| siRenderRegionDisplayRGBA |
[0] Show the full RGB contents of the framebuffer, alpha composed on top of the viewport's contents. |
| siRenderRegionDisplayRGB |
[1] Show the full RGB contents of the framebuffer with no alpha compositing. |
| siRenderRegionDisplayAlpha |
[2] Show only the alpha channel of the framebuffer with no alpha compositing. |
| siRenderRegionDisplayRed |
[3] Show only the red channel of the framebuffer with no alpha compositing. |
| siRenderRegionDisplayGreen |
[4] Show only the green channel of the framebuffer with no alpha compositing. |
| siRenderRegionDisplayBlue |
[5] Show only the blue channel of the framebuffer with no alpha compositing. |