sky/engine/platform/graphics/gpu/WebGLImageBufferSurface.h - Issue 1229113003: Remove some unneeded DEPS from //sky

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Issue 1229113003: Remove some unneeded DEPS from //sky (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 5 years, 5 months ago

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1 /*

2 * Copyright (c) 2013, Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef SKY_ENGINE_PLATFORM_GRAPHICS_GPU_WEBGLIMAGEBUFFERSURFACE_H_

32 #define SKY_ENGINE_PLATFORM_GRAPHICS_GPU_WEBGLIMAGEBUFFERSURFACE_H_

33

34 #include "sky/engine/platform/graphics/ImageBufferSurface.h"

35 #include "sky/engine/wtf/OwnPtr.h"

36 #include "third_party/skia/include/core/SkBitmap.h"

37

38 namespace blink {

39

40 class WebGraphicsContext3DProvider;

41

42 // This is a GPU backed surface that has no canvas or render target.

43 class PLATFORM_EXPORT WebGLImageBufferSurface : public ImageBufferSurface {

44 WTF_MAKE_NONCOPYABLE(WebGLImageBufferSurface); WTF_MAKE_FAST_ALLOCATED;

45 public:

46 WebGLImageBufferSurface(const IntSize&, OpacityMode = NonOpaque);

47 virtual ~WebGLImageBufferSurface();

48

49 virtual SkCanvas* canvas() const override { return 0; }

50 virtual const SkBitmap& bitmap() override { return m_bitmap; }

51 virtual bool isValid() const override { return m_bitmap.pixelRef(); }

52 virtual bool isAccelerated() const override { return true; }

53 virtual Platform3DObject getBackingTexture() const override;

54 virtual bool cachedBitmapEnabled() const override { return true; }

55 virtual const SkBitmap& cachedBitmap() const override { return m_cachedBitma p; }

56 virtual void invalidateCachedBitmap() override;

57 virtual void updateCachedBitmapIfNeeded() override;

58

59 private:

60 SkBitmap m_bitmap;

61 // This raw-pixel based SkBitmap works as a cache at CPU side to avoid heavy cost

62 // on readback from GPU side to CPU side in some cases.

63 SkBitmap m_cachedBitmap;

64 OwnPtr<WebGraphicsContext3DProvider> m_contextProvider;

65 };

66

67 } // namespace blink

68

69 #endif // SKY_ENGINE_PLATFORM_GRAPHICS_GPU_WEBGLIMAGEBUFFERSURFACE_H_

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