src/glsl/builtin_types.h

   1 /*
   2  * Copyright © 2009 Intel Corporation
   3  *
   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:
  10  *
  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
  13  * Software.
  14  *
  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.
  22  */
  23
  24 const glsl_type glsl_type::_error_type =
  25    glsl_type(GL_INVALID_ENUM, GLSL_TYPE_ERROR, 0, 0, "");
  26
  27 const glsl_type glsl_type::void_type =
  28    glsl_type(GL_INVALID_ENUM, GLSL_TYPE_VOID, 0, 0, "void");
  29
  30 const glsl_type *const glsl_type::error_type = & glsl_type::_error_type;
  31
  32 /** \name Core built-in types
  33  *
  34  * These types exist in all versions of GLSL.
  35  */
  36 /*@{*/
  37
  38 const glsl_type glsl_type::builtin_core_types[] = {
  39    glsl_type(GL_BOOL,         GLSL_TYPE_BOOL, 1, 1, "bool"),
  40    glsl_type(GL_BOOL_VEC2,    GLSL_TYPE_BOOL, 2, 1, "bvec2"),
  41    glsl_type(GL_BOOL_VEC3,    GLSL_TYPE_BOOL, 3, 1, "bvec3"),
  42    glsl_type(GL_BOOL_VEC4,    GLSL_TYPE_BOOL, 4, 1, "bvec4"),
  43    glsl_type(GL_INT,          GLSL_TYPE_INT, 1, 1, "int"),
  44    glsl_type(GL_INT_VEC2,     GLSL_TYPE_INT, 2, 1, "ivec2"),
  45    glsl_type(GL_INT_VEC3,     GLSL_TYPE_INT, 3, 1, "ivec3"),
  46    glsl_type(GL_INT_VEC4,     GLSL_TYPE_INT, 4, 1, "ivec4"),
  47    glsl_type(GL_FLOAT,        GLSL_TYPE_FLOAT, 1, 1, "float"),
  48    glsl_type(GL_FLOAT_VEC2,   GLSL_TYPE_FLOAT, 2, 1, "vec2"),
  49    glsl_type(GL_FLOAT_VEC3,   GLSL_TYPE_FLOAT, 3, 1, "vec3"),
  50    glsl_type(GL_FLOAT_VEC4,   GLSL_TYPE_FLOAT, 4, 1, "vec4"),
  51    glsl_type(GL_FLOAT_MAT2,   GLSL_TYPE_FLOAT, 2, 2, "mat2"),
  52    glsl_type(GL_FLOAT_MAT3,   GLSL_TYPE_FLOAT, 3, 3, "mat3"),
  53    glsl_type(GL_FLOAT_MAT4,   GLSL_TYPE_FLOAT, 4, 4, "mat4"),
  54    glsl_type(GL_SAMPLER_1D,   GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_FLOAT,
  55              "sampler1D"),
  56    glsl_type(GL_SAMPLER_1D_SHADOW, GLSL_SAMPLER_DIM_1D, 1, 0, GLSL_TYPE_FLOAT,
  57              "sampler1DShadow"),
  58    glsl_type(GL_SAMPLER_2D,   GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_FLOAT,
  59              "sampler2D"),
  60    glsl_type(GL_SAMPLER_2D_SHADOW, GLSL_SAMPLER_DIM_2D, 1, 0, GLSL_TYPE_FLOAT,
  61              "sampler2DShadow"),
  62    glsl_type(GL_SAMPLER_3D,   GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_FLOAT,
  63              "sampler3D"),
  64    glsl_type(GL_SAMPLER_CUBE, GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_FLOAT,
  65              "samplerCube"),
  66 };
  67
  68 const glsl_type *const glsl_type::bool_type  = & builtin_core_types[0];
  69 const glsl_type *const glsl_type::int_type   = & builtin_core_types[4];
  70 const glsl_type *const glsl_type::ivec4_type = & builtin_core_types[7];
  71 const glsl_type *const glsl_type::float_type = & builtin_core_types[8];
  72 const glsl_type *const glsl_type::vec2_type = & builtin_core_types[9];
  73 const glsl_type *const glsl_type::vec3_type = & builtin_core_types[10];
  74 const glsl_type *const glsl_type::vec4_type = & builtin_core_types[11];
  75 const glsl_type *const glsl_type::mat2_type = & builtin_core_types[12];
  76 const glsl_type *const glsl_type::mat3_type = & builtin_core_types[13];
  77 const glsl_type *const glsl_type::mat4_type = & builtin_core_types[14];
  78 /*@}*/
  79
  80 /** \name GLSL structures that have not been deprecated.
