forked from KolibriOS/kolibrios
605 lines
10 KiB
Plaintext
605 lines
10 KiB
Plaintext
do_sinus:
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.x equ [ebp-8]
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.y equ [ebp-12]
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.new_y equ [ebp-16]
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.temp equ [ebp-20]
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push ebp
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mov ebp,esp
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sub esp,64
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mov dword .x,0
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mov dword .y,0
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mov esi,[screen_ptr]
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mov edi,[Zbuffer_ptr]
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push edi
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; clear Zbuffer temporally used as image buffer
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mov ecx,SIZE_X*SIZE_Y
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xor eax,eax
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cld
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rep stosd
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pop edi
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; movzx eax,[sinus_flag]
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; mov edx,10
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; mul edx
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; mov [sin_amplitude],eax
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; mov [sin_frq],eax
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fninit
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;if Ext = SSE2
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; movups xmm1,[const0123] ; xmm1 - init values
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; mov eax,0x000000ff
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; movd xmm2,eax
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; shufps xmm2,xmm2,0 ; xmm2 - mask value
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; mov eax,4
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; movd xmm3,eax
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; shufps xmm3,xmm3,0
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.again:
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if 0
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fild dword .x
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fidiv [sin_frq]
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fsin
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fimul [sin_amplitude]
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fiadd dword .y
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fistp dword .new_y
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else
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fild dword .x
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fmul [sin_frq]
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fistp dword .temp
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mov eax, .temp
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; mov bx, [angle_x]
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; add bx, [angle_y]
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; movzx ebx,bx
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; shr ebx,1 ; change phase
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; add eax,ebx
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and eax, 0x000000ff
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; cdq
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; mul [sin_frq]
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; and eax,0x000000ff
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; and ax,0x00ff
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; cwde
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fld dword [sin_tab+eax*4]
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fimul dword [sin_amplitude]
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fiadd dword .y
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fistp dword .new_y
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end if
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mov eax,.new_y
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or eax,eax
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jl .skip
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cmp eax,SIZE_Y
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jg .skip
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; mov edx,SIZE_X
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; mul edx
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shl eax,9
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add eax,dword .x
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lea ebx,[eax*3]
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mov eax,[esi]
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mov [edi+ebx],eax
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.skip:
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add esi,3
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inc dword .x
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cmp dword .x,SIZE_X
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jl .again
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mov dword .x,0
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inc dword .y
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cmp dword .y,SIZE_Y
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jl .again
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; copy from temporary buffer -> Zbuffer to screen
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mov esi,[Zbuffer_ptr]
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mov edi,[screen_ptr]
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mov ecx,SIZE_X*SIZE_Y*3/4
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cld
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rep movsd
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mov esp,ebp
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pop ebp
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ret
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draw_dots:
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mov esi,[points_translated_ptr]
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movzx ecx,[points_count_var]
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.drw:
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@@:
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lodsd
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add esi,2 ; skip z
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movzx ebx,ax
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shr eax,16 ; bx = x , ax = y
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or ax,ax
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jl @f
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or bx,bx
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jl @f
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cmp ax,SIZE_Y
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jge @f
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cmp bx,SIZE_X
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jge @f
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mov edx,SIZE_X ; SIZE_X not only power of 2 -> 256,512,...
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mul edx
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add eax,ebx
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mov edi,[screen_ptr]
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lea eax,[eax*3]
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add edi,eax
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xor eax,eax
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not eax
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stosd
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@@:
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loop .drw
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ret
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do_emboss:
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; emboss - after drawing all,
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; transfer screen buffer into bump map
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; and draw two bump triangles
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; *************************************
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mov esi,screen
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mov edi,bumpmap2
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mov ecx,TEXTURE_SIZE/3
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cld
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if Ext=NON
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xor eax,eax
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xor bh,bh
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xor dh,dh
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@@:
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lodsb
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movzx bx,al
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lodsb
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movzx dx,al
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lodsb
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add ax,bx
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add ax,dx
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; cwd
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; div [i3]
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;; push ax
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;; pop bx
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;; shr bx,3
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;; shr ax,2
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;; add ax,bx
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lea eax,[eax*5]
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shr ax,4
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stosb
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loop @b
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else
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emms
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pxor mm1,mm1
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mov ebx,0x0000ffff
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@@:
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movd mm0,[esi]
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punpcklbw mm0,mm1
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movq mm2,mm0
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psrlq mm2,16
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movq mm3,mm0
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psrlq mm3,32
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paddw mm0,mm2
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paddw mm0,mm3
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movd eax,mm0
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and eax,ebx
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lea eax,[eax*5]
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shr ax,4
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stosb
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add esi,3
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loop @b
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end if
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push ebp
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push dword 0 ; env coords
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push word 0
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push word SIZE_X
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push word SIZE_Y
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push dword 0
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push dword 0 ; bump coords
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push word SIZE_X
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push word SIZE_Y
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push word 0
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mov eax,SIZE_Y
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mov ebx,SIZE_X*65536+0
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xor ecx,ecx
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mov edx,bumpmap2
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mov esi,envmap
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mov edi,screen
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call bump_triangle
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push dword SIZE_X shl 16 + SIZE_Y ; env coords
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push word 0
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push word SIZE_X
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push word SIZE_Y
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push word 0
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push dword SIZE_X shl 16 + SIZE_Y ; bump coords
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push word 0
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push word SIZE_X
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push word SIZE_Y
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push word 0
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mov eax,SIZE_Y
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mov ebx,SIZE_X * 65536+0
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mov ecx,SIZE_X shl 16 + SIZE_Y
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mov edx,bumpmap2
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mov esi,envmap
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mov edi,screen
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call bump_triangle
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pop ebp
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ret
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;********************************EMBOSS DONE*******************************
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generate_object2: ; torus
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;in ax - figure number 2=torus, 3=loop, 4=loop
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;locals
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; counter dw ?
