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;

; TRIANGLE SPEED TEST 3

; 32 triangle draw use! 12300 triangle in sec on 800Mhz processor

;

; Pavlushin Evgeni 11.09.2004

; mail: waptap@mail.ru       site: www.deck4.narod.ru

;                                www.cyberdeck.fatal.ru

use32

               org     0x0

               db     'MENUET01'              ; 8 byte id

               dd     0x01                    ; header version

               dd     START                   ; start of code

               dd     I_END                   ; size of image

               dd     0x100000                ; memory for app

               dd     0x100000                ; esp

               dd     0x0 , 0x0               ; I_Param , I_Icon

SCREEN_X equ 320 ;800

SCREEN_Y equ 200 ;600

include 'lang.inc'

include 'ascl.inc'

include 'ascgl.inc'

START:

red:

    call draw_window

still:

    scevent red,key,button

    fps  250,8,cl_White,cl_Black

main_loop:

     random SCREEN_X,eax

     mov [@@tx1],eax

     random SCREEN_Y,eax

     mov [@@ty1],eax

     random SCREEN_X,eax

     mov [@@tx2],eax

     random SCREEN_Y,eax

     mov [@@ty2],eax

     random SCREEN_X,eax

     mov [@@tx3],eax

     random SCREEN_Y,eax

     mov [@@ty3],eax

     random 255,eax

     mov byte [@@rgb],al

     random 255,eax

     mov byte [@@rgb+1],al

     random 255,eax

     mov byte [@@rgb+2],al

     pushad

     call filled_triangle

     popad

     dec [count]  ;for max speed

     jnz xxx

     call outscr

     mov [count],100

xxx:

     jmp still

count dd 100

key:

     mov eax,2

     int 0x40

     jmp still

button:

     mov eax,17

     int 0x40

     cmp ah,1

     jne still

exit:

     mov eax,-1

     int 0x40

;Draw window

draw_window:

    mov eax,12  ;Start

    mov ebx,1

    int 0x40

    xor eax,eax   ;Draw window

    mov ebx,100*65536+(SCREEN_X+9) ;x start*65536+x size

    mov ecx,100*65536+(SCREEN_Y+26) ;y start*65536+y size

    mov edx,0x13000000              ;0x33 use skinned window

    mov edi,header

    int 0x40

    mov eax,12  ;End

    mov ebx,2

    int 0x40

    ret

header db '3D TEST SAMPLE',0

outscr:

;outscrbuf

 mov ebx,scrbuf

 mov ecx,SCREEN_X*65536+SCREEN_Y

 mov edx,5*65536+22

 mov ax,7

 int 0x40

	ret

;filled trangle 32 bit draw procedure

;from NAAG3d demo

@@tx1  dd 0

@@ty1  dd 0

@@tx2  dd 0

@@ty2  dd 0

@@tx3  dd 0

@@ty3  dd 0

@@rgb  dd 0

@@dx12 dd 0

@@dx13 dd 0

@@dx23 dd 0

filled_triangle:

	mov eax,[@@ty1]

	cmp eax,[@@ty3]

	jle @@ok13

	xchg eax,[@@ty3]

	mov [@@ty1],eax

	mov eax,[@@tx1]

	xchg eax,[@@tx3]

	mov [@@tx1],eax

@@ok13:

	mov eax,[@@ty2]

	cmp eax,[@@ty3]

	jle @@ok23

	xchg eax,[@@ty3]

	mov [@@ty2],eax

	mov eax,[@@tx2]

	xchg eax,[@@tx3]

	mov [@@tx2],eax

@@ok23:

	mov eax,[@@ty1]

	cmp eax,[@@ty2]

	jle @@ok12

	xchg eax,[@@ty2]

	mov [@@ty1],eax

	mov eax,[@@tx1]

	xchg eax,[@@tx2]

	mov [@@tx1],eax

@@ok12:

	mov ebx,[@@ty2]

	sub ebx,[@@ty1]

	jnz @@make_d12

	mov [@@dx12],dword 0

	jmp @@done_d12

@@make_d12:

	mov eax,[@@tx2]

	sub eax,[@@tx1]

	shl eax,12 ;7

	cdq

	idiv ebx

	mov [@@dx12],eax			; dx12 = (x2-x1)/(y2-y1)

@@done_d12:

	mov ebx,[@@ty3]

	sub ebx,[@@ty1]

	jnz @@make_d13

	mov [@@dx13],dword 0

	jmp @@done_d13

@@make_d13:

	mov eax,[@@tx3]

	sub eax,[@@tx1]

	shl eax,12 ;7

	cdq

	idiv ebx

	mov [@@dx13],eax			; dx13 = (x3-x1)/(y3-y1)

@@done_d13:

	mov ebx,[@@ty3]

	sub ebx,[@@ty2]

	jnz @@make_d23

	mov [@@dx23],dword 0

	jmp @@done_d23

@@make_d23:

	mov eax,[@@tx3]

	sub eax,[@@tx2]

	shl eax,12 ;7

	cdq

	idiv ebx

	mov [@@dx23],eax			; dx23 = (x3-x2)/(y3-y2)

@@done_d23:

	mov eax,[@@tx1]

	shl eax,12 ;7

	mov ebx,eax

	mov ecx,[@@ty1]

 cmp ecx,[@@ty2]

 jge @@end_loop12

@@loop12:

 call flat_line

	add eax,[@@dx13]

	add ebx,[@@dx12]

	inc ecx

	cmp ecx,[@@ty2]

	jl  @@loop12

@@end_loop12:

 mov ecx,[@@ty2]

 cmp ecx,[@@ty3]

 jge @@end_loop23

	mov ebx,[@@tx2]

	shl ebx,12 ;7

@@loop23:

 call flat_line

	add eax,[@@dx13]

	add ebx,[@@dx23]

	inc ecx

	cmp ecx,[@@ty3]

	jl  @@loop23

@@end_loop23:

	ret

;flatline proc

flat_line:

 push eax

 push ebx

 push ecx

 or ecx,ecx

 jl @@quit

 cmp ecx,SCREEN_Y-1 ;199

 jg @@quit

 sar eax,12

 sar ebx,12

 or eax,eax

 jge @@ok1

 xor eax,eax

 jmp @@ok2

@@ok1:

 cmp eax,SCREEN_X-1 ;319

 jle @@ok2

 mov eax,SCREEN_X-1 ;319

@@ok2:

 or ebx,ebx

 jge @@ok3

 xor ebx,ebx

 jmp @@ok4

@@ok3:

 cmp ebx,SCREEN_X-1 ;319

 jle @@ok4

 mov ebx,SCREEN_X-1 ;319

@@ok4:

 cmp eax,ebx

 jl @@ok

 je @@quit

 xchg eax,ebx

@@ok:

 mov edi,ecx

; shl edi,6    ;for 320 speed+

; shl ecx,8

; add edi,ecx

 push eax

 mov eax,SCREEN_X

 mul edi

 mov edi,eax

 pop eax

 add edi,eax

 mov ebp,edi

 shl ebp,1

 add edi,ebp

 add edi,scrbuf

 mov ecx,ebx

 sub ecx,eax

lineout:

 mov eax,[@@rgb]

 mov byte [edi],al

 shr eax,8

 mov byte [edi+1],al

 shr eax,8

 mov byte [edi+2],al

 add edi,3

 dec ecx

 jnz lineout

@@quit:

 pop ecx

 pop ebx

 pop eax

 ret

scrbuf:

I_END: