forked from KolibriOS/kolibrios
view3ds 0073 by macgub
git-svn-id: svn://kolibrios.org@8719 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
1c24cac315
commit
73122f1cb1
File diff suppressed because it is too large
Load Diff
@ -1,327 +1,329 @@
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ROUND2 equ 10
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stencil_tri:
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; procedure calculate triangle in stencil buffer
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; ----------------in - eax - x1 shl 16 + y1 ----------------------
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; -------------------- ebx - x2 shl 16 + y2 ----------------------
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; -------------------- ecx - x3 shl 16 + y3 ----------------------
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; -------------------- esi - pointer to s-buffer -----------------
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; -------------------- xmm0 - lo -> hi z1, z2, z3 as dword float
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.x1 equ [ebp-2]
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.y1 equ [ebp-4]
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.x2 equ [ebp-6]
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.y2 equ [ebp-8]
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.x3 equ [ebp-10]
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.y3 equ [ebp-12]
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.dx12 equ dword[ebp-20]
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.dx13 equ dword[ebp-24]
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.dx23 equ dword[ebp-28]
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.dz12 equ dword[ebp-32]
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.dz13 equ dword[ebp-36]
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.dz23 equ dword[ebp-40]
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.zz2 equ [ebp-44]
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.zz1 equ [ebp-48]
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.z3 equ [ebp-56]
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.z2 equ [ebp-60]
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.z1 equ [ebp-64]
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.s_buff equ [ebp-68]
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push ebp
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mov ebp,esp
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sub esp,128
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and ebp,0xfffffff0
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.sort2:
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cmp ax,bx
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jle .sort1
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xchg eax,ebx
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shufps xmm0,xmm0,11100001b
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.sort1:
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cmp bx,cx
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jle .sort3
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xchg ebx,ecx
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shufps xmm0,xmm0,11011000b
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jmp .sort2
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.sort3:
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mov .y1,eax ; store triangle coordinates in user friendly variables
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mov .y2,ebx
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mov .y3,ecx
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; mov edx,100.11
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; movd xmm0,edx
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; shufps xmm0,xmm0,11100000b
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movaps .z1,xmm0
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; mov dword .z1,edx
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; mov .z2,edx
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; mov .z3,edx
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mov .s_buff,esi
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mov edx,80008000h ; eax,ebx,ecx are ANDd together into edx which means that
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and edx,ebx ; if *all* of them are negative a sign flag is raised
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and edx,ecx
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and edx,eax
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test edx,80008000h ; Check both X&Y at once
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jne .loop2_end
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mov bx,.y2 ; calc delta 12
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sub bx,.y1
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jnz .dx12_make
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mov .dx12,0
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mov .dz12,0
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jmp .dx12_done
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.dx12_make:
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mov ax,.x2
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sub ax,.x1
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx12,eax
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movss xmm1,.z2
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cvtsi2ss xmm2,ebx
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subss xmm1,.z1
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divss xmm1,xmm2
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movss .dz12,xmm1
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; mov .dz12, dword 0.11
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.dx12_done:
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mov bx,.y3 ; calc delta 13
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sub bx,.y1
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jnz .dx13_make
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mov .dx13,0
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mov .dz13,0
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jmp .dx13_done
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.dx13_make:
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mov ax,.x3
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sub ax,.x1
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx13,eax
