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