WebSVN – Kolibri OS – Diff – /programs/develop/libraries/TinyGL/asm_fork/vertex.asm



	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLES
	jne @f
		cmp dword[n],3
		jne .end_f
			mov eax,[edx+offs_cont_vertex]
			mov [esp-12],eax
			add eax,sizeof.GLVertex
			mov [esp-8],eax
			add eax,sizeof.GLVertex
			mov [esp-4],eax
			sub esp,12
			stdcall gl_draw_triangle, edx ;v0,v1,v2
			xor eax,eax
			mov dword[n],eax
		jmp .end_f
	@@:
	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_STRIP

			.ts3:
			; needed to respect triangle orientation
			mov eax,[edx+offs_cont_vertex]
			bt dword[edx+offs_cont_vertex_cnt],0
			jc .case_1
				mov [esp-4],eax
				add eax,sizeof.GLVertex
				mov [esp-8],eax
				add eax,sizeof.GLVertex
				mov [esp-12],eax
				sub esp,12
				stdcall gl_draw_triangle, edx ;v2,v1,v0
				jmp .end_f
			.case_1:
				mov [esp-12],eax
				add eax,sizeof.GLVertex
				mov [esp-8],eax
				add eax,sizeof.GLVertex
				mov [esp-4],eax
				sub esp,12
				stdcall gl_draw_triangle, edx ;v0,v1,v2
		jmp .end_f
	@@:
	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_FAN
	jne @f
		cmp dword[n],3
		jne .end_f
			mov eax,[edx+offs_cont_vertex]
			mov [esp-12],eax
			add eax,sizeof.GLVertex
			mov [esp-8],eax
			mov edi,eax
			add eax,sizeof.GLVertex
			mov [esp-4],eax
			mov esi,eax
			sub esp,12
			stdcall gl_draw_triangle, edx ;v0,v1,v2
			mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb
			rep movsd ;context.vertex[1] = context.vertex[2]
			mov dword[n],2
		jmp .end_f
	@@:

	cmp dword[edx+offs_cont_begin_type],GL_QUAD_STRIP
	jne @f
		cmp dword[n],4
		jne .end_f
			mov eax,[edx+offs_cont_vertex]
			mov [esp-12],eax
			mov edi,eax
			add eax,sizeof.GLVertex
			mov [esp-8],eax
			add eax,sizeof.GLVertex
			mov [esp-4],eax
			mov esi,eax
			sub esp,12
			stdcall gl_draw_triangle, edx ;v0,v1,v2
			mov [esp-4],eax
			add eax,sizeof.GLVertex
			mov [esp-8],eax
			sub eax,2*sizeof.GLVertex
			mov [esp-12],eax
			sub esp,12
			stdcall gl_draw_triangle, edx ;v1,v3,v2
			mov ecx,(sizeof.GLVertex)/2 ;((...)/2) копируем 2 вершины
			rep movsd ;context.vertex[0] = context.vertex[2], context.vertex[1] = context.vertex[3]
			mov dword[n],2

