SurfaceTextureClient.h revision bee205fd58a27c10a0895de5339e76025d429d2b
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> 248ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/RefBase.h> 268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/threads.h> 278ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 288ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisnamespace android { 298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 307a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopianclass Surface; 317a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 328ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisclass SurfaceTextureClient 338ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis : public EGLNativeBase<ANativeWindow, SurfaceTextureClient, RefBase> 348ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis{ 358ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennispublic: 368ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient(const sp<ISurfaceTexture>& surfaceTexture); 378ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 38bae774eb20bebd409441b93386b51bccda75f546Jamie Gennis sp<ISurfaceTexture> getISurfaceTexture() const; 39bae774eb20bebd409441b93386b51bccda75f546Jamie Gennis 408ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisprivate: 417a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian friend class Surface; 428ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 438ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // can't be copied 448ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs); 458ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis SurfaceTextureClient(const SurfaceTextureClient& rhs); 468ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 478ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ANativeWindow hooks 48697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev static int cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 49697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer); 50697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev static int lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 518ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis static int perform(ANativeWindow* window, int operation, ...); 5241abd67302b52aefadc2b3dea42226f16bf6d9baIliyan Malchev static int query(const ANativeWindow* window, int what, int* value); 53697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer); 549d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis static int setSwapInterval(ANativeWindow* window, int interval); 558ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 56697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev int cancelBuffer(ANativeWindowBuffer* buffer); 57697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev int dequeueBuffer(ANativeWindowBuffer** buffer); 58697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev int lockBuffer(ANativeWindowBuffer* buffer); 598ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int perform(int operation, va_list args); 6041abd67302b52aefadc2b3dea42226f16bf6d9baIliyan Malchev int query(int what, int* value) const; 61697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev int queueBuffer(ANativeWindowBuffer* buffer); 629d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int setSwapInterval(int interval); 638ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 648ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchConnect(va_list args); 658ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchDisconnect(va_list args); 668ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBufferCount(va_list args); 678ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersGeometry(va_list args); 68bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersDimensions(va_list args); 69bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int dispatchSetBuffersFormat(va_list args); 708ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int dispatchSetBuffersTransform(va_list args); 711d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int dispatchSetBuffersTimestamp(va_list args); 729d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetCrop(va_list args); 739d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int dispatchSetUsage(va_list args); 748ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 758ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int connect(int api); 768ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int disconnect(int api); 778ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int setBufferCount(int bufferCount); 78bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int setBuffersDimensions(int w, int h); 79bee205fd58a27c10a0895de5339e76025d429d2bJamie Gennis int setBuffersFormat(int format); 808ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis int setBuffersTransform(int transform); 811d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int setBuffersTimestamp(int64_t timestamp); 829d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int setCrop(Rect const* rect); 839d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis int setUsage(uint32_t reqUsage); 848ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 858ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis void freeAllBuffers(); 861c4414091cfb93206067fb64eba445653739d40fJamie Gennis int getSlotFromBufferLocked(android_native_buffer_t* buffer) const; 878ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 887a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian int getConnectedApi() const; 897a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 909d4d6c101d90d4a1d1ca9413cf3eb89d1f1898d6Jamie Gennis enum { MIN_UNDEQUEUED_BUFFERS = SurfaceTexture::MIN_UNDEQUEUED_BUFFERS }; 918ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { NUM_BUFFER_SLOTS = SurfaceTexture::NUM_BUFFER_SLOTS }; 928ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 }; 938ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 948ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSurfaceTexture is the interface to the surface texture server. All 958ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operations on the surface texture client ultimately translate into 968ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // interactions with the server using this interface. 978ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<ISurfaceTexture> mSurfaceTexture; 988ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 991b20cde313b5ef8acdace742328df867956d24cbJamie Gennis // mAllocator is the binder object that is referenced to prevent the 1001b20cde313b5ef8acdace742328df867956d24cbJamie Gennis // dequeued buffers from being freed prematurely. 1011b20cde313b5ef8acdace742328df867956d24cbJamie Gennis sp<IBinder> mAllocator; 1021b20cde313b5ef8acdace742328df867956d24cbJamie Gennis 1038ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mSlots stores the buffers that have been allocated for each buffer slot. 1048ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // It is initialized to null pointers, and gets filled in with the result of 1058ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // ISurfaceTexture::requestBuffer when the client dequeues a buffer from a 1068ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // slot that has not yet been used. The buffer allocated to a slot will also 1078ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // be replaced if the requested buffer usage or geometry differs from that 1088ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // of the buffer allocated to a slot. 1098ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis sp<GraphicBuffer> mSlots[NUM_BUFFER_SLOTS]; 1108ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1118ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqWidth is the buffer width that will be requested at the next dequeue 1128ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqWidth; 1148ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1158ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqHeight is the buffer height that will be requested at the next deuque 1168ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // operation. It is initialized to 1. 1178ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqHeight; 1188ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1198ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqFormat is the buffer pixel format that will be requested at the next 1208ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888. 1218ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqFormat; 1228ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1238ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mReqUsage is the set of buffer usage flags that will be requested 1248ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // at the next deuque operation. It is initialized to 0. 1258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t mReqUsage; 1268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1271d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // mTimestamp is the timestamp that will be used for the next buffer queue 1281d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that 1291d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // a timestamp is auto-generated when queueBuffer is called. 1301d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala int64_t mTimestamp; 1311d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala 1327a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mConnectedApi holds the currently connected API to this surface 1337a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian int mConnectedApi; 1347a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1357a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryWidth is the width returned by query(). It is set to width 1367a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // of the last dequeued buffer or to mReqWidth if no buffer was dequeued. 1377a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryWidth; 1387a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1397a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryHeight is the height returned by query(). It is set to height 1407a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // of the last dequeued buffer or to mReqHeight if no buffer was dequeued. 1417a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryHeight; 1427a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1437a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // mQueryFormat is the format returned by query(). It is set to the last 1447a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian // dequeued format or to mReqFormat if no buffer was dequeued. 1457a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian uint32_t mQueryFormat; 1467a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian 1478ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // mMutex is the mutex used to prevent concurrent access to the member 1488ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // variables of SurfaceTexture objects. It must be locked whenever the 1498ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // member variables are accessed. 1507a042bf324fe3f3d5d4085fda21fe50dc0c362b4Mathias Agopian mutable Mutex mMutex; 1518ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; 1528ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1538ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; // namespace android 1548ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1558ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#endif // ANDROID_GUI_SURFACETEXTURECLIENT_H 156