r600g: flush depth texture before a blit from it.

If we are going to blit from a depth texture we need to flush
it before we blit from it.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index bf21ab4..c11268c 100644 (file)
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -208,8 +208,14 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                                      unsigned src_level,
                                      const struct pipe_box *src_box)
 {
+       struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
+
+       if (rsrc->depth && !rsrc->is_flushing_texture)
+               r600_texture_depth_flush(ctx, src);
+
        r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
                            src, src_level, src_box);
+
 }
 
 void r600_init_blit_functions(struct r600_pipe_context *rctx)