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::int_type   = & builtin_core_types[4];
  67 const glsl_type *const glsl_type::ivec4_type = & builtin_core_types[7];
  68 const glsl_type *const glsl_type::float_type = & builtin_core_types[8];
  69 const glsl_type *const glsl_type::vec2_type = & builtin_core_types[9];
  70 const glsl_type *const glsl_type::vec3_type = & builtin_core_types[10];
  71 const glsl_type *const glsl_type::vec4_type = & builtin_core_types[11];
  72 const glsl_type *const glsl_type::mat2_type = & builtin_core_types[12];
  73 const glsl_type *const glsl_type::mat3_type = & builtin_core_types[13];
  74 const glsl_type *const glsl_type::mat4_type = & builtin_core_types[14];
  75 /*@}*/
  76
  77 /** \name GLSL structures that have not been deprecated.
  78  */
  79 /*@{*/
  80
  81 static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = {
  82    { glsl_type::float_type, "near" },
  83    { glsl_type::float_type, "far" },
  84    { glsl_type::float_type, "diff" },
  85 };
  86
  87 const glsl_type glsl_type::builtin_structure_types[] = {
  88    glsl_type(gl_DepthRangeParameters_fields,
  89              Elements(gl_DepthRangeParameters_fields),
  90              "gl_DepthRangeParameters"),
  91 };
  92 /*@}*/
  93
  94 /** \name GLSL 1.00 / 1.10 structures that are deprecated in GLSL 1.30
  95  */
  96 /*@{*/
  97
  98 static const struct glsl_struct_field gl_PointParameters_fields[] = {
  99    { glsl_type::float_type, "size" },
 100    { glsl_type::float_type, "sizeMin" },
 101    { glsl_type::float_type, "sizeMax" },
 102    { glsl_type::float_type, "fadeThresholdSize" },
 103    { glsl_type::float_type, "distanceConstantAttenuation" },
 104    { glsl_type::float_type, "distanceLinearAttenuation" },
 105    { glsl_type::float_type, "distanceQuadraticAttenuation" },
 106 };
 107
 108 static const struct glsl_struct_field gl_MaterialParameters_fields[] = {
 109    { glsl_type::vec4_type, "emission" },
 110    { glsl_type::vec4_type, "ambient" },
 111    { glsl_type::vec4_type, "diffuse" },
 112    { glsl_type::vec4_type, "specular" },
 113    { glsl_type::float_type, "shininess" },
 114 };
 115
 116 static const struct glsl_struct_field gl_LightSourceParameters_fields[] = {
 117    { glsl_type::vec4_type, "ambient" },
 118    { glsl_type::vec4_type, "diffuse" },
 119    { glsl_type::vec4_type, "specular" },
 120    { glsl_type::vec4_type, "position" },
 121    { glsl_type::vec4_type, "halfVector" },
 122    { glsl_type::vec3_type, "spotDirection" },
 123    { glsl_type::float_type, "spotExponent" },
 124    { glsl_type::float_type, "spotCutoff" },
 125    { glsl_type::float_type, "spotCosCutoff" },
 126    { glsl_type::float_type, "constantAttenuation" },
 127    { glsl_type::float_type, "linearAttenuation" },
 128    { glsl_type::float_type, "quadraticAttenuation" },
 129 };
 130
 131 static const struct glsl_struct_field gl_LightModelParameters_fields[] = {
 132    { glsl_type::vec4_type, "ambient" },
 133 };
 134
 135 static const struct glsl_struct_field gl_LightModelProducts_fields[] = {
 136    { glsl_type::vec4_type, "sceneColor" },
 137 };
 138
 139 static const struct glsl_struct_field gl_LightProducts_fields[] = {
 140    { glsl_type::vec4_type, "ambient" },
 141    { glsl_type::vec4_type, "diffuse" },
 142    { glsl_type::vec4_type, "specular" },
 143 };
 144
 145 static const struct glsl_struct_field gl_FogParameters_fields[] = {
 146    { glsl_type::vec4_type, "color" },