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movss xmm1,.z3
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cvtsi2ss xmm2,ebx
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subss xmm1,.z1
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divss xmm1,xmm2
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movss .dz13,xmm1
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; mov .dz13, dword 0.11
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.dx13_done:
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mov bx,.y3 ; calc delta 23
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sub bx,.y2
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jnz .dx23_make
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mov .dx23,0
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mov .dz23,0
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jmp .dx23_done
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.dx23_make:
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mov ax,.x3
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sub ax,.x2
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx23,eax
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movss xmm1,.z3
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cvtsi2ss xmm2,ebx
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subss xmm1,.z2
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divss xmm1,xmm2
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movss .dz23,xmm1
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.dx23_done:
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mov edx,.z1
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mov .zz1,edx
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mov .zz2,edx
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movsx eax,word .x1
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shl eax,ROUND2 ; eax - cur x1
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mov ebx,eax ; ebx - cur x2
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mov cx,.y1
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cmp cx,.y2
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jge .loop1_end
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.loop1:
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pushad
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sar ebx,ROUND2
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sar eax,ROUND2
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; movq xmm0,.zz1
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movlps xmm0,.zz1
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; mov edx,0.11
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; movd xmm0,edx
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; shufps xmm0,xmm0,11100000b
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mov esi,.s_buff
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call stencil_line
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popad
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add eax,.dx13
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add ebx,.dx12
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movss xmm1,.zz1
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movss xmm2,.zz2
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addss xmm1,.dz13
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addss xmm2,.dz12
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movss .zz1,xmm1
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movss .zz2,xmm2
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add cx,1
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cmp cx,.y2
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jl .loop1
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.loop1_end:
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mov edx,.z2
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mov .zz2,edx
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movsx ebx,word .x2
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shl ebx,ROUND2
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mov cx,.y2
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cmp cx,.y3
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jge .loop2_end
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.loop2:
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pushad
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sar ebx,ROUND2
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sar eax,ROUND2
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movlps xmm0,.zz1
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mov esi,.s_buff
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call stencil_line
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popad
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add eax,.dx13
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add ebx,.dx23
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movss xmm1,.zz1
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movss xmm2,.zz2
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addss xmm1,.dz13
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addss xmm2,.dz23
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movss .zz1,xmm1
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movss .zz2,xmm2
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add cx,1
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cmp cx,.y3
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jl .loop2
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.loop2_end:
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add esp,128
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pop ebp
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ret
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stencil_line:
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;----------------------------------------------------
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;-------------in xmm0 - lo -> hi z1, z2
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;--------------- eax - x1 ---------------------------
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;--------------- ebx - x2 ---------------------------
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;--------------- ecx - y-----------------------------
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;--------------- esi - pointer to s-buffer
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.dz equ [ebp-4]
