SurfaceTextureClient.h revision 8f9dbf9e13b927de2524116c30544f7dfbbbf56c
18ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis/* 28ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Copyright (C) 2010 The Android Open Source Project 38ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 48ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Licensed under the Apache License, Version 2.0 (the "License"); 58ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * you may not use this file except in compliance with the License. 68ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * You may obtain a copy of the License at 78ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 88ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * http://www.apache.org/licenses/LICENSE-2.0 98ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 108ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Unless required by applicable law or agreed to in writing, software 118ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * distributed under the License is distributed on an "AS IS" BASIS, 128ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * See the License for the specific language governing permissions and 148ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * limitations under the License. 158ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis */ 168ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 178ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#ifndef ANDROID_GUI_SURFACETEXTURECLIENT_H 188ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#define ANDROID_GUI_SURFACETEXTURECLIENT_H 198ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 208ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <gui/ISurfaceTexture.h> 218ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <gui/SurfaceTexture.h> 228ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 238ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <ui/egl/android_natives.h> 248f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian#include <ui/Region.h> 258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/RefBase.h> 278ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/threads.h> 288ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisnamespace android { 308ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 317a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopianclass Surface; 327a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 338ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisclass SurfaceTextureClient 348ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis : public EGLNativeBase<ANativeWindow, SurfaceTextureClient, RefBase> 358ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis{ 368ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennispublic: 378ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient(const sp<ISurfaceTexture>& surfaceTexture); 388ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 39bae774eb20bebd409441b93386b51bccda75f546Jamie Gennis sp<ISurfaceTexture> getISurfaceTexture() const; 40bae774eb20bebd409441b93386b51bccda75f546Jamie Gennis 418f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprotected: 428f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian SurfaceTextureClient(); 438f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void setISurfaceTexture(const sp<ISurfaceTexture>& surfaceTexture); 448ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 458f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprivate: 468ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // can't be copied 478ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs); 488ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient(const SurfaceTextureClient& rhs); 498f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void init(); 508ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 518ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ANativeWindow hooks 528f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 538f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer); 548f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 558f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_perform(ANativeWindow* window, int operation, ...); 568f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_query(const ANativeWindow* window, int what, int* value); 578f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 588f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_setSwapInterval(ANativeWindow* window, int interval); 598ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 608ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchConnect(va_list args); 618ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchDisconnect(va_list args); 628ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBufferCount(va_list args); 638ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersGeometry(va_list args); 64bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersDimensions(va_list args); 65bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersFormat(va_list args); 668ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersTransform(va_list args); 671d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int dispatchSetBuffersTimestamp(va_list args); 689d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetCrop(va_list args); 699d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetUsage(va_list args); 708f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int dispatchLock(va_list args); 718f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int dispatchUnlockAndPost(va_list args); 728f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 738f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprotected: 748f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int cancelBuffer(ANativeWindowBuffer* buffer); 758f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int dequeueBuffer(ANativeWindowBuffer** buffer); 768f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int lockBuffer(ANativeWindowBuffer* buffer); 778f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int perform(int operation, va_list args); 788f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int query(int what, int* value) const; 798f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int queueBuffer(ANativeWindowBuffer* buffer); 808f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setSwapInterval(int interval); 818f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 828f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int connect(int api); 838f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int disconnect(int api); 848f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBufferCount(int bufferCount); 858f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersDimensions(int w, int h); 868f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersFormat(int format); 878f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersTransform(int transform); 888f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersTimestamp(int64_t timestamp); 898f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setCrop(Rect const* rect); 908f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setUsage(uint32_t reqUsage); 918f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds); 928f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int unlockAndPost(); 937a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 949d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis enum { MIN_UNDEQUEUED_BUFFERS = SurfaceTexture::MIN_UNDEQUEUED_BUFFERS }; 958ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { NUM_BUFFER_SLOTS = SurfaceTexture::NUM_BUFFER_SLOTS }; 968ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 }; 978ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 988f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprivate: 998f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void freeAllBuffers(); 1008f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int getSlotFromBufferLocked(android_native_buffer_t* buffer) const; 1018f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 1028ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSurfaceTexture is the interface to the surface texture server. All 1038ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operations on the surface texture client ultimately translate into 1048ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // interactions with the server using this interface. 1058ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<ISurfaceTexture> mSurfaceTexture; 1068ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1071b20cde313b5ef8acdace742328df867956d24cbJamie Gennis // mAllocator is the binder object that is referenced to prevent the 1081b20cde313b5ef8acdace742328df867956d24cbJamie Gennis // dequeued buffers from being freed prematurely. 1091b20cde313b5ef8acdace742328df867956d24cbJamie Gennis sp<IBinder> mAllocator; 1101b20cde313b5ef8acdace742328df867956d24cbJamie Gennis 1118ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSlots stores the buffers that have been allocated for each buffer slot. 1128ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // It is initialized to null pointers, and gets filled in with the result of 1138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ISurfaceTexture::requestBuffer when the client dequeues a buffer from a 1148ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // slot that has not yet been used. The buffer allocated to a slot will also 1158ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // be replaced if the requested buffer usage or geometry differs from that 1168ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // of the buffer allocated to a slot. 1178ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<GraphicBuffer> mSlots[NUM_BUFFER_SLOTS]; 1188ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1198ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqWidth is the buffer width that will be requested at the next dequeue 1208ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1218ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqWidth; 1228ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1238ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqHeight is the buffer height that will be requested at the next deuque 1248ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqHeight; 1268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1278ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqFormat is the buffer pixel format that will be requested at the next 1288ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888. 1298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqFormat; 1308ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1318ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqUsage is the set of buffer usage flags that will be requested 1328ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // at the next deuque operation. It is initialized to 0. 1338ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqUsage; 1348ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1351d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // mTimestamp is the timestamp that will be used for the next buffer queue 1361d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that 1371d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // a timestamp is auto-generated when queueBuffer is called. 1381d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int64_t mTimestamp; 1391d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala 1407a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryWidth is the width returned by query(). It is set to width 1417a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // of the last dequeued buffer or to mReqWidth if no buffer was dequeued. 1427a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryWidth; 1437a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1447a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryHeight is the height returned by query(). It is set to height 1457a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // of the last dequeued buffer or to mReqHeight if no buffer was dequeued. 1467a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryHeight; 1477a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1487a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryFormat is the format returned by query(). It is set to the last 1497a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // dequeued format or to mReqFormat if no buffer was dequeued. 1507a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryFormat; 1517a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1528ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mMutex is the mutex used to prevent concurrent access to the member 1538ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // variables of SurfaceTexture objects. It must be locked whenever the 1548ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // member variables are accessed. 1557a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian mutable Mutex mMutex; 1568f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 1578f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian // must be used from the lock/unlock thread 1588f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian sp<GraphicBuffer> mLockedBuffer; 1598f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian sp<GraphicBuffer> mPostedBuffer; 1608f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian mutable Region mOldDirtyRegion; 1618f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian bool mConnectedToCpu; 1628ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; 1638ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1648ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; // namespace android 1658ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1668ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#endif // ANDROID_GUI_SURFACETEXTURECLIENT_H 167