0 Replies Latest reply on Aug 10, 2009 5:24 AM by jinhou

    what's the mean of VALID_PIX?

    jinhou

      Hi, i get some code of ATI native code via GPUShaderAnalyzer.

      here is a simple example,

       

      but i do not know the meanning of "UPDATE_EXEC_MASK", "UPDATE_PRED" and "VALID_PIX". What 's their action in this native code?

      Thanks.



      ; -------- Disassembly -------------------- 00 ALU_PUSH_BEFORE: ADDR(32) CNT(1) KCACHE0(CB4:0-15) 0 x: PREDNE_INT ____, KC0[0].x, 0.0f UPDATE_EXEC_MASK UPDATE_PRED 01 JUMP ADDR(4) 02 TEX: ADDR(224) CNT(1) VALID_PIX 1 SAMPLE R6, R0.xy0x, t0, s1