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.z2 equ [ebp-8]
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.z1 equ [ebp-12]
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.x2 equ [ebp-16]
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.x1 equ [ebp-20]
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.s_buf equ [ebp-24]
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; cmp eax,ebx
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; je @f
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; int3
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; @@:
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push ebp
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mov ebp,esp
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sub esp,64
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; cmp eax,0
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; jg @f
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;
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; @@:
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or cx,cx
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jle .l_quit
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cmp cx,[size_y_var]
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jge .l_quit
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movzx ecx,cx
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mov .s_buf,esi
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cmp eax,ebx
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je .l_quit
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jl .l_ok
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xchg eax,ebx
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shufps xmm0,xmm0,11100001b
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.l_ok:
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cmp ax,[size_x_var]
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jge .l_quit
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cmp bx,0
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jle .l_quit
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movlps .z1,xmm0
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mov .x1,eax
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mov .x2,ebx
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sub ebx,eax
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movss xmm0,.z2
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cvtsi2ss xmm1,ebx
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subss xmm0,.z1
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divss xmm0,xmm1
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movss .dz,xmm0
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movzx edx,word[size_x_var]
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cmp eax,1
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jge @f
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mov eax,.x1
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neg eax
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cvtsi2ss xmm2,eax
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mulss xmm2,.dz
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addss xmm2,.z1
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movss .z1,xmm2
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mov dword .x1,0
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movzx edx,word[size_x_var]
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sub edx,1
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@@:
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cmp .x2,edx
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jl @f
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mov .x2,edx
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@@:
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; mov eax,.x1
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; cmp .x2,eax
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; je .l_quit
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movzx edx,word[size_x_var]
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mov esi,.s_buf
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mov eax,ecx ; y
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mul edx
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add eax,.x1
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shl eax,2
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add esi,eax
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mov ecx,.x2
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sub ecx,.x1
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movss xmm2,.z1 ; cz
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.ccalc:
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; movss xmm1,xmm2
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comiss xmm2,dword[esi]
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jg @f
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movss dword[esi],xmm2
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@@:
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add esi,4
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addss xmm2,.dz
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sub ecx,1
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jnz .ccalc
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.l_quit:
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mov esp,ebp
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pop ebp
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ret
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ROUND2 equ 10
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stencil_tri:
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; procedure calculate triangle in stencil buffer
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; ----------------in - eax - x1 shl 16 + y1 ----------------------
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; -------------------- ebx - x2 shl 16 + y2 ----------------------
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; -------------------- ecx - x3 shl 16 + y3 ----------------------
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; -------------------- esi - pointer to s-buffer -----------------
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; -------------------- xmm0 - lo -> hi z1, z2, z3 as dword float
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.x1 equ [ebp-2]
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.y1 equ [ebp-4]
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.x2 equ [ebp-6]
