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Diffstat (limited to 'mesalib/src/glsl/builtin_types.cpp')
| -rw-r--r-- | mesalib/src/glsl/builtin_types.cpp | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/mesalib/src/glsl/builtin_types.cpp b/mesalib/src/glsl/builtin_types.cpp new file mode 100644 index 000000000..722eda2da --- /dev/null +++ b/mesalib/src/glsl/builtin_types.cpp @@ -0,0 +1,288 @@ +/* + * Copyright © 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file builtin_types.cpp + * + * The glsl_type class has static members to represent all the built-in types + * (such as the glsl_type::_float_type flyweight) as well as convenience pointer + * accessors (such as glsl_type::float_type). Those global variables are + * declared and initialized in this file. + * + * This also contains _mesa_glsl_initialize_types(), a function which populates + * a symbol table with the available built-in types for a particular language + * version and set of enabled extensions. + */ + +#include "glsl_types.h" +#include "glsl_parser_extras.h" + +/** + * Declarations of type flyweights (glsl_type::_foo_type) and + * convenience pointers (glsl_type::foo_type). + * @{ + */ +#define DECL_TYPE(NAME, ...) \ + const glsl_type glsl_type::_##NAME##_type = glsl_type(__VA_ARGS__, #NAME); \ + const glsl_type *const glsl_type::NAME##_type = &glsl_type::_##NAME##_type; + +#define STRUCT_TYPE(NAME) \ + const glsl_type glsl_type::_struct_##NAME##_type = \ + glsl_type(NAME##_fields, Elements(NAME##_fields), #NAME); \ + const glsl_type *const glsl_type::struct_##NAME##_type = \ + &glsl_type::_struct_##NAME##_type; + +static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = { + { glsl_type::float_type, "near", false }, + { glsl_type::float_type, "far", false }, + { glsl_type::float_type, "diff", false }, +}; + +static const struct glsl_struct_field gl_PointParameters_fields[] = { + { glsl_type::float_type, "size", false }, + { glsl_type::float_type, "sizeMin", false }, + { glsl_type::float_type, "sizeMax", false }, + { glsl_type::float_type, "fadeThresholdSize", false }, + { glsl_type::float_type, "distanceConstantAttenuation", false }, + { glsl_type::float_type, "distanceLinearAttenuation", false }, + { glsl_type::float_type, "distanceQuadraticAttenuation", false }, +}; + +static const struct glsl_struct_field gl_MaterialParameters_fields[] = { + { glsl_type::vec4_type, "emission", false }, + { glsl_type::vec4_type, "ambient", false }, + { glsl_type::vec4_type, "diffuse", false }, + { glsl_type::vec4_type, "specular", false }, + { glsl_type::float_type, "shininess", false }, +}; + +static const struct glsl_struct_field gl_LightSourceParameters_fields[] = { + { glsl_type::vec4_type, "ambient", false }, + { glsl_type::vec4_type, "diffuse", false }, + { glsl_type::vec4_type, "specular", false }, + { glsl_type::vec4_type, "position", false }, + { glsl_type::vec4_type, "halfVector", false }, + { glsl_type::vec3_type, "spotDirection", false }, + { glsl_type::float_type, "spotExponent", false }, + { glsl_type::float_type, "spotCutoff", false }, + { glsl_type::float_type, "spotCosCutoff", false }, + { glsl_type::float_type, "constantAttenuation", false }, + { glsl_type::float_type, "linearAttenuation", false }, + { glsl_type::float_type, "quadraticAttenuation", false }, +}; + +static const struct glsl_struct_field gl_LightModelParameters_fields[] = { + { glsl_type::vec4_type, "ambient", false }, +}; + +static const struct glsl_struct_field gl_LightModelProducts_fields[] = { + { glsl_type::vec4_type, "sceneColor", false }, +}; + +static const struct glsl_struct_field gl_LightProducts_fields[] = { + { glsl_type::vec4_type, "ambient", false }, + { glsl_type::vec4_type, "diffuse", false }, + { glsl_type::vec4_type, "specular", false }, +}; + +static const struct glsl_struct_field gl_FogParameters_fields[] = { + { glsl_type::vec4_type, "color", false }, + { glsl_type::float_type, "density", false }, + { glsl_type::float_type, "start", false }, + { glsl_type::float_type, "end", false }, + { glsl_type::float_type, "scale", false }, +}; + +#include "builtin_type_macros.h" +/** @} */ + +/** + * Code to populate a symbol table with the built-in types available in a + * particular shading language version. The table below contains tags every + * type with the GLSL/GLSL ES versions where it was introduced. + * + * @{ + */ +#define T(TYPE, MIN_GL, MIN_ES) \ + { glsl_type::TYPE##_type, MIN_GL, MIN_ES }, + +const static struct builtin_type_versions { + const glsl_type *const type; + int min_gl; + int