diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_llvm.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_llvm.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c index 17d362c0aaf..9e31171c711 100644 --- a/src/gallium/drivers/r600/r600_llvm.c +++ b/src/gallium/drivers/r600/r600_llvm.c @@ -19,18 +19,29 @@ #if defined R600_USE_LLVM || defined HAVE_OPENCL +#define CONSTANT_BUFFER_0_ADDR_SPACE 9 + static LLVMValueRef llvm_fetch_const( struct lp_build_tgsi_context * bld_base, const struct tgsi_full_src_register *reg, enum tgsi_opcode_type type, unsigned swizzle) { - LLVMValueRef idx = lp_build_const_int32(bld_base->base.gallivm, - radeon_llvm_reg_index_soa(reg->Register.Index, swizzle)); - LLVMValueRef cval = build_intrinsic(bld_base->base.gallivm->builder, - "llvm.AMDGPU.load.const", bld_base->base.elem_type, - &idx, 1, LLVMReadNoneAttribute); - + LLVMValueRef offset[2] = { + LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false), + lp_build_const_int32(bld_base->base.gallivm, reg->Register.Index) + }; + if (reg->Register.Indirect) { + struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); + LLVMValueRef index = LLVMBuildLoad(bld_base->base.gallivm->builder, bld->addr[reg->Indirect.Index][reg->Indirect.SwizzleX], ""); + offset[1] = LLVMBuildAdd(bld_base->base.gallivm->builder, offset[1], index, ""); + } + LLVMTypeRef const_ptr_type = LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4), 1024), + CONSTANT_BUFFER_0_ADDR_SPACE); + LLVMValueRef const_ptr = LLVMBuildIntToPtr(bld_base->base.gallivm->builder, lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, ""); + LLVMValueRef ptr = LLVMBuildGEP(bld_base->base.gallivm->builder, const_ptr, offset, 2, ""); + LLVMValueRef cvecval = LLVMBuildLoad(bld_base->base.gallivm->builder, ptr, ""); + LLVMValueRef cval = LLVMBuildExtractElement(bld_base->base.gallivm->builder, cvecval, lp_build_const_int32(bld_base->base.gallivm, swizzle), ""); return bitcast(bld_base, type, cval); } |