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.y2 equ [ebp-8]
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.x3 equ [ebp-10]
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.y3 equ [ebp-12]
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.dx12 equ dword[ebp-20]
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.dx13 equ dword[ebp-24]
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.dx23 equ dword[ebp-28]
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.dz12 equ dword[ebp-32]
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.dz13 equ dword[ebp-36]
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.dz23 equ dword[ebp-40]
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.zz2 equ [ebp-44]
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.zz1 equ [ebp-48]
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.z3 equ [ebp-56]
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.z2 equ [ebp-60]
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.z1 equ [ebp-64]
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.s_buff equ [ebp-68]
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push ebp
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mov ebp,esp
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sub esp,128
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and ebp,0xfffffff0
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.sort2:
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cmp ax,bx
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jle .sort1
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xchg eax,ebx
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shufps xmm0,xmm0,11100001b
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.sort1:
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cmp bx,cx
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jle .sort3
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xchg ebx,ecx
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shufps xmm0,xmm0,11011000b
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jmp .sort2
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.sort3:
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mov .y1,eax ; store triangle coordinates in user friendly variables
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mov .y2,ebx
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mov .y3,ecx
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; mov edx,100.11
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; movd xmm0,edx
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; shufps xmm0,xmm0,11100000b
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movaps .z1,xmm0
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; mov dword .z1,edx
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; mov .z2,edx
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; mov .z3,edx
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mov .s_buff,esi
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mov edx,80008000h ; eax,ebx,ecx are ANDd together into edx which means that
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and edx,ebx ; if *all* of them are negative a sign flag is raised
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and edx,ecx
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and edx,eax
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test edx,80008000h ; Check both X&Y at once
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jne .loop2_end
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mov bx,.y2 ; calc delta 12
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sub bx,.y1
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jnz .dx12_make
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mov .dx12,0
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mov .dz12,0
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jmp .dx12_done
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.dx12_make:
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mov ax,.x2
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sub ax,.x1
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx12,eax
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movss xmm1,.z2
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cvtsi2ss xmm2,ebx
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subss xmm1,.z1
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divss xmm1,xmm2
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movss .dz12,xmm1
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; mov .dz12, dword 0.11
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.dx12_done:
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mov bx,.y3 ; calc delta 13
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sub bx,.y1
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jnz .dx13_make
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mov .dx13,0
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mov .dz13,0
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jmp .dx13_done
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.dx13_make:
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mov ax,.x3
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sub ax,.x1
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx13,eax
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movss xmm1,.z3
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cvtsi2ss xmm2,ebx
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subss xmm1,.z1
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divss xmm1,xmm2
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movss .dz13,xmm1
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; mov .dz13, dword 0.11
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.dx13_done:
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mov bx,.y3 ; calc delta 23
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sub bx,.y2
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jnz .dx23_make
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mov .dx23,0
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mov .dz23,0
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jmp .dx23_done
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.dx23_make:
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mov ax,.x3
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sub ax,.x2
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cwde
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movsx ebx,bx
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shl eax,ROUND2
