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-rw-r--r--src/amd/common/ac_nir_to_llvm.c28
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);