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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 };
43 
44 static const builtin_variable builtin_100ES_fs_variables[] = {
45    { ir_var_in,  FRAG_ATTRIB_PNTC,   "vec2",   "gl_PointCoord" },
46 };
47 
48 static const builtin_variable builtin_110_fs_variables[] = {
49    { ir_var_out, FRAG_RESULT_DEPTH, "float", "gl_FragDepth" },
50 };
51 
52 static const builtin_variable builtin_110_deprecated_fs_variables[] = {
53    { ir_var_in,  FRAG_ATTRIB_COL0,  "vec4",  "gl_Color" },
54    { ir_var_in,  FRAG_ATTRIB_COL1,  "vec4",  "gl_SecondaryColor" },
55    { ir_var_in,  FRAG_ATTRIB_FOGC,  "float", "gl_FogFragCoord" },
56 };
57 
58 static const builtin_variable builtin_110_deprecated_vs_variables[] = {
59    { ir_var_in,  VERT_ATTRIB_POS,    "vec4",  "gl_Vertex" },
60    { ir_var_in,  VERT_ATTRIB_NORMAL, "vec3",  "gl_Normal" },
61    { ir_var_in,  VERT_ATTRIB_COLOR0, "vec4",  "gl_Color" },
62    { ir_var_in,  VERT_ATTRIB_COLOR1, "vec4",  "gl_SecondaryColor" },
63    { ir_var_in,  VERT_ATTRIB_TEX0,   "vec4",  "gl_MultiTexCoord0" },
64    { ir_var_in,  VERT_ATTRIB_TEX1,   "vec4",  "gl_MultiTexCoord1" },
65    { ir_var_in,  VERT_ATTRIB_TEX2,   "vec4",  "gl_MultiTexCoord2" },
66    { ir_var_in,  VERT_ATTRIB_TEX3,   "vec4",  "gl_MultiTexCoord3" },
67    { ir_var_in,  VERT_ATTRIB_TEX4,   "vec4",  "gl_MultiTexCoord4" },
68    { ir_var_in,  VERT_ATTRIB_TEX5,   "vec4",  "gl_MultiTexCoord5" },
69    { ir_var_in,  VERT_ATTRIB_TEX6,   "vec4",  "gl_MultiTexCoord6" },
70    { ir_var_in,  VERT_ATTRIB_TEX7,   "vec4",  "gl_MultiTexCoord7" },
71    { ir_var_in,  VERT_ATTRIB_FOG,    "float", "gl_FogCoord" },
72    { ir_var_out, VERT_RESULT_HPOS,   "vec4",  "gl_ClipVertex" },
73    { ir_var_out, VERT_RESULT_COL0,   "vec4",  "gl_FrontColor" },
74    { ir_var_out, VERT_RESULT_BFC0,   "vec4",  "gl_BackColor" },
75    { ir_var_out, VERT_RESULT_COL1,   "vec4",  "gl_FrontSecondaryColor" },
76    { ir_var_out, VERT_RESULT_BFC1,   "vec4",  "gl_BackSecondaryColor" },
77    { ir_var_out, VERT_RESULT_FOGC,   "float", "gl_FogFragCoord" },
78 };
79 
80 static const builtin_variable builtin_120_fs_variables[] = {
81    { ir_var_in,  FRAG_ATTRIB_PNTC,   "vec2",   "gl_PointCoord" },
82 };
83 
84 static const builtin_variable builtin_130_vs_variables[] = {
85    { ir_var_in,  -1,                 "int",   "gl_VertexID" },
86 };
87 
88 static const builtin_variable builtin_110_deprecated_uniforms[] = {
89    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrix" },
90    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrix" },
91    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrix" },
92    { ir_var_uniform, -1, "mat3", "gl_NormalMatrix" },
93    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverse" },
94    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverse" },
95    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverse" },
96    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixTranspose" },
97    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixTranspose" },
98    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixTranspose" },
99    { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverseTranspose" },
100    { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverseTranspose" },
101    { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverseTranspose" },
102    { ir_var_uniform, -1, "float", "gl_NormalScale" },
103    { ir_var_uniform, -1, "gl_LightModelParameters", "gl_LightModel"},
104 };
105 
106