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