Mesa (master): ac/nir: fix 16-bit ssbo stores

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Module: Mesa
Branch: master
Commit: 0f025bbccc236140101bc03ce9fa9d7a5bdb843b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0f025bbccc236140101bc03ce9fa9d7a5bdb843b

Author: Rhys Perry <pendingchaos02 at gmail.com>
Date:   Thu Dec  6 14:58:50 2018 +0000

ac/nir: fix 16-bit ssbo stores

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>

---

 src/amd/common/ac_nir_to_llvm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 4598eeccb20..5fb5c8da609 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1576,6 +1576,8 @@ static void visit_store_ssbo(struct ac_nir_context *ctx,
 		if (num_bytes == 2) {
 			store_name = "llvm.amdgcn.tbuffer.store.i32";
 			data_type = ctx->ac.i32;
+			data = LLVMBuildBitCast(ctx->ac.builder, data, ctx->ac.i16, "");
+			data = LLVMBuildZExt(ctx->ac.builder, data, data_type, "");
 			LLVMValueRef tbuffer_params[] = {
 				data,
 				rsrc,