2 * Copyright © 2010 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
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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.
24 #ifndef GLSL_PARSER_EXTRAS_H
25 #define GLSL_PARSER_EXTRAS_H
28 * Most of the definitions here only apply to C++
34 #include "glsl_symbol_table.h"
36 /* THIS is a macro defined somewhere deep in the Windows MSVC header files.
37 * Undefine it here to avoid collision with the lexer's THIS token.
43 struct glsl_switch_state
{
44 /** Temporary variables needed for switch statement. */
45 ir_variable
*test_var
;
46 ir_variable
*is_fallthru_var
;
47 class ast_switch_statement
*switch_nesting_ast
;
49 /** Used to detect if 'continue' was called inside a switch. */
50 ir_variable
*continue_inside
;
52 /** Used to set condition if 'default' label should be chosen. */
53 ir_variable
*run_default
;
55 /** Table of constant values already used in case labels */
56 struct hash_table
*labels_ht
;
57 class ast_case_label
*previous_default
;
59 bool is_switch_innermost
; // if switch stmt is closest to break, ...
63 glsl_compute_version_string(void *mem_ctx
, bool is_es
, unsigned version
);
65 typedef struct YYLTYPE
{
72 # define YYLTYPE_IS_DECLARED 1
73 # define YYLTYPE_IS_TRIVIAL 1
75 extern void _mesa_glsl_error(YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
76 const char *fmt
, ...);
79 struct _mesa_glsl_parse_state
{
80 _mesa_glsl_parse_state(struct gl_context
*_ctx
, gl_shader_stage stage
,
83 DECLARE_RZALLOC_CXX_OPERATORS(_mesa_glsl_parse_state
);
86 * Generate a string representing the GLSL version currently being compiled
87 * (useful for error messages).
89 const char *get_version_string()
91 return glsl_compute_version_string(this, this->es_shader
,
92 this->language_version
);
96 * Determine whether the current GLSL version is sufficiently high to
97 * support a certain feature.
99 * \param required_glsl_version is the desktop GLSL version that is
100 * required to support the feature, or 0 if no version of desktop GLSL
101 * supports the feature.
103 * \param required_glsl_es_version is the GLSL ES version that is required
104 * to support the feature, or 0 if no version of GLSL ES supports the
107 bool is_version(unsigned required_glsl_version
,
108 unsigned required_glsl_es_version
) const
110 unsigned required_version
= this->es_shader
?
111 required_glsl_es_version
: required_glsl_version
;
112 unsigned this_version
= this->forced_language_version
113 ? this->forced_language_version
: this->language_version
;
114 return required_version
!= 0
115 && this_version
>= required_version
;
118 bool check_version(unsigned required_glsl_version
,
119 unsigned required_glsl_es_version
,
120 YYLTYPE
*locp
, const char *fmt
, ...) PRINTFLIKE(5, 6);
122 bool check_arrays_of_arrays_allowed(YYLTYPE
*locp
)
124 if (!(ARB_arrays_of_arrays_enable
|| is_version(430, 310))) {
125 const char *const requirement
= this->es_shader
127 : "GL_ARB_arrays_of_arrays or GLSL 4.30";
128 _mesa_glsl_error(locp
, this,
129 "%s required for defining arrays of arrays.",
136 bool check_precision_qualifiers_allowed(YYLTYPE
*locp
)
138 return check_version(130, 100, locp
,
139 "precision qualifiers are forbidden");
