You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
232 lines
8.4 KiB
232 lines
8.4 KiB
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <sys/types.h>
|
|
#include <cstdint>
|
|
#include <list>
|
|
|
|
#include <gui/ISurfaceComposerClient.h>
|
|
#include <gui/LayerState.h>
|
|
#include <renderengine/Image.h>
|
|
#include <renderengine/Mesh.h>
|
|
#include <renderengine/Texture.h>
|
|
#include <system/window.h> // For NATIVE_WINDOW_SCALING_MODE_FREEZE
|
|
#include <ui/FrameStats.h>
|
|
#include <ui/GraphicBuffer.h>
|
|
#include <ui/PixelFormat.h>
|
|
#include <ui/Region.h>
|
|
#include <utils/RefBase.h>
|
|
#include <utils/String8.h>
|
|
#include <utils/Timers.h>
|
|
|
|
#include "BufferLayerConsumer.h"
|
|
#include "Client.h"
|
|
#include "DisplayHardware/HWComposer.h"
|
|
#include "FrameTimeline.h"
|
|
#include "FrameTracker.h"
|
|
#include "Layer.h"
|
|
#include "LayerVector.h"
|
|
#include "MonitoredProducer.h"
|
|
#include "SurfaceFlinger.h"
|
|
|
|
namespace android {
|
|
|
|
class BufferLayer : public Layer {
|
|
public:
|
|
explicit BufferLayer(const LayerCreationArgs& args);
|
|
virtual ~BufferLayer() override;
|
|
|
|
// Implements Layer.
|
|
sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const override;
|
|
compositionengine::LayerFECompositionState* editCompositionState() override;
|
|
|
|
// If we have received a new buffer this frame, we will pass its surface
|
|
// damage down to hardware composer. Otherwise, we must send a region with
|
|
// one empty rect.
|
|
void useSurfaceDamage() override;
|
|
void useEmptyDamage() override;
|
|
|
|
bool isOpaque(const Layer::State& s) const override;
|
|
|
|
// isVisible - true if this layer is visible, false otherwise
|
|
bool isVisible() const override;
|
|
|
|
// isProtected - true if the layer may contain protected content in the
|
|
// GRALLOC_USAGE_PROTECTED sense.
|
|
bool isProtected() const override;
|
|
|
|
// isFixedSize - true if content has a fixed size
|
|
bool isFixedSize() const override;
|
|
|
|
bool usesSourceCrop() const override;
|
|
|
|
bool isHdrY410() const override;
|
|
|
|
bool onPostComposition(const DisplayDevice*, const std::shared_ptr<FenceTime>& glDoneFence,
|
|
const std::shared_ptr<FenceTime>& presentFence,
|
|
const CompositorTiming&) override;
|
|
|
|
// latchBuffer - called each time the screen is redrawn and returns whether
|
|
// the visible regions need to be recomputed (this is a fairly heavy
|
|
// operation, so this should be set only if needed). Typically this is used
|
|
// to figure out if the content or size of a surface has changed.
|
|
bool latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
|
|
nsecs_t expectedPresentTime) override;
|
|
|
|
bool isBufferLatched() const override { return mRefreshPending; }
|
|
|
|
bool hasReadyFrame() const override;
|
|
|
|
// Returns the current scaling mode
|
|
uint32_t getEffectiveScalingMode() const override;
|
|
|
|
// Calls latchBuffer if the buffer has a frame queued and then releases the buffer.
|
|
// This is used if the buffer is just latched and releases to free up the buffer
|
|
// and will not be shown on screen.
|
|
// Should only be called on the main thread.
|
|
void latchAndReleaseBuffer() override;
|
|
|
|
bool getTransformToDisplayInverse() const override;
|
|
|
|
Rect getBufferCrop() const override;
|
|
|
|
uint32_t getBufferTransform() const override;
|
|
|
|
ui::Dataspace getDataSpace() const override;
|
|
|
|
sp<GraphicBuffer> getBuffer() const override;
|
|
|
|
ui::Transform::RotationFlags getTransformHint() const override { return mTransformHint; }
|
|
|
|
// Returns true if the transformed buffer size does not match the layer size and we need
|
|
// to apply filtering.
