radeon: Fix inverted test for disabling flushing of front buffer output.

(corresponding fix to the intel driver one)

diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 7f503a9..39f1993 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -1093,7 +1093,7 @@ void radeonFlush(GLcontext *ctx)
                         * each of N places that do rendering.  This has worse performances,
                         * but it is much easier to get correct.
                         */
-                       if (radeon->is_front_buffer_rendering) {
+                       if (!radeon->is_front_buffer_rendering) {
                                radeon->front_buffer_dirty = GL_FALSE;
                        }
                }