Divergent LOD test · GitHub

SIMD8 shader: 26 instructions. 0 loops. 572 cycles. 0:0 spills:fills. scheduled with mode top-down. Promoted 0 constants. Compacted 416 to 336 bytes (19%) START B0 (352 cycles) add(16) g4<1>UW g1.4<1,4,0>UW 0x11001010V { align1 WE_all 1H }; pln(8) g9<1>F g6<0,1,0>F g2<8,8,1>F { align1 1Q compacted }; pln(8) g10<1>F g6.4<0,1,0>F g2<8,8,1>F { align1 1Q compacted }; mov(8) g2<1>F g4<8,4,1>UW { align1 1Q }; mov(8) g3<1>F g4.4<8,4,1>UW { align1 1Q }; add(8) g2<1>F g2<8,8,1>F 0x3f000000F /* 0.5F */ { align1 1Q }; add(8) g3<1>F g3<8,8,1>F 0x3f000000F /* 0.5F */ { align1 1Q }; mov(8) g4<1>D g2<8,8,1>F { align1 1Q compacted }; mov(8) g5<1>D g3<8,8,1>F { align1 1Q compacted }; shl(8) g6<1>D g5<8,8,1>D 0x00000001UD { align1 1Q }; add(8) g7<1>D g4<8,8,1>D g6<8,8,1>D { align1 1Q compacted }; shl(8) g8<1>D g7<8,8,1>D 0x00000004UD { align1 1Q }; add(8) g2<1>UD g8<8,8,1>UD 0x00000000UD { align1 1Q compacted }; send(8) g2<1>UW g2<8,8,1>UD 0x02427002 sampler MsgDesc: ld SIMD8 Surface = 2 Sampler = 0 mlen 1 rlen 4 { align1 1Q }; cmp.g.f0.0(8) null<1>F g2<8,8,1>F 0x0F /* 0F */ { align1 1Q compacted }; (+f0.0) if(8) JIP: 72 UIP: 112 { align1 1Q }; END B0 ->B1 ->B2 START B1 <-B0 (208 cycles) send(8) g124<1>UW g9<8,8,1>UD 0x04320003 sampler MsgDesc: sample SIMD8 Surface = 3 Sampler = 0 mlen 2 rlen 3 { align1 1Q }; send(8) g2<1>UW g9<8,8,1>UD 0x04229003 sampler MsgDesc: lod SIMD8 Surface = 3 Sampler = 0 mlen 2 rlen 2 { align1 1Q }; mov(8) g127<1>UD g3<8,8,1>UD { align1 1Q compacted }; else(8) JIP: 56 UIP: 56 { align1 1Q }; END B1 ->B3 START B2 <-B0 (8 cycles) mov(8) g126<1>UD 0x00000000UD { align1 1Q compacted }; mov(8) g125<1>UD 0x00000000UD { align1 1Q compacted }; mov(8) g124<1>UD 0x00000000UD { align1 1Q compacted }; mov(8) g127<1>UD 0xc1200000UD { align1 1Q }; END B2 ->B3 START B3 <-B2 <-B1 (4 cycles) endif(8) JIP: 16 { align1 1Q }; sendc(8) null<1>UW g124<0,1,0>F 0x88031400 render MsgDesc: RT write SIMD8 LastRT Surface = 0 mlen 4 rlen 0 { align1 1Q EOT }; END B3