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/*
* 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_2d_f_rgb_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_rgba_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_rgba_dxt3(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_rgba_dxt5(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_srgb_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_srgba_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_srgba_dxt3(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
_mesa_fetch_texel_2d_f_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 */
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