| /* |
| * Copyright 2009 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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 R300_SHADER_SEMANTICS_H |
| #define R300_SHADER_SEMANTICS_H |
| |
| #define ATTR_UNUSED (-1) |
| #define ATTR_COLOR_COUNT 2 |
| #define ATTR_GENERIC_COUNT 32 |
| |
| /* This structure contains information about what attributes are written by VS |
| * or read by FS. (but not both) It's much easier to work with than |
| * tgsi_shader_info. |
| * |
| * The variables contain indices to tgsi_shader_info semantics and those |
| * indices are nothing else than input/output register numbers. */ |
| struct r300_shader_semantics { |
| int pos; |
| int psize; |
| int color[ATTR_COLOR_COUNT]; |
| int bcolor[ATTR_COLOR_COUNT]; |
| int face; |
| int generic[ATTR_GENERIC_COUNT]; |
| int fog; |
| int wpos; |
| }; |
| |
| static INLINE void r300_shader_semantics_reset( |
| struct r300_shader_semantics* info) |
| { |
| int i; |
| |
| info->pos = ATTR_UNUSED; |
| info->psize = ATTR_UNUSED; |
| info->face = ATTR_UNUSED; |
| info->fog = ATTR_UNUSED; |
| info->wpos = ATTR_UNUSED; |
| |
| for (i = 0; i < ATTR_COLOR_COUNT; i++) { |
| info->color[i] = ATTR_UNUSED; |
| info->bcolor[i] = ATTR_UNUSED; |
| } |
| |
| for (i = 0; i < ATTR_GENERIC_COUNT; i++) { |
| info->generic[i] = ATTR_UNUSED; |
| } |
| } |
| |
| #endif |