142 bool check_bitwise_operations_allowed(YYLTYPE
*locp
)
144 return check_version(130, 300, locp
, "bit-wise operations are forbidden");
147 bool check_explicit_attrib_stream_allowed(YYLTYPE
*locp
)
149 if (!this->has_explicit_attrib_stream()) {
150 const char *const requirement
= "GL_ARB_gpu_shader5 extension or GLSL 4.00";
152 _mesa_glsl_error(locp
, this, "explicit stream requires %s",
160 bool check_explicit_attrib_location_allowed(YYLTYPE
*locp
,
161 const ir_variable
*var
)
163 if (!this->has_explicit_attrib_location()) {
164 const char *const requirement
= this->es_shader
166 : "GL_ARB_explicit_attrib_location extension or GLSL 3.30";
168 _mesa_glsl_error(locp
, this, "%s explicit location requires %s",
169 mode_string(var
), requirement
);
176 bool check_separate_shader_objects_allowed(YYLTYPE
*locp
,
177 const ir_variable
*var
)
179 if (!this->has_separate_shader_objects()) {
180 const char *const requirement
= this->es_shader
181 ? "GL_EXT_separate_shader_objects extension or GLSL ES 3.10"
182 : "GL_ARB_separate_shader_objects extension or GLSL 4.20";
184 _mesa_glsl_error(locp
, this, "%s explicit location requires %s",
185 mode_string(var
), requirement
);
192 bool check_explicit_uniform_location_allowed(YYLTYPE
*locp
,
195 if (!this->has_explicit_attrib_location() ||
196 !this->has_explicit_uniform_location()) {
197 const char *const requirement
= this->es_shader
199 : "GL_ARB_explicit_uniform_location and either "
200 "GL_ARB_explicit_attrib_location or GLSL 3.30.";
202 _mesa_glsl_error(locp
, this,
203 "uniform explicit location requires %s",
211 bool has_atomic_counters() const
213 return ARB_shader_atomic_counters_enable
|| is_version(420, 310);
216 bool has_enhanced_layouts() const
218 return ARB_enhanced_layouts_enable
|| is_version(440, 0);
221 bool has_explicit_attrib_stream() const
223 return ARB_gpu_shader5_enable
|| is_version(400, 0);
226 bool has_explicit_attrib_location() const
228 return ARB_explicit_attrib_location_enable
|| is_version(330, 300);
231 bool has_explicit_uniform_location() const
233 return ARB_explicit_uniform_location_enable
|| is_version(430, 310);
236 bool has_uniform_buffer_objects() const
238 return ARB_uniform_buffer_object_enable
|| is_version(140, 300);
241 bool has_shader_storage_buffer_objects() const
243 return ARB_shader_storage_buffer_object_enable
|| is_version(430, 310);
246 bool has_separate_shader_objects() const
248 return ARB_separate_shader_objects_enable
|| is_version(410, 310)
249 || EXT_separate_shader_objects_enable
;
252 bool has_double() const
254 return ARB_gpu_shader_fp64_enable
|| is_version(400, 0);
257 bool has_int64() const
259 return ARB_gpu_shader_int64_enable
;
262 bool has_420pack() const
264 return ARB_shading_language_420pack_enable
|| is_version(420, 0);
267 bool has_420pack_or_es31() const
269 return ARB_shading_language_420pack_enable
|| is_version(420, 310);
272 bool has_compute_shader() const
274 return ARB_compute_shader_enable
|| is_version(430, 310);
277 bool has_shader_io_blocks() const
279 /* The OES_geometry_shader_specification says:
281 * "If the OES_geometry_shader extension is enabled, the
282 * OES_shader_io_blocks extension is also implicitly enabled."
284 * The OES_tessellation_shader extension has similar wording.
