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/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program 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, or (at your option)
* any later version.
*
* This Program 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "TextureDX.h"
#include "WindowingFactory.h"
#include "../xbmc/FileSystem/SpecialProtocol.h"
#include "utils/log.h"
#ifdef HAS_DX
/************************************************************************/
/* CDXTexture */
/************************************************************************/
CDXTexture::CDXTexture(unsigned int width, unsigned int height, unsigned int BPP)
: CBaseTexture(width, height, BPP)
{
Allocate(m_imageWidth, m_imageHeight, m_nBPP);
}
CDXTexture::~CDXTexture()
{
DestroyTextureObject();
}
void CDXTexture::CreateTextureObject()
{
D3DFORMAT format;
if (m_nBPP == 8)
format = D3DFMT_LIN_A8;
else if (m_nBPP == 32)
format = D3DFMT_LIN_A8R8G8B8;
else
return;
SAFE_RELEASE(m_pTexture);
D3DXCreateTexture(g_Windowing.Get3DDevice(), m_nTextureWidth, m_nTextureHeight, 1, 0, format, D3DPOOL_MANAGED , &m_pTexture);
}
void CDXTexture::DestroyTextureObject()
{
SAFE_RELEASE(m_pTexture);
}
void CDXTexture::LoadToGPU()
{
if (!m_pPixels)
{
// nothing to load - probably same image (no change)
return;
}
if (m_pTexture == NULL)
{
CreateTextureObject();
if (m_pTexture == NULL)
{
CLog::Log(LOGDEBUG, "CDXTexture::CDXTexture: Error creating new texture for size %d x %d", m_nTextureWidth, m_nTextureHeight);
return;
}
}
D3DLOCKED_RECT lr;
if ( D3D_OK == m_pTexture->LockRect( 0, &lr, NULL, 0 ))
{
DWORD destPitch = lr.Pitch;
DWORD srcPitch = m_imageWidth * m_nBPP / 8;
BYTE *pixels = (BYTE *)lr.pBits;
for (unsigned int y = 0; y < m_nTextureHeight; y++)
{
BYTE *dst = pixels + y * destPitch;
BYTE *src = m_pPixels + y * srcPitch;
memcpy(dst, src, srcPitch);
}
}
m_pTexture->UnlockRect(0);
delete [] m_pPixels;
m_pPixels = NULL;
m_loadedToGPU = true;
}
#endif
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