From: Marek Olšák <marek.olsak@amd.com>
Date: Fri, 15 Jan 2016 11:59:48 +0000 (+0100)
Subject: radeonsi: don't enable blending if colormask == 0
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0446ea9d084f5e72f7ea23f806a9723c94dd3685;p=mesa.git

radeonsi: don't enable blending if colormask == 0

most likely useless, but doesn't hurt

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 2a6d2c6ff36..ea441acb1b0 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -433,6 +433,9 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
 
 		unsigned blend_cntl = 0;
 
+		if (!state->rt[j].colormask)
+			continue;
+
 		/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
 		blend->cb_target_mask |= state->rt[j].colormask << (4 * i);