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

Rev	Author	Line No.	Line
1894	serge	1
		2
		3
		4	.dc.ymin rd 1 ; 4
		5	.dc.xmax rd 1 ; 8
		6	.dc.ymax rd 1 ; 12
		7
		8	.sc:
		9	.sc.xmin rd 1 ; 16
		10
		11	.sc.xmax rd 1 ; 24
		12	.sc.ymax rd 1 ; 28
		13
		14	.dst_x rd 1 ; 32
		15	.dst_y rd 1 ; 36
		16
		17	.src_y rd 1 ; 44
		18	.w rd 1 ; 48
		19	.h rd 1 ; 52
		20
		21	.bitmap rd 1 ; 56
		22	.stride rd 1 ; 60
		23
		24	}
		25
		26
		27	BLITTER BLITTER
		28
		29
		30
		31	align 4
		32
		33
		34	push ebx
		35
		36	cmp edx, [eax]
2288	clevermous	37	jl .L2
		38	xor ebx, ebx
		39	cmp edx, [eax+8]
		40	setg bl
		41	sal ebx, 2
		42	.L2:
		43	cmp ecx, [eax+4]
		44	jge .L3
1894	serge	45	or ebx, 1
2288	clevermous	46	jmp .L4
		47
		48	.L3:
		49	cmp ecx, [eax+12]
1894	serge	50
		51	or ebx, 2
2288	clevermous	52	.L4:
		53	mov eax, ebx
		54	pop ebx
1894	serge	55	ret
2288	clevermous	56
		57	align 4
1894	serge	58	block_clip:
		59
		60	push edi
		61	push esi
2288	clevermous	62	push ebx
		63	sub esp, 4
		64
		65	mov ebx, eax
		66	mov [esp], edx
1894	serge	67
2288	clevermous	68	mov ecx, [ecx]
		69	mov edx, [edx]
		70	call __L1OutCode
		71
		72	mov esi, eax
		73	mov edx, [esp+28]
1894	serge	74
2288	clevermous	75	.L21:
		76	mov eax, [esp+24]
		77	mov edx, [eax]
1894	serge	78	mov eax, ebx
2288	clevermous	79	call __L1OutCode
		80
		81	mov edi, eax
		82	.L20:
1894	serge	83
2288	clevermous	84	and eax, esi
1894	serge	85	jne .L9
2288	clevermous	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
		94	.L11:
		95	test edi, 2
		96	je .L13
1894	serge	97	mov eax, [ebx+12]
2288	clevermous	98	.L25:
		99	mov edx, [esp+28]
		100	jmp .L22
1894	serge	101	.L13:
2288	clevermous	102	test edi, 4
		103	je .L14
1894	serge	104	mov eax, [ebx+8]
2288	clevermous	105	jmp .L26
		106	.L14:
		107	and edi, 8
		108	je .L12
1894	serge	109	mov eax, [ebx]
2288	clevermous	110	.L26:
		111	mov edx, [esp+24]
		112	.L22:
1894	serge	113	mov [edx], eax
2288	clevermous	114	.L12:
1894	serge	115	mov eax, [esp+28]
2288	clevermous	116	mov ecx, [eax]
1894	serge	117	jmp .L21
2288	clevermous	118	.L10:
		119	test esi, 1
		120	je .L16
1894	serge	121	mov eax, [ebx+4]
2288	clevermous	122	jmp .L23
		123	.L16:
		124	test esi, 2
		125	je .L18
1894	serge	126	mov eax, [ebx+12]
2288	clevermous	127	.L23:
		128	mov [ebp+0], eax
		129	jmp .L17
1894	serge	130	.L18:
2288	clevermous	131	test esi, 4
		132	je .L19
1894	serge	133	mov eax, [ebx+8]
2288	clevermous	134	jmp .L24
		135	.L19:
		136	and esi, 8
		137	je .L17
1894	serge	138	mov eax, [ebx]
2288	clevermous	139	.L24:
		140	mov edx, [esp]
		141	mov [edx], eax
1894	serge	142	.L17:
2288	clevermous	143	mov ecx, [ebp+0]
		144	mov eax, [esp]
1894	serge	145	mov edx, [eax]
2288	clevermous	146	mov eax, ebx
		147	call __L1OutCode
		148	mov esi, eax
		149	jmp .L20
		150	.L9:
		151	add esp, 4
		152	pop ebx
1894	serge	153	pop esi
2288	clevermous	154	pop edi
		155	pop ebp
		156	ret
		157
		158	align 4
1894	serge	159	blit_clip:
		160
		161	.sx0 equ 36
		162	.sy0 equ 32
		163
		164	.sy1 equ 24
		165
		166	.dx0 equ 20
		167	.dy0 equ 16
		168
		169	.dy1 equ 8
		170
		171
		172	push edi
		173
		174
2288	clevermous	175	sub esp, 40
		176
		177	mov ebx, ecx
		178	mov edx, [ecx+BLITTER.src_x]
1894	serge	179
2288	clevermous	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
		188
		189	lea ecx, [esp+.sy0]
		190	lea edx, [esp+.sx0]
1894	serge	191
2288	clevermous	192	lea esi, [esp+.sy1]
		193
		194	mov [esp+4], esi
		195	lea esi, [esp+.sx1]
1894	serge	196
2288	clevermous	197	call block_clip
		198
		199	mov esi, 1
		200	test eax, eax
1894	serge	201
2288	clevermous	202
		203	mov edi, [esp+.sx0]
