From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 28 Jul 2015 09:39:35 +0000 (+0200)
Subject: r600g: early exit in r600_clear if there's nothing to do
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=64d3130994bde98b0be44a5c54511e376b6d994e;p=mesa.git

r600g: early exit in r600_clear if there's nothing to do

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

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index 8e553a8e3b9..1c59230c78e 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -401,6 +401,8 @@ static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 	    rctx->framebuffer.nr_samples > 1) {
 		evergreen_do_fast_color_clear(&rctx->b, fb, &rctx->framebuffer.atom,
 					      &buffers, color);
+		if (!buffers)
+			return; /* all buffers have been fast cleared */
 	}
 
 	if (buffers & PIPE_CLEAR_COLOR) {