diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/x86/clip_args.h')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/x86/clip_args.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/x86/clip_args.h b/nx-X11/extras/Mesa/src/mesa/x86/clip_args.h new file mode 100644 index 000000000..ff9aa377f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/x86/clip_args.h @@ -0,0 +1,60 @@ +/* $Id: clip_args.h,v 1.1.1.1 2004/06/16 09:19:35 anholt 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 |