Add D3D9 support to the GPU process. (bug 1297182 part 2, r=mattwoodrow)

--HG--
extra : rebase_source : 95364a97c1f0a65eab60f34f64caa8f149e1dbce

gfx/ipc/GPUParent.cpp

@@ -18,6 +18,7 @@
 #include "VRManagerParent.h"
 #include "VsyncBridgeParent.h"
 #if defined(XP_WIN)
+# include "DeviceManagerD3D9.h"
 # include "mozilla/gfx/DeviceManagerD3D11.h"
 #endif
 
@@ -50,6 +51,7 @@ GPUParent::Init(base::ProcessId aParentPid,
   gfxVars::Initialize();
 #if defined(XP_WIN)
   DeviceManagerD3D11::Init();
+  DeviceManagerD3D9::Init();
 #endif
   CompositorThreadHolder::Start();
   VRManager::ManagerInit();
@@ -224,8 +226,7 @@ GPUParent::ActorDestroy(ActorDestroyReason aWhy)
 
 #ifndef NS_FREE_PERMANENT_DATA
   // No point in going through XPCOM shutdown because we don't keep persistent
-  // state. Currently we quick-exit in RecvBeginShutdown so this should be
-  // unreachable.
+  // state.
   ProcessChild::QuickExit();
 #endif
 
@@ -235,6 +236,7 @@ GPUParent::ActorDestroy(ActorDestroyReason aWhy)
   CompositorThreadHolder::Shutdown();
 #if defined(XP_WIN)
   DeviceManagerD3D11::Shutdown();
+  DeviceManagerD3D9::Shutdown();
 #endif
   gfxVars::Shutdown();
   gfxConfig::Shutdown();

gfx/thebes/gfxPlatform.cpp

@@ -2249,6 +2249,10 @@ gfxPlatform::GetScaledFontForFontWithCairoSkia(DrawTarget* aTarget, gfxFont* aFo
 /* static */ bool
 gfxPlatform::UsesOffMainThreadCompositing()
 {
+  if (XRE_GetProcessType() == GeckoProcessType_GPU) {
+    return true;
+  }
+
   static bool firstTime = true;
   static bool result = false;