[Drvoje]

Textures need to be addressed and filtered. This job is done by TMUs that work in conjunction with pixel and vertex shader units. It is the TMU's job to apply texture operations to pixels. The number of texture units in a graphics processor is used when comparing two different cards for texturing performance. It is reasonable to assume that the card with more TMUs will be faster at processing texture information.

The Render Output Pipeline is an inherited term, and more often referred to as the render output unit. Its job is to control the sampling of pixels (each pixel is a dimensionless point), so it controls antialiasing, where more than one sample is merged into one pixel. All data rendered has to travel through the ROP in order to be written to the framebuffer, from there it can be transmitted to the display.

Therefore, the ROP is where the GPU's output is assembled into a bitmapped image ready for display.

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