src/gallium/drivers/r300/r300_screen.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_SCREEN_H
  24 #define R300_SCREEN_H
  25
  26 #include "pipe/p_screen.h"
  27
  28 #include "r300_chipset.h"
  29
  30 struct r300_screen {
  31     /* Parent class */
  32     struct pipe_screen screen;
  33
  34     /* Chipset capabilities */
  35     struct r300_capabilities* caps;
  36 };
  37
  38 struct r300_transfer {
  39     /* Parent class */
  40     struct pipe_transfer transfer;
  41
  42     /* Offset from start of buffer. */
  43     unsigned offset;
  44 };
  45
  46 /* Convenience cast wrapper. */
  47 static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
  48     return (struct r300_screen*)screen;
  49 }
  50
  51 /* Convenience cast wrapper. */
  52 static INLINE struct r300_transfer*
  53 r300_transfer(struct pipe_transfer* transfer)
  54 {
  55     return (struct r300_transfer*)transfer;
  56 }
  57
  58 /* Creates a new r300 screen. */
  59 struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys);
  60
  61 #endif /* R300_SCREEN_H */