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.
28 #include "main/core.h" /* for struct gl_context */
29 #include "main/context.h"
30 #include "main/shaderobj.h"
31 #include "util/u_atomic.h" /* for p_atomic_cmpxchg */
32 #include "util/ralloc.h"
34 #include "glsl_parser_extras.h"
35 #include "glsl_parser.h"
36 #include "ir_optimization.h"
37 #include "loop_analysis.h"
40 * Format a short human-readable description of the given GLSL version.
43 glsl_compute_version_string(void *mem_ctx
, bool is_es
, unsigned version
)
45 return ralloc_asprintf(mem_ctx
, "GLSL%s %d.%02d", is_es
? " ES" : "",
46 version
/ 100, version
% 100);
50 static const unsigned known_desktop_glsl_versions
[] =
51 { 110, 120, 130, 140, 150, 330, 400, 410, 420, 430, 440, 450 };
54 _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context
*_ctx
,
55 gl_shader_stage stage
,
57 : ctx(_ctx
), cs_input_local_size_specified(false), cs_input_local_size(),
60 assert(stage
< MESA_SHADER_STAGES
);
64 this->translation_unit
.make_empty();
65 this->symbols
= new(mem_ctx
) glsl_symbol_table
;
67 this->info_log
= ralloc_strdup(mem_ctx
, "");
69 this->loop_nesting_ast
= NULL
;
71 this->struct_specifier_depth
= 0;
73 this->uses_builtin_functions
= false;
75 /* Set default language version and extensions */
76 this->language_version
= 110;
77 this->forced_language_version
= ctx
->Const
.ForceGLSLVersion
;
78 this->es_shader
= false;
79 this->ARB_texture_rectangle_enable
= true;
81 /* OpenGL ES 2.0 has different defaults from desktop GL. */
82 if (ctx
->API
== API_OPENGLES2
) {
83 this->language_version
= 100;
84 this->es_shader
= true;
85 this->ARB_texture_rectangle_enable
= false;
88 this->extensions
= &ctx
->Extensions
;
90 this->ARB_compute_shader_enable
= true;
92 this->Const
.MaxLights
= ctx
->Const
.MaxLights
;
93 this->Const
.MaxClipPlanes
= ctx
->Const
.MaxClipPlanes
;
94 this->Const
.MaxTextureUnits
= ctx
->Const
.MaxTextureUnits
;
95 this->Const
.MaxTextureCoords
= ctx
->Const
.MaxTextureCoordUnits
;
96 this->Const
.MaxVertexAttribs
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
;
97 this->Const
.MaxVertexUniformComponents
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
;
98 this->Const
.MaxVertexTextureImageUnits
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
;
99 this->Const
.MaxCombinedTextureImageUnits
= ctx
->Const
.MaxCombinedTextureImageUnits
;
100 this->Const
.MaxTextureImageUnits
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
;
101 this->Const
.MaxFragmentUniformComponents
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
;
102 this->Const
.MinProgramTexelOffset
= ctx
->Const
.MinProgramTexelOffset
;
103 this->Const
.MaxProgramTexelOffset
= ctx
->Const
.MaxProgramTexelOffset
;
105 this->Const
.MaxDrawBuffers
= ctx
->Const
.MaxDrawBuffers
;
108 this->Const
.MaxVertexOutputComponents
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
109 this->Const
.MaxGeometryInputComponents
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxInputComponents
;
110 this->Const
.MaxGeometryOutputComponents
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxOutputComponents
;
111 this->Const
.MaxFragmentInputComponents
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
;
112 this->Const
.MaxGeometryTextureImageUnits
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxTextureImageUnits
;
113 this->Const
.MaxGeometryOutputVertices
= ctx
->Const
.MaxGeometryOutputVertices
;
114 this->Const
.MaxGeometryTotalOutputComponents
= ctx
->Const
.MaxGeometryTotalOutputComponents
;
115 this->Const
.MaxGeometryUniformComponents
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxUniformComponents
;
117 this->Const
.MaxVertexAtomicCounters
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAtomicCounters
;
118 this->Const
.MaxGeometryAtomicCounters
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxAtomicCounters
;
119 this->Const
.MaxFragmentAtomicCounters
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxAtomicCounters
;
120 this->Const
.MaxCombinedAtomicCounters
= ctx
->Const
.MaxCombinedAtomicCounters
;
121 this->Const
.MaxAtomicBufferBindings
= ctx
->Const
.MaxAtomicBufferBindings
;
122 this->Const
.MaxVertexAtomicCounterBuffers
=
123 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAtomicBuffers
;
124 this->Const
.MaxGeometryAtomicCounterBuffers
=
125 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxAtomicBuffers
;
126 this->Const
.MaxFragmentAtomicCounterBuffers
=
127 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxAtomicBuffers
;
128 this->Const
.MaxCombinedAtomicCounterBuffers
=
129 ctx
->Const
.MaxCombinedAtomicBuffers
;
130 this->Const
.MaxAtomicCounterBufferSize
=
131 ctx
->Const
.MaxAtomicBufferSize
;
133 /* Compute shader constants */
134 for (unsigned i
= 0; i
< ARRAY_SIZE(this->Const
.MaxComputeWorkGroupCount
); i
++)
135 this->Const
.MaxComputeWorkGroupCount
[i
] = ctx
->Const
.MaxComputeWorkGroupCount
[i
];
136 for (unsigned i
= 0; i
< ARRAY_SIZE(this->Const
.MaxComputeWorkGroupSize
); i
++)
137 this->Const
.MaxComputeWorkGroupSize
[i
] = ctx
->Const
.MaxComputeWorkGroupSize
[i
];
139 this->Const
.MaxImageUnits
= ctx
->Const
.MaxImageUnits
;
140 this->Const
.MaxCombinedImageUnitsAndFragmentOutputs
= ctx
->Const
.MaxCombinedImageUnitsAndFragmentOutputs
;
141 this->Const
.MaxImageSamples
= ctx
->Const
.MaxImageSamples
;
142 this->Const
.MaxVertexImageUniforms
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxImageUniforms
;
143 this->Const
.MaxGeometryImageUniforms
= ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxImageUniforms
;
144 this->Const
.MaxFragmentImageUniforms
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxImageUniforms
;
145 this->Const
.MaxCombinedImageUniforms
= ctx
->Const
.MaxCombinedImageUniforms
;
147 /* ARB_viewport_array */
148 this->Const
.MaxViewports
= ctx
->Const
.MaxViewports
;
150 this->current_function
= NULL
;
151 this->toplevel_ir
= NULL
;
152 this->found_return
= false;
153 this->all_invariant
= false;
154 this->user_structures
= NULL
;
155 this->num_user_structures
= 0;
157 /* supported_versions should be large enough to support the known desktop
158 * GLSL versions plus 3 GLES versions (ES 1.00, ES 3.00, and ES 3.10))
160 STATIC_ASSERT((ARRAY_SIZE(known_desktop_glsl_versions
) + 3) ==
161 ARRAY_SIZE(this->supported_versions
));
163 /* Populate the list of supported GLSL versions */
164 /* FINISHME: Once the OpenGL 3.0 'forward compatible' context or
165 * the OpenGL 3.2 Core context is supported, this logic will need
166 * change. Older versions of GLSL are no longer supported
167 * outside the compatibility contexts of 3.x.
