src/gallium/drivers/r300/r300_texture_desc.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  * Copyright 2010 Marek Olšák <maraeo@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #ifndef R300_TEXTURE_DESC_H
  25 #define R300_TEXTURE_DESC_H
  26
  27 #include "r300_defines.h"
  28
  29 struct pipe_resource;
  30 struct r300_screen;
  31 struct r300_texture_desc;
  32 struct r300_texture;
  33
  34 enum r300_dim {
  35     DIM_WIDTH  = 0,
  36     DIM_HEIGHT = 1
  37 };
  38
  39 unsigned r300_get_pixel_alignment(enum pipe_format format,
  40                                   unsigned num_samples,
  41                                   enum r300_buffer_tiling microtile,
  42                                   enum r300_buffer_tiling macrotile,
  43                                   enum r300_dim dim);
  44
  45 boolean r300_texture_desc_init(struct r300_screen *rscreen,
  46                                struct r300_texture_desc *desc,
  47                                const struct pipe_resource *base,
  48                                enum r300_buffer_tiling microtile,
  49                                enum r300_buffer_tiling macrotile,
  50                                unsigned stride_in_bytes_override,
  51                                unsigned max_buffer_size);
  52
  53 unsigned r300_texture_get_offset(struct r300_texture_desc *desc,
  54                                  unsigned level, unsigned zslice,
  55                                  unsigned face);
  56
  57 #endif