286 return OES_shader_io_blocks_enable
||
287 EXT_shader_io_blocks_enable
||
288 OES_geometry_shader_enable
||
289 EXT_geometry_shader_enable
||
290 OES_tessellation_shader_enable
||
291 EXT_tessellation_shader_enable
||
293 is_version(150, 320);
296 bool has_geometry_shader() const
298 return OES_geometry_shader_enable
|| EXT_geometry_shader_enable
||
299 is_version(150, 320);
302 bool has_tessellation_shader() const
304 return ARB_tessellation_shader_enable
||
305 OES_tessellation_shader_enable
||
306 EXT_tessellation_shader_enable
||
307 is_version(400, 320);
310 bool has_clip_distance() const
312 return EXT_clip_cull_distance_enable
|| is_version(130, 0);
315 bool has_cull_distance() const
317 return EXT_clip_cull_distance_enable
||
318 ARB_cull_distance_enable
||
322 bool has_framebuffer_fetch() const
324 return EXT_shader_framebuffer_fetch_enable
||
325 EXT_shader_framebuffer_fetch_non_coherent_enable
;
328 bool has_texture_cube_map_array() const
330 return ARB_texture_cube_map_array_enable
||
331 EXT_texture_cube_map_array_enable
||
332 OES_texture_cube_map_array_enable
||
333 is_version(400, 320);
336 bool has_shader_image_load_store() const
338 return ARB_shader_image_load_store_enable
|| is_version(420, 310);
341 bool has_bindless() const
343 return ARB_bindless_texture_enable
;
346 void process_version_directive(YYLTYPE
*locp
, int version
,
349 struct gl_context
*const ctx
;
351 exec_list translation_unit
;
352 glsl_symbol_table
*symbols
;
356 unsigned num_supported_versions
;
361 } supported_versions
[17];
365 unsigned language_version
;
366 unsigned forced_language_version
;
369 gl_shader_stage stage
;
372 * Default uniform layout qualifiers tracked during parsing.
373 * Currently affects uniform blocks and uniform buffer variables in
376 struct ast_type_qualifier
*default_uniform_qualifier
;
379 * Default shader storage layout qualifiers tracked during parsing.
380 * Currently affects shader storage blocks and shader storage buffer
381 * variables in those blocks.
383 struct ast_type_qualifier
*default_shader_storage_qualifier
;
386 * Variables to track different cases if a fragment shader redeclares
387 * built-in variable gl_FragCoord.
389 * Note: These values are computed at ast_to_hir time rather than at parse
392 bool fs_redeclares_gl_fragcoord
;
393 bool fs_origin_upper_left
;
394 bool fs_pixel_center_integer
;
395 bool fs_redeclares_gl_fragcoord_with_no_layout_qualifiers
;
398 * True if a geometry shader input primitive type or tessellation control
399 * output vertices were specified using a layout directive.
401 * Note: these values are computed at ast_to_hir time rather than at parse
404 bool gs_input_prim_type_specified
;
405 bool tcs_output_vertices_specified
;
408 * Input layout qualifiers from GLSL 1.50 (geometry shader controls),
409 * and GLSL 4.00 (tessellation evaluation shader)
411 struct ast_type_qualifier
*in_qualifier
;
414 * True if a compute shader input local size was specified using a layout
417 * Note: this value is computed at ast_to_hir time rather than at parse
420 bool cs_input_local_size_specified
;
423 * If cs_input_local_size_specified is true, the local size that was
424 * specified. Otherwise ignored.
426 unsigned cs_input_local_size
[3];
429 * True if a compute shader input local variable size was specified using
430 * a layout directive as specified by ARB_compute_variable_group_size.
432 bool cs_input_local_size_variable_specified
;
435 * True if a shader declare bindless_sampler/bindless_image, and
436 * respectively bound_sampler/bound_image at global scope as specified by
437 * ARB_bindless_texture.
439 bool bindless_sampler_specified
;
440 bool bindless_image_specified
;
441 bool bound_sampler_specified
;
442 bool bound_image_specified
;
445 * Output layout qualifiers from GLSL 1.50 (geometry shader controls),
446 * and GLSL 4.00 (tessellation control shader).
448 struct ast_type_qualifier
*out_qualifier
;
451 * Printable list of GLSL versions supported by the current context
454 * This string should probably be generated per-context instead of per
455 * invokation of the compiler. This should be changed when the method of
456 * tracking supported GLSL versions changes.
458 const char *supported_version_string
;
461 * Implementation defined limits that affect built-in variables, etc.
463 * \sa struct gl_constants (in mtypes.h)
468 unsigned MaxClipPlanes
;
469 unsigned MaxTextureUnits
;
470 unsigned MaxTextureCoords
;
471 unsigned MaxVertexAttribs
;
472 unsigned MaxVertexUniformComponents
;
473 unsigned MaxVertexTextureImageUnits
;
474 unsigned MaxCombinedTextureImageUnits
;
475 unsigned MaxTextureImageUnits
;
476 unsigned MaxFragmentUniformComponents
;
478 /* ARB_draw_buffers */
479 unsigned MaxDrawBuffers
;
481 /* ARB_enhanced_layouts */
482 unsigned MaxTransformFeedbackBuffers
;
483 unsigned MaxTransformFeedbackInterleavedComponents
;
485 /* ARB_blend_func_extended */
486 unsigned MaxDualSourceDrawBuffers
;
489 int MinProgramTexelOffset
;
490 int MaxProgramTexelOffset
;
493 unsigned MaxVertexOutputComponents
;
494 unsigned MaxGeometryInputComponents
;
495 unsigned MaxGeometryOutputComponents
;
496 unsigned MaxFragmentInputComponents
;
497 unsigned MaxGeometryTextureImageUnits
;
498 unsigned MaxGeometryOutputVertices
;
499 unsigned MaxGeometryTotalOutputComponents
;
500 unsigned MaxGeometryUniformComponents
;
502 /* ARB_shader_atomic_counters */
503 unsigned MaxVertexAtomicCounters
;
504 unsigned MaxTessControlAtomicCounters
;
505 unsigned MaxTessEvaluationAtomicCounters
;
506 unsigned MaxGeometryAtomicCounters
;
507 unsigned MaxFragmentAtomicCounters
;
508 unsigned MaxCombinedAtomicCounters
;
509 unsigned MaxAtomicBufferBindings
;
511 /* These are also atomic counter related, but they weren't added to
512 * until atomic counters were added to core in GLSL 4.20 and GLSL ES
515 unsigned MaxVertexAtomicCounterBuffers
;
516 unsigned MaxTessControlAtomicCounterBuffers
;
517 unsigned MaxTessEvaluationAtomicCounterBuffers
;
518 unsigned MaxGeometryAtomicCounterBuffers
;
519 unsigned MaxFragmentAtomicCounterBuffers
;
520 unsigned MaxCombinedAtomicCounterBuffers
;
521 unsigned MaxAtomicCounterBufferSize
;
523 /* ARB_compute_shader */
524 unsigned MaxComputeAtomicCounterBuffers
;
525 unsigned MaxComputeAtomicCounters
;
526 unsigned MaxComputeImageUniforms
;
527 unsigned MaxComputeTextureImageUnits
;
528 unsigned MaxComputeUniformComponents
;
529 unsigned MaxComputeWorkGroupCount
[3];
530 unsigned MaxComputeWorkGroupSize
[3];
532 /* ARB_shader_image_load_store */
533 unsigned MaxImageUnits
;
534 unsigned MaxCombinedShaderOutputResources
;
535 unsigned MaxImageSamples
;
536 unsigned MaxVertexImageUniforms
;
537 unsigned MaxTessControlImageUniforms
;
538 unsigned MaxTessEvaluationImageUniforms
;
539 unsigned MaxGeometryImageUniforms
;
540 unsigned MaxFragmentImageUniforms
;
541 unsigned MaxCombinedImageUniforms
;
543 /* ARB_viewport_array */
544 unsigned MaxViewports
;
546 /* ARB_tessellation_shader */
547 unsigned MaxPatchVertices
;
548 unsigned MaxTessGenLevel
;
549 unsigned MaxTessControlInputComponents
;
550 unsigned MaxTessControlOutputComponents
;
551 unsigned MaxTessControlTextureImageUnits
;
552 unsigned MaxTessEvaluationInputComponents
;
553 unsigned MaxTessEvaluationOutputComponents
;
554 unsigned MaxTessEvaluationTextureImageUnits
;
555 unsigned MaxTessPatchComponents
;
556 unsigned MaxTessControlTotalOutputComponents
;
557 unsigned MaxTessControlUniformComponents
;
558 unsigned MaxTessEvaluationUniformComponents
;
560 /* GL 4.5 / OES_sample_variables */
565 * During AST to IR conversion, pointer to current IR function
567 * Will be \c NULL whenever the AST to IR conversion is not inside a
568 * function definition.