169 this->num_supported_versions
= 0;
170 if (_mesa_is_desktop_gl(ctx
)) {
171 for (unsigned i
= 0; i
< ARRAY_SIZE(known_desktop_glsl_versions
); i
++) {
172 if (known_desktop_glsl_versions
[i
] <= ctx
->Const
.GLSLVersion
) {
173 this->supported_versions
[this->num_supported_versions
].ver
174 = known_desktop_glsl_versions
[i
];
175 this->supported_versions
[this->num_supported_versions
].es
= false;
176 this->num_supported_versions
++;
180 if (ctx
->API
== API_OPENGLES2
|| ctx
->Extensions
.ARB_ES2_compatibility
) {
181 this->supported_versions
[this->num_supported_versions
].ver
= 100;
182 this->supported_versions
[this->num_supported_versions
].es
= true;
183 this->num_supported_versions
++;
185 if (_mesa_is_gles3(ctx
) || ctx
->Extensions
.ARB_ES3_compatibility
) {
186 this->supported_versions
[this->num_supported_versions
].ver
= 300;
187 this->supported_versions
[this->num_supported_versions
].es
= true;
188 this->num_supported_versions
++;
190 if (_mesa_is_gles31(ctx
)) {
191 this->supported_versions
[this->num_supported_versions
].ver
= 310;
192 this->supported_versions
[this->num_supported_versions
].es
= true;
193 this->num_supported_versions
++;
196 /* Create a string for use in error messages to tell the user which GLSL
197 * versions are supported.
199 char *supported
= ralloc_strdup(this, "");
200 for (unsigned i
= 0; i
< this->num_supported_versions
; i
++) {
201 unsigned ver
= this->supported_versions
[i
].ver
;
202 const char *const prefix
= (i
== 0)
204 : ((i
== this->num_supported_versions
- 1) ? ", and " : ", ");
205 const char *const suffix
= (this->supported_versions
[i
].es
) ? " ES" : "";
207 ralloc_asprintf_append(& supported
, "%s%u.%02u%s",
209 ver
/ 100, ver
% 100,
213 this->supported_version_string
= supported
;
215 if (ctx
->Const
.ForceGLSLExtensionsWarn
)
216 _mesa_glsl_process_extension("all", NULL
, "warn", NULL
, this);
218 this->default_uniform_qualifier
= new(this) ast_type_qualifier();
219 this->default_uniform_qualifier
->flags
.q
.shared
= 1;
220 this->default_uniform_qualifier
->flags
.q
.column_major
= 1;
222 this->fs_uses_gl_fragcoord
= false;
223 this->fs_redeclares_gl_fragcoord
= false;
224 this->fs_origin_upper_left
= false;
225 this->fs_pixel_center_integer
= false;
226 this->fs_redeclares_gl_fragcoord_with_no_layout_qualifiers
= false;
228 this->gs_input_prim_type_specified
= false;
229 this->gs_input_size
= 0;
230 this->in_qualifier
= new(this) ast_type_qualifier();
231 this->out_qualifier
= new(this) ast_type_qualifier();
232 this->fs_early_fragment_tests
= false;
233 memset(this->atomic_counter_offsets
, 0,
234 sizeof(this->atomic_counter_offsets
));
235 this->allow_extension_directive_midshader
=
236 ctx
->Const
.AllowGLSLExtensionDirectiveMidShader
;
240 * Determine whether the current GLSL version is sufficiently high to support
241 * a certain feature, and generate an error message if it isn't.
243 * \param required_glsl_version and \c required_glsl_es_version are
244 * interpreted as they are in _mesa_glsl_parse_state::is_version().
246 * \param locp is the parser location where the error should be reported.
248 * \param fmt (and additional arguments) constitute a printf-style error
249 * message to report if the version check fails. Information about the
250 * current and required GLSL versions will be appended. So, for example, if
251 * the GLSL version being compiled is 1.20, and check_version(130, 300, locp,
252 * "foo unsupported") is called, the error message will be "foo unsupported in
253 * GLSL 1.20 (GLSL 1.30 or GLSL 3.00 ES required)".
256 _mesa_glsl_parse_state::check_version(unsigned required_glsl_version
,
257 unsigned required_glsl_es_version
,
258 YYLTYPE
*locp
, const char *fmt
, ...)
260 if (this->is_version(required_glsl_version
, required_glsl_es_version
))
265 char *problem
= ralloc_vasprintf(this, fmt
, args
);
267 const char *glsl_version_string
268 = glsl_compute_version_string(this, false, required_glsl_version
);
269 const char *glsl_es_version_string
270 = glsl_compute_version_string(this, true, required_glsl_es_version
);
271 const char *requirement_string
= "";
272 if (required_glsl_version
&& required_glsl_es_version
) {
273 requirement_string
= ralloc_asprintf(this, " (%s or %s required)",
275 glsl_es_version_string
);
276 } else if (required_glsl_version
) {
277 requirement_string
= ralloc_asprintf(this, " (%s required)",
278 glsl_version_string
);
279 } else if (required_glsl_es_version
) {
280 requirement_string
= ralloc_asprintf(this, " (%s required)",
281 glsl_es_version_string
);
283 _mesa_glsl_error(locp
, this, "%s in %s%s",
284 problem
, this->get_version_string(),
291 * Process a GLSL #version directive.
293 * \param version is the integer that follows the #version token.
