FramebufferNativeWindow.h revision 7189c0054e29a66d945f5657c48d5ecf538ea511
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H 18#define ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H 19 20#include <stdint.h> 21#include <sys/types.h> 22 23#include <EGL/egl.h> 24 25#include <utils/threads.h> 26#include <ui/Rect.h> 27 28#include <pixelflinger/pixelflinger.h> 29 30#include <ui/egl/android_natives.h> 31 32 33extern "C" EGLNativeWindowType android_createDisplaySurface(void); 34 35// --------------------------------------------------------------------------- 36namespace android { 37// --------------------------------------------------------------------------- 38 39class Surface; 40class NativeBuffer; 41 42// --------------------------------------------------------------------------- 43 44class FramebufferNativeWindow 45 : public EGLNativeBase< 46 android_native_window_t, 47 FramebufferNativeWindow, 48 LightRefBase<FramebufferNativeWindow> > 49{ 50public: 51 FramebufferNativeWindow(); 52 53 framebuffer_device_t const * getDevice() const { return fbDev; } 54 55private: 56 friend class LightRefBase<FramebufferNativeWindow>; 57 ~FramebufferNativeWindow(); // this class cannot be overloaded 58 static int setSwapInterval(android_native_window_t* window, int interval); 59 static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer); 60 static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer); 61 static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer); 62 63 framebuffer_device_t* fbDev; 64 alloc_device_t* grDev; 65 66 sp<NativeBuffer> buffers[2]; 67 sp<NativeBuffer> front; 68 69 mutable Mutex mutex; 70 Condition mCondition; 71 int32_t mNumBuffers; 72 int32_t mNumFreeBuffers; 73 int32_t mBufferHead; 74}; 75 76// --------------------------------------------------------------------------- 77}; // namespace android 78// --------------------------------------------------------------------------- 79 80#endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H 81 82