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