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_2D,   GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_FLOAT,
  55              "sampler2D"),
  56    glsl_type(GL_SAMPLER_CUBE, GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_FLOAT,
  57              "samplerCube"),
  58 };
  59
  60 const glsl_type *const glsl_type::bool_type  = & builtin_core_types[0];
  61 const glsl_type *const glsl_type::int_type   = & builtin_core_types[4];
  62 const glsl_type *const glsl_type::ivec4_type = & builtin_core_types[7];
  63 const glsl_type *const glsl_type::float_type = & builtin_core_types[8];
  64 const glsl_type *const glsl_type::vec2_type = & builtin_core_types[9];
  65 const glsl_type *const glsl_type::vec3_type = & builtin_core_types[10];
  66 const glsl_type *const glsl_type::vec4_type = & builtin_core_types[11];
  67 const glsl_type *const glsl_type::mat2_type = & builtin_core_types[12];
  68 const glsl_type *const glsl_type::mat3_type = & builtin_core_types[13];
  69 const glsl_type *const glsl_type::mat4_type = & builtin_core_types[14];
  70 /*@}*/
  71
  72 /** \name GLSL structures that have not been deprecated.
  73  */
  74 /*@{*/
  75
  76 static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = {
  77    { glsl_type::float_type, "near" },
  78    { glsl_type::float_type, "far" },
  79    { glsl_type::float_type, "diff" },
  80 };
  81
  82 const glsl_type glsl_type::builtin_structure_types[] = {
  83    glsl_type(gl_DepthRangeParameters_fields,
  84              Elements(gl_DepthRangeParameters_fields),
  85              "gl_DepthRangeParameters"),
  86 };
  87 /*@}*/
  88
  89 /** \name GLSL 1.00 / 1.10 structures that are deprecated in GLSL 1.30
  90  */
  91 /*@{*/
  92
  93 static const struct glsl_struct_field gl_PointParameters_fields[] = {
  94    { glsl_type::float_type, "size" },
  95    { glsl_type::float_type, "sizeMin" },
  96    { glsl_type::float_type, "sizeMax" },
  97    { glsl_type::float_type, "fadeThresholdSize" },
  98    { glsl_type::float_type, "distanceConstantAttenuation" },
  99    { glsl_type::float_type, "distanceLinearAttenuation" },
 100    { glsl_type::float_type, "distanceQuadraticAttenuation" },
 101 };
 102
 103 static const struct glsl_struct_field gl_MaterialParameters_fields[] = {
 104    { glsl_type::vec4_type, "emission" },
 105    { glsl_type::vec4_type, "ambient" },
 106    { glsl_type::vec4_type, "diffuse" },
 107    { glsl_type::vec4_type, "specular" },
 108    { glsl_type::float_type, "shininess" },
 109 };
 110
 111 static const struct glsl_struct_field gl_LightSourceParameters_fields[] = {
 112    { glsl_type::vec4_type, "ambient" },
 113    { glsl_type::vec4_type, "diffuse" },
 114    { glsl_type::vec4_type, "specular" },
 115    { glsl_type::vec4_type, "position" },
 116    { glsl_type::vec4_type, "halfVector" },
 117    { glsl_type::vec3_type, "spotDirection" },
 118    { glsl_type::float_type, "spotExponent" },
 119    { glsl_type::float_type, "spotCutoff" },
 120    { glsl_type::float_type, "spotCosCutoff" },
 121    { glsl_type::float_type, "constantAttenuation" },
 122    { glsl_type::float_type, "linearAttenuation" },
 123    { glsl_type::float_type, "quadraticAttenuation" },
 124 };
 125
 126 static const struct glsl_struct_field gl_LightModelParameters_fields[] = {
 127    { glsl_type::vec4_type, "ambient" },
 128 };
 129
 130 static const struct glsl_struct_field gl_LightModelProducts_fields[] = {
 131    { glsl_type::vec4_type, "sceneColor" },
 132 };
 133
 134 static const struct glsl_struct_field gl_LightProducts_fields[] = {
 135    { glsl_type::vec4_type, "ambient" },
 136    { glsl_type::vec4_type, "diffuse" },
 137    { glsl_type::vec4_type, "specular" },