 147    { glsl_type::float_type, "density" },
 148    { glsl_type::float_type, "start" },
 149    { glsl_type::float_type, "end" },
 150    { glsl_type::float_type, "scale" },
 151 };
 152
 153 const glsl_type glsl_type::builtin_110_deprecated_structure_types[] = {
 154    glsl_type(gl_PointParameters_fields,
 155              Elements(gl_PointParameters_fields),
 156              "gl_PointParameters"),
 157    glsl_type(gl_MaterialParameters_fields,
 158              Elements(gl_MaterialParameters_fields),
 159              "gl_MaterialParameters"),
 160    glsl_type(gl_LightSourceParameters_fields,
 161              Elements(gl_LightSourceParameters_fields),
 162              "gl_LightSourceParameters"),
 163    glsl_type(gl_LightModelParameters_fields,
 164              Elements(gl_LightModelParameters_fields),
 165              "gl_LightModelParameters"),
 166    glsl_type(gl_LightModelProducts_fields,
 167              Elements(gl_LightModelProducts_fields),
 168              "gl_LightModelProducts"),
 169    glsl_type(gl_LightProducts_fields,
 170              Elements(gl_LightProducts_fields),
 171              "gl_LightProducts"),
 172    glsl_type(gl_FogParameters_fields,
 173              Elements(gl_FogParameters_fields),
 174              "gl_FogParameters"),
 175 };
 176 /*@}*/
 177
 178 /** \name Types in GLSL 1.10 (but not GLSL ES 1.00)
 179  */
 180 /*@{*/
 181 const glsl_type glsl_type::builtin_110_types[] = {
 182    glsl_type(GL_SAMPLER_1D,   GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_FLOAT,
 183              "sampler1D"),
 184    glsl_type(GL_SAMPLER_1D_SHADOW, GLSL_SAMPLER_DIM_1D, 1, 0, GLSL_TYPE_FLOAT,
 185              "sampler1DShadow"),
 186    glsl_type(GL_SAMPLER_2D_SHADOW, GLSL_SAMPLER_DIM_2D, 1, 0, GLSL_TYPE_FLOAT,
 187              "sampler2DShadow"),
 188 };
 189 /*@}*/
 190
 191 /** \name Types added in GLSL 1.20
 192  */
 193 /*@{*/
 194
 195 const glsl_type glsl_type::builtin_120_types[] = {
 196    glsl_type(GL_FLOAT_MAT2x3, GLSL_TYPE_FLOAT, 3, 2, "mat2x3"),
 197    glsl_type(GL_FLOAT_MAT2x4, GLSL_TYPE_FLOAT, 4, 2, "mat2x4"),
 198    glsl_type(GL_FLOAT_MAT3x2, GLSL_TYPE_FLOAT, 2, 3, "mat3x2"),
 199    glsl_type(GL_FLOAT_MAT3x4, GLSL_TYPE_FLOAT, 4, 3, "mat3x4"),
 200    glsl_type(GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4, "mat4x2"),
 201    glsl_type(GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4, "mat4x3"),
 202 };
 203 const glsl_type *const glsl_type::mat2x3_type = & builtin_120_types[0];
 204 const glsl_type *const glsl_type::mat2x4_type = & builtin_120_types[1];
 205 const glsl_type *const glsl_type::mat3x2_type = & builtin_120_types[2];
 206 const glsl_type *const glsl_type::mat3x4_type = & builtin_120_types[3];
 207 const glsl_type *const glsl_type::mat4x2_type = & builtin_120_types[4];
 208 const glsl_type *const glsl_type::mat4x3_type = & builtin_120_types[5];
 209 /*@}*/
 210
 211 /** \name Types added in GLSL 1.30
 212  */
 213 /*@{*/
 214
 215 const glsl_type glsl_type::builtin_130_types[] = {
 216    glsl_type(GL_UNSIGNED_INT,      GLSL_TYPE_UINT, 1, 1, "uint"),
 217    glsl_type(GL_UNSIGNED_INT_VEC2, GLSL_TYPE_UINT, 2, 1, "uvec2"),
 218    glsl_type(GL_UNSIGNED_INT_VEC3, GLSL_TYPE_UINT, 3, 1, "uvec3"),
 219    glsl_type(GL_UNSIGNED_INT_VEC4, GLSL_TYPE_UINT, 4, 1, "uvec4"),
 220
 221    /* 1D and 2D texture arrays - several of these are included only in
 222     * builtin_EXT_texture_array_types.
