qopenxrgraphics_opengles_p.h

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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#ifndef QOPENXRGRAPHICSOPENGLES_H
#define QOPENXRGRAPHICSOPENGLES_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
 
#include <QtQuick3DXr/private/qabstractopenxrgraphics_p.h>
#include <QtQuick3DXr/private/qopenxrplatform_p.h>
 
QT_BEGIN_NAMESPACE
 
class QRhiTexture;
 
class QOpenXRGraphicsOpenGLES : public QAbstractOpenXRGraphics
{
public:
    QOpenXRGraphicsOpenGLES();
 
    bool isExtensionSupported(const QVector<XrExtensionProperties> &extensions) const override;
    const char *extensionName() const override;
    const XrBaseInStructure *handle() const override;
    bool setupGraphics(const XrInstance &instance, XrSystemId &systemId, const QQuickGraphicsConfiguration &quickConfig) override;
    bool finializeGraphics(QRhi *rhi) override;
    int64_t colorSwapchainFormat(const QVector<int64_t> &swapchainFormats) const override;
    int64_t depthSwapchainFormat(const QVector<int64_t> &swapchainFormats) const override;
    QVector<XrSwapchainImageBaseHeader*> allocateSwapchainImages(int count, XrSwapchain swapchain) override;
    QQuickRenderTarget renderTarget(const XrSwapchainSubImage &subImage, const XrSwapchainImageBaseHeader *swapchainImage,
                                    quint64 swapchainFormat, int samples, int arraySize,
                                    const XrSwapchainImageBaseHeader *depthSwapchainImage, quint64 depthSwapchainFormat) const override;
    void releaseResources() override;
 
private:
#ifdef XR_USE_PLATFORM_ANDROID
    XrGraphicsBindingOpenGLESAndroidKHR m_graphicsBinding{};
#endif
    QMap<XrSwapchain, QVector<XrSwapchainImageOpenGLESKHR>> m_swapchainImageBuffer;
 
    XrGraphicsRequirementsOpenGLESKHR m_graphicsRequirements{};
 
    QRhi *m_rhi = nullptr;
    mutable QRhiTexture *m_depthTexture = nullptr;
};
 
QT_END_NAMESPACE
 
#endif // QOPENXRGRAPHICSOPENGLES_H