src/gallium/drivers/i915/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 #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    uint pci_id;
  49 };
  50
  51 /**
  52  * Subclass of pipe_transfer
  53  */
  54 struct i915_transfer
  55 {
  56    struct pipe_transfer base;
  57
  58    unsigned offset;
  59 };
  60
  61
  62 /*
  63  * Cast wrappers
  64  */
  65
  66
  67 static INLINE struct i915_screen *
  68 i915_screen(struct pipe_screen *pscreen)
  69 {
  70    return (struct i915_screen *) pscreen;
  71 }
  72
  73 static INLINE struct i915_transfer *
  74 i915_transfer(struct pipe_transfer *transfer)
  75 {
  76    return (struct i915_transfer *)transfer;
  77 }
  78
  79
  80 #endif /* I915_SCREEN_H */