121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_DISPLAY_HARDWARE_H
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#define ANDROID_DISPLAY_HARDWARE_H
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#include <stdlib.h>
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#include <ui/PixelFormat.h>
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#include <ui/Region.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <pixelflinger/pixelflinger.h>
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#include "GLExtensions.h"
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#include "DisplayHardware/DisplayHardwareBase.h"
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struct overlay_control_device_t;
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namespace android {
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class FramebufferNativeWindow;
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class HWComposer;
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class DisplayHardware : public DisplayHardwareBase
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{
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public:
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enum {
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COPY_BITS_EXTENSION = 0x00000008,
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BUFFER_PRESERVED = 0x00010000,
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PARTIAL_UPDATES = 0x00020000, // video driver feature
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SLOW_CONFIG = 0x00040000, // software
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SWAP_RECTANGLE = 0x00080000,
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};
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DisplayHardware(
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const sp<SurfaceFlinger>& flinger,
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uint32_t displayIndex);
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~DisplayHardware();
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void releaseScreen() const;
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void acquireScreen() const;
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// Flip the front and back buffers if the back buffer is "dirty". Might
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// be instantaneous, might involve copying the frame buffer around.
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void flip(const Region& dirty) const;
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float getDpiX() const;
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float getDpiY() const;
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float getRefreshRate() const;
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float getDensity() const;
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int getWidth() const;
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int getHeight() const;
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PixelFormat getFormat() const;
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uint32_t getFlags() const;
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void makeCurrent() const;
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uint32_t getMaxTextureSize() const;
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uint32_t getMaxViewportDims() const;
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uint32_t getPageFlipCount() const;
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EGLDisplay getEGLDisplay() const { return mDisplay; }
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overlay_control_device_t* getOverlayEngine() const { return mOverlayEngine; }
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// Hardware Composer
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HWComposer& getHwComposer() const;
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status_t compositionComplete() const;
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Rect bounds() const {
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return Rect(mWidth, mHeight);
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}
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private:
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void init(uint32_t displayIndex) __attribute__((noinline));
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void fini() __attribute__((noinline));
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EGLDisplay mDisplay;
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EGLSurface mSurface;
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EGLContext mContext;
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EGLConfig mConfig;
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float mDpiX;
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float mDpiY;
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float mRefreshRate;
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float mDensity;
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int mWidth;
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int mHeight;
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PixelFormat mFormat;
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uint32_t mFlags;
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mutable uint32_t mPageFlipCount;
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GLint mMaxViewportDims;
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GLint mMaxTextureSize;
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HWComposer* mHwc;
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sp<FramebufferNativeWindow> mNativeWindow;
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overlay_control_device_t* mOverlayEngine;
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};
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}; // namespace android
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#endif // ANDROID_DISPLAY_HARDWARE_H
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