From: Marek Olšák <[email protected]>
---
.../drivers/radeon/radeon_setup_tgsi_llvm.c | 32 +++++++++++++++++++---
1 file changed, 28 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
index cd9ac26..e7354de 100644
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
@@ -901,6 +901,32 @@ static void kil_emit(const struct lp_build_tgsi_action
*action,
}
}
+static LLVMValueRef build_cube_intrinsic(struct gallivm_state *gallivm,
+ LLVMValueRef in[4])
+{
+ if (HAVE_LLVM >= 0x0309) {
+ LLVMTypeRef f32 = LLVMTypeOf(in[0]);
+ LLVMValueRef out[4];
+
+ out[0] = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.cubetc",
+ f32, in, 3, LLVMReadNoneAttribute);
+ out[1] = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.cubesc",
+ f32, in, 3, LLVMReadNoneAttribute);
+ out[2] = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.cubema",
+ f32, in, 3, LLVMReadNoneAttribute);
+ out[3] = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.cubeid",
+ f32, in, 3, LLVMReadNoneAttribute);
+
+ return lp_build_gather_values(gallivm, out, 4);
+ } else {
+ LLVMValueRef vec = lp_build_gather_values(gallivm, in, 4);
+
+ return lp_build_intrinsic(gallivm->builder, "llvm.AMDGPU.cube",
+ LLVMTypeOf(vec), &vec, 1,
+ LLVMReadNoneAttribute);
+ }
+}
+
static void radeon_llvm_cube_to_2d_coords(struct lp_build_tgsi_context
*bld_base,
LLVMValueRef *in, LLVMValueRef *out)
{
@@ -909,12 +935,10 @@ static void radeon_llvm_cube_to_2d_coords(struct
lp_build_tgsi_context *bld_base
LLVMTypeRef type = bld_base->base.elem_type;
LLVMValueRef coords[4];
LLVMValueRef mad_args[3];
- LLVMValueRef v, cube_vec;
+ LLVMValueRef v;
unsigned i;
- cube_vec = lp_build_gather_values(bld_base->base.gallivm, in, 4);
- v = lp_build_intrinsic(builder, "llvm.AMDGPU.cube",
LLVMVectorType(type, 4),
- &cube_vec, 1, LLVMReadNoneAttribute);
+ v = build_cube_intrinsic(gallivm, in);
for (i = 0; i < 4; ++i)
coords[i] = LLVMBuildExtractElement(builder, v,
--
2.7.4
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