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// 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
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