Function compute_kernel_args_size

compute/cuda/cuda_program.cpp:28–46

note that cuda doesn't have any special argument types and everything is just sized "memory" -> only need to add up sizes

// note that cuda doesn't have any special argument types and everything is just sized "memory"
// -> only need to add up sizes
static size_t compute_kernel_args_size(const llvm_toolchain::function_info& info) {
	size_t ret = 0;
	const auto arg_count = info.args.size();
	for(size_t i = 0; i < arg_count; ++i) {
		// actual arg or pointer?
		if(info.args[i].address_space == llvm_toolchain::ARG_ADDRESS_SPACE::CONSTANT) {
			ret += info.args[i].size;
		}
		else if(info.args[i].address_space == llvm_toolchain::ARG_ADDRESS_SPACE::IMAGE) {
			ret += sizeof(uint32_t) * cuda_sampler::max_sampler_count;
			ret += sizeof(uint64_t) * 1 /* surface */;
			ret += sizeof(cu_device_ptr) * 1 /* surfaces lod buffer */;
			ret += sizeof(COMPUTE_IMAGE_TYPE);
			ret += 4 /* padding */;
		}
		else ret += sizeof(void*);
	}
	return ret;
}

cuda_program::cuda_program(program_map_type&& programs_) : programs(std::move(programs_)) {
	if(programs.empty()) return;