295 * \param ident is a string identifier that follows the integer, if any is
296 * present. Otherwise NULL.
299 _mesa_glsl_parse_state::process_version_directive(YYLTYPE
*locp
, int version
,
302 bool es_token_present
= false;
304 if (strcmp(ident
, "es") == 0) {
305 es_token_present
= true;
306 } else if (version
>= 150) {
307 if (strcmp(ident
, "core") == 0) {
308 /* Accept the token. There's no need to record that this is
309 * a core profile shader since that's the only profile we support.
311 } else if (strcmp(ident
, "compatibility") == 0) {
312 _mesa_glsl_error(locp
, this,
313 "the compatibility profile is not supported");
315 _mesa_glsl_error(locp
, this,
316 "\"%s\" is not a valid shading language profile; "
317 "if present, it must be \"core\"", ident
);
320 _mesa_glsl_error(locp
, this,
321 "illegal text following version number");
325 this->es_shader
= es_token_present
;
326 if (version
== 100) {
327 if (es_token_present
) {
328 _mesa_glsl_error(locp
, this,
329 "GLSL 1.00 ES should be selected using "
332 this->es_shader
= true;
336 if (this->es_shader
) {
337 this->ARB_texture_rectangle_enable
= false;
340 if (this->forced_language_version
)
341 this->language_version
= this->forced_language_version
;
343 this->language_version
= version
;
345 bool supported
= false;
346 for (unsigned i
= 0; i
< this->num_supported_versions
; i
++) {
347 if (this->supported_versions
[i
].ver
== this->language_version
348 && this->supported_versions
[i
].es
== this->es_shader
) {
355 _mesa_glsl_error(locp
, this, "%s is not supported. "
356 "Supported versions are: %s",
357 this->get_version_string(),
358 this->supported_version_string
);
360 /* On exit, the language_version must be set to a valid value.
361 * Later calls to _mesa_glsl_initialize_types will misbehave if
362 * the version is invalid.
364 switch (this->ctx
->API
) {
365 case API_OPENGL_COMPAT
:
366 case API_OPENGL_CORE
:
367 this->language_version
= this->ctx
->Const
.GLSLVersion
;
371 assert(!"Should not get here.");
375 this->language_version
= 100;
383 * Translate a gl_shader_stage to a short shader stage name for debug
384 * printouts and error messages.
387 _mesa_shader_stage_to_string(unsigned stage
)
390 case MESA_SHADER_VERTEX
: return "vertex";
391 case MESA_SHADER_FRAGMENT
: return "fragment";
392 case MESA_SHADER_GEOMETRY
: return "geometry";
393 case MESA_SHADER_COMPUTE
: return "compute";
396 unreachable("Unknown shader stage.");
400 * Translate a gl_shader_stage to a shader stage abbreviation (VS, GS, FS)
401 * for debug printouts and error messages.
404 _mesa_shader_stage_to_abbrev(unsigned stage
)
407 case MESA_SHADER_VERTEX
: return "VS";
408 case MESA_SHADER_FRAGMENT
: return "FS";
409 case MESA_SHADER_GEOMETRY
: return "GS";
410 case MESA_SHADER_COMPUTE
: return "CS";
413 unreachable("Unknown shader stage.");
416 /* This helper function will append the given message to the shader's
417 info log and report it via GL_ARB_debug_output. Per that extension,
418 'type' is one of the enum values classifying the message, and
419 'id' is the implementation-defined ID of the given message. */
421 _mesa_glsl_msg(const YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
422 GLenum type
, const char *fmt
, va_list ap
)
424 bool error
= (type
== MESA_DEBUG_TYPE_ERROR
);
427 assert(state
->info_log
!= NULL
);
429 /* Get the offset that the new message will be written to. */
430 int msg_offset
= strlen(state
->info_log
);
432 ralloc_asprintf_append(&state
->info_log
, "%u:%u(%u): %s: ",
436 error
? "error" : "warning");
437 ralloc_vasprintf_append(&state
->info_log
, fmt
, ap
);
439 const char *const msg
= &state
->info_log
[msg_offset
];
440 struct gl_context
*ctx
= state
->ctx
;
442 /* Report the error via GL_ARB_debug_output. */
443 _mesa_shader_debug(ctx
, type
, &msg_id
, msg
, strlen(msg
));
445 ralloc_strcat(&state
->info_log
, "\n");
449 _mesa_glsl_error(YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
450 const char *fmt
, ...)
457 _mesa_glsl_msg(locp
, state
, MESA_DEBUG_TYPE_ERROR
, fmt
, ap
);
463 _mesa_glsl_warning(const YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
464 const char *fmt
, ...)
469 _mesa_glsl_msg(locp
, state
, MESA_DEBUG_TYPE_OTHER
, fmt
, ap
);
475 * Enum representing the possible behaviors that can be specified in
476 * an #extension directive.
486 * Element type for _mesa_glsl_supported_extensions
488 struct _mesa_glsl_extension
{
490 * Name of the extension when referred to in a GLSL extension
495 /** True if this extension is available to desktop GL shaders */
498 /** True if this extension is available to GLES shaders */
502 * Flag in the gl_extensions struct indicating whether this
503 * extension is supported by the driver, or
504 * &gl_extensions::dummy_true if supported by all drivers.
506 * Note: the type (GLboolean gl_extensions::*) is a "pointer to
507 * member" type, the type-safe alternative to the "offsetof" macro.
510 * - foo bar::* p declares p to be an "offset" to a field of type
511 * foo that exists within struct bar
512 * - &bar::baz computes the "offset" of field baz within struct bar
513 * - x.*p accesses the field of x that exists at "offset" p
514 * - x->*p is equivalent to (*x).*p
516 const GLboolean
gl_extensions::* supported_flag
;
519 * Flag in the _mesa_glsl_parse_state struct that should be set
520 * when this extension is enabled.
522 * See note in _mesa_glsl_extension::supported_flag about "pointer
525 bool _mesa_glsl_parse_state::* enable_flag
;
528 * Flag in the _mesa_glsl_parse_state struct that should be set
529 * when the shader requests "warn" behavior for this extension.
