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 #warning "FramebufferNativeWindow is deprecated" 21 22 #include <stdint.h> 23 #include <sys/types.h> 24 25 #include <EGL/egl.h> 26 27 #include <utils/threads.h> 28 #include <utils/String8.h> 29 30 #include <ui/ANativeObjectBase.h> 31 #include <ui/Rect.h> 32 33 #define MIN_NUM_FRAME_BUFFERS 2 34 #define MAX_NUM_FRAME_BUFFERS 3 35 36 extern "C" EGLNativeWindowType android_createDisplaySurface(void); 37 38 // --------------------------------------------------------------------------- 39 namespace android { 40 // --------------------------------------------------------------------------- 41 42 class Surface; 43 class NativeBuffer; 44 45 // --------------------------------------------------------------------------- 46 47 class FramebufferNativeWindow 48 : public ANativeObjectBase< 49 ANativeWindow, 50 FramebufferNativeWindow, 51 LightRefBase<FramebufferNativeWindow> > 52 { 53 public: 54 FramebufferNativeWindow(); 55 getDevice()56 framebuffer_device_t const * getDevice() const { return fbDev; } 57 isUpdateOnDemand()58 bool isUpdateOnDemand() const { return mUpdateOnDemand; } 59 status_t setUpdateRectangle(const Rect& updateRect); 60 status_t compositionComplete(); 61 62 void dump(String8& result); 63 64 // for debugging only 65 int getCurrentBufferIndex() const; 66 67 private: 68 friend class LightRefBase<FramebufferNativeWindow>; 69 ~FramebufferNativeWindow(); // this class cannot be overloaded 70 static int setSwapInterval(ANativeWindow* window, int interval); 71 static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer, int* fenceFd); 72 static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd); 73 static int query(const ANativeWindow* window, int what, int* value); 74 static int perform(ANativeWindow* window, int operation, ...); 75 76 static int dequeueBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer** buffer); 77 static int queueBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer* buffer); 78 static int lockBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer* buffer); 79 80 framebuffer_device_t* fbDev; 81 alloc_device_t* grDev; 82 83 sp<NativeBuffer> buffers[MAX_NUM_FRAME_BUFFERS]; 84 sp<NativeBuffer> front; 85 86 mutable Mutex mutex; 87 Condition mCondition; 88 int32_t mNumBuffers; 89 int32_t mNumFreeBuffers; 90 int32_t mBufferHead; 91 int32_t mCurrentBufferIndex; 92 bool mUpdateOnDemand; 93 }; 94 95 // --------------------------------------------------------------------------- 96 }; // namespace android 97 // --------------------------------------------------------------------------- 98 99 #endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H 100 101