D3D: Support additional Surface formats.

And comment about the lack of StorageBinding.

Bug: 41479562
Change-Id: Id2f24c28eb21f2aa3d3fcf7c37b50a6b2360df49
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/200474
Reviewed-by: Loko Kung <[email protected]>
Reviewed-by: Brandon Jones <[email protected]>
Commit-Queue: Corentin Wallez <[email protected]>

src/dawn/native/d3d/PhysicalDeviceD3D.cpp

@@ -57,12 +57,18 @@ ResultOrError<PhysicalDeviceSurfaceCapabilities> PhysicalDevice::GetSurfaceCapab
     const Surface*) const {
     PhysicalDeviceSurfaceCapabilities capabilities;
 
+    // StorageBinding is not supported by DXGI swapchains.
     capabilities.usages = wgpu::TextureUsage::RenderAttachment |
                           wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopySrc |
                           wgpu::TextureUsage::CopyDst;
 
-    // This is the only supported format in native mode (see crbug.com/dawn/160).
-    capabilities.formats.push_back(wgpu::TextureFormat::BGRA8Unorm);
+    // The list of format allowed with the DXGI flip model.
+    capabilities.formats = {
+        wgpu::TextureFormat::BGRA8Unorm,
+        wgpu::TextureFormat::RGBA8Unorm,
+        wgpu::TextureFormat::RGBA16Float,
+        wgpu::TextureFormat::RGB10A2Unorm,
+    };
 
     capabilities.presentModes = {
         wgpu::PresentMode::Fifo,