src/gallium/drivers/i915/i915_state_inlines.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef I915_STATE_INLINES_H
  29 #define I915_STATE_INLINES_H
  30
  31 #include "pipe/p_compiler.h"
  32 #include "pipe/p_defines.h"
  33 #include "util/u_debug.h"
  34 #include "i915_reg.h"
  35
  36
  37 static INLINE unsigned
  38 i915_translate_compare_func(unsigned func)
  39 {
  40    switch (func) {
  41    case PIPE_FUNC_NEVER:
  42       return COMPAREFUNC_NEVER;
  43    case PIPE_FUNC_LESS:
  44       return COMPAREFUNC_LESS;
  45    case PIPE_FUNC_LEQUAL:
  46       return COMPAREFUNC_LEQUAL;
  47    case PIPE_FUNC_GREATER:
  48       return COMPAREFUNC_GREATER;
  49    case PIPE_FUNC_GEQUAL:
  50       return COMPAREFUNC_GEQUAL;
  51    case PIPE_FUNC_NOTEQUAL:
  52       return COMPAREFUNC_NOTEQUAL;
  53    case PIPE_FUNC_EQUAL:
  54       return COMPAREFUNC_EQUAL;
  55    case PIPE_FUNC_ALWAYS:
  56       return COMPAREFUNC_ALWAYS;
  57    default:
  58       return COMPAREFUNC_ALWAYS;
  59    }
  60 }
  61
  62 static INLINE unsigned
  63 i915_translate_shadow_compare_func(unsigned func)
  64 {
  65    switch (func) {
  66    case PIPE_FUNC_NEVER:
  67       return COMPAREFUNC_ALWAYS;
  68    case PIPE_FUNC_LESS:
  69       return COMPAREFUNC_LEQUAL;
  70    case PIPE_FUNC_LEQUAL:
  71       return COMPAREFUNC_LESS;
  72    case PIPE_FUNC_GREATER:
  73       return COMPAREFUNC_GEQUAL;
  74    case PIPE_FUNC_GEQUAL:
  75       return COMPAREFUNC_GREATER;
  76    case PIPE_FUNC_NOTEQUAL:
  77       return COMPAREFUNC_EQUAL;
  78    case PIPE_FUNC_EQUAL:
  79       return COMPAREFUNC_NOTEQUAL;
  80    case PIPE_FUNC_ALWAYS:
  81       return COMPAREFUNC_NEVER;
  82    default:
  83       return COMPAREFUNC_NEVER;
  84    }
  85 }
  86
  87 static INLINE unsigned
  88 i915_translate_stencil_op(unsigned op)
  89 {
  90    switch (op) {
  91    case PIPE_STENCIL_OP_KEEP:
  92       return STENCILOP_KEEP;
  93    case PIPE_STENCIL_OP_ZERO:
  94       return STENCILOP_ZERO;
  95    case PIPE_STENCIL_OP_REPLACE:
  96       return STENCILOP_REPLACE;
  97    case PIPE_STENCIL_OP_INCR:
  98       return STENCILOP_INCRSAT;
  99    case PIPE_STENCIL_OP_DECR:
 100       return STENCILOP_DECRSAT;
 101    case PIPE_STENCIL_OP_INCR_WRAP:
 102       return STENCILOP_INCR;
 103    case PIPE_STENCIL_OP_DECR_WRAP:
 104       return STENCILOP_DECR;
 105    case PIPE_STENCIL_OP_INVERT:
 106       return STENCILOP_INVERT;
 107    default:
 108       return STENCILOP_ZERO;
 109    }
 110 }
 111
 112 static INLINE unsigned
 113 i915_translate_blend_factor(unsigned factor)
 114 {
 115    switch (factor) {
 116    case PIPE_BLENDFACTOR_ZERO:
 117       return BLENDFACT_ZERO;
 118    case PIPE_BLENDFACTOR_SRC_ALPHA:
 119       return BLENDFACT_SRC_ALPHA;
 120    case PIPE_BLENDFACTOR_ONE:
 121       return BLENDFACT_ONE;
 122    case PIPE_BLENDFACTOR_SRC_COLOR:
 123       return BLENDFACT_SRC_COLR;
 124    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 125       return BLENDFACT_INV_SRC_COLR;
 126    case PIPE_BLENDFACTOR_DST_COLOR:
 127       return BLENDFACT_DST_COLR;
 128    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 129       return BLENDFACT_INV_DST_COLR;
 130    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 131       return BLENDFACT_INV_SRC_ALPHA;
 132    case PIPE_BLENDFACTOR_DST_ALPHA:
 133       return BLENDFACT_DST_ALPHA;
