1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CC_OUTPUT_OUTPUT_SURFACE_CLIENT_H_ 6 #define CC_OUTPUT_OUTPUT_SURFACE_CLIENT_H_ 7 8 #include "base/callback.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/time/time.h" 11 #include "cc/base/cc_export.h" 12 #include "cc/output/begin_frame_args.h" 13 #include "cc/output/context_provider.h" 14 #include "ui/gfx/rect.h" 15 16 namespace gfx { 17 class Transform; 18 } 19 20 namespace cc { 21 22 class CompositorFrameAck; 23 struct ManagedMemoryPolicy; 24 25 class CC_EXPORT OutputSurfaceClient { 26 public: 27 // Called to synchronously re-initialize using the Context3D. Upon returning 28 // the compositor should be able to draw using GL what was previously 29 // committed. 30 virtual bool DeferredInitialize( 31 scoped_refptr<ContextProvider> offscreen_context_provider) = 0; 32 virtual void ReleaseGL() = 0; 33 virtual void SetNeedsRedrawRect(gfx::Rect damage_rect) = 0; 34 virtual void BeginImplFrame(const BeginFrameArgs& args) = 0; 35 virtual void DidSwapBuffers() = 0; 36 virtual void OnSwapBuffersComplete() = 0; 37 virtual void ReclaimResources(const CompositorFrameAck* ack) = 0; 38 virtual void DidLoseOutputSurface() = 0; 39 virtual void SetExternalDrawConstraints(const gfx::Transform& transform, 40 gfx::Rect viewport, 41 gfx::Rect clip, 42 bool valid_for_tile_management) = 0; 43 virtual void SetMemoryPolicy(const ManagedMemoryPolicy& policy) = 0; 44 // If set, |callback| will be called subsequent to each new tree activation, 45 // regardless of the compositor visibility or damage. |callback| must remain 46 // valid for the lifetime of the OutputSurfaceClient or until unregisted -- 47 // use SetTreeActivationCallback(base::Closure()) to unregister it. 48 virtual void SetTreeActivationCallback(const base::Closure& callback) = 0; 49 50 protected: ~OutputSurfaceClient()51 virtual ~OutputSurfaceClient() {} 52 }; 53 54 } // namespace cc 55 56 #endif // CC_OUTPUT_OUTPUT_SURFACE_CLIENT_H_ 57