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; sin dd ?
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; cos dd ?
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;endl
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.counter equ word[ebp-2]
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.sin equ dword[ebp-6]
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.cos equ dword[ebp-10]
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.sin2 equ dword[ebp-14]
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.cos2 equ dword[ebp-18]
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.piD180m3 equ dword[ebp-22]
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.cD2 equ word[ebp-24]
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push ebp
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mov ebp,esp
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sub esp,24
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push ax
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fninit
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mov edi,[points_ptr]
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xor eax,eax
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; init seed -> 4 3d points
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mov dword[edi],-1.0 ; x
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add edi,4
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stosd ; y
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stosd ; z
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mov dword[edi],-0.9 ; x1
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mov dword[edi+4],0.1 ; y1
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add edi,8
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stosd ; z1
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mov dword[edi],-0.8
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add edi,4
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stosd
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stosd
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mov dword[edi],-0.9 ; x3
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mov dword[edi+4],-0.1 ; y3
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add edi,8
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stosd ; z3
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mov [points_count_var],4
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fld [piD180]
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fidiv [i3]
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fstp .piD180m3
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mov .cD2,5
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pop ax
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mov ecx,1
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mov edx,9
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.next: ; calc angle and rotate seed 4 points
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mov .counter,cx
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mov ebx,[points_ptr]
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fld .piD180m3
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fimul .counter
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fld st
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fsincos
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fstp .sin
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fstp .cos
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fadd st,st0
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fsincos
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fstp .sin2
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fstp .cos2
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.rotor: ; next 4
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; rotary y
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fld dword[ebx] ; x
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fld .sin
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fmul dword[ebx+8] ; z * sinbeta
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fchs
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fld .cos
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fmul dword[ebx] ; x * cosbeta
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faddp
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fstp dword[edi] ; new x
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fmul .sin ; old x * sinbeta
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fld .cos
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fmul dword[ebx+8] ; z * cosbeta
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faddp
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dec dx
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or dx,dx
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jnz @f
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; mov .counter,dx
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fld st
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fidiv [i3]
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faddp
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@@:
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fstp dword[edi+8] ; new z
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fld dword[ebx+4]
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or dx,dx
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jnz @f
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; fld1
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; faddp
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; fld st
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fadd st,st0
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fadd st,st0
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; fxch
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; fimul [i3]
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; fsin
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; faddp
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mov dx,9
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@@:
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fstp dword[edi+4]
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; rotary x
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cmp al,3
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jl .end_rot
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fld dword[edi+4] ;y
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fld .sin2
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fmul dword[edi+8] ;z
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fld .cos2
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fmul dword[edi+4] ;y
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faddp
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fstp dword[edi+4] ; new y
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fmul .sin2 ; sinbeta * old y
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fchs
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fld .cos2
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fmul dword[edi+8]
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faddp
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fstp dword[edi+8]
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; rotary z
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cmp al,4
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jl .end_rot
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fld dword[edi] ;x
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fld .sin
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fmul dword[edi+4] ;y
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fld .cos
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fmul dword[edi] ;x
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faddp
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fstp dword[edi] ;new x
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fmul .sin ; sinbeta * old x
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fchs
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fld .cos
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fmul dword[edi+4] ; cosbeta * y
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faddp
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fstp dword[edi+4] ; new y
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.end_rot:
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add edi,12
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add ebx,12
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mov esi,[points_ptr]
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add esi,12*4
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cmp ebx,esi
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jl .rotor
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add [points_count_var],4
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add cx,18
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cmp cx,(18*21*3)+1
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jle .next
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mov edi,[triangles_ptr]
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mov ax,4
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mov bx,4+4
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mov [triangles_count_var],164*3 ;140
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mov cx,80*3 ;68
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@@:
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stosw ;----
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mov [edi],bx ; |
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add edi,2 ; |
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inc ax ; |
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stosw ; |repeat 4 times
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mov [edi],bx ; |
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inc bx
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add edi,2
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stosw ; |
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mov [edi],bx ; |
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add edi,2 ;----
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loop @b
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mov dword[edi],-1 ; < - end mark
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mov [culling_flag],0
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mov esp,ebp
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pop ebp
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ret
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generate_object3: ; heart
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;locals
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; counter dw ?
