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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_DISPLAY_HARDWARE_H
#define ANDROID_DISPLAY_HARDWARE_H
#include <stdlib.h>
#include <ui/PixelFormat.h>
#include <ui/Region.h>
#include <GLES/egl.h>
#include "DisplayHardware/DisplayHardwareBase.h"
struct copybit_image_t;
struct copybit_t;
namespace android {
class EGLDisplaySurface;
class DisplayHardware : public DisplayHardwareBase
{
public:
enum {
COPY_BACK_EXTENSION = 0x00000001,
DIRECT_TEXTURE = 0x00000002,
SWAP_RECTANGLE_EXTENSION= 0x00000004,
COPY_BITS_EXTENSION = 0x00000008,
NPOT_EXTENSION = 0x00000100,
DRAW_TEXTURE_EXTENSION = 0x00000200,
BUFFER_PRESERVED = 0x00010000,
UPDATE_ON_DEMAND = 0x00020000, // video driver feature
SLOW_CONFIG = 0x00040000, // software
};
DisplayHardware(
const sp<SurfaceFlinger>& flinger,
uint32_t displayIndex);
~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;
int getWidth() const;
int getHeight() const;
PixelFormat getFormat() const;
uint32_t getFlags() const;
void makeCurrent() const;
uint32_t getPageFlipCount() const;
void getDisplaySurface(copybit_image_t* img) const;
void getDisplaySurface(GGLSurface* fb) const;
EGLDisplay getEGLDisplay() const { return mDisplay; }
copybit_t* getBlitEngine() const { return mBlitEngine; }
Rect bounds() const {
return Rect(mWidth, mHeight);
}
private:
void init(uint32_t displayIndex) __attribute__((noinline));
void fini() __attribute__((noinline));
EGLDisplay mDisplay;
EGLSurface mSurface;
EGLContext mContext;
EGLConfig mConfig;
float mDpiX;
float mDpiY;
float mRefreshRate;
int mWidth;
int mHeight;
PixelFormat mFormat;
uint32_t mFlags;
mutable Region mDirty;
sp<EGLDisplaySurface> mDisplaySurface;
copybit_t* mBlitEngine;
};
}; // namespace android
#endif // ANDROID_DISPLAY_HARDWARE_H
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