record: Assume recording surface targets are clear

The replay of the recording surface will not function correctly unless
the target surface region is already clear. So assume that is and
optimise away the initial clear.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/cairo-recording-surface-private.h b/src/cairo-recording-surface-private.h
index bf5eb7544..c370b67a4 100644
--- a/src/cairo-recording-surface-private.h
+++ b/src/cairo-recording-surface-private.h
@@ -142,8 +142,6 @@ typedef struct _cairo_recording_surface {
 	struct bbtree *left, *right;
 	cairo_command_header_t *chain;
     } bbtree;
-
-    int replay_start_idx;
 } cairo_recording_surface_t;
 
 slim_hidden_proto (cairo_recording_surface_create);