From: Marek Olšák <marek.olsak@amd.com>
Date: Thu, 17 May 2018 03:47:15 +0000 (-0400)
Subject: radeonsi: skip ES output stores for undefined output components
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3d64ed57853d59d602789c45b041af0f9e272a75;p=mesa.git

radeonsi: skip ES output stores for undefined output components

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index e8d08cd8e7f..0d24c3af10a 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -3598,6 +3598,9 @@ static void si_llvm_emit_es_epilogue(struct ac_shader_abi *abi,
 						      info->output_semantic_index[i]);
 
 		for (chan = 0; chan < 4; chan++) {
+			if (!(info->output_usagemask[i] & (1 << chan)))
+				continue;
+
 			LLVMValueRef out_val = LLVMBuildLoad(ctx->ac.builder, addrs[4 * i + chan], "");
 			out_val = ac_to_integer(&ctx->ac, out_val);