android_view_ThreadedRenderer.cpp revision 4f02bf4eef6af47f35c70c4dda5b7b9523d89ca0
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} 133 134#endif 135 136// ---------------------------------------------------------------------------- 137// JNI Glue 138// ---------------------------------------------------------------------------- 139 140const char* const kClassPathName = "android/view/ThreadedRenderer"; 141 142static JNINativeMethod gMethods[] = { 143#ifdef USE_OPENGL_RENDERER 144 { "postToRenderThread", "(Ljava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_postToRenderThread }, 145 { "nCreateProxy", "(Z)J", (void*) android_view_ThreadedRenderer_createProxy }, 146 { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy }, 147 { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize }, 148 { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface }, 149 { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup }, 150 { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList}, 151 { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas}, 152 { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor}, 153 { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor}, 154#endif 155}; 156 157int register_android_view_ThreadedRenderer(JNIEnv* env) { 158#ifdef USE_OPENGL_RENDERER 159 jclass cls = env->FindClass("java/lang/Runnable"); 160 gRunnableMethod = env->GetMethodID(cls, "run", "()V"); 161 env->DeleteLocalRef(cls); 162#endif 163 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 164} 165 166}; // namespace android 167