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Rev 5353 Rev 5418
Line 706... Line 706...
706 
	;or edi,___ - было выше
 706 
	;or edi,___ - было выше
707 
	jnz .els_0
 707 
	jnz .els_0
708 
		;if (co==0)
 708 
		;if (co==0)
709 
		mov edi,dword[edx+offs_vert_zp+offs_zbup_x]
 709 
		mov edi,dword[edx+offs_vert_zp+offs_zbup_x]
710 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_x]
 710 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_x]
711 
		mov dword[norm],edi
 711 
		mov dword[norm],edi ;p2.x-p0.x
712 
		fild dword[norm]
 712 
		fild dword[norm]
713 
		mov edi,dword[ecx+offs_vert_zp+offs_zbup_y]
 713 
		mov edi,dword[ecx+offs_vert_zp+offs_zbup_y]
714 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_y]
 714 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_y]
715 
		mov dword[norm],edi
 715 
		mov dword[norm],edi ;p1.y-p0.y
716 
		fimul dword[norm]
 716 
		fimul dword[norm]
- 
 
 717 
		fchs
717 
		mov edi,dword[ecx+offs_vert_zp+offs_zbup_x]
 718 
		mov edi,dword[ecx+offs_vert_zp+offs_zbup_x]
718 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_x]
 719 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_x]
719 
		mov dword[norm],edi
 720 
		mov dword[norm],edi ;p1.x-p0.x
720 
		fild dword[norm]
 721 
		fild dword[norm]
721 
		mov edi,dword[edx+offs_vert_zp+offs_zbup_y]
 722 
		mov edi,dword[edx+offs_vert_zp+offs_zbup_y]
722 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_y]
 723 
		sub edi,dword[ebx+offs_vert_zp+offs_zbup_y]
723 
		mov dword[norm],edi
 724 
		mov dword[norm],edi ;p2.y-p0.y
724 
		fimul dword[norm]
 725 
		fimul dword[norm]
725 
		fsubp
 726 
		faddp
726 
 
 - 
 
727 
		;st0 = (p1.zp.x-p0.zp.x)*(p2.zp.y-p0.zp.y) - (p2.zp.x-p0.zp.x)*(p1.zp.y-p0.zp.y)
 727 
		;st0 = (p1.zp.x-p0.zp.x)*(p2.zp.y-p0.zp.y) - (p2.zp.x-p0.zp.x)*(p1.zp.y-p0.zp.y)
Line 728... Line 728...
728 
 
 728 
 
729 
		mov dword[front],0
 729 
		mov dword[front],0
730 
		fldz
 - 
 
731 
		fcompp
 730 
		ftst
- 
 
 731 
		fstsw ax
- 
 
 732 
		ffree st0
732 
		fstsw ax
 733 
		fincstp
733 
		sahf
 734 
		sahf
734 
		je .end_f
 735 
		je .end_f
735 
		jbe @f ;jb @f ???
 736 
		jae @f
736 
			inc dword[front] ;front = 0.0 > norm
 737 
			inc dword[front] ;front = norm < 0.0
737 
		@@:
 738 
		@@:
738 
		mov edi,[context]
 739 
		mov edi,[context]
739 
		mov eax,dword[edi+offs_cont_current_front_face]
 740 
		mov eax,dword[edi+offs_cont_current_front_face]
- 
 
 741 
		xor dword[front],eax ;front ^= context.current_front_face
740 
		xor dword[front],eax ;front ^= context.current_front_face
 742 
 
741 
		; back face culling
 743 
		; back face culling
742 
		cmp dword[edi+offs_cont_cull_face_enabled],0
 744 
		cmp dword[edi+offs_cont_cull_face_enabled],0
743 
		je .els_1
 745 
		je .els_1
744 
			; most used case first
 746 
			; most used case first