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
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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
{
71 /* Path for ARB_shading_language_include include source */
74 # define YYLTYPE_IS_DECLARED 1
75 # define YYLTYPE_IS_TRIVIAL 1
77 extern void _mesa_glsl_error(YYLTYPE
*locp
, _mesa_glsl_parse_state
*state
,
78 const char *fmt
, ...);
81 struct _mesa_glsl_parse_state
{
82 _mesa_glsl_parse_state(struct gl_context
*_ctx
, gl_shader_stage stage
,
85 DECLARE_RZALLOC_CXX_OPERATORS(_mesa_glsl_parse_state
);
88 * Generate a string representing the GLSL version currently being compiled
89 * (useful for error messages).
91 const char *get_version_string()
93 return glsl_compute_version_string(this, this->es_shader
,
94 this->language_version
);
98 * Determine whether the current GLSL version is sufficiently high to
99 * support a certain feature.
101 * \param required_glsl_version is the desktop GLSL version that is
102 * required to support the feature, or 0 if no version of desktop GLSL
103 * supports the feature.
105 * \param required_glsl_es_version is the GLSL ES version that is required
106 * to support the feature, or 0 if no version of GLSL ES supports the
109 bool is_version(unsigned required_glsl_version
,
110 unsigned required_glsl_es_version
) const
112 unsigned required_version
= this->es_shader
?
113 required_glsl_es_version
: required_glsl_version
;
114 unsigned this_version
= this->forced_language_version
115 ? this->forced_language_version
: this->language_version
;
116 return required_version
!= 0
117 && this_version
>= required_version
;
120 bool check_version(unsigned required_glsl_version
,
121 unsigned required_glsl_es_version
,
122 YYLTYPE
*locp
, const char *fmt
, ...) PRINTFLIKE(5, 6);
124 bool check_arrays_of_arrays_allowed(YYLTYPE
*locp
)
126 if (!(ARB_arrays_of_arrays_enable
|| is_version(430, 310))) {
127 const char *const requirement
= this->es_shader
129 : "GL_ARB_arrays_of_arrays or GLSL 4.30";
130 _mesa_glsl_error(locp
, this,
131 "%s required for defining arrays of arrays.",
138 bool check_precision_qualifiers_allowed(YYLTYPE
*locp
)
140 return check_version(130, 100, locp
,
141 "precision qualifiers are forbidden");
144 bool check_bitwise_operations_allowed(YYLTYPE
*locp
)
146 return EXT_gpu_shader4_enable
||
147 check_version(130, 300, locp
, "bit-wise operations are forbidden");
150 bool check_explicit_attrib_stream_allowed(YYLTYPE
*locp
)
152 if (!this->has_explicit_attrib_stream()) {
153 const char *const requirement
= "GL_ARB_gpu_shader5 extension or GLSL 4.00";
155 _mesa_glsl_error(locp
, this, "explicit stream requires %s",
163 bool check_explicit_attrib_location_allowed(YYLTYPE
*locp
,
164 const ir_variable
*var
)
166 if (!this->has_explicit_attrib_location()) {
167 const char *const requirement
= this->es_shader
169 : "GL_ARB_explicit_attrib_location extension or GLSL 3.30";
171 _mesa_glsl_error(locp
, this, "%s explicit location requires %s",
172 mode_string(var
), requirement
);
179 bool check_separate_shader_objects_allowed(YYLTYPE
*locp
,
180 const ir_variable
*var
)
182 if (!this->has_separate_shader_objects()) {
183 const char *const requirement
= this->es_shader
184 ? "GL_EXT_separate_shader_objects extension or GLSL ES 3.10"
185 : "GL_ARB_separate_shader_objects extension or GLSL 4.20";
187 _mesa_glsl_error(locp
, this, "%s explicit location requires %s",
188 mode_string(var
), requirement
);
195 bool check_explicit_uniform_location_allowed(YYLTYPE
*locp
,
198 if (!this->has_explicit_attrib_location() ||
199 !this->has_explicit_uniform_location()) {
200 const char *const requirement
= this->es_shader
202 : "GL_ARB_explicit_uniform_location and either "
203 "GL_ARB_explicit_attrib_location or GLSL 3.30.";
205 _mesa_glsl_error(locp
, this,
206 "uniform explicit location requires %s",
214 bool has_atomic_counters() const
