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    int gen;
  47    boolean has_negative_rhw_bug;
  48    boolean needs_ff_sync;
  49    boolean is_g4x;
  50    int pci_id;
  51    struct brw_winsys_screen *sws;
  52    boolean no_tiling;
  53 };
  54
  55
  56
  57 union brw_surface_id {
  58    struct {
  59       unsigned level:16;
  60       unsigned layer:16;
  61    } bits;
  62    unsigned value;
  63 };
  64
  65
  66 struct brw_surface
  67 {
  68    struct pipe_surface base;
  69
  70    union brw_surface_id id;
  71    unsigned offset;
  72    unsigned cpp;
  73    unsigned pitch;
  74    unsigned draw_offset;
  75    unsigned tiling;
  76
  77    struct brw_surface_state ss;
  78    struct brw_winsys_buffer *bo;
  79    struct brw_surface *next, *prev;
  80 };
  81
  82
  83
  84 /*
  85  * Cast wrappers
  86  */
  87 static INLINE struct brw_screen *
  88 brw_screen(struct pipe_screen *pscreen)
  89 {
  90    return (struct brw_screen *) pscreen;
  91 }
  92
  93
  94 static INLINE struct brw_surface *
  95 brw_surface(struct pipe_surface *surface)
  96 {
  97    return (struct brw_surface *)surface;
  98 }
  99
 100 unsigned
 101 brw_surface_pitch( const struct pipe_surface *surface );
 102
 103
 104 #endif /* BRW_SCREEN_H */