min_es; +} builtin_type_versions[] = { + T(void, 110, 100) + T(bool, 110, 100) + T(bvec2, 110, 100) + T(bvec3, 110, 100) + T(bvec4, 110, 100) + T(int, 110, 100) + T(ivec2, 110, 100) + T(ivec3, 110, 100) + T(ivec4, 110, 100) + T(uint, 130, 300) + T(uvec2, 130, 300) + T(uvec3, 130, 300) + T(uvec4, 130, 300) + T(float, 110, 100) + T(vec2, 110, 100) + T(vec3, 110, 100) + T(vec4, 110, 100) + T(mat2, 110, 100) + T(mat3, 110, 100) + T(mat4, 110, 100) + T(mat2x3, 120, 300) + T(mat2x4, 120, 300) + T(mat3x2, 120, 300) + T(mat3x4, 120, 300) + T(mat4x2, 120, 300) + T(mat4x3, 120, 300) + + T(sampler1D, 110, 999) + T(sampler2D, 110, 100) + T(sampler3D, 110, 300) + T(samplerCube, 110, 100) + T(sampler1DArray, 130, 999) + T(sampler2DArray, 130, 300) + T(samplerCubeArray, 400, 999) + T(sampler2DRect, 140, 999) + T(samplerBuffer, 140, 999) + T(sampler2DMS, 150, 999) + T(sampler2DMSArray, 150, 999) + + T(isampler1D, 130, 999) + T(isampler2D, 130, 300) + T(isampler3D, 130, 300) + T(isamplerCube, 130, 300) + T(isampler1DArray, 130, 999) + T(isampler2DArray, 130, 300) + T(isamplerCubeArray, 400, 999) + T(isampler2DRect, 140, 999) + T(isamplerBuffer, 140, 999) + T(isampler2DMS, 150, 999) + T(isampler2DMSArray, 150, 999) + + T(usampler1D, 130, 999) + T(usampler2D, 130, 300) + T(usampler3D, 130, 300) + T(usamplerCube, 130, 300) + T(usampler1DArray, 130, 999) + T(usampler2DArray, 130, 300) + T(usamplerCubeArray, 400, 999) + T(usampler2DRect, 140, 999) + T(usamplerBuffer, 140, 999) + T(usampler2DMS, 150, 999) + T(usampler2DMSArray, 150, 999) + + T(sampler1DShadow, 110, 999) + T(sampler2DShadow, 110, 300) + T(samplerCubeShadow, 130, 300) + T(sampler1DArrayShadow, 130, 999) + T(sampler2DArrayShadow, 130, 300) + T(samplerCubeArrayShadow, 400, 999) + T(sampler2DRectShadow, 140, 999) + + T(struct_gl_DepthRangeParameters, 110, 100) +}; + +const glsl_type *const deprecated_types[] = { + glsl_type::struct_gl_PointParameters_type, + glsl_type::struct_gl_MaterialParameters_type, + glsl_type::struct_gl_LightSourceParameters_type, + glsl_type::struct_gl_LightModelParameters_type, + glsl_type::struct_gl_LightModelProducts_type, + glsl_type::struct_gl_LightProducts_type, + glsl_type::struct_gl_FogParameters_type, +}; + +static inline void +add_type(glsl_symbol_table *symbols, const glsl_type *const type) +{ + symbols->add_type(type->name, type); +} + +/** + * Populate the symbol table with available built-in types. + */ +void +_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state) +{ + struct glsl_symbol_table *symbols = state->symbols; + + for (unsigned i = 0; i < Elements(builtin_type_versions); i++) { + const struct builtin_type_versions *const t = &builtin_type_versions[i]; + if (state->is_version(t->min_gl, t->min_es)) { + add_type(symbols, t->type); + } + } + + /* Add deprecated structure types. While these were deprecated in 1.30, + * they're still present. We've removed them in 1.40+ (OpenGL 3.1+). + */ + if (!state->es_shader && state->language_version < 140) { + for (unsigned i = 0; i < Elements(deprecated_types); i++) { + add_type(symbols, deprecated_types[i]); + } + } + + /* Add types for enabled extensions. They may have already been added + * by the version-based loop, but attempting to add them a second time + * is harmless. + */ + if (state->ARB_texture_cube_map_array_enable) { + add_type(symbols, glsl_type::samplerCubeArray_type); + add_type(symbols, glsl_type::samplerCubeArrayShadow_type); + add_type(symbols, glsl_type::isamplerCubeArray_type); + add_type(symbols, glsl_type::usamplerCubeArray_type); + } + + if (state->ARB_texture_multisample_enable) { + add_type(symbols, glsl_type::sampler2DMS_type); + add_type(symbols, glsl_type::isampler2DMS_type); + add_type(symbols, glsl_type::usampler2DMS_type); + add_type(symbols, glsl_type::sampler2DMSArray_type); + add_type(symbols, glsl_type::isampler2DMSArray_type); + add_type(symbols, glsl_type::usampler2DMSArray_type); + } + + if (state->ARB_texture_rectangle_enable) { + add_type(symbols, glsl_type::sampler2DRect_type); + add_type(symbols, glsl_type::sampler2DRectShadow_type); + } + + if (state->EXT_texture_array_enable) { + add_type(symbols, glsl_type::sampler1DArray_type); + add_type(symbols, glsl_type::sampler2DArray_type); + add_type(symbols, glsl_type::sampler1DArrayShadow_type); + add_type(symbols, glsl_type::sampler2DArrayShadow_type); + } + + if (state->OES_EGL_image_external_enable) { + add_type(symbols, glsl_type::samplerExternalOES_type); + } + + if (state->OES_texture_3D_enable) { + add_type(symbols, glsl_type::sampler3D_type); + } +} +/** @} */ |