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/**************************************************************************
*
* Copyright 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef ASM_UTIL_H
#define ASM_UTIL_H
/* μnew = μmask */
static const char set_mask_asm[] =
"FRAG\n"
"DCL IN[0], GENERIC[0], PERSPECTIVE\n"
"DCL SAMP[0], CONSTANT\n"
"DCL OUT[0], COLOR, CONSTANT\n"
"0: TEX OUT[0], IN[0], SAMP[0], 2D\n"/*umask*/
"1: END\n";
/* μnew = 1 – (1 – μmask)*(1 – μprev) */
static const char union_mask_asm[] =
"FRAG\n"
"DCL IN[0], GENERIC[0], PERSPECTIVE\n"
"DCL IN[1], POSITION, LINEAR\n"
"DCL CONST[0], CONSTANT\n"
"DCL SAMP[0..1], CONSTANT\n"
"DCL TEMP[0..3], CONSTANT\n"
"DCL OUT[0], COLOR, CONSTANT\n"
"0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
"1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
"2: SUB TEMP[2], CONST[0], TEMP[0]\n"
"3: SUB TEMP[3], CONST[0], TEMP[1]\n"
"4: MUL TEMP[0].w, TEMP[2].wwww, TEMP[3].wwww\n"
"5: SUB OUT[0], CONST[0], TEMP[0]\n"
"6: END\n";
/* μnew = μmask *μprev */
static const char intersect_mask_asm[] =
"FRAG\n"
"DCL IN[0], GENERIC[0], PERSPECTIVE\n"
"DCL IN[1], POSITION, LINEAR\n"
"DCL CONST[0], CONSTANT\n"
"DCL SAMP[0..1], CONSTANT\n"
"DCL TEMP[0..1], CONSTANT\n"
"DCL OUT[0], COLOR, CONSTANT\n"
"0: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
"1: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
"2: MUL OUT[0], TEMP[0].wwww, TEMP[1].wwww\n"
"3: END\n";
/* μnew = μprev*(1 – μmask) */
static const char subtract_mask_asm[] =
"FRAG\n"
"DCL IN[0], GENERIC[0], PERSPECTIVE\n"
"DCL IN[1], POSITION, LINEAR\n"
"DCL CONST[0], CONSTANT\n"
"DCL SAMP[0..1], CONSTANT\n"
"DCL TEMP[0..2], CONSTANT\n"
"DCL OUT[0], COLOR, CONSTANT\n"
"0: TEX TEMP[1], IN[0], SAMP[0], 2D\n"/*umask*/
"1: TEX TEMP[0], IN[1], SAMP[1], 2D\n"/*uprev*/
"2: SUB TEMP[2], CONST[0], TEMP[1]\n"
"3: MUL OUT[0], TEMP[2].wwww, TEMP[0].wwww\n"
"4: END\n";
#endif
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