1 /* 2 * Copyright (C) 2018 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 #include <android/surface_texture.h> 18 #include <android/surface_texture_jni.h> 19 20 #define LOG_TAG "ASurfaceTexture" 21 22 #include <utils/Log.h> 23 24 #include <gui/Surface.h> 25 26 #include <android_runtime/android_graphics_SurfaceTexture.h> 27 28 #include "surfacetexture/SurfaceTexture.h" 29 30 using namespace android; 31 32 struct ASurfaceTexture { 33 sp<SurfaceTexture> consumer; 34 sp<IGraphicBufferProducer> producer; 35 }; 36 37 ASurfaceTexture* ASurfaceTexture_fromSurfaceTexture(JNIEnv* env, jobject surfacetexture) { 38 if (!surfacetexture || !android_SurfaceTexture_isInstanceOf(env, surfacetexture)) { 39 return nullptr; 40 } 41 ASurfaceTexture* ast = new ASurfaceTexture; 42 ast->consumer = SurfaceTexture_getSurfaceTexture(env, surfacetexture); 43 ast->producer = SurfaceTexture_getProducer(env, surfacetexture); 44 return ast; 45 } 46 47 ANativeWindow* ASurfaceTexture_acquireANativeWindow(ASurfaceTexture* st) { 48 sp<Surface> surface = new Surface(st->producer); 49 ANativeWindow* win(surface.get()); 50 ANativeWindow_acquire(win); 51 return win; 52 } 53 54 void ASurfaceTexture_release(ASurfaceTexture* st) { 55 delete st; 56 } 57 58 int ASurfaceTexture_attachToGLContext(ASurfaceTexture* st, uint32_t tex) { 59 return st->consumer->attachToContext(tex); 60 } 61 62 int ASurfaceTexture_detachFromGLContext(ASurfaceTexture* st) { 63 return st->consumer->detachFromContext(); 64 } 65 66 int ASurfaceTexture_updateTexImage(ASurfaceTexture* st) { 67 return st->consumer->updateTexImage(); 68 } 69 70 void ASurfaceTexture_getTransformMatrix(ASurfaceTexture* st, float mtx[16]) { 71 st->consumer->getTransformMatrix(mtx); 72 } 73 74 int64_t ASurfaceTexture_getTimestamp(ASurfaceTexture* st) { 75 return st->consumer->getTimestamp(); 76 } 77
