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Fix typo in renderers documentation #321

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chaoticgd merged 1 commit into from
Jul 1, 2026
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Fix typo in renderers documentation #321

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2 changes: 1 addition & 1 deletion docs/renderers.md
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Expand Up @@ -21,7 +21,7 @@ For most games, the high-level flow of data when the PS2 is drawing graphics loo

Model data is stored in RAM in the form of a VIF DMA packet. Static data can be left in memory between frames, however dynamic data will usually be written out as a new command list every frame. This command list is then sent through DMA channel 1 to Vector unit InterFace 1 (VIF1). This unit will interpret the command list, decompressing data and code into VU1's data memory and program memory respectively. It will also control microprogram execution on the VU.

The actual VU1 microprogram will usually apply a matrix transformation to all the vertices and then write them out to a GS packet which is sent to the Graphics InterFace (GIF). This unit will read the GS packet and use it to control the GS during rendering. The Graphics Synthesizer is a fixed-function unit that draws triangles. It also has 2MB of on-board memory which is used to store textures and framebuffers.
The actual VU1 microprogram will usually apply a matrix transformation to all the vertices and then write them out to a GS packet which is sent to the Graphics InterFace (GIF). This unit will read the GS packet and use it to control the GS during rendering. The Graphics Synthesizer is a fixed-function unit that draws triangles. It also has 4MB of on-board memory which is used to store textures and framebuffers.

This is known as PATH1 rendering. PATH2 rendering bypasses VU1 using a `DIRECT` VIF code. PATH3 rendering bypasses VIF1 entirely.

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