FramebufferNativeWindow.h revision df37b62c62f8efd3b5a433f9b4d40d30cec13a31
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 55 bool isUpdateOnDemand() const { return mUpdateOnDemand; } 56 status_t setUpdateRectangle(const Rect& updateRect); 57 58private: 59 friend class LightRefBase<FramebufferNativeWindow>; 60 ~FramebufferNativeWindow(); // this class cannot be overloaded 61 static int setSwapInterval(android_native_window_t* window, int interval); 62 static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer); 63 static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer); 64 static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer); 65 static int query(android_native_window_t* window, int what, int* value); 66 static int perform(android_native_window_t* window, int operation, ...); 67 68 framebuffer_device_t* fbDev; 69 alloc_device_t* grDev; 70 71 sp<NativeBuffer> buffers[2]; 72 sp<NativeBuffer> front; 73 74 mutable Mutex mutex; 75 Condition mCondition; 76 int32_t mNumBuffers; 77 int32_t mNumFreeBuffers; 78 int32_t mBufferHead; 79 bool mUpdateOnDemand; 80}; 81 82// --------------------------------------------------------------------------- 83}; // namespace android 84// --------------------------------------------------------------------------- 85 86#endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H 87 88