570 class ir_function_signature
*current_function
;
573 * During AST to IR conversion, pointer to the toplevel IR
574 * instruction list being generated.
576 exec_list
*toplevel_ir
;
578 /** Have we found a return statement in this function? */
581 /** Was there an error during compilation? */
585 * Are all shader inputs / outputs invariant?
587 * This is set when the 'STDGL invariant(all)' pragma is used.
591 /** Loop or switch statement containing the current instructions. */
592 class ast_iteration_statement
*loop_nesting_ast
;
594 struct glsl_switch_state switch_state
;
596 /** List of structures defined in user code. */
597 const glsl_type
**user_structures
;
598 unsigned num_user_structures
;
603 * \name Enable bits for GLSL extensions
606 /* ARB extensions go here, sorted alphabetically.
608 bool ARB_ES3_1_compatibility_enable
;
609 bool ARB_ES3_1_compatibility_warn
;
610 bool ARB_ES3_2_compatibility_enable
;
611 bool ARB_ES3_2_compatibility_warn
;
612 bool ARB_arrays_of_arrays_enable
;
613 bool ARB_arrays_of_arrays_warn
;
614 bool ARB_bindless_texture_enable
;
615 bool ARB_bindless_texture_warn
;
616 bool ARB_compatibility_enable
;
617 bool ARB_compatibility_warn
;
618 bool ARB_compute_shader_enable
;
619 bool ARB_compute_shader_warn
;
620 bool ARB_compute_variable_group_size_enable
;
621 bool ARB_compute_variable_group_size_warn
;
622 bool ARB_conservative_depth_enable
;
623 bool ARB_conservative_depth_warn
;
624 bool ARB_cull_distance_enable
;
625 bool ARB_cull_distance_warn
;
626 bool ARB_derivative_control_enable
;
627 bool ARB_derivative_control_warn
;
628 bool ARB_draw_buffers_enable
;
629 bool ARB_draw_buffers_warn
;
630 bool ARB_draw_instanced_enable
;
631 bool ARB_draw_instanced_warn
;
632 bool ARB_enhanced_layouts_enable
;
633 bool ARB_enhanced_layouts_warn
;
634 bool ARB_explicit_attrib_location_enable
;
635 bool ARB_explicit_attrib_location_warn
;
636 bool ARB_explicit_uniform_location_enable
;
637 bool ARB_explicit_uniform_location_warn
;
638 bool ARB_fragment_coord_conventions_enable
;
639 bool ARB_fragment_coord_conventions_warn
;
640 bool ARB_fragment_layer_viewport_enable
;
641 bool ARB_fragment_layer_viewport_warn
;
642 bool ARB_fragment_shader_interlock_enable
;
643 bool ARB_fragment_shader_interlock_warn
;
644 bool ARB_gpu_shader5_enable
;
645 bool ARB_gpu_shader5_warn
;
646 bool ARB_gpu_shader_fp64_enable
;
647 bool ARB_gpu_shader_fp64_warn
;
648 bool ARB_gpu_shader_int64_enable
;
649 bool ARB_gpu_shader_int64_warn
;
650 bool ARB_post_depth_coverage_enable
;
651 bool ARB_post_depth_coverage_warn
;
652 bool ARB_sample_shading_enable
;
653 bool ARB_sample_shading_warn
;
654 bool ARB_separate_shader_objects_enable
;
655 bool ARB_separate_shader_objects_warn
;
656 bool ARB_shader_atomic_counter_ops_enable
;
657 bool ARB_shader_atomic_counter_ops_warn
;
658 bool ARB_shader_atomic_counters_enable
;
659 bool ARB_shader_atomic_counters_warn
;
660 bool ARB_shader_ballot_enable
;
661 bool ARB_shader_ballot_warn
;
662 bool ARB_shader_bit_encoding_enable
;
663 bool ARB_shader_bit_encoding_warn
;
664 bool ARB_shader_clock_enable
;
665 bool ARB_shader_clock_warn
;
666 bool ARB_shader_draw_parameters_enable
;
667 bool ARB_shader_draw_parameters_warn
;
668 bool ARB_shader_group_vote_enable
;
669 bool ARB_shader_group_vote_warn
;
670 bool ARB_shader_image_load_store_enable
;
671 bool ARB_shader_image_load_store_warn
;
672 bool ARB_shader_image_size_enable