216 return ARB_shader_atomic_counters_enable
|| is_version(420, 310);
219 bool has_enhanced_layouts() const
221 return ARB_enhanced_layouts_enable
|| is_version(440, 0);
224 bool has_explicit_attrib_stream() const
226 return ARB_gpu_shader5_enable
|| is_version(400, 0);
229 bool has_explicit_attrib_location() const
231 return ARB_explicit_attrib_location_enable
|| is_version(330, 300);
234 bool has_explicit_uniform_location() const
236 return ARB_explicit_uniform_location_enable
|| is_version(430, 310);
239 bool has_uniform_buffer_objects() const
241 return ARB_uniform_buffer_object_enable
|| is_version(140, 300);
244 bool has_shader_storage_buffer_objects() const
246 return ARB_shader_storage_buffer_object_enable
|| is_version(430, 310);
249 bool has_separate_shader_objects() const
251 return ARB_separate_shader_objects_enable
|| is_version(410, 310)
252 || EXT_separate_shader_objects_enable
;
255 bool has_double() const
257 return ARB_gpu_shader_fp64_enable
|| is_version(400, 0);
260 bool has_int64() const
262 return ARB_gpu_shader_int64_enable
||
263 AMD_gpu_shader_int64_enable
;
266 bool has_420pack() const
268 return ARB_shading_language_420pack_enable
|| is_version(420, 0);
271 bool has_420pack_or_es31() const
273 return ARB_shading_language_420pack_enable
|| is_version(420, 310);
276 bool has_compute_shader() const
278 return ARB_compute_shader_enable
|| is_version(430, 310);
281 bool has_shader_io_blocks() const
283 /* The OES_geometry_shader_specification says:
285 * "If the OES_geometry_shader extension is enabled, the
286 * OES_shader_io_blocks extension is also implicitly enabled."
288 * The OES_tessellation_shader extension has similar wording.
290 return OES_shader_io_blocks_enable
||
291 EXT_shader_io_blocks_enable
||
292 OES_geometry_shader_enable
||
293 EXT_geometry_shader_enable
||
294 OES_tessellation_shader_enable
||
295 EXT_tessellation_shader_enable
||
297 is_version(150, 320);
300 bool has_geometry_shader() const
302 return OES_geometry_shader_enable
|| EXT_geometry_shader_enable
||
303 is_version(150, 320);
306 bool has_tessellation_shader() const
308 return ARB_tessellation_shader_enable
||
309 OES_tessellation_shader_enable
||
310 EXT_tessellation_shader_enable
||
311 is_version(400, 320);
314 bool has_clip_distance() const
316 return EXT_clip_cull_distance_enable
|| is_version(130, 0);
319 bool has_cull_distance() const
321 return EXT_clip_cull_distance_enable
||
322 ARB_cull_distance_enable
||
326 bool has_framebuffer_fetch() const
328 return EXT_shader_framebuffer_fetch_enable
||
329 EXT_shader_framebuffer_fetch_non_coherent_enable
;
332 bool has_texture_cube_map_array() const
334 return ARB_texture_cube_map_array_enable
||
335 EXT_texture_cube_map_array_enable
||
336 OES_texture_cube_map_array_enable
||
337 is_version(400, 320);
340 bool has_shader_image_load_store() const
342 return ARB_shader_image_load_store_enable
||
343 EXT_shader_image_load_store_enable
||
344 is_version(420, 310);
347 bool has_bindless() const
349 return ARB_bindless_texture_enable
;
352 bool has_image_load_formatted() const
354 return EXT_shader_image_load_formatted_enable
;
357 bool has_implicit_conversions() const
359 return EXT_shader_implicit_conversions_enable
||
360 is_version(allow_glsl_120_subset_in_110
? 110 : 120, 0);
363 bool has_implicit_int_to_uint_conversion() const
365 return ARB_gpu_shader5_enable
||
366 MESA_shader_integer_functions_enable
||
367 EXT_shader_implicit_conversions_enable
||
371 void process_version_directive(YYLTYPE
*locp
, int version
,
374 struct gl_context
*const ctx
;
376 exec_list translation_unit
;
377 glsl_symbol_table
*symbols
;
381 unsigned num_supported_versions
;
386 } supported_versions
[17];
390 unsigned language_version
;
391 unsigned forced_language_version
;
392 /* Bitfield of ir_variable_mode to zero init */
395 gl_shader_stage stage
;
398 * Default uniform layout qualifiers tracked during parsing.
