diff options
Diffstat (limited to 'src/compiler/glsl/glsl_parser_extras.cpp')
| -rw-r--r-- | src/compiler/glsl/glsl_parser_extras.cpp | 281 |
1 files changed, 159 insertions, 122 deletions
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp index 007743497d4..ff638fd8013 100644 --- a/src/compiler/glsl/glsl_parser_extras.cpp +++ b/src/compiler/glsl/glsl_parser_extras.cpp @@ -50,6 +50,8 @@ glsl_compute_version_string(void *mem_ctx, bool is_es, unsigned version) static const unsigned known_desktop_glsl_versions[] = { 110, 120, 130, 140, 150, 330, 400, 410, 420, 430, 440, 450 }; +static const unsigned known_desktop_gl_versions[] = + { 20, 21, 30, 31, 32, 33, 40, 41, 42, 43, 44, 45 }; _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, @@ -75,6 +77,7 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, this->language_version = 110; this->forced_language_version = ctx->Const.ForceGLSLVersion; this->zero_init = ctx->Const.GLSLZeroInit; + this->gl_version = 20; this->es_shader = false; this->ARB_texture_rectangle_enable = true; @@ -195,9 +198,9 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, this->subroutine_types = NULL; /* supported_versions should be large enough to support the known desktop - * GLSL versions plus 3 GLES versions (ES 1.00, ES 3.00, and ES 3.10)) + * GLSL versions plus 4 GLES versions (ES 1.00, ES 3.00, ES 3.10, ES 3.20) */ - STATIC_ASSERT((ARRAY_SIZE(known_desktop_glsl_versions) + 3) == + STATIC_ASSERT((ARRAY_SIZE(known_desktop_glsl_versions) + 4) == ARRAY_SIZE(this->supported_versions)); /* Populate the list of supported GLSL versions */ @@ -212,6 +215,8 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, if (known_desktop_glsl_versions[i] <= ctx->Const.GLSLVersion) { this->supported_versions[this->num_supported_versions].ver = known_desktop_glsl_versions[i]; + this->supported_versions[this->num_supported_versions].gl_ver + = known_desktop_gl_versions[i]; this->supported_versions[this->num_supported_versions].es = false; this->num_supported_versions++; } @@ -219,22 +224,26 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, } if (ctx->API == API_OPENGLES2 || ctx->Extensions.ARB_ES2_compatibility) { this->supported_versions[this->num_supported_versions].ver = 100; + this->supported_versions[this->num_supported_versions].gl_ver = 20; this->supported_versions[this->num_supported_versions].es = true; this->num_supported_versions++; } if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) { this->supported_versions[this->num_supported_versions].ver = 300; + this->supported_versions[this->num_supported_versions].gl_ver = 30; this->supported_versions[this->num_supported_versions].es = true; this->num_supported_versions++; } if (_mesa_is_gles31(ctx) || ctx->Extensions.ARB_ES3_1_compatibility) { this->supported_versions[this->num_supported_versions].ver = 310; + this->supported_versions[this->num_supported_versions].gl_ver = 31; this->supported_versions[this->num_supported_versions].es = true; this->num_supported_versions++; } if ((ctx->API == API_OPENGLES2 && ctx->Version >= 32) || ctx->Extensions.ARB_ES3_2_compatibility) { this->supported_versions[this->num_supported_versions].ver = 320; + this->supported_versions[this->num_supported_versions].gl_ver = 32; this->supported_versions[this->num_supported_versions].es = true; this->num_supported_versions++; } @@ -399,6 +408,7 @@ _mesa_glsl_parse_state::process_version_directive(YYLTYPE *locp, int version, for (unsigned i = 0; i < this->num_supported_versions; i++) { if (this->supported_versions[i].ver == this->language_version && this->supported_versions[i].es == this->es_shader) { + this->gl_version = this->supported_versions[i].gl_ver; supported = true; break; } @@ -511,28 +521,12 @@ struct _mesa_glsl_extension { */ const char *name; - /** True if this extension is available to desktop GL shaders */ - bool avail_in_GL; - - /** True if this extension is available to GLES shaders */ - bool avail_in_ES; - /** - * Flag in the gl_extensions struct indicating whether this - * extension is supported by the driver, or - * &gl_extensions::dummy_true if supported by all drivers. - * - * Note: the type (GLboolean gl_extensions::*) is a "pointer to - * member" type, the type-safe alternative to the "offsetof" macro. - * In a nutshell: - * - * - foo bar::* p declares p to be an "offset" to a field of type - * foo that exists within struct bar - * - &bar::baz computes the "offset" of field baz within struct bar - * - x.*p accesses the field of x that exists at "offset" p - * - x->*p is equivalent to (*x).*p + * Predicate that checks whether the relevant extension is available for + * this context. */ - const GLboolean gl_extensions::* supported_flag; + bool (*available_pred)(const struct gl_context *, + gl_api api, uint8_t version); /** * Flag in the _mesa_glsl_parse_state struct that should be set @@ -553,12 +547,24 @@ struct _mesa_glsl_extension { bool _mesa_glsl_parse_state::* warn_flag; - bool compatible_with_state(const _mesa_glsl_parse_state *state) const; + bool compatible_with_state(const _mesa_glsl_parse_state *state, + gl_api api, uint8_t gl_version) const; void set_flags(_mesa_glsl_parse_state *state, ext_behavior behavior) const; }; -#define EXT(NAME, GL, ES, SUPPORTED_FLAG) \ - { "GL_" #NAME, GL, ES, &gl_extensions::SUPPORTED_FLAG, \ +/** Checks if the context supports a user-facing extension */ +#define EXT(name_str, driver_cap, ...) \ +static MAYBE_UNUSED bool \ +has_##name_str(const struct gl_context *ctx, gl_api api, uint8_t version) \ +{ \ + return ctx->Extensions.driver_cap && (version >= \ + _mesa_extension_table[MESA_EXTENSION_##name_str].version[api]); \ +} +#include "main/extensions_table.h" +#undef EXT + +#define EXT(NAME) \ + { "GL_" #NAME, has_##NAME, \ &_mesa_glsl_parse_state::NAME##_enable, \ &_mesa_glsl_parse_state::NAME##_warn } @@ -567,92 +573,89 @@ struct _mesa_glsl_extension { * and the conditions under which they are supported. */ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { - /* API availability */ - /* name GL ES supported flag */ - /* ARB extensions go here, sorted alphabetically. */ - EXT(ARB_ES3_1_compatibility, true, false, ARB_ES3_1_compatibility), - EXT(ARB_ES3_2_compatibility, true, false, ARB_ES3_2_compatibility), - EXT(ARB_arrays_of_arrays, true, false, ARB_arrays_of_arrays), - EXT(ARB_compute_shader, true, false, ARB_compute_shader), - EXT(ARB_conservative_depth, true, false, ARB_conservative_depth), - EXT(ARB_cull_distance, true, false, ARB_cull_distance), - EXT(ARB_derivative_control, true, false, ARB_derivative_control), - EXT(ARB_draw_buffers, true, false, dummy_true), - EXT(ARB_draw_instanced, true, false, ARB_draw_instanced), - EXT(ARB_enhanced_layouts, true, false, ARB_enhanced_layouts), - EXT(ARB_explicit_attrib_location, true, false, ARB_explicit_attrib_location), - EXT(ARB_explicit_uniform_location, true, false, ARB_explicit_uniform_location), - EXT(ARB_fragment_coord_conventions, true, false, ARB_fragment_coord_conventions), - EXT(ARB_fragment_layer_viewport, true, false, ARB_fragment