| /************************************************************************** |
| * |
| * 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 |
