| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2013 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 CONTENT_PUBLIC_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | |
| 6 #define CONTENT_PUBLIC_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | |
| 7 | |
| 8 #include "ui/gfx/rect.h" | |
| 9 #include "ui/gfx/size.h" | |
| 10 | |
| 11 class SkCanvas; | |
| 12 | |
| 13 namespace gfx { | |
| 14 class Transform; | |
| 15 }; | |
| 16 | |
| 17 namespace content { | |
| 18 | |
| 19 class SynchronousCompositorClient; | |
| 20 | |
| 21 // Interface for embedders that wish to direct compositing operations | |
| 22 // synchronously under their own control. Only meaningful when the | |
| 23 // kEnableSyncrhonousRendererCompositor flag is specified. | |
| 24 class SynchronousCompositor { | |
| 25 public: | |
| 26 // Allows changing or resetting the client to NULL (this must be used if | |
| 27 // the client is being deleted prior to the DidDestroyCompositor() call | |
| 28 // being received by the client). Ownership of |client| remains with | |
| 29 // the caller. | |
| 30 virtual void SetClient(SynchronousCompositorClient* client) = 0; | |
| 31 | |
| 32 // Returns true if the compositor is fully initialized and ready to receive | |
| 33 // calls to DemandDrawHw(). | |
| 34 virtual bool IsHwReady() = 0; | |
| 35 | |
| 36 // "On demand" SW draw, into the supplied canvas (observing the transform | |
| 37 // and clip set there-in). | |
| 38 virtual bool DemandDrawSw(SkCanvas* canvas) = 0; | |
| 39 | |
| 40 // "On demand" hardware draw. The content is first clipped to |damage_area|, | |
| 41 // then transformed through |transform|, and finally clipped to |view_size|. | |
| 42 virtual bool DemandDrawHw( | |
| 43 gfx::Size view_size, | |
| 44 const gfx::Transform& transform, | |
| 45 gfx::Rect damage_area) = 0; | |
| 46 | |
| 47 protected: | |
| 48 virtual ~SynchronousCompositor() {} | |
| 49 }; | |
| 50 | |
| 51 } // namespace content | |
| 52 | |
| 53 #endif // CONTENT_PUBLIC_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | |
| OLD | NEW |