531 * See note in _mesa_glsl_extension::supported_flag about "pointer
534 bool _mesa_glsl_parse_state::* warn_flag
;
537 bool compatible_with_state(const _mesa_glsl_parse_state
*state
) const;
538 void set_flags(_mesa_glsl_parse_state
*state
, ext_behavior behavior
) const;
541 #define EXT(NAME, GL, ES, SUPPORTED_FLAG) \
542 { "GL_" #NAME, GL, ES, &gl_extensions::SUPPORTED_FLAG, \
543 &_mesa_glsl_parse_state::NAME##_enable, \
544 &_mesa_glsl_parse_state::NAME##_warn }
547 * Table of extensions that can be enabled/disabled within a shader,
548 * and the conditions under which they are supported.
550 static const _mesa_glsl_extension _mesa_glsl_supported_extensions
[] = {
551 /* API availability */
552 /* name GL ES supported flag */
554 /* ARB extensions go here, sorted alphabetically.
556 EXT(ARB_arrays_of_arrays
, true, false, ARB_arrays_of_arrays
),
557 EXT(ARB_compute_shader
, true, false, ARB_compute_shader
),
558 EXT(ARB_conservative_depth
, true, false, ARB_conservative_depth
),
559 EXT(ARB_derivative_control
, true, false, ARB_derivative_control
),
560 EXT(ARB_draw_buffers
, true, false, dummy_true
),
561 EXT(ARB_draw_instanced
, true, false, ARB_draw_instanced
),
562 EXT(ARB_explicit_attrib_location
, true, false, ARB_explicit_attrib_location
),
563 EXT(ARB_explicit_uniform_location
, true, false, ARB_explicit_uniform_location
),
564 EXT(ARB_fragment_coord_conventions
, true, false, ARB_fragment_coord_conventions
),
565 EXT(ARB_fragment_layer_viewport
, true, false, ARB_fragment_layer_viewport
),
566 EXT(ARB_gpu_shader5
, true, false, ARB_gpu_shader5
),
567 EXT(ARB_gpu_shader_fp64
, true, false, ARB_gpu_shader_fp64
),
568 EXT(ARB_sample_shading
, true, false, ARB_sample_shading
),
569 EXT(ARB_separate_shader_objects
, true, false, dummy_true
),
570 EXT(ARB_shader_atomic_counters
, true, false, ARB_shader_atomic_counters
),
571 EXT(ARB_shader_bit_encoding
, true, false, ARB_shader_bit_encoding
),
572 EXT(ARB_shader_image_load_store
, true, false, ARB_shader_image_load_store
),
573 EXT(ARB_shader_precision
, true, false, ARB_shader_precision
),
574 EXT(ARB_shader_stencil_export
, true, false, ARB_shader_stencil_export
),
575 EXT(ARB_shader_texture_lod
, true, false, ARB_shader_texture_lod
),
576 EXT(ARB_shading_language_420pack
, true, false, ARB_shading_language_420pack
),
577 EXT(ARB_shading_language_packing
, true, false, ARB_shading_language_packing
),
578 EXT(ARB_texture_cube_map_array
, true, false, ARB_texture_cube_map_array
),
579 EXT(ARB_texture_gather
, true, false, ARB_texture_gather
),
580 EXT(ARB_texture_multisample
, true, false, ARB_texture_multisample
),
581 EXT(ARB_texture_query_levels
, true, false, ARB_texture_query_levels
),
582 EXT(ARB_texture_query_lod
, true, false, ARB_texture_query_lod
),
583 EXT(ARB_texture_rectangle
, true, false, dummy_true
),
584 EXT(ARB_uniform_buffer_object
, true, false, ARB_uniform_buffer_object
),
585 EXT(ARB_vertex_attrib_64bit
, true, false, ARB_vertex_attrib_64bit
),
586 EXT(ARB_viewport_array
, true, false, ARB_viewport_array
),
588 /* KHR extensions go here, sorted alphabetically.
591 /* OES extensions go here, sorted alphabetically.
593 EXT(OES_EGL_image_external
, false, true, OES_EGL_image_external
),
594 EXT(OES_standard_derivatives
, false, true, OES_standard_derivatives
),
595 EXT(OES_texture_3D
, false, true, EXT_texture3D
),
597 /* All other extensions go here, sorted alphabetically.
599 EXT(AMD_conservative_depth
, true, false, ARB_conservative_depth
),
600 EXT(AMD_shader_stencil_export
, true, false, ARB_shader_stencil_export
),
601 EXT(AMD_shader_trinary_minmax
, true, false, dummy_true
),
602 EXT(AMD_vertex_shader_layer
, true, false, AMD_vertex_shader_layer
),
603 EXT(AMD_vertex_shader_viewport_index
, true, false, AMD_vertex_shader_viewport_index
),
604 EXT(EXT_draw_buffers
, false, true, dummy_true
),
605 EXT(EXT_separate_shader_objects
, false, true, dummy_true
),
606 EXT(EXT_shader_integer_mix
, true, true, EXT_shader_integer_mix
),
607 EXT(EXT_texture_array
, true, false, EXT_texture_array
),
614 * Determine whether a given extension is compatible with the target,
615 * API, and extension information in the current parser state.
617 bool _mesa_glsl_extension::compatible_with_state(const _mesa_glsl_parse_state
*
620 /* Check that this extension matches whether we are compiling
621 * for desktop GL or GLES.
623 if (state
->es_shader
) {
624 if (!this->avail_in_ES
) return false;
626 if (!this->avail_in_GL
) return false;
629 /* Check that this extension is supported by the OpenGL
632 * Note: the ->* operator indexes into state->extensions by the
633 * offset this->supported_flag. See
634 * _mesa_glsl_extension::supported_flag for more info.
636 return state
->extensions
->*(this->supported_flag
);
640 * Set the appropriate flags in the parser state to establish the
641 * given behavior for this extension.
643 void _mesa_glsl_extension::set_flags(_mesa_glsl_parse_state
*state
,
644 ext_behavior behavior
) const
646 /* Note: the ->* operator indexes into state by the
647 * offsets this->enable_flag and this->warn_flag. See
648 * _mesa_glsl_extension::supported_flag for more info.
650 state
->*(this->enable_flag
) = (behavior
!= extension_disable
);
651 state
->*(this->warn_flag
) = (behavior
== extension_warn
);
655 * Find an extension by name in _mesa_glsl_supported_extensions. If
656 * the name is not found, return NULL.