;
673 bool ARB_shader_image_size_warn
;
674 bool ARB_shader_precision_enable
;
675 bool ARB_shader_precision_warn
;
676 bool ARB_shader_stencil_export_enable
;
677 bool ARB_shader_stencil_export_warn
;
678 bool ARB_shader_storage_buffer_object_enable
;
679 bool ARB_shader_storage_buffer_object_warn
;
680 bool ARB_shader_subroutine_enable
;
681 bool ARB_shader_subroutine_warn
;
682 bool ARB_shader_texture_image_samples_enable
;
683 bool ARB_shader_texture_image_samples_warn
;
684 bool ARB_shader_texture_lod_enable
;
685 bool ARB_shader_texture_lod_warn
;
686 bool ARB_shader_viewport_layer_array_enable
;
687 bool ARB_shader_viewport_layer_array_warn
;
688 bool ARB_shading_language_420pack_enable
;
689 bool ARB_shading_language_420pack_warn
;
690 bool ARB_shading_language_packing_enable
;
691 bool ARB_shading_language_packing_warn
;
692 bool ARB_tessellation_shader_enable
;
693 bool ARB_tessellation_shader_warn
;
694 bool ARB_texture_cube_map_array_enable
;
695 bool ARB_texture_cube_map_array_warn
;
696 bool ARB_texture_gather_enable
;
697 bool ARB_texture_gather_warn
;
698 bool ARB_texture_multisample_enable
;
699 bool ARB_texture_multisample_warn
;
700 bool ARB_texture_query_levels_enable
;
701 bool ARB_texture_query_levels_warn
;
702 bool ARB_texture_query_lod_enable
;
703 bool ARB_texture_query_lod_warn
;
704 bool ARB_texture_rectangle_enable
;
705 bool ARB_texture_rectangle_warn
;
706 bool ARB_uniform_buffer_object_enable
;
707 bool ARB_uniform_buffer_object_warn
;
708 bool ARB_vertex_attrib_64bit_enable
;
709 bool ARB_vertex_attrib_64bit_warn
;
710 bool ARB_viewport_array_enable
;
711 bool ARB_viewport_array_warn
;
713 /* KHR extensions go here, sorted alphabetically.
715 bool KHR_blend_equation_advanced_enable
;
716 bool KHR_blend_equation_advanced_warn
;
718 /* OES extensions go here, sorted alphabetically.
720 bool OES_EGL_image_external_enable
;
721 bool OES_EGL_image_external_warn
;
722 bool OES_EGL_image_external_essl3_enable
;
723 bool OES_EGL_image_external_essl3_warn
;
724 bool OES_geometry_point_size_enable
;
725 bool OES_geometry_point_size_warn
;
726 bool OES_geometry_shader_enable
;
727 bool OES_geometry_shader_warn
;
728 bool OES_gpu_shader5_enable
;
729 bool OES_gpu_shader5_warn
;
730 bool OES_primitive_bounding_box_enable
;
731 bool OES_primitive_bounding_box_warn
;
732 bool OES_sample_variables_enable
;
733 bool OES_sample_variables_warn
;
734 bool OES_shader_image_atomic_enable
;
735 bool OES_shader_image_atomic_warn
;
736 bool OES_shader_io_blocks_enable
;
737 bool OES_shader_io_blocks_warn
;
738 bool OES_shader_multisample_interpolation_enable
;
739 bool OES_shader_multisample_interpolation_warn
;
740 bool OES_standard_derivatives_enable
;
741 bool OES_standard_derivatives_warn
;
742 bool OES_tessellation_point_size_enable
;
743 bool OES_tessellation_point_size_warn
;
744 bool OES_tessellation_shader_enable
;
745 bool OES_tessellation_shader_warn
;
746 bool OES_texture_3D_enable
;
747 bool OES_texture_3D_warn
;
748 bool OES_texture_buffer_enable
;
749 bool OES_texture_buffer_warn
;
750 bool OES_texture_cube_map_array_enable
;
751 bool OES_texture_cube_map_array_warn
;
752 bool OES_texture_storage_multisample_2d_array_enable
;
753 bool OES_texture_storage_multisample_2d_array_warn
;
754 bool OES_viewport_array_enable
;
755 bool OES_viewport_array_warn
;
757 /* All other extensions go here, sorted alphabetically.
