84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
// Copyright 2023 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn/tests/benchmarks/NullDeviceSetup.h"
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#include <benchmark/benchmark.h>
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#include <dawn/webgpu_cpp.h>
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#include <memory>
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#include "dawn/common/Assert.h"
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#include "dawn/common/Log.h"
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#include "dawn/dawn_proc.h"
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#include "dawn/native/DawnNative.h"
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namespace {
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std::unique_ptr<dawn::native::Instance> nativeInstance = nullptr;
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wgpu::Adapter nullBackendAdapter = nullptr;
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} // namespace
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void SetupNullBackend(const benchmark::State& state) {
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dawnProcSetProcs(&dawn::native::GetProcs());
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if (!nativeInstance) {
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nativeInstance = std::make_unique<dawn::native::Instance>();
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nativeInstance->DiscoverDefaultPhysicalDevices();
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}
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if (!nullBackendAdapter) {
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for (auto& a : nativeInstance->GetAdapters()) {
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wgpu::AdapterProperties properties;
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a.GetProperties(&properties);
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if (properties.backendType == wgpu::BackendType::Null) {
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nullBackendAdapter = wgpu::Adapter(a.Get());
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}
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}
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}
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ASSERT(nullBackendAdapter != nullptr);
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}
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wgpu::Device CreateNullDevice(const wgpu::DeviceDescriptor& desc) {
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wgpu::Device device;
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nullBackendAdapter.RequestDevice(
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&desc,
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[](WGPURequestDeviceStatus status, WGPUDevice cDevice, char const* message,
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void* userdata) {
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ASSERT(status == WGPURequestDeviceStatus_Success);
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*reinterpret_cast<wgpu::Device*>(userdata) = wgpu::Device::Acquire(cDevice);
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},
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&device);
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while (!device) {
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wgpuInstanceProcessEvents(nativeInstance->Get());
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}
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device.SetUncapturedErrorCallback(
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[](WGPUErrorType, char const* message, void* userdata) {
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dawn::ErrorLog() << message;
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UNREACHABLE();
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},
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nullptr);
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device.SetDeviceLostCallback(
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[](WGPUDeviceLostReason reason, char const* message, void* userdata) {
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if (reason == WGPUDeviceLostReason_Undefined) {
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dawn::ErrorLog() << message;
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UNREACHABLE();
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}
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},
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nullptr);
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return device;
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}
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