175 lines
4.9 KiB
C++
175 lines
4.9 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SF_SURFACE_H
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#define ANDROID_SF_SURFACE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/KeyedVector.h>
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#include <utils/RefBase.h>
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#include <utils/threads.h>
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#include <ui/PixelFormat.h>
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#include <ui/Region.h>
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#include <ui/egl/android_natives.h>
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#include <gui/SurfaceTextureClient.h>
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#include <surfaceflinger/ISurface.h>
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#include <surfaceflinger/ISurfaceComposerClient.h>
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#define ANDROID_VIEW_SURFACE_JNI_ID "mNativeSurface"
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namespace android {
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// ---------------------------------------------------------------------------
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class ISurfaceTexture;
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class Surface;
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class SurfaceComposerClient;
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// ---------------------------------------------------------------------------
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class SurfaceControl : public RefBase
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{
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public:
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static bool isValid(const sp<SurfaceControl>& surface) {
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return (surface != 0) && surface->isValid();
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}
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bool isValid() {
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return mToken>=0 && mClient!=0;
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}
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static bool isSameSurface(
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const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
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uint32_t getIdentity() const { return mIdentity; }
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// release surface data from java
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void clear();
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status_t setLayer(int32_t layer);
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status_t setPosition(int32_t x, int32_t y);
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status_t setSize(uint32_t w, uint32_t h);
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status_t hide();
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status_t show(int32_t layer = -1);
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status_t freeze();
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status_t unfreeze();
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status_t setFlags(uint32_t flags, uint32_t mask);
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status_t setTransparentRegionHint(const Region& transparent);
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status_t setAlpha(float alpha=1.0f);
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status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
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status_t setFreezeTint(uint32_t tint);
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static status_t writeSurfaceToParcel(
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const sp<SurfaceControl>& control, Parcel* parcel);
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sp<Surface> getSurface() const;
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private:
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// can't be copied
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SurfaceControl& operator = (SurfaceControl& rhs);
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SurfaceControl(const SurfaceControl& rhs);
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friend class SurfaceComposerClient;
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friend class Surface;
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SurfaceControl(
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const sp<SurfaceComposerClient>& client,
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const sp<ISurface>& surface,
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const ISurfaceComposerClient::surface_data_t& data);
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~SurfaceControl();
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status_t validate() const;
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void destroy();
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sp<SurfaceComposerClient> mClient;
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sp<ISurface> mSurface;
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SurfaceID mToken;
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uint32_t mIdentity;
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mutable Mutex mLock;
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mutable sp<Surface> mSurfaceData;
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};
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// ---------------------------------------------------------------------------
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class Surface : public SurfaceTextureClient
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{
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public:
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struct SurfaceInfo {
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uint32_t w;
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uint32_t h;
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uint32_t s;
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uint32_t usage;
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PixelFormat format;
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void* bits;
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uint32_t reserved[2];
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};
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static status_t writeToParcel(const sp<Surface>& control, Parcel* parcel);
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static sp<Surface> readFromParcel(const Parcel& data);
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static bool isValid(const sp<Surface>& surface) {
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return (surface != 0) && surface->isValid();
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}
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bool isValid();
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uint32_t getIdentity() const { return mIdentity; }
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sp<ISurfaceTexture> getSurfaceTexture();
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// the lock/unlock APIs must be used from the same thread
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status_t lock(SurfaceInfo* info, Region* dirty = NULL);
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status_t unlockAndPost();
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sp<IBinder> asBinder() const;
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private:
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// this is just to be able to write some unit tests
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friend class Test;
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friend class SurfaceControl;
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// can't be copied
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Surface& operator = (Surface& rhs);
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Surface(const Surface& rhs);
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Surface(const sp<SurfaceControl>& control);
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Surface(const Parcel& data, const sp<IBinder>& ref);
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~Surface();
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/*
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* private stuff...
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*/
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void init();
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static void cleanCachedSurfacesLocked();
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virtual int query(int what, int* value) const;
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// constants
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sp<ISurface> mSurface;
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uint32_t mIdentity;
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// A cache of Surface objects that have been deserialized into this process.
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static Mutex sCachedSurfacesLock;
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static DefaultKeyedVector<wp<IBinder>, wp<Surface> > sCachedSurfaces;
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};
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}; // namespace android
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#endif // ANDROID_SF_SURFACE_H
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