src/gallium/winsys/drm/radeon/core/radeon_drm.h

   1 /*
   2  * Copyright © 2009 Corbin Simpson
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  15  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  17  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  */
  26 /*
  27  * Authors:
  28  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  29  */
  30 #ifndef RADEON_DRM_H
  31 #define RADEON_DRM_H
  32
  33 #include <sys/ioctl.h>
  34
  35 #include "xf86drm.h"
  36
  37 #include "pipe/p_screen.h"
  38
  39 #include "trace/tr_drm.h"
  40 #include "util/u_debug.h"
  41 #include "util/u_memory.h"
  42
  43 #include "state_tracker/drm_api.h"
  44
  45 #include "radeon_buffer.h"
  46 #include "radeon_r300.h"
  47
  48 /* XXX */
  49 #include "r300_screen.h"
  50
  51 struct pipe_screen* radeon_create_screen(struct drm_api* api,
  52                                          int drmFB,
  53                                          struct drm_create_screen_arg *arg);
  54
  55 struct pipe_context* radeon_create_context(struct drm_api* api,
  56                                            struct pipe_screen* screen);
  57
  58 boolean radeon_buffer_from_texture(struct drm_api* api,
  59                                    struct pipe_screen* screen,
  60                                    struct pipe_texture* texture,
  61                                    struct pipe_buffer** buffer,
  62                                    unsigned* stride);
  63
  64 struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api,
  65                                               struct pipe_screen* screen,
  66                                               const char* name,
  67                                               unsigned handle);
  68
  69 boolean radeon_handle_from_buffer(struct drm_api* api,
  70                                   struct pipe_screen* screen,
  71                                   struct pipe_buffer* buffer,
  72                                   unsigned* handle);
  73
  74 boolean radeon_global_handle_from_buffer(struct drm_api* api,
  75                                          struct pipe_screen* screen,
  76                                          struct pipe_buffer* buffer,
  77                                          unsigned* handle);
  78
  79 void radeon_destroy_drm_api(struct drm_api* api);
  80
  81 /* Guess at whether this chipset should use r300g.
  82  *
  83  * I believe that this check is valid, but I haven't been exhaustive. */
  84 static INLINE boolean is_r3xx(int pciid)
  85 {
  86     return (pciid > 0x3150) && (pciid < 0x796f);
  87 }
  88
  89 #endif