1*d57664e9SAndroid Build Coastguard Worker /* 2*d57664e9SAndroid Build Coastguard Worker * Copyright (C) 2021 The Android Open Source Project 3*d57664e9SAndroid Build Coastguard Worker * 4*d57664e9SAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*d57664e9SAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*d57664e9SAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*d57664e9SAndroid Build Coastguard Worker * 8*d57664e9SAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*d57664e9SAndroid Build Coastguard Worker * 10*d57664e9SAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*d57664e9SAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*d57664e9SAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*d57664e9SAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*d57664e9SAndroid Build Coastguard Worker * limitations under the License. 15*d57664e9SAndroid Build Coastguard Worker */ 16*d57664e9SAndroid Build Coastguard Worker 17*d57664e9SAndroid Build Coastguard Worker #pragma once 18*d57664e9SAndroid Build Coastguard Worker 19*d57664e9SAndroid Build Coastguard Worker /** 20*d57664e9SAndroid Build Coastguard Worker * Verify if the provided vendor and version supports RenderEffect caching 21*d57664e9SAndroid Build Coastguard Worker * behavior. 22*d57664e9SAndroid Build Coastguard Worker * 23*d57664e9SAndroid Build Coastguard Worker * Certain Open GL Driver implementations run into blocking scenarios 24*d57664e9SAndroid Build Coastguard Worker * with Fence::waitForever without a corresponding signal to unblock 25*d57664e9SAndroid Build Coastguard Worker * This happens during attempts to cache SkImage instances across frames 26*d57664e9SAndroid Build Coastguard Worker * especially in circumstances using RenderEffect/SkImageFilter internally. 27*d57664e9SAndroid Build Coastguard Worker * So detect the corresponding GL Vendor and driver version to determine if 28*d57664e9SAndroid Build Coastguard Worker * caching SkImage instances across frames is supported. 29*d57664e9SAndroid Build Coastguard Worker * See b/197263715 & b/193145089 30*d57664e9SAndroid Build Coastguard Worker * @param vendor Vendor of the GL driver 31*d57664e9SAndroid Build Coastguard Worker * @param version Version of the GL driver from the given vendor 32*d57664e9SAndroid Build Coastguard Worker * @return True if a RenderEffect result can be cached across frames, 33*d57664e9SAndroid Build Coastguard Worker * false otherwise 34*d57664e9SAndroid Build Coastguard Worker */ 35*d57664e9SAndroid Build Coastguard Worker bool supportsRenderEffectCache(const char* vendor, const char* version); 36