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cdq
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idiv ebx
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mov .dx23,eax
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movss xmm1,.z3
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cvtsi2ss xmm2,ebx
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subss xmm1,.z2
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divss xmm1,xmm2
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movss .dz23,xmm1
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.dx23_done:
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mov edx,.z1
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mov .zz1,edx
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mov .zz2,edx
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movsx eax,word .x1
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shl eax,ROUND2 ; eax - cur x1
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mov ebx,eax ; ebx - cur x2
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mov cx,.y1
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cmp cx,.y2
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jge .loop1_end
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.loop1:
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pushad
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sar ebx,ROUND2
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sar eax,ROUND2
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; movq xmm0,.zz1
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movlps xmm0,.zz1
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; mov edx,0.11
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; movd xmm0,edx
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; shufps xmm0,xmm0,11100000b
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mov esi,.s_buff
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call stencil_line
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popad
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add eax,.dx13
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add ebx,.dx12
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movss xmm1,.zz1
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movss xmm2,.zz2
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addss xmm1,.dz13
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addss xmm2,.dz12
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movss .zz1,xmm1
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movss .zz2,xmm2
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add cx,1
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cmp cx,.y2
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jl .loop1
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.loop1_end:
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mov edx,.z2
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mov .zz2,edx
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movsx ebx,word .x2
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shl ebx,ROUND2
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mov cx,.y2
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cmp cx,.y3
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jge .loop2_end
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.loop2:
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pushad
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sar ebx,ROUND2
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sar eax,ROUND2
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movlps xmm0,.zz1
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mov esi,.s_buff
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call stencil_line
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popad
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add eax,.dx13
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add ebx,.dx23
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movss xmm1,.zz1
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movss xmm2,.zz2
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addss xmm1,.dz13
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addss xmm2,.dz23
|
||||
movss .zz1,xmm1
|
||||
movss .zz2,xmm2
|
||||
|
||||
|
||||
add cx,1
|
||||
cmp cx,.y3
|
||||
jl .loop2
|
||||
.loop2_end:
|
||||
|
||||
add esp,128
|
||||
pop ebp
|
||||
|
||||
ret
|
||||
|
||||
stencil_line:
|
||||
;----------------------------------------------------
|
||||
;-------------in xmm0 - lo -> hi z1, z2
|
||||
;--------------- eax - x1 ---------------------------
|
||||
;--------------- ebx - x2 ---------------------------
|
||||
;--------------- ecx - y-----------------------------
|
||||
;--------------- esi - pointer to s-buffer
|
||||
|
||||
|
||||
.dz equ [ebp-4]
|
||||
.z2 equ [ebp-8]
|
||||
.z1 equ [ebp-12]
|
||||
.x2 equ [ebp-16]
|
||||
.x1 equ [ebp-20]
|
||||
.s_buf equ [ebp-24]
|
||||
; cmp eax,ebx
|
||||
; je @f
|
||||
; int3
|
||||
; @@:
|
||||
push ebp
|
||||
mov ebp,esp
|
||||
sub esp,64
|
||||
; cmp eax,0
|
||||
; jg @f
|
||||
;
|
||||
; @@:
|
||||
or cx,cx
|
||||
jle .l_quit
|
||||
|
||||
cmp cx,[size_y_var]
|
||||
jge .l_quit
|
||||
|
||||
movzx ecx,cx
|
||||
mov .s_buf,esi
|
||||
cmp eax,ebx
|
||||
je .l_quit
|
||||
jl .l_ok
|
||||
|
||||
xchg eax,ebx
|
||||
shufps xmm0,xmm0,11100001b
|
||||
.l_ok:
|
||||
|
||||
cmp ax,[size_x_var]
|
||||
jge .l_quit
|
||||
cmp bx,0
|
||||
jle .l_quit
|
||||
|
||||
movlps .z1,xmm0
|
||||
mov .x1,eax
|
||||
mov .x2,ebx
|
||||
|
||||
sub ebx,eax
|
||||
movss xmm0,.z2
|
||||
cvtsi2ss xmm1,ebx
|
||||
subss xmm0,.z1
|
||||
divss xmm0,xmm1
|
||||
movss .dz,xmm0
|
||||
|
||||
movzx edx,word[size_x_var]
|
||||
cmp eax,1
|
||||
jge @f
|
||||
mov eax,.x1
|
||||
neg eax
|
||||
cvtsi2ss xmm2,eax
|
||||
mulss xmm2,.dz
|
||||
addss xmm2,.z1
|
||||
movss .z1,xmm2
|
||||
mov dword .x1,0
|
||||
movzx edx,word[size_x_var]
|
||||
sub edx,1
|
||||
@@:
|
||||
cmp .x2,edx
|
||||
jl @f
|
||||
mov .x2,edx
|
||||
|
||||
@@:
|
||||
; mov eax,.x1
|
||||
; cmp .x2,eax
|
||||
; je .l_quit
|
||||
movzx edx,word[size_x_var]
|
||||
mov esi,.s_buf
|
||||
mov eax,ecx ; y
|
||||
mul edx
|
||||
add eax,.x1
|
||||
|
||||
shl eax,2
|
||||
add esi,eax
|
||||
|
||||
mov ecx,.x2
|
||||
sub ecx,.x1
|
||||
movss xmm2,.z1 ; cz
|
||||
.ccalc:
|
||||
movss xmm1,xmm2
|
||||
cmpltss xmm1,dword[esi]
|
||||
movd eax,xmm1
|
||||
cmp eax,-1
|
||||
jnz @f
|
||||
movss dword[esi],xmm2
|
||||
@@:
|
||||
add esi,4
|
||||
addss xmm2,.dz
|
||||
sub ecx,1
|
||||
