I am trying to draw a triangle using functions like DrawIndexedPrimitive, RHIDrawPrimitive, RHIDrawIndexedPrimitive, and DrawIndexedPrimitiveUP. Could you help me find a working example for Unreal Engine 5? I am currently testing the migration from another engine to Unreal, where rendering was done using low-level APIs like OpenGL, Metal, and Vulkan. In Unreal, it seems necessary to use the RHI abstraction for this purpose. However, despite several attempts using GPT-generated RHI rendering examples, all of them resulted in crashes. I have also been unable to find a proper example elsewhere. I would greatly appreciate any guidance or examples you could provide. Thank you.
you want draw in screen ? or draw in world?