 223     */
 224    glsl_type(GL_INT_SAMPLER_1D_ARRAY,
 225              GLSL_SAMPLER_DIM_1D, 0, 1,   GLSL_TYPE_INT, "isampler1DArray"),
 226    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D_ARRAY,
 227              GLSL_SAMPLER_DIM_1D, 0, 1,  GLSL_TYPE_UINT, "usampler1DArray"),
 228    glsl_type(GL_INT_SAMPLER_2D_ARRAY,
 229              GLSL_SAMPLER_DIM_2D, 0, 1,   GLSL_TYPE_INT, "isampler2DArray"),
 230    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_ARRAY,
 231              GLSL_SAMPLER_DIM_2D, 0, 1,  GLSL_TYPE_UINT, "usampler2DArray"),
 232
 233    /* cube shadow samplers */
 234    glsl_type(GL_SAMPLER_CUBE_SHADOW,
 235              GLSL_SAMPLER_DIM_CUBE, 1, 0, GLSL_TYPE_FLOAT, "samplerCubeShadow"),
 236
 237    /* signed and unsigned integer samplers */
 238    glsl_type(GL_INT_SAMPLER_1D,
 239              GLSL_SAMPLER_DIM_1D, 0, 0,   GLSL_TYPE_INT, "isampler1D"),
 240    glsl_type(GL_UNSIGNED_INT_SAMPLER_1D,
 241              GLSL_SAMPLER_DIM_1D, 0, 0,  GLSL_TYPE_UINT, "usampler1D"),
 242    glsl_type(GL_INT_SAMPLER_2D,
 243              GLSL_SAMPLER_DIM_2D, 0, 0,   GLSL_TYPE_INT, "isampler2D"),
 244    glsl_type(GL_UNSIGNED_INT_SAMPLER_2D,
 245              GLSL_SAMPLER_DIM_2D, 0, 0,  GLSL_TYPE_UINT, "usampler2D"),
 246    glsl_type(GL_INT_SAMPLER_3D,
 247              GLSL_SAMPLER_DIM_3D, 0, 0,   GLSL_TYPE_INT, "isampler3D"),
 248    glsl_type(GL_UNSIGNED_INT_SAMPLER_3D,
 249              GLSL_SAMPLER_DIM_3D, 0, 0,  GLSL_TYPE_UINT, "usampler3D"),
 250    glsl_type(GL_INT_SAMPLER_CUBE,
 251              GLSL_SAMPLER_DIM_CUBE, 0, 0,   GLSL_TYPE_INT, "isamplerCube"),
 252    glsl_type(GL_INT_SAMPLER_CUBE,
 253              GLSL_SAMPLER_DIM_CUBE, 0, 0,  GLSL_TYPE_UINT, "usamplerCube"),
 254 };
 255
 256 const glsl_type *const glsl_type::uint_type = & builtin_130_types[0];
 257 const glsl_type *const glsl_type::uvec2_type = & builtin_130_types[1];
 258 const glsl_type *const glsl_type::uvec3_type = & builtin_130_types[2];
 259 const glsl_type *const glsl_type::uvec4_type = & builtin_130_types[3];
 260 /*@}*/
 261
 262 /** \name Sampler types added by GL_ARB_texture_rectangle
 263  */
 264 /*@{*/
 265
 266 const glsl_type glsl_type::builtin_ARB_texture_rectangle_types[] = {
 267    glsl_type(GL_SAMPLER_2D_RECT,
 268              GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_FLOAT, "sampler2DRect"),
 269    glsl_type(GL_SAMPLER_2D_RECT_SHADOW,
 270              GLSL_SAMPLER_DIM_RECT, 1, 0, GLSL_TYPE_FLOAT, "sampler2DRectShadow"),
 271 };
 272 /*@}*/
 273
 274 /** \name Sampler types added by GL_EXT_texture_array
 275  */
 276 /*@{*/
 277
 278 const glsl_type glsl_type::builtin_EXT_texture_array_types[] = {
 279    glsl_type(GL_SAMPLER_1D_ARRAY,
 280              GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_FLOAT, "sampler1DArray"),
 281    glsl_type(GL_SAMPLER_2D_ARRAY,
 282              GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_FLOAT, "sampler2DArray"),
 283    glsl_type(GL_SAMPLER_1D_ARRAY_SHADOW,
 284              GLSL_SAMPLER_DIM_1D, 1, 1, GLSL_TYPE_FLOAT, "sampler1DArrayShadow"),
 285    glsl_type(GL_SAMPLER_2D_ARRAY_SHADOW,
 286              GLSL_SAMPLER_DIM_2D, 1, 1, GLSL_TYPE_FLOAT, "sampler2DArrayShadow"),
 287 };
 288 /*@}*/
 289
 290 /** \name Sampler types added by GL_EXT_texture_buffer_object
 291  */
 292 /*@{*/
 293
 294 const glsl_type glsl_type::builtin_EXT_texture_buffer_object_types[] = {
 295    glsl_type(GL_SAMPLER_BUFFER,
 296              GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_FLOAT, "samplerBuffer"),
 297    glsl_type(GL_INT_SAMPLER_BUFFER,
 298              GLSL_SAMPLER_DIM_BUF, 0, 0,   GLSL_TYPE_INT, "isamplerBuffer"),
 299    glsl_type(GL_UNSIGNED_INT_SAMPLER_BUFFER,
 300              GLSL_SAMPLER_DIM_BUF, 0, 0,  GLSL_TYPE_UINT, "usamplerBuffer"),
 301 };
 302 /*@}*/
 303
 304 /** \name Sampler types added by GL_OES_EGL_image_external
 305  */
 306 /*@{*/
 307
 308 const glsl_type glsl_type::builtin_OES_EGL_image_external_types[] = {
 309    glsl_type(GL_SAMPLER_EXTERNAL_OES,
 310              GLSL_SAMPLER_DIM_EXTERNAL, 0, 0, GLSL_TYPE_FLOAT, "samplerExternalOES"),
 311 };
 312 /*@}*/