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; sin dd ?
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; cos dd ?
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;endl
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.counter equ word[ebp-2]
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.sin equ dword[ebp-6]
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.cos equ dword[ebp-10]
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.sin2 equ dword[ebp-14]
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.cos2 equ dword[ebp-18]
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.piD180m3 equ dword[ebp-22]
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.cD2 equ word[ebp-24]
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push ebp
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mov ebp,esp
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sub esp,24
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fninit
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mov edi,[points_ptr]
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xor eax,eax
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; init seed -> eight 3d points
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mov dword[edi],2.0
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add edi,4
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stosd
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stosd
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mov dword[edi],2.0
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mov dword[edi+4],-0.5
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add edi,8
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stosd
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mov dword[edi],1.5
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mov dword[edi+4],-1.5
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add edi,8
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stosd
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mov dword[edi],1.0
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mov dword[edi+4],-2.0
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add edi,8
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stosd
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stosd
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mov dword[edi],-2.5
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add edi,4
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stosd
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mov [points_count_var],5
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mov ecx,1
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.next: ; calc angle and rotate seed 4 points
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mov .counter,cx
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mov ebx,[points_ptr]
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fld [piD180]
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fimul .counter
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fsincos
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fstp .sin
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fstp .cos
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.rotor: ; next 4
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; rotary y
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fld dword[ebx] ; x
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fld .sin
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fmul dword[ebx+8] ; z * sinbeta
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fchs
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fld .cos
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fmul dword[ebx] ; x * cosbeta
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faddp
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fidiv [i3]
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fstp dword[edi] ; new x
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fmul .sin ; old x * sinbeta
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fld .cos
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fmul dword[ebx+8] ; z * cosbeta
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faddp
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fstp dword[edi+8] ; new z
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fld dword[ebx+4] ;y
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fstp dword[edi+4]
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.end_rot:
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add edi,12
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add ebx,12
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mov esi,[points_ptr]
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add esi,12*5
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cmp ebx,esi ;real_points + (12*5)
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jl .rotor
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add [points_count_var],5
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add cx,18
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cmp cx,(18*21)+1
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jle .next
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;last points
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xor eax,eax
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mov dword[edi],0.22
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mov dword[edi+4],0.77
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mov dword[edi+8],1.25
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add edi,12
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mov dword[edi],0.22
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mov dword[edi+4],0.77
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mov dword[edi+8],-1.25
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add edi,12
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stosd
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add [points_count_var],2
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; init triangles list
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mov edi,[triangles_ptr]
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mov ax,5
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mov bx,5+5
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mov [triangles_count_var],204
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mov cx,100
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@@:
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stosw ;----
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mov [edi],bx ; |
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add edi,2 ; |
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inc ax ; |
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stosw ; |repeat
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mov [edi],bx ; |
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inc bx
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add edi,2
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stosw ; |
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mov [edi],bx ; |
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add edi,2 ;----
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loop @b
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mov ax,5
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mov bx,[points_count_var]
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sub bx,2
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mov dl,2
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.nx:
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mov cx,5
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add [triangles_count_var],cx
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@@:
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stosw
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add ax,5
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stosw
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mov word[edi],bx
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add edi,2
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loop @b
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cmp dl,1
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je @f
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inc bx
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jmp .lab
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@@:
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dec bx
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.lab:
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mov cx,5
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add [triangles_count_var],cx
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@@:
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stosw
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add ax,5
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stosw
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mov word[edi],bx
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add edi,2
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loop @b
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dec dl
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or dl,dl
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jnz .nx
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sub ax,25
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stosw
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sub ax,50
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stosw
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mov word[edi],bx
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add edi,2
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stosw
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add ax,50
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stosw
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inc bx
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mov word[edi],bx
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add edi,2
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add [triangles_count_var],2
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mov dword[edi],-1 ; < - end mark
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mov [culling_flag],0
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mov esp,ebp
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pop ebp
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ret
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