Implement querying WGPUDeviceProperties from dawn_native::Adapter

This patch adds an interface GetAdapterProperties() on Adapter which can
directly return a WGPUDeviceProperties object that includes the
information of the adapter.

BUG=chromium:996713

Change-Id: I9a7b1512d259761e198dfac3eafa718171d47241
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/13340
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>

src/dawn_native/Adapter.cpp

@@ -56,6 +56,13 @@ namespace dawn_native {
         return true;
     }
 
+    WGPUDeviceProperties AdapterBase::GetAdapterProperties() const {
+        WGPUDeviceProperties adapterProperties = {};
+
+        mSupportedExtensions.InitializeDeviceProperties(&adapterProperties);
+        return adapterProperties;
+    }
+
     DeviceBase* AdapterBase::CreateDevice(const DeviceDescriptor* descriptor) {
         DeviceBase* result = nullptr;
 

src/dawn_native/Adapter.h

@@ -39,6 +39,7 @@ namespace dawn_native {
         ExtensionsSet GetSupportedExtensions() const;
         bool SupportsAllRequestedExtensions(
             const std::vector<const char*>& requestedExtensions) const;
+        WGPUDeviceProperties GetAdapterProperties() const;
 
       protected:
         PCIInfo mPCIInfo = {};

src/dawn_native/DawnNative.cpp

@@ -61,6 +61,10 @@ namespace dawn_native {
         return supportedExtensionsSet.GetEnabledExtensionNames();
     }
 
+    WGPUDeviceProperties Adapter::GetAdapterProperties() const {
+        return mImpl->GetAdapterProperties();
+    }
+
     Adapter::operator bool() const {
         return mImpl != nullptr;
     }

src/dawn_native/Extensions.cpp

@@ -24,6 +24,7 @@ namespace dawn_native {
         struct ExtensionEnumAndInfo {
             Extension extension;
             ExtensionInfo info;
+            bool WGPUDeviceProperties::*memberInWGPUDeviceProperties;
         };
 
         using ExtensionEnumAndInfoList =
@@ -32,7 +33,8 @@ namespace dawn_native {
         static constexpr ExtensionEnumAndInfoList kExtensionNameAndInfoList = {
             {{Extension::TextureCompressionBC,
               {"texture_compression_bc", "Support Block Compressed (BC) texture formats",
-               "https://bugs.chromium.org/p/dawn/issues/detail?id=42"}}}};
+               "https://bugs.chromium.org/p/dawn/issues/detail?id=42"},
+              &WGPUDeviceProperties::textureCompressionBC}}};
 
     }  // anonymous namespace
 
@@ -60,6 +62,14 @@ namespace dawn_native {
         return enabledExtensionNames;
     }
 
+    void ExtensionsSet::InitializeDeviceProperties(WGPUDeviceProperties* properties) const {
+        ASSERT(properties != nullptr);
+
+        for (uint32_t i : IterateBitSet(extensionsBitSet)) {
+            properties->*(kExtensionNameAndInfoList[i].memberInWGPUDeviceProperties) = true;
+        }
+    }
+
     const char* ExtensionEnumToName(Extension extension) {
         ASSERT(extension != Extension::InvalidEnum);
 

src/dawn_native/Extensions.h

@@ -39,6 +39,7 @@ namespace dawn_native {
         void EnableExtension(Extension extension);
         bool IsEnabled(Extension extension) const;
         std::vector<const char*> GetEnabledExtensionNames() const;
+        void InitializeDeviceProperties(WGPUDeviceProperties* properties) const;
     };
 
     const char* ExtensionEnumToName(Extension extension);

src/include/dawn_native/DawnNative.h

@@ -90,6 +90,7 @@ namespace dawn_native {
         DeviceType GetDeviceType() const;
         const PCIInfo& GetPCIInfo() const;
         std::vector<const char*> GetSupportedExtensions() const;
+        WGPUDeviceProperties GetAdapterProperties() const;
 
         explicit operator bool() const;