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_texture;
  12
  13 enum drm_create_screen_mode {
  14         DRM_CREATE_NORMAL = 0,
  15         DRM_CREATE_DRI1,
  16         DRM_CREATE_DRIVER = 1024,
  17         DRM_CREATE_MAX
  18 };
  19
  20 /**
  21  * Modes other than DRM_CREATE_NORMAL derive from this struct.
  22  */
  23 /*@{*/
  24 struct drm_create_screen_arg {
  25         enum drm_create_screen_mode mode;
  26 };
  27 /*@}*/
  28
  29 struct drm_api
  30 {
  31         const char *name;
  32
  33         /**
  34          * Special buffer functions
  35          */
  36         /*@{*/
  37         struct pipe_screen*  (*create_screen)(struct drm_api *api, int drm_fd,
  38                                               struct drm_create_screen_arg *arg);
  39         struct pipe_context* (*create_context)(struct drm_api *api,
  40                                                struct pipe_screen *screen);
  41         /*@}*/
  42
  43         /**
  44          * Special buffer functions
  45          */
  46         /*@{*/
  47         struct pipe_texture*
  48             (*texture_from_shared_handle)(struct drm_api *api,
  49                                           struct pipe_screen *screen,
  50                                           struct pipe_texture *templ,
  51                                           const char *name,
  52                                           unsigned stride,
  53                                           unsigned handle);
  54         boolean (*shared_handle_from_texture)(struct drm_api *api,
  55                                               struct pipe_screen *screen,
  56                                               struct pipe_texture *texture,
  57                                               unsigned *stride,
  58                                               unsigned *handle);
  59         boolean (*local_handle_from_texture)(struct drm_api *api,
  60                                              struct pipe_screen *screen,
  61                                              struct pipe_texture *texture,
  62                                              unsigned *stride,
  63                                              unsigned *handle);
  64         /*@}*/
  65
  66         void (*destroy)(struct drm_api *api);
  67 };
  68
  69 extern struct drm_api * drm_api_create(void);
  70
  71 #endif