blob: 3ea2ea63b94eb2491961870613e40f6506f4fa08 [file] [log] [blame]
// Copyright 2023 The Dawn 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 <memory>
#include "dawn/native/metal/DeviceMTL.h"
#include "dawn/tests/white_box/GPUTimestampCalibrationTests.h"
namespace dawn {
namespace {
class GPUTimestampCalibrationTestsMetal : public GPUTimestampCalibrationTestBackend {
public:
explicit GPUTimestampCalibrationTestsMetal(const wgpu::Device& device) {
mBackendDevice = dawn::native::metal::ToBackend(dawn::native::FromAPI(device.Get()));
}
// The API used in timestamp calibration is only available on macOS 10.15+ and iOS 14.0+
bool IsSupported() const override {
if (@available(macOS 10.15, iOS 14.0, *)) {
return true;
}
return false;
}
void GetTimestampCalibration(uint64_t* gpuTimestamp, uint64_t* cpuTimestamp) override {
if (@available(macOS 10.15, iOS 14.0, *)) {
[mBackendDevice->GetMTLDevice() sampleTimestamps:cpuTimestamp
gpuTimestamp:gpuTimestamp];
}
}
float GetTimestampPeriod() const override { return mBackendDevice->GetTimestampPeriodInNS(); }
private:
dawn::native::metal::Device* mBackendDevice;
};
} // anonymous namespace
// static
std::unique_ptr<GPUTimestampCalibrationTestBackend> GPUTimestampCalibrationTestBackend::Create(
const wgpu::Device& device) {
return std::make_unique<GPUTimestampCalibrationTestsMetal>(device);
}
} // namespace dawn