src/mesa/drivers/dri/nouveau/nouveau_gldefs.h

   1 /*
   2  * Copyright (C) 2007-2010 The Nouveau Project.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __NOUVEAU_GLDEFS_H__
  28 #define __NOUVEAU_GLDEFS_H__
  29
  30 static inline unsigned
  31 nvgl_blend_func(unsigned func)
  32 {
  33         switch (func) {
  34         case GL_ZERO:
  35                 return 0x0000;
  36         case GL_ONE:
  37                 return 0x0001;
  38         case GL_SRC_COLOR:
  39                 return 0x0300;
  40         case GL_ONE_MINUS_SRC_COLOR:
  41                 return 0x0301;
  42         case GL_SRC_ALPHA:
  43                 return 0x0302;
  44         case GL_ONE_MINUS_SRC_ALPHA:
  45                 return 0x0303;
  46         case GL_DST_ALPHA:
  47                 return 0x0304;
  48         case GL_ONE_MINUS_DST_ALPHA:
  49                 return 0x0305;
  50         case GL_DST_COLOR:
  51                 return 0x0306;
  52         case GL_ONE_MINUS_DST_COLOR:
  53                 return 0x0307;
  54         case GL_SRC_ALPHA_SATURATE:
  55                 return 0x0308;
  56         case GL_CONSTANT_COLOR:
  57                 return 0x8001;
  58         case GL_ONE_MINUS_CONSTANT_COLOR:
  59                 return 0x8002;
  60         case GL_CONSTANT_ALPHA:
  61                 return 0x8003;
  62         case GL_ONE_MINUS_CONSTANT_ALPHA:
  63                 return 0x8004;
  64         default:
  65                 assert(0);
  66         }
  67 }
  68
  69 static inline unsigned
  70 nvgl_blend_eqn(unsigned eqn)
  71 {
  72         switch (eqn) {
  73         case GL_FUNC_ADD:
  74                 return 0x8006;
  75         case GL_MIN:
  76                 return 0x8007;
  77         case GL_MAX:
  78                 return 0x8008;
  79         case GL_FUNC_SUBTRACT:
  80                 return 0x800a;
  81         case GL_FUNC_REVERSE_SUBTRACT:
  82                 return 0x800b;
  83         default:
  84                 assert(0);
  85         }
  86 }
  87
  88 static inline unsigned
  89 nvgl_logicop_func(unsigned func)
  90 {
  91         switch (func) {
  92         case GL_CLEAR:
  93                 return 0x1500;
  94         case GL_NOR:
  95                 return 0x1508;
  96         case GL_AND_INVERTED:
  97                 return 0x1504;
  98         case GL_COPY_INVERTED:
  99                 return 0x150c;
 100         case GL_AND_REVERSE:
 101                 return 0x1502;
 102         case GL_INVERT:
 103                 return 0x150a;
 104         case GL_XOR:
 105                 return 0x1506;
 106         case GL_NAND:
 107                 return 0x150e;
 108         case GL_AND:
 109                 return 0x1501;
 110         case GL_EQUIV:
 111                 return 0x1509;
 112         case GL_NOOP:
 113                 return 0x1505;
 114         case GL_OR_INVERTED:
 115                 return 0x150d;
 116         case GL_COPY:
 117                 return 0x1503;
 118         case GL_OR_REVERSE:
 119                 return 0x150b;
 120         case GL_OR:
 121                 return 0x1507;
 122         case GL_SET:
 123                 return 0x150f;
 124         default:
 125                 assert(0);
 126         }
 127 }
 128
 129 static inline unsigned
 130 nvgl_comparison_op(unsigned op)
 131 {
 132         switch (op) {
 133         case GL_NEVER:
 134                 return 0x0200;
 135         case GL_LESS:
 136                 return 0x0201;
 137         case GL_EQUAL:
 138                 return 0x0202;
 139         case GL_LEQUAL:
 140                 return 0x0203;
 141         case GL_GREATER:
 142                 return 0x0204;
 143         case GL_NOTEQUAL:
 144                 return 0x0205;
 145         case GL_GEQUAL:
