diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmopenglcontext.h')
| -rw-r--r-- | src/plugins/platforms/wasm/qwasmopenglcontext.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasmopenglcontext.h b/src/plugins/platforms/wasm/qwasmopenglcontext.h new file mode 100644 index 0000000000..9123100479 --- /dev/null +++ b/src/plugins/platforms/wasm/qwasmopenglcontext.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qpa/qplatformopenglcontext.h> + +#include <emscripten.h> +#include <emscripten/html5.h> + +QT_BEGIN_NAMESPACE + +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: + void maybeRecreateEmscriptenContext(QPlatformSurface *surface); + static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE createEmscriptenContext(const char *canvasId, QSurfaceFormat format); + + bool m_contextLost = false; + QSurfaceFormat m_requestedFormat; + QPlatformSurface *m_surface = nullptr; + EMSCRIPTEN_WEBGL_CONTEXT_HANDLE m_context = 0; +}; + +QT_END_NAMESPACE + |