1b2c2a9ea0
This reverts commit 52a43990880b27808bcf562afcc4209d34728e6e. Change-Id: I1856a48f863b051395b8091ddfd1e01292fa1b1e
248 lines
8.4 KiB
C++
248 lines
8.4 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 <ui/GraphicBuffer.h>
|
|
#include <ui/PixelFormat.h>
|
|
#include <pixelflinger/pixelflinger.h>
|
|
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
#include <GLES/gl.h>
|
|
#include <GLES/glext.h>
|
|
|
|
#include "LayerBase.h"
|
|
#include "Transform.h"
|
|
#include "TextureManager.h"
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class FreezeLock;
|
|
class Client;
|
|
class GLExtensions;
|
|
class UserClient;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
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);
|
|
|
|
// associate a UserClient to this Layer
|
|
status_t setToken(const sp<UserClient>& uc, SharedClient* sc, int32_t idx);
|
|
int32_t getToken() const;
|
|
sp<UserClient> getClient() const;
|
|
|
|
// Set this Layer's buffers size
|
|
void setBufferSize(uint32_t w, uint32_t h);
|
|
bool isFixedSize() const;
|
|
|
|
// LayerBase interface
|
|
virtual void setGeometry(hwc_layer_t* hwcl);
|
|
virtual void setPerFrameData(hwc_layer_t* hwcl);
|
|
virtual void drawForSreenShot() const;
|
|
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 needsBlending(const sp<GraphicBuffer>& buffer) const;
|
|
virtual bool needsBlending() const;
|
|
virtual bool needsDithering() const { return mNeedsDithering; }
|
|
virtual bool needsFiltering() const;
|
|
virtual bool isSecure() const { return mSecure; }
|
|
virtual bool isProtected() const;
|
|
virtual sp<Surface> createSurface() const;
|
|
virtual void onRemoved();
|
|
|
|
// only for debugging
|
|
inline sp<GraphicBuffer> getBuffer(int i) const {
|
|
return mBufferManager.getBuffer(i); }
|
|
// only for debugging
|
|
inline const sp<FreezeLock>& getFreezeLock() const {
|
|
return mFreezeLock; }
|
|
|
|
protected:
|
|
virtual void dump(String8& result, char* scratch, size_t size) const;
|
|
|
|
private:
|
|
void reloadTexture(const Region& dirty);
|
|
uint32_t getEffectiveUsage(uint32_t usage) const;
|
|
sp<GraphicBuffer> requestBuffer(int bufferIdx,
|
|
uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
|
|
status_t setBufferCount(int bufferCount);
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
class SurfaceLayer : public LayerBaseClient::Surface {
|
|
public:
|
|
SurfaceLayer(const sp<SurfaceFlinger>& flinger, const sp<Layer>& owner);
|
|
~SurfaceLayer();
|
|
private:
|
|
virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
|
|
uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
|
|
virtual status_t setBufferCount(int bufferCount);
|
|
sp<Layer> getOwner() const {
|
|
return static_cast<Layer*>(Surface::getOwner().get());
|
|
}
|
|
};
|
|
friend class SurfaceLayer;
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
class ClientRef {
|
|
ClientRef(const ClientRef& rhs);
|
|
ClientRef& operator = (const ClientRef& rhs);
|
|
mutable Mutex mLock;
|
|
// binder thread, page-flip thread
|
|
sp<SharedBufferServer> mControlBlock;
|
|
wp<UserClient> mUserClient;
|
|
int32_t mToken;
|
|
public:
|
|
ClientRef();
|
|
~ClientRef();
|
|
int32_t getToken() const;
|
|
sp<UserClient> getClient() const;
|
|
status_t setToken(const sp<UserClient>& uc,
|
|
const sp<SharedBufferServer>& sharedClient, int32_t token);
|
|
sp<UserClient> getUserClientUnsafe() const;
|
|
class Access {
|
|
Access(const Access& rhs);
|
|
Access& operator = (const Access& rhs);
|
|
sp<UserClient> mUserClientStrongRef;
|
|
sp<SharedBufferServer> mControlBlock;
|
|
public:
|
|
Access(const ClientRef& ref);
|
|
~Access();
|
|
inline SharedBufferServer* get() const { return mControlBlock.get(); }
|
|
};
|
|
friend class Access;
|
|
};
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
class BufferManager {
|
|
static const size_t NUM_BUFFERS = 2;
|
|
struct BufferData {
|
|
sp<GraphicBuffer> buffer;
|
|
Image texture;
|
|
};
|
|
// this lock protect mBufferData[].buffer but since there
|
|
// is very little contention, we have only one like for
|
|
// the whole array, we also use it to protect mNumBuffers.
