Bug 1781122 Part 1: Make ChromiumCDMParent mark its Images as DRM. r=media-playback-reviewers,gfx-reviewers,alwu,sotaro

This also modifies Image to track whether or not it is from a DRM source.
Later parts of the patch move this characteristic into the textures that
are used by compositors.

Differential Revision: https://phabricator.services.mozilla.com/D155295

dom/media/gmp/ChromiumCDMParent.cpp

@@ -974,6 +974,9 @@ already_AddRefed<VideoData> ChromiumCDMParent::CreateVideoFrame(
       media::TimeUnit::FromMicroseconds(aFrame.mDuration()), b, false,
       media::TimeUnit::FromMicroseconds(-1), pictureRegion, mKnowsCompositor);
 
+  // This is a DRM image.
+  v->mImage->SetIsDRM(true);
+
   return v.forget();
 }
 

gfx/layers/ImageContainer.h

@@ -121,6 +121,9 @@ class Image {
 
   int32_t GetSerial() const { return mSerial; }
 
+  bool IsDRM() const { return mIsDRM; }
+  void SetIsDRM(bool aIsDRM) { mIsDRM = aIsDRM; }
+
   virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() = 0;
 
   virtual bool IsValid() const { return true; }
@@ -155,7 +158,10 @@ class Image {
       TextureClient* tcOverride = nullptr);
 
   Image(void* aImplData, ImageFormat aFormat)
-      : mImplData(aImplData), mSerial(++sSerialCounter), mFormat(aFormat) {}
+      : mImplData(aImplData),
+        mSerial(++sSerialCounter),
+        mFormat(aFormat),
+        mIsDRM(false) {}
 
   // Protected destructor, to discourage deletion outside of Release():
   virtual ~Image() = default;
@@ -168,6 +174,7 @@ class Image {
   void* mImplData;
   int32_t mSerial;
   ImageFormat mFormat;
+  bool mIsDRM;
 
   static mozilla::Atomic<int32_t> sSerialCounter;
 };