From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 28 Jul 2015 09:39:35 +0000 (+0200)
Subject: radeonsi: early exit in si_clear if there's nothing to do
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f9c4953f99e75e45bc4f0f07315ee643b62b0c23;p=mesa.git

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

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

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index c3591a7e85a..c8926238940 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) {