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/*
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 * Mesa 3-D graphics library
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 * Version:  7.1
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 *
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 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef TEXCOMPRESS_S3TC_H
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#define TEXCOMPRESS_S3TC_H
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#include "compiler.h"
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#include "glheader.h"
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#include "mfeatures.h"
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#include "texstore.h"
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struct gl_context;
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struct gl_texture_image;
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#if FEATURE_texture_s3tc
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extern GLboolean
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_mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);
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extern GLboolean
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_mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);
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extern GLboolean
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_mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);
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extern GLboolean
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_mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);
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extern void
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_mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage,
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                                GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage,
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                                 GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage,
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                                 GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage,
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                                 GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_srgb_dxt1(const struct gl_texture_image *texImage,
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                                 GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
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                                  GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
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                                  GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage,
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                                  GLint i, GLint j, GLint k, GLfloat *texel);
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extern void
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_mesa_init_texture_s3tc(struct gl_context *ctx);
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#else /* FEATURE_texture_s3tc */
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/* these are used only in texstore_funcs[] */
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#define _mesa_texstore_rgb_dxt1 NULL
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#define _mesa_texstore_rgba_dxt1 NULL
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#define _mesa_texstore_rgba_dxt3 NULL
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#define _mesa_texstore_rgba_dxt5 NULL
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/* these are used only in texfetch_funcs[] */
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#define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL
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#define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL
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#define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL
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#define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL
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#define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL
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#define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL
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#define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL
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#define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL
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static INLINE void
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_mesa_init_texture_s3tc(struct gl_context *ctx)
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{
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}
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#endif /* FEATURE_texture_s3tc */
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#endif /* TEXCOMPRESS_S3TC_H */