1 /* 2 * Copyright (C) 2012 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 package com.android.ide.eclipse.gltrace.state.transforms; 18 19 import com.android.ide.eclipse.gltrace.state.IGLProperty; 20 21 /** 22 * This interface encapsulates a single change to the GL state. GL Calls that affect 23 * multiple state variables would use a list of these state transformations. 24 */ 25 public interface IStateTransform { 26 /** Apply this transformation on the given state. */ 27 void apply(IGLProperty currentState); 28 29 /** Revert this transformation from the given state. */ 30 void revert(IGLProperty currentState); 31 32 /** Obtain the property that will be affected by this transformation. */ 33 IGLProperty getChangedProperty(IGLProperty currentState); 34 } 35
