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-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index bca0ca92248..16036e31637 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], ""));
}