src/glsl/builtin_variables.h

   1 /*
   2  * Copyright © 2010 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 #include "main/core.h" /* for slot numbers */
  25
  26 struct builtin_variable {
  27    enum ir_variable_mode mode;
  28    int slot;
  29    const char *type;
  30    const char *name;
  31 };
  32
  33 static const builtin_variable builtin_core_vs_variables[] = {
  34    { ir_var_out, VERT_RESULT_HPOS, "vec4",  "gl_Position" },
  35    { ir_var_out, VERT_RESULT_PSIZ, "float", "gl_PointSize" },
  36 };
  37
  38 static const builtin_variable builtin_core_fs_variables[] = {
  39    { ir_var_in,  FRAG_ATTRIB_WPOS,  "vec4",  "gl_FragCoord" },
  40    { ir_var_in,  FRAG_ATTRIB_FACE,  "bool",  "gl_FrontFacing" },
  41    { ir_var_out, FRAG_RESULT_COLOR, "vec4",  "gl_FragColor" },
  42    { ir_var_out, FRAG_RESULT_DEPTH, "float", "gl_FragDepth" },
  43 };
  44
  45 static const builtin_variable builtin_110_deprecated_fs_variables[] = {
  46    { ir_var_in,  FRAG_ATTRIB_COL0,  "vec4",  "gl_Color" },
  47    { ir_var_in,  FRAG_ATTRIB_COL1,  "vec4",  "gl_SecondaryColor" },
  48    { ir_var_in,  FRAG_ATTRIB_FOGC,  "float", "gl_FogFragCoord" },
  49 };
  50
  51 static const builtin_variable builtin_110_deprecated_vs_variables[] = {
  52    { ir_var_in,  VERT_ATTRIB_POS,    "vec4",  "gl_Vertex" },
  53    { ir_var_in,  VERT_ATTRIB_NORMAL, "vec3",  "gl_Normal" },
  54    { ir_var_in,  VERT_ATTRIB_COLOR0, "vec4",  "gl_Color" },
  55    { ir_var_in,  VERT_ATTRIB_COLOR1, "vec4",  "gl_SecondaryColor" },
  56    { ir_var_in,  VERT_ATTRIB_TEX0,   "vec4",  "gl_MultiTexCoord0" },
  57    { ir_var_in,  VERT_ATTRIB_TEX1,   "vec4",  "gl_MultiTexCoord1" },
  58    { ir_var_in,  VERT_ATTRIB_TEX2,   "vec4",  "gl_MultiTexCoord2" },
  59    { ir_var_in,  VERT_ATTRIB_TEX3,   "vec4",  "gl_MultiTexCoord3" },
  60    { ir_var_in,  VERT_ATTRIB_TEX4,   "vec4",  "gl_MultiTexCoord4" },
  61    { ir_var_in,  VERT_ATTRIB_TEX5,   "vec4",  "gl_MultiTexCoord5" },
  62    { ir_var_in,  VERT_ATTRIB_TEX6,   "vec4",  "gl_MultiTexCoord6" },
  63    { ir_var_in,  VERT_ATTRIB_TEX7,   "vec4",  "gl_MultiTexCoord7" },
  64    { ir_var_in,  VERT_ATTRIB_FOG,    "float", "gl_FogCoord" },
  65    { ir_var_out, VERT_RESULT_HPOS,   "vec4",  "gl_ClipVertex" },
  66    { ir_var_out, VERT_RESULT_COL0,   "vec4",  "gl_FrontColor" },
  67    { ir_var_out, VERT_RESULT_BFC0,   "vec4",  "gl_BackColor" },
  68    { ir_var_out, VERT_RESULT_COL1,   "vec4",  "gl_FrontSecondaryColor" },
  69    { ir_var_out, VERT_RESULT_BFC1,   "vec4",  "gl_BackSecondaryColor" },
  70    { ir_var_out, VERT_RESULT_FOGC,   "float", "gl_FogFragCoord" },
  71 };
  72
  73 static const builtin_variable builtin_120_fs_variables[] = {
  74    { ir_var_in,  FRAG_ATTRIB_PNTC,   "vec2",   "gl_PointCoord" },
  75 };
  76
  77 static const builtin_variable builtin_130_vs_variables[] = {
  78    { ir_var_in,  -1,                 "int",   "gl_VertexID" },
  79 };
  80
  81 static const builtin_variable builtin_110_deprecated_uniforms[] = {
  82    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrix" },
  83    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrix" },
  84    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrix" },
  85    { ir_var_uniform, -1, "mat3", "gl_NormalMatrix" },
  86    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverse" },
  87    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverse" },
  88    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverse" },
  89    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixTranspose" },
  90    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixTranspose" },
  91    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixTranspose" },
  92    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverseTranspose" },
  93    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverseTranspose" },
  94    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverseTranspose" },
  95    { ir_var_uniform, -1, "float", "gl_NormalScale" },
  96    { ir_var_uniform, -1, "gl_LightModelParameters", "gl_LightModel"},
  97 };
  98