jnz .ccalc
|
||||
.l_quit:
|
||||
mov esp,ebp
|
||||
pop ebp
|
||||
ret
|
||||
|
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -1,643 +1,115 @@
|
||||
;-procedure draws smooth shaded lines (I mean interpolation 24 bit--
|
||||
;-color), with z coord interpolation--------------------------------
|
||||
;-author: Maciej Guba (www.macgub.hekko.pl)-------------------------
|
||||
;-in : -------------------------------------------------------------
|
||||
;----- edi - pointer to screen buffer ------------------------------
|
||||
;----- esi - pointer to Z buffer -----------------------------------
|
||||
;------ constans : SIZE_X, SIZE_Y - screen width and height---------
|
||||
;----------------- ROUND - fixed point shift------------------------
|
||||
;------ other parameters via stack----------------------------------
|
||||
smooth_line:
|
||||
.x1 equ ebp+4
|
||||
.y1 equ ebp+6
|
||||
.z1 equ ebp+8
|
||||
.r1 equ ebp+10
|
||||
.g1 equ ebp+12
|
||||
.b1 equ ebp+14
|
||||
.x2 equ ebp+16
|
||||
.y2 equ ebp+18
|
||||
.z2 equ ebp+20
|
||||
.r2 equ ebp+22
|
||||
.g2 equ ebp+24
|
||||
.b2 equ ebp+26
|
||||
|
||||
|
||||
.line_lenght equ ebp-2
|
||||
.delta equ ebp-6
|
||||
.delta_x equ ebp-10
|
||||
.delta_y equ ebp-14
|
||||
.dr equ ebp-18
|
||||
.dg equ ebp-22
|
||||
.db equ ebp-26
|
||||
.dz equ ebp-30
|
||||
.cr equ ebp-34
|
||||
.cg equ ebp-38
|
||||
.cb equ ebp-42
|
||||
.cz equ ebp-46
|
||||
|
||||
;.line_lenght equ ebp-48
|
||||
.screen equ ebp-52
|
||||
.zbuffer equ ebp-56
|
||||
.ccoord equ ebp-60 ;current coordinate
|
||||
.czbuf equ ebp-64
|
||||
.cscr equ ebp-68
|
||||
.xres equ ebp-72
|
||||
.yres equ ebp-76
|
||||
.xresm1 equ ebp-80
|
||||
.yresm1 equ ebp-84
|
||||
.xresp1 equ ebp-88
|
||||
.yresp1 equ ebp-92
|
||||
.xres3 equ ebp-96
|
||||
.xres4 equ ebp-100
|
||||
|
||||
macro .update_cur_var
|
||||
{
|
||||
if Ext=NON
|
||||
mov ebx,[.dz]
|
||||
add [.cz],ebx
|
||||
mov ebx,[.dr]
|
||||
add [.cr],ebx
|
||||
mov ebx,[.dg]
|
||||
add [.cg],ebx
|
||||
mov ebx,[.db]
|
||||
add [.cb],ebx
|
||||
elseif Ext=MMX
|
||||
movq mm0,[.cz]
|
||||
movq mm1,[.cg]
|
||||
paddd mm0,mm2 ;[.dz]
|
||||
paddd mm1,mm3 ;[.dg]
|
||||
movq [.cz],mm0
|
||||
movq [.cg],mm1
|
||||
elseif Ext >= SSE2
|
||||
; movups xmm1,[.cz]
|
||||
paddd xmm1,xmm0
|
||||
; movups [.cz],xmm1
|
||||
end if
|
||||
}
|
||||
macro .draw_pixel
|
||||
{
|
||||
mov [esi],ebx ; actualize Z buffer
|
||||
if Ext>=SSE2
|
||||
movaps xmm7,xmm1 ;[.cb] ;;xmm1
|
||||
shufps xmm7,xmm7,00111001b
|
||||
psrld xmm7,ROUND
|
||||
packssdw xmm7,xmm7
|
||||
packuswb xmm7,xmm7
|
||||
pand xmm7,xmm6 ;[.mask]
|
||||
movd [edi],xmm7
|
||||
else
|
||||
|
||||
mov eax,[.cb]
|
||||
sar eax,ROUND
|
||||
mov [edi],al
|
||||
; and eax,0x000000ff ; clean unused bits
|
||||
mov ebx,[.cg]
|
||||
sar ebx,ROUND
|
||||
mov [edi+1],bl
|
||||
; mov ah,bl
|
||||
mov edx,[.cr]
|
||||
sar edx,ROUND
|
||||
mov [edi+2],dl
|
||||
end if
|
||||
; shl ebx,16
|
||||
; or eax,ebx
|
||||
; mov [edi],eax
|
||||
}
|
||||
macro .sort
|
||||
{
|
||||
|
||||
if Ext >= MMX
|
||||
movq mm0,[.x1]
|
||||
movq mm1,[.x2]
|
||||
movq [.x1],mm1
|
||||
movq [.x2],mm0
|
||||
else
|
||||
mov edx,[.x1]
|
||||
xchg edx,[.x2]
|
||||
mov [.x1],edx
|
||||
mov edx,[.z1]
|
||||
xchg edx,[.z2]
|
||||
mov [.z1],edx
|
||||
end if
|
||||
mov edx,[.g1]
|
||||
xchg edx,[.g2]
|
||||
mov [.g1],edx
|
||||
}
|
||||
|
||||
|
||||
|
||||
emms
|
||||
mov ebp,esp
|
||||
sub esp,128
|
||||
mov eax,[.x1] ; check if parameters exceedes screen area
|
||||
mov ebx,[.x2]
|
||||
or eax,ebx
|
||||
test eax,80008000h
|
||||
jne .end_line
|
||||
movzx edx,word [size_x_var]
|
||||
mov [.xres],edx
|
||||
dec edx
|
||||
movzx ecx,word [size_y_var]
|
||||
mov [.yres],ecx
|
||||
dec ecx
|
||||
cmp word[.x1],dx ;SIZE_X
|
||||
jg .end_line
|
||||
cmp word[.x2],dx ;SIZE_X
|
||||
jg .end_line
|
||||
cmp word[.y1],cx ;SIZE_Y
|
||||
jg .end_line
|
||||
cmp word[.y2],cx ;SIZE_Y
|
||||
jg .end_line
|
||||
|
||||
mov edx,[.xres]
|
||||
shl edx,2
|
||||
mov [.xres4],edx
|
||||
shr edx,2
|
||||
lea edx,[edx*3]
|
||||
mov [.xres3],edx
|
||||
mov edx,[.xres]
|
||||
mov ecx,[.yres]
|
||||
dec edx
|
||||
dec ecx
|
||||
mov [.xresm1],edx
|
||||
mov [.yresm1],ecx
|
||||
add edx,2
|
||||
add ecx,2
|
||||
mov [.xresp1],edx
|
||||
mov [.yresp1],ecx
|
||||
|
||||
mov [.screen],edi
|
||||
mov cx,[.x1]
|
||||
cmp cx,[.x2]
|
||||
je .vertical_l
|
||||
mov cx,[.y1]
|
||||
cmp cx,[.y2]
|
||||
je .horizontal_l
|
||||
mov ax,[.x1]
|
||||
sub ax,[.x2]
|
||||
cmp ax,0
|
||||
jg @f
|
||||
neg ax ; calc absolute value
|
||||
@@:
|
||||
mov [.delta_x],ax
|
||||
mov bx,[.y1]
|
||||
sub bx,[.y2]
|
||||
cmp bx,0
|
||||
jg @f
|
||||
neg bx
|
||||
@@:
|
||||
mov [.delta_y],bx
|
||||
cmp ax,bx
|
||||
je .deg45_l
|
||||
jl .more_vertical_l
|
||||
jg .more_horizon_l
|
||||
jmp .end_line
|
||||
;
|
||||
.horizontal_l:
|
||||
mov ax,[.x1]
|
||||
mov bx,[.x2]
|
||||
cmp bx,ax
|
||||
jge @f
|
||||
|
||||
.sort
|
||||
@@:
|
||||
|
||||
mov bx,[.x2]
|
||||
sub bx,[.x1]
|
||||
movsx ebx,bx
|
||||
cmp ebx,0 ;line lenght equql 0
|
||||
je .end_line
|
||||
mov [.delta_x],ebx
|
||||
|
||||
call .calc_delta
|
||||
|
||||
mov eax,[.xres] ;SIZE_X
|
||||
movsx ebx,word[.y1]
|
||||
mul ebx
|
||||
add esi,eax
|
||||
lea eax,[eax*3]
|
||||
add esi,eax
|
||||
add edi,eax
|
||||
movsx eax,word[.x1]
|
||||
add esi,eax
|
||||
lea eax,[eax*3]
|
||||
add edi,eax
|
||||
add esi,eax
|
||||
|
||||
mov ecx,[.delta_x]
|
||||
|
||||
movsx ebx,word[.r1]
|
||||
shl ebx,ROUND
|
||||
mov [.cr],ebx
|
||||
movsx ebx,word[.g1]
|
||||
shl ebx,ROUND
|
||||
mov [.cg],ebx
|
||||
movsx ebx,word[.b1]
|
||||
shl ebx,ROUND
|
||||
mov [.cb],ebx
|
||||
movsx ebx,word[.z1]
|
||||
shl ebx,ROUND
|
||||
mov [.cz],ebx
|
||||
if Ext >= SSE2
|
||||
movups xmm1,[.cz]
|
||||
end if
|
||||
.hdraw:
|
||||
if Ext >= SSE2
|
||||
movd ebx,xmm1
|
||||
else
|
||||
mov ebx,[.cz]
|
||||
end if
|
||||
cmp [esi],ebx
|
||||
jle .skip
|
||||
|
||||
.draw_pixel
|
||||
|
||||
.skip:
|
||||
add edi,3
|
||||
add esi,4
|
||||
|
||||
.update_cur_var
|
||||
|
||||
loop .hdraw
|
||||
jmp .end_line
|
||||
|
||||
.vertical_l:
|
||||
mov ax,[.y1]
|
||||
cmp [.y2],ax
|
||||
jge @f
|
||||
|
||||
.sort
|
||||
@@:
|
||||
mov bx,[.y2]
|
||||
sub bx,[.y1]
|
||||
movsx ebx,bx
|
||||
cmp ebx,0
|
||||
je .end_line
|
||||
mov [.delta_y],ebx
|
||||
|
||||
call .calc_delta
|
||||
|
||||
mov eax,[.xres] ;SIZE_X
|
||||
movsx ebx,word[.y1]
|
||||
mul ebx
|
||||
add esi,eax
|
||||
lea eax,[eax*3]
|
||||
add edi,eax
|
||||
add esi,eax
|
||||
movsx eax,word[.x1]
|
||||
add esi,eax
|
||||
lea eax,[eax*3]
|
||||
add esi,eax
|
||||
add edi,eax
|
