forked from KolibriOS/kolibrios
696 lines
17 KiB
PHP
696 lines
17 KiB
PHP
; Ray casted shadows
|
|
; by Maciej Guba.
|
|
; http://macgub.co.pl
|
|
|
|
|
|
ROUND2 equ 10
|
|
ray_shad:
|
|
;--- Procedure render triangle with ray casted shadow ---
|
|
;--- effect. Calc intersection with all triangles in ----
|
|
;--- everypixel. Its not real time process, especially --
|
|
;--- when many triangles are computed. ------------------
|
|
;------in - eax - x1 shl 16 + y1 ------------------------
|
|
;---------- ebx - x2 shl 16 + y2 ------------------------
|
|
;---------- ecx - x3 shl 16 + y3 ------------------------
|
|
;---------- edx - ptr to fur coords struct --------------
|
|
;---------- esi - pointer to stencil / Z-buffer, filled -
|
|
;-------------- with dword float variables, it masks --
|
|
;-------------- 'Z' position (coord) of every front ---
|
|
;-------------- pixel. --------------------------------
|
|
;---------- edi - pointer to screen buffer --------------
|
|
;---------- xmm0 - 1st normal vector --------------------
|
|
;---------- xmm1 - 2cond normal vector ------------------
|
|
;---------- xmm2 - 3rd normal vector --------------------
|
|
;---------- xmm3 - --------------------------------------
|
|
;---------- xmm4 - lo -> hi z1, z2, z3 coords -----------
|
|
;--------------- as dwords floats ---------------------
|
|
;---------- xmm5 - lo -> hi y_min, y_max, x_min, x_max --
|
|
;--------------- as dword integers --------------------
|
|
;-----------mm7 - current triangle index ---------------
|
|
;---------------------- stack - no parameters -----------
|
|
;--------------------------------------------------------
|
|
;----------------- procedure don't save registers !! ----
|
|
|
|
push ebp
|
|
mov ebp,esp
|
|
sub esp,1024
|
|
sub ebp,16
|
|
and ebp,0xfffffff0
|
|
|
|
.1_nv equ [ebp-16]
|
|
.2_nv equ [ebp-32]
|
|
.3_nv equ [ebp-48]
|
|
.l_v equ [ebp-64]
|
|
.z3 equ [ebp-72]
|
|
.z2 equ [ebp-76]
|
|
.z1 equ [ebp-80]
|
|
.x1 equ [ebp-82]
|
|
.y1 equ [ebp-84]
|
|
.x2 equ [ebp-86]
|
|
.y2 equ [ebp-88]
|
|
.x3 equ [ebp-90]
|
|
.y3 equ [ebp-92]
|
|
.Zbuf equ [ebp-96]
|
|
.x_max equ [ebp-100]
|
|
.x_min equ [ebp-104]
|
|
.y_max equ [ebp-108]
|
|
.y_min equ [ebp-112]
|
|
.screen equ [ebp-116]
|
|
.dx12 equ [ebp-120]
|
|
.dx13 equ [ebp-124]
|
|
.dx23 equ [ebp-128]
|
|
.dn12 equ [ebp-144]
|
|
.dn13 equ [ebp-160]
|
|
.dn23 equ [ebp-176]
|
|
.dz12 equ [ebp-180]
|
|
.dz13 equ [ebp-184]
|
|
.dz23 equ [ebp-188]
|
|
.cnv1 equ [ebp-208] ; current normal vectors
|
|
.cnv2 equ [ebp-240]
|
|
.cz2 equ [ebp-244]
|
|
.cz1 equ [ebp-248]
|
|
.tri_no equ [ebp-252]
|
|
|
|
|
|
.sort3: ; sort triangle coordinates...
