Mesa (master): radeonsi: early exit in si_clear if there's nothing to do

[Marek Olšák]

Module: Mesa
Branch: master
Commit: f9c4953f99e75e45bc4f0f07315ee643b62b0c23
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f9c4953f99e75e45bc4f0f07315ee643b62b0c23

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue Jul 28 11:39:35 2015 +0200

radeonsi: early exit in si_clear if there's nothing to do

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>

---

 src/gallium/drivers/radeonsi/si_blit.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index c3591a7..c892623 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -342,6 +342,8 @@ static void si_clear(struct pipe_context *ctx, unsigned buffers,
 	if (buffers & PIPE_CLEAR_COLOR) {
 		evergreen_do_fast_color_clear(&sctx->b, fb, &sctx->framebuffer.atom,
 					      &buffers, color);
+		if (!buffers)
+			return; /* all buffers have been fast cleared */
 	}
 
 	if (buffers & PIPE_CLEAR_COLOR) {