Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /**************************************************************************
  2.  *
  3.  * Copyright 2009 VMware, Inc.  All Rights Reserved.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining a
  6.  * 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, sub license, 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 portions
  15.  * of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  **************************************************************************/
  26.  
  27. #ifndef ASM_UTIL_H
  28. #define ASM_UTIL_H
  29.  
  30. /* μnew = μmask */
  31. static const char set_mask_asm[] =
  32.    "FRAG\n"
  33.    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  34.    "DCL SAMP[0], CONSTANT\n"
  35.    "DCL OUT[0], COLOR, CONSTANT\n"
  36.    "0: TEX OUT[0], IN[0], SAMP[0], 2D\n"/*umask*/
  37.    "1: END\n";
  38.  
  39. /* μnew = 1 – (1 – μmask)*(1 – μprev) */
  40. static const char union_mask_asm[] =
  41.    "FRAG\n"
  42.    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  43.    "DCL IN[1], POSITION, LINEAR\n"
  44.    "DCL CONST[0], CONSTANT\n"
  45.    "DCL SAMP[0..1], CONSTANT\n"
  46.    "DCL TEMP[0..3], CONSTANT\n"
  47.    "DCL OUT[0], COLOR, CONSTANT\n"
  48.    "0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  49.    "1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  50.    "2: SUB TEMP[2], CONST[0], TEMP[0]\n"
  51.    "3: SUB TEMP[3], CONST[0], TEMP[1]\n"
  52.    "4: MUL TEMP[0].w, TEMP[2].wwww, TEMP[3].wwww\n"
  53.    "5: SUB OUT[0], CONST[0], TEMP[0]\n"
  54.    "6: END\n";
  55.  
  56. /* μnew = μmask *μprev */
  57. static const char intersect_mask_asm[] =
  58.    "FRAG\n"
  59.    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  60.    "DCL IN[1], POSITION, LINEAR\n"
  61.    "DCL CONST[0], CONSTANT\n"
  62.    "DCL SAMP[0..1], CONSTANT\n"
  63.    "DCL TEMP[0..1], CONSTANT\n"
  64.    "DCL OUT[0], COLOR, CONSTANT\n"
  65.    "0: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  66.    "1: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  67.    "2: MUL OUT[0], TEMP[0].wwww, TEMP[1].wwww\n"
  68.    "3: END\n";
  69.  
  70. /* μnew = μprev*(1 – μmask) */
  71. static const char subtract_mask_asm[] =
  72.    "FRAG\n"
  73.    "DCL IN[0], GENERIC[0], PERSPECTIVE\n"
  74.    "DCL IN[1], POSITION, LINEAR\n"
  75.    "DCL CONST[0], CONSTANT\n"
  76.    "DCL SAMP[0..1], CONSTANT\n"
  77.    "DCL TEMP[0..2], CONSTANT\n"
  78.    "DCL OUT[0], COLOR, CONSTANT\n"
  79.    "0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
  80.    "1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
  81.    "2: SUB TEMP[2], CONST[0], TEMP[1]\n"
  82.    "3: MUL OUT[0], TEMP[2].wwww, TEMP[0].wwww\n"
  83.    "4: END\n";
  84.  
  85. #endif
  86.