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ProjectTripleInFlight

psx_gte::scene

Struct ProjectTripleInFlight 

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pub struct ProjectTripleInFlight(/* private fields */);
Expand description

In-flight RTPT kicked by start_project_triple; read collects the three projected results.

Between kick and read the caller must not issue any other GTE op or touch GTE registers; arbitrary scalar CPU work is fine and is the whole point – it runs while the GTE projects. On the host build the projection happens eagerly at kick and read just returns it.

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impl ProjectTripleInFlight

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pub fn read(self) -> [Projected; 3]

Collect the projected triple.

MFC2 does not provide a general GTE-busy interlock: the console result in hardware-tests record 0xB0 disproved that older assumption for NCLIP/MAC0. This RTPT sequence is safe only if its first result is ready by the read issue point; v1.20 records 0xC4-C7 measure that exact window. Until silicon answers them, callers must not treat a short overlap as a guaranteed blocking wait.

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