Surface.h revision cf0b8c85fb0106751256dba7821f86b5ad03126c
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * Copyright (C) 2010 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1790ac799241f077a7b7e6c1875fd933864c8dd2a7Mathias Agopian#ifndef ANDROID_GUI_SURFACE_H 1890ac799241f077a7b7e6c1875fd933864c8dd2a7Mathias Agopian#define ANDROID_GUI_SURFACE_H 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 20e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <gui/IGraphicBufferProducer.h> 21e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <gui/GLConsumer.h> 22e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <gui/BufferQueue.h> 23e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 24e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <ui/ANativeObjectBase.h> 25e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <ui/Region.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/RefBase.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 29e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#include <utils/KeyedVector.h> 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 31e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianstruct ANativeWindow_Buffer; 329cce325fae8adcf7560a28eef394489f09bad74dMathias Agopian 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 350273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden/* 36e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * An implementation of ANativeWindow that feeds graphics buffers into a 37e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * BufferQueue. 380273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden * 39e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * This is typically used by programs that want to render frames through 40e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * some means (maybe OpenGL, a software renderer, or a hardware decoder) 41e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * and have the frames they create forwarded to SurfaceFlinger for 42e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * compositing. For example, a video decoder could render a frame and call 43e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * eglSwapBuffers(), which invokes ANativeWindow callbacks defined by 44e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * Surface. Surface then forwards the buffers through Binder IPC 45e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * to the BufferQueue's producer interface, providing the new frame to a 46e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * consumer such as GLConsumer. 470273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden */ 48e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianclass Surface 49e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian : public ANativeObjectBase<ANativeWindow, Surface, RefBase> 50076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 53cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian /* 54cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * creates a Surface from the given IGraphicBufferProducer (which concrete 55cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * implementation is a BufferQueue). 56cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * 57cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * Surface is mainly state-less while it's disconnected, it can be 58cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * viewed as a glorified IGraphicBufferProducer holder. It's therefore 59cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * safe to create other Surfaces from the same IGraphicBufferProducer. 60cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * 61cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * However, once a Surface is connected, it'll prevent other Surfaces 62cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * referring to the same IGraphicBufferProducer to become connected and 63cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * therefore prevent them to be used as actual producers of buffers. 64cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian */ 65e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Surface(const sp<IGraphicBufferProducer>& bufferProducer); 66bd050ab2af1421d527d1a80ce59dd8d9940a838cTed Bonkenburg 67cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian /* getIGraphicBufferProducer() returns the IGraphicBufferProducer this 68cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * Surface was created with. Usually it's an error to use the 69cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * IGraphicBufferProducer while the Surface is connected. 70cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian */ 71e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian sp<IGraphicBufferProducer> getIGraphicBufferProducer() const; 72bd050ab2af1421d527d1a80ce59dd8d9940a838cTed Bonkenburg 73cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian /* convenience function to check that the given surface is non NULL as 74cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * well as its IGraphicBufferProducer */ 75c4905eb49d20667381f3cda7c6f6894234404bd3Mathias Agopian static bool isValid(const sp<Surface>& surface) { 76f25c5086cf46eb029d887f34f25a09220e44958cMathias Agopian return surface != NULL && surface->getIGraphicBufferProducer() != NULL; 77f25c5086cf46eb029d887f34f25a09220e44958cMathias Agopian } 78f25c5086cf46eb029d887f34f25a09220e44958cMathias Agopian 79cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian /* writes the given Surface into a Parcel */ 80cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian static status_t writeToParcel(const sp<Surface>& surface, Parcel* parcel); 81cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian 82cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian /* constructs a Surface from a Parcel. see Surface::writeToParcel() 83cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian * and SurfaceControl::writeToParcel() */ 84cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian static sp<Surface> readFromParcel(const Parcel& data); 85cf0b8c85fb0106751256dba7821f86b5ad03126cMathias Agopian 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 87e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianprotected: 88e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Surface(); 89e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual ~Surface(); 90e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian void setIGraphicBufferProducer(const sp<IGraphicBufferProducer>& bufferProducer); 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 92b296533607232357597b255679db29470ab5925dMathias Agopianprivate: 93b296533607232357597b255679db29470ab5925dMathias Agopian // can't be copied 94e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Surface& operator = (const Surface& rhs); 95b296533607232357597b255679db29470ab5925dMathias Agopian Surface(const Surface& rhs); 96e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian void init(); 97e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 98e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // ANativeWindow hooks 99e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_cancelBuffer(ANativeWindow* window, 100e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer* buffer, int fenceFd); 101e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_dequeueBuffer(ANativeWindow* window, 102e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer** buffer, int* fenceFd); 103e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_perform(ANativeWindow* window, int operation, ...); 104e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_query(const ANativeWindow* window, int what, int* value); 105e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_queueBuffer(ANativeWindow* window, 106e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer* buffer, int fenceFd); 107e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_setSwapInterval(ANativeWindow* window, int interval); 108e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 109e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_cancelBuffer_DEPRECATED(ANativeWindow* window, 110e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer* buffer); 111e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_dequeueBuffer_DEPRECATED(ANativeWindow* window, 112e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer** buffer); 113e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_lockBuffer_DEPRECATED(ANativeWindow* window, 114e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer* buffer); 115e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian static int hook_queueBuffer_DEPRECATED(ANativeWindow* window, 116e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian ANativeWindowBuffer* buffer); 117e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 118e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchConnect(va_list args); 119e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchDisconnect(va_list args); 120e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBufferCount(va_list args); 121e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersGeometry(va_list args); 122e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersDimensions(va_list args); 123e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersUserDimensions(va_list args); 124e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersFormat(va_list args); 125e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetScalingMode(va_list args); 126e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersTransform(va_list args); 127e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetBuffersTimestamp(va_list args); 128e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetCrop(va_list args); 129e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetPostTransformCrop(va_list args); 130e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchSetUsage(va_list args); 131e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchLock(va_list args); 132e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int dispatchUnlockAndPost(va_list args); 133e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 134e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianprotected: 135e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd); 136e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int cancelBuffer(ANativeWindowBuffer* buffer, int fenceFd); 137e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int queueBuffer(ANativeWindowBuffer* buffer, int fenceFd); 138e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int perform(int operation, va_list args); 139e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int query(int