||||
|
||||
mov ecx,[.delta_y]
|
||||
|
||||
movsx ebx,word[.r1]
|
||||
shl ebx,ROUND
|
||||
mov [.cr],ebx
|
||||
movsx ebx,word[.g1]
|
||||
shl ebx,ROUND
|
||||
mov [.cg],ebx
|
||||
movsx ebx,word[.b1]
|
||||
shl ebx,ROUND
|
||||
mov [.cb],ebx
|
||||
movsx ebx,word[.z1]
|
||||
shl ebx,ROUND
|
||||
mov [.cz],ebx
|
||||
if Ext >= SSE2
|
||||
movups xmm1,[.cz]
|
||||
end if
|
||||
|
||||
.v_draw:
|
||||
if Ext >= SSE2
|
||||
movd ebx,xmm1
|
||||
else
|
||||
mov ebx,[.cz]
|
||||
end if
|
||||
cmp [esi],ebx
|
||||
jle @f
|
||||
|
||||
.draw_pixel
|
||||
|
||||
@@:
|
||||
add edi,[.xres3]
|
||||
add esi,[.xres4]
|
||||
|
||||
.update_cur_var
|
||||
|
||||
loop .v_draw
|
||||
jmp .end_line
|
||||
.deg45_l:
|
||||
mov word[.line_lenght],ax
|
||||
mov ax,[.x1]
|
||||
cmp [.x2],ax
|
||||
jge @f
|
||||
|
||||
.sort
|
||||
@@:
|
||||
mov bx,[.y2]
|
||||
sub bx,[.y1]
|
||||
movsx ebx,bx
|
||||
cmp ebx,0
|
||||
je .end_line
|
||||
mov [.delta_y],ebx
|
||||
mov bx,[.x2]
|
||||
sub bx,[.x1]
|
||||
movsx ebx,bx
|
||||
mov [.delta_x],ebx
|
||||
|
||||
call .calc_delta
|
||||
|
||||
mov eax,[.xres]
|
||||
movsx ebx,word[.y1] ;calc begin values in screen and Z buffers
|
||||
mul ebx
|
||||
lea ebx,[3*eax]
|
||||
add edi,ebx
|
||||
shl eax,2
|
||||
add esi,eax
|
||||
movsx eax,word[.x1]
|
||||
lea ebx,[eax*3]
|
||||
add edi,ebx
|
||||
shl eax,2
|
||||
add esi,eax
|
||||
|
||||
movzx ecx,word[.line_lenght]
|
||||
|
||||
movsx ebx,word[.r1]
|
||||
shl ebx,ROUND
|
||||
mov [.cr],ebx
|
||||
movsx ebx,word[.g1]
|
||||
shl ebx,ROUND
|
||||
mov [.cg],ebx
|
||||
movsx ebx,word[.b1]
|
||||
shl ebx,ROUND
|
||||
mov [.cb],ebx
|
||||
movsx ebx,word[.z1]
|
||||
shl ebx,ROUND
|
||||
mov [.cz],ebx
|
||||
.d45_draw:
|
||||
if Ext >= SSE2
|
||||
movd ebx,xmm1
|
||||
else
|
||||
mov ebx,[.cz]
|
||||
end if
|
||||
cmp [esi],ebx
|
||||
jle @f
|
||||
|
||||
.draw_pixel
|
||||
|
||||
@@:
|
||||
cmp dword[.delta_y],0
|
||||
jl @f
|
||||
add edi,[.xres3] ;SIZE_X*3+3
|
||||
add edi,3
|
||||
add esi,[.xres4] ;SIZE_X*4+4
|
||||
add esi,4
|
||||
jmp .d45_1
|
||||
@@:
|
||||
sub edi,[.xres3] ;(SIZE_X*3)-3
|
||||
sub edi,3
|
||||
sub esi,[.xres4] ;(SIZE_X*4)-4
|
||||
sub esi,4
|
||||
.d45_1:
|
||||
.update_cur_var
|
||||
|
||||
loop .d45_draw
|
||||
jmp .end_line
|
||||
|
||||
.more_vertical_l:
|
||||
mov word[.line_lenght],bx
|
||||
mov ax,[.y1]
|
||||
cmp [.y2],ax
|
||||
jge @f
|
||||
.sort
|
||||
@@:
|
||||
mov bx,[.y2]
|
||||
sub bx,[.y1]
|
||||
movsx ebx,bx
|
||||
cmp ebx,0
|
||||
je .end_line ;=======================
|
||||
mov [.delta_y],ebx
|
||||
|
||||
mov ax,[.x2]
|
||||
sub ax,[.x1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.delta],eax
|
||||
|
||||
call .calc_delta
|
||||
|
||||
mov eax,[.xres] ;SIZE_X
|
||||
movsx ebx,word[.y1] ;calc begin values in screen and Z buffers
|
||||
mul ebx
|
||||
lea ebx,[3*eax]
|
||||
add esi,ebx
|
||||
add esi,eax
|
||||
add edi,ebx
|
||||
mov [.cscr],edi
|
||||
mov [.czbuf],esi
|
||||
|
||||
movzx ecx,word[.line_lenght]
|
||||
|
||||
movsx ebx,word[.r1]
|
||||
shl ebx,ROUND
|
||||
mov [.cr],ebx
|
||||
movsx ebx,word[.g1]
|
||||
shl ebx,ROUND
|
||||
mov [.cg],ebx
|
||||
movsx ebx,word[.b1]
|
||||
shl ebx,ROUND
|
||||
mov [.cb],ebx
|
||||
movsx ebx,word[.z1]
|
||||
shl ebx,ROUND
|
||||
mov [.cz],ebx
|
||||
if Ext >= SSE2
|
||||
movups xmm1,[.cz]
|
||||
end if
|
||||
movsx ebx,word[.x1]
|
||||
shl ebx,ROUND
|
||||
mov [.ccoord],ebx ; .ccoord -> x coordinate
|
||||
.draw_m_v:
|
||||
mov edi,[.cscr]
|
||||
mov esi,[.czbuf]
|
||||
mov eax,[.ccoord]
|
||||
sar eax,ROUND
|
||||
lea ebx,[eax*3]
|
||||
add edi,ebx
|
||||
add esi,ebx
|
||||
add esi,eax
|
||||
if Ext >= SSE2
|
||||
movd ebx,xmm1
|
||||
else
|
||||
mov ebx,[.cz]
|
||||
end if
|
||||
cmp [esi],ebx
|
||||
jle @f
|
||||
|
||||
.draw_pixel
|
||||
|
||||
@@:
|
||||
mov eax,[.delta]
|
||||
mov ebx,[.xres3]
|
||||
add [.ccoord],eax
|
||||
mov eax,[.xres4]
|
||||
add dword[.cscr],ebx ;SIZE_X*3 ;
|
||||
add dword[.czbuf],eax ;SIZE_X*4
|
||||
.d_m_v1:
|
||||
|
||||
.update_cur_var
|
||||
|
||||
dec ecx
|
||||
jnz .draw_m_v
|
||||
jmp .end_line
|
||||
|
||||
.more_horizon_l:
|
||||
mov word[.line_lenght],ax
|
||||
mov ax,[.x1]
|
||||
cmp [.x2],ax
|
||||
jge @f
|
||||
|
||||
.sort
|
||||
@@:
|
||||
mov bx,[.x2]
|
||||
sub bx,[.x1]
|
||||
movsx ebx,bx
|
||||
cmp ebx,0;=======================
|
||||
je .end_line
|
||||
mov [.delta_x],ebx
|
||||
|
||||
mov ax,[.y2]
|
||||
sub ax,[.y1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.delta],eax
|
||||
|
||||
call .calc_delta
|
||||
|
||||
;calc begin values in screen and Z buffers
|
||||
movsx ebx,word[.x1]
|
||||
mov eax,ebx
|
||||
add esi,ebx
|
||||
lea ebx,[3*ebx]
|
||||
add esi,ebx
|
||||
add edi,ebx
|
||||
mov [.cscr],edi
|
||||
mov [.czbuf],esi
|
||||
|
||||
movzx ecx,word[.line_lenght]
|
||||
|
||||
movsx ebx,word[.r1]
|
||||
shl ebx,ROUND
|
||||
mov [.cr],ebx
|
||||
movsx ebx,word[.g1]
|
||||
shl ebx,ROUND
|
||||
mov [.cg],ebx
|
||||
movsx ebx,word[.b1]
|
||||
shl ebx,ROUND
|
||||
mov [.cb],ebx
|
||||
movsx ebx,word[.z1]
|
||||
shl ebx,ROUND
|
||||
mov [.cz],ebx
|
||||
if Ext >= SSE2
|
||||
movups xmm1,[.cz]
|
||||
end if
|
||||
movsx ebx,word[.y1]
|
||||
shl ebx,ROUND
|
||||
mov [.ccoord],ebx ; .ccoord -> y coordinate
|
||||
|
||||
.draw_m_h:
|
||||
mov edi,[.cscr]
|
||||
mov esi,[.czbuf]
|
||||
mov eax,[.ccoord] ; ccoord - cur y coordinate
|
||||
sar eax,ROUND
|
||||
mov ebx,[.xres] ;SIZE_X
|
||||
mul ebx
|
||||
add esi,eax
|
||||
lea eax,[eax*3]
|
||||
add esi,eax
|
||||
add edi,eax
|
||||
if Ext >= SSE2
|
||||
movd ebx,xmm1
|
||||
else
|
||||
mov ebx,[.cz]
|
||||
end if
|
||||
cmp [esi],ebx
|
||||
jle @f
|
||||
|
||||
.draw_pixel
|
||||
|
||||
@@:
|
||||
mov eax,[.delta]
|
||||
add [.ccoord],eax
|
||||
add dword[.cscr],3 ;
|
||||
add dword[.czbuf],4
|
||||
|
||||
.update_cur_var
|
||||
|
||||
dec ecx
|
||||
jnz .draw_m_h
|
||||
|
||||
.end_line:
|
||||
mov esp,ebp
|
||||
ret 24
|
||||
|
||||
.calc_delta:
|
||||
mov ax,[.z2]
|
||||
sub ax,[.z1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.dz],eax
|
||||
|
||||
mov ax,[.r2]
|
||||
sub ax,[.r1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.dr],eax
|
||||
|
||||
mov ax,[.g2]
|
||||
sub ax,[.g1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.dg],eax
|
||||
|
||||
mov ax,[.b2]
|
||||
sub ax,[.b1]
|
||||
cwde
|
||||
shl eax,ROUND
|
||||
cdq
|
||||
idiv ebx
|
||||
mov [.db],eax
|
||||
if Ext=MMX | Ext = SSE
|
||||
movq mm2,[.dz]
|
||||
movq mm3,[.dg]
|
||||
else if Ext >= SSE2
|
||||
movups xmm0,[.dz]
|
||||
movups xmm6,[.mask]
|
||||
end if
|
||||
ret
|
||||
.mask:
|
||||
dq 0xffffffff00ffffff
|
||||
