src/gallium/state_trackers/vega/asm_util.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.  All Rights Reserved.
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   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
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   8  * without limitation the rights to use, copy, modify, merge, publish,
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  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 portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  24  *
  25  **************************************************************************/
  26
  27 #ifndef ASM_UTIL_H
  28 #define ASM_UTIL_H
  29
  30
  31 static const char pass_through_depth_asm[] =
  32    "FRAG\n"
  33    "DCL IN[0], POSITION, LINEAR\n"
  34    "DCL OUT[0].z, POSITION, CONSTANT\n"
  35    "0: MOV OUT[0].z, IN[0].zzzz\n"
  36    "1: END\n";
  37
  38
  39
  40 /* μnew = μmask */
  41 static const char set_mask_asm[] =
  42    "FRAG\n"
  43    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  44    "DCL SAMP[0], CONSTANT\n"
  45    "DCL OUT[0], COLOR, CONSTANT\n"
  46    "0: TEX OUT[0], IN[0], SAMP[0], 2D\n"/*umask*/
  47    "1: END\n";
  48
  49 /* μnew = 1 – (1 – μmask)*(1 – μprev) */
  50 static const char union_mask_asm[] =
  51    "FRAG\n"
  52    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  53    "DCL IN[1], POSITION, LINEAR\n"
  54    "DCL CONST[0], CONSTANT\n"
  55    "DCL SAMP[0..1], CONSTANT\n"
  56    "DCL TEMP[0..3], CONSTANT\n"
  57    "DCL OUT[0], COLOR, CONSTANT\n"
  58    "0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  59    "1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  60    "2: SUB TEMP[2], CONST[0], TEMP[0]\n"
  61    "3: SUB TEMP[3], CONST[0], TEMP[1]\n"
  62    "4: MUL TEMP[0].w, TEMP[2].wwww, TEMP[3].wwww\n"
  63    "5: SUB OUT[0], CONST[0], TEMP[0]\n"
  64    "6: END\n";
  65
  66 /* μnew = μmask *μprev */
  67 static const char intersect_mask_asm[] =
  68    "FRAG\n"
  69    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  70    "DCL IN[1], POSITION, LINEAR\n"
  71    "DCL CONST[0], CONSTANT\n"
  72    "DCL SAMP[0..1], CONSTANT\n"
  73    "DCL TEMP[0..1], CONSTANT\n"
  74    "DCL OUT[0], COLOR, CONSTANT\n"
  75    "0: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  76    "1: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  77    "2: MUL OUT[0], TEMP[0].wwww, TEMP[1].wwww\n"
  78    "3: END\n";
  79
  80 /* μnew = μprev*(1 – μmask) */
  81 static const char subtract_mask_asm[] =
  82    "FRAG\n"
  83    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  84    "DCL IN[1], POSITION, LINEAR\n"
  85    "DCL CONST[0], CONSTANT\n"
  86    "DCL SAMP[0..1], CONSTANT\n"
  87    "DCL TEMP[0..2], CONSTANT\n"
  88    "DCL OUT[0], COLOR, CONSTANT\n"
  89    "0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  90    "1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  91    "2: SUB TEMP[2], CONST[0], TEMP[1]\n"
  92    "3: MUL OUT[0], TEMP[2].wwww, TEMP[0].wwww\n"
  93    "4: END\n";
  94
  95
  96 static const char vs_plain_asm[] =
  97    "VERT\n"
  98    "DCL IN[0]\n"
  99    "DCL OUT[0], POSITION\n"
 100    "DCL TEMP[0]\n"
 101    "DCL CONST[0..1]\n"
 102    "0: MUL TEMP[0], IN[0], CONST[0]\n"
 103    "1: ADD TEMP[0], TEMP[0], CONST[1]\n"
 104    "2: MOV OUT[0], TEMP[0]\n"
 105    "3: END\n";
 106
 107 static const char vs_clear_asm[] =
 108    "VERT\n"
 109    "DCL IN[0]\n"
 110    "DCL IN[1]\n"
 111    "DCL OUT[0], POSITION\n"
 112    "DCL OUT[1], COLOR\n"
 113    "DCL TEMP[0]\n"
 114    "DCL CONST[0..1]\n"
 115    "0: MUL TEMP[0], IN[0], CONST[0]\n"
 116    "1: ADD TEMP[0], TEMP[0], CONST[1]\n"
 117    "2: MOV OUT[0], TEMP[0]\n"
 118    "3: MOV OUT[1], IN[1]\n"
 119    "4: END\n";
 120
 121
 122 static const char vs_texture_asm[] =
 123    "VERT\n"
 124    "DCL IN[0]\n"
 125    "DCL IN[1]\n"
 126    "DCL OUT[0], POSITION\n"
 127    "DCL OUT[1], GENERIC\n"
 128    "DCL TEMP[0]\n"
 129    "DCL CONST[0..1]\n"
 130    "0: MUL TEMP[0], IN[0], CONST[0]\n"
 131    "1: ADD TEMP[0], TEMP[0], CONST[1]\n"
 132    "2: MOV OUT[0], TEMP[0]\n"
 133    "3: MOV OUT[1], IN[1]\n"
 134    "4: END\n";
 135
 136 #endif