| /* |
| * Mesa 3-D graphics library |
| * Version: 7.1 |
| * |
| * Copyright (C) 1999-2008 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. |
| */ |
| |
| #ifndef TEXCOMPRESS_S3TC_H |
| #define TEXCOMPRESS_S3TC_H |
| |
| #include "compiler.h" |
| #include "glheader.h" |
| #include "mfeatures.h" |
| #include "texstore.h" |
| |
| struct gl_context; |
| struct swrast_texture_image; |
| |
| #if FEATURE_texture_s3tc |
| |
| extern GLboolean |
| _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS); |
| |
| extern GLboolean |
| _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS); |
| |
| extern GLboolean |
| _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS); |
| |
| extern GLboolean |
| _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS); |
| |
| extern void |
| _mesa_fetch_texel_rgb_dxt1(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_rgba_dxt1(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_rgba_dxt3(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_rgba_dxt5(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel); |
| |
| extern void |
| _mesa_init_texture_s3tc(struct gl_context *ctx); |
| |
| #else /* FEATURE_texture_s3tc */ |
| |
| /* these are used only in texstore_funcs[] */ |
| #define _mesa_texstore_rgb_dxt1 NULL |
| #define _mesa_texstore_rgba_dxt1 NULL |
| #define _mesa_texstore_rgba_dxt3 NULL |
| #define _mesa_texstore_rgba_dxt5 NULL |
| |
| /* these are used only in texfetch_funcs[] */ |
| #define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL |
| #define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL |
| #define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL |
| #define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL |
| #define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL |
| #define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL |
| #define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL |
| #define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL |
| |
| static inline void |
| _mesa_init_texture_s3tc(struct gl_context *ctx) |
| { |
| } |
| |
| #endif /* FEATURE_texture_s3tc */ |
| |
| #endif /* TEXCOMPRESS_S3TC_H */ |