_layer_viewport), - EXT(ARB_gpu_shader5, true, false, ARB_gpu_shader5), - EXT(ARB_gpu_shader_fp64, true, false, ARB_gpu_shader_fp64), - EXT(ARB_sample_shading, true, false, ARB_sample_shading), - EXT(ARB_separate_shader_objects, true, false, dummy_true), - EXT(ARB_shader_atomic_counter_ops, true, false, ARB_shader_atomic_counter_ops), - EXT(ARB_shader_atomic_counters, true, false, ARB_shader_atomic_counters), - EXT(ARB_shader_bit_encoding, true, false, ARB_shader_bit_encoding), - EXT(ARB_shader_clock, true, false, ARB_shader_clock), - EXT(ARB_shader_draw_parameters, true, false, ARB_shader_draw_parameters), - EXT(ARB_shader_group_vote, true, false, ARB_shader_group_vote), - EXT(ARB_shader_image_load_store, true, false, ARB_shader_image_load_store), - EXT(ARB_shader_image_size, true, false, ARB_shader_image_size), - EXT(ARB_shader_precision, true, false, ARB_shader_precision), - EXT(ARB_shader_stencil_export, true, false, ARB_shader_stencil_export), - EXT(ARB_shader_storage_buffer_object, true, true, ARB_shader_storage_buffer_object), - EXT(ARB_shader_subroutine, true, false, ARB_shader_subroutine), - EXT(ARB_shader_texture_image_samples, true, false, ARB_shader_texture_image_samples), - EXT(ARB_shader_texture_lod, true, false, ARB_shader_texture_lod), - EXT(ARB_shading_language_420pack, true, false, ARB_shading_language_420pack), - EXT(ARB_shading_language_packing, true, false, ARB_shading_language_packing), - EXT(ARB_tessellation_shader, true, false, ARB_tessellation_shader), - EXT(ARB_texture_cube_map_array, true, false, ARB_texture_cube_map_array), - EXT(ARB_texture_gather, true, false, ARB_texture_gather), - EXT(ARB_texture_multisample, true, false, ARB_texture_multisample), - EXT(ARB_texture_query_levels, true, false, ARB_texture_query_levels), - EXT(ARB_texture_query_lod, true, false, ARB_texture_query_lod), - EXT(ARB_texture_rectangle, true, false, dummy_true), - EXT(ARB_uniform_buffer_object, true, false, ARB_uniform_buffer_object), - EXT(ARB_vertex_attrib_64bit, true, false, ARB_vertex_attrib_64bit), - EXT(ARB_viewport_array, true, false, ARB_viewport_array), + EXT(ARB_ES3_1_compatibility), + EXT(ARB_ES3_2_compatibility), + EXT(ARB_arrays_of_arrays), + EXT(ARB_compute_shader), + EXT(ARB_conservative_depth), + EXT(ARB_cull_distance), + EXT(ARB_derivative_control), + EXT(ARB_draw_buffers), + EXT(ARB_draw_instanced), + EXT(ARB_enhanced_layouts), + EXT(ARB_explicit_attrib_location), + EXT(ARB_explicit_uniform_location), + EXT(ARB_fragment_coord_conventions), + EXT(ARB_fragment_layer_viewport), + EXT(ARB_gpu_shader5), + EXT(ARB_gpu_shader_fp64), + EXT(ARB_sample_shading), + EXT(ARB_separate_shader_objects), + EXT(ARB_shader_atomic_counter_ops), + EXT(ARB_shader_atomic_counters), + EXT(ARB_shader_bit_encoding), + EXT(ARB_shader_clock), + EXT(ARB_shader_draw_parameters), + EXT(ARB_shader_group_vote), + EXT(ARB_shader_image_load_store), + EXT(ARB_shader_image_size), + EXT(ARB_shader_precision), + EXT(ARB_shader_stencil_export), + EXT(ARB_shader_storage_buffer_object), + EXT(ARB_shader_subroutine), + EXT(ARB_shader_texture_image_samples), + EXT(ARB_shader_texture_lod), + EXT(ARB_shading_language_420pack), + EXT(ARB_shading_language_packing), + EXT(ARB_tessellation_shader), + EXT(ARB_texture_cube_map_array), + EXT(ARB_texture_gather), + EXT(ARB_texture_multisample), + EXT(ARB_texture_query_levels), + EXT(ARB_texture_query_lod), + EXT(ARB_texture_rectangle), + EXT(ARB_uniform_buffer_object), + EXT(ARB_vertex_attrib_64bit), + EXT(ARB_viewport_array), /* KHR