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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef EGL_HELPER_H
#define EGL_HELPER_H
#include <QtCore/qobject.h>
#include <QtCore/qscopedpointer.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#undef eglCreateImage
#undef eglCreateDRMImageMESA
#undef eglDestroyImage
#undef eglExportDMABUFImageMESA
#undef eglExportDMABUFImageQueryMESA
#undef eglGetCurrentContext
#undef eglGetCurrentDisplay
#undef eglGetCurrentSurface
#undef eglGetError
#undef eglMakeCurrent
#undef eglQueryString
QT_BEGIN_NAMESPACE
class QOffscreenSurface;
class EGLHelper
{
public:
struct EGLFunctions
{
EGLFunctions();
PFNEGLCREATEIMAGEPROC eglCreateImage;
PFNEGLCREATEDRMIMAGEMESAPROC eglCreateDRMImageMESA;
PFNEGLDESTROYIMAGEPROC eglDestroyImage;
PFNEGLEXPORTDMABUFIMAGEMESAPROC eglExportDMABUFImageMESA;
PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC eglExportDMABUFImageQueryMESA;
PFNEGLGETCURRENTCONTEXTPROC eglGetCurrentContext;
PFNEGLGETCURRENTDISPLAYPROC eglGetCurrentDisplay;
PFNEGLGETCURRENTSURFACEPROC eglGetCurrentSurface;
PFNEGLGETERRORPROC eglGetError;
PFNEGLMAKECURRENTPROC eglMakeCurrent;
PFNEGLQUERYSTRINGPROC eglQueryString;
};
static EGLHelper *instance();
EGLDisplay getEGLDisplay() const { return m_eglDisplay; }
EGLFunctions *functions() const { return m_functions.get(); }
void queryDmaBuf(const int width, const int height, int *fd, int *stride, int *offset,
uint64_t *modifiers);
bool isDmaBufSupported() const { return m_isDmaBufSupported; }
const char *getLastEGLErrorString() const;
private:
EGLHelper();
EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
QScopedPointer<EGLFunctions> m_functions;
QScopedPointer<QOffscreenSurface> m_offscreenSurface;
bool m_isDmaBufSupported = false;
bool m_isCreateDRMImageMesaSupported = false;
};
QT_END_NAMESPACE
#endif // EGL_HELPER_H
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