src/gallium/drivers/i915simple/i915_screen.h

   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
  29 #ifndef I915_SCREEN_H
  30 #define I915_SCREEN_H
  31
  32
  33 #include "pipe/p_state.h"
  34 #include "pipe/p_screen.h"
  35
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41
  42 /**
  43  * Subclass of pipe_screen
  44  */
  45 struct i915_screen
  46 {
  47    struct pipe_screen base;
  48
  49    boolean is_i945;
  50    uint pci_id;
  51 };
  52
  53
  54 /**
  55  * Subclass of pipe_transfer
  56  */
  57 struct i915_transfer
  58 {
  59    struct pipe_transfer base;
  60
  61    unsigned offset;
  62 };
  63
  64
  65 /** cast wrappers */
  66 static INLINE struct i915_screen *
  67 i915_screen(struct pipe_screen *pscreen)
  68 {
  69    return (struct i915_screen *) pscreen;
  70 }
  71
  72 static INLINE struct i915_transfer *
  73 i915_transfer( struct pipe_transfer *transfer )
  74 {
  75    return (struct i915_transfer *)transfer;
  76 }
  77
  78
  79 #ifdef __cplusplus
  80 }
  81 #endif
  82
  83 #endif /* I915_SCREEN_H */