ac/nir: implement 8-bit ssbo stores

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

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index c088537e1fd8d7a29c786b20a6281552a70a71f7..5a199c1147d826861768a06de5be3bbb683de2dd 100644 (file)
--- 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,