1 /* 2 * Mesa 3-D graphics library 3 * Version: 7.1 4 * 5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef TEXCOMPRESS_S3TC_H 26 #define TEXCOMPRESS_S3TC_H 27 28 #include "compiler.h" 29 #include "glheader.h" 30 #include "mfeatures.h" 31 #include "texstore.h" 32 33 struct gl_context; 34 struct swrast_texture_image; 35 36 #if FEATURE_texture_s3tc 37 38 extern GLboolean 39 _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS); 40 41 extern GLboolean 42 _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS); 43 44 extern GLboolean 45 _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS); 46 47 extern GLboolean 48 _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS); 49 50 extern void 51 _mesa_fetch_texel_rgb_dxt1(const struct swrast_texture_image *texImage, 52 GLint i, GLint j, GLint k, GLfloat *texel); 53 54 extern void 55 _mesa_fetch_texel_rgba_dxt1(const struct swrast_texture_image *texImage, 56 GLint i, GLint j, GLint k, GLfloat *texel); 57 58 extern void 59 _mesa_fetch_texel_rgba_dxt3(const struct swrast_texture_image *texImage, 60 GLint i, GLint j, GLint k, GLfloat *texel); 61 62 extern void 63 _mesa_fetch_texel_rgba_dxt5(const struct swrast_texture_image *texImage, 64 GLint i, GLint j, GLint k, GLfloat *texel); 65 66 extern void 67 _mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage, 68 GLint i, GLint j, GLint k, GLfloat *texel); 69 70 extern void 71 _mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage, 72 GLint i, GLint j, GLint k, GLfloat *texel); 73 74 extern void 75 _mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage, 76 GLint i, GLint j, GLint k, GLfloat *texel); 77 78 extern void 79 _mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage, 80 GLint i, GLint j, GLint k, GLfloat *texel); 81 82 extern void 83 _mesa_init_texture_s3tc(struct gl_context *ctx); 84 85 #else /* FEATURE_texture_s3tc */ 86 87 /* these are used only in texstore_funcs[] */ 88 #define _mesa_texstore_rgb_dxt1 NULL 89 #define _mesa_texstore_rgba_dxt1 NULL 90 #define _mesa_texstore_rgba_dxt3 NULL 91 #define _mesa_texstore_rgba_dxt5 NULL 92 93 /* these are used only in texfetch_funcs[] */ 94 #define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL 95 #define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL 96 #define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL 97 #define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL 98 #define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL 99 #define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL 100 #define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL 101 #define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL 102 103 static inline void 104 _mesa_init_texture_s3tc(struct gl_context *ctx) 105 { 106 } 107 108 #endif /* FEATURE_texture_s3tc */ 109 110 #endif /* TEXCOMPRESS_S3TC_H */ 111
