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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_RASTER_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_
#define CC_RASTER_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "cc/raster/raster_buffer.h"
#include "cc/raster/raster_buffer_provider.h"
namespace base {
namespace trace_event {
class ConvertableToTraceFormat;
}
}
namespace gpu {
class SharedImageInterface;
}
namespace cc {
// RasterBuffer for the zero copy upload, which is given to the raster worker
// threads for raster/upload.
class ZeroCopyRasterBufferImpl : public RasterBuffer {
public:
ZeroCopyRasterBufferImpl(
const ResourcePool::InUsePoolResource& in_use_resource,
scoped_refptr<gpu::SharedImageInterface> sii,
bool resource_has_previous_content,
bool is_software);
ZeroCopyRasterBufferImpl(const ZeroCopyRasterBufferImpl&) = delete;
~ZeroCopyRasterBufferImpl() override;
ZeroCopyRasterBufferImpl& operator=(const ZeroCopyRasterBufferImpl&) = delete;
// Overridden from RasterBuffer:
void Playback(const RasterSource* raster_source,
const gfx::Rect& raster_full_rect,
const gfx::Rect& raster_dirty_rect,
uint64_t new_content_id,
const gfx::AxisTransform2d& transform,
const RasterSource::PlaybackSettings& playback_settings,
const GURL& url) override;
bool SupportsBackgroundThreadPriority() const override;
private:
// These fields are safe to access on both the compositor and worker thread.
raw_ptr<ResourcePool::Backing> backing_;
const scoped_refptr<gpu::SharedImageInterface> sii_;
bool failed_to_map_shared_image_ = false;
bool resource_has_previous_content_ = false;
bool is_software_ = false;
};
class CC_EXPORT ZeroCopyRasterBufferProvider : public RasterBufferProvider {
public:
ZeroCopyRasterBufferProvider(
const scoped_refptr<gpu::SharedImageInterface>& shared_image_interface,
bool is_software);
ZeroCopyRasterBufferProvider(const ZeroCopyRasterBufferProvider&) = delete;
~ZeroCopyRasterBufferProvider() override;
ZeroCopyRasterBufferProvider& operator=(const ZeroCopyRasterBufferProvider&) =
delete;
// Overridden from RasterBufferProvider:
std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
const ResourcePool::InUsePoolResource& resource,
uint64_t resource_content_id,
uint64_t previous_content_id,
bool depends_on_at_raster_decodes,
bool depends_on_hardware_accelerated_jpeg_candidates,
bool depends_on_hardware_accelerated_webp_candidates) override;
bool CanPartialRasterIntoProvidedResource() const override;
bool IsResourceReadyToDraw(
const ResourcePool::InUsePoolResource& resource) override;
uint64_t SetReadyToDrawCallback(
const std::vector<const ResourcePool::InUsePoolResource*>& resources,
base::OnceClosure callback,
uint64_t pending_callback_id) override;
void Shutdown() override;
protected:
void Flush() override;
private:
std::unique_ptr<base::trace_event::ConvertableToTraceFormat> StateAsValue()
const;
bool is_software_ = false;
scoped_refptr<gpu::SharedImageInterface> shared_image_interface_;
};
} // namespace cc
#endif // CC_RASTER_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_
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