64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <QOpenGLFramebufferObject>
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#include "debugging/debugging.h"
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class FBO
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{
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QOpenGLFramebufferObject *m_fbo{};
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public:
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const int m_samples;
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FBO( int w, int h, bool hasDepth, int samples ) : m_samples( samples )
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{
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ASSERT_MESSAGE( QOpenGLFramebufferObject::hasOpenGLFramebufferObjects(), "QOpenGLFramebufferObject::hasOpenGLFramebufferObjects()" );
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ASSERT_MESSAGE( QOpenGLFramebufferObject::hasOpenGLFramebufferBlit(), "QOpenGLFramebufferObject::hasOpenGLFramebufferBlit()" );
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QOpenGLFramebufferObjectFormat format;
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if( hasDepth )
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format.setAttachment( QOpenGLFramebufferObject::Attachment::Depth );
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format.setSamples( samples );
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m_fbo = new QOpenGLFramebufferObject( w, h, format );
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ASSERT_MESSAGE( m_fbo->isValid(), "m_fbo->isValid()" );
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}
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FBO( FBO&& ) noexcept = delete;
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~FBO(){
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delete m_fbo;
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}
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bool bind(){
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if( m_fbo->format().samples() )
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gl().glEnable( GL_MULTISAMPLE );
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else
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gl().glDisable( GL_MULTISAMPLE );
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return m_fbo->bind();
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}
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bool release(){
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return m_fbo->release();
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}
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void blit(){
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QOpenGLFramebufferObject::blitFramebuffer( nullptr, m_fbo );
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}
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};
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