|
|
cmp ax,bx
|
|
jle .sort1
|
|
xchg eax,ebx
|
|
shufps xmm4,xmm4,11100001b
|
|
movaps xmm6,xmm0
|
|
movaps xmm0,xmm1
|
|
movaps xmm1,xmm6
|
|
|
|
.sort1:
|
|
cmp bx,cx
|
|
jle .sort2
|
|
xchg ebx,ecx
|
|
shufps xmm4,xmm4,11011000b
|
|
movaps xmm6,xmm1
|
|
movaps xmm1,xmm2
|
|
movaps xmm2,xmm6
|
|
|
|
jmp .sort3
|
|
|
|
.sort2:
|
|
|
|
movaps .z1,xmm4
|
|
mov .y1,eax
|
|
mov .y2,ebx
|
|
mov .y3,ecx
|
|
|
|
movdqa .y_min,xmm5
|
|
if 1 ; check if at last only fragment
|
|
packssdw xmm5,xmm5 ; of triangle is in visable area
|
|
pshuflw xmm5,xmm5,11011000b
|
|
movdqu xmm7,.y3
|
|
movdqa xmm6,xmm5
|
|
pshufd xmm5,xmm5,0 ; xmm5 lo-hi -> broadcasted y_min, x_min
|
|
pshufd xmm6,xmm6,01010101b ;xmm6 -> brd y_max x_max
|
|
movdqa xmm4,xmm7
|
|
pcmpgtw xmm7,xmm5
|
|
pcmpgtw xmm4,xmm6
|
|
pxor xmm7,xmm4
|
|
pmovmskb eax,xmm7
|
|
and eax,0x00aaaaaa
|
|
or eax,eax
|
|
jz .rpt_loop2_end
|
|
end if
|
|
movd .tri_no,mm7
|
|
movaps .1_nv,xmm0
|
|
movaps .2_nv,xmm1
|
|
movaps .3_nv,xmm2
|
|
; movaps .l_v,xmm3
|
|
mov .Zbuf,esi
|
|
mov .screen,edi
|
|
|
|
|
|
|
|
mov bx,.y2 ; calc deltas
|
|
sub bx,.y1
|
|
jnz .rpt_dx12_make
|
|
|
|
xorps xmm7,xmm7
|
|
mov dword .dx12,0
|
|
mov dword .dz12,0
|
|
movaps .dn12,xmm7
|
|
jmp .rpt_dx12_done
|
|
|
|
.rpt_dx12_make:
|
|
mov ax,.x2
|
|
sub ax,.x1
|
|
cwde
|
|
movsx ebx,bx
|
|
shl eax,ROUND2
|
|
cdq
|
|
idiv ebx
|
|
mov .dx12,eax
|
|
|
|
cvtsi2ss xmm6,ebx
|
|
movss xmm5,.z2
|
|
rcpss xmm6,xmm6
|
|
subss xmm5,.z1
|
|
mulss xmm5,xmm6
|
|
movss .dz12,xmm5
|
|
|
|
shufps xmm6,xmm6,0
|
|
movaps xmm0,.2_nv
|
|
subps xmm0,.1_nv
|
|
mulps xmm0,xmm6
|
|
movaps .dn12,xmm0
|
|
; subps xmm3,xmm0
|
|
; mulps xmm3,xmm6
|
|
|
|
.rpt_dx12_done:
|
|
mov bx,.y3 ; calc deltas
|
|
sub bx,.y1
|
|
jnz .rpt_dx13_make
|
|
|
|
xorps xmm7,xmm7
|
|
mov dword .dx13,0
|
|
mov dword .dz13,0
|
|
movaps .dn13,xmm7
|
|
jmp .rpt_dx13_done
|
|
|
|
.rpt_dx13_make:
|
|
mov ax,.x3
|
|
sub ax,.x1
|
|
cwde
|
|
movsx ebx,bx
|
|
shl eax,ROUND2
|
|
cdq
|
|
idiv ebx
|
|
mov .dx13,eax
|
|
|
|
cvtsi2ss xmm6,ebx
|
|
movss xmm5,.z3
|
|
rcpss xmm6,xmm6
|
|
subss xmm5,.z1
|
|
mulss xmm5,xmm6
|
|
movss .dz13,xmm5
|
|
|
|
movaps xmm0,.3_nv
|
|
subps xmm0,.1_nv
|
|
shufps xmm6,xmm6,0
|
|
mulps xmm0,xmm6
|
|
movaps .dn13,xmm0
|
|
|
|
