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// Copyright (C) 2026 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
#include "qmultimedia_gl_support_p.h"
#include <QtGui/qopenglcontext.h>
#include <QtGui/qopenglfunctions.h>
#include <QtGui/rhi/qrhi.h>
#include <QtCore/qdebug.h>
#if QT_CONFIG(egl)
# include <QtMultimedia/private/qeglimagefunctions_p.h>
# include <EGL/egl.h>
#endif
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
namespace QtMultimediaPrivate {
static QString toString(GLError error)
{
switch (error) {
case GLError::NoError:
return u"GL_NO_ERROR"_s;
case GLError::InvalidEnum:
return u"GL_INVALID_ENUM"_s;
case GLError::InvalidValue:
return u"GL_INVALID_VALUE"_s;
case GLError::InvalidOperation:
return u"GL_INVALID_OPERATION"_s;
case GLError::StackOverflow:
return u"GL_STACK_OVERFLOW"_s;
case GLError::StackUnderflow:
return u"GL_STACK_UNDERFLOW"_s;
case GLError::OutOfMemory:
return u"GL_OUT_OF_MEMORY"_s;
case GLError::InvalidFramebufferOperation:
return u"GL_INVALID_FRAMEBUFFER_OPERATION"_s;
}
return u"unknown GL error"_s;
}
QDebug operator<<(QDebug debug, GLError error)
{
const QDebugStateSaver saver(debug);
debug.nospace().noquote() << "GLError(0x" << Qt::hex << qToUnderlying(error) << Qt::dec << ", "
<< toString(error) << ')';
return debug;
}
#if QT_CONFIG(egl)
static QString toString(EGLError error)
{
switch (error) {
case EGLError::Success:
return u"EGL_SUCCESS"_s;
case EGLError::NotInitialized:
return u"EGL_NOT_INITIALIZED"_s;
case EGLError::BadAccess:
return u"EGL_BAD_ACCESS"_s;
case EGLError::BadAlloc:
return u"EGL_BAD_ALLOC"_s;
case EGLError::BadAttribute:
return u"EGL_BAD_ATTRIBUTE"_s;
case EGLError::BadConfig:
return u"EGL_BAD_CONFIG"_s;
case EGLError::BadContext:
return u"EGL_BAD_CONTEXT"_s;
case EGLError::BadCurrentSurface:
return u"EGL_BAD_CURRENT_SURFACE"_s;
case EGLError::BadDisplay:
return u"EGL_BAD_DISPLAY"_s;
case EGLError::BadMatch:
return u"EGL_BAD_MATCH"_s;
case EGLError::BadNativePixmap:
return u"EGL_BAD_NATIVE_PIXMAP"_s;
case EGLError::BadNativeWindow:
return u"EGL_BAD_NATIVE_WINDOW"_s;
case EGLError::BadParameter:
return u"EGL_BAD_PARAMETER"_s;
case EGLError::BadSurface:
return u"EGL_BAD_SURFACE"_s;
case EGLError::ContextLost:
return u"EGL_CONTEXT_LOST"_s;
}
return u"unknown EGL error"_s;
}
QDebug operator<<(QDebug debug, EGLError error)
{
const QDebugStateSaver saver(debug);
debug.nospace().noquote() << "EGLError(0x" << Qt::hex << qToUnderlying(error) << Qt::dec << ", "
<< toString(error) << ')';
return debug;
}
EGLDisplay resolveEglDisplay(QRhi &rhi)
{
if (rhi.backend() != QRhi::OpenGLES2)
return EGL_NO_DISPLAY;
auto *nativeHandles = static_cast<const QRhiGles2NativeHandles *>(rhi.nativeHandles());
QOpenGLContext *glContext = nativeHandles ? nativeHandles->context : nullptr;
if (!glContext)
return EGL_NO_DISPLAY;
auto *eglContext = glContext->nativeInterface<QNativeInterface::QEGLContext>();
return eglContext ? eglContext->display() : EGL_NO_DISPLAY;
}
void EglImageDeleter::operator()(EGLImage image) const noexcept
{
if (image != EGL_NO_IMAGE)
QEglImageFunctions::instance().eglDestroyImage(m_display, image);
}
#endif
void GlTextureDeleter::operator()(GLuint texture) const noexcept
{
if (texture && m_context) {
QOpenGLFunctions functions(m_context);
functions.glDeleteTextures(1, &texture);
}
}
} // namespace QtMultimediaPrivate
QT_END_NAMESPACE