src/mesa/main/texcompress_rgtc.h

/*
 * Copyright (C) 2011 Red Hat Inc.
 *
 * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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_RGTC_H
#define TEXCOMPRESS_RGTC_H

#include "glheader.h"
#include "mfeatures.h"
#include "texstore.h"

struct swrast_texture_image;

extern GLboolean
_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);

extern void
_mesa_fetch_texel_red_rgtc1(const struct swrast_texture_image *texImage,
                            GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_signed_red_rgtc1(const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_rg_rgtc2(const struct swrast_texture_image *texImage,
                           GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_signed_rg_rgtc2(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_l_latc1(const struct swrast_texture_image *texImage,
                          GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_signed_l_latc1(const struct swrast_texture_image *texImage,
                                 GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_la_latc2(const struct swrast_texture_image *texImage,
                           GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_signed_la_latc2(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel);

#endif