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/*
* Mesa 3-D graphics library
* Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
* Copyright (c) 2008 VMware, 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 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.
*/
/**
* \file texformat.h
* Texture formats definitions.
*
* \author Gareth Hughes
*/
#ifndef TEXFORMAT_H
#define TEXFORMAT_H
#include "mtypes.h"
#include "formats.h"
/** GLchan-valued formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba;
extern const struct gl_texture_format _mesa_texformat_rgb;
extern const struct gl_texture_format _mesa_texformat_alpha;
extern const struct gl_texture_format _mesa_texformat_luminance;
extern const struct gl_texture_format _mesa_texformat_luminance_alpha;
extern const struct gl_texture_format _mesa_texformat_intensity;
/*@}*/
#if FEATURE_EXT_texture_sRGB
/** sRGB (nonlinear) formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_srgb8;
extern const struct gl_texture_format _mesa_texformat_srgba8;
extern const struct gl_texture_format _mesa_texformat_sargb8;
extern const struct gl_texture_format _mesa_texformat_sl8;
extern const struct gl_texture_format _mesa_texformat_sla8;
#if FEATURE_texture_s3tc
extern const struct gl_texture_format _mesa_texformat_srgb_dxt1;
extern const struct gl_texture_format _mesa_texformat_srgba_dxt1;
extern const struct gl_texture_format _mesa_texformat_srgba_dxt3;
extern const struct gl_texture_format _mesa_texformat_srgba_dxt5;
#endif
/*@}*/
#endif
/** Floating point texture formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba_float32;
extern const struct gl_texture_format _mesa_texformat_rgba_float16;
extern const struct gl_texture_format _mesa_texformat_rgb_float32;
extern const struct gl_texture_format _mesa_texformat_rgb_float16;
extern const struct gl_texture_format _mesa_texformat_alpha_float32;
extern const struct gl_texture_format _mesa_texformat_alpha_float16;
extern const struct gl_texture_format _mesa_texformat_luminance_float32;
extern const struct gl_texture_format _mesa_texformat_luminance_float16;
extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float32;
extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float16;
extern const struct gl_texture_format _mesa_texformat_intensity_float32;
extern const struct gl_texture_format _mesa_texformat_intensity_float16;
/*@}*/
/** Signed fixed point texture formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_dudv8;
extern const struct gl_texture_format _mesa_texformat_signed_rgba8888;
extern const struct gl_texture_format _mesa_texformat_signed_rgba8888_rev;
/*@}*/
/** \name Assorted hardware-friendly formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba8888;
extern const struct gl_texture_format _mesa_texformat_rgba8888_rev;
extern const struct gl_texture_format _mesa_texformat_argb8888;
extern const struct gl_texture_format _mesa_texformat_argb8888_rev;
extern const struct gl_texture_format _mesa_texformat_rgb888;
extern const struct gl_texture_format _mesa_texformat_bgr888;
extern const struct gl_texture_format _mesa_texformat_rgb565;
extern const struct gl_texture_format _mesa_texformat_rgb565_rev;
extern const struct gl_texture_format _mesa_texformat_rgba4444;
extern const struct gl_texture_format _mesa_texformat_argb4444;
extern const struct gl_texture_format _mesa_texformat_argb4444_rev;
extern const struct gl_texture_format _mesa_texformat_argb1555;
extern const struct gl_texture_format _mesa_texformat_argb1555_rev;
extern const struct gl_texture_format _mesa_texformat_rgba5551;
extern const struct gl_texture_format _mesa_texformat_al88;
extern const struct gl_texture_format _mesa_texformat_al88_rev;
extern const struct gl_texture_format _mesa_texformat_rgb332;
extern const struct gl_texture_format _mesa_texformat_a8;
extern const struct gl_texture_format _mesa_texformat_l8;
extern const struct gl_texture_format _mesa_texformat_i8;
extern const struct gl_texture_format _mesa_texformat_ci8;
extern const struct gl_texture_format _mesa_texformat_z24_s8;
extern const struct gl_texture_format _mesa_texformat_s8_z24;
extern const struct gl_texture_format _mesa_texformat_z16;
extern const struct gl_texture_format _mesa_texformat_z32;
/*@}*/
/** \name YCbCr formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_ycbcr;
extern const struct gl_texture_format _mesa_texformat_ycbcr_rev;
/*@}*/
/** \name Compressed formats */
/*@{*/
#if FEATURE_texture_fxt1
extern const struct gl_texture_format _mesa_texformat_rgb_fxt1;
extern const struct gl_texture_format _mesa_texformat_rgba_fxt1;
#endif
#if FEATURE_texture_s3tc
extern const struct gl_texture_format _mesa_texformat_rgb_dxt1;
extern const struct gl_texture_format _mesa_texformat_rgba_dxt1;
extern const struct gl_texture_format _mesa_texformat_rgba_dxt3;
extern const struct gl_texture_format _mesa_texformat_rgba_dxt5;
#endif
/*@}*/
/** \name The null format */
/*@{*/
extern const struct gl_texture_format _mesa_null_texformat;
/*@}*/
extern const struct gl_texture_format *
_mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
GLenum format, GLenum type );
extern void
_mesa_format_to_type_and_comps(const struct gl_texture_format *format,
GLenum *datatype, GLuint *comps);
#endif
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