mirror of https://github.com/qt/qtbase.git
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright (C) 2018 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#ifndef QWASMOPENGLCONTEXT_H
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#define QWASMOPENGLCONTEXT_H
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#include <qpa/qplatformopenglcontext.h>
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#include <emscripten.h>
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#include <emscripten/html5.h>
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QT_BEGIN_NAMESPACE
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class QOpenGLContext;
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class QPlatformScreen;
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class QWasmOpenGLContext : public QPlatformOpenGLContext
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{
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public:
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explicit QWasmOpenGLContext(QOpenGLContext *context);
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~QWasmOpenGLContext();
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QSurfaceFormat format() const override;
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void swapBuffers(QPlatformSurface *surface) override;
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GLuint defaultFramebufferObject(QPlatformSurface *surface) const override;
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bool makeCurrent(QPlatformSurface *surface) override;
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void doneCurrent() override;
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bool isSharing() const override;
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bool isValid() const override;
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QFunctionPointer getProcAddress(const char *procName) override;
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private:
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static bool isOpenGLVersionSupported(QSurfaceFormat format);
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bool maybeCreateEmscriptenContext(QPlatformSurface *surface);
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static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE
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createEmscriptenContext(const std::string &canvasSelector, QSurfaceFormat format);
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QSurfaceFormat m_requestedFormat;
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QPlatformSurface *m_surface = nullptr;
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QOpenGLContext *m_qGlContext;
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EMSCRIPTEN_WEBGL_CONTEXT_HANDLE m_webGLContext = 0;
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};
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QT_END_NAMESPACE
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#endif // QWASMOPENGLCONTEXT_H
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