third_party/WebKit/Source/platform/graphics/RecordingImageBufferSurface.h - Issue 2115493004: Make sure RecordingImageBufferSurface's current frame is valid

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Issue 2115493004: Make sure RecordingImageBufferSurface's current frame is valid (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 5 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	1 // Copyright 2014 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 RecordingImageBufferSurface_h	5 #ifndef RecordingImageBufferSurface_h

6 #define RecordingImageBufferSurface_h	6 #define RecordingImageBufferSurface_h

7	7

8 #include "platform/graphics/GraphicsContext.h"	8 #include "platform/graphics/GraphicsContext.h"

9 #include "platform/graphics/ImageBufferSurface.h"	9 #include "platform/graphics/ImageBufferSurface.h"

10 #include "public/platform/WebThread.h"	10 #include "public/platform/WebThread.h"

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84 FallbackReasonExpensiveOverdrawHeuristic = 14,	84 FallbackReasonExpensiveOverdrawHeuristic = 14,

85 FallbackReasonTextureBackedPattern = 15,	85 FallbackReasonTextureBackedPattern = 15,

86 FallbackReasonDrawImageOfVideo = 16,	86 FallbackReasonDrawImageOfVideo = 16,

87 FallbackReasonDrawImageOfAnimated2dCanvas = 17,	87 FallbackReasonDrawImageOfAnimated2dCanvas = 17,

88 FallbackReasonSubPixelTextAntiAliasingSupport = 18,	88 FallbackReasonSubPixelTextAntiAliasingSupport = 18,

89 FallbackReasonDrawImageWithTextureBackedSourceImage = 19,	89 FallbackReasonDrawImageWithTextureBackedSourceImage = 19,

90 FallbackReasonSnapshotForTransferToImageBitmap = 20,	90 FallbackReasonSnapshotForTransferToImageBitmap = 20,

91 FallbackReasonSnapshotForUnitTests = 21, // This value should never appe ar in production histograms	91 FallbackReasonSnapshotForUnitTests = 21, // This value should never appe ar in production histograms

92 FallbackReasonSnapshotGetCopiedImage = 22,	92 FallbackReasonSnapshotGetCopiedImage = 22,

93 FallbackReasonSnapshotWebGLDrawImageIntoBuffer = 23,	93 FallbackReasonSnapshotWebGLDrawImageIntoBuffer = 23,

	94 FallbackReasonCurrentFrameNull = 24,

94 FallbackReasonCount,	95 FallbackReasonCount,

95 };	96 };

96 private:	97 private:

97 friend class RecordingImageBufferSurfaceTest; // for unit testing	98 friend class RecordingImageBufferSurfaceTest; // for unit testing

98 void fallBackToRasterCanvas(FallbackReason);	99 void fallBackToRasterCanvas(FallbackReason);

99 void initializeCurrentFrame();	100 void initializeCurrentFrame();

100 bool finalizeFrameInternal(FallbackReason*);	101 bool finalizeFrameInternal(FallbackReason*);

101 int approximateOpCount();	102 int approximateOpCount();

102	103

103 std::unique_ptr<SkPictureRecorder> m_currentFrame;	104 std::unique_ptr<SkPictureRecorder> m_currentFrame;

104 RefPtr<SkPicture> m_previousFrame;	105 RefPtr<SkPicture> m_previousFrame;

105 std::unique_ptr<ImageBufferSurface> m_fallbackSurface;	106 std::unique_ptr<ImageBufferSurface> m_fallbackSurface;

106 ImageBuffer* m_imageBuffer;	107 ImageBuffer* m_imageBuffer;

107 int m_initialSaveCount;	108 int m_initialSaveCount;

108 int m_currentFramePixelCount;	109 int m_currentFramePixelCount;

109 int m_previousFramePixelCount;	110 int m_previousFramePixelCount;

110 bool m_frameWasCleared;	111 bool m_frameWasCleared;

111 bool m_didRecordDrawCommandsInCurrentFrame;	112 bool m_didRecordDrawCommandsInCurrentFrame;

112 bool m_currentFrameHasExpensiveOp;	113 bool m_currentFrameHasExpensiveOp;

113 bool m_previousFrameHasExpensiveOp;	114 bool m_previousFrameHasExpensiveOp;

114 std::unique_ptr<RecordingImageBufferFallbackSurfaceFactory> m_fallbackFactor y;	115 std::unique_ptr<RecordingImageBufferFallbackSurfaceFactory> m_fallbackFactor y;

115 };	116 };

116	117

117 } // namespace blink	118 } // namespace blink

118	119

119 #endif	120 #endif

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