 138 };
 139
 140 static const struct glsl_struct_field gl_FogParameters_fields[] = {
 141    { glsl_type::vec4_type, "color" },
 142    { glsl_type::float_type, "density" },
 143    { glsl_type::float_type, "start" },
 144    { glsl_type::float_type, "end" },
 145    { glsl_type::float_type, "scale" },
 146 };
 147
 148 const glsl_type glsl_type::builtin_110_deprecated_structure_types[] = {
 149    glsl_type(gl_PointParameters_fields,
 150              Elements(gl_PointParameters_fields),
 151              "gl_PointParameters"),
 152    glsl_type(gl_MaterialParameters_fields,
 153              Elements(gl_MaterialParameters_fields),
 154              "gl_MaterialParameters"),
 155    glsl_type(gl_LightSourceParameters_fields,
 156              Elements(gl_LightSourceParameters_fields),
 157              "gl_LightSourceParameters"),
 158    glsl_type(gl_LightModelParameters_fields,
 159              Elements(gl_LightModelParameters_fields),
 160              "gl_LightModelParameters"),
 161    glsl_type(gl_LightModelProducts_fields,
 162              Elements(gl_LightModelProducts_fields),
 163              "gl_LightModelProducts"),
 164    glsl_type(gl_LightProducts_fields,
 165              Elements(gl_LightProducts_fields),
 166              "gl_LightProducts"),
 167    glsl_type(gl_FogParameters_fields,
 168              Elements(gl_FogParameters_fields),
 169              "gl_FogParameters"),
 170 };
 171 /*@}*/
 172
 173 /** \name Types in GLSL 1.10 (but not GLSL ES 1.00)
 174  */
 175 /*@{*/
 176 const glsl_type glsl_type::builtin_110_types[] = {
 177    glsl_type(GL_SAMPLER_1D,   GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_FLOAT,
 178              "sampler1D"),
 179    glsl_type(GL_SAMPLER_1D_SHADOW, GLSL_SAMPLER_DIM_1D, 1, 0, GLSL_TYPE_FLOAT,
 180              "sampler1DShadow"),
 181    glsl_type(GL_SAMPLER_2D_SHADOW, GLSL_SAMPLER_DIM_2D, 1, 0, GLSL_TYPE_FLOAT,
 182              "sampler2DShadow"),
 183    glsl_type(GL_SAMPLER_3D,   GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_FLOAT,
 184              "sampler3D"),
 185 };
 186 /*@}*/
 187
 188 /** \name Types added in GLSL 1.20
 189  */
 190 /*@{*/
 191
 192 const glsl_type glsl_type::builtin_120_types[] = {
 193    glsl_type(GL_FLOAT_MAT2x3, GLSL_TYPE_FLOAT, 3, 2, "mat2x3"),
 194    glsl_type(GL_FLOAT_MAT2x4, GLSL_TYPE_FLOAT, 4, 2, "mat2x4"),
 195    glsl_type(GL_FLOAT_MAT3x2, GLSL_TYPE_FLOAT, 2, 3, "mat3x2"),
 196    glsl_type(GL_FLOAT_MAT3x4, GLSL_TYPE_FLOAT, 4, 3, "mat3x4"),
 197    glsl_type(GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4, "mat4x2"),
 198    glsl_type(GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4, "mat4x3"),
 199 };
 200 const glsl_type *const glsl_type::mat2x3_type = & builtin_120_types[0];
 201 const glsl_type *const glsl_type::mat2x4_type = & builtin_120_types[1];
 202 const glsl_type *const glsl_type::mat3x2_type = & builtin_120_types[2];
 203 const glsl_type *const glsl_type::mat3x4_type = & builtin_120_types[3];
 204 const glsl_type *const glsl_type::mat4x2_type = & builtin_120_types[4];
 205 const glsl_type *const glsl_type::mat4x3_type = & builtin_120_types[5];
 206 /*@}*/
 207
 208 /** \name Types added in GLSL 1.30
 209  */
 210 /*@{*/
 211
 212 const glsl_type glsl_type::builtin_130_types[] = {
 213    glsl_type(GL_UNSIGNED_INT,      GLSL_TYPE_UINT, 1, 1, "uint"),
 214    glsl_type(GL_UNSIGNED_INT_VEC2, GLSL_TYPE_UINT, 2, 1, "uvec2"),
 215    glsl_type(GL_UNSIGNED_INT_VEC3, GLSL_TYPE_UINT, 3, 1, "uvec3"),
 216    glsl_type(GL_UNSIGNED_INT_VEC4, GLSL_TYPE_UINT, 4, 1, "uvec4"),
 217
 218    /* 1D and 2D texture arrays - several of these are included only in
 219     * builtin_EXT_texture_array_types.
