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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/.
*/
#include "vcl/salbtype.hxx"
#include "unx/pixmap.hxx"
#include "unx/saldisp.hxx"
#include "unx/salframe.h"
#include "unx/salgdi.h"
#include "unx/salvd.h"
#include "opengl/x11/gdiimpl.hxx"
#include <vcl/opengl/OpenGLContext.hxx>
#include <vcl/opengl/OpenGLHelper.hxx>
X11OpenGLSalGraphicsImpl::X11OpenGLSalGraphicsImpl( X11SalGraphics& rParent ):
OpenGLSalGraphicsImpl(),
mrParent(rParent)
{
}
X11OpenGLSalGraphicsImpl::~X11OpenGLSalGraphicsImpl()
{
}
GLfloat X11OpenGLSalGraphicsImpl::GetWidth() const
{
if( mrParent.m_pFrame )
return mrParent.m_pFrame->maGeometry.nWidth;
else if( mrParent.m_pVDev )
{
long nWidth = 0;
long nHeight = 0;
mrParent.m_pVDev->GetSize( nWidth, nHeight );
return nWidth;
}
return 1;
}
GLfloat X11OpenGLSalGraphicsImpl::GetHeight() const
{
if( mrParent.m_pFrame )
return mrParent.m_pFrame->maGeometry.nHeight;
else if( mrParent.m_pVDev )
{
long nWidth = 0;
long nHeight = 0;
mrParent.m_pVDev->GetSize( nWidth, nHeight );
return nHeight;
}
return 1;
}
void X11OpenGLSalGraphicsImpl::Init()
{
if( mrParent.m_pFrame && dynamic_cast<X11WindowProvider*>(mrParent.m_pFrame) )
{
Window aWin = dynamic_cast<X11WindowProvider*>(mrParent.m_pFrame)->GetX11Window();
maContext.init( mrParent.GetXDisplay(), aWin, mrParent.m_nXScreen.getXScreen());
}
else if( mrParent.m_pVDev )
{
maContext.init( mrParent.GetXDisplay(), mrParent.m_pVDev->GetDrawable(),
mrParent.m_pVDev->GetWidth(), mrParent.m_pVDev->GetHeight(),
mrParent.m_nXScreen.getXScreen() );
}
else
{
SAL_WARN( "vcl.opengl", "what happened here?" );
}
}
X11Pixmap* X11OpenGLSalGraphicsImpl::GetPixmapFromScreen( const Rectangle& rRect )
{
Display* pDisplay = mrParent.GetXDisplay();
SalX11Screen nScreen = mrParent.GetScreenNumber();
SAL_INFO( "vcl.opengl", "GetPixmapFromScreen" );
return new X11Pixmap( pDisplay, nScreen, rRect.GetWidth(), rRect.GetHeight(), 24 );
}
bool X11OpenGLSalGraphicsImpl::RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY )
{
const int aAttribs[] = {
GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGB_EXT,
None
};
Display* pDisplay = mrParent.GetXDisplay();
GLXFBConfig pFbConfig;
GLXPixmap pGlxPixmap;
GLuint nTexture;
SalTwoRect aPosAry;
bool bInverted;
SAL_INFO( "vcl.opengl", "RenderPixmapToScreen (" << nX << " " << nY << ")" );
aPosAry.mnSrcX = 0;
aPosAry.mnSrcY = 0;
aPosAry.mnDestX = nX;
aPosAry.mnDestY = nY;
aPosAry.mnSrcWidth = aPosAry.mnDestWidth = pPixmap->GetWidth();
aPosAry.mnSrcHeight = aPosAry.mnDestHeight = pPixmap->GetHeight();
XSync( pDisplay, 0 );
pFbConfig = OpenGLHelper::GetPixmapFBConfig( pDisplay, bInverted );
pGlxPixmap = glXCreatePixmap( pDisplay, pFbConfig, pPixmap->GetPixmap(), aAttribs);
XSync( pDisplay, 0 );
maContext.makeCurrent();
glViewport( 0, 0, GetWidth(), GetHeight() );
glGenTextures( 1, &nTexture );
glActiveTexture( GL_TEXTURE0 );
glBindTexture( GL_TEXTURE_2D, nTexture );
//TODO: lfrb: glXGetProc to get the functions
glXBindTexImageEXT( pDisplay, pGlxPixmap, GLX_FRONT_LEFT_EXT, NULL );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
DrawTexture( nTexture, pPixmap->GetSize(), aPosAry );
glXReleaseTexImageEXT( pDisplay, pGlxPixmap, GLX_FRONT_LEFT_EXT );
glDeleteTextures( 1, &nTexture );
glXDestroyPixmap( pDisplay, pGlxPixmap );
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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