replicant-frameworks_native/services/surfaceflinger/DisplayHardware/DisplayHardware.h
Mathias Agopian 3e87601170 Implement SurfaceFlinger's ANW on top of BufferQueue
SF now has its own implementation of ANW for the
framebuffer and it uses BufferQueue. FramebufferNativeWindow
is now only used by stand-alone apps.

Change-Id: Iddeb24087df62bd92b0f78e391dda9b97ddc859c
2012-06-13 18:07:47 -07:00

153 lines
4.0 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_DISPLAY_HARDWARE_H
#define ANDROID_DISPLAY_HARDWARE_H
#include <stdlib.h>
#include <ui/PixelFormat.h>
#include <ui/Region.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "GLExtensions.h"
#include "DisplayHardware/DisplayHardwareBase.h"
#include "HWComposer.h"
#include "PowerHAL.h"
namespace android {
class FramebufferSurface;
class DisplayHardware :
public DisplayHardwareBase,
public HWComposer::EventHandler
{
public:
class VSyncHandler : virtual public RefBase {
friend class DisplayHardware;
virtual void onVSyncReceived(int dpy, nsecs_t timestamp) = 0;
protected:
virtual ~VSyncHandler() {}
};
enum {
COPY_BITS_EXTENSION = 0x00000008,
PARTIAL_UPDATES = 0x00020000, // video driver feature
SLOW_CONFIG = 0x00040000, // software
SWAP_RECTANGLE = 0x00080000,
};
DisplayHardware(
const sp<SurfaceFlinger>& flinger,
uint32_t displayIndex);
virtual ~DisplayHardware();
void releaseScreen() const;
void acquireScreen() const;
// Flip the front and back buffers if the back buffer is "dirty". Might
// be instantaneous, might involve copying the frame buffer around.
void flip(const Region& dirty) const;
float getDpiX() const;
float getDpiY() const;
float getRefreshRate() const;
float getDensity() const;
int getWidth() const;
int getHeight() const;
PixelFormat getFormat() const;
uint32_t getFlags() const;
uint32_t getMaxTextureSize() const;
uint32_t getMaxViewportDims() const;
nsecs_t getRefreshPeriod() const;
nsecs_t getRefreshTimestamp() const;
void makeCurrent() const;
void setVSyncHandler(const sp<VSyncHandler>& handler);
enum {
EVENT_VSYNC = HWC_EVENT_VSYNC
};
void eventControl(int event, int enabled);
uint32_t getPageFlipCount() const;
EGLDisplay getEGLDisplay() const { return mDisplay; }
void dump(String8& res) const;
// Hardware Composer
HWComposer& getHwComposer() const;
status_t compositionComplete() const;
Rect getBounds() const {
return Rect(mWidth, mHeight);
}
inline Rect bounds() const { return getBounds(); }
private:
virtual void onVSyncReceived(int dpy, nsecs_t timestamp);
void init(uint32_t displayIndex) __attribute__((noinline));
void fini() __attribute__((noinline));
sp<SurfaceFlinger> mFlinger;
EGLDisplay mDisplay;
EGLSurface mSurface;
EGLContext mContext;
EGLConfig mConfig;
float mDpiX;
float mDpiY;
float mRefreshRate;
float mDensity;
int mWidth;
int mHeight;
PixelFormat mFormat;
uint32_t mFlags;
mutable uint32_t mPageFlipCount;
GLint mMaxViewportDims[2];
GLint mMaxTextureSize;
nsecs_t mRefreshPeriod;
mutable nsecs_t mLastHwVSync;
// constant once set
HWComposer* mHwc;
PowerHAL mPowerHAL;
mutable Mutex mLock;
// protected by mLock
wp<VSyncHandler> mVSyncHandler;
sp<FramebufferSurface> mNativeWindow;
};
}; // namespace android
#endif // ANDROID_DISPLAY_HARDWARE_H