399 * Currently affects uniform blocks and uniform buffer variables in
402 struct ast_type_qualifier
*default_uniform_qualifier
;
405 * Default shader storage layout qualifiers tracked during parsing.
406 * Currently affects shader storage blocks and shader storage buffer
407 * variables in those blocks.
409 struct ast_type_qualifier
*default_shader_storage_qualifier
;
412 * Variables to track different cases if a fragment shader redeclares
413 * built-in variable gl_FragCoord.
415 * Note: These values are computed at ast_to_hir time rather than at parse
418 bool fs_redeclares_gl_fragcoord
;
419 bool fs_origin_upper_left
;
420 bool fs_pixel_center_integer
;
421 bool fs_redeclares_gl_fragcoord_with_no_layout_qualifiers
;
424 * True if a geometry shader input primitive type or tessellation control
425 * output vertices were specified using a layout directive.
427 * Note: these values are computed at ast_to_hir time rather than at parse
430 bool gs_input_prim_type_specified
;
431 bool tcs_output_vertices_specified
;
434 * Input layout qualifiers from GLSL 1.50 (geometry shader controls),
435 * and GLSL 4.00 (tessellation evaluation shader)
437 struct ast_type_qualifier
*in_qualifier
;
440 * True if a compute shader input local size was specified using a layout
443 * Note: this value is computed at ast_to_hir time rather than at parse
446 bool cs_input_local_size_specified
;
449 * If cs_input_local_size_specified is true, the local size that was
450 * specified. Otherwise ignored.
452 unsigned cs_input_local_size
[3];
455 * True if a compute shader input local variable size was specified using
456 * a layout directive as specified by ARB_compute_variable_group_size.
458 bool cs_input_local_size_variable_specified
;
461 * Arrangement of invocations used to calculate derivatives in a compute
462 * shader. From NV_compute_shader_derivatives.
464 enum gl_derivative_group cs_derivative_group
;
467 * True if a shader declare bindless_sampler/bindless_image, and
468 * respectively bound_sampler/bound_image at global scope as specified by
469 * ARB_bindless_texture.
471 bool bindless_sampler_specified
;
472 bool bindless_image_specified
;
473 bool bound_sampler_specified
;
474 bool bound_image_specified
;
477 * Output layout qualifiers from GLSL 1.50 (geometry shader controls),
478 * and GLSL 4.00 (tessellation control shader).
480 struct ast_type_qualifier
*out_qualifier
;
483 * Printable list of GLSL versions supported by the current context
486 * This string should probably be generated per-context instead of per
487 * invokation of the compiler. This should be changed when the method of
488 * tracking supported GLSL versions changes.
490 const char *supported_version_string
;
493 * Implementation defined limits that affect built-in variables, etc.
495 * \sa struct gl_constants (in mtypes.h)
500 unsigned MaxClipPlanes
;
501 unsigned MaxTextureUnits
;
502 unsigned MaxTextureCoords
;
503 unsigned MaxVertexAttribs
;
504 unsigned MaxVertexUniformComponents
;
505 unsigned MaxVertexTextureImageUnits
;
506 unsigned MaxCombinedTextureImageUnits
;
507 unsigned MaxTextureImageUnits
;
508 unsigned MaxFragmentUniformComponents
;
510 /* ARB_draw_buffers */
511 unsigned MaxDrawBuffers
;
513 /* ARB_enhanced_layouts */
514 unsigned MaxTransformFeedbackBuffers
;
515 unsigned MaxTransformFeedbackInterleavedComponents
;
517 /* ARB_blend_func_extended */
518 unsigned MaxDualSourceDrawBuffers
;
521 int MinProgramTexelOffset
;
522 int MaxProgramTexelOffset
;
525 unsigned MaxVertexOutputComponents
;
526 unsigned MaxGeometryInputComponents
;
527 unsigned MaxGeometryOutputComponents
;
528 unsigned MaxGeometryShaderInvocations
