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 glsl_type::_sampler3D_type =
  31    glsl_type(GL_SAMPLER_3D, GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_FLOAT,
  32              "sampler3D");
  33
  34 const glsl_type *const glsl_type::error_type = & glsl_type::_error_type;
  35 const glsl_type *const glsl_type::void_type = & glsl_type::_void_type;
  36
  37 /** \name Core built-in types
  38  *
  39  * These types exist in all versions of GLSL.
  40  */
  41 /*@{*/
  42
  43 const glsl_type glsl_type::builtin_core_types[] = {
  44    glsl_type(GL_BOOL,         GLSL_TYPE_BOOL, 1, 1, "bool"),
  45    glsl_type(GL_BOOL_VEC2,    GLSL_TYPE_BOOL, 2, 1, "bvec2"),
  46    glsl_type(GL_BOOL_VEC3,    GLSL_TYPE_BOOL, 3, 1, "bvec3"),
  47    glsl_type(GL_BOOL_VEC4,    GLSL_TYPE_BOOL, 4, 1, "bvec4"),
  48    glsl_type(GL_INT,          GLSL_TYPE_INT, 1, 1, "int"),
  49    glsl_type(GL_INT_VEC2,     GLSL_TYPE_INT, 2, 1, "ivec2"),
  50    glsl_type(GL_INT_VEC3,     GLSL_TYPE_INT, 3, 1, "ivec3"),
  51    glsl_type(GL_INT_VEC4,     GLSL_TYPE_INT, 4, 1, "ivec4"),
  52    glsl_type(GL_FLOAT,        GLSL_TYPE_FLOAT, 1, 1, "float"),
  53    glsl_type(GL_FLOAT_VEC2,   GLSL_TYPE_FLOAT, 2, 1, "vec2"),
  54    glsl_type(GL_FLOAT_VEC3,   GLSL_TYPE_FLOAT, 3, 1, "vec3"),
  55    glsl_type(GL_FLOAT_VEC4,   GLSL_TYPE_FLOAT, 4, 1, "vec4"),
  56    glsl_type(GL_FLOAT_MAT2,   GLSL_TYPE_FLOAT, 2, 2, "mat2"),
  57    glsl_type(GL_FLOAT_MAT3,   GLSL_TYPE_FLOAT, 3, 3, "mat3"),
  58    glsl_type(GL_FLOAT_MAT4,   GLSL_TYPE_FLOAT, 4, 4, "mat4"),
  59    glsl_type(GL_SAMPLER_2D,   GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_FLOAT,
  60              "sampler2D"),
  61    glsl_type(GL_SAMPLER_CUBE, GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_FLOAT,
  62              "samplerCube"),
  63 };
  64
  65 const glsl_type *const glsl_type::bool_type  = & builtin_core_types[0];
  66 const glsl_type *const glsl_type::bvec2_type = & builtin_core_types[1];
  67 const glsl_type *const glsl_type::bvec3_type = & builtin_core_types[2];
  68 const glsl_type *const glsl_type::bvec4_type = & builtin_core_types[3];
  69 const glsl_type *const glsl_type::int_type   = & builtin_core_types[4];
  70 const glsl_type *const glsl_type::ivec2_type = & builtin_core_types[5];
  71 const glsl_type *const glsl_type::ivec3_type = & builtin_core_types[6];
  72 const glsl_type *const glsl_type::ivec4_type = & builtin_core_types[7];
  73 const glsl_type *const glsl_type::float_type = & builtin_core_types[8];
  74 const glsl_type *const glsl_type::vec2_type = & builtin_core_types[9];
  75 const glsl_type *const glsl_type::vec3_type = & builtin_core_types[10];
  76 const glsl_type *const glsl_type::vec4_type = & builtin_core_types[11];
  77 const glsl_type *const glsl_type::mat2_type = & builtin_core_types[12];
  78 const glsl_type *const glsl_type::mat3_type = & builtin_core_types[13];
  79 const glsl_type *const glsl_type::mat4_type = & builtin_core_types[14];
  80 /*@}*/
  81
  82 /** \name GLSL structures that have not been deprecated.
