| // Copyright 2019 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 "dawn/native/Features.h" |
| |
| #include <array> |
| #include <utility> |
| |
| #include "dawn/common/Assert.h" |
| #include "dawn/common/BitSetIterator.h" |
| |
| namespace dawn::native { |
| namespace { |
| |
| struct FeatureEnumAndInfo { |
| Feature feature; |
| FeatureInfo info; |
| }; |
| |
| using FeatureEnumAndInfoList = |
| std::array<FeatureEnumAndInfo, static_cast<size_t>(Feature::EnumCount)>; |
| |
| static constexpr FeatureEnumAndInfoList kFeatureNameAndInfoList = {{ |
| {Feature::TextureCompressionBC, |
| {"texture-compression-bc", "Support Block Compressed (BC) texture formats", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=42", FeatureInfo::FeatureState::Stable}}, |
| {Feature::TextureCompressionETC2, |
| {"texture-compression-etc2", |
| "Support Ericsson Texture Compressed (ETC2/EAC) texture " |
| "formats", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=955", FeatureInfo::FeatureState::Stable}}, |
| {Feature::TextureCompressionASTC, |
| {"texture-compression-astc", |
| "Support Adaptable Scalable Texture Compressed (ASTC) " |
| "texture formats", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=955", FeatureInfo::FeatureState::Stable}}, |
| {Feature::PipelineStatisticsQuery, |
| {"pipeline-statistics-query", "Support Pipeline Statistics Query", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=434", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::TimestampQuery, |
| {"timestamp-query", "Support Timestamp Query", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=434", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::TimestampQueryInsidePasses, |
| {"timestamp-query-inside-passes", "Support Timestamp Query inside render/compute pass", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=434", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::DepthClipControl, |
| {"depth-clip-control", "Disable depth clipping of primitives to the clip volume", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1178", FeatureInfo::FeatureState::Stable}}, |
| {Feature::Depth32FloatStencil8, |
| {"depth32float-stencil8", "Support depth32float-stencil8 texture format", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=690", FeatureInfo::FeatureState::Stable}}, |
| {Feature::ChromiumExperimentalDp4a, |
| {"chromium-experimental-dp4a", "Support experimental DP4a instructions in WGSL", |
| "https://bugs.chromium.org/p/tint/issues/detail?id=1497", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::IndirectFirstInstance, |
| {"indirect-first-instance", "Support non-zero first instance values on indirect draw calls", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1197", FeatureInfo::FeatureState::Stable}}, |
| {Feature::ShaderF16, |
| {"shader-f16", "Supports the \"enable f16;\" directive in WGSL", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1510", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::RG11B10UfloatRenderable, |
| {"rg11b10ufloat-renderable", |
| "Allows the RENDER_ATTACHMENT usage on textures with format \"rg11b10ufloat\", and also " |
| "allows textures of that format to be multisampled.", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1518", FeatureInfo::FeatureState::Stable}}, |
| {Feature::BGRA8UnormStorage, |
| {"bgra8unorm-storage", "Allows the STORAGE usage on textures with format \"bgra8unorm\".", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1591", FeatureInfo::FeatureState::Stable}}, |
| {Feature::Float32Filterable, |
| {"float32-filterable", |
| "Allows textures with formats \"r32float\" \"rg32float\" and \"rgba32float\" to be filtered.", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1664", |
| FeatureInfo::FeatureState::Experimental}}, |
| {Feature::DawnInternalUsages, |
| {"dawn-internal-usages", |
| "Add internal usages to resources to affect how the texture is allocated, but not " |
| "frontend validation. Other internal commands may access this usage.", |
| "https://dawn.googlesource.com/dawn/+/refs/heads/main/docs/dawn/features/" |
| "dawn_internal_usages.md", |
| FeatureInfo::FeatureState::Stable}}, |
| {Feature::MultiPlanarFormats, |
| {"multiplanar-formats", "Import and use multi-planar texture formats with per plane views", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=551", FeatureInfo::FeatureState::Stable}}, |