;
529 unsigned MaxFragmentInputComponents
;
530 unsigned MaxGeometryTextureImageUnits
;
531 unsigned MaxGeometryOutputVertices
;
532 unsigned MaxGeometryTotalOutputComponents
;
533 unsigned MaxGeometryUniformComponents
;
535 /* ARB_shader_atomic_counters */
536 unsigned MaxVertexAtomicCounters
;
537 unsigned MaxTessControlAtomicCounters
;
538 unsigned MaxTessEvaluationAtomicCounters
;
539 unsigned MaxGeometryAtomicCounters
;
540 unsigned MaxFragmentAtomicCounters
;
541 unsigned MaxCombinedAtomicCounters
;
542 unsigned MaxAtomicBufferBindings
;
544 /* These are also atomic counter related, but they weren't added to
545 * until atomic counters were added to core in GLSL 4.20 and GLSL ES
548 unsigned MaxVertexAtomicCounterBuffers
;
549 unsigned MaxTessControlAtomicCounterBuffers
;
550 unsigned MaxTessEvaluationAtomicCounterBuffers
;
551 unsigned MaxGeometryAtomicCounterBuffers
;
552 unsigned MaxFragmentAtomicCounterBuffers
;
553 unsigned MaxCombinedAtomicCounterBuffers
;
554 unsigned MaxAtomicCounterBufferSize
;
556 /* ARB_compute_shader */
557 unsigned MaxComputeAtomicCounterBuffers
;
558 unsigned MaxComputeAtomicCounters
;
559 unsigned MaxComputeImageUniforms
;
560 unsigned MaxComputeTextureImageUnits
;
561 unsigned MaxComputeUniformComponents
;
562 unsigned MaxComputeWorkGroupCount
[3];
563 unsigned MaxComputeWorkGroupSize
[3];
565 /* ARB_shader_image_load_store */
566 unsigned MaxImageUnits
;
567 unsigned MaxCombinedShaderOutputResources
;
568 unsigned MaxImageSamples
;
569 unsigned MaxVertexImageUniforms
;
570 unsigned MaxTessControlImageUniforms
;
571 unsigned MaxTessEvaluationImageUniforms
;
572 unsigned MaxGeometryImageUniforms
;
573 unsigned MaxFragmentImageUniforms
;
574 unsigned MaxCombinedImageUniforms
;
576 /* ARB_viewport_array */
577 unsigned MaxViewports
;
579 /* ARB_tessellation_shader */
580 unsigned MaxPatchVertices
;
581 unsigned MaxTessGenLevel
;
582 unsigned MaxTessControlInputComponents
;
583 unsigned MaxTessControlOutputComponents
;
584 unsigned MaxTessControlTextureImageUnits
;
585 unsigned MaxTessEvaluationInputComponents
;
586 unsigned MaxTessEvaluationOutputComponents
;
587 unsigned MaxTessEvaluationTextureImageUnits
;
588 unsigned MaxTessPatchComponents
;
589 unsigned MaxTessControlTotalOutputComponents
;
590 unsigned MaxTessControlUniformComponents
;
591 unsigned MaxTessEvaluationUniformComponents
;
593 /* GL 4.5 / OES_sample_variables */
598 * During AST to IR conversion, pointer to current IR function
600 * Will be \c NULL whenever the AST to IR conversion is not inside a
601 * function definition.
603 class ir_function_signature
*current_function
;
606 * During AST to IR conversion, pointer to the toplevel IR
607 * instruction list being generated.
609 exec_list
*toplevel_ir
;
611 /** Have we found a return statement in this function? */
614 /** Have we found the interlock builtins in this function? */
615 bool found_begin_interlock
;
616 bool found_end_interlock
;
618 /** Was there an error during compilation? */
622 * Are all shader inputs / outputs invariant?
624 * This is set when the 'STDGL invariant(all)' pragma is used.
628 /** Loop or switch statement containing the current instructions. */
629 class ast_iteration_statement
*loop_nesting_ast
;
631 struct glsl_switch_state switch_state
;
633 /** List of structures defined in user code. */
634 const glsl_type
**user_structures
;
635 unsigned num_user_structures
;
640 * Are warnings enabled?
642 * Emission of warngins is controlled by '#pragma warning(...)'.
644 bool warnings_enabled
;
647 * \name Enable bits for GLSL extensions
650 /* ARB extensions go here, sorted alphabetically.
