174 lines
4.9 KiB
C++
174 lines
4.9 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_GUI_SURFACE_H
|
|
#define ANDROID_GUI_SURFACE_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/KeyedVector.h>
|
|
#include <utils/RefBase.h>
|
|
#include <utils/threads.h>
|
|
|
|
#include <ui/PixelFormat.h>
|
|
#include <ui/Region.h>
|
|
|
|
#include <gui/SurfaceTextureClient.h>
|
|
#include <gui/ISurface.h>
|
|
#include <gui/ISurfaceComposerClient.h>
|
|
|
|
#define ANDROID_VIEW_SURFACE_JNI_ID "mNativeSurface"
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class ISurfaceTexture;
|
|
class Surface;
|
|
class SurfaceComposerClient;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class SurfaceControl : public RefBase
|
|
{
|
|
public:
|
|
static bool isValid(const sp<SurfaceControl>& surface) {
|
|
return (surface != 0) && surface->isValid();
|
|
}
|
|
bool isValid() {
|
|
return mToken>=0 && mClient!=0;
|
|
}
|
|
static bool isSameSurface(
|
|
const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
|
|
|
|
uint32_t getIdentity() const { return mIdentity; }
|
|
|
|
// release surface data from java
|
|
void clear();
|
|
|
|
status_t setLayer(int32_t layer);
|
|
status_t setPosition(int32_t x, int32_t y);
|
|
status_t setSize(uint32_t w, uint32_t h);
|
|
status_t hide();
|
|
status_t show(int32_t layer = -1);
|
|
status_t setFlags(uint32_t flags, uint32_t mask);
|
|
status_t setTransparentRegionHint(const Region& transparent);
|
|
status_t setAlpha(float alpha=1.0f);
|
|
status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
|
|
status_t setCrop(const Rect& crop);
|
|
|
|
static status_t writeSurfaceToParcel(
|
|
const sp<SurfaceControl>& control, Parcel* parcel);
|
|
|
|
sp<Surface> getSurface() const;
|
|
|
|
private:
|
|
// can't be copied
|
|
SurfaceControl& operator = (SurfaceControl& rhs);
|
|
SurfaceControl(const SurfaceControl& rhs);
|
|
|
|
friend class SurfaceComposerClient;
|
|
friend class Surface;
|
|
|
|
SurfaceControl(
|
|
const sp<SurfaceComposerClient>& client,
|
|
const sp<ISurface>& surface,
|
|
const ISurfaceComposerClient::surface_data_t& data);
|
|
|
|
~SurfaceControl();
|
|
|
|
status_t validate() const;
|
|
void destroy();
|
|
|
|
sp<SurfaceComposerClient> mClient;
|
|
sp<ISurface> mSurface;
|
|
SurfaceID mToken;
|
|
uint32_t mIdentity;
|
|
mutable Mutex mLock;
|
|
|
|
mutable sp<Surface> mSurfaceData;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Surface : public SurfaceTextureClient
|
|
{
|
|
public:
|
|
struct SurfaceInfo {
|
|
uint32_t w;
|
|
uint32_t h;
|
|
uint32_t s;
|
|
uint32_t usage;
|
|
PixelFormat format;
|
|
void* bits;
|
|
uint32_t reserved[2];
|
|
};
|
|
|
|
explicit Surface(const sp<ISurfaceTexture>& st);
|
|
|
|
static status_t writeToParcel(const sp<Surface>& control, Parcel* parcel);
|
|
|
|
static sp<Surface> readFromParcel(const Parcel& data);
|
|
static bool isValid(const sp<Surface>& surface) {
|
|
return (surface != 0) && surface->isValid();
|
|
}
|
|
|
|
bool isValid();
|
|
uint32_t getIdentity() const { return mIdentity; }
|
|
sp<ISurfaceTexture> getSurfaceTexture();
|
|
|
|
// the lock/unlock APIs must be used from the same thread
|
|
status_t lock(SurfaceInfo* info, Region* dirty = NULL);
|
|
status_t unlockAndPost();
|
|
|
|
sp<IBinder> asBinder() const;
|
|
|
|
private:
|
|
// this is just to be able to write some unit tests
|
|
friend class Test;
|
|
friend class SurfaceControl;
|
|
|
|
// can't be copied
|
|
Surface& operator = (Surface& rhs);
|
|
Surface(const Surface& rhs);
|
|
|
|
explicit Surface(const sp<SurfaceControl>& control);
|
|
Surface(const Parcel& data, const sp<IBinder>& ref);
|
|
~Surface();
|
|
|
|
/*
|
|
* private stuff...
|
|
*/
|
|
void init(const sp<ISurfaceTexture>& surfaceTexture);
|
|
|
|
static void cleanCachedSurfacesLocked();
|
|
|
|
virtual int query(int what, int* value) const;
|
|
|
|
// constants
|
|
sp<ISurface> mSurface;
|
|
uint32_t mIdentity;
|
|
|
|
// A cache of Surface objects that have been deserialized into this process.
|
|
static Mutex sCachedSurfacesLock;
|
|
static DefaultKeyedVector<wp<IBinder>, wp<Surface> > sCachedSurfaces;
|
|
};
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_GUI_SURFACE_H
|