  83  */
  84 /*@{*/
  85
  86 static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = {
  87    { glsl_type::float_type, "near" },
  88    { glsl_type::float_type, "far" },
  89    { glsl_type::float_type, "diff" },
  90 };
  91
  92 const glsl_type glsl_type::builtin_structure_types[] = {
  93    glsl_type(gl_DepthRangeParameters_fields,
  94              Elements(gl_DepthRangeParameters_fields),
  95              "gl_DepthRangeParameters"),
  96 };
  97 /*@}*/
  98
  99 /** \name GLSL 1.00 / 1.10 structures that are deprecated in GLSL 1.30
 100  */
 101 /*@{*/
 102
 103 static const struct glsl_struct_field gl_PointParameters_fields[] = {
 104    { glsl_type::float_type, "size" },
 105    { glsl_type::float_type, "sizeMin" },
 106    { glsl_type::float_type, "sizeMax" },
 107    { glsl_type::float_type, "fadeThresholdSize" },
 108    { glsl_type::float_type, "distanceConstantAttenuation" },
 109    { glsl_type::float_type, "distanceLinearAttenuation" },
 110    { glsl_type::float_type, "distanceQuadraticAttenuation" },
 111 };
 112
 113 static const struct glsl_struct_field gl_MaterialParameters_fields[] = {
 114    { glsl_type::vec4_type, "emission" },
 115    { glsl_type::vec4_type, "ambient" },
 116    { glsl_type::vec4_type, "diffuse" },
 117    { glsl_type::vec4_type, "specular" },
 118    { glsl_type::float_type, "shininess" },
 119 };
 120
 121 static const struct glsl_struct_field gl_LightSourceParameters_fields[] = {
 122    { glsl_type::vec4_type, "ambient" },
 123    { glsl_type::vec4_type, "diffuse" },
 124    { glsl_type::vec4_type, "specular" },
 125    { glsl_type::vec4_type, "position" },
 126    { glsl_type::vec4_type, "halfVector" },
 127    { glsl_type::vec3_type, "spotDirection" },
 128    { glsl_type::float_type, "spotExponent" },
 129    { glsl_type::float_type, "spotCutoff" },
 130    { glsl_type::float_type, "spotCosCutoff" },
 131    { glsl_type::float_type, "constantAttenuation" },
 132    { glsl_type::float_type, "linearAttenuation" },
 133    { glsl_type::float_type, "quadraticAttenuation" },
 134 };
 135
 136 static const struct glsl_struct_field gl_LightModelParameters_fields[] = {
 137    { glsl_type::vec4_type, "ambient" },
 138 };
 139
 140 static const struct glsl_struct_field gl_LightModelProducts_fields[] = {
 141    { glsl_type::vec4_type, "sceneColor" },
 142 };
 143
 144 static const struct glsl_struct_field gl_LightProducts_fields[] = {
 145    { glsl_type::vec4_type, "ambient" },
 146    { glsl_type::vec4_type, "diffuse" },
 147    { glsl_type::vec4_type, "specular" },
 148 };
 149
 150 static const struct glsl_struct_field gl_FogParameters_fields[] = {
 151    { glsl_type::vec4_type, "color" },
 152    { glsl_type::float_type, "density" },
 153    { glsl_type::float_type, "start" },
 154    { glsl_type::float_type, "end" },
 155    { glsl_type::float_type, "scale" },
 156 };
 157
 158 const glsl_type glsl_type::builtin_110_deprecated_structure_types[] = {
 159    glsl_type(gl_PointParameters_fields,
 160              Elements(gl_PointParameters_fields),
 161              "gl_PointParameters"),
 162    glsl_type(gl_MaterialParameters_fields,
 163              Elements(gl_MaterialParameters_fields),
 164              "gl_MaterialParameters"),
 165    glsl_type(gl_LightSourceParameters_fields,
 166              Elements(gl_LightSourceParameters_fields),
 167              "gl_LightSourceParameters"),
 168    glsl_type(gl_LightModelParameters_fields,
 169              Elements(gl_LightModelParameters_fields),
 170              "gl_LightModelParameters"),
 171    glsl_type(gl_LightModelProducts_fields,
 172              Elements(gl_LightModelProducts_fields),
 173              "gl_LightModelProducts"),
 174    glsl_type(gl_LightProducts_fields,
 175              Elements(gl_LightProducts_fields),
 176              "gl_LightProducts"),