759 bool AMD_conservative_depth_enable
;
760 bool AMD_conservative_depth_warn
;
761 bool AMD_shader_stencil_export_enable
;
762 bool AMD_shader_stencil_export_warn
;
763 bool AMD_shader_trinary_minmax_enable
;
764 bool AMD_shader_trinary_minmax_warn
;
765 bool AMD_vertex_shader_layer_enable
;
766 bool AMD_vertex_shader_layer_warn
;
767 bool AMD_vertex_shader_viewport_index_enable
;
768 bool AMD_vertex_shader_viewport_index_warn
;
769 bool ANDROID_extension_pack_es31a_enable
;
770 bool ANDROID_extension_pack_es31a_warn
;
771 bool EXT_blend_func_extended_enable
;
772 bool EXT_blend_func_extended_warn
;
773 bool EXT_clip_cull_distance_enable
;
774 bool EXT_clip_cull_distance_warn
;
775 bool EXT_draw_buffers_enable
;
776 bool EXT_draw_buffers_warn
;
777 bool EXT_frag_depth_enable
;
778 bool EXT_frag_depth_warn
;
779 bool EXT_geometry_point_size_enable
;
780 bool EXT_geometry_point_size_warn
;
781 bool EXT_geometry_shader_enable
;
782 bool EXT_geometry_shader_warn
;
783 bool EXT_gpu_shader5_enable
;
784 bool EXT_gpu_shader5_warn
;
785 bool EXT_primitive_bounding_box_enable
;
786 bool EXT_primitive_bounding_box_warn
;
787 bool EXT_separate_shader_objects_enable
;
788 bool EXT_separate_shader_objects_warn
;
789 bool EXT_shader_framebuffer_fetch_enable
;
790 bool EXT_shader_framebuffer_fetch_warn
;
791 bool EXT_shader_framebuffer_fetch_non_coherent_enable
;
792 bool EXT_shader_framebuffer_fetch_non_coherent_warn
;
793 bool EXT_shader_integer_mix_enable
;
794 bool EXT_shader_integer_mix_warn
;
795 bool EXT_shader_io_blocks_enable
;
796 bool EXT_shader_io_blocks_warn
;
797 bool EXT_shader_samples_identical_enable
;
798 bool EXT_shader_samples_identical_warn
;
799 bool EXT_tessellation_point_size_enable
;
800 bool EXT_tessellation_point_size_warn
;
801 bool EXT_tessellation_shader_enable
;
802 bool EXT_tessellation_shader_warn
;
803 bool EXT_texture_array_enable
;
804 bool EXT_texture_array_warn
;
805 bool EXT_texture_buffer_enable
;
806 bool EXT_texture_buffer_warn
;
807 bool EXT_texture_cube_map_array_enable
;
808 bool EXT_texture_cube_map_array_warn
;
809 bool INTEL_conservative_rasterization_enable
;
810 bool INTEL_conservative_rasterization_warn
;
811 bool MESA_shader_integer_functions_enable
;
812 bool MESA_shader_integer_functions_warn
;
813 bool NV_image_formats_enable
;
814 bool NV_image_formats_warn
;
817 /** Extensions supported by the OpenGL implementation. */
818 const struct gl_extensions
*extensions
;
820 bool uses_builtin_functions
;
821 bool fs_uses_gl_fragcoord
;
824 * For geometry shaders, size of the most recently seen input declaration
825 * that was a sized array, or 0 if no sized input array declarations have
828 * Unused for other shader types.
