WebSVN – Kolibri OS – Blame – /kernel/trunk/video/blitter.inc

Rev	Author	Line No.	Line
2455	mario79	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2011-2012. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1894	serge	7
2384	hidnplayr	8	struct BLITTER_BLOCK
		9	xmin dd ?
		10	ymin dd ?
		11	xmax dd ?
		12	ymax dd ?
		13	ends
1894	serge	14
		15
2384	hidnplayr	16	struct BLITTER
		17	dc BLITTER_BLOCK
		18	sc BLITTER_BLOCK
		19	dst_x dd ? ; 32
		20	dst_y dd ? ; 36
		21	src_x dd ? ; 40
		22	src_y dd ? ; 44
		23	w dd ? ; 48
		24	h dd ? ; 52
1894	serge	25
2384	hidnplayr	26	bitmap dd ? ; 56
		27	stride dd ? ; 60
		28	ends
1894	serge	29
		30
		31	align 4
		32
		33	__L1OutCode:
2288	clevermous	34	push ebx
		35	mov ebx, 8
		36	cmp edx, [eax]
		37	jl .L2
		38	xor ebx, ebx
		39	cmp edx, [eax+8]
		40	setg bl
		41	sal ebx, 2
1894	serge	42	.L2:
2288	clevermous	43	cmp ecx, [eax+4]
		44	jge .L3
		45	or ebx, 1
		46	jmp .L4
1894	serge	47
		48	.L3:
2288	clevermous	49	cmp ecx, [eax+12]
		50	jle .L4
		51	or ebx, 2
1894	serge	52	.L4:
2288	clevermous	53	mov eax, ebx
		54	pop ebx
1894	serge	55	ret
		56
		57	align 4
		58	block_clip:
2288	clevermous	59	push ebp
		60	push edi
		61	push esi
		62	push ebx
		63	sub esp, 4
1894	serge	64
2288	clevermous	65	mov ebx, eax
		66	mov [esp], edx
		67	mov ebp, ecx
		68	mov ecx, [ecx]
		69	mov edx, [edx]
		70	call __L1OutCode
1894	serge	71
2288	clevermous	72	mov esi, eax
		73	mov edx, [esp+28]
		74	mov ecx, [edx]
1894	serge	75	.L21:
2288	clevermous	76	mov eax, [esp+24]
		77	mov edx, [eax]
		78	mov eax, ebx
		79	call __L1OutCode
1894	serge	80
2288	clevermous	81	mov edi, eax
1894	serge	82	.L20:
2288	clevermous	83	mov eax, edi
		84	and eax, esi
		85	jne .L9
		86	cmp esi, edi
		87	je .L9
		88	test esi, esi
		89	jne .L10
		90	test edi, 1
		91	je .L11
		92	mov eax, [ebx+4]
		93	jmp .L25
1894	serge	94	.L11:
2288	clevermous	95	test edi, 2
		96	je .L13
		97	mov eax, [ebx+12]
1894	serge	98	.L25:
2288	clevermous	99	mov edx, [esp+28]
		100	jmp .L22
1894	serge	101	.L13:
2288	clevermous	102	test edi, 4
		103	je .L14
		104	mov eax, [ebx+8]
		105	jmp .L26
1894	serge	106	.L14:
2288	clevermous	107	and edi, 8
		108	je .L12
		109	mov eax, [ebx]
1894	serge	110	.L26:
2288	clevermous	111	mov edx, [esp+24]
1894	serge	112	.L22:
2288	clevermous	113	mov [edx], eax
1894	serge	114	.L12:
2288	clevermous	115	mov eax, [esp+28]
		116	mov ecx, [eax]
		117	jmp .L21
1894	serge	118	.L10:
2288	clevermous	119	test esi, 1
		120	je .L16
		121	mov eax, [ebx+4]
		122	jmp .L23
1894	serge	123	.L16:
2288	clevermous	124	test esi, 2
		125	je .L18
		126	mov eax, [ebx+12]
1894	serge	127	.L23:
2288	clevermous	128	mov [ebp+0], eax
		129	jmp .L17
1894	serge	130	.L18:
2288	clevermous	131	test esi, 4
		132	je .L19
		133	mov eax, [ebx+8]
		134	jmp .L24
1894	serge	135	.L19:
2288	clevermous	136	and esi, 8
		137	je .L17
		138	mov eax, [ebx]
1894	serge	139	.L24:
2288	clevermous	140	mov edx, [esp]
		141	mov [edx], eax
1894	serge	142	.L17:
2288	clevermous	143	mov ecx, [ebp+0]