  81  */
  82 /*@{*/
  83
  84 static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = {
  85    { glsl_type::float_type, "near" },
  86    { glsl_type::float_type, "far" },
  87    { glsl_type::float_type, "diff" },
  88 };
  89
  90 const glsl_type glsl_type::builtin_structure_types[] = {
  91    glsl_type(gl_DepthRangeParameters_fields,
  92              Elements(gl_DepthRangeParameters_fields),
  93              "gl_DepthRangeParameters"),
  94 };
  95 /*@}*/
  96
  97 /** \name GLSL 1.00 / 1.10 structures that are deprecated in GLSL 1.30
  98  */
  99 /*@{*/
 100
 101 static const struct glsl_struct_field gl_PointParameters_fields[] = {
 102    { glsl_type::float_type, "size" },
 103    { glsl_type::float_type, "sizeMin" },
 104    { glsl_type::float_type, "sizeMax" },
 105    { glsl_type::float_type, "fadeThresholdSize" },
 106    { glsl_type::float_type, "distanceConstantAttenuation" },
 107    { glsl_type::float_type, "distanceLinearAttenuation" },
 108    { glsl_type::float_type, "distanceQuadraticAttenuation" },
 109 };
 110
 111 static const struct glsl_struct_field gl_MaterialParameters_fields[] = {
 112    { glsl_type::vec4_type, "emission" },
 113    { glsl_type::vec4_type, "ambient" },
 114    { glsl_type::vec4_type, "diffuse" },
 115    { glsl_type::vec4_type, "specular" },
 116    { glsl_type::float_type, "shininess" },
 117 };
 118
 119 static const struct glsl_struct_field gl_LightSourceParameters_fields[] = {
 120    { glsl_type::vec4_type, "ambient" },
 121    { glsl_type::vec4_type, "diffuse" },
 122    { glsl_type::vec4_type, "specular" },
 123    { glsl_type::vec4_type, "position" },
 124    { glsl_type::vec4_type, "halfVector" },
 125    { glsl_type::vec3_type, "spotDirection" },
 126    { glsl_type::float_type, "spotExponent" },
 127    { glsl_type::float_type, "spotCutoff" },
 128    { glsl_type::float_type, "spotCosCutoff" },
 129    { glsl_type::float_type, "constantAttenuation" },
 130    { glsl_type::float_type, "linearAttenuation" },
 131    { glsl_type::float_type, "quadraticAttenuation" },
 132 };
 133
 134 static const struct glsl_struct_field gl_LightModelParameters_fields[] = {
 135    { glsl_type::vec4_type, "ambient" },
 136 };
 137
 138 static const struct glsl_struct_field gl_LightModelProducts_fields[] = {
 139    { glsl_type::vec4_type, "sceneColor" },
 140 };
 141
 142 static const struct glsl_struct_field gl_LightProducts_fields[] = {
 143    { glsl_type::vec4_type, "ambient" },
 144    { glsl_type::vec4_type, "diffuse" },
 145    { glsl_type::vec4_type, "specular" },
 146 };
 147
 148 static const struct glsl_struct_field gl_FogParameters_fields[] = {
 149    { glsl_type::vec4_type, "color" },
 150    { glsl_type::float_type, "density" },
 151    { glsl_type::float_type, "start" },
