| // Copyright 2021 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 "src/dawn_node/binding/GPUAdapter.h" |
| |
| #include <unordered_set> |
| |
| #include "src/dawn_node/binding/Flags.h" |
| #include "src/dawn_node/binding/GPUDevice.h" |
| #include "src/dawn_node/binding/GPUSupportedLimits.h" |
| |
| namespace { |
| // TODO(amaiorano): Move to utility header |
| std::vector<std::string> Split(const std::string& s, char delim) { |
| if (s.empty()) |
| return {}; |
| |
| std::vector<std::string> result; |
| const size_t lastIndex = s.length() - 1; |
| size_t startIndex = 0; |
| size_t i = startIndex; |
| |
| while (i <= lastIndex) { |
| if (s[i] == delim) { |
| auto token = s.substr(startIndex, i - startIndex); |
| if (!token.empty()) // Discard empty tokens |
| result.push_back(token); |
| startIndex = i + 1; |
| } else if (i == lastIndex) { |
| auto token = s.substr(startIndex, i - startIndex + 1); |
| if (!token.empty()) // Discard empty tokens |
| result.push_back(token); |
| } |
| ++i; |
| } |
| return result; |
| } |
| } // namespace |
| |
| namespace wgpu::binding { |
| |
| namespace { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // wgpu::binding::<anon>::Features |
| // Implements interop::GPUSupportedFeatures |
| //////////////////////////////////////////////////////////////////////////////// |
| class Features : public interop::GPUSupportedFeatures { |
| public: |
| Features(WGPUDeviceProperties properties) { |
| if (properties.depthClamping) { |
| enabled_.emplace(interop::GPUFeatureName::kDepthClamping); |
| } |
| if (properties.pipelineStatisticsQuery) { |
| enabled_.emplace(interop::GPUFeatureName::kPipelineStatisticsQuery); |
| } |
| if (properties.textureCompressionBC) { |
| enabled_.emplace(interop::GPUFeatureName::kTextureCompressionBc); |
| } |
| if (properties.timestampQuery) { |
| enabled_.emplace(interop::GPUFeatureName::kTimestampQuery); |
| } |
| |
| // TODO(crbug.com/dawn/1130) |
| // interop::GPUFeatureName::kDepth24UnormStencil8: |
| // interop::GPUFeatureName::kDepth32FloatStencil8: |
| } |
| |
| bool has(interop::GPUFeatureName feature) { |
| return enabled_.count(feature) != 0; |
| } |
| |
| // interop::GPUSupportedFeatures compliance |
| bool has(Napi::Env, std::string name) override { |
| interop::GPUFeatureName feature; |
| if (interop::Converter<interop::GPUFeatureName>::FromString(name, feature)) { |
| return has(feature); |
| } |
| return false; |
| } |
| std::vector<std::string> keys(Napi::Env) override { |
| std::vector<std::string> out; |
| out.reserve(enabled_.size()); |
| for (auto feature : enabled_) { |
| out.push_back(interop::Converter<interop::GPUFeatureName>::ToString(feature)); |
| } |
| return out; |
| } |
| |
| private: |
| std::unordered_set<interop::GPUFeatureName> enabled_; |
| }; |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // wgpu::bindings::GPUAdapter |
| // TODO(crbug.com/dawn/1133): This is a stub implementation. Properly implement. |
| //////////////////////////////////////////////////////////////////////////////// |
| GPUAdapter::GPUAdapter(dawn_native::Adapter a, const Flags& flags) |
| : adapter_(a), flags_(flags) { |
| } |
| |
| std::string GPUAdapter::getName(Napi::Env) { |
| return "dawn-adapter"; |
| } |
| |
| interop::Interface<interop::GPUSupportedFeatures> GPUAdapter::getFeatures(Napi::Env env) { |
| return interop::GPUSupportedFeatures::Create<Features>(env, |
| adapter_.GetAdapterProperties()); |
| } |
| |
| interop::Interface<interop::GPUSupportedLimits> GPUAdapter::getLimits(Napi::Env env) { |
| WGPUSupportedLimits limits{}; |
| if (!adapter_.GetLimits(&limits)) { |
| Napi::Error::New(env, "failed to get adapter limits").ThrowAsJavaScriptException(); |
| } |
| |
| wgpu::SupportedLimits wgpuLimits{}; |
| |
| #define COPY_LIMIT(LIMIT) wgpuLimits.limits.LIMIT = limits.limits.LIMIT |
| COPY_LIMIT(maxTextureDimension1D); |
| COPY_LIMIT(maxTextureDimension2D); |
| COPY_LIMIT(maxTextureDimension3D); |
| COPY_LIMIT(maxTextureArrayLayers); |
| COPY_LIMIT(maxBindGroups); |
| COPY_LIMIT(maxDynamicUniformBuffersPerPipelineLayout); |
