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/*
* 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 Rect;
class Surface;
class SurfaceComposerClient;
struct per_client_cblk_t;
struct layer_cblk_t;
// ---------------------------------------------------------------------------
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(per_client_cblk_t const* cblk) const;
void destroy();
sp<SurfaceComposerClient> mClient;
sp<ISurface> mSurface;
SurfaceID mToken;
uint32_t mIdentity;
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();
}
bool isValid() {
return mToken>=0 && mClient!=0;
}
static bool isSameSurface(
const sp<Surface>& lhs, const sp<Surface>& rhs);
SurfaceID ID() const { return mToken; }
uint32_t getFlags() const { return mFlags; }
uint32_t getIdentity() const { return mIdentity; }
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 Test;
const sp<ISurface>& getISurface() const { return mSurface; }
status_t getBufferLocked(int index);
status_t validate(per_client_cblk_t const* cblk) const;
static void _send_dirty_region(layer_cblk_t* lcblk, const Region& dirty);
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);
int dequeueBuffer(android_native_buffer_t** buffer);
int lockBuffer(android_native_buffer_t* buffer);
int queueBuffer(android_native_buffer_t* buffer);
status_t dequeueBuffer(sp<SurfaceBuffer>* buffer);
status_t lockBuffer(const sp<SurfaceBuffer>& buffer);
status_t queueBuffer(const sp<SurfaceBuffer>& buffer);
alloc_device_t* mAllocDevice;
sp<SurfaceComposerClient> mClient;
sp<ISurface> mSurface;
sp<SurfaceBuffer> mBuffers[2];
sp<SurfaceBuffer> mLockedBuffer;
SurfaceID mToken;
uint32_t mIdentity;
PixelFormat mFormat;
uint32_t mFlags;
mutable Region mDirtyRegion;
mutable Region mOldDirtyRegion;
mutable uint8_t mBackbufferIndex;
mutable Mutex mSurfaceLock;
Rect mSwapRectangle;
BufferMapper& mBufferMapper;
};
}; // namespace android
#endif // ANDROID_UI_SURFACE_H