Mesa (master): ac/nir: implement 8-bit ssbo stores

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Module: Mesa
Branch: master
Commit: 9c5067acf17a75524e2241486737ccb48fcf16ad
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9c5067acf17a75524e2241486737ccb48fcf16ad

Author: Rhys Perry <pendingchaos02 at gmail.com>
Date:   Thu Dec  6 14:57:40 2018 +0000

ac/nir: implement 8-bit ssbo stores

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

---

 src/amd/common/ac_nir_to_llvm.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index c088537e1fd..5a199c1147d 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1555,7 +1555,7 @@ static void visit_store_ssbo(struct ac_nir_context *ctx,
 
 	LLVMValueRef rsrc = ctx->abi->load_ssbo(ctx->abi,
 				        get_src(ctx, instr->src[1]), true);
-	LLVMValueRef base_data = ac_to_float(&ctx->ac, src_data);
+	LLVMValueRef base_data = src_data;
 	base_data = ac_trim_vector(&ctx->ac, base_data, instr->num_components);
 	LLVMValueRef base_offset = get_src(ctx, instr->src[2]);
 
@@ -1593,7 +1593,12 @@ static void visit_store_ssbo(struct ac_nir_context *ctx,
 		offset = LLVMBuildAdd(ctx->ac.builder, base_offset,
 				      LLVMConstInt(ctx->ac.i32, start * elem_size_bytes, false), "");
 
-		if (num_bytes == 2) {
+		if (num_bytes == 1) {
+			ac_build_tbuffer_store_byte(&ctx->ac, rsrc, data,
+						    offset, ctx->ac.i32_0,
+						    cache_policy & ac_glc,
+						    writeonly_memory);
+		} else if (num_bytes == 2) {
 			ac_build_tbuffer_store_short(&ctx->ac, rsrc, data,
 						     offset, ctx->ac.i32_0,
 						     cache_policy & ac_glc,