 134    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 135       return BLENDFACT_INV_DST_ALPHA;
 136    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 137       return BLENDFACT_SRC_ALPHA_SATURATE;
 138    case PIPE_BLENDFACTOR_CONST_COLOR:
 139       return BLENDFACT_CONST_COLOR;
 140    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 141       return BLENDFACT_INV_CONST_COLOR;
 142    case PIPE_BLENDFACTOR_CONST_ALPHA:
 143       return BLENDFACT_CONST_ALPHA;
 144    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 145       return BLENDFACT_INV_CONST_ALPHA;
 146    default:
 147       return BLENDFACT_ZERO;
 148    }
 149 }
 150
 151 static INLINE unsigned
 152 i915_translate_blend_func(unsigned mode)
 153 {
 154    switch (mode) {
 155    case PIPE_BLEND_ADD:
 156       return BLENDFUNC_ADD;
 157    case PIPE_BLEND_MIN:
 158       return BLENDFUNC_MIN;
 159    case PIPE_BLEND_MAX:
 160       return BLENDFUNC_MAX;
 161    case PIPE_BLEND_SUBTRACT:
 162       return BLENDFUNC_SUBTRACT;
 163    case PIPE_BLEND_REVERSE_SUBTRACT:
 164       return BLENDFUNC_REVERSE_SUBTRACT;
 165    default:
 166       return 0;
 167    }
 168 }
 169
 170
 171 static INLINE unsigned
 172 i915_translate_logic_op(unsigned opcode)
 173 {
 174    switch (opcode) {
 175    case PIPE_LOGICOP_CLEAR:
 176       return LOGICOP_CLEAR;
 177    case PIPE_LOGICOP_AND:
 178       return LOGICOP_AND;
 179    case PIPE_LOGICOP_AND_REVERSE:
 180       return LOGICOP_AND_RVRSE;
 181    case PIPE_LOGICOP_COPY:
 182       return LOGICOP_COPY;
 183    case PIPE_LOGICOP_COPY_INVERTED:
 184       return LOGICOP_COPY_INV;
 185    case PIPE_LOGICOP_AND_INVERTED:
 186       return LOGICOP_AND_INV;
 187    case PIPE_LOGICOP_NOOP:
 188       return LOGICOP_NOOP;
 189    case PIPE_LOGICOP_XOR:
 190       return LOGICOP_XOR;
 191    case PIPE_LOGICOP_OR:
 192       return LOGICOP_OR;
 193    case PIPE_LOGICOP_OR_INVERTED:
 194       return LOGICOP_OR_INV;
 195    case PIPE_LOGICOP_NOR:
 196       return LOGICOP_NOR;
 197    case PIPE_LOGICOP_EQUIV:
 198       return LOGICOP_EQUIV;
 199    case PIPE_LOGICOP_INVERT:
 200       return LOGICOP_INV;
 201    case PIPE_LOGICOP_OR_REVERSE:
 202       return LOGICOP_OR_RVRSE;
 203    case PIPE_LOGICOP_NAND:
 204       return LOGICOP_NAND;
 205    case PIPE_LOGICOP_SET:
 206       return LOGICOP_SET;
 207    default:
 208       return LOGICOP_SET;
 209    }
 210 }
 211
 212
 213
 214 static INLINE boolean i915_validate_vertices( unsigned hw_prim, unsigned nr )
 215 {
 216    boolean ok;
 217
 218    switch (hw_prim) {
 219    case PRIM3D_POINTLIST:
 220       ok = (nr >= 1);
 221       assert(ok);
 222       break;
 223    case PRIM3D_LINELIST:
 224       ok = (nr >= 2) && (nr % 2) == 0;
 225       assert(ok);
 226       break;
 227    case PRIM3D_LINESTRIP:
 228       ok = (nr >= 2);
 229       assert(ok);
 230       break;
 231    case PRIM3D_TRILIST:
 232       ok = (nr >= 3) && (nr % 3) == 0;
 233       assert(ok);
 234       break;
 235    case PRIM3D_TRISTRIP:
 236       ok = (nr >= 3);
 237       assert(ok);
 238       break;
 239    case PRIM3D_TRIFAN:
 240       ok = (nr >= 3);
 241       assert(ok);
 242       break;
 243    case PRIM3D_POLY:
 244       ok = (nr >= 3);
 245       assert(ok);
 246       break;
 247    default:
 248       assert(0);
 249       ok = 0;
 250       break;
 251    }
 252
 253    return ok;
 254 }
 255
 256 #endif