Runtime and pixel formats

Runtime capability probes and the exported framebuffer format constants.

Every entry below is generated from a public binding table or header declaration and links to its immutable source line.

`graphics.framebuf_backend`

graphics.framebuf_backend()

Return the active framebuffer backend identifier.

graphics.implementation()

Return the implementation identifier for this graphics module.

graphics.capabilities()

Return structured runtime feature and pixel-format capabilities.

graphics.MONO_VLSB

Monochrome vertical least-significant-bit layout.

graphics.MONO_HLSB

Monochrome horizontal least-significant-bit layout.

graphics.MONO_HMSB

Monochrome horizontal most-significant-bit layout.

graphics.RGB565

16-bit RGB565 pixel layout.

graphics.GS2_HMSB

2-bit grayscale horizontal most-significant-bit layout.

graphics.GS4_HMSB

4-bit grayscale horizontal most-significant-bit layout.

graphics.GS8

8-bit grayscale layout.

graphics.RGB888

24-bit RGB888 pixel layout.