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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