Method AddElement

trinity/Tr2TextureArray.cpp:18–79

}

Tr2TextureArrayElement Tr2TextureArray::AddElement( const ImageIO::HostBitmap& bitmap )
{
	if( !bitmap.IsValid() )
	{
		return Tr2TextureArrayElement();
	}

	if( m_dimensions.GetType() != Tr2RenderContextEnum::TEX_TYPE_INVALID )
	{
		if( m_dimensions.GetType() != bitmap.GetType() ||
			m_dimensions.GetFormat() != bitmap.GetFormat() ||
			m_dimensions.GetWidth() != bitmap.GetWidth() ||
			m_dimensions.GetHeight() != bitmap.GetHeight() ||
			m_dimensions.GetDepth() != bitmap.GetDepth() ||
			m_dimensions.GetTrueMipCount() != bitmap.GetTrueMipCount() )
		{
			return Tr2TextureArrayElement();
		}
	}

	uint32_t index = uint32_t( m_elements.size() );

	for( size_t i = 0; i < m_elements.size(); ++i )
	{
		if( !m_elements[i].IsValid() )
		{
			index = uint32_t( i );
			break;
		}
	}
	if( index == m_elements.size() )
	{
		m_elements.push_back( ImageIO::HostBitmap() );
	}
	m_elements[index].CreateFromBitmapDimensions( bitmap );
	memcpy( m_elements[index].GetRawData(), bitmap.GetRawData(), bitmap.GetRawDataSize() );

	m_dimensions = Tr2BitmapDimensions(
		bitmap.GetType(),
		bitmap.GetFormat(),
		bitmap.GetWidth(),
		bitmap.GetHeight(),
		bitmap.GetDepth(),
		bitmap.GetTrueMipCount(),
		uint32_t( ( m_elements.size() + m_increment - 1 ) / m_increment * m_increment ) );

	Tr2TextureAL newTexture = CreateTexture();
	if( !newTexture.IsValid() )
	{
		m_elements[index] = ImageIO::HostBitmap();
		return Tr2TextureArrayElement();
	}
	m_texture = newTexture;
	m_onTextureChange();

	Tr2TextureArrayElement element;
	element.m_data.reset( new Tr2TextureArrayElement::Data );
	element.m_data->m_array = this;