658 static const _mesa_glsl_extension
*find_extension(const char *name
)
660 for (unsigned i
= 0; i
< ARRAY_SIZE(_mesa_glsl_supported_extensions
); ++i
) {
661 if (strcmp(name
, _mesa_glsl_supported_extensions
[i
].name
) == 0) {
662 return &_mesa_glsl_supported_extensions
[i
];
670 _mesa_glsl_process_extension(const char *name
, YYLTYPE
*name_locp
,
671 const char *behavior_string
, YYLTYPE
*behavior_locp
,
672 _mesa_glsl_parse_state
*state
)
674 ext_behavior behavior
;
675 if (strcmp(behavior_string
, "warn") == 0) {
676 behavior
= extension_warn
;
677 } else if (strcmp(behavior_string
, "require") == 0) {
678 behavior
= extension_require
;
679 } else if (strcmp(behavior_string
, "enable") == 0) {
680 behavior
= extension_enable
;
681 } else if (strcmp(behavior_string
, "disable") == 0) {
682 behavior
= extension_disable
;
684 _mesa_glsl_error(behavior_locp
, state
,
685 "unknown extension behavior `%s'",
690 if (strcmp(name
, "all") == 0) {
691 if ((behavior
== extension_enable
) || (behavior
== extension_require
)) {
692 _mesa_glsl_error(name_locp
, state
, "cannot %s all extensions",
693 (behavior
== extension_enable
)
694 ? "enable" : "require");
698 i
< ARRAY_SIZE(_mesa_glsl_supported_extensions
); ++i
) {
699 const _mesa_glsl_extension
*extension
700 = &_mesa_glsl_supported_extensions
[i
];
701 if (extension
->compatible_with_state(state
)) {
702 _mesa_glsl_supported_extensions
[i
].set_flags(state
, behavior
);
707 const _mesa_glsl_extension
*extension
= find_extension(name
);
708 if (extension
&& extension
->compatible_with_state(state
)) {
709 extension
->set_flags(state
, behavior
);
711 static const char fmt
[] = "extension `%s' unsupported in %s shader";
713 if (behavior
== extension_require
) {
714 _mesa_glsl_error(name_locp
, state
, fmt
,
715 name
, _mesa_shader_stage_to_string(state
->stage
));
718 _mesa_glsl_warning(name_locp
, state
, fmt
,
719 name
, _mesa_shader_stage_to_string(state
->stage
));
729 * Recurses through <type> and <expr> if <expr> is an aggregate initializer
730 * and sets <expr>'s <constructor_type> field to <type>. Gives later functions
731 * (process_array_constructor, et al) sufficient information to do type
734 * Operates on assignments involving an aggregate initializer. E.g.,
736 * vec4 pos = {1.0, -1.0, 0.0, 1.0};
738 * or more ridiculously,
751 * {1.0, 2.0, 3.0, 4.0}, // a[0].v[0]
752 * {5.0, 6.0, 7.0, 8.0} // a[0].v[1]
757 * {1.0, 2.0, 3.0, 4.0}, // a[1].v[0]
758 * {5.0, 6.0, 7.0, 8.0} // a[1].v[1]
764 * {1.0, 2.0, 3.0, 4.0}, // b.v[0]
765 * {5.0, 6.0, 7.0, 8.0} // b.v[1]
771 * This pass is necessary because the right-hand side of <type> e = { ... }
772 * doesn't contain sufficient information to determine if the types match.
775 _mesa_ast_set_aggregate_type(const glsl_type
*type
,
776 ast_expression
*expr
)
778 ast_aggregate_initializer
*ai
= (ast_aggregate_initializer
*)expr
;
779 ai
->constructor_type
= type
;
781 /* If the aggregate is an array, recursively set its elements' types. */
782 if (type
->is_array()) {
783 /* Each array element has the type type->element_type().
785 * E.g., if <type> if struct S[2] we want to set each element's type to
788 for (exec_node
*expr_node
= ai
->expressions
.head
;
789 !expr_node
->is_tail_sentinel();
790 expr_node
= expr_node
->next
) {
791 ast_expression
*expr
= exec_node_data(ast_expression
, expr_node
,
794 if (expr
->oper
== ast_aggregate
)
795 _mesa_ast_set_aggregate_type(type
->element_type(), expr
);
798 /* If the aggregate is a struct, recursively set its fields' types. */
799 } else if (type
->is_record()) {
800 exec_node
*expr_node
= ai
->expressions
.head
;
802 /* Iterate through the struct's fields. */
803 for (unsigned i
= 0; !expr_node
->is_tail_sentinel() && i
< type
->length
;
804 i
++, expr_node
= expr_node
->next
) {
805 ast_expression
*expr
= exec_node_data(ast_expression
, expr_node
,
808 if (expr
->oper
== ast_aggregate
) {
809 _mesa_ast_set_aggregate_type(type
->fields
.structure
[i
].type
, expr
);
812 /* If the aggregate is a matrix, set its columns' types. */
813 } else if (type
->is_matrix()) {
814 for (exec_node
*expr_node
= ai
->expressions
.head
;
815 !expr_node
->is_tail_sentinel();
816 expr_node
= expr_node
->next
) {
817 ast_expression
*expr
= exec_node_data(ast_expression
, expr_node
,
820 if (expr
->oper
== ast_aggregate
)
821 _mesa_ast_set_aggregate_type(type
->column_type(), expr
);
828 _mesa_ast_type_qualifier_print(const struct ast_type_qualifier
*q
)
830 if (q
->flags
.q
.constant
)
833 if (q
->flags
.q
.invariant
)
834 printf("invariant ");
836 if (q
->flags
.q
.attribute
)
837 printf("attribute ");
839 if (q
->flags
.q
.varying
)
842 if (q
->flags
.q
.in
&& q
->flags
.q
.out
)
852 if (q
->flags
.q
.centroid
)
854 if (q
->flags
.q
.sample
)
856 if (q
->flags
.q
.uniform
)
858 if (q
->flags
.q
.smooth
)
862 if (q
->flags
.q
.noperspective
)
863 printf("noperspective ");
868 ast_node::print(void) const
870 printf("unhandled node ");
874 ast_node::ast_node(void)
876 this->location
.source
= 0;
877 this->location
.first_line
= 0;
878 this->location
.first_column
= 0;
879 this->location
.last_line
= 0;
880 this->location
.last_column
= 0;
885 ast_opt_array_dimensions_print(const ast_array_specifier
*array_specifier
)
888 array_specifier
->print();
893 ast_compound_statement::print(void) const
897 foreach_list_typed(ast_node
, ast
, link
, &this->statements
) {
905 ast_compound_statement::ast_compound_statement(int new_scope
