Sets the current stencil reference value on a command buffer.
Defined in <SDL3/SDL_gpu.h>
void SDL_SetGPUStencilReference(
    SDL_GPURenderPass *render_pass,
    Uint8 reference);| SDL_GPURenderPass * | render_pass | a render pass handle. | 
| Uint8 | reference | the stencil reference value to set. | 
This function is available since SDL 3.2.0.