; mulps xmm0,xmm6
|
|
|
|
.rpt_dx13_done:
|
|
|
|
mov bx,.y3 ; calc deltas
|
|
sub bx,.y2
|
|
jnz .rpt_dx23_make
|
|
|
|
xorps xmm7,xmm7
|
|
mov dword .dx23,0
|
|
mov dword .dz23,0
|
|
movaps .dn23,xmm7
|
|
|
|
jmp .rpt_dx23_done
|
|
|
|
.rpt_dx23_make:
|
|
mov ax,.x3
|
|
sub ax,.x2
|
|
cwde
|
|
movsx ebx,bx
|
|
shl eax,ROUND2
|
|
cdq
|
|
idiv ebx
|
|
mov .dx23,eax
|
|
|
|
cvtsi2ss xmm6,ebx
|
|
movss xmm5,.z3
|
|
rcpss xmm6,xmm6
|
|
subss xmm5,.z2
|
|
mulss xmm5,xmm6
|
|
movss .dz23,xmm5
|
|
|
|
movaps xmm0,.3_nv
|
|
subps xmm0,.2_nv
|
|
shufps xmm6,xmm6,0
|
|
mulps xmm0,xmm6
|
|
movaps .dn23,xmm0
|
|
; mulps xmm0,xmm6
|
|
|
|
.rpt_dx23_done:
|
|
|
|
movsx eax,word .x1
|
|
shl eax,ROUND2
|
|
mov ebx,eax
|
|
mov ecx,.z1
|
|
mov .cz1,ecx
|
|
mov .cz2,ecx
|
|
movaps xmm0,.1_nv
|
|
movaps .cnv1,xmm0
|
|
movaps .cnv2,xmm0
|
|
mov edi,.screen
|
|
mov esi,.Zbuf
|
|
movsx ecx,word .y1
|
|
cmp cx,.y2
|
|
|
|
jge .rpt_loop1_end
|
|
|
|
.rpt_loop1:
|
|
pushad
|
|
|
|
movaps xmm2,.y_min
|
|
movaps xmm0,.cnv1
|
|
movaps xmm1,.cnv2
|
|
movlps xmm3,.cz1
|
|
; movaps xmm4,.l_v
|
|
sar ebx,ROUND2
|
|
sar eax,ROUND2
|
|
movd mm7,.tri_no
|
|
|
|
call ray_shd_l
|
|
|
|
popad
|
|
movaps xmm0,.cnv1
|
|
movaps xmm1,.cnv2
|
|
; fur x,y
|
|
movss xmm2,.cz1
|
|
movss xmm3,.cz2
|
|
shufps xmm4,xmm4,01001110b
|
|
addps xmm0,.dn13
|
|
addps xmm1,.dn12
|
|
addss xmm2,.dz13
|
|
addss xmm3,.dz12
|
|
|
|
|
|
add eax,.dx13
|
|
add ebx,.dx12
|
|
|
|
shufps xmm4,xmm4,01001110b
|
|
movaps .cnv1,xmm0
|
|
movaps .cnv2,xmm1
|
|
movss .cz1,xmm2
|
|
movss .cz2,xmm3
|
|
|
|
add ecx,1
|
|
cmp cx,.y2
|
|
jl .rpt_loop1
|
|
|
|
|
|
.rpt_loop1_end:
|
|
movsx ecx,word .y2
|
|
cmp cx,.y3
|
|
jge .rpt_loop2_end
|
|
|
|
movsx ebx,word .x2 ; eax - cur x1
|
|
shl ebx,ROUND2 ; ebx - cur x2
|
|
push dword .z2
|
|
pop dword .cz2
|
|
movaps xmm0,.2_nv
|
|
movaps .cnv2,xmm0
|
|
|
|
mov edi,.screen
|
|
mov esi,.Zbuf
|
|
|
|
|
|
.rpt_loop2:
|
|
pushad
|
|
movaps xmm2,.y_min
|
|
movaps xmm0,.cnv1
|
|
movaps xmm1,.cnv2
|
|
movlps xmm3,.cz1
|
|
; movaps xmm4,.l_v
|
|
sar ebx,ROUND2
|
|
sar eax,ROUND2
|
|
movd mm7,.tri_no
|
|
|
|
call ray_shd_l
|
|
|
|
popad
|
|
movaps xmm0,.cnv1
|
|
movaps xmm1,.cnv2
|
|
movss xmm2,.cz1
|
|
movss xmm3,.cz2
|
|
|
|
addps xmm0,.dn13
|
|
