android_view_ThreadedRenderer.cpp revision be34f2f3b340196426bdf558b28951359a4d84fa 
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_setDisplayListData(JNIEnv* env, jobject clazz,
107        jlong proxyPtr, jlong displayListPtr, jlong newDataPtr) {
108    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
109    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
110    DisplayListData* newData = reinterpret_cast<DisplayListData*>(newDataPtr);
111    proxy->setDisplayListData(displayList, newData);
112}
113
114static void android_view_ThreadedRenderer_drawDisplayList(JNIEnv* env, jobject clazz,
115        jlong proxyPtr, jlong displayListPtr, jint dirtyLeft, jint dirtyTop,
116        jint dirtyRight, jint dirtyBottom) {
117    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
118    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
119    proxy->drawDisplayList(displayList, dirtyLeft, dirtyTop, dirtyRight, dirtyBottom);
120}
121
122static void android_view_ThreadedRenderer_destroyCanvas(JNIEnv* env, jobject clazz,
123        jlong proxyPtr) {
124    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
125    proxy->destroyCanvas();
126}
127
128static void android_view_ThreadedRenderer_attachFunctor(JNIEnv* env, jobject clazz,
129        jlong proxyPtr, jlong functorPtr) {
130    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
131    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
132    proxy->attachFunctor(functor);
133}
134
135static void android_view_ThreadedRenderer_detachFunctor(JNIEnv* env, jobject clazz,
136        jlong proxyPtr, jlong functorPtr) {
137    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
138    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
139    proxy->detachFunctor(functor);
140}
141
142static void android_view_ThreadedRenderer_runWithGlContext(JNIEnv* env, jobject clazz,
143        jlong proxyPtr, jobject jrunnable) {
144    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
145    RenderTask* task = new JavaTask(env, jrunnable);
146    proxy->runWithGlContext(task);
147}
148
149static jlong android_view_ThreadedRenderer_createDisplayListLayer(JNIEnv* env, jobject clazz,
150        jlong proxyPtr, jint width, jint height) {
151    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
152    DeferredLayerUpdater* layer = proxy->createDisplayListLayer(width, height);
153    return reinterpret_cast<jlong>(layer);
154}
155
156static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz,
157        jlong proxyPtr) {
158    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
159    DeferredLayerUpdater* layer = proxy->createTextureLayer();
160    return reinterpret_cast<jlong>(layer);
161}
162
163static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
164        jlong proxyPtr, jlong layerPtr, jlong bitmapPtr) {
165    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
166    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
167    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
168    return proxy->copyLayerInto(layer, bitmap);
169}
170
171static void android_view_ThreadedRenderer_destroyLayer(JNIEnv* env, jobject clazz,
172        jlong proxyPtr, jlong layerPtr) {
173    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
174    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
175    proxy->destroyLayer(layer);
176}
177
178#endif
179
180// ----------------------------------------------------------------------------
181// JNI Glue
182// ----------------------------------------------------------------------------
183
184const char* const kClassPathName = "android/view/ThreadedRenderer";
185
186static JNINativeMethod gMethods[] = {
187#ifdef USE_OPENGL_RENDERER
188    { "postToRenderThread", "(Ljava/lang/Runnable;)V",   (void*) android_view_ThreadedRenderer_postToRenderThread },
189    { "nCreateProxy", "(Z)J", (void*) android_view_ThreadedRenderer_createProxy },
190    { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy },
191    { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize },
192    { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
193    { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup },
194    { "nSetDisplayListData", "(JJJ)V", (void*) android_view_ThreadedRenderer_setDisplayListData },
195    { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList },
196    { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas },
197    { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor },
198    { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor },
199    { "nRunWithGlContext", "(JLjava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_runWithGlContext },
200    { "nCreateDisplayListLayer", "(JII)J", (void*) android_view_ThreadedRenderer_createDisplayListLayer },
201    { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer },
202    { "nCopyLayerInto", "(JJJ)Z", (void*) android_view_ThreadedRenderer_copyLayerInto },
203    { "nDestroyLayer", "(JJ)V", (void*) android_view_ThreadedRenderer_destroyLayer },
204#endif
205};
206
207int register_android_view_ThreadedRenderer(JNIEnv* env) {
208#ifdef USE_OPENGL_RENDERER
209    jclass cls = env->FindClass("java/lang/Runnable");
210    gRunnableMethod = env->GetMethodID(cls, "run", "()V");
211    env->DeleteLocalRef(cls);
212#endif
213    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
214}
215
216}; // namespace android
217