5 files changed, 11 insertions, 20 deletions
diff --git a/gfx/webrender_bindings/DCLayerTree.cpp b/gfx/webrender_bindings/DCLayerTree.cpp
index 177979a466..49ca8ee77b 100644
--- a/gfx/webrender_bindings/DCLayerTree.cpp
+++ b/gfx/webrender_bindings/DCLayerTree.cpp
@@ -70,8 +70,8 @@ UniquePtr<DCLayerTree> DCLayerTree::Create(gl::GLContext* aGL,
     return nullptr;
   }
 
-  auto layerTree =
-      MakeUnique<DCLayerTree>(aGL, aEGLConfig, aDevice, aCtx, dCompDevice);
+  auto layerTree = MakeUnique<DCLayerTree>(aGL, aEGLConfig, aDevice, aCtx,
+                                           aHwnd, dCompDevice);
   if (!layerTree->Initialize(aHwnd, aError)) {
     return nullptr;
   }
@@ -83,11 +83,12 @@ void DCLayerTree::Shutdown() { DCLayerTree::sGpuOverlayInfo = nullptr; }
 
 DCLayerTree::DCLayerTree(gl::GLContext* aGL, EGLConfig aEGLConfig,
                          ID3D11Device* aDevice, ID3D11DeviceContext* aCtx,
-                         IDCompositionDevice2* aCompositionDevice)
+                         HWND aHwnd, IDCompositionDevice2* aCompositionDevice)
     : mGL(aGL),
       mEGLConfig(aEGLConfig),
       mDevice(aDevice),
       mCtx(aCtx),
+      mHwnd(aHwnd),
       mCompositionDevice(aCompositionDevice),
       mDebugCounter(false),
       mDebugVisualRedrawRegions(false),
@@ -1358,7 +1359,8 @@ bool DCSurfaceVideo::CalculateSwapChainSize(gfx::Matrix& aTransform) {
       GetVpAutoHDRSupported(vendorId, mDCLayerTree->GetVideoContext(),
                             mDCLayerTree->GetVideoProcessor());
   const bool contentIsHDR = false;  // XXX for now, only non-HDR is supported.
-  const bool monitorIsHDR = gfx::DeviceManagerDx::Get()->SystemHDREnabled();
+  const bool monitorIsHDR =
+      gfx::DeviceManagerDx::Get()->WindowHDREnabled(mDCLayerTree->GetHwnd());
   const bool powerIsCharging = RenderThread::Get()->GetPowerIsCharging();
 
   bool useVpAutoHDR = gfx::gfxVars::WebRenderOverlayVpAutoHDR() &&
diff --git a/gfx/webrender_bindings/DCLayerTree.h b/gfx/webrender_bindings/DCLayerTree.h
index 6d3a611802..d5ade5781e 100644
--- a/gfx/webrender_bindings/DCLayerTree.h
+++ b/gfx/webrender_bindings/DCLayerTree.h
@@ -113,7 +113,7 @@ class DCLayerTree {
 
   explicit DCLayerTree(gl::GLContext* aGL, EGLConfig aEGLConfig,
                        ID3D11Device* aDevice, ID3D11DeviceContext* aCtx,
-                       IDCompositionDevice2* aCompositionDevice);
+                       HWND aHwnd, IDCompositionDevice2* aCompositionDevice);
   ~DCLayerTree();
 
   void SetDefaultSwapChain(IDXGISwapChain1* aSwapChain);
@@ -159,6 +159,8 @@ class DCLayerTree {
 
   DCSurface* GetSurface(wr::NativeSurfaceId aId) const;
 
+  HWND GetHwnd() const { return mHwnd; }
+
   // Get or create an FBO with depth buffer suitable for specified dimensions
   GLuint GetOrCreateFbo(int aWidth, int aHeight);
 
@@ -187,6 +189,7 @@ class DCLayerTree {
 
   RefPtr<ID3D11Device> mDevice;
   RefPtr<ID3D11DeviceContext> mCtx;
+  HWND mHwnd;
 
