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
19
20 struct wl_drm {
21 struct wl_display *display;
22 struct wl_global *wl_drm_global;
23
24 void *user_data;
25 char *device_name;
26 uint32_t flags;
27
28 struct wayland_drm_callbacks callbacks;
29
30 struct wl_buffer_interface buffer_interface;
31 };
32
33 struct wl_drm_buffer {
34 struct wl_resource *resource;
35 struct wl_drm *drm;
36 int32_t width, height;
37 uint32_t format;
38 const void *driver_format;
39 int32_t offset[3];
40 int32_t stride[3];
41 void *driver_buffer;
42 };
43
44 enum { WAYLAND_DRM_PRIME = 0x01 };
45
46 static inline struct wl_drm_buffer *
wayland_drm_buffer_get(struct wl_drm * drm,struct wl_resource * resource)47 wayland_drm_buffer_get(struct wl_drm *drm, struct wl_resource *resource)
48 {
49 if (resource == NULL)
50 return NULL;
51
52 if (wl_resource_instance_of(resource, &wl_buffer_interface,
53 &drm->buffer_interface))
54 return wl_resource_get_user_data(resource);
55 else
56 return NULL;
57 }
58
59 struct wl_drm *
60 wayland_drm_init(struct wl_display *display, char *device_name,
61 const struct wayland_drm_callbacks *callbacks, void *user_data,
62 uint32_t flags);
63
64 void
65 wayland_drm_uninit(struct wl_drm *drm);
66
67 #endif
68