native_wayland_drm_bufmgr_helper.c revision 58dc1b28d1ef4d1931c52b079d304f2e1546329d 
1#include <stdint.h>
2#include <string.h>
3
4#include "native.h"
5#include "util/u_inlines.h"
6#include "state_tracker/drm_driver.h"
7
8#ifdef HAVE_WAYLAND_BACKEND
9
10#include <wayland-server.h>
11#include <wayland-drm-server-protocol.h>
12
13#include "native_wayland_drm_bufmgr_helper.h"
14
15void *
16egl_g3d_wl_drm_helper_reference_buffer(void *user_data, uint32_t name,
17                                       int32_t width, int32_t height,
18                                       uint32_t stride, uint32_t format)
19{
20   struct native_display *ndpy = user_data;
21   struct pipe_resource templ;
22   struct winsys_handle wsh;
23   enum pipe_format pf;
24
25   switch (format) {
26   case WL_DRM_FORMAT_ARGB8888:
27      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
28      break;
29   case WL_DRM_FORMAT_XRGB8888:
30      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
31      break;
32   default:
33      pf = PIPE_FORMAT_NONE;
34      break;
35   }
36
37   if (pf == PIPE_FORMAT_NONE)
38      return NULL;
39
40   memset(&templ, 0, sizeof(templ));
41   templ.target = PIPE_TEXTURE_2D;
42   templ.format = pf;
43   templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
44   templ.width0 = width;
45   templ.height0 = height;
46   templ.depth0 = 1;
47   templ.array_size = 1;
48
49   memset(&wsh, 0, sizeof(wsh));
50   wsh.handle = name;
51   wsh.stride = stride;
52
53   return ndpy->screen->resource_from_handle(ndpy->screen, &templ, &wsh);
54}
55
56void
57egl_g3d_wl_drm_helper_unreference_buffer(void *user_data, void *buffer)
58{
59   struct pipe_resource *resource = buffer;
60
61   pipe_resource_reference(&resource, NULL);
62}
63
64struct pipe_resource *
65egl_g3d_wl_drm_common_wl_buffer_get_resource(struct native_display *ndpy,
66                                             struct wl_buffer *buffer)
67{
68   return wayland_drm_buffer_get_buffer(buffer);
69}
70
71#endif
72