652 bool ARB_ES3_1_compatibility_enable
;
653 bool ARB_ES3_1_compatibility_warn
;
654 bool ARB_ES3_2_compatibility_enable
;
655 bool ARB_ES3_2_compatibility_warn
;
656 bool ARB_arrays_of_arrays_enable
;
657 bool ARB_arrays_of_arrays_warn
;
658 bool ARB_bindless_texture_enable
;
659 bool ARB_bindless_texture_warn
;
660 bool ARB_compatibility_enable
;
661 bool ARB_compatibility_warn
;
662 bool ARB_compute_shader_enable
;
663 bool ARB_compute_shader_warn
;
664 bool ARB_compute_variable_group_size_enable
;
665 bool ARB_compute_variable_group_size_warn
;
666 bool ARB_conservative_depth_enable
;
667 bool ARB_conservative_depth_warn
;
668 bool ARB_cull_distance_enable
;
669 bool ARB_cull_distance_warn
;
670 bool ARB_derivative_control_enable
;
671 bool ARB_derivative_control_warn
;
672 bool ARB_draw_buffers_enable
;
673 bool ARB_draw_buffers_warn
;
674 bool ARB_draw_instanced_enable
;
675 bool ARB_draw_instanced_warn
;
676 bool ARB_enhanced_layouts_enable
;
677 bool ARB_enhanced_layouts_warn
;
678 bool ARB_explicit_attrib_location_enable
;
679 bool ARB_explicit_attrib_location_warn
;
680 bool ARB_explicit_uniform_location_enable
;
681 bool ARB_explicit_uniform_location_warn
;
682 bool ARB_fragment_coord_conventions_enable
;
683 bool ARB_fragment_coord_conventions_warn
;
684 bool ARB_fragment_layer_viewport_enable
;
685 bool ARB_fragment_layer_viewport_warn
;
686 bool ARB_fragment_shader_interlock_enable
;
687 bool ARB_fragment_shader_interlock_warn
;
688 bool ARB_gpu_shader5_enable
;
689 bool ARB_gpu_shader5_warn
;
690 bool ARB_gpu_shader_fp64_enable
;
691 bool ARB_gpu_shader_fp64_warn
;
692 bool ARB_gpu_shader_int64_enable
;
693 bool ARB_gpu_shader_int64_warn
;
694 bool ARB_post_depth_coverage_enable
;
695 bool ARB_post_depth_coverage_warn
;
696 bool ARB_sample_shading_enable
;
697 bool ARB_sample_shading_warn
;
698 bool ARB_separate_shader_objects_enable
;
699 bool ARB_separate_shader_objects_warn
;
700 bool ARB_shader_atomic_counter_ops_enable
;
701 bool ARB_shader_atomic_counter_ops_warn
;
702 bool ARB_shader_atomic_counters_enable
;
703 bool ARB_shader_atomic_counters_warn
;
704 bool ARB_shader_ballot_enable
;
705 bool ARB_shader_ballot_warn
;
706 bool ARB_shader_bit_encoding_enable
;
707 bool ARB_shader_bit_encoding_warn
;
708 bool ARB_shader_clock_enable
;
709 bool ARB_shader_clock_warn
;
710 bool ARB_shader_draw_parameters_enable
;
711 bool ARB_shader_draw_parameters_warn
;
712 bool ARB_shader_group_vote_enable
;
713 bool ARB_shader_group_vote_warn
;
714 bool ARB_shader_image_load_store_enable
;
715 bool ARB_shader_image_load_store_warn
;
716 bool ARB_shader_image_size_enable
;
717 bool ARB_shader_image_size_warn
;
718 bool ARB_shader_precision_enable
;
719 bool ARB_shader_precision_warn
;
720 bool ARB_shader_stencil_export_enable
;
721 bool ARB_shader_stencil_export_warn
;
722 bool ARB_shader_storage_buffer_object_enable
;
723 bool ARB_shader_storage_buffer_object_warn
;
724 bool ARB_shader_subroutine_enable
;
725 bool ARB_shader_subroutine_warn
;
726 bool ARB_shader_texture_image_samples_enable
;