addps xmm1,.dn23
|
|
addss xmm2,.dz13
|
|
addss xmm3,.dz23
|
|
add eax,.dx13
|
|
add ebx,.dx23
|
|
addps xmm4,xmm6
|
|
|
|
movaps .cnv1,xmm0
|
|
movaps .cnv2,xmm1
|
|
movss .cz1,xmm2
|
|
movss .cz2,xmm3
|
|
|
|
add ecx,1
|
|
cmp cx,.y3
|
|
jl .rpt_loop2
|
|
|
|
.rpt_loop2_end:
|
|
|
|
add esp,1024
|
|
pop ebp
|
|
|
|
|
|
|
|
ret
|
|
|
|
ray_shd_l:
|
|
; in:
|
|
; xmm0 - normal vector 1
|
|
; xmm1 - normal vect 2
|
|
; xmm3 - lo -> hi z1, z2 coords as dwords floats
|
|
; xmm2 - lo -> hi y_min, y_max, x_min, x_max
|
|
; as dword integers
|
|
; xmm4 - ----
|
|
; mm7 - current triangle index
|
|
; eax - x1
|
|
; ebx - x2
|
|
; ecx - y
|
|
; edx - -----
|
|
; edi - screen buffer
|
|
; esi - z buffer / stencil buffer filled with dd floats
|
|
|
|
push ebp
|
|
mov ebp,esp
|
|
sub esp,320
|
|
sub ebp,16
|
|
and ebp,0xfffffff0
|
|
|
|
.n1 equ [ebp-16]
|
|
.n2 equ [ebp-32]
|
|
.lv equ [ebp-48]
|
|
.lx1 equ [ebp-52]
|
|
.lx2 equ [ebp-56]
|
|
.z2 equ [ebp-60]
|
|
.z1 equ [ebp-64]
|
|
.screen equ [ebp-68]
|
|
.zbuff equ [ebp-72]
|
|
.x_max equ [ebp-74]
|
|
.x_min equ [ebp-76]
|
|
.y_max equ [ebp-78]
|
|
.y_min equ [ebp-80]
|
|
.dn equ [ebp-96]
|
|
.dz equ [ebp-100]
|
|
.y equ [ebp-104]
|
|
.startx equ [ebp-108]
|
|
.cnv equ [ebp-128]
|
|
.Rlen equ [ebp-128-16]
|
|
.r1 equ [ebp-128-32]
|
|
.vect_t equ [ebp-128-48]
|
|
.cur_tri equ [ebp-128-64]
|
|
; .p3t equ [ebp-128-80]
|
|
.nray equ [ebp-128-96]
|
|
.final_col equ [ebp-128-112]
|
|
.aabb_mask equ dword[ebp-128-112-4]
|
|
|
|
mov .y,ecx
|
|
movdqa xmm4,xmm2
|
|
packssdw xmm2,xmm2
|
|
movq .y_min,xmm2
|
|
cmp cx,.y_min
|
|
jl .end_rp_line
|
|
cmp cx,.y_max
|
|
jge .end_rp_line ;
|
|
cmp eax,ebx
|
|
je .end_rp_line
|
|
jl @f
|
|
xchg eax,ebx
|
|
movaps xmm7,xmm0
|
|
movaps xmm0,xmm1
|
|
movaps xmm1,xmm7
|
|
shufps xmm3,xmm3,11100001b
|
|
@@:
|
|
movd .cur_tri,mm7
|
|
cmp ax,.x_max
|
|
jge .end_rp_line
|
|
cmp bx,.x_min
|
|
jle .end_rp_line
|
|
; movaps .lv,xmm4
|
|
andps xmm0,[zero_hgst_dd]
|
|
andps xmm1,[zero_hgst_dd]
|
|
movaps .n1,xmm0
|
|
movaps .n2,xmm1
|
|
mov .lx1,eax
|
|
; mov .startx,eax
|
|
mov .lx2,ebx
|
|
movlps .z1,xmm3
|
|
|
|
sub ebx,eax
|
|
cvtsi2ss xmm7,ebx
|
|
rcpss xmm7,xmm7
|
|
shufps xmm7,xmm7,0
|
|
subps xmm1,xmm0
|
|
mulps xmm1,xmm7
|
|
movaps .dn,xmm1
