Add winsys->surface_release() to complement winsys->surface_alloc().

pipe_surface now has a pointer to the winsys which create/owns the surface.
This allows clean surface deallocation w/out a rendering context.

1 files changed, 4 insertions, 13 deletions

diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 7c18f380cd..0d23f7eec4 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -129,19 +129,10 @@ static void
 st_renderbuffer_delete(struct gl_renderbuffer *rb)
 {
    struct st_renderbuffer *strb = st_renderbuffer(rb);
-   GET_CURRENT_CONTEXT(ctx);
-   if (ctx) {
-      struct pipe_context *pipe = ctx->st->pipe;
-      ASSERT(strb);
-      if (strb && strb->surface) {
-         if (strb->surface->region) {
-            pipe->winsys->region_release(pipe->winsys, &strb->surface->region);
-         }
-         free(strb->surface);
-      }
-   }
-   else {
-      _mesa_warning(NULL, "st_renderbuffer_delete() called, but no current context");
+   ASSERT(strb);
+   if (strb->surface) {
+      struct pipe_winsys *ws = strb->surface->winsys;
+      ws->surface_release(ws, &strb->surface);
    }
    free(strb);
 }