2018-12-14 03:44:20 -06:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <Qt5OpenGLContext.hxx>
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#include <vcl/sysdata.hxx>
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#include <opengl/zone.hxx>
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#include <sal/log.hxx>
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#include <window.h>
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#include <Qt5Object.hxx>
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#include <QtGui/QOpenGLContext>
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#include <QtGui/QWindow>
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bool Qt5OpenGLContext::g_bAnyCurrent = false;
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void Qt5OpenGLContext::swapBuffers()
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{
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OpenGLZone aZone;
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if (m_pContext && m_pWindow && m_pWindow->isExposed())
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{
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m_pContext->swapBuffers(m_pWindow);
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}
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BuffersSwapped();
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}
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void Qt5OpenGLContext::resetCurrent()
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{
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clearCurrent();
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OpenGLZone aZone;
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if (m_pContext)
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{
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m_pContext->doneCurrent();
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g_bAnyCurrent = false;
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}
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}
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bool Qt5OpenGLContext::isCurrent()
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{
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OpenGLZone aZone;
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return g_bAnyCurrent && (QOpenGLContext::currentContext() == m_pContext);
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}
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bool Qt5OpenGLContext::isAnyCurrent()
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{
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OpenGLZone aZone;
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return g_bAnyCurrent && (QOpenGLContext::currentContext() != nullptr);
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}
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bool Qt5OpenGLContext::ImplInit()
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{
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if (!m_pWindow)
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{
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SAL_WARN("vcl.opengl.qt5", "failed to create window");
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return false;
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}
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m_pWindow->setSurfaceType(QSurface::OpenGLSurface);
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m_pWindow->create();
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m_pContext = new QOpenGLContext(m_pWindow);
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if (!m_pContext->create())
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{
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SAL_WARN("vcl.opengl.qt5", "failed to create context");
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return false;
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}
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m_pContext->makeCurrent(m_pWindow);
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g_bAnyCurrent = true;
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bool bRet = InitGL();
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InitGLDebugging();
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
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registerAsCurrent();
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return bRet;
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}
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void Qt5OpenGLContext::makeCurrent()
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{
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if (isCurrent())
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return;
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OpenGLZone aZone;
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clearCurrent();
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if (m_pContext && m_pWindow)
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{
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m_pContext->makeCurrent(m_pWindow);
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g_bAnyCurrent = true;
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}
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registerAsCurrent();
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}
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void Qt5OpenGLContext::destroyCurrentContext()
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{
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OpenGLZone aZone;
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if (m_pContext)
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{
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m_pContext->doneCurrent();
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g_bAnyCurrent = false;
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}
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if (glGetError() != GL_NO_ERROR)
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{
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SAL_WARN("vcl.opengl.qt5", "glError: " << glGetError());
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}
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}
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void Qt5OpenGLContext::initWindow()
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{
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if (!m_pChildWindow)
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{
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SystemWindowData winData = generateWinData(mpWindow, mbRequestLegacyContext);
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m_pChildWindow = VclPtr<SystemChildWindow>::Create(mpWindow, 0, &winData, false);
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}
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if (m_pChildWindow)
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{
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InitChildWindow(m_pChildWindow.get());
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}
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2019-05-30 08:39:11 -05:00
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m_pWindow
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= static_cast<Qt5Object*>(m_pChildWindow->ImplGetWindowImpl()->mpSysObj)->windowHandle();
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2018-12-14 03:44:20 -06:00
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}
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