st/dri2: Hook up flush_frontbuffer

	Doesn't do anything because we can't tell the X server about
	any changes to the fake front buffer.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/dri2/dri_drawable.c b/src/gallium/state_trackers/dri2/dri_drawable.c
index 5c8f3ba866..8a00c6caf1 100644
--- a/src/gallium/state_trackers/dri2/dri_drawable.c
+++ b/src/gallium/state_trackers/dri2/dri_drawable.c
@@ -44,6 +44,15 @@
 #include "util/u_memory.h"
 
 
+static void
+dri_copy_to_front(__DRIdrawablePrivate *dPriv,
+                  struct pipe_surface *from,
+                  int x, int y, unsigned w, unsigned h)
+{
+   /* TODO send a message to the Xserver to copy to the real front buffer */
+}
+
+
 static struct pipe_surface *
 dri_surface_from_handle(struct pipe_screen *screen,
                         unsigned handle,
@@ -185,6 +194,16 @@ dri_get_buffers(__DRIdrawablePrivate *dPriv)
 
 
 void
+dri_flush_frontbuffer(struct pipe_screen *screen,
+                      struct pipe_surface *surf,
+                      void *context_private)
+{
+   struct dri_context *ctx = (struct dri_context *)context_private;
+   dri_copy_to_front(ctx->dPriv, surf, 0, 0, surf->width, surf->height);
+}
+
+
+void
 dri_swap_buffers(__DRIdrawablePrivate * dPriv)
 {
    /* not needed for dri2 */