android_view_ThreadedRenderer.cpp revision 8e1f918738abf70a4dc86dbb12b386a9deea37f8 
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);
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);
98}
99
100static void android_view_ThreadedRenderer_pauseSurface(JNIEnv* env, jobject clazz,
101        jlong proxyPtr, jobject jsurface) {
102    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
103    sp<ANativeWindow> window;
104    if (jsurface) {
105        window = android_view_Surface_getNativeWindow(env, jsurface);
106    }
107    proxy->pauseSurface(window);
108}
109
110static void android_view_ThreadedRenderer_setup(JNIEnv* env, jobject clazz,
111        jlong proxyPtr, jint width, jint height) {
112    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
113    proxy->setup(width, height);
114}
115
116static void android_view_ThreadedRenderer_drawDisplayList(JNIEnv* env, jobject clazz,
117        jlong proxyPtr, jlong displayListPtr, jint dirtyLeft, jint dirtyTop,
118        jint dirtyRight, jint dirtyBottom) {
119    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
120    RenderNode* displayList = reinterpret_cast<RenderNode*>(displayListPtr);
121    proxy->drawDisplayList(displayList, dirtyLeft, dirtyTop, dirtyRight, dirtyBottom);
122}
123
124static void android_view_ThreadedRenderer_destroyCanvas(JNIEnv* env, jobject clazz,
125        jlong proxyPtr) {
126    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
127    proxy->destroyCanvas();
128}
129
130static void android_view_ThreadedRenderer_attachFunctor(JNIEnv* env, jobject clazz,
131        jlong proxyPtr, jlong functorPtr) {
132    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
133    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
134    proxy->attachFunctor(functor);
135}
136
137static void android_view_ThreadedRenderer_detachFunctor(JNIEnv* env, jobject clazz,
138        jlong proxyPtr, jlong functorPtr) {
139    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
140    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
141    proxy->detachFunctor(functor);
142}
143
144static void android_view_ThreadedRenderer_invokeFunctor(JNIEnv* env, jobject clazz,
145        jlong proxyPtr, jlong functorPtr, jboolean waitForCompletion) {
146    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
147    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
148    proxy->invokeFunctor(functor, waitForCompletion);
149}
150
151static void android_view_ThreadedRenderer_runWithGlContext(JNIEnv* env, jobject clazz,
152        jlong proxyPtr, jobject jrunnable) {
153    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
154    RenderTask* task = new JavaTask(env, jrunnable);
155    proxy->runWithGlContext(task);
156}
157
158static jlong android_view_ThreadedRenderer_createDisplayListLayer(JNIEnv* env, jobject clazz,
159        jlong proxyPtr, jint width, jint height) {
160    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
161    DeferredLayerUpdater* layer = proxy->createDisplayListLayer(width, height);
162    return reinterpret_cast<jlong>(layer);
163}
164
165static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz,
166        jlong proxyPtr) {
167    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
168    DeferredLayerUpdater* layer = proxy->createTextureLayer();
169    return reinterpret_cast<jlong>(layer);
170}
171
172static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
173        jlong proxyPtr, jlong layerPtr, jlong bitmapPtr) {
174    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
175    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
176    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
177    return proxy->copyLayerInto(layer, bitmap);
178}
179
180static void android_view_ThreadedRenderer_destroyLayer(JNIEnv* env, jobject clazz,
181        jlong proxyPtr, jlong layerPtr) {
182    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
183    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
184    proxy->destroyLayer(layer);
185}
186
187static void android_view_ThreadedRenderer_fence(JNIEnv* env, jobject clazz,
188        jlong proxyPtr) {
189    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
190    proxy->fence();
191}
192
193#endif
194
195// ----------------------------------------------------------------------------
196// JNI Glue
197// ----------------------------------------------------------------------------
198
199const char* const kClassPathName = "android/view/ThreadedRenderer";
200
201static JNINativeMethod gMethods[] = {
202#ifdef USE_OPENGL_RENDERER
203    { "postToRenderThread", "(Ljava/lang/Runnable;)V",   (void*) android_view_ThreadedRenderer_postToRenderThread },
204    { "nCreateProxy", "(Z)J", (void*) android_view_ThreadedRenderer_createProxy },
205    { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy },
206    { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize },
207    { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
208    { "nPauseSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_pauseSurface },
209    { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup },
210    { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList },
211    { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas },
212    { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor },
213    { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor },
214    { "nInvokeFunctor", "(JJZ)V", (void*) android_view_ThreadedRenderer_invokeFunctor },
215    { "nRunWithGlContext", "(JLjava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_runWithGlContext },
216    { "nCreateDisplayListLayer", "(JII)J", (void*) android_view_ThreadedRenderer_createDisplayListLayer },
217    { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer },
218    { "nCopyLayerInto", "(JJJ)Z", (void*) android_view_ThreadedRenderer_copyLayerInto },
219    { "nDestroyLayer", "(JJ)V", (void*) android_view_ThreadedRenderer_destroyLayer },
220    { "nFence", "(J)V", (void*) android_view_ThreadedRenderer_fence },
221#endif
222};
223
224int register_android_view_ThreadedRenderer(JNIEnv* env) {
225#ifdef USE_OPENGL_RENDERER
226    jclass cls = env->FindClass("java/lang/Runnable");
227    gRunnableMethod = env->GetMethodID(cls, "run", "()V");
228    env->DeleteLocalRef(cls);
229#endif
230    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
231}
232
233}; // namespace android
234