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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_OVERLAY_PROCESSOR_MAC_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_PROCESSOR_MAC_H_
#include <memory>
#include <vector>
#include "build/build_config.h"
#include "components/viz/common/quads/aggregated_render_pass.h"
#include "components/viz/service/display/ca_layer_overlay.h"
#include "components/viz/service/display/overlay_candidate.h"
#include "components/viz/service/display/overlay_processor_interface.h"
#include "components/viz/service/viz_service_export.h"
namespace cc {
class DisplayResourceProvider;
}
namespace viz {
class VIZ_SERVICE_EXPORT OverlayProcessorMac
: public OverlayProcessorInterface {
public:
using CandidateList = OverlayCandidateList;
OverlayProcessorMac();
// For testing.
explicit OverlayProcessorMac(
std::unique_ptr<CALayerOverlayProcessor> ca_layer_overlay_processor);
OverlayProcessorMac(const OverlayProcessorMac&) = delete;
OverlayProcessorMac& operator=(const OverlayProcessorMac&) = delete;
~OverlayProcessorMac() override;
bool DisableSplittingQuads() const override;
bool IsOverlaySupported() const override;
gfx::Rect GetAndResetOverlayDamage() override;
// Returns true if the platform supports hw overlays and surface occluding
// damage rect needs to be computed since it will be used by overlay
// processor.
bool NeedsSurfaceDamageRectList() const override;
// Attempt to replace quads from the specified root render pass with overlays
// or CALayers. This must be called every frame.
void ProcessForOverlays(
DisplayResourceProvider* resource_provider,
AggregatedRenderPassList* render_passes,
const SkM44& output_color_matrix,
const FilterOperationsMap& render_pass_filters,
const FilterOperationsMap& render_pass_backdrop_filters,
SurfaceDamageRectList surface_damage_rect_list,
OutputSurfaceOverlayPlane* output_surface_plane,
CandidateList* overlay_candidates,
gfx::Rect* damage_rect,
std::vector<gfx::Rect>* content_bounds) override;
// For Mac, if we successfully generated a candidate list for CALayerOverlay,
// we no longer need the |output_surface_plane|. This function takes a pointer
// to the std::optional instance so the instance can be reset.
// TODO(weiliangc): Internalize the |output_surface_plane| inside the overlay
// processor.
void AdjustOutputSurfaceOverlay(
std::optional<OutputSurfaceOverlayPlane>* output_surface_plane) override;
gfx::CALayerResult GetCALayerErrorCode() const override;
private:
// The damage that should be added the next frame for drawing to the output
// surface.
gfx::Rect ca_overlay_damage_rect_;
protected:
// Protected for testing.
// TODO(weiliangc): Eventually fold the CaLayerOverlayProcessor into this
// class.
std::unique_ptr<CALayerOverlayProcessor> ca_layer_overlay_processor_;
CALayerOverlayProcessor* GetOverlayProcessor() const {
return ca_layer_overlay_processor_.get();
}
private:
bool output_surface_already_handled_;
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_PROCESSOR_MAC_H_
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