src/mesa/main/texformat.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.1
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   6  * Copyright (c) 2008 VMware, Inc.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 /**
  28  * \file texformat.h
  29  * Texture formats definitions.
  30  *
  31  * \author Gareth Hughes
  32  */
  33
  34
  35 #ifndef TEXFORMAT_H
  36 #define TEXFORMAT_H
  37
  38
  39 #include "mtypes.h"
  40 #include "formats.h"
  41
  42 #if 0
  43 /** GLchan-valued formats */
  44 /*@{*/
  45 extern const struct gl_texture_format _mesa_texformat_rgba;
  46 extern const struct gl_texture_format _mesa_texformat_rgb;
  47 extern const struct gl_texture_format _mesa_texformat_alpha;
  48 extern const struct gl_texture_format _mesa_texformat_luminance;
  49 extern const struct gl_texture_format _mesa_texformat_luminance_alpha;
  50 extern const struct gl_texture_format _mesa_texformat_intensity;
  51 /*@}*/
  52
  53 #if FEATURE_EXT_texture_sRGB
  54 /** sRGB (nonlinear) formats */
  55 /*@{*/
  56 extern const struct gl_texture_format _mesa_texformat_srgb8;
  57 extern const struct gl_texture_format _mesa_texformat_srgba8;
  58 extern const struct gl_texture_format _mesa_texformat_sargb8;
  59 extern const struct gl_texture_format _mesa_texformat_sl8;
  60 extern const struct gl_texture_format _mesa_texformat_sla8;
  61 #if FEATURE_texture_s3tc
  62 extern const struct gl_texture_format _mesa_texformat_srgb_dxt1;
  63 extern const struct gl_texture_format _mesa_texformat_srgba_dxt1;
  64 extern const struct gl_texture_format _mesa_texformat_srgba_dxt3;
  65 extern const struct gl_texture_format _mesa_texformat_srgba_dxt5;
  66 #endif
  67 /*@}*/
  68 #endif
  69
  70 /** Floating point texture formats */
  71 /*@{*/
  72 extern const struct gl_texture_format _mesa_texformat_rgba_float32;
  73 extern const struct gl_texture_format _mesa_texformat_rgba_float16;
  74 extern const struct gl_texture_format _mesa_texformat_rgb_float32;
  75 extern const struct gl_texture_format _mesa_texformat_rgb_float16;
  76 extern const struct gl_texture_format _mesa_texformat_alpha_float32;
  77 extern const struct gl_texture_format _mesa_texformat_alpha_float16;
  78 extern const struct gl_texture_format _mesa_texformat_luminance_float32;
  79 extern const struct gl_texture_format _mesa_texformat_luminance_float16;
  80 extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float32;
  81 extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float16;
  82 extern const struct gl_texture_format _mesa_texformat_intensity_float32;
  83 extern const struct gl_texture_format _mesa_texformat_intensity_float16;
  84 /*@}*/
  85
  86 /** Signed fixed point texture formats */
  87 /*@{*/
  88 extern const struct gl_texture_format _mesa_texformat_dudv8;
  89 extern const struct gl_texture_format _mesa_texformat_signed_rgba8888;
  90 extern const struct gl_texture_format _mesa_texformat_signed_rgba8888_rev;
  91 /*@}*/
  92
  93 /** \name Assorted hardware-friendly formats */
  94 /*@{*/
  95 extern const struct gl_texture_format _mesa_texformat_rgba8888;
  96 extern const struct gl_texture_format _mesa_texformat_rgba8888_rev;
  97 extern const struct gl_texture_format _mesa_texformat_argb8888;
  98 extern const struct gl_texture_format _mesa_texformat_argb8888_rev;
  99 extern const struct gl_texture_format _mesa_texformat_rgb888;
 100 extern const struct gl_texture_format _mesa_texformat_bgr888;
 101 extern const struct gl_texture_format _mesa_texformat_rgb565;
 102 extern const struct gl_texture_format _mesa_texformat_rgb565_rev;
 103 extern const struct gl_texture_format _mesa_texformat_rgba4444;
 104 extern const struct gl_texture_format _mesa_texformat_argb4444;
 105 extern const struct gl_texture_format _mesa_texformat_argb4444_rev;
 106 extern const struct gl_texture_format _mesa_texformat_argb1555;
 107 extern const struct gl_texture_format _mesa_texformat_argb1555_rev;
 108 extern const struct gl_texture_format _mesa_texformat_rgba5551;
 109 extern const struct gl_texture_format _mesa_texformat_al88;
 110 extern const struct gl_texture_format _mesa_texformat_al88_rev;
 111 extern const struct gl_texture_format _mesa_texformat_rgb332;
 112 extern const struct gl_texture_format _mesa_texformat_a8;
 113 extern const struct gl_texture_format _mesa_texformat_l8;
 114 extern const struct gl_texture_format _mesa_texformat_i8;
 115 extern const struct gl_texture_format _mesa_texformat_ci8;
 116 extern const struct gl_texture_format _mesa_texformat_z24_s8;
 117 extern const struct gl_texture_format _mesa_texformat_s8_z24;
 118 extern const struct gl_texture_format _mesa_texformat_z16;
 119 extern const struct gl_texture_format _mesa_texformat_z32;
 120 /*@}*/
 121
 122 /** \name YCbCr formats */
 123 /*@{*/
 124 extern const struct gl_texture_format _mesa_texformat_ycbcr;
 125 extern const struct gl_texture_format _mesa_texformat_ycbcr_rev;
 126 /*@}*/
 127
 128 /** \name Compressed formats */
 129 /*@{*/
 130 #if FEATURE_texture_fxt1
 131 extern const struct gl_texture_format _mesa_texformat_rgb_fxt1;
 132 extern const struct gl_texture_format _mesa_texformat_rgba_fxt1;
 133 #endif
 134 #if FEATURE_texture_s3tc
 135 extern const struct gl_texture_format _mesa_texformat_rgb_dxt1;
 136 extern const struct gl_texture_format _mesa_texformat_rgba_dxt1;
 137 extern const struct gl_texture_format _mesa_texformat_rgba_dxt3;
 138 extern const struct gl_texture_format _mesa_texformat_rgba_dxt5;
 139 #endif
 140 /*@}*/
 141
 142 /** \name The null format */
 143 /*@{*/
 144 extern const struct gl_texture_format _mesa_null_texformat;
 145 /*@}*/
 146 #endif
 147
 148 extern gl_format
 149 _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
 150                          GLenum format, GLenum type );
 151
 152
 153 extern void
 154 _mesa_format_to_type_and_comps(gl_format format,
 155                                GLenum *datatype, GLuint *comps);
 156
 157 extern FetchTexelFuncF
 158 _mesa_get_texel_fetch_func(GLuint format, GLuint dims);
 159
 160 extern StoreTexelFunc
 161 _mesa_get_texel_store_func(GLuint format);
 162
 163
 164 #endif