Changes

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|  Command Index, must be <=15 when writing a command to shared memory. This index is updated by GSP module after loading the command data, right before the command is processed.

|  Current command index. This index is updated by GSP module after loading the command data, right before the command is processed. When this index is updated by GSP module, the total commands field is decreased by one as well.

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|  Must not be value 0. This is incremented by the application, after increasing this value [[GSPGPU:TriggerCmdReqQueue|TriggerCmdReqQueue]] is only used if this field is value 1.

|  Total commands to process, must not be value 0 when GSP module handles commands. This must be <=15 when writing a command to shared memory. This is incremented by the application, after increasing this value [[GSPGPU:TriggerCmdReqQueue|TriggerCmdReqQueue]] is only used if this field is value 1.

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