BOOL XGraphicsOpenGL::LoadImg( LPCTSTR szFilename, int *pWidth, int *pHeight, DWORD **ppImage )
{
XImage<DWORD> *pImage = new XImageiOS<DWORD>( TRUE );
if( pImage->Load( szFilename ) )
{
*pWidth = pImage->GetMemWidth();
*pHeight = pImage->GetMemHeight();
DWORD **pp = (DWORD **)ppImage;
pImage->MovePtr( pp );
*ppImage = (DWORD *)*pp;
SAFE_DELETE( pImage );
return TRUE;
}
SAFE_DELETE_ARRAY( pImage );
return FALSE;
}
BOOL XSurfaceOpenGL::CreatePNG( LPCTSTR szFilename, BOOL bSrcKeep )
{
// g_Pool.AllocMark(5);
XImage<DWORD> *pImage = new XImageiOS<DWORD>( GetbHighReso() );
pImage->Load( szFilename );
// 빈 텍스쳐 만듬.
SetSrcImg( NULL, pImage->GetMemWidth(), pImage->GetMemHeight() );
int memw = GetMemWidth();
int memh = GetMemHeight();
// m_nWidth = pImage->GetWidth();
// m_nHeight = pImage->GetHeight();
// w,h값을 2^단위로 정렬한다.
GLsizei alignedW = pImage->GetMemWidth();
GLsizei alignedH = pImage->GetMemHeight();
GRAPHICS->AlignPowSize( &alignedW, &alignedH );
m_nAlignedWidth = alignedW;
m_nAlignedHeight = alignedH;
// 정렬된 크기로 버텍스버퍼생성.
CreateVertexBuffer( GetWidth(), GetHeight(), 0, 0, memw, memh, alignedW, alignedH );
glGenTextures( 1, &m_textureID );
XBREAK( m_textureID == 0 );
glBindTexture(GL_TEXTURE_2D, m_textureID );
if( m_textureID == 0 )
{
XERROR( "memw:%d memh:%d", GetMemWidth(), GetMemHeight() );
return FALSE;
}
// gl텍스쳐로 쓰기 위해 크기를 정렬한다
{
// g_Pool.AllocMark(4);
DWORD *temp, *_temp, *src;
temp = _temp = new DWORD[ alignedW * alignedH ];
memset( temp, 0, alignedW * alignedH * sizeof(DWORD) );
int i, j;
src = pImage->GetTextureData();
for( i = 0; i < memh; i ++ )
{
for( j = 0; j < memw; j ++ )
{
*_temp++ = *src++;
}
_temp += (alignedW - memw);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
alignedW,
alignedH,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
temp );
SAFE_DELETE( temp );
// g_Pool.RestoreMark(4);
}
// 클래스내 보관용 이미지를 가져옴
if( bSrcKeep )
{
DWORD *pSrcImg;
pImage->MovePtr( &pSrcImg ); // Image메모리 소유권을 가져온다
SetSrcImg( pSrcImg, memw, memh );
}
SAFE_DELETE( pImage );
// g_Pool.RestoreMark(5);
/* if( bSrcKeep == FALSE ) {
SAFE_DELETE( temp );
}
else
m_pSrcImg = temp; */
return TRUE;
}