63 lines
1.1 KiB
C++
63 lines
1.1 KiB
C++
/*
|
|
SPDX-FileCopyrightText: 2010 Fredrik Höglund <fredrik@kde.org>
|
|
SPDX-FileCopyrightText: 2014 Marco Martin <mart@kde.org>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef CONTRASTSHADER_H
|
|
#define CONTRASTSHADER_H
|
|
|
|
#include <kwinglutils.h>
|
|
|
|
class QMatrix4x4;
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class ContrastShader
|
|
{
|
|
public:
|
|
ContrastShader();
|
|
virtual ~ContrastShader();
|
|
|
|
void init();
|
|
|
|
static ContrastShader *create();
|
|
|
|
bool isValid() const {
|
|
return mValid;
|
|
}
|
|
|
|
void setColorMatrix(const QMatrix4x4 &matrix);
|
|
|
|
void setTextureMatrix(const QMatrix4x4 &matrix);
|
|
void setModelViewProjectionMatrix(const QMatrix4x4 &matrix);
|
|
|
|
void bind();
|
|
void unbind();
|
|
|
|
void setOpacity(float opacity);
|
|
float opacity() const;
|
|
|
|
protected:
|
|
void setIsValid(bool value) {
|
|
mValid = value;
|
|
}
|
|
void reset();
|
|
|
|
private:
|
|
bool mValid;
|
|
GLShader *shader;
|
|
int mvpMatrixLocation;
|
|
int textureMatrixLocation;
|
|
int colorMatrixLocation;
|
|
int opacityLocation;
|
|
float m_opacity;
|
|
};
|
|
|
|
|
|
} // namespace KWin
|
|
|
|
#endif
|
|
|