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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 "base/memory/ref_counted.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 #include "gpu/command_buffer/service/in_process_command_buffer.h" | 10 #include "gpu/command_buffer/service/in_process_command_buffer.h" |
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24 | 24 |
25 namespace gpu { | 25 namespace gpu { |
26 class GLInProcessContext; | 26 class GLInProcessContext; |
27 } | 27 } |
28 | 28 |
29 namespace content { | 29 namespace content { |
30 | 30 |
31 class SynchronousCompositorClient; | 31 class SynchronousCompositorClient; |
32 class WebContents; | 32 class WebContents; |
33 | 33 |
34 struct CONTENT_EXPORT SynchronousCompositorMemoryPolicy { | |
35 // Memory limit for rendering and pre-rendering. | |
36 size_t bytes_limit; | |
37 | |
38 // Limit of number of GL resources used for rendering and pre-rendering. | |
39 size_t num_resources_limit; | |
40 | |
41 SynchronousCompositorMemoryPolicy(); | |
42 | |
43 bool operator==(const SynchronousCompositorMemoryPolicy& other) const; | |
44 bool operator!=(const SynchronousCompositorMemoryPolicy& other) const; | |
45 }; | |
46 | |
47 // Interface for embedders that wish to direct compositing operations | 34 // Interface for embedders that wish to direct compositing operations |
48 // synchronously under their own control. Only meaningful when the | 35 // synchronously under their own control. Only meaningful when the |
49 // kEnableSyncrhonousRendererCompositor flag is specified. | 36 // kEnableSyncrhonousRendererCompositor flag is specified. |
50 class CONTENT_EXPORT SynchronousCompositor { | 37 class CONTENT_EXPORT SynchronousCompositor { |
51 public: | 38 public: |
52 // Must be called once per WebContents instance. Will create the compositor | 39 // Must be called once per WebContents instance. Will create the compositor |
53 // instance as needed, but only if |client| is non-NULL. | 40 // instance as needed, but only if |client| is non-NULL. |
54 static void SetClientForWebContents(WebContents* contents, | 41 static void SetClientForWebContents(WebContents* contents, |
55 SynchronousCompositorClient* client); | 42 SynchronousCompositorClient* client); |
56 | 43 |
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92 | 79 |
93 // For delegated rendering, return resources from parent compositor to this. | 80 // For delegated rendering, return resources from parent compositor to this. |
94 // Note that all resources must be returned before ReleaseHwDraw. | 81 // Note that all resources must be returned before ReleaseHwDraw. |
95 virtual void ReturnResources(const cc::CompositorFrameAck& frame_ack) = 0; | 82 virtual void ReturnResources(const cc::CompositorFrameAck& frame_ack) = 0; |
96 | 83 |
97 // "On demand" SW draw, into the supplied canvas (observing the transform | 84 // "On demand" SW draw, into the supplied canvas (observing the transform |
98 // and clip set there-in). | 85 // and clip set there-in). |
99 virtual bool DemandDrawSw(SkCanvas* canvas) = 0; | 86 virtual bool DemandDrawSw(SkCanvas* canvas) = 0; |
100 | 87 |
101 // Set the memory limit policy of this compositor. | 88 // Set the memory limit policy of this compositor. |
102 virtual void SetMemoryPolicy( | 89 virtual void SetMemoryPolicy(size_t bytes_limit) = 0; |
103 const SynchronousCompositorMemoryPolicy& policy) = 0; | |
104 | 90 |
105 // Should be called by the embedder after the embedder had modified the | 91 // Should be called by the embedder after the embedder had modified the |
106 // scroll offset of the root layer (as returned by | 92 // scroll offset of the root layer (as returned by |
107 // SynchronousCompositorClient::GetTotalRootLayerScrollOffset). | 93 // SynchronousCompositorClient::GetTotalRootLayerScrollOffset). |
108 virtual void DidChangeRootLayerScrollOffset() = 0; | 94 virtual void DidChangeRootLayerScrollOffset() = 0; |
109 | 95 |
110 protected: | 96 protected: |
111 virtual ~SynchronousCompositor() {} | 97 virtual ~SynchronousCompositor() {} |
112 }; | 98 }; |
113 | 99 |
114 } // namespace content | 100 } // namespace content |
115 | 101 |
116 #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ | 102 #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_ |
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