r300: Also update window state when it's already bound but its stamp changed.

And set new cliprects before deriving other state from them. This ensures
cliprects aren't accessed after having been freed.

Thanks to Panagiotis Papadakos for testing various iterations of this.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/r300/radeon_context.c b/src/mesa/drivers/dri/r300/radeon_context.c
index d66f1dc49e8..66d1b153b3c 100644
--- a/src/mesa/drivers/dri/r300/radeon_context.c
+++ b/src/mesa/drivers/dri/r300/radeon_context.c
@@ -273,15 +273,15 @@ GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 					      &radeon->vbl_seq);
 		}
 
+		radeon->dri.readable = driReadPriv;
+
 		if (radeon->dri.drawable != driDrawPriv ||
-		    radeon->dri.readable != driReadPriv) {
+		    radeon->lastStamp != driDrawPriv->lastStamp) {
 			radeon->dri.drawable = driDrawPriv;
-			radeon->dri.readable = driReadPriv;
 
+			radeonSetCliprects(radeon);
 			r300UpdateWindow(radeon->glCtx);
 			r300UpdateViewportOffset(radeon->glCtx);
-
-			radeonSetCliprects(radeon);
 		}
 
 		_mesa_make_current(radeon->glCtx,