| // Copyright 2023 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #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 |