src/gallium/include/state_tracker/drm_api.h

   1
   2 #ifndef _DRM_API_H_
   3 #define _DRM_API_H_
   4
   5 #include "pipe/p_compiler.h"
   6
   7 struct pipe_screen;
   8 struct pipe_winsys;
   9 struct pipe_buffer;
  10 struct pipe_context;
  11 struct pipe_video_context;
  12 struct pipe_texture;
  13
  14 enum drm_create_screen_mode {
  15         DRM_CREATE_NORMAL = 0,
  16         DRM_CREATE_DRI1,
  17         DRM_CREATE_DRIVER = 1024,
  18         DRM_CREATE_MAX
  19 };
  20
  21 /**
  22  * Modes other than DRM_CREATE_NORMAL derive from this struct.
  23  */
  24 /*@{*/
  25 struct drm_create_screen_arg {
  26         enum drm_create_screen_mode mode;
  27 };
  28 /*@}*/
  29
  30 struct drm_api
  31 {
  32         /**
  33          * Special buffer functions
  34          */
  35         /*@{*/
  36         struct pipe_screen*  (*create_screen)(struct drm_api *api, int drm_fd,
  37                                               struct drm_create_screen_arg *arg);
  38         struct pipe_context* (*create_context)(struct drm_api *api,
  39                                                struct pipe_screen *screen);
  40         struct pipe_video_context* (*create_video_context)(struct drm_api *api,
  41                                                            struct pipe_screen *screen,
  42                                                            enum pipe_video_profile profile,
  43                                                            enum pipe_video_chroma_format chroma_format,
  44                                                            unsigned width, unsigned height);
  45         /*@}*/
  46
  47         /**
  48          * Special buffer functions
  49          */
  50         /*@{*/
  51         struct pipe_texture*
  52             (*texture_from_shared_handle)(struct drm_api *api,
  53                                           struct pipe_screen *screen,
  54                                           struct pipe_texture *templ,
  55                                           const char *name,
  56                                           unsigned stride,
  57                                           unsigned handle);
  58         boolean (*shared_handle_from_texture)(struct drm_api *api,
  59                                               struct pipe_screen *screen,
  60                                               struct pipe_texture *texture,
  61                                               unsigned *stride,
  62                                               unsigned *handle);
  63         boolean (*local_handle_from_texture)(struct drm_api *api,
  64                                              struct pipe_screen *screen,
  65                                              struct pipe_texture *texture,
  66                                              unsigned *stride,
  67                                              unsigned *handle);
  68         /*@}*/
  69
  70         void (*destroy)(struct drm_api *api);
  71 };
  72
  73 extern struct drm_api * drm_api_create(void);
  74
  75 #endif