src/gallium/drivers/i965/brw_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 BRW_SCREEN_H
  29 #define BRW_SCREEN_H
  30
  31 #include "pipe/p_state.h"
  32 #include "pipe/p_screen.h"
  33
  34 #include "brw_reg.h"
  35 #include "brw_structs.h"
  36
  37 struct brw_winsys_screen;
  38
  39
  40 /**
  41  * Subclass of pipe_screen
  42  */
  43 struct brw_screen
  44 {
  45    struct pipe_screen base;
  46    struct brw_chipset chipset;
  47    struct brw_winsys_screen *sws;
  48 };
  49
  50 /**
  51  * Subclass of pipe_transfer
  52  */
  53 struct brw_transfer
  54 {
  55    struct pipe_transfer base;
  56
  57    unsigned offset;
  58 };
  59
  60 struct brw_buffer
  61 {
  62    struct pipe_buffer base;
  63    struct brw_winsys_buffer *bo;
  64    void *ptr;
  65    boolean is_user_buffer;
  66 };
  67
  68 struct brw_texture
  69 {
  70    struct pipe_texture base;
  71
  72    struct brw_winsys_buffer *bo;
  73    struct brw_surface_state ss;
  74
  75    unsigned brw_target;
  76    unsigned pitch;
  77    unsigned tiling;
  78    unsigned cpp;
  79 };
  80
  81
  82 struct brw_surface
  83 {
  84    struct pipe_surface base;
  85    struct brw_surface_state ss;
  86    struct brw_winsys_buffer *bo;
  87 };
  88
  89 /*
  90  * Cast wrappers
  91  */
  92 static INLINE struct brw_screen *
  93 brw_screen(struct pipe_screen *pscreen)
  94 {
  95    return (struct brw_screen *) pscreen;
  96 }
  97
  98 static INLINE struct brw_transfer *
  99 brw_transfer(struct pipe_transfer *transfer)
 100 {
 101    return (struct brw_transfer *)transfer;
 102 }
 103
 104 static INLINE struct brw_surface *
 105 brw_surface(struct pipe_surface *surface)
 106 {
 107    return (struct brw_surface *)surface;
 108 }
 109
 110 static INLINE struct brw_buffer *
 111 brw_buffer(struct pipe_buffer *buffer)
 112 {
 113    return (struct brw_buffer *)buffer;
 114 }
 115
 116
 117 /* Pipe buffer helpers
 118  */
 119 static INLINE boolean
 120 brw_buffer_is_user_buffer( const struct pipe_buffer *buf )
 121 {
 122    return ((const struct brw_buffer *)buf)->is_user_buffer;
 123 }
 124
 125 struct brw_winsys_buffer *
 126 brw_surface_bo( struct pipe_surface *surface );
 127
 128 unsigned
 129 brw_surface_pitch( const struct pipe_surface *surface );
 130
 131
 132 #endif /* BRW_SCREEN_H */