what, int* value) const; 140e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setSwapInterval(int interval); 141e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 142e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int lockBuffer_DEPRECATED(ANativeWindowBuffer* buffer); 143e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 144e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int connect(int api); 145e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int disconnect(int api); 146e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBufferCount(int bufferCount); 147e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBuffersDimensions(int w, int h); 148e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBuffersUserDimensions(int w, int h); 149e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBuffersFormat(int format); 150e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setScalingMode(int mode); 151e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBuffersTransform(int transform); 152e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setBuffersTimestamp(int64_t timestamp); 153e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setCrop(Rect const* rect); 154e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int setUsage(uint32_t reqUsage); 155076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 156e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianpublic: 157e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds); 158e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian virtual int unlockAndPost(); 159b296533607232357597b255679db29470ab5925dMathias Agopian 160e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianprotected: 161e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian enum { NUM_BUFFER_SLOTS = BufferQueue::NUM_BUFFER_SLOTS }; 162e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 }; 163aca4e2287939b4ce3d9e9aced64c5c9641333503Jamie Gennis 164e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianprivate: 165e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian void freeAllBuffers(); 166e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int getSlotFromBufferLocked(android_native_buffer_t* buffer) const; 1678f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 168e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian struct BufferSlot { 169e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian sp<GraphicBuffer> buffer; 170e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Region dirtyRegion; 171e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian }; 172ba5972ffdc7179dd9a387f22032eb18666d97917Mathias Agopian 173e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mSurfaceTexture is the interface to the surface texture server. All 174e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // operations on the surface texture client ultimately translate into 175e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // interactions with the server using this interface. 176e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // TODO: rename to mBufferProducer 177e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian sp<IGraphicBufferProducer> mGraphicBufferProducer; 178e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 179e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mSlots stores the buffers that have been allocated for each buffer slot. 180e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // It is initialized to null pointers, and gets filled in with the result of 181e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // IGraphicBufferProducer::requestBuffer when the client dequeues a buffer from a 182e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // slot that has not yet been used. The buffer allocated to a slot will also 183e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // be replaced if the requested buffer usage or geometry differs from that 184e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // of the buffer allocated to a slot. 185e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian BufferSlot mSlots[NUM_BUFFER_SLOTS]; 186e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 187e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mReqWidth is the buffer width that will be requested at the next dequeue 188e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // operation. It is initialized to 1. 189e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mReqWidth; 190e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 191e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mReqHeight is the buffer height that will be requested at the next 192e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // dequeue operation. It is initialized to 1. 193e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mReqHeight; 194e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 195e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mReqFormat is the buffer pixel format that will be requested at the next 196e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888. 197e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mReqFormat; 198e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 199e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mReqUsage is the set of buffer usage flags that will be requested 200e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // at the next deuque operation. It is initialized to 0. 201e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mReqUsage; 202e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 203e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mTimestamp is the timestamp that will be used for the next buffer queue 204e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that 205e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // a timestamp is auto-generated when queueBuffer is called. 206e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int64_t mTimestamp; 207e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 208e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mCrop is the crop rectangle that will be used for the next buffer 209e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // that gets queued. It is set by calling setCrop. 210e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Rect mCrop; 211e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 212e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mScalingMode is the scaling mode that will be used for the next 213e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // buffers that get queued. It is set by calling setScalingMode. 214e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian int mScalingMode; 215e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 216e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mTransform is the transform identifier that will be used for the next 217e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // buffer that gets queued. It is set by calling setTransform. 218e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mTransform; 219e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 220e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mDefaultWidth is default width of the buffers, regardless of the 221e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // native_window_set_buffers_dimensions call. 222e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mDefaultWidth; 223e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 224e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mDefaultHeight is default height of the buffers, regardless of the 225e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // native_window_set_buffers_dimensions call. 226e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mDefaultHeight; 227e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 228e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mUserWidth, if non-zero, is an application-specified override 229e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // of mDefaultWidth. This is lower priority than the width set by 230e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // native_window_set_buffers_dimensions. 231e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mUserWidth; 232e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 233e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mUserHeight, if non-zero, is an application-specified override 234e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // of mDefaultHeight. This is lower priority than the height set 235e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // by native_window_set_buffers_dimensions. 236e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mUserHeight; 237e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 238e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mTransformHint is the transform probably applied to buffers of this 239e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // window. this is only a hint, actual transform may differ. 240e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian uint32_t mTransformHint; 241e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 242e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mConsumerRunningBehind whether the consumer is running more than 243e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // one buffer behind the producer. 244e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian mutable bool mConsumerRunningBehind; 245e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 246e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // mMutex is the mutex used to prevent concurrent access to the member 247e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // variables of Surface objects. It must be locked whenever the 248e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // member variables are accessed. 249e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian mutable Mutex mMutex; 250e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 251e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // must be used from the lock/unlock thread 252e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian sp<GraphicBuffer> mLockedBuffer; 253e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian sp<GraphicBuffer> mPostedBuffer; 254e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian bool mConnectedToCpu; 255e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian 256e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian // must be accessed from lock/unlock thread only 257e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian Region mDirtyRegion; 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 262e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian#endif // ANDROID_GUI_SURFACE_H 263