| |
| /* |
| * Mesa 3-D graphics library |
| * |
| * 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 |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| /* |
| * Normal transform 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 __NORM_ARGS_H__ |
| #define __NORM_ARGS_H__ |
| |
| /* Offsets for normal_func arguments |
| * |
| * typedef void (*normal_func)( const GLmatrix *mat, |
| * GLfloat scale, |
| * const GLvector4f *in, |
| * const GLfloat lengths[], |
| * GLvector4f *dest ); |
| */ |
| #define OFFSET_MAT 4 |
| #define OFFSET_SCALE 8 |
| #define OFFSET_IN 12 |
| #define OFFSET_LENGTHS 16 |
| #define OFFSET_DEST 20 |
| |
| #define ARG_MAT REGOFF(FRAME_OFFSET+OFFSET_MAT, ESP) |
| #define ARG_SCALE REGOFF(FRAME_OFFSET+OFFSET_SCALE, ESP) |
| #define ARG_IN REGOFF(FRAME_OFFSET+OFFSET_IN, ESP) |
| #define ARG_LENGTHS REGOFF(FRAME_OFFSET+OFFSET_LENGTHS, ESP) |
| #define ARG_DEST REGOFF(FRAME_OFFSET+OFFSET_DEST, ESP) |
| |
| #endif |