extensions go here, sorted alphabetically. */ /* OES extensions go here, sorted alphabetically. */ - EXT(OES_EGL_image_external, false, true, OES_EGL_image_external), - EXT(OES_geometry_point_size, false, true, OES_geometry_shader), - EXT(OES_geometry_shader, false, true, OES_geometry_shader), - EXT(OES_gpu_shader5, false, true, ARB_gpu_shader5), - EXT(OES_sample_variables, false, true, OES_sample_variables), - EXT(OES_shader_image_atomic, false, true, ARB_shader_image_load_store), - EXT(OES_shader_io_blocks, false, true, OES_shader_io_blocks), - EXT(OES_shader_multisample_interpolation, false, true, OES_sample_variables), - EXT(OES_standard_derivatives, false, true, OES_standard_derivatives), - EXT(OES_texture_3D, false, true, dummy_true), - EXT(OES_texture_buffer, false, true, OES_texture_buffer), - EXT(OES_texture_storage_multisample_2d_array, false, true, ARB_texture_multisample), + EXT(OES_EGL_image_external), + EXT(OES_geometry_point_size), + EXT(OES_geometry_shader), + EXT(OES_gpu_shader5), + EXT(OES_sample_variables), + EXT(OES_shader_image_atomic), + EXT(OES_shader_io_blocks), + EXT(OES_shader_multisample_interpolation), + EXT(OES_standard_derivatives), + EXT(OES_texture_3D), + EXT(OES_texture_buffer), + EXT(OES_texture_storage_multisample_2d_array), /* All other extensions go here, sorted alphabetically. */ - EXT(AMD_conservative_depth, true, false, ARB_conservative_depth), - EXT(AMD_shader_stencil_export, true, false, ARB_shader_stencil_export), - EXT(AMD_shader_trinary_minmax, true, false, dummy_true), - EXT(AMD_vertex_shader_layer, true, false, AMD_vertex_shader_layer), - EXT(AMD_vertex_shader_viewport_index, true, false, AMD_vertex_shader_viewport_index), - EXT(EXT_blend_func_extended, false, true, ARB_blend_func_extended), - EXT(EXT_draw_buffers, false, true, dummy_true), - EXT(EXT_clip_cull_distance, false, true, ARB_cull_distance), - EXT(EXT_gpu_shader5, false, true, ARB_gpu_shader5), - EXT(EXT_separate_shader_objects, false, true, dummy_true), - EXT(EXT_shader_integer_mix, true, true, EXT_shader_integer_mix), - EXT(EXT_shader_io_blocks, false, true, OES_shader_io_blocks), - EXT(EXT_shader_samples_identical, true, true, EXT_shader_samples_identical), - EXT(EXT_texture_array, true, false, EXT_texture_array), - EXT(EXT_texture_buffer, false, true, OES_texture_buffer), - EXT(MESA_shader_integer_functions, true, true, MESA_shader_integer_functions), + EXT(AMD_conservative_depth), + EXT(AMD_shader_stencil_export), + EXT(AMD_shader_trinary_minmax), + EXT(AMD_vertex_shader_layer), + EXT(AMD_vertex_shader_viewport_index), + EXT(EXT_blend_func_extended), + EXT(EXT_draw_buffers), + EXT(EXT_clip_cull_distance), + EXT(EXT_gpu_shader5), + EXT(EXT_separate_shader_objects), + EXT(EXT_shader_integer_mix), + EXT(EXT_shader_io_blocks), + EXT(EXT_shader_samples_identical), + EXT(EXT_texture_array), + EXT(EXT_texture_buffer), + EXT(MESA_shader_integer_functions), }; #undef EXT @@ -662,26 +665,10 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { * Determine whether a given extension is compatible with the target, * API, and extension information in the current parser state. */ -bool _mesa_glsl_extension::compatible_with_state(const _mesa_glsl_parse_state * - state) const +bool _mesa_glsl_extension::compatible_with_state( + const _mesa_glsl_parse_state *state, gl_api api, uint8_t gl_version) const { - /* Check that this extension matches whether we are compiling - * for desktop GL or GLES. - */ - if (state->es_shader) { - if (!this->avail_in_ES) return