glutils_funcs.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2007 Rivo Laks <rivolaks@hot.ee>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "kwin_export.h"
 
#include <epoxy/gl.h>
#include <functional>
 
// qopengl.h declares GLdouble as a typedef of float when Qt is built
// with GLES support.  This conflicts with the epoxy/gl_generated.h
// declaration, so we have to prevent the Qt header from being #included.
#define QOPENGL_H
 
#ifndef QOPENGLF_APIENTRY
#define QOPENGLF_APIENTRY GLAPIENTRY
#endif
 
#ifndef QOPENGLF_APIENTRYP
#define QOPENGLF_APIENTRYP GLAPIENTRYP
#endif
 
namespace KWin
{
 
typedef void (*resolveFuncPtr)();
void KWIN_EXPORT glResolveFunctions(const std::function<resolveFuncPtr(const char *)> &resolveFunction);
 
// GL_ARB_robustness / GL_EXT_robustness
using glGetGraphicsResetStatus_func = GLenum (*)();
using glReadnPixels_func = void (*)(GLint x, GLint y, GLsizei width, GLsizei height,
                                    GLenum format, GLenum type, GLsizei bufSize, GLvoid *data);
using glGetnUniformfv_func = void (*)(GLuint program, GLint location, GLsizei bufSize, GLfloat *params);
 
extern KWIN_EXPORT glGetGraphicsResetStatus_func glGetGraphicsResetStatus;
extern KWIN_EXPORT glReadnPixels_func glReadnPixels;
extern KWIN_EXPORT glGetnUniformfv_func glGetnUniformfv;
 
} // namespace