[Mesa-dev] [PATCH v2 70/73] ac/nir: implement load_frag_coord intrinsic
Nicolai Hähnle
nhaehnle at gmail.com
Wed Jul 5 10:48:54 UTC 2017
From: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
src/amd/common/ac_nir_to_llvm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 9bb1904..5a972b7 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3979,20 +3979,30 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
break;
case nir_intrinsic_load_sample_id:
result = unpack_param(&ctx->ac, ctx->abi->ancillary, 8, 4);
break;
case nir_intrinsic_load_sample_pos:
result = load_sample_pos(ctx);
break;
case nir_intrinsic_load_sample_mask_in:
result = ctx->abi->sample_coverage;
break;
+ case nir_intrinsic_load_frag_coord: {
+ LLVMValueRef values[4] = {
+ ctx->abi->frag_pos[0],
+ ctx->abi->frag_pos[1],
+ ctx->abi->frag_pos[2],
+ ac_build_fdiv(&ctx->ac, ctx->ac.f32_1, ctx->abi->frag_pos[3])
+ };
+ result = ac_build_gather_values(&ctx->ac, values, 4);
+ break;
+ }
case nir_intrinsic_load_front_face:
result = ctx->abi->front_face;
break;
case nir_intrinsic_load_instance_id:
result = ctx->abi->instance_id;
break;
case nir_intrinsic_load_num_work_groups:
result = ctx->nctx->num_work_groups;
break;
case nir_intrinsic_load_local_invocation_index:
--
2.9.3
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