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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_IMAGE_LAYER_BRIDGE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_IMAGE_LAYER_BRIDGE_H_
#include "cc/layers/texture_layer_client.h"
#include "components/viz/common/resources/shared_image_format.h"
#include "third_party/blink/renderer/platform/graphics/opacity_mode.h"
#include "third_party/blink/renderer/platform/graphics/static_bitmap_image.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "ui/gfx/geometry/point_f.h"
namespace cc {
class Layer;
class TextureLayer;
}
namespace gfx {
class Size;
}
namespace blink {
class WebGraphicsSharedImageInterfaceProvider;
class PLATFORM_EXPORT ImageLayerBridge
: public GarbageCollected<ImageLayerBridge>,
public cc::TextureLayerClient {
public:
ImageLayerBridge(OpacityMode);
ImageLayerBridge(const ImageLayerBridge&) = delete;
ImageLayerBridge& operator=(const ImageLayerBridge&) = delete;
~ImageLayerBridge() override;
void SetImage(scoped_refptr<StaticBitmapImage>);
void Dispose();
// cc::TextureLayerClient implementation.
bool PrepareTransferableResource(
viz::TransferableResource* out_resource,
viz::ReleaseCallback* out_release_callback) override;
scoped_refptr<StaticBitmapImage> GetImage() { return image_; }
cc::Layer* CcLayer() const;
void SetUV(const gfx::PointF& left_top, const gfx::PointF& right_bottom);
bool IsAccelerated() { return image_ && image_->IsTextureBacked(); }
void Trace(Visitor* visitor) const {}
private:
// Resource holding a software SharedImage. Used only with software
// compositing.
struct SoftwareResource {
SoftwareResource();
SoftwareResource(SoftwareResource&& other);
SoftwareResource& operator=(SoftwareResource&& other);
scoped_refptr<gpu::ClientSharedImage> shared_image;
gpu::SyncToken sync_token;
base::WeakPtr<blink::WebGraphicsSharedImageInterfaceProvider> sii_provider;
};
// Returns a software resource of |size|. Tries to recycle returned resources
// first and allocates a new resource if necessary. Note this will delete
// recycled resources that are the wrong size.
SoftwareResource CreateOrRecycleSoftwareResource(
const gfx::Size& size,
viz::SharedImageFormat format);
void ResourceReleasedGpu(scoped_refptr<StaticBitmapImage>,
const gpu::SyncToken&,
bool lost_resource);
void ResourceReleasedSoftware(SoftwareResource resource,
const gpu::SyncToken&,
bool lost_resource);
scoped_refptr<StaticBitmapImage> image_;
scoped_refptr<cc::TextureLayer> layer_;
// SharedMemory resources that can be recycled.
Vector<SoftwareResource> recycled_software_resources_;
bool disposed_ = false;
bool has_presented_since_last_set_image_ = false;
bool is_opaque_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_IMAGE_LAYER_BRIDGE_H_
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