 220     */
 221    glsl_type(GL_INT_SAMPLER_1D_ARRAY,
 222              GLSL_SAMPLER_DIM_1D, 0, 1,   GLSL_TYPE_INT, "isampler1DArray"),
 223    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D_ARRAY,
 224              GLSL_SAMPLER_DIM_1D, 0, 1,  GLSL_TYPE_UINT, "usampler1DArray"),
 225    glsl_type(GL_INT_SAMPLER_2D_ARRAY,
 226              GLSL_SAMPLER_DIM_2D, 0, 1,   GLSL_TYPE_INT, "isampler2DArray"),
 227    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_ARRAY,
 228              GLSL_SAMPLER_DIM_2D, 0, 1,  GLSL_TYPE_UINT, "usampler2DArray"),
 229
 230    /* cube shadow samplers */
 231    glsl_type(GL_SAMPLER_CUBE_SHADOW,
 232              GLSL_SAMPLER_DIM_CUBE, 1, 0, GLSL_TYPE_FLOAT, "samplerCubeShadow"),
 233
 234    /* signed and unsigned integer samplers */
 235    glsl_type(GL_INT_SAMPLER_1D,
 236              GLSL_SAMPLER_DIM_1D, 0, 0,   GLSL_TYPE_INT, "isampler1D"),
 237    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D,
 238              GLSL_SAMPLER_DIM_1D, 0, 0,  GLSL_TYPE_UINT, "usampler1D"),
 239    glsl_type(GL_INT_SAMPLER_2D,
 240              GLSL_SAMPLER_DIM_2D, 0, 0,   GLSL_TYPE_INT, "isampler2D"),
 241    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D,
 242              GLSL_SAMPLER_DIM_2D, 0, 0,  GLSL_TYPE_UINT, "usampler2D"),
 243    glsl_type(GL_INT_SAMPLER_3D,
 244              GLSL_SAMPLER_DIM_3D, 0, 0,   GLSL_TYPE_INT, "isampler3D"),
 245    glsl_type(GL_UNSIGNED_INT_SAMPLER_3D,
 246              GLSL_SAMPLER_DIM_3D, 0, 0,  GLSL_TYPE_UINT, "usampler3D"),
 247    glsl_type(GL_INT_SAMPLER_CUBE,
 248              GLSL_SAMPLER_DIM_CUBE, 0, 0,   GLSL_TYPE_INT, "isamplerCube"),
 249    glsl_type(GL_INT_SAMPLER_CUBE,
 250              GLSL_SAMPLER_DIM_CUBE, 0, 0,  GLSL_TYPE_UINT, "usamplerCube"),
 251 };
 252
 253 const glsl_type *const glsl_type::uint_type = & builtin_130_types[0];
 254 const glsl_type *const glsl_type::uvec2_type = & builtin_130_types[1];
 255 const glsl_type *const glsl_type::uvec3_type = & builtin_130_types[2];
 256 const glsl_type *const glsl_type::uvec4_type = & builtin_130_types[3];
 257 /*@}*/
 258
 259 /** \name Sampler types added by GL_ARB_texture_rectangle
 260  */
 261 /*@{*/
 262
 263 const glsl_type glsl_type::builtin_ARB_texture_rectangle_types[] = {
 264    glsl_type(GL_SAMPLER_2D_RECT,
 265              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_FLOAT, "sampler2DRect"),
 266    glsl_type(GL_SAMPLER_2D_RECT_SHADOW,
 267              GLSL_SAMPLER_DIM_RECT, 1, 0, GLSL_TYPE_FLOAT, "sampler2DRectShadow"),
 268 };
 269 /*@}*/
 270
 271 /** \name Sampler types added by GL_EXT_texture_array
 272  */
 273 /*@{*/
 274
 275 const glsl_type glsl_type::builtin_EXT_texture_array_types[] = {
 276    glsl_type(GL_SAMPLER_1D_ARRAY,
 277              GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_FLOAT, "sampler1DArray"),
 278    glsl_type(GL_SAMPLER_2D_ARRAY,
 279              GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_FLOAT, "sampler2DArray"),
 280    glsl_type(GL_SAMPLER_1D_ARRAY_SHADOW,
 281              GLSL_SAMPLER_DIM_1D, 1, 1, GLSL_TYPE_FLOAT, "sampler1DArrayShadow"),
 282    glsl_type(GL_SAMPLER_2D_ARRAY_SHADOW,
 283              GLSL_SAMPLER_DIM_2D, 1, 1, GLSL_TYPE_FLOAT, "sampler2DArrayShadow"),
 284 };
 285 /*@}*/
 286
 287 /** \name Sampler types added by GL_EXT_texture_buffer_object
 288  */
 289 /*@{*/
 290
 291 const glsl_type glsl_type::builtin_EXT_texture_buffer_object_types[] = {
 292    glsl_type(GL_SAMPLER_BUFFER,
 293              GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_FLOAT, "samplerBuffer"),
 294    glsl_type(GL_INT_SAMPLER_BUFFER,
 295              GLSL_SAMPLER_DIM_BUF, 0, 0,   GLSL_TYPE_INT, "isamplerBuffer"),
 296    glsl_type(GL_UNSIGNED_INT_SAMPLER_BUFFER,
 297              GLSL_SAMPLER_DIM_BUF, 0, 0,  GLSL_TYPE_UINT, "usamplerBuffer"),
 298 };
 299 /*@}*/