150 lines
4.4 KiB
C++
150 lines
4.4 KiB
C++
/*
|
|
* Copyright (C) 2007 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_LAYER_H
|
|
#define ANDROID_LAYER_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <gui/SurfaceTexture.h>
|
|
|
|
#include <pixelflinger/pixelflinger.h>
|
|
#include <ui/GraphicBuffer.h>
|
|
#include <ui/PixelFormat.h>
|
|
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
#include <GLES/gl.h>
|
|
#include <GLES/glext.h>
|
|
|
|
#include "LayerBase.h"
|
|
#include "SurfaceTextureLayer.h"
|
|
#include "Transform.h"
|
|
#include <utils/Timers.h>
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Client;
|
|
class GLExtensions;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Layer : public LayerBaseClient
|
|
{
|
|
public:
|
|
Layer(SurfaceFlinger* flinger, DisplayID display,
|
|
const sp<Client>& client);
|
|
|
|
virtual ~Layer();
|
|
|
|
virtual const char* getTypeId() const { return "Layer"; }
|
|
|
|
// the this layer's size and format
|
|
status_t setBuffers(uint32_t w, uint32_t h,
|
|
PixelFormat format, uint32_t flags=0);
|
|
|
|
bool isFixedSize() const;
|
|
|
|
// LayerBase interface
|
|
virtual void setGeometry(hwc_layer_t* hwcl);
|
|
virtual void setPerFrameData(hwc_layer_t* hwcl);
|
|
virtual void onDraw(const Region& clip) const;
|
|
virtual uint32_t doTransaction(uint32_t transactionFlags);
|
|
virtual void lockPageFlip(bool& recomputeVisibleRegions);
|
|
virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
|
|
virtual bool isOpaque() const;
|
|
virtual bool needsDithering() const { return mNeedsDithering; }
|
|
virtual bool isSecure() const { return mSecure; }
|
|
virtual bool isProtected() const;
|
|
virtual void onRemoved();
|
|
virtual sp<Layer> getLayer() const { return const_cast<Layer*>(this); }
|
|
virtual void setName(const String8& name);
|
|
|
|
// LayerBaseClient interface
|
|
virtual wp<IBinder> getSurfaceTextureBinder() const;
|
|
|
|
virtual void onLayerDisplayed();
|
|
virtual bool onPreComposition();
|
|
|
|
// only for debugging
|
|
inline const sp<GraphicBuffer>& getActiveBuffer() const { return mActiveBuffer; }
|
|
|
|
protected:
|
|
virtual void onFirstRef();
|
|
virtual void dump(String8& result, char* scratch, size_t size) const;
|
|
virtual void dumpStats(String8& result, char* buffer, size_t SIZE) const;
|
|
virtual void clearStats();
|
|
|
|
private:
|
|
friend class SurfaceTextureLayer;
|
|
void onFrameQueued();
|
|
virtual sp<ISurface> createSurface();
|
|
uint32_t getEffectiveUsage(uint32_t usage) const;
|
|
uint32_t getTransformHint() const;
|
|
bool isCropped() const;
|
|
static bool getOpacityForFormat(uint32_t format);
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
// constants
|
|
sp<SurfaceTextureLayer> mSurfaceTexture;
|
|
GLuint mTextureName;
|
|
|
|
// thread-safe
|
|
volatile int32_t mQueuedFrames;
|
|
|
|
// main thread
|
|
sp<GraphicBuffer> mActiveBuffer;
|
|
GLfloat mTextureMatrix[16];
|
|
Rect mCurrentCrop;
|
|
uint32_t mCurrentTransform;
|
|
uint32_t mCurrentScalingMode;
|
|
bool mCurrentOpacity;
|
|
bool mRefreshPending;
|
|
bool mFrameLatencyNeeded;
|
|
int mFrameLatencyOffset;
|
|
|
|
struct Statistics {
|
|
Statistics() : timestamp(0), set(0), vsync(0) { }
|
|
nsecs_t timestamp; // buffer timestamp
|
|
nsecs_t set; // buffer displayed timestamp
|
|
nsecs_t vsync; // vsync immediately before set
|
|
};
|
|
|
|
// protected by mLock
|
|
Statistics mFrameStats[128];
|
|
|
|
// constants
|
|
PixelFormat mFormat;
|
|
const GLExtensions& mGLExtensions;
|
|
bool mOpaqueLayer;
|
|
bool mNeedsDithering;
|
|
|
|
// page-flip thread (currently main thread)
|
|
bool mSecure; // no screenshots
|
|
bool mProtectedByApp; // application requires protected path to external sink
|
|
Region mPostedDirtyRegion;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_LAYER_H
|