src/gallium/drivers/r300/r300_texture.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@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 R300_TEXTURE_H
  24 #define R300_TEXTURE_H
  25
  26 #include "pipe/p_video_state.h"
  27 #include "util/u_format.h"
  28
  29 #include "r300_reg.h"
  30
  31 struct r300_texture;
  32
  33 void r300_init_screen_texture_functions(struct pipe_screen* screen);
  34
  35 unsigned r300_texture_get_stride(struct r300_screen* screen,
  36                                  struct r300_texture* tex, unsigned level);
  37
  38 unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
  39                                  unsigned zslice, unsigned face);
  40
  41 void r300_texture_reinterpret_format(struct pipe_screen *screen,
  42                                      struct pipe_texture *tex,
  43                                      enum pipe_format new_format);
  44
  45 boolean r300_is_colorbuffer_format_supported(enum pipe_format format);
  46
  47 boolean r300_is_zs_format_supported(enum pipe_format format);
  48
  49 boolean r300_is_sampler_format_supported(enum pipe_format format);
  50
  51 struct r300_video_surface
  52 {
  53     struct pipe_video_surface   base;
  54     struct pipe_texture         *tex;
  55 };
  56
  57 static INLINE struct r300_video_surface *
  58 r300_video_surface(struct pipe_video_surface *pvs)
  59 {
  60     return (struct r300_video_surface *)pvs;
  61 }
  62
  63 /* Used internally for texture_is_referenced()
  64  */
  65 boolean r300_get_texture_buffer(struct pipe_screen* screen,
  66                                 struct pipe_texture *texture,
  67                                 struct r300_winsys_buffer** buffer,
  68                                 unsigned* stride);
  69
  70 #endif /* R300_TEXTURE_H */