Index: third_party/WebKit/Source/platform/graphics/SkiaTextureHolder.h |
diff --git a/third_party/WebKit/Source/platform/graphics/SkiaTextureHolder.h b/third_party/WebKit/Source/platform/graphics/SkiaTextureHolder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6bfdaefebf2618424bf52474e32c813691d8f541 |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/graphics/SkiaTextureHolder.h |
@@ -0,0 +1,50 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef SkiaTextureHolder_h |
+#define SkiaTextureHolder_h |
+ |
+#include "platform/PlatformExport.h" |
+#include "platform/graphics/TextureHolder.h" |
+ |
+namespace blink { |
+ |
+class PLATFORM_EXPORT SkiaTextureHolder final : public TextureHolder { |
+ public: |
+ ~SkiaTextureHolder() override; |
+ |
+ bool isSkiaTextureHolder() final { return true; } |
+ bool isMailboxTextureHolder() final { return false; } |
+ unsigned sharedContextId() final; |
+ IntSize size() const final { |
+ return IntSize(m_image->width(), m_image->height()); |
+ } |
+ bool currentFrameKnownToBeOpaque(Image::MetadataMode) final { |
+ return m_image->isOpaque(); |
+ } |
+ |
+ sk_sp<SkImage> skImage() final { return m_image; } |
+ void setSharedContextId(unsigned contextId) final { |
+ m_sharedContextId = contextId; |
+ } |
+ |
+ // When creating a AcceleratedStaticBitmap from a texture-backed SkImage, this |
+ // function will be called to create a TextureHolder object. |
+ SkiaTextureHolder(sk_sp<SkImage>); |
+ // This function consumes the mailbox in the input parameter and turn it into |
+ // a texture-backed SkImage. |
+ SkiaTextureHolder(std::unique_ptr<TextureHolder>); |
+ |
+ private: |
+ void releaseImageThreadSafe(); |
+ |
+ // The m_image should always be texture-backed |
+ sk_sp<SkImage> m_image; |
+ // Id of the shared context where m_image was created |
+ unsigned m_sharedContextId = 0; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // SkiaTextureHolder_h |