		144	mov eax, [esp]
		145	mov edx, [eax]
		146	mov eax, ebx
		147	call __L1OutCode
		148	mov esi, eax
		149	jmp .L20
1894	serge	150	.L9:
2288	clevermous	151	add esp, 4
		152	pop ebx
		153	pop esi
		154	pop edi
		155	pop ebp
1894	serge	156	ret
		157
		158	align 4
		159	blit_clip:
		160
		161	.sx0 equ 36
		162	.sy0 equ 32
		163	.sx1 equ 28
		164	.sy1 equ 24
		165
		166	.dx0 equ 20
		167	.dy0 equ 16
		168	.dx1 equ 12
		169	.dy1 equ 8
		170
		171
2288	clevermous	172	push edi
		173	push esi
		174	push ebx
		175	sub esp, 40
1894	serge	176
2288	clevermous	177	mov ebx, ecx
		178	mov edx, [ecx+BLITTER.src_x]
		179	mov [esp+.sx0], edx
		180	mov eax, [ecx+BLITTER.src_y]
		181	mov [esp+.sy0], eax
		182	add edx, [ecx+BLITTER.w]
		183	dec edx
		184	mov [esp+.sx1], edx
		185	add eax, [ecx+BLITTER.h]
		186	dec eax
		187	mov [esp+.sy1], eax
1894	serge	188
2288	clevermous	189	lea ecx, [esp+.sy0]
		190	lea edx, [esp+.sx0]
		191	lea eax, [ebx+BLITTER.sc]
		192	lea esi, [esp+.sy1]
1894	serge	193
2288	clevermous	194	mov [esp+4], esi
		195	lea esi, [esp+.sx1]
		196	mov [esp], esi
		197	call block_clip
1894	serge	198
2288	clevermous	199	mov esi, 1
		200	test eax, eax
		201	jne .L28
1894	serge	202
2288	clevermous	203	mov edi, [esp+.sx0]
		204	mov edx, [ebx+BLITTER.dst_x]
		205	add edx, edi
		206	sub edx, [ebx+BLITTER.src_x]
		207	mov [esp+.dx0], edx
1894	serge	208
2288	clevermous	209	mov ecx, [esp+.sy0]
		210	mov eax, [ebx+BLITTER.dst_y]
		211	add eax, ecx
		212	sub eax, [ebx+BLITTER.src_y]
		213	mov [esp+.dy0], eax
		214	sub edx, edi
		215	add edx, [esp+.sx1]
		216	mov [esp+.dx1], edx
1894	serge	217
2288	clevermous	218	sub eax, ecx
		219	add eax, [esp+.sy1]
		220	mov [esp+.dy1], eax
1894	serge	221
2288	clevermous	222	lea ecx, [esp+.dy0]
		223	lea edx, [esp+.dx0]
		224	lea eax, [esp+.dy1]
		225	mov [esp+4], eax
		226	lea eax, [esp+.dx1]
		227	mov [esp], eax
		228	mov eax, ebx
		229	call block_clip
		230	test eax, eax
		231	jne .L28
1894	serge	232
2288	clevermous	233	mov edx, [esp+.dx0]
		234	mov eax, [esp+.dx1]
		235	inc eax
		236	sub eax, edx
		237	mov [ebx+BLITTER.w], eax
1894	serge	238
2288	clevermous	239	mov eax, [esp+.dy0]
		240	mov ecx, [esp+.dy1]
		241	inc ecx
		242	sub ecx, eax
		243	mov [ebx+BLITTER.h], ecx
1894	serge	244
2288	clevermous	245	mov ecx, [ebx+BLITTER.src_x]
		246	add ecx, edx
		247	sub ecx, [ebx+BLITTER.dst_x]
		248	mov [ebx+BLITTER.src_x], ecx
1894	serge	249
2288	clevermous	250	mov ecx, [ebx+BLITTER.src_y]
		251	add ecx, eax
		252	sub ecx, [ebx+BLITTER.dst_y]
		253	mov [ebx+BLITTER.src_y], ecx
		254	mov [ebx+BLITTER.dst_x], edx
		255	mov [ebx+BLITTER.dst_y], eax
		256	xor esi, esi
1894	serge	257	.L28:
2288	clevermous	258	mov eax, esi
		259	add esp, 40
		260	pop ebx
		261	pop esi
		262	pop edi
1894	serge	263
		264
		265	purge .sx0
		266	purge .sy0
		267	purge .sx1
		268	purge .sy1
		269
		270	purge .dx0
		271	purge .dy0
		272	purge .dx1
		273	purge .dy1
		274
		275	ret
		276
		277
		278
		279	align 4
		280
		281	blit_32:
2288	clevermous	282	push ebp
