src/gallium/drivers/r600/r600_resource.h

   1 /*
   2  * Copyright 2010 Marek Olšák <maraeo@gmail.com
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef R600_RESOURCE_H
  24 #define R600_RESOURCE_H
  25
  26 #include "../../winsys/radeon/drm/radeon_winsys.h"
  27 #include "../radeon/r600_pipe_common.h"
  28
  29 struct r600_screen;
  30 struct compute_memory_item;
  31
  32 struct r600_resource_global {
  33         struct r600_resource base;
  34         struct compute_memory_item *chunk;
  35 };
  36
  37 /* Return if the depth format can be read without the DB->CB copy on r6xx-r7xx. */
  38 static INLINE bool r600_can_read_depth(struct r600_texture *rtex)
  39 {
  40         return rtex->resource.b.b.nr_samples <= 1 &&
  41                (rtex->resource.b.b.format == PIPE_FORMAT_Z16_UNORM ||
  42                 rtex->resource.b.b.format == PIPE_FORMAT_Z32_FLOAT);
  43 }
  44
  45 #endif