|
|
virtual bool bufferNeedsFiltering() const;
|
|
|
|
protected:
|
|
struct BufferInfo {
|
|
nsecs_t mDesiredPresentTime;
|
|
std::shared_ptr<FenceTime> mFenceTime;
|
|
sp<Fence> mFence;
|
|
uint32_t mTransform{0};
|
|
ui::Dataspace mDataspace{ui::Dataspace::UNKNOWN};
|
|
Rect mCrop;
|
|
uint32_t mScaleMode{NATIVE_WINDOW_SCALING_MODE_FREEZE};
|
|
Region mSurfaceDamage;
|
|
HdrMetadata mHdrMetadata;
|
|
int mApi;
|
|
PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
|
|
bool mTransformToDisplayInverse{false};
|
|
|
|
std::shared_ptr<renderengine::ExternalTexture> mBuffer;
|
|
uint64_t mFrameNumber;
|
|
int mBufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
|
|
|
|
bool mFrameLatencyNeeded{false};
|
|
};
|
|
|
|
BufferInfo mBufferInfo;
|
|
virtual void gatherBufferInfo() = 0;
|
|
|
|
std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
|
|
compositionengine::LayerFE::ClientCompositionTargetSettings&) override;
|
|
|
|
/*
|
|
* compositionengine::LayerFE overrides
|
|
*/
|
|
const compositionengine::LayerFECompositionState* getCompositionState() const override;
|
|
bool onPreComposition(nsecs_t) override;
|
|
void preparePerFrameCompositionState() override;
|
|
|
|
static bool getOpacityForFormat(uint32_t format);
|
|
|
|
// from graphics API
|
|
const uint32_t mTextureName;
|
|
|
|
bool mRefreshPending{false};
|
|
|
|
ui::Dataspace translateDataspace(ui::Dataspace dataspace);
|
|
void setInitialValuesForClone(const sp<Layer>& clonedFrom);
|
|
void updateCloneBufferInfo() override;
|
|
uint64_t mPreviousFrameNumber = 0;
|
|
|
|
uint64_t getHeadFrameNumber(nsecs_t expectedPresentTime) const override;
|
|
|
|
void setTransformHint(ui::Transform::RotationFlags displayTransformHint) override;
|
|
|
|
// Transform hint provided to the producer. This must be accessed holding
|
|
// the mStateLock.
|
|
ui::Transform::RotationFlags mTransformHint = ui::Transform::ROT_0;
|
|
|
|
bool getAutoRefresh() const { return mAutoRefresh; }
|
|
bool getSidebandStreamChanged() const { return mSidebandStreamChanged; }
|
|
|
|
// Returns true if the next buffer should be presented at the expected present time
|
|
bool shouldPresentNow(nsecs_t expectedPresentTime) const;
|
|
|
|
// Returns true if the next buffer should be presented at the expected present time,
|
|
// overridden by BufferStateLayer and BufferQueueLayer for implementation
|
|
// specific logic
|
|
virtual bool isBufferDue(nsecs_t /*expectedPresentTime*/) const = 0;
|
|
|
|
std::atomic<bool> mAutoRefresh{false};
|
|
std::atomic<bool> mSidebandStreamChanged{false};
|
|
|
|
private:
|
|
virtual bool fenceHasSignaled() const = 0;
|
|
virtual bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const = 0;
|
|
virtual uint64_t getFrameNumber(nsecs_t expectedPresentTime) const = 0;
|
|
|
|
|
|
// Latch sideband stream and returns true if the dirty region should be updated.
|
|
virtual bool latchSidebandStream(bool& recomputeVisibleRegions) = 0;
|
|
|
|
virtual bool hasFrameUpdate() const = 0;
|
|
|
|
virtual status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
|
|
nsecs_t expectedPresentTime) = 0;
|
|
|
|
virtual status_t updateActiveBuffer() = 0;
|
|
virtual status_t updateFrameNumber(nsecs_t latchTime) = 0;
|
|
|
|
// We generate InputWindowHandles for all non-cursor buffered layers regardless of whether they
|
|
// have an InputChannel. This is to enable the InputDispatcher to do PID based occlusion
|
|
// detection.
|
|
bool needsInputInfo() const override { return !mPotentialCursor; }
|
|
|
|
// Returns true if this layer requires filtering
|
|
bool needsFiltering(const DisplayDevice*) const override;
|
|
bool needsFilteringForScreenshots(const DisplayDevice*,
|
|
const ui::Transform& inverseParentTransform) const override;
|
|
|
|
// BufferStateLayers can return Rect::INVALID_RECT if the layer does not have a display frame
|
|
// and its parent layer is not bounded
|
|
Rect getBufferSize(const State& s) const override;
|
|
|
|
PixelFormat getPixelFormat() const;
|
|
|
|
// Computes the transform matrix using the setFilteringEnabled to determine whether the
|
|
// transform matrix should be computed for use with bilinear filtering.
|
|
void getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]);
|
|
|
|
std::unique_ptr<compositionengine::LayerFECompositionState> mCompositionState;
|
|
|
|
FloatRect computeSourceBounds(const FloatRect& parentBounds) const override;
|
|
};
|
|
|
|
} // namespace android
|