static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz,
        jlong rendererPtr, jintArray colors, jint offset, jint stride,
        jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) {
    // Note: If hasAlpha is false, kRGB_565_SkColorType will be used, which will
    // correct the alphaType to kOpaque_SkAlphaType.
    const SkImageInfo info = SkImageInfo::Make(width, height,
                               hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType,
                               kPremul_SkAlphaType);
    SkBitmap* bitmap = new SkBitmap;
    if (!bitmap->allocPixels(info)) {
        delete bitmap;
        return;
    }

    if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap)) {
        delete bitmap;
        return;
    }

    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
    Paint* paint = reinterpret_cast<Paint*>(paintPtr);

    // apply transform directly to canvas, so it affects shaders correctly
    renderer->save(SkCanvas::kMatrix_SaveFlag);
    renderer->translate(left, top);
    renderer->drawBitmapData(bitmap, paint);
    renderer->restore();

    // Note - bitmap isn't deleted as DisplayListRenderer owns it now
}
static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
        jlong rendererPtr, jlong bitmapPtr, jfloat left, jfloat top, jlong paintPtr) {
    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);

    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
    Paint* paint = reinterpret_cast<Paint*>(paintPtr);

    // apply transform directly to canvas, so it affects shaders correctly
    renderer->save(SkCanvas::kMatrix_SaveFlag);
    renderer->translate(left, top);
    renderer->drawBitmap(bitmap, paint);
    renderer->restore();
}
static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
        jfloat left, jfloat top, jlong paintPtr) {
    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
    // This object allows the renderer to allocate a global JNI ref to the buffer object.
    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);

    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
    Paint* paint = reinterpret_cast<Paint*>(paintPtr);

    // apply transform directly to canvas, so it affects shaders correctly
    renderer->save(SkCanvas::kMatrix_SaveFlag);
    renderer->translate(left, top);
    renderer->drawBitmap(bitmap, paint);
    renderer->restore();
}
static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr,
        jint flags) {
    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
    return renderer->save(flags);
}