src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c

   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
  15 void *
  16 egl_g3d_wl_drm_helper_reference_buffer(void *user_data, uint32_t name,
  17                                        int32_t width, int32_t height,
  18                                        uint32_t stride,
  19                                        struct wl_visual *visual)
  20 {
  21    struct native_display *ndpy = user_data;
  22    struct pipe_resource templ;
  23    struct winsys_handle wsh;
  24    enum pipe_format format = PIPE_FORMAT_B8G8R8A8_UNORM;
  25
  26    memset(&templ, 0, sizeof(templ));
  27    templ.target = PIPE_TEXTURE_2D;
  28    templ.format = format;
  29    templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
  30    templ.width0 = width;
  31    templ.height0 = height;
  32    templ.depth0 = 1;
  33    templ.array_size = 1;
  34
  35    memset(&wsh, 0, sizeof(wsh));
  36    wsh.handle = name;
  37    wsh.stride = stride;
  38
  39    return ndpy->screen->resource_from_handle(ndpy->screen, &templ, &wsh);
  40 }
  41
  42 void
  43 egl_g3d_wl_drm_helper_unreference_buffer(void *user_data, void *buffer)
  44 {
  45    struct pipe_resource *resource = buffer;
  46
  47    pipe_resource_reference(&resource, NULL);
  48 }
  49
  50 struct pipe_resource *
  51 egl_g3d_wl_drm_common_wl_buffer_get_resource(struct native_display *ndpy,
  52                                              struct wl_buffer *buffer)
  53 {
  54    return wayland_drm_buffer_get_buffer(buffer);
  55 }
  56
  57 #endif