Scissor.h revision 65fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6 
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 Scissor {
26    friend class RenderState;
27public:
28    Scissor();
29    bool setEnabled(bool enabled);
30    bool set(GLint x, GLint y, GLint width, GLint height);
31    void reset();
32    bool isEnabled() { return mEnabled; }
33private:
34    void invalidate();
35    bool mEnabled;
36    GLint mScissorX;
37    GLint mScissorY;
38    GLint mScissorWidth;
39    GLint mScissorHeight;
40};
41
42} /* namespace uirenderer */
43} /* namespace android */
44
45#endif // RENDERSTATE_SCISSOR_H
46