From: Dave Airlie <airl...@redhat.com>
This is ported from amdvlk, and fixes:
dEQP-VK.pipeline.multisample_shader_builtin.sample_mask.bit_*
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/amd/common/ac_nir_to_llvm.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 214fb14..876c7ce 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -4046,6 +4046,16 @@ static LLVMValueRef load_sample_pos(struct
ac_nir_context *ctx)
return ac_build_gather_values(&ctx->ac, values, 2);
}
+static LLVMValueRef load_sample_mask_in(struct ac_nir_context *ctx)
+{
+ LLVMValueRef result, sample_id;
+ sample_id = unpack_param(&ctx->ac, ctx->abi->ancillary, 8, 4);
+
+ sample_id = LLVMBuildShl(ctx->ac.builder, ctx->ac.i32_1, sample_id, "");
+ result = LLVMBuildAnd(ctx->ac.builder, sample_id,
ctx->abi->sample_coverage, "");
+ return result;
+}
+
static LLVMValueRef visit_interp(struct nir_to_llvm_context *ctx,
const nir_intrinsic_instr *instr)
{
@@ -4350,7 +4360,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
result = load_sample_pos(ctx);
break;
case nir_intrinsic_load_sample_mask_in:
- result = ctx->abi->sample_coverage;
+ result = load_sample_mask_in(ctx);
break;
case nir_intrinsic_load_frag_coord: {
LLVMValueRef values[4] = {
--
2.9.5
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