public void PushConstant <T>(GraphicsPipeline pipelineLayout, ShaderStage stageFlags, T data, uint offset = 0) where T : unmanaged
{
vkCmdPushConstants(handle, pipelineLayout._pipelineLayout, stageFlags.StageToVkShaderStageFlags(), offset, (uint)Interop.SizeOf <T>(), (void *)&data /*Interop.AllocToPointer<T>(ref data)*/);
}