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 "util/u_transfer.h"
  27
  28 struct r600_context;
  29 struct r600_screen;
  30
  31 /* This gets further specialized into either buffer or texture
  32  * structures. Use the vtbl struct to choose between the two
  33  * underlying implementations.
  34  */
  35 struct r600_resource {
  36         struct u_resource               base;
  37         struct radeon_bo                *bo;
  38         u32                             domain;
  39         u32                             flink;
  40         struct pb_buffer                *pb;
  41 };
  42
  43 struct r600_resource_texture {
  44         struct r600_resource            resource;
  45         unsigned long                   offset[PIPE_MAX_TEXTURE_LEVELS];
  46         unsigned long                   pitch[PIPE_MAX_TEXTURE_LEVELS];
  47         unsigned long                   stride[PIPE_MAX_TEXTURE_LEVELS];
  48         unsigned long                   layer_size[PIPE_MAX_TEXTURE_LEVELS];
  49         unsigned long                   stride_override;
  50         unsigned long                   size;
  51 };
  52
  53 void r600_init_context_resource_functions(struct r600_context *r600);
  54 void r600_init_screen_resource_functions(struct r600_screen *r600screen);
  55
  56 /* r600_buffer */
  57 u32 r600_domain_from_usage(unsigned usage);
  58
  59 /* r600_texture */
  60 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  61                                         const struct pipe_resource *templ);
  62 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  63                                                 const struct pipe_resource *base,
  64                                                 struct winsys_handle *whandle);
  65
  66 #endif