dq 0xffffffffffffffff
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
; Line drawing procedure by Pablo Reda.
|
||||
; Gouraud extension by Maciej Guba.
|
||||
;****************************************************
|
||||
line_grd: ; eax=x1 ebx=y1 ecx=x2 edx=y2
|
||||
; xmm0 - color1 argb as 4 dword float
|
||||
; xmm1 - color2 argb as 4 dword float
|
||||
; xmm2 - z1 as dword float
|
||||
; xmm3 - z2 as dword float
|
||||
; mm0 - Z buffer
|
||||
; mm1 - screen buffer
|
||||
; mm2 - screen width
|
||||
|
||||
|
||||
cmp ebx,edx
|
||||
; je horizontal_grd
|
||||
jg .noswap
|
||||
xchg eax,ecx
|
||||
xchg ebx,edx
|
||||
movaps xmm7,xmm0
|
||||
movaps xmm0,xmm1
|
||||
movaps xmm1,xmm7
|
||||
movaps xmm7,xmm2
|
||||
movaps xmm2,xmm3
|
||||
movaps xmm3,xmm7
|
||||
.noswap:
|
||||
|
||||
cvtsi2ss xmm7,eax
|
||||
cvtsi2ss xmm6,ebx
|
||||
cvtsi2ss xmm5,ecx
|
||||
cvtsi2ss xmm4,edx
|
||||
subss xmm7,xmm5
|
||||
subss xmm6,xmm4
|
||||
andps xmm7,[abs_mask] ; 0x7fff
|
||||
andps xmm6,[abs_mask] ; 0x7fff
|
||||
maxss xmm7,xmm6 ; xmm7 - delta
|
||||
shufps xmm7,xmm7,0
|
||||
movaps xmm6,xmm3
|
||||
rcpps xmm7,xmm7
|
||||
subss xmm6,xmm2
|
||||
mulss xmm6,xmm7 ; xmm6 - delta z
|
||||
movaps xmm5,xmm1
|
||||
subps xmm5,xmm0
|
||||
mulps xmm5,xmm7 ; xmm5 - delta col argb
|
||||
|
||||
|
||||
shl eax,16
|
||||
shl ecx,16
|
||||
sub eax,ecx
|
||||
push ebx
|
||||
push edx
|
||||
sub ebx,edx
|
||||
add ebx,1
|
||||
cdq
|
||||
idiv ebx
|
||||
mov esi,eax
|
||||
add ecx,$7fff
|
||||
pop ebx
|
||||
pop edx
|
||||
.lineas:
|
||||
mov eax,ecx
|
||||
add eax,esi
|
||||
push ebx
|
||||
push eax
|
||||
push edx
|
||||
shr ecx,16
|
||||
shr eax,16
|
||||
call horizontal_grd
|
||||
pop edx
|
||||
pop ecx
|
||||
pop ebx
|
||||
add ebx,1
|
||||
cmp ebx,edx
|
||||
jle .lineas
|
||||
ret
|
||||
|
||||
horizontal_grd: ; eax=x1 ebx=y1 ecx=x2
|
||||
cmp ecx,eax
|
||||
jg .m
|
||||
xchg ecx,eax
|
||||
.m:
|
||||
sub ecx,eax
|
||||
jnz .nn
|
||||
add ecx,1
|
||||
.nn:
|
||||
movd edx,mm2
|
||||
imul ebx,edx
|
||||
add eax,ebx
|
||||
movd edi,mm1
|
||||
lea edi,[edi+eax*4]
|
||||
push eax
|
||||
push ebx
|
||||
movd ebx,mm0
|
||||
lea ebx,[ebx+eax*4]
|
||||
.l:
|
||||
; movss xmm4,xmm2 ; xmm2 - cur z
|
||||
; cmpnltss xmm4,[ebx]
|
||||
; movd eax,xmm4
|
||||
; or eax,eax
|
||||
; jnz @f
|
||||
comiss xmm2,[ebx]
|
||||
jng @f
|
||||
movaps xmm4,xmm0 ; xmm0 - cur col
|
||||
cvtps2dq xmm4,xmm4
|
||||
packssdw xmm4,xmm4
|
||||
packuswb xmm4,xmm4
|
||||
movd [edi],xmm4
|
||||
@@:
|
||||
addss xmm2,xmm6
|
||||
addps xmm0,xmm5
|
||||
add edi,4
|
||||
sub ecx,1
|
||||
jnz .l
|
||||
pop ebx
|
||||
pop eax
|
||||
ret
|
||||
|
@ -1,4 +1,14 @@
|
||||
|
||||
View3ds 0.072 - march 2021
|
||||
1. New displaying model - texturing with bilinear filtering and transparency
|
||||
simultanusly. Note that filtering is done only inside polygon. To better
|
||||
quality of image there is a need to use floats coordinates of texture to pass
|
||||
as arguments to single triangle rendering proc.
|
||||
2. Optimizations.
|
||||
3. SSE3 version runs correct on SSE2 cpus, but real phong, glass and
|
||||
transparented texturing with filtering rendering models are disabled.
|
||||
-----------------------------------------------------------------------------------
|
||||
|
||||
View3ds 0.071 - VIII 2020
|
||||
1. New displaying model - glass - it's two pass rendering. First pass calculates
|
||||
Z position of all front pixels, second render image with adding reflective
|
||||
|
@ -1,7 +1,12 @@
|
||||
View3ds 0.072 - tiny viewer to .3ds and .asc files with several graphics
|
||||
View3ds 0.073 - tiny viewer to .3ds and .asc files with several graphics
|
||||
effects implementation.
|
||||
|
||||
What's new?
|
||||
1. I introduced procedure for searching nonredundand edges.
|
||||
2. Writing some info about object: vertices, triangles unique edges
|
||||
count.
|
||||
|
||||
|
||||
1. New displaying model - texturing with bilinear filtering and transparency
|
||||
simultanusly. Note that filtering is done only inside polygon. To better
|
||||
quality of image there is a need to use floats coordinates of texture to pass
|
||||
@ -26,21 +31,23 @@ Buttons description:
|
||||
8. rand. light: Randomize 3 unlinear lights( so called Phong's illumination).
|
||||
9. Blur: blur N times; N=0,1,2,3,4,5
|
||||
10.11,12,13. loseless operations (rotary 90, 180 degrees).
|
||||
12. emboss: Do emboss effect( flat bumps ), use 'bumps deep' button to do edges more deep.
|
||||
12. emboss: Do emboss effect( flat bumps ), use 'bumps deep' button to do edges
|
||||
more deep.
|
||||
13. fire: do motion blur ( looks like fire ).
|
||||
14. move: changes meaning x,y,z +/- buttons -> obj: moving object, camr: moving camera, wave: x,y +/- increase,
|
||||
decrease wave effect frequency and amplitude.
|
||||
14. move: changes meaning x,y,z +/- buttons -> obj: moving object, camr: moving
|
||||
camera, wave: x,y +/- increase, decrease wave effect frequency and amplitude.
|
||||
15. generate: Generates some objects: node, Thorn Crown, heart...
|
||||
16. bumps: random, according to texture.
|
||||
17. bumps deep -> create bumps deeper or lighter.
|
||||
18. re-map tex -> re-map texture and bump map coordinates, to change spherical mapping
|
||||
around axle use 'xchg' and 'mirror' buttons, then press 're-map tex' button.
|
||||
18. re-map tex -> re-map texture and bump map coordinates, to change spherical
|
||||
mapping around axle use 'xchg' and 'mirror' buttons, then press 're-map tex' button.
|
||||
19. bright + -> increase picture brightness.
|
||||
20. bright - -> decrease picture brightness.
|
||||
21. wav effect -> do effect based sine function.
|
||||
22. editor -> setting editing option. If is "on" then red bars are draw according to each vertex, Pressing
|
||||
and moving left mouse button (cursor must be on handler)- change vertex position. If left mouse button
|
||||
is released apply current position. You may also decrease whole handlers count by enable culling (using
|
||||
appropriate button) - some back handlers become hidden.
|
||||
22. editor -> setting editing option. If is "on" then red bars are draw according to each
|
||||
vertex, Pressing and moving left mouse button (cursor must be on handler)- change
|
||||
vertex position. If left mouse button is released apply current position. You may also
|
||||
decrease whole handlers count by enable culling (using appropriate button) - some
|
||||
back handlers become hidden.
|
||||
|
||||
Maciej Guba III 2021
|
||||
Maciej Guba V 2021
|
||||
|
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user