android_view_ThreadedRenderer.cpp revision 8de65a8e05285df52a1e6f0c1d5616dd233298a7 
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    RenderNode* displayList = reinterpret_cast<RenderNode*>(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_invokeFunctor(JNIEnv* env, jobject clazz,
135        jlong proxyPtr, jlong functorPtr, jboolean waitForCompletion) {
136    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
137    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
138    proxy->invokeFunctor(functor, waitForCompletion);
139}
140
141static void android_view_ThreadedRenderer_runWithGlContext(JNIEnv* env, jobject clazz,
142        jlong proxyPtr, jobject jrunnable) {
143    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
144    RenderTask* task = new JavaTask(env, jrunnable);
145    proxy->runWithGlContext(task);
146}
147
148static jlong android_view_ThreadedRenderer_createDisplayListLayer(JNIEnv* env, jobject clazz,
149        jlong proxyPtr, jint width, jint height) {
150    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
151    DeferredLayerUpdater* layer = proxy->createDisplayListLayer(width, height);
152    return reinterpret_cast<jlong>(layer);
153}
154
155static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz,
156        jlong proxyPtr) {
157    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
158    DeferredLayerUpdater* layer = proxy->createTextureLayer();
159    return reinterpret_cast<jlong>(layer);
160}
161
162static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
163        jlong proxyPtr, jlong layerPtr, jlong bitmapPtr) {
164    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
165    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
166    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
167    return proxy->copyLayerInto(layer, bitmap);
168}
169
170static void android_view_ThreadedRenderer_destroyLayer(JNIEnv* env, jobject clazz,
171        jlong proxyPtr, jlong layerPtr) {
172    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
173    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
174    proxy->destroyLayer(layer);
175}
176
177static void android_view_ThreadedRenderer_fence(JNIEnv* env, jobject clazz,
178        jlong proxyPtr) {
179    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
180    proxy->fence();
181}
182
183#endif
184
185// ----------------------------------------------------------------------------
186// JNI Glue
187// ----------------------------------------------------------------------------
188
189const char* const kClassPathName = "android/view/ThreadedRenderer";
190
191static JNINativeMethod gMethods[] = {
192#ifdef USE_OPENGL_RENDERER
193    { "postToRenderThread", "(Ljava/lang/Runnable;)V",   (void*) android_view_ThreadedRenderer_postToRenderThread },
194    { "nCreateProxy", "(Z)J", (void*) android_view_ThreadedRenderer_createProxy },
195    { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy },
196    { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize },
197    { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
198    { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup },
199    { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList },
200    { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas },
201    { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor },
202    { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor },
203    { "nInvokeFunctor", "(JJZ)V", (void*) android_view_ThreadedRenderer_invokeFunctor },
204    { "nRunWithGlContext", "(JLjava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_runWithGlContext },
205    { "nCreateDisplayListLayer", "(JII)J", (void*) android_view_ThreadedRenderer_createDisplayListLayer },
206    { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer },
207    { "nCopyLayerInto", "(JJJ)Z", (void*) android_view_ThreadedRenderer_copyLayerInto },
208    { "nDestroyLayer", "(JJ)V", (void*) android_view_ThreadedRenderer_destroyLayer },
209    { "nFence", "(J)V", (void*) android_view_ThreadedRenderer_fence },
210#endif
211};
212
213int register_android_view_ThreadedRenderer(JNIEnv* env) {
214#ifdef USE_OPENGL_RENDERER
215    jclass cls = env->FindClass("java/lang/Runnable");
216    gRunnableMethod = env->GetMethodID(cls, "run", "()V");
217    env->DeleteLocalRef(cls);
218#endif
219    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
220}
221
222}; // namespace android
223