C++ RenderProxy类代码示例

static void android_view_ThreadedRenderer_setName(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jstring jname) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    const char* name = env->GetStringUTFChars(jname, NULL);
    proxy->setName(name);
    env->ReleaseStringUTFChars(jname, name);
}

static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlong layerPtr, jlong bitmapPtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
    return proxy->copyLayerInto(layer, bitmap);
}

static void android_view_ThreadedRenderer_setup(JNIEnv* env, jobject clazz, jlong proxyPtr,
        jint width, jint height,
        jfloat lightX, jfloat lightY, jfloat lightZ, jfloat lightRadius,
        jint ambientShadowAlpha, jint spotShadowAlpha) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    proxy->setup(width, height, (Vector3){lightX, lightY, lightZ}, lightRadius,
            ambientShadowAlpha, spotShadowAlpha);
}

static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlong layerPtr, jobject jbitmap) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
    SkBitmap bitmap;
    GraphicsJNI::getSkBitmap(env, jbitmap, &bitmap);
    return proxy->copyLayerInto(layer, bitmap);
}

static void draw(JNIEnv* env, jclass clazz, jlong rendererPtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(rendererPtr);
    nsecs_t vsync = systemTime(CLOCK_MONOTONIC);
    UiFrameInfoBuilder(proxy->frameInfo())
            .setVsync(vsync, vsync)
            .addFlag(FrameInfoFlags::SurfaceCanvas);
    proxy->syncAndDrawFrame();
}

static jboolean android_view_ThreadedRenderer_pauseSurface(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jobject jsurface) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    sp<ANativeWindow> window;
    if (jsurface) {
        window = android_view_Surface_getNativeWindow(env, jsurface);
    }
    return proxy->pauseSurface(window);
}

static int android_view_ThreadedRenderer_syncAndDrawFrame(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlongArray frameInfo, jint frameInfoSize) {
    LOG_ALWAYS_FATAL_IF(frameInfoSize != UI_THREAD_FRAME_INFO_SIZE,
            "Mismatched size expectations, given %d expected %d",
            frameInfoSize, UI_THREAD_FRAME_INFO_SIZE);
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    env->GetLongArrayRegion(frameInfo, 0, frameInfoSize, proxy->frameInfo());
    return proxy->syncAndDrawFrame();
}

static void android_view_ThreadedRenderer_setProgramAtlas(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jobject fileDescriptor, jint length, jlongArray programMap, jint programCount) {
    if (!fileDescriptor || programCount <= 0) {
        ALOGW("Failed to initialize program atlas, invalid program count: %d", programCount);
        return;
    }
    int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
    int64_t* pmap = new int64_t[programCount];
    env->GetLongArrayRegion(programMap, 0, programCount, pmap);

    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    proxy->setProgramAtlas(fd, length, pmap, programCount);
}

static jlong create(JNIEnv* env, jclass clazz, jlong rootNodePtr, jlong surfacePtr) {
    RenderNode* rootNode = reinterpret_cast<RenderNode*>(rootNodePtr);
    sp<Surface> surface(reinterpret_cast<Surface*>(surfacePtr));
    ContextFactory factory;
    RenderProxy* proxy = new RenderProxy(false, rootNode, &factory);
    proxy->loadSystemProperties();
    proxy->setSwapBehavior(kSwap_discardBuffer);
    proxy->initialize(surface);
    // Shadows can't be used via this interface, so just set the light source
    // to all 0s. (and width & height are unused, TODO remove them)
    proxy->setup(0, 0, (Vector3){0, 0, 0}, 0, 0, 0);
    return (jlong) proxy;
}

static void android_view_ThreadedRenderer_setAtlas(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jobject graphicBuffer, jlongArray atlasMapArray) {
    sp<GraphicBuffer> buffer = graphicBufferForJavaObject(env, graphicBuffer);
    jsize len = env->GetArrayLength(atlasMapArray);
    if (len <= 0) {
        ALOGW("Failed to initialize atlas, invalid map length: %d", len);
        return;
    }
    int64_t* map = new int64_t[len];
    env->GetLongArrayRegion(atlasMapArray, 0, len, map);

    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    proxy->setTextureAtlas(buffer, map, len);
}

static void android_view_ThreadedRenderer_detachSurfaceTexture(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlong layerPtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
    proxy->detachSurfaceTexture(layer);
}

static void draw(JNIEnv* env, jclass clazz, jlong rendererPtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(rendererPtr);
    nsecs_t frameTimeNs = systemTime(CLOCK_MONOTONIC);
    proxy->syncAndDrawFrame(frameTimeNs, 0, 1.0f);
}

static void android_view_ThreadedRenderer_buildLayer(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlong nodePtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    RenderNode* node = reinterpret_cast<RenderNode*>(nodePtr);
    proxy->buildLayer(node);
}

static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz,
        jlong proxyPtr) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    DeferredLayerUpdater* layer = proxy->createTextureLayer();
    return reinterpret_cast<jlong>(layer);
}

static void android_view_ThreadedRenderer_setFrameInterval(JNIEnv* env, jobject clazz,
        jlong proxyPtr, jlong frameIntervalNanos) {
    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
    proxy->setFrameInterval(frameIntervalNanos);
}