| {Feature::DawnNative, |
| {"dawn-native", "WebGPU is running on top of dawn_native.", |
| "https://dawn.googlesource.com/dawn/+/refs/heads/main/docs/dawn/features/" |
| "dawn_native.md", |
| FeatureInfo::FeatureState::Stable}}, |
| {Feature::ImplicitDeviceSynchronization, |
| {"implicit-device-sync", |
| "Public API methods (except encoding) will have implicit device synchronization. So they " |
| "will be safe to be used on multiple threads.", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1662", FeatureInfo::FeatureState::Stable}}, |
| {Feature::SurfaceCapabilities, |
| {"surface-capabilities", |
| "Support querying Surface's capabilities such as supported usage flags. This feature also " |
| "enables swap chain to be created with usage other than RenderAttachment.", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1760", FeatureInfo::FeatureState::Stable}}, |
| {Feature::TransientAttachments, |
| {"transient-attachments", |
| "Support transient attachments that allow render pass operations to stay in tile memory, " |
| "avoiding VRAM traffic and potentially avoiding VRAM allocation for the textures.", |
| "https://bugs.chromium.org/p/dawn/issues/detail?id=1695", FeatureInfo::FeatureState::Stable}}, |
| }}; |
| |
| Feature FromAPIFeature(wgpu::FeatureName feature) { |
| switch (feature) { |
| case wgpu::FeatureName::Undefined: |
| return Feature::InvalidEnum; |
| case wgpu::FeatureName::DawnShaderFloat16: |
| // Deprecated. |
| return Feature::InvalidEnum; |
| |
| case wgpu::FeatureName::TimestampQuery: |
| return Feature::TimestampQuery; |
| case wgpu::FeatureName::TimestampQueryInsidePasses: |
| return Feature::TimestampQueryInsidePasses; |
| case wgpu::FeatureName::PipelineStatisticsQuery: |
| return Feature::PipelineStatisticsQuery; |
| case wgpu::FeatureName::TextureCompressionBC: |
| return Feature::TextureCompressionBC; |
| case wgpu::FeatureName::TextureCompressionETC2: |
| return Feature::TextureCompressionETC2; |
| case wgpu::FeatureName::TextureCompressionASTC: |
| return Feature::TextureCompressionASTC; |
| case wgpu::FeatureName::DepthClipControl: |
| return Feature::DepthClipControl; |
| case wgpu::FeatureName::Depth32FloatStencil8: |
| return Feature::Depth32FloatStencil8; |
| case wgpu::FeatureName::IndirectFirstInstance: |
| return Feature::IndirectFirstInstance; |
| case wgpu::FeatureName::DawnInternalUsages: |
| return Feature::DawnInternalUsages; |
| case wgpu::FeatureName::DawnMultiPlanarFormats: |
| return Feature::MultiPlanarFormats; |
| case wgpu::FeatureName::DawnNative: |
| return Feature::DawnNative; |
| case wgpu::FeatureName::ChromiumExperimentalDp4a: |
| return Feature::ChromiumExperimentalDp4a; |
| case wgpu::FeatureName::ShaderF16: |
| return Feature::ShaderF16; |
| case wgpu::FeatureName::RG11B10UfloatRenderable: |
| return Feature::RG11B10UfloatRenderable; |
| case wgpu::FeatureName::BGRA8UnormStorage: |
| return Feature::BGRA8UnormStorage; |
| case wgpu::FeatureName::ImplicitDeviceSynchronization: |
| return Feature::ImplicitDeviceSynchronization; |
| case wgpu::FeatureName::SurfaceCapabilities: |
| return Feature::SurfaceCapabilities; |
| case wgpu::FeatureName::TransientAttachments: |
| return Feature::TransientAttachments; |
| case wgpu::FeatureName::Float32Filterable: |
| return Feature::Float32Filterable; |
| } |
| return Feature::InvalidEnum; |
| } |
| |
| wgpu::FeatureName ToAPIFeature(Feature feature) { |
| switch (feature) { |
| case Feature::TextureCompressionBC: |
| return wgpu::FeatureName::TextureCompressionBC; |
| case Feature::TextureCompressionETC2: |
| return wgpu::FeatureName::TextureCompressionETC2; |
| case Feature::TextureCompressionASTC: |
| return wgpu::FeatureName::TextureCompressionASTC; |
| case Feature::PipelineStatisticsQuery: |
| return wgpu::FeatureName::PipelineStatisticsQuery; |
| case Feature::TimestampQuery: |
| return wgpu::FeatureName::TimestampQuery; |
| case Feature::TimestampQueryInsidePasses: |
| return wgpu::FeatureName::TimestampQueryInsidePasses; |
| case Feature::DepthClipControl: |
| return wgpu::FeatureName::DepthClipControl; |
| case Feature::Depth32FloatStencil8: |
| return wgpu::FeatureName::Depth32FloatStencil8; |
| case Feature::IndirectFirstInstance: |
