netradiant-custom/libs/gtkutil/glwidget.cpp
Garux df02774ff5 tweak StringOutputStream use
auto str = StringOutputStream()(bla) use form was not doing copy elision or move, but copy
2024-01-29 16:54:08 +06:00

76 lines
2.4 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// OpenGL widget based on GtkGLExt
#include "glwidget.h"
#include "debugging/debugging.h"
#include "igl.h"
#include <QSurfaceFormat>
#include <QCoreApplication>
#include <QOpenGLWidget>
void ( *GLWidget_sharedContextCreated )() = 0;
void ( *GLWidget_sharedContextDestroyed )() = 0;
unsigned int g_context_count = 0;
void glwidget_context_created( QOpenGLWidget& widget ){
globalOutputStream() << "OpenGL window configuration:"
<< " version: " << widget.format().majorVersion() << '.' << widget.format().minorVersion()
<< " RGBA: " << widget.format().redBufferSize() << widget.format().greenBufferSize() << widget.format().blueBufferSize() << widget.format().alphaBufferSize()
<< " depth: " << widget.format().depthBufferSize()
<< " swapInterval: " << widget.format().swapInterval()
<< " samples: " << widget.format().samples()
<< '\n';
ASSERT_MESSAGE( widget.isValid(), "failed to create OpenGL widget" );
if ( ++g_context_count == 1 ) {
GlobalOpenGL().funcs = widget.context()->versionFunctions<QOpenGLFunctions_2_0>();
ASSERT_MESSAGE( GlobalOpenGL().funcs, "failed to initializeOpenGLFunctions" );
GlobalOpenGL().contextValid = true;
GLWidget_sharedContextCreated();
}
}
void glwidget_context_destroyed(){
if ( --g_context_count == 0 ) {
GlobalOpenGL().funcs = nullptr;
GlobalOpenGL().contextValid = false;
GLWidget_sharedContextDestroyed();
}
}
void glwidget_setDefaultFormat(){
QCoreApplication::setAttribute( Qt::ApplicationAttribute::AA_ShareOpenGLContexts );
QSurfaceFormat format;
format.setVersion( 2, 0 );
format.setSwapInterval( 0 );
// format.setSamples( 8 );
QSurfaceFormat::setDefaultFormat( format );
}