false; - } else { - if (!this->avail_in_GL) return false; - } - - /* Check that this extension is supported by the OpenGL - * implementation. - * - * Note: the ->* operator indexes into state->extensions by the - * offset this->supported_flag. See - * _mesa_glsl_extension::supported_flag for more info. - */ - return state->extensions->*(this->supported_flag); + return this->available_pred(state->ctx, api, gl_version); } /** @@ -719,6 +706,8 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, const char *behavior_string, YYLTYPE *behavior_locp, _mesa_glsl_parse_state *state) { + uint8_t gl_version = state->ctx->Extensions.Version; + gl_api api = state->ctx->API; ext_behavior behavior; if (strcmp(behavior_string, "warn") == 0) { behavior = extension_warn; @@ -735,6 +724,17 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, return false; } + /* If we're in a desktop context but with an ES shader, use an ES API enum + * to verify extension availability. + */ + if (state->es_shader && api != API_OPENGLES2) + api = API_OPENGLES2; + /* Use the language-version derived GL version to extension checks, unless + * we're using meta, which sets the version to the max. + */ + if (gl_version != 0xff) + gl_version = state->gl_version; + if (strcmp(name, "all") == 0) { if ((behavior == extension_enable) || (behavior == extension_require)) { _mesa_glsl_error(name_locp, state, "cannot %s all extensions", @@ -746,14 +746,14 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, i < ARRAY_SIZE(_mesa_glsl_supported_extensions); ++i) { const _mesa_glsl_extension *extension = &_mesa_glsl_supported_extensions[i]; - if (extension->compatible_with_state(state)) { + if (extension->compatible_with_state(state, api, gl_version)) { _mesa_glsl_supported_extensions[i].set_flags(state, behavior); } } } } else { const _mesa_glsl_extension *extension = find_extension(name); - if (extension && extension->compatible_with_state(state)) { + if (extension && extension->compatible_with_state(state, api, gl_version)) { extension->set_flags(state, behavior); } else { static const char fmt[] = "extension `%s' unsupported in %s shader"; @@ -1790,6 +1790,43 @@ assign_subroutine_indexes(struct gl_shader *sh, } } +static void +add_builtin_defines(struct _mesa_glsl_parse_state *state, + void (*add_builtin_define)(struct glcpp_parser *, const char *, int), + struct glcpp_parser *data, + unsigned version, + bool es) +{ + unsigned gl_version = state->ctx->Extensions.Version; + gl_api api = state->ctx->API; + + if (gl_version != 0xff) { + unsigned i; + for (i = 0; i < state->num_supported_versions; i++) { + if (state->supported_versions[i].ver == version && + state->supported_versions[i].es == es) { + gl_version = state->supported_versions[i].gl_ver; + break; + } + } + + if (i == state->num_supported_versions) + return; + } + + if (es) + api = API_OPENGLES2; + + for (unsigned i = 0; + i < ARRAY_SIZE(_mesa_glsl_supported_extensions); ++i) { + const _mesa_glsl_extension *extension + = &_mesa_glsl_supported_extensions[i]; + if (extension->compatible_with_state(state, api, gl_version)) { + add_builtin_define(data, extension->name, 1); + } + } +} + void _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader, bool dump_ast, bool dump_hir) @@ -1803,7 +1840,7 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader, false, true); state->error = glcpp_preprocess(state, &source, &state->info_log, - &ctx->Extensions, ctx); + add_builtin_defines, state, ctx); if (!state->error) { _mesa_glsl_lexer_ctor(state, source); |