraic(ir
) || progress
;
1064 progress
= do_lower_jumps(ir
) || progress
;
1065 progress
= do_vec_index_to_swizzle(ir
) || progress
;
1066 progress
= do_swizzle_swizzle(ir
) || progress
;
1067 progress
= do_noop_swizzle(ir
) || progress
;
1069 progress
= optimize_split_arrays(ir
, linked
) || progress
;
1070 progress
= optimize_redundant_jumps(ir
) || progress
;
1072 loop_state
*ls
= analyze_loop_variables(ir
);
1073 if (ls
->loop_found
) {
1074 progress
= set_loop_controls(ir
, ls
) || progress
;
1075 progress
= unroll_loops(ir
, ls
, max_unroll_iterations
) || progress
;
1085 * To be called at GL teardown time, this frees compiler datastructures.
1087 * After calling this, any previously compiled shaders and shader
1088 * programs would be invalid. So this should happen at approximately
1092 _mesa_destroy_shader_compiler(void)
1094 _mesa_destroy_shader_compiler_caches();
1096 _mesa_glsl_release_types();
1100 * Releases compiler caches to trade off performance for memory.
1102 * Intended to be used with glReleaseShaderCompiler().
1105 _mesa_destroy_shader_compiler_caches(void)
1107 _mesa_glsl_release_functions();