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reactos/dll/opengl/mesa/main/formats.h
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS] 
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

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/*
* Mesa 3-D graphics library
* Version: 7.7
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (c) 2008-2009 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.
*/
/*
* Authors:
* Brian Paul
*/
#ifndef FORMATS_H
#define FORMATS_H
#include <GL/gl.h>
#ifdef __cplusplus
extern "C" {
#endif
/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
* for GL_LUMINANCE4_ALPHA4. */
#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
/**
* Max number of bytes for any non-compressed pixel format below, or for
* intermediate pixel storage in Mesa. This should never be less than
* 16. Maybe 32 someday?
*/
#define MAX_PIXEL_BYTES 16
/**
* Mesa texture/renderbuffer image formats.
*/
typedef enum
{
MESA_FORMAT_NONE = 0,
/**
* \name Basic hardware formats
*/
/*@{*/
/* msb <------ TEXEL BITS -----------> lsb */
/* ---- ---- ---- ---- ---- ---- ---- ---- */
MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
MESA_FORMAT_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB XXXX XXXX */
MESA_FORMAT_RGBX8888_REV, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
MESA_FORMAT_XRGB8888, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_XRGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
MESA_FORMAT_AL44, /* AAAA LLLL */
MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
MESA_FORMAT_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
MESA_FORMAT_AL1616_REV, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
MESA_FORMAT_RGB332, /* RRRG GGBB */
MESA_FORMAT_A8, /* AAAA AAAA */
MESA_FORMAT_A16, /* AAAA AAAA AAAA AAAA */
MESA_FORMAT_L8, /* LLLL LLLL */
MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
MESA_FORMAT_I8, /* IIII IIII */
MESA_FORMAT_I16, /* IIII IIII IIII IIII */
MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_X8_Z24, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_Z24_X8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_S8, /* SSSS SSSS */
/*@}*/
/**
* \name Floating point texture formats.
*/
/*@{*/
MESA_FORMAT_RGBA_FLOAT32,
MESA_FORMAT_RGBA_FLOAT16,
MESA_FORMAT_RGB_FLOAT32,
MESA_FORMAT_RGB_FLOAT16,
MESA_FORMAT_ALPHA_FLOAT32,
MESA_FORMAT_ALPHA_FLOAT16,
MESA_FORMAT_LUMINANCE_FLOAT32,
MESA_FORMAT_LUMINANCE_FLOAT16,
MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
MESA_FORMAT_INTENSITY_FLOAT32,
MESA_FORMAT_INTENSITY_FLOAT16,
/*@}*/
/**
* \name Non-normalized signed integer formats.
* XXX Note: these are just stand-ins for some better hardware
* formats TBD such as BGRA or ARGB.
*/
MESA_FORMAT_ALPHA_UINT8,
MESA_FORMAT_ALPHA_UINT16,
MESA_FORMAT_ALPHA_UINT32,
MESA_FORMAT_ALPHA_INT8,
MESA_FORMAT_ALPHA_INT16,
MESA_FORMAT_ALPHA_INT32,
MESA_FORMAT_INTENSITY_UINT8,
MESA_FORMAT_INTENSITY_UINT16,
MESA_FORMAT_INTENSITY_UINT32,
MESA_FORMAT_INTENSITY_INT8,
MESA_FORMAT_INTENSITY_INT16,
MESA_FORMAT_INTENSITY_INT32,
MESA_FORMAT_LUMINANCE_UINT8,
MESA_FORMAT_LUMINANCE_UINT16,
MESA_FORMAT_LUMINANCE_UINT32,
MESA_FORMAT_LUMINANCE_INT8,
MESA_FORMAT_LUMINANCE_INT16,
MESA_FORMAT_LUMINANCE_INT32,
MESA_FORMAT_LUMINANCE_ALPHA_UINT8,
MESA_FORMAT_LUMINANCE_ALPHA_UINT16,
MESA_FORMAT_LUMINANCE_ALPHA_UINT32,
MESA_FORMAT_LUMINANCE_ALPHA_INT8,
MESA_FORMAT_LUMINANCE_ALPHA_INT16,
MESA_FORMAT_LUMINANCE_ALPHA_INT32,
MESA_FORMAT_RGB_INT8,
MESA_FORMAT_RGBA_INT8,
MESA_FORMAT_RGB_INT16,
MESA_FORMAT_RGBA_INT16,
MESA_FORMAT_RGB_INT32,
MESA_FORMAT_RGBA_INT32,
/**
* \name Non-normalized unsigned integer formats.
*/
MESA_FORMAT_RGB_UINT8,
MESA_FORMAT_RGBA_UINT8,
MESA_FORMAT_RGB_UINT16,
MESA_FORMAT_RGBA_UINT16,
MESA_FORMAT_RGB_UINT32,
MESA_FORMAT_RGBA_UINT32,
/* msb <------ TEXEL BITS -----------> lsb */
/* ---- ---- ---- ---- ---- ---- ---- ---- */
/**
* \name Signed fixed point texture formats.
*/
/*@{*/
MESA_FORMAT_SIGNED_RGBA_16, /* ... */
MESA_FORMAT_RGBA_16, /* ... */
/*@}*/
MESA_FORMAT_COUNT
} gl_format;
extern const char *
_mesa_get_format_name(gl_format format);
extern GLint
_mesa_get_format_bytes(gl_format format);
extern GLint
_mesa_get_format_bits(gl_format format, GLenum pname);
extern GLuint
_mesa_get_format_max_bits(gl_format format);
extern GLenum
_mesa_get_format_datatype(gl_format format);
extern GLenum
_mesa_get_format_base_format(gl_format format);
extern void
_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
extern GLboolean
_mesa_is_format_integer_color(gl_format format);
extern GLuint
_mesa_format_image_size(gl_format format, GLsizei width,
GLsizei height, GLsizei depth);
extern uint64_t
_mesa_format_image_size64(gl_format format, GLsizei width,
GLsizei height, GLsizei depth);
extern GLint
_mesa_format_row_stride(gl_format format, GLsizei width);
extern void
_mesa_format_to_type_and_comps(gl_format format,
GLenum *datatype, GLuint *comps);
extern void
_mesa_test_formats(void);
extern GLuint
_mesa_format_num_components(gl_format format);
GLboolean
_mesa_format_matches_format_and_type(gl_format gl_format,
GLenum format, GLenum type);
#ifdef __cplusplus
}
#endif
#endif /* FORMATS_H */
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