1/* 2 * Copyright (C) 2015 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#ifndef RENDERSTATE_SCISSOR_H 17#define RENDERSTATE_SCISSOR_H 18 19#include <GLES2/gl2.h> 20#include <GLES2/gl2ext.h> 21 22namespace android { 23namespace uirenderer { 24 25class Rect; 26 27class Scissor { 28 friend class RenderState; 29 30public: 31 bool setEnabled(bool enabled); 32 bool set(GLint x, GLint y, GLint width, GLint height); 33 void set(int viewportHeight, const Rect& clip); 34 void reset(); 35 bool isEnabled() { return mEnabled; } 36 void dump(); 37 38private: 39 Scissor(); 40 void invalidate(); 41 bool mEnabled; 42 GLint mScissorX; 43 GLint mScissorY; 44 GLint mScissorWidth; 45 GLint mScissorHeight; 46}; 47 48} /* namespace uirenderer */ 49} /* namespace android */ 50 51#endif // RENDERSTATE_SCISSOR_H 52