thyrrestrup

void BasicIBL::prefilterCubeMap()
{

	auto texFormat = gl::TextureCubeMap::Format();
	texFormat.setInternalFormat( GL_RGB );
	texFormat.enableMipmapping();
	texFormat.setMinFilter( GL_LINEAR_MIPMAP_LINEAR );
	texFormat.setMagFilter( GL_LINEAR );
	texFormat.setWrap( GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE );