From f783677a82e08a7510da22809548863e3620a103 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Fri, 17 Nov 2017 04:56:13 +0100 Subject: [PATCH] radeonsi: don't write undefined output channels to LDS in LS MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Nicolai Hähnle --- src/gallium/drivers/radeonsi/si_shader.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index bca0ca9..16036e3 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -3176,6 +3176,9 @@ static void si_llvm_emit_ls_epilogue(struct lp_build_tgsi_context *bld_base) LLVMConstInt(ctx->i32, param * 4, 0), ""); for (chan = 0; chan < 4; chan++) { + if (!(info->output_usagemask[i] & (1 << chan))) + continue; + lds_store(bld_base, chan, dw_addr, LLVMBuildLoad(ctx->ac.builder, out_ptr[chan], "")); } -- 2.7.4