dd3b512daf
* NEW: Update copyrights. git-svn-id: svn://localhost/gambas/trunk@4384 867c0c6c-44f3-4631-809d-bfa615b0a4ec
79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/***************************************************************************
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SDLosrender.cpp
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(c) 2006-2008 Laurent Carlier <lordheavy@users.sourceforge.net>
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This program 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, or (at your option)
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any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#include "SDLosrender.h"
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#include <iostream>
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/****** FBO render ******/
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bool FBOrender::hBinded = false;
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FBOrender::FBOrender()
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{
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glGenFramebuffersEXT(1, &hFbo);
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}
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FBOrender::~FBOrender()
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{
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if (hFbo)
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{
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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glDeleteFramebuffersEXT(1, &hFbo);
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}
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}
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void FBOrender::Bind(GLuint texid)
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{
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GLenum status;
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, hFbo);
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glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, texid, 0);
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status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
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if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
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std::cerr << "FBO can't be completed : "<< std::hex << status << std::endl;
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glEnable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, 0);
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, hFbo);
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FBOrender::hBinded = true;
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std::cout << "FBO: binding " << hFbo << " with tex " << texid << std::endl;
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}
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void FBOrender::Unbind(void )
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{
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if (!FBOrender::hBinded)
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return;
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glBindTexture(GL_TEXTURE_2D, 0);
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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std::cout << "FBO: unbinding " << std::endl;
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FBOrender::hBinded = false;
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}
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bool FBOrender::Check(void )
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{
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return (GLEW_ARB_framebuffer_object || GLEW_EXT_framebuffer_object);
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}
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