Rev 5392	Rev 5418
Line 585...	Line 585...
585	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLES	585	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLES
586	jne @f	586	jne @f
587	cmp dword[n],3	587	cmp dword[n],3
588	jne .end_f	588	jne .end_f
589	mov eax,[edx+offs_cont_vertex]	589	mov eax,[edx+offs_cont_vertex]
590	mov [esp-4],eax	590	mov [esp-12],eax
591	add eax,sizeof.GLVertex	591	add eax,sizeof.GLVertex
592	mov [esp-8],eax	592	mov [esp-8],eax
593	add eax,sizeof.GLVertex	593	add eax,sizeof.GLVertex
594	mov [esp-12],eax	594	mov [esp-4],eax
595	sub esp,12	595	sub esp,12
596	stdcall gl_draw_triangle, edx	596	stdcall gl_draw_triangle, edx ;v0,v1,v2
597	xor eax,eax	597	xor eax,eax
598	mov dword[n],eax	598	mov dword[n],eax
599	jmp .end_f	599	jmp .end_f
600	@@:	600	@@:
601	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_STRIP	601	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_STRIP
Line 609...	Line 609...
609	.ts3:	609	.ts3:
610	; needed to respect triangle orientation	610	; needed to respect triangle orientation
611	mov eax,[edx+offs_cont_vertex]	611	mov eax,[edx+offs_cont_vertex]
612	bt dword[edx+offs_cont_vertex_cnt],0	612	bt dword[edx+offs_cont_vertex_cnt],0
613	jc .case_1	613	jc .case_1
614	mov [esp-12],eax	614	mov [esp-4],eax
615	add eax,sizeof.GLVertex	615	add eax,sizeof.GLVertex
616	mov [esp-8],eax	616	mov [esp-8],eax
617	add eax,sizeof.GLVertex	617	add eax,sizeof.GLVertex
618	mov [esp-4],eax	618	mov [esp-12],eax
619	sub esp,12	619	sub esp,12
620	stdcall gl_draw_triangle, edx ;&v[2],&v[1],&v[0]	620	stdcall gl_draw_triangle, edx ;v2,v1,v0
621	jmp .end_f	621	jmp .end_f
622	.case_1:	622	.case_1:
623	mov [esp-4],eax	623	mov [esp-12],eax
624	add eax,sizeof.GLVertex	624	add eax,sizeof.GLVertex
625	mov [esp-8],eax	625	mov [esp-8],eax
626	add eax,sizeof.GLVertex	626	add eax,sizeof.GLVertex
627	mov [esp-12],eax	627	mov [esp-4],eax
628	sub esp,12	628	sub esp,12
629	stdcall gl_draw_triangle, edx ;&v[0],&v[1],&v[2]	629	stdcall gl_draw_triangle, edx ;v0,v1,v2
630	jmp .end_f	630	jmp .end_f
631	@@:	631	@@:
632	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_FAN	632	cmp dword[edx+offs_cont_begin_type],GL_TRIANGLE_FAN
633	jne @f	633	jne @f
634	cmp dword[n],3	634	cmp dword[n],3
635	jne .end_f	635	jne .end_f
636	mov eax,[edx+offs_cont_vertex]	636	mov eax,[edx+offs_cont_vertex]
637	mov [esp-4],eax	637	mov [esp-12],eax
638	add eax,sizeof.GLVertex	638	add eax,sizeof.GLVertex
639	mov [esp-8],eax	639	mov [esp-8],eax
640	mov edi,eax	640	mov edi,eax
641	add eax,sizeof.GLVertex	641	add eax,sizeof.GLVertex
642	mov [esp-12],eax	642	mov [esp-4],eax
643	mov esi,eax	643	mov esi,eax
644	sub esp,12	644	sub esp,12
645	stdcall gl_draw_triangle, edx	645	stdcall gl_draw_triangle, edx ;v0,v1,v2
646	mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb	646	mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb
647	rep movsd ;context.vertex[1] = context.vertex[2]	647	rep movsd ;context.vertex[1] = context.vertex[2]
648	mov dword[n],2	648	mov dword[n],2
649	jmp .end_f	649	jmp .end_f
650	@@:	650	@@:
Line 676...	Line 676...
676	cmp dword[edx+offs_cont_begin_type],GL_QUAD_STRIP	676	cmp dword[edx+offs_cont_begin_type],GL_QUAD_STRIP
677	jne @f	677	jne @f
678	cmp dword[n],4	678	cmp dword[n],4
679	jne .end_f	679	jne .end_f
680	mov eax,[edx+offs_cont_vertex]	680	mov eax,[edx+offs_cont_vertex]
681	mov [esp-4],eax	681	mov [esp-12],eax
682	mov edi,eax	682	mov edi,eax
683	add eax,sizeof.GLVertex	683	add eax,sizeof.GLVertex
684	mov [esp-8],eax	684	mov [esp-8],eax
685	add eax,sizeof.GLVertex	685	add eax,sizeof.GLVertex
686	mov [esp-12],eax	686	mov [esp-4],eax
687	mov esi,eax	687	mov esi,eax
688	sub esp,12	688	sub esp,12
689	stdcall gl_draw_triangle, edx ;v0,v1,v2	689	stdcall gl_draw_triangle, edx ;v0,v1,v2
690	mov [esp-12],eax	690	mov [esp-4],eax
691	add eax,sizeof.GLVertex	691	add eax,sizeof.GLVertex
692	mov [esp-8],eax	692	mov [esp-8],eax
693	sub eax,2*sizeof.GLVertex	693	sub eax,2*sizeof.GLVertex
694	mov [esp-4],eax	694	mov [esp-12],eax
695	sub esp,12	695	sub esp,12
696	stdcall gl_draw_triangle, edx ;v1,v3,v2	696	stdcall gl_draw_triangle, edx ;v1,v3,v2
697	mov ecx,(sizeof.GLVertex)/2 ;((...)/2) копируем 2 вершины	697	mov ecx,(sizeof.GLVertex)/2 ;((...)/2) копируем 2 вершины
698	rep movsd ;context.vertex[0] = context.vertex[2], context.vertex[1] = context.vertex[3]	698	rep movsd ;context.vertex[0] = context.vertex[2], context.vertex[1] = context.vertex[3]
699	mov dword[n],2	699	mov dword[n],2

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(root)/programs/develop/libraries/TinyGL/asm_fork/vertex.asm – Rev 5392 → 5418