 177    glsl_type(gl_FogParameters_fields,
 178              Elements(gl_FogParameters_fields),
 179              "gl_FogParameters"),
 180 };
 181 /*@}*/
 182
 183 /** \name Types in GLSL 1.10 (but not GLSL ES 1.00)
 184  */
 185 /*@{*/
 186 const glsl_type glsl_type::builtin_110_types[] = {
 187    glsl_type(GL_SAMPLER_1D,   GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_FLOAT,
 188              "sampler1D"),
 189    glsl_type(GL_SAMPLER_1D_SHADOW, GLSL_SAMPLER_DIM_1D, 1, 0, GLSL_TYPE_FLOAT,
 190              "sampler1DShadow"),
 191    glsl_type(GL_SAMPLER_2D_SHADOW, GLSL_SAMPLER_DIM_2D, 1, 0, GLSL_TYPE_FLOAT,
 192              "sampler2DShadow"),
 193 };
 194 /*@}*/
 195
 196 /** \name Types added in GLSL 1.20
 197  */
 198 /*@{*/
 199
 200 const glsl_type glsl_type::builtin_120_types[] = {
 201    glsl_type(GL_FLOAT_MAT2x3, GLSL_TYPE_FLOAT, 3, 2, "mat2x3"),
 202    glsl_type(GL_FLOAT_MAT2x4, GLSL_TYPE_FLOAT, 4, 2, "mat2x4"),
 203    glsl_type(GL_FLOAT_MAT3x2, GLSL_TYPE_FLOAT, 2, 3, "mat3x2"),
 204    glsl_type(GL_FLOAT_MAT3x4, GLSL_TYPE_FLOAT, 4, 3, "mat3x4"),
 205    glsl_type(GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4, "mat4x2"),
 206    glsl_type(GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4, "mat4x3"),
 207 };
 208 const glsl_type *const glsl_type::mat2x3_type = & builtin_120_types[0];
 209 const glsl_type *const glsl_type::mat2x4_type = & builtin_120_types[1];
 210 const glsl_type *const glsl_type::mat3x2_type = & builtin_120_types[2];
 211 const glsl_type *const glsl_type::mat3x4_type = & builtin_120_types[3];
 212 const glsl_type *const glsl_type::mat4x2_type = & builtin_120_types[4];
 213 const glsl_type *const glsl_type::mat4x3_type = & builtin_120_types[5];
 214 /*@}*/
 215
 216 /** \name Types added in GLSL 1.30
 217  */
 218 /*@{*/
 219
 220 const glsl_type glsl_type::builtin_130_types[] = {
 221    glsl_type(GL_UNSIGNED_INT,      GLSL_TYPE_UINT, 1, 1, "uint"),
 222    glsl_type(GL_UNSIGNED_INT_VEC2, GLSL_TYPE_UINT, 2, 1, "uvec2"),
 223    glsl_type(GL_UNSIGNED_INT_VEC3, GLSL_TYPE_UINT, 3, 1, "uvec3"),
 224    glsl_type(GL_UNSIGNED_INT_VEC4, GLSL_TYPE_UINT, 4, 1, "uvec4"),
 225
 226    /* 1D and 2D texture arrays - several of these are included only in
 227     * builtin_EXT_texture_array_types.
 228     */
 229    glsl_type(GL_INT_SAMPLER_1D_ARRAY,
 230              GLSL_SAMPLER_DIM_1D, 0, 1,   GLSL_TYPE_INT, "isampler1DArray"),
 231    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D_ARRAY,
 232              GLSL_SAMPLER_DIM_1D, 0, 1,  GLSL_TYPE_UINT, "usampler1DArray"),
 233    glsl_type(GL_INT_SAMPLER_2D_ARRAY,
 234              GLSL_SAMPLER_DIM_2D, 0, 1,   GLSL_TYPE_INT, "isampler2DArray"),
 235    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_ARRAY,
 236              GLSL_SAMPLER_DIM_2D, 0, 1,  GLSL_TYPE_UINT, "usampler2DArray"),
 237
 238    /* cube shadow samplers */
 239    glsl_type(GL_SAMPLER_CUBE_SHADOW,
 240              GLSL_SAMPLER_DIM_CUBE, 1, 0, GLSL_TYPE_FLOAT, "samplerCubeShadow"),
 241
 242    /* signed and unsigned integer samplers */
 243    glsl_type(GL_INT_SAMPLER_1D,
 244              GLSL_SAMPLER_DIM_1D, 0, 0,   GLSL_TYPE_INT, "isampler1D"),
 245    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D,
 246              GLSL_SAMPLER_DIM_1D, 0, 0,  GLSL_TYPE_UINT, "usampler1D"),
 247    glsl_type(GL_INT_SAMPLER_2D,
 248              GLSL_SAMPLER_DIM_2D, 0, 0,   GLSL_TYPE_INT, "isampler2D"),
 249    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D,
 250              GLSL_SAMPLER_DIM_2D, 0, 0,  GLSL_TYPE_UINT, "usampler2D"),
 251    glsl_type(GL_INT_SAMPLER_3D,
 252              GLSL_SAMPLER_DIM_3D, 0, 0,   GLSL_TYPE_INT, "isampler3D"),
 253    glsl_type(GL_UNSIGNED_INT_SAMPLER_3D,
 254              GLSL_SAMPLER_DIM_3D, 0, 0,  GLSL_TYPE_UINT, "usampler3D"),
 255    glsl_type(GL_INT_SAMPLER_CUBE,
