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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DCOMP_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DCOMP_H_
#include <vector>
#include "base/containers/flat_map.h"
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/viz/service/display_embedder/skia_output_device.h"
#include "ui/gl/presenter.h"
namespace gl {
class DCLayerOverlayImage;
} // namespace gl
namespace gpu {
class SharedContextState;
class SharedImageRepresentationFactory;
namespace gles2 {
class FeatureInfo;
} // namespace gles2
} // namespace gpu
namespace viz {
// Base class for DComp-backed OutputDevices.
class SkiaOutputDeviceDComp : public SkiaOutputDevice {
public:
SkiaOutputDeviceDComp(
gpu::SharedImageRepresentationFactory*
shared_image_representation_factory,
gpu::SharedContextState* context_state,
scoped_refptr<gl::Presenter> presenter,
scoped_refptr<gpu::gles2::FeatureInfo> feature_info,
gpu::MemoryTracker* memory_tracker,
DidSwapBufferCompleteCallback did_swap_buffer_complete_callback);
SkiaOutputDeviceDComp(const SkiaOutputDeviceDComp&) = delete;
SkiaOutputDeviceDComp& operator=(const SkiaOutputDeviceDComp&) = delete;
~SkiaOutputDeviceDComp() override;
// SkiaOutputDevice implementation:
void Present(const std::optional<gfx::Rect>& update_rect,
BufferPresentedCallback feedback,
OutputSurfaceFrame frame) override;
void ScheduleOverlays(SkiaOutputSurface::OverlayList overlays) override;
bool Reshape(const ReshapeParams& params) override;
SkSurface* BeginPaint(
std::vector<GrBackendSemaphore>* end_semaphores) override;
void EndPaint() override;
private:
class OverlayData;
std::optional<gl::DCLayerOverlayImage> BeginOverlayAccess(
const gpu::Mailbox& mailbox);
void CreateSkSurface();
// Mailboxes of overlays scheduled in the current frame.
base::flat_set<gpu::Mailbox> scheduled_overlay_mailboxes_;
// Holds references to overlay textures so they aren't destroyed while in use.
base::flat_map<gpu::Mailbox, OverlayData> overlays_;
const raw_ptr<gpu::SharedImageRepresentationFactory>
shared_image_representation_factory_;
const raw_ptr<gpu::SharedContextState> context_state_;
gfx::Size size_;
// Completion callback for |DoPresent|.
void OnPresentFinished(OutputSurfaceFrame frame,
const gfx::Size& swap_size,
gfx::SwapCompletionResult result);
// Any implementation capable of scheduling a DComp layer. Currently only
// |DCompPresenter|.
scoped_refptr<gl::Presenter> presenter_;
base::WeakPtrFactory<SkiaOutputDeviceDComp> weak_ptr_factory_{this};
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DCOMP_H_
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