2 files changed, 15 insertions, 0 deletions
diff --git a/gfx/src/nsDeviceContext.cpp b/gfx/src/nsDeviceContext.cpp
index 28b2c34652..2bb53010a8 100644
--- a/gfx/src/nsDeviceContext.cpp
+++ b/gfx/src/nsDeviceContext.cpp
@@ -208,6 +208,16 @@ uint16_t nsDeviceContext::GetScreenOrientationAngle() {
   return screen->GetOrientationAngle();
 }
 
+bool nsDeviceContext::GetScreenIsHDR() {
+  RefPtr<widget::Screen> screen = FindScreen();
+  if (!screen) {
+    auto& screenManager = ScreenManager::GetSingleton();
+    screen = screenManager.GetPrimaryScreen();
+    MOZ_ASSERT(screen);
+  }
+  return screen->GetIsHDR();
+}
+
 nsresult nsDeviceContext::GetDeviceSurfaceDimensions(nscoord& aWidth,
                                                      nscoord& aHeight) {
   if (IsPrinterContext()) {
diff --git a/gfx/src/nsDeviceContext.h b/gfx/src/nsDeviceContext.h
index 5238c1f71d..7bf7a6aee2 100644
--- a/gfx/src/nsDeviceContext.h
+++ b/gfx/src/nsDeviceContext.h
@@ -150,6 +150,11 @@ class nsDeviceContext final {
   uint16_t GetScreenOrientationAngle();
 
   /**
+   * Get the status of HDR support of the associated screen.
+   */
+  bool GetScreenIsHDR();
+
+  /**
    * Get the size of the displayable area of the output device
    * in app units.
    * @param aWidth out parameter for width