Files
libreoffice/vcl/opengl/framebuffer.cxx
Louis-Francis Ratté-Boulianne d6b51a87b4 vcl: Use the current OpenGL context for VirtualDevice and Bitmap if possible
Conflicts:
	include/vcl/opengl/OpenGLContext.hxx
	vcl/inc/openglgdiimpl.hxx
	vcl/opengl/gdiimpl.cxx
	vcl/opengl/x11/gdiimpl.cxx
	vcl/source/opengl/OpenGLContext.cxx

Change-Id: I17f6ce66fb8b5bc027d35b4016ae56c24ee0a738
2014-12-02 08:34:51 +01:00

71 lines
1.9 KiB
C++

/* -*- 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/.
*/
#include <sal/log.hxx>
#include <opengl/framebuffer.hxx>
#include <vcl/opengl/OpenGLHelper.hxx>
OpenGLFramebuffer::OpenGLFramebuffer() :
mnId( 0 ),
mpPrevFramebuffer( NULL ),
mpNextFramebuffer( NULL )
{
glGenFramebuffers( 1, &mnId );
SAL_INFO( "vcl.opengl", "Created framebuffer " << (int)mnId );
}
OpenGLFramebuffer::~OpenGLFramebuffer()
{
glDeleteFramebuffers( 1, &mnId );
}
void OpenGLFramebuffer::Bind()
{
glBindFramebuffer( GL_FRAMEBUFFER, mnId );
SAL_INFO( "vcl.opengl", "Binding framebuffer " << (int)mnId );
CHECK_GL_ERROR();
}
void OpenGLFramebuffer::Unbind()
{
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
SAL_INFO( "vcl.opengl", "Binding default framebuffer" );
CHECK_GL_ERROR();
}
bool OpenGLFramebuffer::IsFree() const
{
return (!maAttachedTexture);
}
bool OpenGLFramebuffer::IsAttached( const OpenGLTexture& rTexture ) const
{
return ( maAttachedTexture == rTexture );
}
void OpenGLFramebuffer::AttachTexture( const OpenGLTexture& rTexture )
{
SAL_INFO( "vcl.opengl", "Attaching texture " << rTexture.Id() << " to framebuffer " << (int)mnId );
maAttachedTexture = rTexture;
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
maAttachedTexture.Id(), 0 );
CHECK_GL_ERROR();
}
void OpenGLFramebuffer::DetachTexture()
{
maAttachedTexture = OpenGLTexture();
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0 );
CHECK_GL_ERROR();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */