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      1 /**************************************************************************
      2  *
      3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * Copyright (c) 2010 VMware, Inc.
      5  * All Rights Reserved.
      6  *
      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,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     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.
     22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     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 
     43 extern enum pipe_format
     44 st_mesa_format_to_pipe_format(gl_format mesaFormat);
     45 
     46 extern gl_format
     47 st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
     48 
     49 
     50 extern enum pipe_format
     51 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
     52                  GLenum format, GLenum type,
     53                  enum pipe_texture_target target, unsigned sample_count,
     54                  unsigned bindings);
     55 
     56 extern enum pipe_format
     57 st_choose_renderbuffer_format(struct pipe_screen *screen,
     58                               GLenum internalFormat, unsigned sample_count);
     59 
     60 
     61 gl_format
     62 st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
     63 				  GLenum format, GLenum type, GLboolean renderable);
     64 
     65 extern gl_format
     66 st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
     67                        GLint internalFormat,
     68                        GLenum format, GLenum type);
     69 
     70 
     71 /* can we use a sampler view to translate these formats
     72    only used to make TFP so far */
     73 extern GLboolean
     74 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
     75 
     76 
     77 extern void
     78 st_translate_color(union gl_color_union *colorIn,
     79                    union pipe_color_union *colorOut,
     80                    GLenum baseFormat, GLboolean is_integer);
     81 
     82 #endif /* ST_FORMAT_H */
     83