 146                 return 0x0206;
 147         case GL_ALWAYS:
 148                 return 0x0207;
 149         default:
 150                 assert(0);
 151         }
 152 }
 153
 154 static inline unsigned
 155 nvgl_polygon_mode(unsigned mode)
 156 {
 157         switch (mode) {
 158         case GL_POINT:
 159                 return 0x1b00;
 160         case GL_LINE:
 161                 return 0x1b01;
 162         case GL_FILL:
 163                 return 0x1b02;
 164         default:
 165                 assert(0);
 166         }
 167 }
 168
 169 static inline unsigned
 170 nvgl_stencil_op(unsigned op)
 171 {
 172         switch (op) {
 173         case GL_ZERO:
 174                 return 0x0000;
 175         case GL_INVERT:
 176                 return 0x150a;
 177         case GL_KEEP:
 178                 return 0x1e00;
 179         case GL_REPLACE:
 180                 return 0x1e01;
 181         case GL_INCR:
 182                 return 0x1e02;
 183         case GL_DECR:
 184                 return 0x1e03;
 185         case GL_INCR_WRAP_EXT:
 186                 return 0x8507;
 187         case GL_DECR_WRAP_EXT:
 188                 return 0x8508;
 189         default:
 190                 assert(0);
 191         }
 192 }
 193
 194 static inline unsigned
 195 nvgl_primitive(unsigned prim)
 196 {
 197         switch (prim) {
 198         case GL_POINTS:
 199                 return 0x0001;
 200         case GL_LINES:
 201                 return 0x0002;
 202         case GL_LINE_LOOP:
 203                 return 0x0003;
 204         case GL_LINE_STRIP:
 205                 return 0x0004;
 206         case GL_TRIANGLES:
 207                 return 0x0005;
 208         case GL_TRIANGLE_STRIP:
 209                 return 0x0006;
 210         case GL_TRIANGLE_FAN:
 211                 return 0x0007;
 212         case GL_QUADS:
 213                 return 0x0008;
 214         case GL_QUAD_STRIP:
 215                 return 0x0009;
 216         case GL_POLYGON:
 217                 return 0x000a;
 218         default:
 219                 assert(0);
 220         }
 221 }
 222
 223 static inline unsigned
 224 nvgl_wrap_mode(unsigned wrap)
 225 {
 226         switch (wrap) {
 227         case GL_REPEAT:
 228                 return 0x1;
 229         case GL_MIRRORED_REPEAT:
 230                 return 0x2;
 231         case GL_CLAMP:
 232         case GL_CLAMP_TO_EDGE:
 233                 return 0x3;
 234         case GL_CLAMP_TO_BORDER:
 235                 return 0x4;
 236         default:
 237                 assert(0);
 238         }
 239 }
 240
 241 static inline unsigned
 242 nvgl_filter_mode(unsigned filter)
 243 {
 244         switch (filter) {
 245         case GL_NEAREST:
 246                 return 0x1;
 247         case GL_LINEAR:
 248                 return 0x2;
 249         case GL_NEAREST_MIPMAP_NEAREST:
 250                 return 0x3;
 251         case GL_LINEAR_MIPMAP_NEAREST:
 252                 return 0x4;
 253         case GL_NEAREST_MIPMAP_LINEAR:
 254                 return 0x5;
 255         case GL_LINEAR_MIPMAP_LINEAR:
 256                 return 0x6;
 257         default:
 258                 assert(0);
 259         }
 260 }
 261
 262 static inline unsigned
 263 nvgl_texgen_mode(unsigned mode)
 264 {
 265         switch (mode) {
 266         case GL_EYE_LINEAR:
 267                 return 0x2400;
 268         case GL_OBJECT_LINEAR:
 269                 return 0x2401;
 270         case GL_SPHERE_MAP:
 271                 return 0x2402;
 272         case GL_NORMAL_MAP:
 273                 return 0x8511;
 274         case GL_REFLECTION_MAP:
 275                 return 0x8512;
 276         default:
 277                 assert(0);
 278         }
 279 }
 280
 281 #endif