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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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_ACCELERATED_STATIC_BITMAP_IMAGE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_ACCELERATED_STATIC_BITMAP_IMAGE_H_
#include <memory>
#include "base/memory/weak_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "third_party/blink/renderer/platform/graphics/static_bitmap_image.h"
#include "third_party/blink/renderer/platform/graphics/texture_holder.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
class GrContext;
namespace blink {
class WebGraphicsContext3DProviderWrapper;
class TextureHolder;
class PLATFORM_EXPORT AcceleratedStaticBitmapImage final
: public StaticBitmapImage {
public:
~AcceleratedStaticBitmapImage() override;
// SkImage with a texture backing.
static scoped_refptr<AcceleratedStaticBitmapImage> CreateFromSkImage(
sk_sp<SkImage>,
base::WeakPtr<WebGraphicsContext3DProviderWrapper>);
// Can specify the GrContext that created the texture backing. Ideally all
// callers would use this option. The |mailbox| is a name for the texture
// backing, allowing other contexts to use the same backing.
static scoped_refptr<AcceleratedStaticBitmapImage>
CreateFromWebGLContextImage(
const gpu::Mailbox&,
const gpu::SyncToken&,
unsigned texture_id,
base::WeakPtr<WebGraphicsContext3DProviderWrapper>&&,
IntSize mailbox_size);
bool CurrentFrameKnownToBeOpaque() override;
IntSize Size() const override;
bool IsTextureBacked() const override { return true; }
scoped_refptr<StaticBitmapImage> MakeAccelerated(
base::WeakPtr<WebGraphicsContext3DProviderWrapper> context_wrapper)
override {
return this;
}
void Draw(cc::PaintCanvas*,
const cc::PaintFlags&,
const FloatRect& dst_rect,
const FloatRect& src_rect,
RespectImageOrientationEnum,
ImageClampingMode,
ImageDecodingMode) override;
bool IsValid() const final;
WebGraphicsContext3DProvider* ContextProvider() const final;
base::WeakPtr<WebGraphicsContext3DProviderWrapper> ContextProviderWrapper()
const final;
scoped_refptr<StaticBitmapImage> MakeUnaccelerated() final;
bool CopyToTexture(gpu::gles2::GLES2Interface* dest_gl,
GLenum dest_target,
GLuint dest_texture_id,
bool unpack_premultiply_alpha,
bool unpack_flip_y,
const IntPoint& dest_point,
const IntRect& source_sub_rectangle) override;
bool HasMailbox() const final {
return texture_holder_->IsMailboxTextureHolder();
}
// To be called on sender thread before performing a transfer
void Transfer() final;
void EnsureMailbox(MailboxSyncMode, GLenum filter) final;
const gpu::Mailbox& GetMailbox() const final {
return texture_holder_->GetMailbox();
}
const gpu::SyncToken& GetSyncToken() const final {
return texture_holder_->GetSyncToken();
}
void UpdateSyncToken(gpu::SyncToken) final;
PaintImage PaintImageForCurrentFrame() override;
void Abandon() final;
TextureHolder* TextureHolderForTesting() { return texture_holder_.get(); }
private:
AcceleratedStaticBitmapImage(
sk_sp<SkImage>,
base::WeakPtr<WebGraphicsContext3DProviderWrapper>&&);
AcceleratedStaticBitmapImage(
const gpu::Mailbox&,
const gpu::SyncToken&,
unsigned texture_id,
base::WeakPtr<WebGraphicsContext3DProviderWrapper>&&,
IntSize mailbox_size);
void CreateImageFromMailboxIfNeeded();
void WaitSyncTokenIfNeeded();
void RetainOriginalSkImage();
std::unique_ptr<TextureHolder> texture_holder_;
THREAD_CHECKER(thread_checker_);
PaintImage::ContentId paint_image_content_id_;
// For RetainOriginalSkImageForCopyOnWrite()
sk_sp<SkImage> original_skia_image_;
scoped_refptr<base::SingleThreadTaskRunner> original_skia_image_task_runner_;
base::WeakPtr<WebGraphicsContext3DProviderWrapper>
original_skia_image_context_provider_wrapper_;
};
} // namespace blink
#endif
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