		283	push edi
		284	push esi
		285	push ebx
		286	sub esp, 72
1894	serge	287
2288	clevermous	288	mov eax, [TASK_BASE]
		289	mov ebx, [eax-twdw + WDATA.box.width]
		290	mov edx, [eax-twdw + WDATA.box.height]
1894	serge	291
2288	clevermous	292	xor eax, eax
1894	serge	293
2288	clevermous	294	mov [esp+BLITTER.dc.xmin], eax
		295	mov [esp+BLITTER.dc.ymin], eax
		296	mov [esp+BLITTER.dc.xmax], ebx
		297	mov [esp+BLITTER.dc.ymax], edx
1894	serge	298
2288	clevermous	299	mov [esp+BLITTER.sc.xmin], eax
		300	mov [esp+BLITTER.sc.ymin], eax
		301	mov eax, [ecx+24]
		302	dec eax
		303	mov [esp+BLITTER.sc.xmax], eax
		304	mov eax, [ecx+28]
		305	dec eax
		306	mov [esp+BLITTER.sc.ymax], eax
1894	serge	307
2288	clevermous	308	mov eax, [ecx]
		309	mov [esp+BLITTER.dst_x], eax
		310	mov eax, [ecx+4]
		311	mov [esp+BLITTER.dst_y], eax
1894	serge	312
2288	clevermous	313	mov eax, [ecx+16]
		314	mov [esp+BLITTER.src_x], eax
		315	mov eax, [ecx+20]
		316	mov [esp+BLITTER.src_y], eax
		317	mov eax, [ecx+8]
		318	mov [esp+BLITTER.w], eax
		319	mov eax, [ecx+12]
		320	mov [esp+BLITTER.h], eax
1894	serge	321
		322
2288	clevermous	323	mov eax, [ecx+32]
		324	mov [esp+56], eax
		325	mov eax, [ecx+36]
		326	mov [esp+60], eax
1894	serge	327
2288	clevermous	328	mov ecx, esp
		329	call blit_clip
		330	test eax, eax
		331	jne .L57
1894	serge	332
2288	clevermous	333	mov eax, [TASK_BASE]
1894	serge	334
2288	clevermous	335	mov ebx, [esp+BLITTER.dst_x]
		336	mov ebp, [esp+BLITTER.dst_y]
		337	add ebx, [eax-twdw + WDATA.box.left]
		338	add ebp, [eax-twdw + WDATA.box.top]
2430	mario79	339
		340	mov ecx, ebx
		341	add ecx, [esp+BLITTER.w]
		342	shl ecx, 16
		343	mov cx, bp
		344	add ecx, [esp+BLITTER.h]
		345
2288	clevermous	346	mov edi, ebp
1894	serge	347
2288	clevermous	348	imul edi, [_display.pitch]
2446	mario79	349	; imul ebp, [_display.width]
		350	mov ebp, [d_width_calc_area + ebp*4]
		351
2288	clevermous	352	add ebp, ebx
		353	add ebp, [_WinMapAddress]
1894	serge	354
2288	clevermous	355	mov eax, [esp+BLITTER.src_y]
		356	imul eax, [esp+BLITTER.stride]
		357	mov esi, [esp+BLITTER.src_x]
		358	lea esi, [eax+esi*4]
		359	add esi, [esp+BLITTER.bitmap]
1894	serge	360
2430	mario79	361	mov eax, ecx
2288	clevermous	362	mov ecx, [esp+BLITTER.h]
		363	mov edx, [esp+BLITTER.w]
1894	serge	364
2288	clevermous	365	test ecx, ecx ;FIXME check clipping
		366	jz .L57
1894	serge	367
2288	clevermous	368	test edx, edx
		369	jz .L57
1894	serge	370
2288	clevermous	371	cmp [_display.bpp], 32
		372	jne .core_24
1894	serge	373
2288	clevermous	374	lea edi, [edi+ebx*4]
1894	serge	375
2288	clevermous	376	mov ebx, [CURRENT_TASK]
1894	serge	377	align 4
		378	.outer32:
2288	clevermous	379	xor ecx, ecx
1894	serge	380
		381	align 4
		382	.inner32:
2288	clevermous	383	cmp [ebp+ecx], bl
2449	mario79	384	jne .skip
2430	mario79	385	;--------------------------------------
		386	push eax
		387	mov eax, [esi+ecx*4]
1894	serge	388
2448	mario79	389	; check for hardware cursor
2451	mario79	390	cmp [_display.select_cursor], select_cursor