830 unsigned gs_input_size
;
832 bool fs_early_fragment_tests
;
834 bool fs_inner_coverage
;
836 bool fs_post_depth_coverage
;
838 bool fs_pixel_interlock_ordered
;
839 bool fs_pixel_interlock_unordered
;
840 bool fs_sample_interlock_ordered
;
841 bool fs_sample_interlock_unordered
;
843 unsigned fs_blend_support
;
846 * For tessellation control shaders, size of the most recently seen output
847 * declaration that was a sized array, or 0 if no sized output array
848 * declarations have been seen.
850 * Unused for other shader types.
852 unsigned tcs_output_size
;
854 /** Atomic counter offsets by binding */
855 unsigned atomic_counter_offsets
[MAX_COMBINED_ATOMIC_BUFFERS
];
857 bool allow_extension_directive_midshader
;
858 bool allow_builtin_variable_redeclaration
;
861 * Known subroutine type declarations.
863 int num_subroutine_types
;
864 ir_function
**subroutine_types
;
867 * Functions that are associated with
871 ir_function
**subroutines
;
874 * field selection temporary parser storage -
875 * did the parser just parse a dot.
880 * seen values for clip/cull distance sizes
881 * so we can check totals aren't too large.
883 unsigned clip_dist_size
, cull_dist_size
;
886 # define YYLLOC_DEFAULT(Current, Rhs, N) \
890 (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
891 (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
892 (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
893 (Current).last_column = YYRHSLOC(Rhs, N).last_column; \
897 (Current).first_line = (Current).last_line = \
898 YYRHSLOC(Rhs, 0).last_line; \
899 (Current).first_column = (Current).last_column = \
900 YYRHSLOC(Rhs, 0).last_column; \
902 (Current).source = 0; \
906 * Emit a warning to the shader log
908 * \sa _mesa_glsl_error
910 extern void _mesa_glsl_warning(const YYLTYPE
*locp
,
911 _mesa_glsl_parse_state
*state
,
912 const char *fmt
, ...);
914 extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state
*state
,
917 extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state
*state
);
920 extern int _mesa_glsl_lexer_lex(union YYSTYPE
*yylval
, YYLTYPE
*yylloc
,
923 extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state
*);
926 * Process elements of the #extension directive
929 * If \c name and \c behavior are valid, \c true is returned. Otherwise
930 * \c false is returned.
932 extern bool _mesa_glsl_process_extension(const char *name
, YYLTYPE
*name_locp
,
933 const char *behavior
,
934 YYLTYPE
*behavior_locp
,
935 _mesa_glsl_parse_state
*state
);
937 #endif /* __cplusplus */
941 * These definitions apply to C and C++
949 typedef void (*glcpp_extension_iterator
)(
950 struct _mesa_glsl_parse_state
*state
,
951 void (*add_builtin_define
)(struct glcpp_parser
*, const char *, int),
952 struct glcpp_parser
*data
,
956 extern int glcpp_preprocess(void *ctx
, const char **shader
, char **info_log
,
957 glcpp_extension_iterator extensions
,
958 struct _mesa_glsl_parse_state
*state
,
959 struct gl_context
*gl_ctx
);
961 extern void _mesa_destroy_shader_compiler(void);
962 extern void _mesa_destroy_shader_compiler_caches(void);
965 _mesa_glsl_copy_symbols_from_table(struct exec_list
*shader_ir
,
966 struct glsl_symbol_table
*src
,
967 struct glsl_symbol_table
*dest
);
974 #endif /* GLSL_PARSER_EXTRAS_H */