68a6afeb26
Take 2. We needed to check that the usage flags are "good enough" as opposed to "the same". This reverts commit 8f17a762fe9e9f31e4e86cb60ff2bfb6b10fdee6.
255 lines
8.0 KiB
C++
255 lines
8.0 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_UI_SURFACE_H
|
|
#define ANDROID_UI_SURFACE_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/RefBase.h>
|
|
#include <utils/threads.h>
|
|
|
|
#include <ui/ISurface.h>
|
|
#include <ui/PixelFormat.h>
|
|
#include <ui/Region.h>
|
|
#include <ui/ISurfaceFlingerClient.h>
|
|
|
|
#include <ui/egl/android_natives.h>
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class BufferMapper;
|
|
class IOMX;
|
|
class Rect;
|
|
class Surface;
|
|
class SurfaceComposerClient;
|
|
class SharedClient;
|
|
class SharedBufferClient;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
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);
|
|
|
|
SurfaceID ID() const { return mToken; }
|
|
uint32_t getFlags() const { return mFlags; }
|
|
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 freeze();
|
|
status_t unfreeze();
|
|
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 setFreezeTint(uint32_t tint);
|
|
|
|
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;
|
|
|
|
// camera and camcorder need access to the ISurface binder interface for preview
|
|
friend class Camera;
|
|
friend class MediaRecorder;
|
|
// mediaplayer needs access to ISurface for display
|
|
friend class MediaPlayer;
|
|
// for testing
|
|
friend class Test;
|
|
const sp<ISurface>& getISurface() const { return mSurface; }
|
|
|
|
|
|
friend class Surface;
|
|
|
|
SurfaceControl(
|
|
const sp<SurfaceComposerClient>& client,
|
|
const sp<ISurface>& surface,
|
|
const ISurfaceFlingerClient::surface_data_t& data,
|
|
uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
|
|
|
|
~SurfaceControl();
|
|
|
|
status_t validate(SharedClient const* cblk) const;
|
|
void destroy();
|
|
|
|
sp<SurfaceComposerClient> mClient;
|
|
sp<ISurface> mSurface;
|
|
SurfaceID mToken;
|
|
uint32_t mIdentity;
|
|
uint32_t mWidth;
|
|
uint32_t mHeight;
|
|
PixelFormat mFormat;
|
|
uint32_t mFlags;
|
|
mutable Mutex mLock;
|
|
|
|
mutable sp<Surface> mSurfaceData;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Surface
|
|
: public EGLNativeBase<android_native_window_t, Surface, RefBase>
|
|
{
|
|
public:
|
|
struct SurfaceInfo {
|
|
uint32_t w;
|
|
uint32_t h;
|
|
uint32_t s;
|
|
uint32_t usage;
|
|
PixelFormat format;
|
|
void* bits;
|
|
uint32_t reserved[2];
|
|
};
|
|
|
|
Surface(const Parcel& data);
|
|
|
|
static bool isValid(const sp<Surface>& surface) {
|
|
return (surface != 0) && surface->isValid();
|
|
}
|
|
|
|
static bool isSameSurface(
|
|
const sp<Surface>& lhs, const sp<Surface>& rhs);
|
|
|
|
bool isValid();
|
|
SurfaceID ID() const { return mToken; }
|
|
uint32_t getFlags() const { return mFlags; }
|
|
uint32_t getIdentity() const { return mIdentity; }
|
|
|
|
// the lock/unlock APIs must be used from the same thread
|
|
status_t lock(SurfaceInfo* info, bool blocking = true);
|
|
status_t lock(SurfaceInfo* info, Region* dirty, bool blocking = true);
|
|
status_t unlockAndPost();
|
|
|
|
// setSwapRectangle() is intended to be used by GL ES clients
|
|
void setSwapRectangle(const Rect& r);
|
|
|
|
private:
|
|
// can't be copied
|
|
Surface& operator = (Surface& rhs);
|
|
Surface(const Surface& rhs);
|
|
|
|
Surface(const sp<SurfaceControl>& control);
|
|
void init();
|
|
~Surface();
|
|
|
|
friend class SurfaceComposerClient;
|
|
friend class SurfaceControl;
|
|
|
|
|
|
// camera and camcorder need access to the ISurface binder interface for preview
|
|
friend class Camera;
|
|
friend class MediaRecorder;
|
|
// mediaplayer needs access to ISurface for display
|
|
friend class MediaPlayer;
|
|
friend class IOMX;
|
|
// this is just to be able to write some unit tests
|
|
friend class Test;
|
|
|
|
sp<SurfaceComposerClient> getClient() const;
|
|
sp<ISurface> getISurface() const;
|
|
|
|
status_t getBufferLocked(int index, int usage);
|
|
|
|
status_t validate(SharedClient const* cblk) const;
|
|
|
|
inline const BufferMapper& getBufferMapper() const { return mBufferMapper; }
|
|
inline BufferMapper& getBufferMapper() { return mBufferMapper; }
|
|
|
|
static int setSwapInterval(android_native_window_t* window, int interval);
|
|
static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
|
|
static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
|
|
static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
|
|
static int query(android_native_window_t* window, int what, int* value);
|
|
static int perform(android_native_window_t* window, int operation, ...);
|
|
|
|
int dequeueBuffer(android_native_buffer_t** buffer);
|
|
int lockBuffer(android_native_buffer_t* buffer);
|
|
int queueBuffer(android_native_buffer_t* buffer);
|
|
int query(int what, int* value);
|
|
int perform(int operation, va_list args);
|
|
|
|
status_t dequeueBuffer(sp<SurfaceBuffer>* buffer);
|
|
|
|
|
|
void setUsage(uint32_t reqUsage);
|
|
uint32_t getUsage() const;
|
|
|
|
// constants
|
|
sp<SurfaceComposerClient> mClient;
|
|
sp<ISurface> mSurface;
|
|
SurfaceID mToken;
|
|
uint32_t mIdentity;
|
|
PixelFormat mFormat;
|
|
uint32_t mFlags;
|
|
BufferMapper& mBufferMapper;
|
|
SharedBufferClient* mSharedBufferClient;
|
|
|
|
// protected by mSurfaceLock
|
|
Rect mSwapRectangle;
|
|
uint32_t mUsage;
|
|
|
|
// protected by mSurfaceLock. These are also used from lock/unlock
|
|
// but in that case, they must be called form the same thread.
|
|
sp<SurfaceBuffer> mBuffers[2];
|
|
mutable Region mDirtyRegion;
|
|
|
|
// must be used from the lock/unlock thread
|
|
sp<SurfaceBuffer> mLockedBuffer;
|
|
sp<SurfaceBuffer> mPostedBuffer;
|
|
mutable Region mOldDirtyRegion;
|
|
bool mNeedFullUpdate;
|
|
|
|
// query() must be called from dequeueBuffer() thread
|
|
uint32_t mWidth;
|
|
uint32_t mHeight;
|
|
|
|
// Inherently thread-safe
|
|
mutable Mutex mSurfaceLock;
|
|
mutable Mutex mApiLock;
|
|
};
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_UI_SURFACE_H
|
|
|