1 /* 2 * Copyright (C) 2021 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 #pragma once 18 19 /** 20 * Verify if the provided vendor and version supports RenderEffect caching 21 * behavior. 22 * 23 * Certain Open GL Driver implementations run into blocking scenarios 24 * with Fence::waitForever without a corresponding signal to unblock 25 * This happens during attempts to cache SkImage instances across frames 26 * especially in circumstances using RenderEffect/SkImageFilter internally. 27 * So detect the corresponding GL Vendor and driver version to determine if 28 * caching SkImage instances across frames is supported. 29 * See b/197263715 & b/193145089 30 * @param vendor Vendor of the GL driver 31 * @param version Version of the GL driver from the given vendor 32 * @return True if a RenderEffect result can be cached across frames, 33 * false otherwise 34 */ 35 bool supportsRenderEffectCache(const char* vendor, const char* version); 36