r600: fix warning

[mesa.git] / src / mesa / state_tracker / st_framebuffer.c

diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 13589151ba6946e353e38ceadd1e3a79b33b4631..ca32b2e573c98cbd3c7e7906b9eaf3ce4e384c41 100644 (file)
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -280,7 +280,8 @@ st_notify_swapbuffers(struct st_framebuffer *stfb)
                PIPE_FLUSH_SWAPBUFFERS |
                PIPE_FLUSH_FRAME,
                 NULL );
-      ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
+      if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
+         ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
    }
 }