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_stencil_op(unsigned op)
  64 {
  65    switch (op) {
  66    case PIPE_STENCIL_OP_KEEP:
  67       return STENCILOP_KEEP;
  68    case PIPE_STENCIL_OP_ZERO:
  69       return STENCILOP_ZERO;
  70    case PIPE_STENCIL_OP_REPLACE:
  71       return STENCILOP_REPLACE;
  72    case PIPE_STENCIL_OP_INCR:
  73       return STENCILOP_INCRSAT;
  74    case PIPE_STENCIL_OP_DECR:
  75       return STENCILOP_DECRSAT;
  76    case PIPE_STENCIL_OP_INCR_WRAP:
  77       return STENCILOP_INCR;
  78    case PIPE_STENCIL_OP_DECR_WRAP:
  79       return STENCILOP_DECR;
  80    case PIPE_STENCIL_OP_INVERT:
  81       return STENCILOP_INVERT;
  82    default:
  83       return STENCILOP_ZERO;
  84    }
  85 }
  86
  87 static INLINE unsigned
  88 i915_translate_blend_factor(unsigned factor)
  89 {
  90    switch (factor) {
  91    case PIPE_BLENDFACTOR_ZERO:
  92       return BLENDFACT_ZERO;
  93    case PIPE_BLENDFACTOR_SRC_ALPHA:
  94       return BLENDFACT_SRC_ALPHA;
  95    case PIPE_BLENDFACTOR_ONE:
  96       return BLENDFACT_ONE;
  97    case PIPE_BLENDFACTOR_SRC_COLOR:
  98       return BLENDFACT_SRC_COLR;
  99    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 100       return BLENDFACT_INV_SRC_COLR;
 101    case PIPE_BLENDFACTOR_DST_COLOR:
 102       return BLENDFACT_DST_COLR;
 103    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 104       return BLENDFACT_INV_DST_COLR;
 105    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 106       return BLENDFACT_INV_SRC_ALPHA;
 107    case PIPE_BLENDFACTOR_DST_ALPHA:
 108       return BLENDFACT_DST_ALPHA;
 109    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 110       return BLENDFACT_INV_DST_ALPHA;
 111    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 112       return BLENDFACT_SRC_ALPHA_SATURATE;
 113    case PIPE_BLENDFACTOR_CONST_COLOR:
 114       return BLENDFACT_CONST_COLOR;
 115    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 116       return BLENDFACT_INV_CONST_COLOR;
 117    case PIPE_BLENDFACTOR_CONST_ALPHA:
 118       return BLENDFACT_CONST_ALPHA;
 119    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 120       return BLENDFACT_INV_CONST_ALPHA;
 121    default:
 122       return BLENDFACT_ZERO;
 123    }
 124 }
 125
 126 static INLINE unsigned
 127 i915_translate_blend_func(unsigned mode)
 128 {
 129    switch (mode) {
 130    case PIPE_BLEND_ADD:
 131       return BLENDFUNC_ADD;
 132    case PIPE_BLEND_MIN:
 133       return BLENDFUNC_MIN;
 134    case PIPE_BLEND_MAX:
 135       return BLENDFUNC_MAX;
 136    case PIPE_BLEND_SUBTRACT:
 137       return BLENDFUNC_SUBTRACT;
 138    case PIPE_BLEND_REVERSE_SUBTRACT:
 139       return BLENDFUNC_REVERSE_SUBTRACT;
 140    default:
 141       return 0;
 142    }
 143 }
 144
 145
 146 static INLINE unsigned
 147 i915_translate_logic_op(unsigned opcode)
 148 {
 149    switch (opcode) {
 150    case PIPE_LOGICOP_CLEAR:
 151       return LOGICOP_CLEAR;
 152    case PIPE_LOGICOP_AND:
 153       return LOGICOP_AND;
 154    case PIPE_LOGICOP_AND_REVERSE:
 155       return LOGICOP_AND_RVRSE;
 156    case PIPE_LOGICOP_COPY:
 157       return LOGICOP_COPY;
 158    case PIPE_LOGICOP_COPY_INVERTED:
 159       return LOGICOP_COPY_INV;
 160    case PIPE_LOGICOP_AND_INVERTED:
 161       return LOGICOP_AND_INV;
 162    case PIPE_LOGICOP_NOOP:
 163       return LOGICOP_NOOP;
 164    case PIPE_LOGICOP_XOR:
 165       return LOGICOP_XOR;
 166    case PIPE_LOGICOP_OR:
 167       return LOGICOP_OR;
 168    case PIPE_LOGICOP_OR_INVERTED:
 169       return LOGICOP_OR_INV;
 170    case PIPE_LOGICOP_NOR:
 171       return LOGICOP_NOR;
 172    case PIPE_LOGICOP_EQUIV:
 173       return LOGICOP_EQUIV;
 174    case PIPE_LOGICOP_INVERT:
 175       return LOGICOP_INV;
 176    case PIPE_LOGICOP_OR_REVERSE:
 177       return LOGICOP_OR_RVRSE;
 178    case PIPE_LOGICOP_NAND:
 179       return LOGICOP_NAND;
 180    case PIPE_LOGICOP_SET:
 181       return LOGICOP_SET;
 182    default:
 183       return LOGICOP_SET;
 184    }
 185 }
 186
 187
 188
 189 static INLINE boolean i915_validate_vertices( unsigned hw_prim, unsigned nr )
 190 {
 191    boolean ok;
 192
 193    switch (hw_prim) {
 194    case PRIM3D_POINTLIST:
 195       ok = (nr >= 1);
 196       assert(ok);
 197       break;
 198    case PRIM3D_LINELIST:
 199       ok = (nr >= 2) && (nr % 2) == 0;
 200       assert(ok);
 201       break;
 202    case PRIM3D_LINESTRIP:
 203       ok = (nr >= 2);
 204       assert(ok);
 205       break;
 206    case PRIM3D_TRILIST:
 207       ok = (nr >= 3) && (nr % 3) == 0;
 208       assert(ok);
 209       break;
 210    case PRIM3D_TRISTRIP:
 211       ok = (nr >= 3);
 212       assert(ok);
 213       break;
 214    case PRIM3D_TRIFAN:
 215       ok = (nr >= 3);
 216       assert(ok);
 217       break;
 218    case PRIM3D_POLY:
 219       ok = (nr >= 3);
 220       assert(ok);
 221       break;
 222    default:
 223       assert(0);
 224       ok = 0;
 225       break;
 226    }
 227
 228    return ok;
 229 }
 230
 231 #endif