src/egl/wayland/wayland-drm/wayland-drm.h

   1 #ifndef WAYLAND_DRM_H
   2 #define WAYLAND_DRM_H
   3
   4 #include <wayland-server.h>
   5
   6 struct wl_display;
   7 struct wl_resource;
   8 struct wl_drm_buffer;
   9
  10 struct wayland_drm_callbacks {
  11         int (*authenticate)(void *user_data, uint32_t id);
  12
  13         void (*reference_buffer)(void *user_data, uint32_t name, int fd,
  14                                  struct wl_drm_buffer *buffer);
  15
  16         void (*release_buffer)(void *user_data, struct wl_drm_buffer *buffer);
  17
  18         bool (*is_format_supported)(void *user_data, uint32_t format);
  19 };
  20
  21
  22 struct wl_drm {
  23         struct wl_display *display;
  24         struct wl_global *wl_drm_global;
  25
  26         void *user_data;
  27         char *device_name;
  28         uint32_t flags;
  29
  30         struct wayland_drm_callbacks callbacks;
  31
  32         struct wl_buffer_interface buffer_interface;
  33 };
  34
  35 struct wl_drm_buffer {
  36         struct wl_resource *resource;
  37         struct wl_drm *drm;
  38         int32_t width, height;
  39         uint32_t format;
  40         const void *driver_format;
  41         int32_t offset[3];
  42         int32_t stride[3];
  43         void *driver_buffer;
  44 };
  45
  46 enum { WAYLAND_DRM_PRIME = 0x01 };
  47
  48 static inline struct wl_drm_buffer *
  49 wayland_drm_buffer_get(struct wl_drm *drm, struct wl_resource *resource)
  50 {
  51         if (resource == NULL)
  52                 return NULL;
  53
  54         if (wl_resource_instance_of(resource, &wl_buffer_interface,
  55                                     &drm->buffer_interface))
  56                 return wl_resource_get_user_data(resource);
  57         else
  58                 return NULL;
  59 }
  60
  61 struct wl_drm *
  62 wayland_drm_init(struct wl_display *display, char *device_name,
  63                  const struct wayland_drm_callbacks *callbacks, void *user_data,
  64                  uint32_t flags);
  65
  66 void
  67 wayland_drm_uninit(struct wl_drm *drm);
  68
  69 #endif