|
|
shufps xmm3,xmm3,11111001b
|
|
subss xmm3,.z1
|
|
mulss xmm3,xmm7
|
|
movss .dz,xmm3
|
|
|
|
subps xmm6,xmm5
|
|
mulps xmm6,xmm7
|
|
|
|
mov ebx,.lx1
|
|
cmp bx,.x_min ; clipping on function4
|
|
jge @f
|
|
movzx eax,word .x_min
|
|
sub eax,ebx
|
|
cvtsi2ss xmm7,eax
|
|
shufps xmm7,xmm7,0
|
|
mulss xmm3,xmm7
|
|
mulps xmm1,xmm7
|
|
mulps xmm6,xmm7
|
|
addss xmm3,.z1
|
|
addps xmm1,.n1
|
|
addps xmm6,xmm5
|
|
movsx eax,word .x_min
|
|
movss .z1,xmm3
|
|
movaps .n1,xmm1
|
|
mov dword .lx1,eax
|
|
@@:
|
|
|
|
movzx eax,word .x_max
|
|
cmp .lx2,eax
|
|
jl @f
|
|
mov .lx2,eax
|
|
@@:
|
|
movzx eax,word[xres_var]
|
|
mul dword .y
|
|
add eax,.lx1
|
|
mov .zbuff,esi
|
|
mov .screen,edi
|
|
shl eax,2
|
|
add edi,eax
|
|
add esi,eax
|
|
mov ecx,.lx2
|
|
sub ecx,.lx1
|
|
|
|
movd xmm0,[vect_x]
|
|
punpcklwd xmm0,[the_zero]
|
|
cvtdq2ps xmm0,xmm0
|
|
movaps .vect_t,xmm0
|
|
|
|
|
|
.ddraw:
|
|
|
|
xorps xmm0,xmm0
|
|
movss xmm2,.z1
|
|
movss xmm5,.z1
|
|
movaps .final_col,xmm0
|
|
addss xmm2,[f1]
|
|
subss xmm5,[f1]
|
|
cmpnltss xmm2,dword[esi]
|
|
cmpnltss xmm5,dword[esi]
|
|
pxor xmm2,xmm5
|
|
movd eax,xmm2
|
|
or eax,eax
|
|
jz .skips
|
|
|
|
movaps xmm7,.n1
|
|
andps xmm7,[zero_hgst_dd]
|
|
mulps xmm7,xmm7 ; normalize
|
|
haddps xmm7,xmm7
|
|
haddps xmm7,xmm7
|
|
rsqrtps xmm7,xmm7
|
|
mulps xmm7,.n1
|
|
movaps .cnv,xmm7
|
|
mov ebx,point_light_coords
|
|
mov edx,lights_aligned
|
|
xor eax,eax
|
|
.nx_light:
|
|
pushad
|
|
cvtsi2ss xmm0,.lx1
|
|
cvtsi2ss xmm1,.y
|
|
movss xmm2,.z1
|
|
movlhps xmm0,xmm1
|
|
shufps xmm0,xmm2,11001000b
|
|
subps xmm0,[ebx] ; xmm0 - ray end, -> current vertex
|
|
movaps xmm3,[ebx]
|
|
andps xmm0,[zero_hgst_dd]
|
|
movaps xmm1,xmm0
|
|
mulps xmm0,xmm0
|
|
haddps xmm0,xmm0
|
|
haddps xmm0,xmm0
|
|
sqrtps xmm0,xmm0
|
|
movss .Rlen,xmm0
|
|
rcpps xmm0,xmm0
|
|
mulps xmm0,xmm1 ; xmm0 - normalized ray vector
|
|
andps xmm0,[zero_hgst_dd]
|
|
movaps .nray,xmm0
|
|
movaps .r1,xmm3 ; ray orgin
|
|
if 0
|
|
movaps xmm1,xmm3
|
|
call calc_bounding_box
|
|
|
|
mov .aabb_mask,eax
|
|
end if
|
|
mov edi,[triangles_ptr]
|
|
xor ecx,ecx
|
|
.nx_tri: ; next triangle
|
|
; mov eax,.lx1
|
|
; cmp eax,.startx
|
|
; je @f ; prevent artifact borders on tri
|
|
; cmp eax,.lx2 ; NOT work as I want !!