| return wgpu::FeatureName::IndirectFirstInstance; |
| case Feature::DawnInternalUsages: |
| return wgpu::FeatureName::DawnInternalUsages; |
| case Feature::MultiPlanarFormats: |
| return wgpu::FeatureName::DawnMultiPlanarFormats; |
| case Feature::DawnNative: |
| return wgpu::FeatureName::DawnNative; |
| case Feature::ChromiumExperimentalDp4a: |
| return wgpu::FeatureName::ChromiumExperimentalDp4a; |
| case Feature::ShaderF16: |
| return wgpu::FeatureName::ShaderF16; |
| case Feature::RG11B10UfloatRenderable: |
| return wgpu::FeatureName::RG11B10UfloatRenderable; |
| case Feature::BGRA8UnormStorage: |
| return wgpu::FeatureName::BGRA8UnormStorage; |
| case Feature::ImplicitDeviceSynchronization: |
| return wgpu::FeatureName::ImplicitDeviceSynchronization; |
| case Feature::SurfaceCapabilities: |
| return wgpu::FeatureName::SurfaceCapabilities; |
| case Feature::TransientAttachments: |
| return wgpu::FeatureName::TransientAttachments; |
| case Feature::Float32Filterable: |
| return wgpu::FeatureName::Float32Filterable; |
| |
| case Feature::EnumCount: |
| break; |
| } |
| UNREACHABLE(); |
| } |
| |
| } // anonymous namespace |
| |
| void FeaturesSet::EnableFeature(Feature feature) { |
| ASSERT(feature != Feature::InvalidEnum); |
| const size_t featureIndex = static_cast<size_t>(feature); |
| featuresBitSet.set(featureIndex); |
| } |
| |
| void FeaturesSet::EnableFeature(wgpu::FeatureName feature) { |
| EnableFeature(FromAPIFeature(feature)); |
| } |
| |
| bool FeaturesSet::IsEnabled(Feature feature) const { |
| ASSERT(feature != Feature::InvalidEnum); |
| const size_t featureIndex = static_cast<size_t>(feature); |
| return featuresBitSet[featureIndex]; |
| } |
| |
| bool FeaturesSet::IsEnabled(wgpu::FeatureName feature) const { |
| Feature f = FromAPIFeature(feature); |
| return f != Feature::InvalidEnum && IsEnabled(f); |
| } |
| |
| size_t FeaturesSet::EnumerateFeatures(wgpu::FeatureName* features) const { |
| for (uint32_t i : IterateBitSet(featuresBitSet)) { |
| wgpu::FeatureName feature = ToAPIFeature(static_cast<Feature>(i)); |
| if (features != nullptr) { |
| *features = feature; |
| features += 1; |
| } |
| } |
| return featuresBitSet.count(); |
| } |
| |
| std::vector<const char*> FeaturesSet::GetEnabledFeatureNames() const { |
| std::vector<const char*> enabledFeatureNames(featuresBitSet.count()); |
| |
| uint32_t index = 0; |
| for (uint32_t i : IterateBitSet(featuresBitSet)) { |
| Feature feature = static_cast<Feature>(i); |
| ASSERT(feature != Feature::InvalidEnum); |
| |
| const FeatureEnumAndInfo& featureNameAndInfo = kFeatureNameAndInfoList[i]; |
| ASSERT(featureNameAndInfo.feature == feature); |
| |
| enabledFeatureNames[index] = featureNameAndInfo.info.name; |
| ++index; |
| } |
| return enabledFeatureNames; |
| } |
| |
| wgpu::FeatureName FeatureEnumToAPIFeature(Feature feature) { |
| ASSERT(feature != Feature::InvalidEnum); |
| return ToAPIFeature(feature); |
| } |
| |
| FeaturesInfo::FeaturesInfo() { |
| for (size_t index = 0; index < kFeatureNameAndInfoList.size(); ++index) { |
| const FeatureEnumAndInfo& featureNameAndInfo = kFeatureNameAndInfoList[index]; |
| ASSERT(index == static_cast<size_t>(featureNameAndInfo.feature)); |
| mFeatureNameToEnumMap[featureNameAndInfo.info.name] = featureNameAndInfo.feature; |
| } |
| } |
| |
| FeaturesInfo::~FeaturesInfo() = default; |
| |
| const FeatureInfo* FeaturesInfo::GetFeatureInfo(wgpu::FeatureName feature) const { |
| Feature f = FromAPIFeature(feature); |
| if (f == Feature::InvalidEnum) { |
| return nullptr; |
| } |
| return &kFeatureNameAndInfoList[static_cast<size_t>(f)].info; |
| } |
| |
| Feature FeaturesInfo::FeatureNameToEnum(const char* featureName) const { |
| ASSERT(featureName); |
| |
| const auto& iter = mFeatureNameToEnumMap.find(featureName); |
| if (iter != mFeatureNameToEnumMap.cend()) { |
| return kFeatureNameAndInfoList[static_cast<size_t>(iter->second)].feature; |
| } |
| return Feature::InvalidEnum; |
| } |
| |
| wgpu::FeatureName FeaturesInfo::FeatureNameToAPIEnum(const char* featureName) const { |
| Feature f = FeatureNameToEnum(featureName); |
| if (f != Feature::InvalidEnum) { |
| return ToAPIFeature(f); |
| } |
| // Pass something invalid. |
| return static_cast<wgpu::FeatureName>(-1); |
| } |
| |
| } // namespace dawn::native |
