diff options
| author | Daniel Schürmann <daniel.schuermann@campus.tu-berlin.de> | 2018-02-23 13:55:00 +0100 |
|---|---|---|
| committer | Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> | 2018-03-07 23:09:58 +0100 |
| commit | 18c7f1e041b350805a3d940a6b966009e0631604 (patch) | |
| tree | a408344be2ff7b307c9cc06133baa66dcdfd78bc | |
| parent | 68a6a3b51acc0f8ad54f47ff10e30141697d404c (diff) | |
ac: implement AMD_gcn_shader extended instructions
Co-authored-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Schürmann <daniel.schuermann@campus.tu-berlin.de>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index d02238dba7d..0fbce5bbfd6 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -1603,6 +1603,10 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr) case nir_op_unpack_half_2x16: src_components = 1; break; + case nir_op_cube_face_coord: + case nir_op_cube_face_index: + src_components = 3; + break; default: src_components = num_components; break; @@ -2015,6 +2019,30 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr) break; } + case nir_op_cube_face_coord: { + src[0] = ac_to_float(&ctx->ac, src[0]); + LLVMValueRef results[2]; + LLVMValueRef in[3]; + for (unsigned chan = 0; chan < 3; chan++) + in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan); + results[0] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubetc", + ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE); + results[1] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubesc", + ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE); + result = ac_build_gather_values(&ctx->ac, results, 2); + break; + } + + case nir_op_cube_face_index: { + src[0] = ac_to_float(&ctx->ac, src[0]); + LLVMValueRef in[3]; + for (unsigned chan = 0; chan < 3; chan++) + in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan); + result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubeid", + ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE); + break; + } + default: fprintf(stderr, "Unknown NIR alu instr: "); nir_print_instr(&instr->instr, stderr); |