SurfaceTextureClient.h revision 5f2165f9455d4893b581b73a67c5431f4344b47e
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 235f2165f9455d4893b581b73a67c5431f4344b47eMathias Agopian#include <ui/ANativeObjectBase.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 345f2165f9455d4893b581b73a67c5431f4344b47eMathias Agopian : public ANativeObjectBase<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(); 43a36bcd53ac075054bb39ef506687f4daaf9bac6bMathias Agopian virtual ~SurfaceTextureClient(); 448f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void setISurfaceTexture(const sp<ISurfaceTexture>& surfaceTexture); 458ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 468f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprivate: 478ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // can't be copied 488ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs); 498ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient(const SurfaceTextureClient& rhs); 508f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void init(); 518ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 528ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ANativeWindow hooks 538f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 548f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer); 558f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 568f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_perform(ANativeWindow* window, int operation, ...); 578f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_query(const ANativeWindow* window, int what, int* value); 588f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 598f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian static int hook_setSwapInterval(ANativeWindow* window, int interval); 608ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 618ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchConnect(va_list args); 628ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchDisconnect(va_list args); 638ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBufferCount(va_list args); 648ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersGeometry(va_list args); 65bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersDimensions(va_list args); 66bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersFormat(va_list args); 677734ebfe47f42f980c1b44c1f284a91d8ad1d6c7Mathias Agopian int dispatchSetScalingMode(va_list args); 688ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersTransform(va_list args); 691d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int dispatchSetBuffersTimestamp(va_list args); 709d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetCrop(va_list args); 719d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetUsage(va_list args); 728f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int dispatchLock(va_list args); 738f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int dispatchUnlockAndPost(va_list args); 748f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 758f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprotected: 768f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int cancelBuffer(ANativeWindowBuffer* buffer); 778f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int dequeueBuffer(ANativeWindowBuffer** buffer); 788f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int lockBuffer(ANativeWindowBuffer* buffer); 798f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int perform(int operation, va_list args); 808f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int query(int what, int* value) const; 818f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int queueBuffer(ANativeWindowBuffer* buffer); 828f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setSwapInterval(int interval); 838f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 848f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int connect(int api); 858f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int disconnect(int api); 868f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBufferCount(int bufferCount); 878f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersDimensions(int w, int h); 888f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersFormat(int format); 897734ebfe47f42f980c1b44c1f284a91d8ad1d6c7Mathias Agopian virtual int setScalingMode(int mode); 908f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersTransform(int transform); 918f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setBuffersTimestamp(int64_t timestamp); 928f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setCrop(Rect const* rect); 938f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int setUsage(uint32_t reqUsage); 948f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds); 958f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian virtual int unlockAndPost(); 967a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 979d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis enum { MIN_UNDEQUEUED_BUFFERS = SurfaceTexture::MIN_UNDEQUEUED_BUFFERS }; 988ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { NUM_BUFFER_SLOTS = SurfaceTexture::NUM_BUFFER_SLOTS }; 998ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 }; 1008ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1018f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopianprivate: 1028f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian void freeAllBuffers(); 1038f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian int getSlotFromBufferLocked(android_native_buffer_t* buffer) const; 1048f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 1058ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSurfaceTexture is the interface to the surface texture server. All 1068ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operations on the surface texture client ultimately translate into 1078ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // interactions with the server using this interface. 1088ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<ISurfaceTexture> mSurfaceTexture; 1098ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1108ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSlots stores the buffers that have been allocated for each buffer slot. 1118ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // It is initialized to null pointers, and gets filled in with the result of 1128ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ISurfaceTexture::requestBuffer when the client dequeues a buffer from a 1138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // slot that has not yet been used. The buffer allocated to a slot will also 1148ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // be replaced if the requested buffer usage or geometry differs from that 1158ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // of the buffer allocated to a slot. 1168ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<GraphicBuffer> mSlots[NUM_BUFFER_SLOTS]; 1178ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1188ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqWidth is the buffer width that will be requested at the next dequeue 1198ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1208ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqWidth; 1218ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1228ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqHeight is the buffer height that will be requested at the next deuque 1238ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1248ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqHeight; 1258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqFormat is the buffer pixel format that will be requested at the next 1278ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888. 1288ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqFormat; 1298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1308ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqUsage is the set of buffer usage flags that will be requested 1318ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // at the next deuque operation. It is initialized to 0. 1328ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqUsage; 1338ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1341d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // mTimestamp is the timestamp that will be used for the next buffer queue 1351d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that 1361d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // a timestamp is auto-generated when queueBuffer is called. 1371d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int64_t mTimestamp; 1381d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala 13997c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian // mDefaultWidth is default width of the window, regardless of the 1403fbce7c56082e4e0d23f1c1c89983d3841853ed7Mathias Agopian // native_window_set_buffers_dimensions call 14197c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian uint32_t mDefaultWidth; 14297c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian 14397c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian // mDefaultHeight is default width of the window, regardless of the 1443fbce7c56082e4e0d23f1c1c89983d3841853ed7Mathias Agopian // native_window_set_buffers_dimensions call 14597c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian uint32_t mDefaultHeight; 14697c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian 14797c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian // mTransformHint is the transform probably applied to buffers of this 14897c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian // window. this is only a hint, actual transform may differ. 14997c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian uint32_t mTransformHint; 15097c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian 1518ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mMutex is the mutex used to prevent concurrent access to the member 1528ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // variables of SurfaceTexture objects. It must be locked whenever the 1538ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // member variables are accessed. 1547a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian mutable Mutex mMutex; 1558f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian 1568f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian // must be used from the lock/unlock thread 1578f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian sp<GraphicBuffer> mLockedBuffer; 1588f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian sp<GraphicBuffer> mPostedBuffer; 1598f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian mutable Region mOldDirtyRegion; 1608f9dbf9e13b927de2524116c30544f7dfbbbf56cMathias Agopian bool mConnectedToCpu; 1618ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; 1628ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1638ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; // namespace android 1648ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1658ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#endif // ANDROID_GUI_SURFACETEXTURECLIENT_H 166