,
906 ast_node
*statements
)
908 this->new_scope
= new_scope
;
910 if (statements
!= NULL
) {
911 this->statements
.push_degenerate_list_at_head(&statements
->link
);
917 ast_expression::print(void) const
931 subexpressions
[0]->print();
932 printf("%s ", operator_string(oper
));
933 subexpressions
[1]->print();
936 case ast_field_selection
:
937 subexpressions
[0]->print();
938 printf(". %s ", primary_expression
.identifier
);
947 printf("%s ", operator_string(oper
));
948 subexpressions
[0]->print();
953 subexpressions
[0]->print();
954 printf("%s ", operator_string(oper
));
957 case ast_conditional
:
958 subexpressions
[0]->print();
960 subexpressions
[1]->print();
962 subexpressions
[2]->print();
965 case ast_array_index
:
966 subexpressions
[0]->print();
968 subexpressions
[1]->print();
972 case ast_function_call
: {
973 subexpressions
[0]->print();
976 foreach_list_typed (ast_node
, ast
, link
, &this->expressions
) {
977 if (&ast
->link
!= this->expressions
.get_head())
988 printf("%s ", primary_expression
.identifier
);
991 case ast_int_constant
:
992 printf("%d ", primary_expression
.int_constant
);
995 case ast_uint_constant
:
996 printf("%u ", primary_expression
.uint_constant
);
999 case ast_float_constant
:
1000 printf("%f ", primary_expression
.float_constant
);
1003 case ast_double_constant
:
1004 printf("%f ", primary_expression
.double_constant
);
1007 case ast_bool_constant
:
1009 primary_expression
.bool_constant
1010 ? "true" : "false");
1013 case ast_sequence
: {
1015 foreach_list_typed (ast_node
, ast
, link
, & this->expressions
) {
1016 if (&ast
->link
!= this->expressions
.get_head())
1025 case ast_aggregate
: {
1027 foreach_list_typed (ast_node
, ast
, link
, & this->expressions
) {
1028 if (&ast
->link
!= this->expressions
.get_head())
1043 ast_expression::ast_expression(int oper
,
1044 ast_expression
*ex0
,
1045 ast_expression
*ex1
,
1046 ast_expression
*ex2
) :
1047 primary_expression()
1049 this->oper
= ast_operators(oper
);
1050 this->subexpressions
[0] = ex0
;
1051 this->subexpressions
[1] = ex1
;
1052 this->subexpressions
[2] = ex2
;
1053 this->non_lvalue_description
= NULL
;
1058 ast_expression_statement::print(void) const
1061 expression
->print();
1067 ast_expression_statement::ast_expression_statement(ast_expression
*ex
) :
1075 ast_function::print(void) const
1077 return_type
->print();
1078 printf(" %s (", identifier
);
1080 foreach_list_typed(ast_node
, ast
, link
, & this->parameters
) {
1088 ast_function::ast_function(void)
1089 : return_type(NULL
), identifier(NULL
), is_definition(false),
1097 ast_fully_specified_type::print(void) const
1099 _mesa_ast_type_qualifier_print(& qualifier
);
1105 ast_parameter_declarator::print(void) const
1109 printf("%s ", identifier
);
1110 ast_opt_array_dimensions_print(array_specifier
);
1115 ast_function_definition::print(void) const
1123 ast_declaration::print(void) const
1125 printf("%s ", identifier
);
1126 ast_opt_array_dimensions_print(array_specifier
);
1130 initializer
->print();
1135 ast_declaration::ast_declaration(const char *identifier
,
1136 ast_array_specifier
*array_specifier
,
1137 ast_expression
*initializer
)
1139 this->identifier
= identifier
;
1140 this->array_specifier
= array_specifier
;
1141 this->initializer
= initializer
;
1146 ast_declarator_list::print(void) const
1148 assert(type
|| invariant
);
1153 printf("invariant ");
1157 foreach_list_typed (ast_node
, ast
, link
, & this->declarations
) {
1158 if (&ast
->link
!= this->declarations
.get_head())
1168 ast_declarator_list::ast_declarator_list(ast_fully_specified_type
*type
)
1171 this->invariant
= false;
1172 this->precise
= false;
1176 ast_jump_statement::print(void) const
1180 printf("continue; ");
1187 if (opt_return_value
)
1188 opt_return_value
->print();
1193 printf("discard; ");
1199 ast_jump_statement::ast_jump_statement(int mode
, ast_expression
*return_value
)
1200 : opt_return_value(NULL
)
1202 this->mode
= ast_jump_modes(mode
);
1204 if (mode
== ast_return
)
1205 opt_return_value
= return_value
;
1210 ast_selection_statement::print(void) const
1216 then_statement
->print();
1218 if (else_statement
) {
1220 else_statement
->print();
1226 ast_selection_statement::ast_selection_statement(ast_expression
*condition
,
1227 ast_node
*then_statement
,
1228 ast_node
*else_statement
)
1230 this->condition
= condition
;
1231 this->then_statement
= then_statement
;
1232 this->else_statement
= else_statement
;
1237 ast_switch_statement::print(void) const
1239 printf("switch ( ");
1240 test_expression
->print();
1247 ast_switch_statement::ast_switch_statement(ast_expression
*test_expression
,
1250 this->test_expression
= test_expression
;
1256 ast_switch_body::print(void) const
1259 if (stmts
!= NULL
) {
1266 ast_switch_body::ast_switch_body(ast_case_statement_list
*stmts
)
1268 this->stmts
= stmts
;
1272 void ast_case_label::print(void) const
1274 if (test_value
!= NULL
) {
1276 test_value
->print();
1279 printf("default: ");
1284 ast_case_label::ast_case_label(ast_expression
*test_value
)
1286 this->test_value
= test_value
;
1290 void ast_case_label_list::print(void) const
1292 foreach_list_typed(ast_node
, ast
, link
, & this->labels
) {
1299 ast_case_label_list::ast_case_label_list(void)
1304 void ast_case_statement::print(void) const
1307 foreach_list_typed(ast_node
, ast
, link
, & this->stmts
) {
1314 ast_case_statement::ast_case_statement(ast_case_label_list