 152    { glsl_type::float_type, "end" },
 153    { glsl_type::float_type, "scale" },
 154 };
 155
 156 const glsl_type glsl_type::builtin_110_deprecated_structure_types[] = {
 157    glsl_type(gl_PointParameters_fields,
 158              Elements(gl_PointParameters_fields),
 159              "gl_PointParameters"),
 160    glsl_type(gl_MaterialParameters_fields,
 161              Elements(gl_MaterialParameters_fields),
 162              "gl_MaterialParameters"),
 163    glsl_type(gl_LightSourceParameters_fields,
 164              Elements(gl_LightSourceParameters_fields),
 165              "gl_LightSourceParameters"),
 166    glsl_type(gl_LightModelParameters_fields,
 167              Elements(gl_LightModelParameters_fields),
 168              "gl_LightModelParameters"),
 169    glsl_type(gl_LightModelProducts_fields,
 170              Elements(gl_LightModelProducts_fields),
 171              "gl_LightModelProducts"),
 172    glsl_type(gl_LightProducts_fields,
 173              Elements(gl_LightProducts_fields),
 174              "gl_LightProducts"),
 175    glsl_type(gl_FogParameters_fields,
 176              Elements(gl_FogParameters_fields),
 177              "gl_FogParameters"),
 178 };
 179 /*@}*/
 180
 181 /** \name Types added in GLSL 1.20
 182  */
 183 /*@{*/
 184
 185 const glsl_type glsl_type::builtin_120_types[] = {
 186    glsl_type(GL_FLOAT_MAT2x3, GLSL_TYPE_FLOAT, 3, 2, "mat2x3"),
 187    glsl_type(GL_FLOAT_MAT2x4, GLSL_TYPE_FLOAT, 4, 2, "mat2x4"),
 188    glsl_type(GL_FLOAT_MAT3x2, GLSL_TYPE_FLOAT, 2, 3, "mat3x2"),
 189    glsl_type(GL_FLOAT_MAT3x4, GLSL_TYPE_FLOAT, 4, 3, "mat3x4"),
 190    glsl_type(GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4, "mat4x2"),
 191    glsl_type(GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4, "mat4x3"),
 192 };
 193 const glsl_type *const glsl_type::mat2x3_type = & builtin_120_types[0];
 194 const glsl_type *const glsl_type::mat2x4_type = & builtin_120_types[1];
 195 const glsl_type *const glsl_type::mat3x2_type = & builtin_120_types[2];
 196 const glsl_type *const glsl_type::mat3x4_type = & builtin_120_types[3];
 197 const glsl_type *const glsl_type::mat4x2_type = & builtin_120_types[4];
 198 const glsl_type *const glsl_type::mat4x3_type = & builtin_120_types[5];
 199 /*@}*/
 200
 201 /** \name Types added in GLSL 1.30
 202  */
 203 /*@{*/
 204
 205 const glsl_type glsl_type::builtin_130_types[] = {
 206    glsl_type(GL_UNSIGNED_INT,      GLSL_TYPE_UINT, 1, 1, "uint"),
 207    glsl_type(GL_UNSIGNED_INT_VEC2, GLSL_TYPE_UINT, 2, 1, "uvec2"),
 208    glsl_type(GL_UNSIGNED_INT_VEC3, GLSL_TYPE_UINT, 3, 1, "uvec3"),
 209    glsl_type(GL_UNSIGNED_INT_VEC4, GLSL_TYPE_UINT, 4, 1, "uvec4"),
 210
 211    /* 1D and 2D texture arrays - several of these are included only in
 212     * builtin_EXT_texture_array_types.
