wayland-drm: Add protocol to create planar buffers

[mesa.git] / src / gallium / state_trackers / egl / common / native_wayland_drm_bufmgr_helper.c

diff --git a/src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c b/src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c
index bc2cee4c386b808b31b4b58abf5ee507655434b5..c520b536483b0c8f8ca2c94f9af1b02cc8e1fef7 100644 (file)
--- a/src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c
+++ b/src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c
@@ -12,37 +12,52 @@
 
 #include "native_wayland_drm_bufmgr_helper.h"
 
-void *
+void
 egl_g3d_wl_drm_helper_reference_buffer(void *user_data, uint32_t name,
-                                       int32_t width, int32_t height,
-                                       uint32_t stride,
-                                       struct wl_visual *visual)
+                                       struct wl_drm_buffer *buffer)
 {
    struct native_display *ndpy = user_data;
    struct pipe_resource templ;
    struct winsys_handle wsh;
-   enum pipe_format format = PIPE_FORMAT_B8G8R8A8_UNORM;
+   enum pipe_format pf;
+
+   switch (buffer->format) {
+   case WL_DRM_FORMAT_ARGB8888:
+      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
+      break;
+   case WL_DRM_FORMAT_XRGB8888:
+      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
+      break;
+   default:
+      pf = PIPE_FORMAT_NONE;
+      break;
+   }
+
+   if (pf == PIPE_FORMAT_NONE)
+      return;
 
    memset(&templ, 0, sizeof(templ));
    templ.target = PIPE_TEXTURE_2D;
-   templ.format = format;
+   templ.format = pf;
    templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
-   templ.width0 = width;
-   templ.height0 = height;
+   templ.width0 = buffer->buffer.width;
+   templ.height0 = buffer->buffer.height;
    templ.depth0 = 1;
    templ.array_size = 1;
 
    memset(&wsh, 0, sizeof(wsh));
    wsh.handle = name;
-   wsh.stride = stride;
+   wsh.stride = buffer->stride[0];
 
-   return ndpy->screen->resource_from_handle(ndpy->screen, &templ, &wsh);
+   buffer->driver_buffer =
+      ndpy->screen->resource_from_handle(ndpy->screen, &templ, &wsh);
 }
 
 void
-egl_g3d_wl_drm_helper_unreference_buffer(void *user_data, void *buffer)
+egl_g3d_wl_drm_helper_unreference_buffer(void *user_data,
+                                         struct wl_drm_buffer *buffer)
 {
-   struct pipe_resource *resource = buffer;
+   struct pipe_resource *resource = buffer->driver_buffer;
 
    pipe_resource_reference(&resource, NULL);
 }