   RefPtr<IDCompositionDevice2> mCompositionDevice;
   RefPtr<IDCompositionTarget> mCompositionTarget;
diff --git a/gfx/webrender_bindings/src/bindings.rs b/gfx/webrender_bindings/src/bindings.rs
index 047791c76b..3fc93fdf13 100644
--- a/gfx/webrender_bindings/src/bindings.rs
+++ b/gfx/webrender_bindings/src/bindings.rs
@@ -31,15 +31,13 @@ use thin_vec::ThinVec;
 use euclid::SideOffsets2D;
 use moz2d_renderer::Moz2dBlobImageHandler;
 use nsstring::nsAString;
-use num_cpus;
 use program_cache::{remove_disk_cache, WrProgramCache};
-use rayon;
 use tracy_rs::register_thread_with_profiler;
 use webrender::sw_compositor::SwCompositor;
 use webrender::{
     api::units::*, api::*, create_webrender_instance, render_api::*, set_profiler_hooks, AsyncPropertySampler,
     AsyncScreenshotHandle, Compositor, CompositorCapabilities, CompositorConfig, CompositorSurfaceTransform,
-    DebugFlags, Device, MappableCompositor, MappedTileInfo, NativeSurfaceId, NativeSurfaceInfo, NativeTileId,
+    Device, MappableCompositor, MappedTileInfo, NativeSurfaceId, NativeSurfaceInfo, NativeTileId,
     PartialPresentCompositor, PipelineInfo, ProfilerHooks, RecordedFrameHandle, Renderer, RendererStats,
     SWGLCompositeSurfaceInfo, SceneBuilderHooks, ShaderPrecacheFlags, Shaders, SharedShaders, TextureCacheConfig,
     UploadMethod, WebRenderOptions, WindowVisibility, ONE_TIME_USAGE_HINT,
diff --git a/gfx/webrender_bindings/src/moz2d_renderer.rs b/gfx/webrender_bindings/src/moz2d_renderer.rs
index ca1e76f96f..10006319bb 100644
--- a/gfx/webrender_bindings/src/moz2d_renderer.rs
+++ b/gfx/webrender_bindings/src/moz2d_renderer.rs
@@ -19,7 +19,6 @@ use webrender::api::units::{BlobDirtyRect, BlobToDeviceTranslation, DeviceIntRec
 use webrender::api::*;
 
 use euclid::point2;
-use std;
 use std::collections::btree_map::BTreeMap;
 use std::collections::hash_map;
 use std::collections::hash_map::HashMap;
@@ -30,9 +29,6 @@ use std::os::raw::c_void;
 use std::ptr;
 use std::sync::Arc;
 
-#[cfg(target_os = "windows")]
-use dwrote;
-
 #[cfg(any(target_os = "macos", target_os = "ios"))]
 use core_foundation::string::CFString;
 #[cfg(any(target_os = "macos", target_os = "ios"))]
@@ -182,12 +178,6 @@ struct BlobReader<'a> {
     begin: usize,
 }
 
-#[derive(PartialEq, Debug, Eq, Clone, Copy)]
-struct IntPoint {
-    x: i32,
-    y: i32,
-}
-
 /// The metadata for each display item in a blob image (doesn't match the serialized layout).
 ///
 /// See BlobReader above for detailed docs of the blob image format.
diff --git a/gfx/webrender_bindings/src/program_cache.rs b/gfx/webrender_bindings/src/program_cache.rs
index 5db61fc8b5..d5ad21654f 100644
--- a/gfx/webrender_bindings/src/program_cache.rs
+++ b/gfx/webrender_bindings/src/program_cache.rs
@@ -11,8 +11,6 @@ use std::path::{Path, PathBuf};
 use std::rc::Rc;
 use std::sync::Arc;
 
-use bincode;
-use fxhash;
 use nsstring::nsAString;
 use rayon::ThreadPool;
 use webrender::{ProgramBinary, ProgramCache, ProgramCacheObserver, ProgramSourceDigest};