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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * 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
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef I915_SCREEN_H
  29. #define I915_SCREEN_H
  30.  
  31. #include "pipe/p_state.h"
  32. #include "pipe/p_screen.h"
  33.  
  34.  
  35. struct i915_winsys;
  36.  
  37.  
  38. /**
  39.  * Subclass of pipe_screen
  40.  */
  41. struct i915_screen
  42. {
  43.    struct pipe_screen base;
  44.  
  45.    struct i915_winsys *iws;
  46.  
  47.    boolean is_i945;
  48.  
  49.    struct {
  50.       boolean tiling;
  51.       boolean lie;
  52.       boolean use_blitter;
  53.    } debug;
  54. };
  55.  
  56.  
  57. /*
  58.  * Cast wrappers
  59.  */
  60.  
  61.  
  62. static INLINE struct i915_screen *
  63. i915_screen(struct pipe_screen *pscreen)
  64. {
  65.    return (struct i915_screen *) pscreen;
  66. }
  67.  
  68. boolean
  69. i915_is_format_supported(struct pipe_screen *screen,
  70.                          enum pipe_format format,
  71.                          enum pipe_texture_target target,
  72.                          unsigned sample_count,
  73.                          unsigned tex_usage);
  74.  
  75. #endif /* I915_SCREEN_H */
  76.