r300g: fix a surface leak when flushing ZMASK

diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index 6e88643..017db48 100644 (file)
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -326,6 +326,7 @@ void r300_flush_depth_stencil(struct pipe_context *pipe,
     r300->z_decomp_rd = FALSE;
 
     tex->zmask_in_use[level] = FALSE;
+    pipe_surface_reference(&dstsurf, NULL);
 }
 
 /* Copy a block of pixels from one surface to another using HW. */