| COPY_LIMIT(maxDynamicStorageBuffersPerPipelineLayout); |
| COPY_LIMIT(maxSampledTexturesPerShaderStage); |
| COPY_LIMIT(maxSamplersPerShaderStage); |
| COPY_LIMIT(maxStorageBuffersPerShaderStage); |
| COPY_LIMIT(maxStorageTexturesPerShaderStage); |
| COPY_LIMIT(maxUniformBuffersPerShaderStage); |
| COPY_LIMIT(maxUniformBufferBindingSize); |
| COPY_LIMIT(maxStorageBufferBindingSize); |
| COPY_LIMIT(minUniformBufferOffsetAlignment); |
| COPY_LIMIT(minStorageBufferOffsetAlignment); |
| COPY_LIMIT(maxVertexBuffers); |
| COPY_LIMIT(maxVertexAttributes); |
| COPY_LIMIT(maxVertexBufferArrayStride); |
| COPY_LIMIT(maxInterStageShaderComponents); |
| COPY_LIMIT(maxComputeWorkgroupStorageSize); |
| COPY_LIMIT(maxComputeInvocationsPerWorkgroup); |
| COPY_LIMIT(maxComputeWorkgroupSizeX); |
| COPY_LIMIT(maxComputeWorkgroupSizeY); |
| COPY_LIMIT(maxComputeWorkgroupSizeZ); |
| COPY_LIMIT(maxComputeWorkgroupsPerDimension); |
| #undef COPY_LIMIT |
| |
| return interop::GPUSupportedLimits::Create<GPUSupportedLimits>(env, wgpuLimits); |
| } |
| |
| bool GPUAdapter::getIsFallbackAdapter(Napi::Env) { |
| UNIMPLEMENTED(); |
| } |
| |
| interop::Promise<interop::Interface<interop::GPUDevice>> GPUAdapter::requestDevice( |
| Napi::Env env, |
| interop::GPUDeviceDescriptor descriptor) { |
| wgpu::DeviceDescriptor desc{}; // TODO(crbug.com/dawn/1133): Fill in. |
| interop::Promise<interop::Interface<interop::GPUDevice>> promise(env, PROMISE_INFO); |
| |
| std::vector<wgpu::FeatureName> requiredFeatures; |
| // See src/dawn_native/Features.cpp for enum <-> string mappings. |
| for (auto required : descriptor.requiredFeatures) { |
| switch (required) { |
| case interop::GPUFeatureName::kDepthClamping: |
| requiredFeatures.emplace_back(wgpu::FeatureName::DepthClamping); |
| continue; |
| case interop::GPUFeatureName::kPipelineStatisticsQuery: |
| requiredFeatures.emplace_back(wgpu::FeatureName::PipelineStatisticsQuery); |
| continue; |
| case interop::GPUFeatureName::kTextureCompressionBc: |
| requiredFeatures.emplace_back(wgpu::FeatureName::TextureCompressionBC); |
| continue; |
| case interop::GPUFeatureName::kTimestampQuery: |
| requiredFeatures.emplace_back(wgpu::FeatureName::TimestampQuery); |
| continue; |
| case interop::GPUFeatureName::kDepth24UnormStencil8: |
| case interop::GPUFeatureName::kDepth32FloatStencil8: |
| continue; // TODO(crbug.com/dawn/1130) |
| } |
| UNIMPLEMENTED("required: ", required); |
| } |
| |
| // Propogate enabled/disabled dawn features |
| // Note: DawnDeviceTogglesDescriptor::forceEnabledToggles and forceDisabledToggles are |
| // vectors of 'const char*', so we make sure the parsed strings survive the CreateDevice() |
| // call by storing them on the stack. |
| std::vector<std::string> enabledToggles; |
| std::vector<std::string> disabledToggles; |
| std::vector<const char*> forceEnabledToggles; |
| std::vector<const char*> forceDisabledToggles; |
| if (auto values = flags_.Get("enable-dawn-features")) { |
| enabledToggles = Split(*values, ','); |
| for (auto& t : enabledToggles) { |
| forceEnabledToggles.emplace_back(t.c_str()); |
| } |
| } |
| if (auto values = flags_.Get("disable-dawn-features")) { |
| disabledToggles = Split(*values, ','); |
| for (auto& t : disabledToggles) { |
| forceDisabledToggles.emplace_back(t.c_str()); |
| } |
| } |
| |
| desc.requiredFeaturesCount = requiredFeatures.size(); |
| desc.requiredFeatures = requiredFeatures.data(); |
| |
| DawnTogglesDeviceDescriptor togglesDesc = {}; |
| desc.nextInChain = &togglesDesc; |
| togglesDesc.forceEnabledTogglesCount = forceEnabledToggles.size(); |
| togglesDesc.forceEnabledToggles = forceEnabledToggles.data(); |
| togglesDesc.forceDisabledTogglesCount = forceDisabledToggles.size(); |
| togglesDesc.forceDisabledToggles = forceDisabledToggles.data(); |
| |
| auto wgpu_device = adapter_.CreateDevice(&desc); |
| if (wgpu_device) { |
| promise.Resolve(interop::GPUDevice::Create<GPUDevice>(env, env, wgpu_device)); |
| } else { |
| Napi::Error::New(env, "failed to create device").ThrowAsJavaScriptException(); |
| } |
| return promise; |
| } |
| } // namespace wgpu::binding |