*labels
)
1316 this->labels
= labels
;
1320 void ast_case_statement_list::print(void) const
1322 foreach_list_typed(ast_node
, ast
, link
, & this->cases
) {
1328 ast_case_statement_list::ast_case_statement_list(void)
1334 ast_iteration_statement::print(void) const
1340 init_statement
->print();
1347 if (rest_expression
)
1348 rest_expression
->print();
1374 ast_iteration_statement::ast_iteration_statement(int mode
,
1376 ast_node
*condition
,
1377 ast_expression
*rest_expression
,
1380 this->mode
= ast_iteration_modes(mode
);
1381 this->init_statement
= init
;
1382 this->condition
= condition
;
1383 this->rest_expression
= rest_expression
;
1389 ast_struct_specifier::print(void) const
1391 printf("struct %s { ", name
);
1392 foreach_list_typed(ast_node
, ast
, link
, &this->declarations
) {
1399 ast_struct_specifier::ast_struct_specifier(const char *identifier
,
1400 ast_declarator_list
*declarator_list
)
1402 if (identifier
== NULL
) {
1403 static mtx_t mutex
= _MTX_INITIALIZER_NP
;
1404 static unsigned anon_count
= 1;
1408 count
= anon_count
++;
1411 identifier
= ralloc_asprintf(this, "#anon_struct_%04x", count
);
1414 this->declarations
.push_degenerate_list_at_head(&declarator_list
->link
);
1415 is_declaration
= true;
1419 set_shader_inout_layout(struct gl_shader
*shader
,
1420 struct _mesa_glsl_parse_state
*state
)
1422 if (shader
->Stage
!= MESA_SHADER_GEOMETRY
) {
1423 /* Should have been prevented by the parser. */
1424 assert(!state
->in_qualifier
->flags
.i
);
1425 assert(!state
->out_qualifier
->flags
.i
);
1428 if (shader
->Stage
!= MESA_SHADER_COMPUTE
) {
1429 /* Should have been prevented by the parser. */
1430 assert(!state
->cs_input_local_size_specified
);
1433 if (shader
->Stage
!= MESA_SHADER_FRAGMENT
) {
1434 /* Should have been prevented by the parser. */
1435 assert(!state
->fs_uses_gl_fragcoord
);
1436 assert(!state
->fs_redeclares_gl_fragcoord
);
1437 assert(!state
->fs_pixel_center_integer
);
1438 assert(!state
->fs_origin_upper_left
);
1439 assert(!state
->fs_early_fragment_tests
);
1442 switch (shader
->Stage
) {
1443 case MESA_SHADER_GEOMETRY
:
1444 shader
->Geom
.VerticesOut
= 0;
1445 if (state
->out_qualifier
->flags
.q
.max_vertices
)
1446 shader
->Geom
.VerticesOut
= state
->out_qualifier
->max_vertices
;
1448 if (state
->gs_input_prim_type_specified
) {
1449 shader
->Geom
.InputType
= state
->in_qualifier
->prim_type
;
1451 shader
->Geom
.InputType
= PRIM_UNKNOWN
;
1454 if (state
->out_qualifier
->flags
.q
.prim_type
) {
1455 shader
->Geom
.OutputType
= state
->out_qualifier
->prim_type
;
1457 shader
->Geom
.OutputType
= PRIM_UNKNOWN
;
1460 shader
->Geom
.Invocations
= 0;
1461 if (state
->in_qualifier
->flags
.q
.invocations
)
1462 shader
->Geom
.Invocations
= state
->in_qualifier
->invocations
;
1465 case MESA_SHADER_COMPUTE
:
1466 if (state
->cs_input_local_size_specified
) {
1467 for (int i
= 0; i
< 3; i
++)
1468 shader
->Comp
.LocalSize
[i
] = state
->cs_input_local_size
[i
];
1470 for (int i
= 0; i
< 3; i
++)
1471 shader
->Comp
.LocalSize
[i
] = 0;
1475 case MESA_SHADER_FRAGMENT
:
1476 shader
->redeclares_gl_fragcoord
= state
->fs_redeclares_gl_fragcoord
;
1477 shader
->uses_gl_fragcoord
= state
->fs_uses_gl_fragcoord
;
1478 shader
->pixel_center_integer
= state
->fs_pixel_center_integer
;
1479 shader
->origin_upper_left
= state
->fs_origin_upper_left
;
1480 shader
->ARB_fragment_coord_conventions_enable
=
1481 state
->ARB_fragment_coord_conventions_enable
;
1482 shader
->EarlyFragmentTests
= state
->fs_early_fragment_tests
;
1486 /* Nothing to do. */
1494 _mesa_glsl_compile_shader(struct gl_context
*ctx
, struct gl_shader
*shader
,
1495 bool dump_ast
, bool dump_hir
)
1497 struct _mesa_glsl_parse_state
*state
=
1498 new(shader
) _mesa_glsl_parse_state(ctx
, shader
->Stage
, shader
);
1499 const char *source
= shader
->Source
;
1501 if (ctx
->Const
.GenerateTemporaryNames
)
1502 (void) p_atomic_cmpxchg(&ir_variable::temporaries_allocate_names
,
1505 state
->error
= glcpp_preprocess(state
, &source
, &state
->info_log
,
1506 &ctx
->Extensions
, ctx
);
1508 if (!state
->error
) {
1509 _mesa_glsl_lexer_ctor(state
, source
);
1510 _mesa_glsl_parse(state
);
1511 _mesa_glsl_lexer_dtor(state
);
1515 foreach_list_typed(ast_node
, ast
, link
, &state
->translation_unit
) {
1521 ralloc_free(shader
->ir
);
1522 shader
->ir
= new(shader
) exec_list
;
1523 if (!state
->error
&& !state
->translation_unit
.is_empty())
1524 _mesa_ast_to_hir(shader
->ir
, state
);
1526 if (!state
->error
) {
1527 validate_ir_tree(shader
->ir
);
1529 /* Print out the unoptimized IR. */
1531 _mesa_print_ir(stdout
, shader
->ir
, state
);
1536 if (!state
->error
&& !shader
->ir
->is_empty()) {
1537 struct gl_shader_compiler_options
*options
=
1538 &ctx
->Const
.ShaderCompilerOptions
[shader
->Stage
];
1540 /* Do some optimization at compile time to reduce shader IR size
1541 * and reduce later work if the same shader is linked multiple times
1543 while (do_common_optimization(shader
->ir
, false, false, options
,
1544 ctx
->Const
.NativeIntegers
))
1547 validate_ir_tree(shader
->ir
);
1549 enum ir_variable_mode other
;
1550 switch (shader
->Stage
) {
1551 case MESA_SHADER_VERTEX
:
1552 other
= ir_var_shader_in
;
1554 case MESA_SHADER_FRAGMENT
:
1555 other
= ir_var_shader_out
;
1558 /* Something invalid to ensure optimize_dead_builtin_uniforms
1559 * doesn't remove anything other than uniforms or constants.
