| /* $Id: clip_args.h,v 1.1.1.1 2012/03/29 17:22:10 uid42307 Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.5 |
| * |
| * Copyright (C) 1999-2001 Brian Paul 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, sublicense, |
| * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL 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. |
| */ |
| |
| /* |
| * Clip test function interface for assembly code. Simply define |
| * FRAME_OFFSET to the number of bytes pushed onto the stack before |
| * using the ARG_* argument macros. |
| * |
| * Gareth Hughes |
| */ |
| |
| #ifndef __CLIP_ARGS_H__ |
| #define __CLIP_ARGS_H__ |
| |
| /* |
| * Offsets for clip_func arguments |
| * |
| * typedef GLvector4f *(*clip_func)( GLvector4f *clip_vec, |
| * GLvector4f *proj_vec, |
| * GLubyte clipMask[], |
| * GLubyte *orMask, |
| * GLubyte *andMask ); |
| */ |
| |
| #define OFFSET_SOURCE 4 |
| #define OFFSET_DEST 8 |
| #define OFFSET_CLIP 12 |
| #define OFFSET_OR 16 |
| #define OFFSET_AND 20 |
| |
| #define ARG_SOURCE REGOFF(FRAME_OFFSET+OFFSET_SOURCE, ESP) |
| #define ARG_DEST REGOFF(FRAME_OFFSET+OFFSET_DEST, ESP) |
| #define ARG_CLIP REGOFF(FRAME_OFFSET+OFFSET_CLIP, ESP) |
| #define ARG_OR REGOFF(FRAME_OFFSET+OFFSET_OR, ESP) |
| #define ARG_AND REGOFF(FRAME_OFFSET+OFFSET_AND, ESP) |
| |
| #endif |
