android_view_ThreadedRenderer.cpp revision 19b6bcfd83eb7fb92ebd06d2fec89e308311f1d0
1/* 2 * Copyright (C) 2010 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#define LOG_TAG "ThreadedRenderer" 18 19#include "jni.h" 20#include <nativehelper/JNIHelp.h> 21#include <android_runtime/AndroidRuntime.h> 22 23#include <utils/StrongPointer.h> 24#include <android_runtime/android_view_Surface.h> 25#include <system/window.h> 26 27#include <renderthread/RenderProxy.h> 28#include <renderthread/RenderTask.h> 29#include <renderthread/RenderThread.h> 30 31namespace android { 32 33#ifdef USE_OPENGL_RENDERER 34 35using namespace android::uirenderer; 36using namespace android::uirenderer::renderthread; 37 38static jmethodID gRunnableMethod; 39 40class JavaTask : public RenderTask { 41public: 42 JavaTask(JNIEnv* env, jobject jrunnable) { 43 env->GetJavaVM(&mVm); 44 mRunnable = env->NewGlobalRef(jrunnable); 45 } 46 47 virtual void run() { 48 env()->CallVoidMethod(mRunnable, gRunnableMethod); 49 env()->DeleteGlobalRef(mRunnable); 50 delete this; 51 }; 52 53private: 54 JNIEnv* env() { 55 JNIEnv* env; 56 if (mVm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) { 57 return 0; 58 } 59 return env; 60 } 61 62 JavaVM* mVm; 63 jobject mRunnable; 64}; 65 66static void android_view_ThreadedRenderer_postToRenderThread(JNIEnv* env, jobject clazz, 67 jobject jrunnable) { 68 RenderTask* task = new JavaTask(env, jrunnable); 69 RenderThread::getInstance().queue(task); 70} 71 72static jlong android_view_ThreadedRenderer_createProxy(JNIEnv* env, jobject clazz, 73 jboolean translucent) { 74 return (jlong) new RenderProxy(translucent); 75} 76 77static void android_view_ThreadedRenderer_deleteProxy(JNIEnv* env, jobject clazz, 78 jlong proxyPtr) { 79 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 80 delete proxy; 81} 82 83static jboolean android_view_ThreadedRenderer_initialize(JNIEnv* env, jobject clazz, 84 jlong proxyPtr, jobject jsurface) { 85 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 86 sp<ANativeWindow> window = android_view_Surface_getNativeWindow(env, jsurface); 87 return proxy->initialize(window.get()); 88} 89 90static void android_view_ThreadedRenderer_updateSurface(JNIEnv* env, jobject clazz, 91 jlong proxyPtr, jobject jsurface) { 92 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 93 sp<ANativeWindow> window; 94 if (jsurface) { 95 window = android_view_Surface_getNativeWindow(env, jsurface); 96 } 97 proxy->updateSurface(window.get()); 98} 99 100static void android_view_ThreadedRenderer_setup(JNIEnv* env, jobject clazz, 101 jlong proxyPtr, jint width, jint height) { 102 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 103 proxy->setup(width, height); 104} 105 106static void android_view_ThreadedRenderer_drawDisplayList(JNIEnv* env, jobject clazz, 107 jlong proxyPtr, jlong displayListPtr, jint dirtyLeft, jint dirtyTop, 108 jint dirtyRight, jint dirtyBottom) { 109 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 110 DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr); 111 proxy->drawDisplayList(displayList, dirtyLeft, dirtyTop, dirtyRight, dirtyBottom); 112} 113 114static void android_view_ThreadedRenderer_destroyCanvas(JNIEnv* env, jobject clazz, 115 jlong proxyPtr) { 116 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 117 proxy->destroyCanvas(); 118} 119 120static void android_view_ThreadedRenderer_attachFunctor(JNIEnv* env, jobject clazz, 121 jlong proxyPtr, jlong functorPtr) { 122 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 123 Functor* functor = reinterpret_cast<Functor*>(functorPtr); 124 proxy->attachFunctor(functor); 125} 126 127static void android_view_ThreadedRenderer_detachFunctor(JNIEnv* env, jobject clazz, 128 jlong proxyPtr, jlong functorPtr) { 129 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 130 Functor* functor = reinterpret_cast<Functor*>(functorPtr); 131 proxy->detachFunctor(functor); 132} 133 134static void android_view_ThreadedRenderer_runWithGlContext(JNIEnv* env, jobject clazz, 135 jlong proxyPtr, jobject jrunnable) { 136 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 137 RenderTask* task = new JavaTask(env, jrunnable); 138 proxy->runWithGlContext(task); 139} 140 141static jlong android_view_ThreadedRenderer_createDisplayListLayer(JNIEnv* env, jobject clazz, 142 jlong proxyPtr, jint width, jint height) { 143 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 144 DeferredLayerUpdater* layer = proxy->createDisplayListLayer(width, height); 145 return reinterpret_cast<jlong>(layer); 146} 147 148static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz, 149 jlong proxyPtr) { 150 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 151 DeferredLayerUpdater* layer = proxy->createTextureLayer(); 152 return reinterpret_cast<jlong>(layer); 153} 154 155static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz, 156 jlong proxyPtr, jlong layerPtr, jlong bitmapPtr) { 157 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 158 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr); 159 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 160 return proxy->copyLayerInto(layer, bitmap); 161} 162 163static void android_view_ThreadedRenderer_destroyLayer(JNIEnv* env, jobject clazz, 164 jlong proxyPtr, jlong layerPtr) { 165 RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr); 166 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr); 167 proxy->destroyLayer(layer); 168} 169 170#endif 171 172// ---------------------------------------------------------------------------- 173// JNI Glue 174// ---------------------------------------------------------------------------- 175 176const char* const kClassPathName = "android/view/ThreadedRenderer"; 177 178static JNINativeMethod gMethods[] = { 179#ifdef USE_OPENGL_RENDERER 180 { "postToRenderThread", "(Ljava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_postToRenderThread }, 181 { "nCreateProxy", "(Z)J", (void*) android_view_ThreadedRenderer_createProxy }, 182 { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy }, 183 { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize }, 184 { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface }, 185 { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup }, 186 { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList}, 187 { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas}, 188 { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor}, 189 { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor}, 190 { "nRunWithGlContext", "(JLjava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_runWithGlContext }, 191 { "nCreateDisplayListLayer", "(JII)J", (void*) android_view_ThreadedRenderer_createDisplayListLayer }, 192 { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer }, 193 { "nCopyLayerInto", "(JJJ)Z", (void*) android_view_ThreadedRenderer_copyLayerInto }, 194 { "nDestroyLayer", "(JJ)V", (void*) android_view_ThreadedRenderer_destroyLayer }, 195#endif 196}; 197 198int register_android_view_ThreadedRenderer(JNIEnv* env) { 199#ifdef USE_OPENGL_RENDERER 200 jclass cls = env->FindClass("java/lang/Runnable"); 201 gRunnableMethod = env->GetMethodID(cls, "run", "()V"); 202 env->DeleteLocalRef(cls); 203#endif 204 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 205} 206 207}; // namespace android 208