diff options
Diffstat (limited to 'src/exa_wm_nomask.g4a')
| -rw-r--r-- | src/exa_wm_nomask.g4a | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/exa_wm_nomask.g4a b/src/exa_wm_nomask.g4a new file mode 100644 index 00000000..8e851a36 --- /dev/null +++ b/src/exa_wm_nomask.g4a @@ -0,0 +1,143 @@ +/* + * This's for exa composite operation in no mask picture case. + * The simplest case is just sending what src picture has to dst picture. + */ + +/* I think this should be same as in g4a program for texture video, + as we also use 16-pixel dispatch. and SF scale in g3 is useful for us. */ + +/* The initial payload of the thread is always g0. + * WM_URB (incoming URB entries) is g3 + * X0_R is g4 + * X1_R is g5 + * Y0_R is g6 + * Y1_R is g7 + */ + + /* Set up ss0.x coordinates*/ +mov (1) g4<1>F g1.8<0,1,0>UW { align1 }; +add (1) g4.4<1>F g1.8<0,1,0>UW 1UB { align1 }; +mov (1) g4.8<1>F g1.8<0,1,0>UW { align1 }; +add (1) g4.12<1>F g1.8<0,1,0>UW 1UB { align1 }; + /* Set up ss0.y coordinates */ +mov (1) g6<1>F g1.10<0,1,0>UW { align1 }; +mov (1) g6.4<1>F g1.10<0,1,0>UW { align1 }; +add (1) g6.8<1>F g1.10<0,1,0>UW 1UB { align1 }; +add (1) g6.12<1>F g1.10<0,1,0>UW 1UB { align1 }; + /* set up ss1.x coordinates */ +mov (1) g4.16<1>F g1.12<0,1,0>UW { align1 }; +add (1) g4.20<1>F g1.12<0,1,0>UW 1UB { align1 }; +mov (1) g4.24<1>F g1.12<0,1,0>UW { align1 }; +add (1) g4.28<1>F g1.12<0,1,0>UW 1UB { align1 }; + /* set up ss1.y coordinates */ +mov (1) g6.16<1>F g1.14<0,1,0>UW { align1 }; +mov (1) g6.20<1>F g1.14<0,1,0>UW { align1 }; +add (1) g6.24<1>F g1.14<0,1,0>UW 1UB { align1 }; +add (1) g6.28<1>F g1.14<0,1,0>UW 1UB { align1 }; + /* Set up ss2.x coordinates */ +mov (1) g5<1>F g1.16<0,1,0>UW { align1 }; +add (1) g5.4<1>F g1.16<0,1,0>UW 1UB { align1 }; +mov (1) g5.8<1>F g1.16<0,1,0>UW { align1 }; +add (1) g5.12<1>F g1.16<0,1,0>UW 1UB { align1 }; + /* Set up ss2.y coordinates */ +mov (1) g7<1>F g1.18<0,1,0>UW { align1 }; +mov (1) g7.4<1>F g1.18<0,1,0>UW { align1 }; +add (1) g7.8<1>F g1.18<0,1,0>UW 1UB { align1 }; +add (1) g7.12<1>F g1.18<0,1,0>UW 1UB { align1 }; + /* Set up ss3.x coordinates */ +mov (1) g5.16<1>F g1.20<0,1,0>UW { align1 }; +add (1) g5.20<1>F g1.20<0,1,0>UW 1UB { align1 }; +mov (1) g5.24<1>F g1.20<0,1,0>UW { align1 }; +add (1) g5.28<1>F g1.20<0,1,0>UW 1UB { align1 }; + /* Set up ss3.y coordinates */ +mov (1) g7.16<1>F g1.22<0,1,0>UW { align1 }; +mov (1) g7.20<1>F g1.22<0,1,0>UW { align1 }; +add (1) g7.24<1>F g1.22<0,1,0>UW 1UB { align1 }; +add (1) g7.28<1>F g1.22<0,1,0>UW 1UB { align1 }; + + /* Now, map these screen space coordinates into texture coordinates. */ + /* subtract screen-space X origin of vertex 0. */ +add (8) g4<1>F g4<8,8,1>F -g1<0,1,0>F { align1 }; +add (8) g5<1>F g5<8,8,1>F -g1<0,1,0>F { align1 }; + /* scale by texture X increment */ +mul (8) g4<1>F g4<8,8,1>F g3<0,1,0>F { align1 }; +mul (8) g5<1>F g5<8,8,1>F g3<0,1,0>F { align1 }; + /* add in texture X offset */ +add (8) g4<1>F g4<8,8,1>F g3.12<0,1,0>F { align1 }; +add (8) g5<1>F g5<8,8,1>F g3.12<0,1,0>F { align1 }; + /* subtract screen-space Y origin of vertex 0. */ +add (8) g6<1>F g6<8,8,1>F -g1.4<0,1,0>F { align1 }; +add (8) g7<1>F g7<8,8,1>F -g1.4<0,1,0>F { align1 }; + /* scale by texture Y increment */ +mul (8) g6<1>F g6<8,8,1>F g3.20<0,1,0>F { align1 }; +mul (8) g7<1>F g7<8,8,1>F g3.20<0,1,0>F { align1 }; + /* add in texture Y offset */ +add (8) g6<1>F g6<8,8,1>F g3.28<0,1,0>F { align1 }; +add (8) g7<1>F g7<8,8,1>F g3.28<0,1,0>F { align1 }; + +/* prepare sampler read back gX register, which would be written back to output */ + +/* use simd16 sampler, param 0 is u, param 1 is v. */ +/* 'payload' loading, assuming tex coord start from g4 */ +mov (8) m1<1>F g4<8,8,1>F { align1 }; +mov (8) m2<1>F g5<8,8,1>F { align1 }; /* param 0 u in m1, m2 */ +mov (8) m3<1>F g6<8,8,1>F { align1 }; +mov (8) m4<1>F g7<8,8,1>F { align1 }; /* param 1 v in m3, m4 */ + +/* m0 will be copied with g0, as it contains send desc */ +/* emit sampler 'send' cmd */ +send (16) 0 /* msg reg index */ + g12<1>UW /* readback */ + g0<8,8,1>UW /* copy to msg start reg*/ + sampler (1,0,F) /* sampler message description, (binding_table,sampler_index,datatype) + /* here(src->dst) we should use src_sampler and src_surface */ + mlen 5 rlen 8 { align1 }; /* required message len 5, readback len 8 */ + +mov (8) g19<1>UD g19<8,8,1>UD { align1 }; /* wait sampler return */ +/* if we set up read-back reg correctly, emit dataport write 'send' cmd with EOT */ + +/* m0, m1 are all direct passed by PS thread payload */ +mov (8) m1<1>F g1<8,8,1>F { align1 }; + +/* prepare data in m2-m5 for subspan(1,0), m6-m9 for subspan(3,2), then it's ready to write */ +/* g12 -> m2 + g13 -> m6 + g14 -> m3 + g15 -> m7 + g16 -> m4 + g17 -> m8 + g18 -> m5 + g19 -> m9 +*/ +mov (8) m2<1>F g12<8,8,1>F { align1 }; +mov (8) m3<1>F g14<8,8,1>F { align1 }; +mov (8) m4<1>F g16<8,8,1>F { align1 }; +mov (8) m5<1>F g18<8,8,1>F { align1 }; +mov (8) m6<1>F g13<8,8,1>F { align1 }; +mov (8) m7<1>F g15<8,8,1>F { align1 }; +mov (8) m8<1>F g17<8,8,1>F { align1 }; +mov (8) m9<1>F g19<8,8,1>F { align1 }; + +/* m0, m1 are all direct passed by PS thread payload */ +mov (8) m1<1>UD g1<8,8,1>UD { align1 mask_disable }; + +/* write */ +send (16) 0 acc0<1>UW g0<8,8,1>UW write ( + 0, /* binding_table */ + 8, /* pixel scordboard clear, msg type simd16 single source */ + 4, /* render target write */ + 0 /* no write commit message */ + ) + mlen 10 + rlen 0 + { align1 EOT }; + +nop; +nop; +nop; +nop; +nop; +nop; +nop; +nop; +nop; |