1561 other
= ir_var_mode_count
;
1565 optimize_dead_builtin_variables(shader
->ir
, other
);
1567 validate_ir_tree(shader
->ir
);
1570 if (shader
->InfoLog
)
1571 ralloc_free(shader
->InfoLog
);
1573 shader
->symbols
= new(shader
->ir
) glsl_symbol_table
;
1574 shader
->CompileStatus
= !state
->error
;
1575 shader
->InfoLog
= state
->info_log
;
1576 shader
->Version
= state
->language_version
;
1577 shader
->IsES
= state
->es_shader
;
1578 shader
->uses_builtin_functions
= state
->uses_builtin_functions
;
1581 set_shader_inout_layout(shader
, state
);
1583 /* Retain any live IR, but trash the rest. */
1584 reparent_ir(shader
->ir
, shader
->ir
);
1586 /* Destroy the symbol table. Create a new symbol table that contains only
1587 * the variables and functions that still exist in the IR. The symbol
1588 * table will be used later during linking.
1590 * There must NOT be any freed objects still referenced by the symbol
1591 * table. That could cause the linker to dereference freed memory.
1593 * We don't have to worry about types or interface-types here because those
1594 * are fly-weights that are looked up by glsl_type.
1596 foreach_in_list (ir_instruction
, ir
, shader
->ir
) {
1597 switch (ir
->ir_type
) {
1598 case ir_type_function
:
1599 shader
->symbols
->add_function((ir_function
*) ir
);
1601 case ir_type_variable
: {
1602 ir_variable
*const var
= (ir_variable
*) ir
;
1604 if (var
->data
.mode
!= ir_var_temporary
)
1605 shader
->symbols
->add_variable(var
);
1613 delete state
->symbols
;
1619 * Do the set of common optimizations passes
1621 * \param ir List of instructions to be optimized
1622 * \param linked Is the shader linked? This enables
1623 * optimizations passes that remove code at
1624 * global scope and could cause linking to
1626 * \param uniform_locations_assigned Have locations already been assigned for
1627 * uniforms? This prevents the declarations
1628 * of unused uniforms from being removed.
1629 * The setting of this flag only matters if
1630 * \c linked is \c true.
1631 * \param max_unroll_iterations Maximum number of loop iterations to be
1632 * unrolled. Setting to 0 disables loop
1634 * \param options The driver's preferred shader options.
1637 do_common_optimization(exec_list
*ir
, bool linked
,
1638 bool uniform_locations_assigned
,
1639 const struct gl_shader_compiler_options
*options
,
1640 bool native_integers
)
1642 GLboolean progress
= GL_FALSE
;
1644 progress
= lower_instructions(ir
, SUB_TO_ADD_NEG
) || progress
;
1647 progress
= do_function_inlining(ir
) || progress
;
1648 progress
= do_dead_functions(ir
) || progress
;
1649 progress
= do_structure_splitting(ir
) || progress
;
1651 progress
= do_if_simplification(ir
) || progress
;
1652 progress
= opt_flatten_nested_if_blocks(ir
) || progress
;
1653 progress
= opt_conditional_discard(ir
) || progress
;
1654 progress
= do_copy_propagation(ir
) || progress
;
1655 progress
= do_copy_propagation_elements(ir
) || progress
;
1657 if (options
->OptimizeForAOS
&& !linked
)
1658 progress
= opt_flip_matrices(ir
) || progress
;
1660 if (linked
&& options
->OptimizeForAOS
) {
1661 progress
= do_vectorize(ir
) || progress
;
1665 progress
= do_dead_code(ir
, uniform_locations_assigned
) || progress
;
1667 progress
= do_dead_code_unlinked(ir
) || progress
;
1668 progress
= do_dead_code_local(ir
) || progress
;
1669 progress
= do_tree_grafting(ir
) || progress
;
1670 progress
= do_constant_propagation(ir
) || progress
;
1672 progress
= do_constant_variable(ir
) || progress
;
1674 progress
= do_constant_variable_unlinked(ir
) || progress
;
1675 progress
= do_constant_folding(ir
) || progress
;
1676 progress
= do_minmax_prune(ir
) || progress
;
1677 progress
= do_cse(ir
) || progress
;
1678 progress
= do_rebalance_tree(ir
) || progress
;
1679 progress
= do_algebraic(ir
, native_integers
, options
) || progress
;
1680 progress
= do_lower_jumps(ir
) || progress
;
1681 progress
= do_vec_index_to_swizzle(ir
) || progress
;
1682 progress
= lower_vector_insert(ir
, false) || progress
;
1683 progress
= do_swizzle_swizzle(ir
) || progress
;
1684 progress
= do_noop_swizzle(ir
) || progress
;
1686 progress
= optimize_split_arrays(ir
, linked
) || progress
;
1687 progress
= optimize_redundant_jumps(ir
) || progress
;
1689 loop_state
*ls
= analyze_loop_variables(ir
);
1690 if (ls
->loop_found
) {
1691 progress
= set_loop_controls(ir
, ls
) || progress
;
1692 progress
= unroll_loops(ir
, ls
, options
) || progress
;
1702 * To be called at GL teardown time, this frees compiler datastructures.
1704 * After calling this, any previously compiled shaders and shader
1705 * programs would be invalid. So this should happen at approximately
1709 _mesa_destroy_shader_compiler(void)
1711 _mesa_destroy_shader_compiler_caches();
1713 _mesa_glsl_release_types();
1717 * Releases compiler caches to trade off performance for memory.
1719 * Intended to be used with glReleaseShaderCompiler().
1722 _mesa_destroy_shader_compiler_caches(void)
1724 _mesa_glsl_release_builtin_functions();