		391	je @f
2448	mario79	392	cmp [_display.select_cursor], 0
		393	jne .no_mouseunder
		394	;--------------------------------------
		395	align 4
		396	@@:
2430	mario79	397	push ecx
		398
		399	mov ecx, [esp+4]
		400	ror ecx, 16
		401	sub ecx, edx
		402	rol ecx, 16
		403	sub ecx, [esp+BLITTER.h + 8]
		404
		405	; check mouse area for putpixel
		406	call [_display.check_mouse]
		407	pop ecx
2448	mario79	408	;--------------------------------------
		409	align 4
		410	.no_mouseunder:
2430	mario79	411	; store to real LFB
2288	clevermous	412	mov [LFB_BASE+edi+ecx*4], eax
2430	mario79	413	pop eax
		414	;--------------------------------------
		415	align 4
2449	mario79	416	.skip:
2288	clevermous	417	inc ecx
		418	dec edx
		419	jnz .inner32
1894	serge	420
2288	clevermous	421	add esi, [esp+BLITTER.stride]
		422	add edi, [_display.pitch]
		423	add ebp, [_display.width]
1894	serge	424
2288	clevermous	425	mov edx, [esp+BLITTER.w]
		426	dec [esp+BLITTER.h]
		427	jnz .outer32
1894	serge	428
		429	.done:
2453	mario79	430	; call [draw_pointer]
		431	call __sys_draw_pointer
1894	serge	432	.L57:
2288	clevermous	433	add esp, 72
		434	pop ebx
		435	pop esi
		436	pop edi
		437	pop ebp
1894	serge	438	ret
		439
		440	.core_24:
2288	clevermous	441	lea ebx, [ebx+ebx*2]
		442	lea edi, [LFB_BASE+edi+ebx]
		443	mov ebx, [CURRENT_TASK]
1894	serge	444
		445	align 4
		446	.outer24:
2288	clevermous	447	mov [esp+64], edi
		448	xor ecx, ecx
1894	serge	449
		450	align 4
		451	.inner24:
2288	clevermous	452	cmp [ebp+ecx], bl
2449	mario79	453	jne .skip_1
2430	mario79	454	;--------------------------------------
		455	push eax
2288	clevermous	456	mov eax, [esi+ecx*4]
1894	serge	457
2288	clevermous	458	lea edi, [edi+ecx*2]
2430	mario79	459
2448	mario79	460	; check for hardware cursor
2451	mario79	461	cmp [_display.select_cursor], select_cursor
		462	je @f
2448	mario79	463	cmp [_display.select_cursor], 0
		464	jne .no_mouseunder_1
		465	;--------------------------------------
		466	align 4
		467	@@:
2430	mario79	468	push ecx
		469
		470	mov ecx, [esp+4]
		471	ror ecx, 16
		472	sub ecx, edx
		473	rol ecx, 16
		474	sub ecx, [esp+BLITTER.h + 8]
		475
		476	; check mouse area for putpixel
		477	call [_display.check_mouse]
		478	pop ecx
2448	mario79	479	;--------------------------------------
		480	align 4
		481	.no_mouseunder_1:
2288	clevermous	482	mov [edi+ecx], ax
		483	shr eax, 16
		484	mov [edi+ecx+2], al
2430	mario79	485
		486	pop eax
		487	;--------------------------------------
		488	align 4
2449	mario79	489	.skip_1:
2288	clevermous	490	mov edi, [esp+64]
		491	inc ecx
		492	dec edx
		493	jnz .inner24
1894	serge	494
2288	clevermous	495	add esi, [esp+BLITTER.stride]
		496	add edi, [_display.pitch]
		497	add ebp, [_display.width]
1894	serge	498
2288	clevermous	499	mov edx, [esp+BLITTER.w]
		500	dec [esp+BLITTER.h]
		501	jnz .outer24
1894	serge	502
2288	clevermous	503	jmp .done

Subversion Repositories Kolibri OS

(root)/kernel/trunk/video/blitter.inc @ 7474 – Rev 2455