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 22 namespace android { 23 namespace uirenderer { 24 25 class Rect; 26 27 class Scissor { 28 friend class RenderState; 29 public: 30 bool setEnabled(bool enabled); 31 bool set(GLint x, GLint y, GLint width, GLint height); 32 void set(int viewportHeight, const Rect& clip); 33 void reset(); isEnabled()34 bool isEnabled() { return mEnabled; } 35 void dump(); 36 private: 37 Scissor(); 38 void invalidate(); 39 bool mEnabled; 40 GLint mScissorX; 41 GLint mScissorY; 42 GLint mScissorWidth; 43 GLint mScissorHeight; 44 }; 45 46 } /* namespace uirenderer */ 47 } /* namespace android */ 48 49 #endif // RENDERSTATE_SCISSOR_H 50