 213     */
 214    glsl_type(GL_INT_SAMPLER_1D_ARRAY,
 215              GLSL_SAMPLER_DIM_1D, 0, 1,   GLSL_TYPE_INT, "isampler1DArray"),
 216    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D_ARRAY,
 217              GLSL_SAMPLER_DIM_1D, 0, 1,  GLSL_TYPE_UINT, "usampler1DArray"),
 218    glsl_type(GL_INT_SAMPLER_2D_ARRAY,
 219              GLSL_SAMPLER_DIM_2D, 0, 1,   GLSL_TYPE_INT, "isampler2DArray"),
 220    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_ARRAY,
 221              GLSL_SAMPLER_DIM_2D, 0, 1,  GLSL_TYPE_UINT, "usampler2DArray"),
 222
 223    /* cube shadow samplers */
 224    glsl_type(GL_SAMPLER_CUBE_SHADOW,
 225              GLSL_SAMPLER_DIM_CUBE, 1, 0, GLSL_TYPE_FLOAT, "samplerCubeShadow"),
 226
 227    /* signed and unsigned integer samplers */
 228    glsl_type(GL_INT_SAMPLER_1D,
 229              GLSL_SAMPLER_DIM_1D, 0, 0,   GLSL_TYPE_INT, "isampler1D"),
 230    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D,
 231              GLSL_SAMPLER_DIM_1D, 0, 0,  GLSL_TYPE_UINT, "usampler1D"),
 232    glsl_type(GL_INT_SAMPLER_2D,
 233              GLSL_SAMPLER_DIM_2D, 0, 0,   GLSL_TYPE_INT, "isampler2D"),
 234    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D,
 235              GLSL_SAMPLER_DIM_2D, 0, 0,  GLSL_TYPE_UINT, "usampler2D"),
 236    glsl_type(GL_INT_SAMPLER_3D,
 237              GLSL_SAMPLER_DIM_3D, 0, 0,   GLSL_TYPE_INT, "isampler3D"),
 238    glsl_type(GL_UNSIGNED_INT_SAMPLER_3D,
 239              GLSL_SAMPLER_DIM_3D, 0, 0,  GLSL_TYPE_UINT, "usampler3D"),
 240    glsl_type(GL_INT_SAMPLER_CUBE,
 241              GLSL_SAMPLER_DIM_CUBE, 0, 0,   GLSL_TYPE_INT, "isamplerCube"),
 242    glsl_type(GL_INT_SAMPLER_CUBE,
 243              GLSL_SAMPLER_DIM_CUBE, 0, 0,  GLSL_TYPE_UINT, "usamplerCube"),
 244 };
 245
 246 const glsl_type *const glsl_type::uint_type = & builtin_130_types[0];
 247 const glsl_type *const glsl_type::uvec4_type = & builtin_130_types[3];
 248 /*@}*/
 249
 250 /** \name Sampler types added by GL_ARB_texture_rectangle
 251  */
 252 /*@{*/
 253
 254 const glsl_type glsl_type::builtin_ARB_texture_rectangle_types[] = {
 255    glsl_type(GL_SAMPLER_2D_RECT,
 256              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_FLOAT, "sampler2DRect"),
 257    glsl_type(GL_SAMPLER_2D_RECT_SHADOW,
 258              GLSL_SAMPLER_DIM_RECT, 1, 0, GLSL_TYPE_FLOAT, "sampler2DRectShadow"),
 259 };
 260 /*@}*/
 261
 262 /** \name Sampler types added by GL_EXT_texture_array
 263  */
 264 /*@{*/
 265
 266 const glsl_type glsl_type::builtin_EXT_texture_array_types[] = {
 267    glsl_type(GL_SAMPLER_1D_ARRAY,
 268              GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_FLOAT, "sampler1DArray"),
 269    glsl_type(GL_SAMPLER_1D_ARRAY_SHADOW,
 270              GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_FLOAT, "sampler2DArray"),
 271    glsl_type(GL_SAMPLER_2D_ARRAY,
 272              GLSL_SAMPLER_DIM_1D, 1, 1, GLSL_TYPE_FLOAT, "sampler1DArrayShadow"),
 273    glsl_type(GL_SAMPLER_2D_ARRAY_SHADOW,
 274              GLSL_SAMPLER_DIM_2D, 1, 1, GLSL_TYPE_FLOAT, "sampler2DArrayShadow"),
 275 };
 276 /*@}*/
 277
 278 /** \name Sampler types added by GL_EXT_texture_buffer_object
 279  */
 280 /*@{*/
 281
 282 const glsl_type glsl_type::builtin_EXT_texture_buffer_object_types[] = {
 283    glsl_type(GL_SAMPLER_BUFFER,
 284              GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_FLOAT, "samplerBuffer"),
 285    glsl_type(GL_INT_SAMPLER_BUFFER,
 286              GLSL_SAMPLER_DIM_BUF, 0, 0,   GLSL_TYPE_INT, "isamplerBuffer"),
 287    glsl_type(GL_UNSIGNED_INT_SAMPLER_BUFFER,
 288              GLSL_SAMPLER_DIM_BUF, 0, 0,  GLSL_TYPE_UINT, "usamplerBuffer"),
 289 };
 290 /*@}*/