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