727 bool ARB_shader_texture_image_samples_warn
;
728 bool ARB_shader_texture_lod_enable
;
729 bool ARB_shader_texture_lod_warn
;
730 bool ARB_shader_viewport_layer_array_enable
;
731 bool ARB_shader_viewport_layer_array_warn
;
732 bool ARB_shading_language_420pack_enable
;
733 bool ARB_shading_language_420pack_warn
;
734 bool ARB_shading_language_include_enable
;
735 bool ARB_shading_language_include_warn
;
736 bool ARB_shading_language_packing_enable
;
737 bool ARB_shading_language_packing_warn
;
738 bool ARB_tessellation_shader_enable
;
739 bool ARB_tessellation_shader_warn
;
740 bool ARB_texture_cube_map_array_enable
;
741 bool ARB_texture_cube_map_array_warn
;
742 bool ARB_texture_gather_enable
;
743 bool ARB_texture_gather_warn
;
744 bool ARB_texture_multisample_enable
;
745 bool ARB_texture_multisample_warn
;
746 bool ARB_texture_query_levels_enable
;
747 bool ARB_texture_query_levels_warn
;
748 bool ARB_texture_query_lod_enable
;
749 bool ARB_texture_query_lod_warn
;
750 bool ARB_texture_rectangle_enable
;
751 bool ARB_texture_rectangle_warn
;
752 bool ARB_uniform_buffer_object_enable
;
753 bool ARB_uniform_buffer_object_warn
;
754 bool ARB_vertex_attrib_64bit_enable
;
755 bool ARB_vertex_attrib_64bit_warn
;
756 bool ARB_viewport_array_enable
;
757 bool ARB_viewport_array_warn
;
759 /* KHR extensions go here, sorted alphabetically.
761 bool KHR_blend_equation_advanced_enable
;
762 bool KHR_blend_equation_advanced_warn
;
764 /* OES extensions go here, sorted alphabetically.
766 bool OES_EGL_image_external_enable
;
767 bool OES_EGL_image_external_warn
;
768 bool OES_EGL_image_external_essl3_enable
;
769 bool OES_EGL_image_external_essl3_warn
;
770 bool OES_geometry_point_size_enable
;
771 bool OES_geometry_point_size_warn
;
772 bool OES_geometry_shader_enable
;
773 bool OES_geometry_shader_warn
;
774 bool OES_gpu_shader5_enable
;
775 bool OES_gpu_shader5_warn
;
776 bool OES_primitive_bounding_box_enable
;
777 bool OES_primitive_bounding_box_warn
;
778 bool OES_sample_variables_enable
;
779 bool OES_sample_variables_warn
;
780 bool OES_shader_image_atomic_enable
;
781 bool OES_shader_image_atomic_warn
;
782 bool OES_shader_io_blocks_enable
;
783 bool OES_shader_io_blocks_warn
;
784 bool OES_shader_multisample_interpolation_enable
;
785 bool OES_shader_multisample_interpolation_warn
;
786 bool OES_standard_derivatives_enable
;
787 bool OES_standard_derivatives_warn
;
788 bool OES_tessellation_point_size_enable
;
789 bool OES_tessellation_point_size_warn
;
790 bool OES_tessellation_shader_enable
;
791 bool OES_tessellation_shader_warn
;
792 bool OES_texture_3D_enable
;
793 bool OES_texture_3D_warn
;
794 bool OES_texture_buffer_enable
;
795 bool OES_texture_buffer_warn
;
796 bool OES_texture_cube_map_array_enable
;
797 bool OES_texture_cube_map_array_warn
;
798 bool OES_texture_storage_multisample_2d_array_enable
;
799 bool OES_texture_storage_multisample_2d_array_warn
;
800 bool OES_viewport_array_enable
;
801 bool OES_viewport_array_warn
;
803 /* All other extensions go here, sorted alphabetically.
