src/mesa/state_tracker/st_format.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * Copyright (c) 2010 VMware, Inc.
   5  * All Rights Reserved.
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   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
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  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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  27  **************************************************************************/
  28
  29
  30 #ifndef ST_FORMAT_H
  31 #define ST_FORMAT_H
  32
  33 #include "main/formats.h"
  34 #include "main/glheader.h"
  35
  36 #include "pipe/p_defines.h"
  37 #include "pipe/p_format.h"
  38
  39 struct gl_context;
  40 struct pipe_screen;
  41
  42 extern GLenum
  43 st_format_datatype(enum pipe_format format);
  44
  45
  46 extern enum pipe_format
  47 st_mesa_format_to_pipe_format(gl_format mesaFormat);
  48
  49 extern gl_format
  50 st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
  51
  52
  53 extern enum pipe_format
  54 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
  55                  GLenum format, GLenum type,
  56                  enum pipe_texture_target target, unsigned sample_count,
  57                  unsigned bindings);
  58
  59 extern enum pipe_format
  60 st_choose_renderbuffer_format(struct pipe_screen *screen,
  61                               GLenum internalFormat, unsigned sample_count);
  62
  63
  64 gl_format
  65 st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
  66                                   GLenum format, GLenum type, GLboolean renderable);
  67
  68 extern gl_format
  69 st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat,
  70                        GLenum format, GLenum type);
  71
  72
  73 extern GLboolean
  74 st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
  75
  76 /* can we use a sampler view to translate these formats
  77    only used to make TFP so far */
  78 extern GLboolean
  79 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
  80
  81
  82 extern void
  83 st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
  84                    GLfloat colorOut[4]);
  85
  86
  87 #endif /* ST_FORMAT_H */