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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ |
| 6 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | 6 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" |
| 8 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
| 9 #include "ui/gfx/rect.h" | 10 #include "ui/gfx/rect.h" |
| 10 #include "ui/gfx/size.h" | 11 #include "ui/gfx/size.h" |
| 11 | 12 |
| 12 class SkCanvas; | 13 class SkCanvas; |
| 13 | 14 |
| 14 namespace gfx { | 15 namespace gfx { |
| 16 class GLSurface; |
| 15 class Transform; | 17 class Transform; |
| 16 }; | 18 }; |
| 17 | 19 |
| 18 namespace content { | 20 namespace content { |
| 19 | 21 |
| 20 class WebContents; | 22 class WebContents; |
| 21 | 23 |
| 22 class SynchronousCompositorClient; | 24 class SynchronousCompositorClient; |
| 23 | 25 |
| 24 // Interface for embedders that wish to direct compositing operations | 26 // Interface for embedders that wish to direct compositing operations |
| 25 // synchronously under their own control. Only meaningful when the | 27 // synchronously under their own control. Only meaningful when the |
| 26 // kEnableSyncrhonousRendererCompositor flag is specified. | 28 // kEnableSyncrhonousRendererCompositor flag is specified. |
| 27 class CONTENT_EXPORT SynchronousCompositor { | 29 class CONTENT_EXPORT SynchronousCompositor { |
| 28 public: | 30 public: |
| 29 // Must be called once per WebContents instance. Will create the compositor | 31 // Must be called once per WebContents instance. Will create the compositor |
| 30 // instance as needed, but only if |client| is non-NULL. | 32 // instance as needed, but only if |client| is non-NULL. |
| 31 static void SetClientForWebContents(WebContents* contents, | 33 static void SetClientForWebContents(WebContents* contents, |
| 32 SynchronousCompositorClient* client); | 34 SynchronousCompositorClient* client); |
| 33 | 35 |
| 34 // Allows changing or resetting the client to NULL (this must be used if | 36 // Allows changing or resetting the client to NULL (this must be used if |
| 35 // the client is being deleted prior to the DidDestroyCompositor() call | 37 // the client is being deleted prior to the DidDestroyCompositor() call |
| 36 // being received by the client). Ownership of |client| remains with | 38 // being received by the client). Ownership of |client| remains with |
| 37 // the caller. | 39 // the caller. |
| 38 virtual void SetClient(SynchronousCompositorClient* client) = 0; | 40 virtual void SetClient(SynchronousCompositorClient* client) = 0; |
| 39 | 41 |
| 40 // Synchronously initialize compositor for hardware draw. Can only be called | 42 // Synchronously initialize compositor for hardware draw. Can only be called |
| 41 // while compositor is in software only mode, either after compositor is | 43 // while compositor is in software only mode, either after compositor is |
| 42 // first created or after ReleaseHwDraw is called. It is invalid to | 44 // first created or after ReleaseHwDraw is called. It is invalid to |
| 43 // DemandDrawHw before this returns true. | 45 // DemandDrawHw before this returns true. |surface| is the GLSurface that |
| 44 virtual bool InitializeHwDraw() = 0; | 46 // should be used to create the underlying hardware context. |
| 47 virtual bool InitializeHwDraw(scoped_refptr<gfx::GLSurface> surface) = 0; |
| 45 | 48 |
| 46 // Reverse of InitializeHwDraw above. Can only be called while hardware draw | 49 // Reverse of InitializeHwDraw above. Can only be called while hardware draw |
| 47 // is already initialized. Brings compositor back to software only mode and | 50 // is already initialized. Brings compositor back to software only mode and |
| 48 // releases all hardware resources. | 51 // releases all hardware resources. |
| 49 virtual void ReleaseHwDraw() = 0; | 52 virtual void ReleaseHwDraw() = 0; |
| 50 | 53 |
| 51 // "On demand" hardware draw. The content is first clipped to |damage_area|, | 54 // "On demand" hardware draw. The content is first clipped to |damage_area|, |
| 52 // then transformed through |transform|, and finally clipped to |view_size| | 55 // then transformed through |transform|, and finally clipped to |view_size| |
| 53 // and by the existing stencil buffer if any. | 56 // and by the existing stencil buffer if any. |
| 54 virtual bool DemandDrawHw( | 57 virtual bool DemandDrawHw( |
| (...skipping 11 matching lines...) Expand all Loading... |
| 66 // SynchronousCompositorClient::GetTotalRootLayerScrollOffset). | 69 // SynchronousCompositorClient::GetTotalRootLayerScrollOffset). |
| 67 virtual void DidChangeRootLayerScrollOffset() = 0; | 70 virtual void DidChangeRootLayerScrollOffset() = 0; |
| 68 | 71 |
| 69 protected: | 72 protected: |
| 70 virtual ~SynchronousCompositor() {} | 73 virtual ~SynchronousCompositor() {} |
| 71 }; | 74 }; |
| 72 | 75 |
| 73 } // namespace content | 76 } // namespace content |
| 74 | 77 |
| 75 #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | 78 #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ |
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