805 bool AMD_conservative_depth_enable
;
806 bool AMD_conservative_depth_warn
;
807 bool AMD_gpu_shader_int64_enable
;
808 bool AMD_gpu_shader_int64_warn
;
809 bool AMD_shader_stencil_export_enable
;
810 bool AMD_shader_stencil_export_warn
;
811 bool AMD_shader_trinary_minmax_enable
;
812 bool AMD_shader_trinary_minmax_warn
;
813 bool AMD_texture_texture4_enable
;
814 bool AMD_texture_texture4_warn
;
815 bool AMD_vertex_shader_layer_enable
;
816 bool AMD_vertex_shader_layer_warn
;
817 bool AMD_vertex_shader_viewport_index_enable
;
818 bool AMD_vertex_shader_viewport_index_warn
;
819 bool ANDROID_extension_pack_es31a_enable
;
820 bool ANDROID_extension_pack_es31a_warn
;
821 bool EXT_blend_func_extended_enable
;
822 bool EXT_blend_func_extended_warn
;
823 bool EXT_clip_cull_distance_enable
;
824 bool EXT_clip_cull_distance_warn
;
825 bool EXT_demote_to_helper_invocation_enable
;
826 bool EXT_demote_to_helper_invocation_warn
;
827 bool EXT_draw_buffers_enable
;
828 bool EXT_draw_buffers_warn
;
829 bool EXT_draw_instanced_enable
;
830 bool EXT_draw_instanced_warn
;
831 bool EXT_frag_depth_enable
;
832 bool EXT_frag_depth_warn
;
833 bool EXT_geometry_point_size_enable
;
834 bool EXT_geometry_point_size_warn
;
835 bool EXT_geometry_shader_enable
;
836 bool EXT_geometry_shader_warn
;
837 bool EXT_gpu_shader4_enable
;
838 bool EXT_gpu_shader4_warn
;
839 bool EXT_gpu_shader5_enable
;
840 bool EXT_gpu_shader5_warn
;
841 bool EXT_primitive_bounding_box_enable
;
842 bool EXT_primitive_bounding_box_warn
;
843 bool EXT_separate_shader_objects_enable
;
844 bool EXT_separate_shader_objects_warn
;
845 bool EXT_shader_framebuffer_fetch_enable
;
846 bool EXT_shader_framebuffer_fetch_warn
;
847 bool EXT_shader_framebuffer_fetch_non_coherent_enable
;
848 bool EXT_shader_framebuffer_fetch_non_coherent_warn
;
849 bool EXT_shader_group_vote_enable
;
850 bool EXT_shader_group_vote_warn
;
851 bool EXT_shader_image_load_formatted_enable
;
852 bool EXT_shader_image_load_formatted_warn
;
853 bool EXT_shader_image_load_store_enable
;
854 bool EXT_shader_image_load_store_warn
;
855 bool EXT_shader_implicit_conversions_enable
;
856 bool EXT_shader_implicit_conversions_warn
;
857 bool EXT_shader_integer_mix_enable
;
858 bool EXT_shader_integer_mix_warn
;
859 bool EXT_shader_io_blocks_enable
;
860 bool EXT_shader_io_blocks_warn
;
861 bool EXT_shader_samples_identical_enable
;
862 bool EXT_shader_samples_identical_warn
;
863 bool EXT_tessellation_point_size_enable
;
864 bool EXT_tessellation_point_size_warn
;
865 bool EXT_tessellation_shader_enable
;
866 bool EXT_tessellation_shader_warn
;
867 bool EXT_texture_array_enable
;
868 bool EXT_texture_array_warn
;
869 bool EXT_texture_buffer_enable
;
870 bool EXT_texture_buffer_warn
;
871 bool EXT_texture_cube_map_array_enable
;
872 bool EXT_texture_cube_map_array_warn
;
873 bool EXT_texture_query_lod_enable
;
874 bool EXT_texture_query_lod_warn
;
875 bool EXT_texture_shadow_lod_enable
;
876 bool EXT_texture_shadow_lod_warn
;
877 bool INTEL_conservative_rasterization_enable
;
878 bool INTEL_conservative_rasterization_warn
;
879 bool INTEL_shader_atomic_float_minmax_enable
;
880 bool INTEL_shader_atomic_float_minmax_warn
;
881 bool INTEL_shader_integer_functions2_enable
;
882 bool INTEL_shader_integer_functions2_warn
;
883 bool MESA_shader_integer_functions_enable
;
884 bool MESA_shader_integer_functions_warn
;
885 bool NV_compute_shader_derivatives_enable
;
886 bool NV_compute_shader_derivatives_warn
;
887 bool NV_fragment_shader_interlock_enable
;
888 bool NV_fragment_shader_interlock_warn
;
889 bool NV_image_formats_enable
;
890 bool NV_image_formats_warn
;
891 bool NV_shader_atomic_float_enable
;
892 bool NV_shader_atomic_float_warn
;
893 bool NV_viewport_array2_enable
;
894 bool NV_viewport_array2_warn
;
897 /** Extensions supported by the OpenGL implementation. */
898 const struct gl_extensions
*extensions
;
900 bool uses_builtin_functions
;
901 bool fs_uses_gl_fragcoord
;
904 * For geometry shaders, size of the most recently seen input declaration
905 * that was a sized array, or 0 if no sized input array declarations have
908 * Unused for other shader types.
