From: Nicolai Hähnle <nicolai.haehnle@amd.com>
Date: Tue, 29 Nov 2016 15:27:10 +0000 (+0100)
Subject: radeonsi: only write values belonging to the stream when emitting GS vertex
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=af976f12a56d11face02fe74ef0f112ec26d4c69;p=mesa.git

radeonsi: only write values belonging to the stream when emitting GS vertex

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 469e0c1cc3d..441718bbee5 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -5317,6 +5317,9 @@ static void si_llvm_emit_vertex(
 			ctx->soa.outputs[i];
 
 		for (chan = 0; chan < 4; chan++) {
+			if (((info->output_streams[i] >> (2 * chan)) & 3) != stream)
+				continue;
+
 			LLVMValueRef out_val = LLVMBuildLoad(gallivm->builder, out_ptr[chan], "");
 			LLVMValueRef voffset =
 				lp_build_const_int32(gallivm, (i * 4 + chan) *