|
|
; je @f
|
|
|
|
cmp ecx,.cur_tri ; prevent self shadowing
|
|
je .skipp
|
|
@@:
|
|
if 0
|
|
mov edi,ecx
|
|
imul edi,[i12]
|
|
add edi,[triangles_ptr]
|
|
mov eax,[edi]
|
|
mov ebx,[edi+4]
|
|
mov edx,[edi+8]
|
|
imul eax,[i12]
|
|
imul ebx,[i12]
|
|
imul edx,[i12]
|
|
add eax,[points_ptr]
|
|
add ebx,[points_ptr]
|
|
add edx,[points_ptr]
|
|
movups xmm2,[eax]
|
|
movups xmm3,[ebx]
|
|
movups xmm4,[edx]
|
|
andps xmm2,[sign_mask]
|
|
andps xmm3,[sign_mask]
|
|
andps xmm4,[sign_mask]
|
|
movmskps ebx,xmm4
|
|
cmpeqps xmm2,xmm3
|
|
cmpeqps xmm3,xmm4
|
|
andps xmm2,xmm3
|
|
movmskps eax,xmm2
|
|
and eax,111b
|
|
and ebx,111b
|
|
cmp eax,111b
|
|
jne @f
|
|
bt .aabb_mask,ebx
|
|
jnc .skipp
|
|
@@:
|
|
end if
|
|
mov edi,ecx
|
|
imul edi,[i12]
|
|
add edi,[triangles_ptr]
|
|
mov eax,[edi]
|
|
mov ebx,[edi+4]
|
|
mov edx,[edi+8]
|
|
imul eax,[i12]
|
|
imul ebx,[i12]
|
|
imul edx,[i12]
|
|
add eax,[points_rotated_ptr]
|
|
add ebx,[points_rotated_ptr]
|
|
add edx,[points_rotated_ptr]
|
|
movups xmm2,[eax]
|
|
movups xmm3,[ebx]
|
|
movups xmm4,[edx]
|
|
addps xmm2,.vect_t
|
|
addps xmm3,.vect_t
|
|
addps xmm4,.vect_t
|
|
|
|
|
|
;intersect_tri: procs header
|
|
; in:
|
|
; xmm0 - ray direction ; should be normalized
|
|
; xmm1 - ray orgin
|
|
; xmm2 - tri vert1
|
|
; xmm3 - tri vert2
|
|
; xmm4 - tri vert3
|
|
; if eax = 1 - intersction with edge
|
|
; xmm6 - edge lenght
|
|
; if eax = 0 - intersect with ray (classic)
|
|
; out:
|
|
; eax = 1 - intersection occured
|
|
; xmm0 - float lo -> hi = t, v, u, ...
|
|
|
|
movss xmm6,.Rlen
|
|
movaps xmm0,.nray
|
|
movaps xmm1,.r1
|
|
subss xmm6,[the_one]
|
|
mov eax,1
|
|
push ecx
|
|
call intersect_tri
|
|
pop ecx
|
|
cmp eax,1
|
|
je .inter
|
|
.skipp:
|
|
.skp:
|
|
inc ecx
|
|
cmp ecx,[triangles_count_var]
|
|
jnz .nx_tri
|
|
; jz .do_process
|
|
; comiss xmm0,.Rlen
|
|
; jl .inter
|
|
|
|
popad
|
|
.do_process:
|
|
movaps xmm5,.nray ;[edx]
|
|
andps xmm5,[zero_hgst_dd] ; global
|
|
mulps xmm5,.cnv ;.lv ; last dword should be zeroed
|
|
; andps xmm5,[sign_z] ; global
|
|
haddps xmm5,xmm5
|
|
haddps xmm5,xmm5
|
|
andps xmm5,[abs_mask] ; global
|
|
movaps xmm7,xmm5
|
|
mulps xmm7,xmm7
|
|
mulps xmm7,xmm7
|
|
mulps xmm5,[edx+16]
|
|
mulps xmm7,xmm7
|
|
mulps xmm7,xmm7
|
|
mulps xmm7,[edx+48]
|
|
addps xmm5,xmm7
|
|
minps xmm5,[mask_255f] ; global
|
|
maxps xmm5,.final_col ; addps maxps
|
|
movaps .final_col,xmm5
|
|
jmp .nx_loop
|
|
.inter:
|
|
|
|
popad
|
|
.nx_loop:
|
|
; add edx,64 ; unncomment to achive 3 lights
|
|
; add ebx,16
|
|
; cmp edx,lights_aligned_end ; global
|
|
; jnz .nx_light
|
|
|
|
movaps xmm1,.final_col
|
|
cvtps2dq xmm1,xmm1
|
|
packssdw xmm1,xmm1
|
|
packuswb xmm1,xmm1
|
|
movd [edi],xmm1
|
|
.skips:
|
|
movaps xmm0,.n1
|
|
movss xmm2,.z1
|
|
add edi,4
|
|
add esi,4
|
|
add dword .lx1,1
|
|
addps xmm0,.dn
|
|
addss xmm2,.dz
|
|
movaps .n1,xmm0
|
|
movss .z1,xmm2
|
|
dec ecx
|
|
jnz .ddraw
|
|
.end_rp_line:
|
|
add esp,320
|
|
pop ebp
|
|
|
|
ret
|