910 unsigned gs_input_size
;
912 bool fs_early_fragment_tests
;
914 bool fs_inner_coverage
;
916 bool fs_post_depth_coverage
;
918 bool fs_pixel_interlock_ordered
;
919 bool fs_pixel_interlock_unordered
;
920 bool fs_sample_interlock_ordered
;
921 bool fs_sample_interlock_unordered
;
923 unsigned fs_blend_support
;
926 * For tessellation control shaders, size of the most recently seen output
927 * declaration that was a sized array, or 0 if no sized output array
928 * declarations have been seen.
930 * Unused for other shader types.
932 unsigned tcs_output_size
;
934 /** Atomic counter offsets by binding */
935 unsigned atomic_counter_offsets
[MAX_COMBINED_ATOMIC_BUFFERS
];
937 /** Whether gl_Layer output is viewport-relative. */
938 bool redeclares_gl_layer
;
939 bool layer_viewport_relative
;
941 bool allow_extension_directive_midshader
;
942 bool allow_glsl_120_subset_in_110
;
943 bool allow_builtin_variable_redeclaration
;
944 bool allow_layout_qualifier_on_function_parameter
;
947 * Known subroutine type declarations.
949 int num_subroutine_types
;
950 ir_function
**subroutine_types
;
953 * Functions that are associated with
957 ir_function
**subroutines
;
960 * field selection temporary parser storage -
961 * did the parser just parse a dot.
966 * seen values for clip/cull distance sizes
967 * so we can check totals aren't too large.
969 unsigned clip_dist_size
, cull_dist_size
;
972 # define YYLLOC_DEFAULT(Current, Rhs, N) \
976 (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
977 (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
978 (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
979 (Current).last_column = YYRHSLOC(Rhs, N).last_column; \
980 (Current).path = YYRHSLOC(Rhs, N).path; \
984 (Current).first_line = (Current).last_line = \
985 YYRHSLOC(Rhs, 0).last_line; \
986 (Current).first_column = (Current).last_column = \
987 YYRHSLOC(Rhs, 0).last_column; \
988 (Current).path = YYRHSLOC(Rhs, 0).path; \
990 (Current).source = 0; \
994 * Emit a warning to the shader log
996 * \sa _mesa_glsl_error
998 extern void _mesa_glsl_warning(const YYLTYPE
*locp
,
999 _mesa_glsl_parse_state
*state
,
1000 const char *fmt
, ...);
1002 extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state
*state
,
1003 const char *string
);
1005 extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state
*state
);
1008 extern int _mesa_glsl_lexer_lex(union YYSTYPE
*yylval
, YYLTYPE
*yylloc
,
1011 extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state
*);
1014 * Process elements of the #extension directive
1017 * If \c name and \c behavior are valid, \c true is returned. Otherwise
1018 * \c false is returned.
1020 extern bool _mesa_glsl_process_extension(const char *name
, YYLTYPE
*name_locp
,
1021 const char *behavior
,
1022 YYLTYPE
*behavior_locp
,
1023 _mesa_glsl_parse_state
*state
);
1025 #endif /* __cplusplus */
1029 * These definitions apply to C and C++
1035 struct glcpp_parser
;
1036 struct _mesa_glsl_parse_state
;
1038 typedef void (*glcpp_extension_iterator
)(
1039 struct _mesa_glsl_parse_state
*state
,
1040 void (*add_builtin_define
)(struct glcpp_parser
*, const char *, int),
1041 struct glcpp_parser
*data
,
1045 extern int glcpp_preprocess(void *ctx
, const char **shader
, char **info_log
,
1046 glcpp_extension_iterator extensions
,
1047 struct _mesa_glsl_parse_state
*state
,
1048 struct gl_context
*gl_ctx
);
1051 _mesa_glsl_copy_symbols_from_table(struct exec_list
*shader_ir
,
1052 struct glsl_symbol_table
*src
,
1053 struct glsl_symbol_table
*dest
);
1060 #endif /* GLSL_PARSER_EXTRAS_H */