 256              GLSL_SAMPLER_DIM_CUBE, 0, 0,   GLSL_TYPE_INT, "isamplerCube"),
 257    glsl_type(GL_INT_SAMPLER_CUBE,
 258              GLSL_SAMPLER_DIM_CUBE, 0, 0,  GLSL_TYPE_UINT, "usamplerCube"),
 259 };
 260
 261 const glsl_type *const glsl_type::uint_type = & builtin_130_types[0];
 262 const glsl_type *const glsl_type::uvec2_type = & builtin_130_types[1];
 263 const glsl_type *const glsl_type::uvec3_type = & builtin_130_types[2];
 264 const glsl_type *const glsl_type::uvec4_type = & builtin_130_types[3];
 265 /*@}*/
 266
 267
 268 /** \name Types added in GLSL 1.40
 269  */
 270 /*@{*/
 271 const glsl_type glsl_type::builtin_140_types[] = {
 272    glsl_type(GL_INT_SAMPLER_2D_RECT,
 273              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_INT, "isampler2DRect"),
 274    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_RECT,
 275              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_UINT, "usampler2DRect"),
 276 };
 277 /*@}*/
 278
 279 /** \name Sampler types added by GL_ARB_texture_rectangle
 280  */
 281 /*@{*/
 282
 283 const glsl_type glsl_type::builtin_ARB_texture_rectangle_types[] = {
 284    glsl_type(GL_SAMPLER_2D_RECT,
 285              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_FLOAT, "sampler2DRect"),
 286    glsl_type(GL_SAMPLER_2D_RECT_SHADOW,
 287              GLSL_SAMPLER_DIM_RECT, 1, 0, GLSL_TYPE_FLOAT, "sampler2DRectShadow"),
 288 };
 289 /*@}*/
 290
 291 /** \name Sampler types added by GL_EXT_texture_array
 292  */
 293 /*@{*/
 294
 295 const glsl_type glsl_type::builtin_EXT_texture_array_types[] = {
 296    glsl_type(GL_SAMPLER_1D_ARRAY,
 297              GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_FLOAT, "sampler1DArray"),
 298    glsl_type(GL_SAMPLER_2D_ARRAY,
 299              GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_FLOAT, "sampler2DArray"),
 300    glsl_type(GL_SAMPLER_1D_ARRAY_SHADOW,
 301              GLSL_SAMPLER_DIM_1D, 1, 1, GLSL_TYPE_FLOAT, "sampler1DArrayShadow"),
 302    glsl_type(GL_SAMPLER_2D_ARRAY_SHADOW,
 303              GLSL_SAMPLER_DIM_2D, 1, 1, GLSL_TYPE_FLOAT, "sampler2DArrayShadow"),
 304 };
 305 /*@}*/
 306
 307 /** \name Sampler types added by GL_EXT_texture_buffer_object
 308  */
 309 /*@{*/
 310
 311 const glsl_type glsl_type::builtin_EXT_texture_buffer_object_types[] = {
 312    glsl_type(GL_SAMPLER_BUFFER,
 313              GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_FLOAT, "samplerBuffer"),
 314    glsl_type(GL_INT_SAMPLER_BUFFER,
 315              GLSL_SAMPLER_DIM_BUF, 0, 0,   GLSL_TYPE_INT, "isamplerBuffer"),
 316    glsl_type(GL_UNSIGNED_INT_SAMPLER_BUFFER,
 317              GLSL_SAMPLER_DIM_BUF, 0, 0,  GLSL_TYPE_UINT, "usamplerBuffer"),
 318 };
 319 /*@}*/
 320
 321 /** \name Sampler types added by GL_OES_EGL_image_external
 322  */
 323 /*@{*/
 324
 325 const glsl_type glsl_type::builtin_OES_EGL_image_external_types[] = {
 326    glsl_type(GL_SAMPLER_EXTERNAL_OES,
 327              GLSL_SAMPLER_DIM_EXTERNAL, 0, 0, GLSL_TYPE_FLOAT, "samplerExternalOES"),
 328 };
 329 /*@}*/
 330
 331 /** \name Sampler types added by GL_ARB_texture_cube_map_array
 332  */
 333 /*@{*/
 334 const glsl_type glsl_type::builtin_ARB_texture_cube_map_array_types[] = {
 335    glsl_type(GL_SAMPLER_CUBE_MAP_ARRAY,
 336              GLSL_SAMPLER_DIM_CUBE, 0, 1, GLSL_TYPE_FLOAT, "samplerCubeArray"),
 337    glsl_type(GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW,
 338              GLSL_SAMPLER_DIM_CUBE, 1, 1, GLSL_TYPE_FLOAT, "samplerCubeArrayShadow"),
 339    glsl_type(GL_INT_SAMPLER_CUBE_MAP_ARRAY,
 340              GLSL_SAMPLER_DIM_CUBE, 0, 1, GLSL_TYPE_INT, "isamplerCubeArray"),
 341    glsl_type(GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY,
 342              GLSL_SAMPLER_DIM_CUBE, 0, 1, GLSL_TYPE_UINT, "usamplerCubeArray"),
 343 };
 344 /*@}*/