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ac/nir: implement load_frag_coord intrinsic
author
Nicolai Hähnle
<nicolai.haehnle@amd.com>
Tue, 4 Jul 2017 09:09:24 +0000
(11:09 +0200)
committer
Nicolai Hähnle
<nicolai.haehnle@amd.com>
Mon, 31 Jul 2017 12:55:44 +0000
(14:55 +0200)
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
src/amd/common/ac_nir_to_llvm.c
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diff --git
a/src/amd/common/ac_nir_to_llvm.c
b/src/amd/common/ac_nir_to_llvm.c
index
9d15964
..
c08f102
100644
(file)
--- a/
src/amd/common/ac_nir_to_llvm.c
+++ b/
src/amd/common/ac_nir_to_llvm.c
@@
-4012,6
+4012,16
@@
static void visit_intrinsic(struct ac_nir_context *ctx,
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;