private void _createSurfaceList()
{
_surfaceList.Clear();
// For all faces and mipmaps, store surfaces as HardwarePixelBufferSharedPtr
bool wantGeneratedMips = ( Usage & TextureUsage.AutoMipMap ) != 0;
// Do mipmapping in software? (uses GLU) For some cards, this is still needed. Of course,
// only when mipmap generation is desired.
bool doSoftware = wantGeneratedMips && !MipmapsHardwareGenerated && MipmapCount != 0;
for ( int face = 0; face < this.faceCount; face++ )
{
for ( int mip = 0; mip <= MipmapCount; mip++ )
{
GLHardwarePixelBuffer buf = new GLTextureBuffer( Name, GLTextureType, _glTextureID, face, mip, (BufferUsage)Usage, doSoftware && mip == 0, _glSupport, HardwareGammaEnabled, FSAA );
_surfaceList.Add( buf );
/// Check for error
if ( buf.Width == 0 || buf.Height == 0 || buf.Depth == 0 )
{
throw new Exception( String.Format( "Zero sized texture surface on texture {0} face {1} mipmap {2}. Probably, the GL driver refused to create the texture.", Name, face, mip ) );
}
}
}
}
