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// Copyright 2019 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "samples/config_helper_dawn.h"
#include <iostream>
#include "samples/dawn_device_metal.h"
namespace sample {
ConfigHelperDawn::ConfigHelperDawn() = default;
ConfigHelperDawn::~ConfigHelperDawn() = default;
namespace {
// Callback which prints a message from a Dawn device operation.
void PrintDeviceError(const char* message, ::dawn::CallbackUserdata) {
std::cout << "Device error: " << message << std::endl;
}
} // namespace
amber::Result ConfigHelperDawn::CreateConfig(
uint32_t,
uint32_t,
const std::vector<std::string>&,
const std::vector<std::string>&,
const std::vector<std::string>&,
bool,
bool,
std::unique_ptr<amber::EngineConfig>* config) {
#if AMBER_DAWN_METAL
auto r = dawn::CreateMetalDevice(&dawn_instance_, &dawn_device_);
if (!r.IsSuccess())
return r;
#else
return amber::Result("Can't make Dawn engine config");
#endif
// Set procedure table and error callback.
dawnProcTable backendProcs = dawn_native::GetProcs();
dawnSetProcs(&backendProcs);
backendProcs.deviceSetErrorCallback(dawn_device_.Get(), PrintDeviceError, 0);
auto* dawn_config = new amber::DawnEngineConfig;
dawn_config->device = &dawn_device_;
config->reset(dawn_config);
return {};
}
amber::Result ConfigHelperDawn::Shutdown() {
dawn_device_ = {};
return {};
}
} // namespace sample
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