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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qpa/qplatformopenglcontext.h>
#include <emscripten.h>
#include <emscripten/html5.h>
QT_BEGIN_NAMESPACE
class QPlatformScreen;
class QWasmOpenGLContext : public QPlatformOpenGLContext
{
public:
QWasmOpenGLContext(const QSurfaceFormat &format);
~QWasmOpenGLContext();
QSurfaceFormat format() const override;
void swapBuffers(QPlatformSurface *surface) override;
GLuint defaultFramebufferObject(QPlatformSurface *surface) const override;
bool makeCurrent(QPlatformSurface *surface) override;
void doneCurrent() override;
bool isSharing() const override;
bool isValid() const override;
QFunctionPointer getProcAddress(const char *procName) override;
private:
static bool isOpenGLVersionSupported(QSurfaceFormat format);
bool maybeCreateEmscriptenContext(QPlatformSurface *surface);
static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE createEmscriptenContext(const QString &canvasId, QSurfaceFormat format);
QSurfaceFormat m_requestedFormat;
QPlatformScreen *m_screen = nullptr;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE m_context = 0;
};
QT_END_NAMESPACE
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