Remove notion of default rendertarget. This doesn't map well to usage patterns outside sample app. Make binding between SkGpuDevice and a GrRenderTarget more explicit. Create method on GrContext to wrap the current target in the 3D API with a GrRenderTarget.

git-svn-id: http://skia.googlecode.com/svn/trunk@706 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 8 insertions, 1 deletions

diff --git a/include/gpu/SkGpuDeviceFactory.h b/include/gpu/SkGpuDeviceFactory.h
index dd57da2c75..5dcba6a293 100644
--- a/include/gpu/SkGpuDeviceFactory.h
+++ b/include/gpu/SkGpuDeviceFactory.h
@@ -26,8 +26,14 @@ public:
     /**
      *  The constructor will ref() the context, passing it to each device
      *  that it creates. It will be unref()'d in the destructor
+     *  Non-layered devices created by the factory will draw to the
+     *  rootRenderTarget. rootRenderTarget is ref-counted by the factory.
+     *  SkGpuDevice::Current3DApiRenderTarget() can be passed as a special
+     *  value that will cause the factory to create a render target object
+     *  that reflects the state of the underlying 3D API at the time of
+     *  construction.
      */
-    SkGpuDeviceFactory(GrContext*);
+    SkGpuDeviceFactory(GrContext*, GrRenderTarget* rootRenderTarget);
 
     virtual ~SkGpuDeviceFactory();
 
@@ -36,6 +42,7 @@ public:
 
 private:
     GrContext* fContext;
+    GrRenderTarget* fRootRenderTarget;
 };
 
 #endif