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    boolean no_tiling;
  49 };
  50
  51
  52
  53 union brw_surface_id {
  54    struct {
  55       unsigned face:3;
  56       unsigned zslice:13;
  57       unsigned level:16;
  58    } bits;
  59    unsigned value;
  60 };
  61
  62
  63 struct brw_surface
  64 {
  65    struct pipe_surface base;
  66
  67    union brw_surface_id id;
  68    unsigned cpp;
  69    unsigned pitch;
  70    unsigned draw_offset;
  71    unsigned tiling;
  72
  73    struct brw_surface_state ss;
  74    struct brw_winsys_buffer *bo;
  75    struct brw_surface *next, *prev;
  76 };
  77
  78
  79
  80 /*
  81  * Cast wrappers
  82  */
  83 static INLINE struct brw_screen *
  84 brw_screen(struct pipe_screen *pscreen)
  85 {
  86    return (struct brw_screen *) pscreen;
  87 }
  88
  89
  90 static INLINE struct brw_surface *
  91 brw_surface(struct pipe_surface *surface)
  92 {
  93    return (struct brw_surface *)surface;
  94 }
  95
  96 unsigned
  97 brw_surface_pitch( const struct pipe_surface *surface );
  98
  99 void brw_screen_tex_surface_init( struct brw_screen *brw_screen );
 100
 101
 102 #endif /* BRW_SCREEN_H */