|
|
mutable Mutex mLock;
|
|
BufferData mBufferData[SharedBufferStack::NUM_BUFFER_MAX];
|
|
size_t mNumBuffers;
|
|
Texture mFailoverTexture;
|
|
TextureManager& mTextureManager;
|
|
ssize_t mActiveBufferIndex;
|
|
sp<GraphicBuffer> mActiveBuffer;
|
|
bool mFailover;
|
|
static status_t destroyTexture(Image* tex, EGLDisplay dpy);
|
|
|
|
public:
|
|
static size_t getDefaultBufferCount() { return NUM_BUFFERS; }
|
|
BufferManager(TextureManager& tm);
|
|
~BufferManager();
|
|
|
|
// detach/attach buffer from/to given index
|
|
sp<GraphicBuffer> detachBuffer(size_t index);
|
|
status_t attachBuffer(size_t index, const sp<GraphicBuffer>& buffer);
|
|
// resize the number of active buffers
|
|
status_t resize(size_t size, const sp<SurfaceFlinger>& flinger,
|
|
EGLDisplay dpy);
|
|
|
|
// ----------------------------------------------
|
|
// must be called from GL thread
|
|
|
|
// set/get active buffer index
|
|
status_t setActiveBufferIndex(size_t index);
|
|
size_t getActiveBufferIndex() const;
|
|
// return the active buffer
|
|
sp<GraphicBuffer> getActiveBuffer() const;
|
|
// return wether we have an active buffer
|
|
bool hasActiveBuffer() const;
|
|
// return the active texture (or fail-over)
|
|
Texture getActiveTexture() const;
|
|
// frees resources associated with all buffers
|
|
status_t destroy(EGLDisplay dpy);
|
|
// load bitmap data into the active buffer
|
|
status_t loadTexture(const Region& dirty, const GGLSurface& t);
|
|
// make active buffer an EGLImage if needed
|
|
status_t initEglImage(EGLDisplay dpy,
|
|
const sp<GraphicBuffer>& buffer);
|
|
|
|
// ----------------------------------------------
|
|
// only for debugging
|
|
sp<GraphicBuffer> getBuffer(size_t index) const;
|
|
};
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
// thread-safe
|
|
ClientRef mUserClientRef;
|
|
|
|
// constants
|
|
PixelFormat mFormat;
|
|
const GLExtensions& mGLExtensions;
|
|
bool mNeedsBlending;
|
|
bool mNeedsDithering;
|
|
|
|
// page-flip thread (currently main thread)
|
|
bool mSecure; // no screenshots
|
|
bool mProtectedByApp; // application requires protected path to external sink
|
|
Region mPostedDirtyRegion;
|
|
|
|
// page-flip thread and transaction thread (currently main thread)
|
|
sp<FreezeLock> mFreezeLock;
|
|
|
|
// see threading usage in declaration
|
|
TextureManager mTextureManager;
|
|
BufferManager mBufferManager;
|
|
|
|
// binder thread, transaction thread
|
|
mutable Mutex mLock;
|
|
uint32_t mWidth;
|
|
uint32_t mHeight;
|
|
uint32_t mReqWidth;
|
|
uint32_t mReqHeight;
|
|
uint32_t mReqFormat;
|
|
bool mNeedsScaling;
|
|
bool mFixedSize;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_LAYER_H
|