C++ (Cpp) lp_get_output_ptr примеры использования

Пример #1

Файл: radeon_setup_tgsi_llvm.c Проект: mthuurne/mesa

static LLVMValueRef
emit_fetch(
	struct lp_build_tgsi_context *bld_base,
	const struct tgsi_full_src_register *reg,
	enum tgsi_opcode_type type,
	unsigned swizzle)
{
	struct radeon_llvm_context * ctx = radeon_llvm_context(bld_base);
	struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
	LLVMBuilderRef builder = bld_base->base.gallivm->builder;
	LLVMValueRef result, ptr;

	if (swizzle == ~0) {
		LLVMValueRef values[TGSI_NUM_CHANNELS];
		unsigned chan;
		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
			values[chan] = emit_fetch(bld_base, reg, type, chan);
		}
		return lp_build_gather_values(bld_base->base.gallivm, values,
					      TGSI_NUM_CHANNELS);
	}

	if (reg->Register.Indirect) {
		struct tgsi_declaration_range range = get_array_range(bld_base,
			reg->Register.File, &reg->Indirect);
		return LLVMBuildExtractElement(builder,
			emit_array_fetch(bld_base, reg->Register.File, type, range, swizzle),
			emit_array_index(bld, &reg->Indirect, reg->Register.Index - range.First),
			"");
	}

	switch(reg->Register.File) {
	case TGSI_FILE_IMMEDIATE: {
		LLVMTypeRef ctype = tgsi2llvmtype(bld_base, type);
		return LLVMConstBitCast(bld->immediates[reg->Register.Index][swizzle], ctype);
	}

	case TGSI_FILE_INPUT:
		result = ctx->inputs[radeon_llvm_reg_index_soa(reg->Register.Index, swizzle)];
		break;

	case TGSI_FILE_TEMPORARY:
		ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle);
		result = LLVMBuildLoad(builder, ptr, "");
		break;

	case TGSI_FILE_OUTPUT:
		ptr = lp_get_output_ptr(bld, reg->Register.Index, swizzle);
		result = LLVMBuildLoad(builder, ptr, "");
		break;

	default:
		return LLVMGetUndef(tgsi2llvmtype(bld_base, type));
	}

	return bitcast(bld_base, type, result);
}

Пример #2

Файл: radeon_setup_tgsi_llvm.c Проект: NSinopoli/mesa

static LLVMValueRef
emit_fetch_output(
	struct lp_build_tgsi_context *bld_base,
	const struct tgsi_full_src_register *reg,
	enum tgsi_opcode_type type,
	unsigned swizzle)
{
	struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
	LLVMBuilderRef builder = bld_base->base.gallivm->builder;
	 if (reg->Register.Indirect) {
		LLVMValueRef array_index = emit_array_index(bld, reg, swizzle);
		LLVMValueRef ptr = LLVMBuildGEP(builder, bld->outputs_array, &array_index,
						1, "");
		return LLVMBuildLoad(builder, ptr, "");
	} else {
		LLVMValueRef temp_ptr;
		temp_ptr = lp_get_output_ptr(bld, reg->Register.Index, swizzle);
		return LLVMBuildLoad(builder, temp_ptr, "");
	 }
}