		204	mov edx, [ebx+BLITTER.dst_x]
1894	serge	205
2288	clevermous	206	sub edx, [ebx+BLITTER.src_x]
		207	mov [esp+.dx0], edx
		208
		209	mov ecx, [esp+.sy0]
		210	mov eax, [ebx+BLITTER.dst_y]
1894	serge	211
2288	clevermous	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
		217
		218	sub eax, ecx
		219	add eax, [esp+.sy1]
1894	serge	220
2288	clevermous	221
		222	lea ecx, [esp+.dy0]
		223	lea edx, [esp+.dx0]
1894	serge	224
2288	clevermous	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
		232
		233	mov edx, [esp+.dx0]
		234	mov eax, [esp+.dx1]
1894	serge	235
2288	clevermous	236	sub eax, edx
		237	mov [ebx+BLITTER.w], eax
		238
		239	mov eax, [esp+.dy0]
		240	mov ecx, [esp+.dy1]
1894	serge	241
2288	clevermous	242	sub ecx, eax
		243	mov [ebx+BLITTER.h], ecx
		244
		245	mov ecx, [ebx+BLITTER.src_x]
		246	add ecx, edx
1894	serge	247
2288	clevermous	248	mov [ebx+BLITTER.src_x], ecx
		249
		250	mov ecx, [ebx+BLITTER.src_y]
		251	add ecx, eax
1894	serge	252
2288	clevermous	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
		257	.L28:
		258	mov eax, esi
		259	add esp, 40
1894	serge	260	pop ebx
2288	clevermous	261	pop esi
		262	pop edi
		263
		264
		265	purge .sx0
1894	serge	266
		267
		268	purge .sy1
		269
		270	purge .dx0
		271	purge .dy0
		272
		273	purge .dy1
		274
		275	ret
		276
		277
		278
		279
		280
		281
		282	push ebp
		283
		284	push esi
2288	clevermous	285	push ebx
		286	sub esp, 72
		287
		288	mov eax, [TASK_BASE]
		289	mov ebx, [eax-twdw + WDATA.box.width]
1894	serge	290
2288	clevermous	291
		292	xor eax, eax
		293
1894	serge	294
2288	clevermous	295	mov [esp+BLITTER.dc.ymin], eax
1894	serge	296
2288	clevermous	297	mov [esp+BLITTER.dc.ymax], edx
		298
		299	mov [esp+BLITTER.sc.xmin], eax
		300	mov [esp+BLITTER.sc.ymin], eax
1894	serge	301
2288	clevermous	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
		307
		308	mov eax, [ecx]
		309	mov [esp+BLITTER.dst_x], eax
1894	serge	310
2288	clevermous	311	mov [esp+BLITTER.dst_y], eax
		312
		313	mov eax, [ecx+16]
		314	mov [esp+BLITTER.src_x], eax
1894	serge	315
2288	clevermous	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
		321
		322
		323	mov eax, [ecx+32]
1894	serge	324
		325
2288	clevermous	326	mov [esp+60], eax
		327
		328	mov ecx, esp
		329	call blit_clip
1894	serge	330
2288	clevermous	331	jne .L57
		332
		333	inc [mouse_pause]
		334	call [_display.disable_mouse]
1894	serge	335
2288	clevermous	336	mov eax, [TASK_BASE]
		337
1894	serge	338
2288	clevermous	339	mov ebp, [esp+BLITTER.dst_y]
1894	serge	340
2288	clevermous	341	add ebp, [eax-twdw + WDATA.box.top]
		342	mov edi, ebp
		343
		344	imul edi, [_display.pitch]
		345	imul ebp, [_display.width]
1894	serge	346
2288	clevermous	347	add ebp, [_WinMapAddress]
		348
		349	mov eax, [esp+BLITTER.src_y]
		350	imul eax, [esp+BLITTER.stride]
1894	serge	351
2288	clevermous	352	lea esi, [eax+esi*4]
		353	add esi, [esp+BLITTER.bitmap]
		354
		355	mov ecx, [esp+BLITTER.h]
		356	mov edx, [esp+BLITTER.w]
1894	serge	357
2288	clevermous	358	test ecx, ecx ;FIXME check clipping
		359	jz .L57
1894	serge	360
2288	clevermous	361	test edx, edx
		362	jz .L57
1894	serge	363
2288	clevermous	364	cmp [_display.bpp], 32
		365	jne .core_24
1894	serge	366
2288	clevermous	367	lea edi, [edi+ebx*4]
		368
1894	serge	369
2288	clevermous	370
1894	serge	371
2288	clevermous	372	.outer32:
1894	serge	373
		374
		375	align 4
2288	clevermous	376	.inner32:
1894	serge	377
		378	jne @F
		379
2288	clevermous	380	mov eax, [esi+ecx*4]
		381	mov [LFB_BASE+edi+ecx*4], eax
1894	serge	382
2288	clevermous	383	inc ecx
		384	dec edx
1894	serge	385	jnz .inner32
2288	clevermous	386
		387	add esi, [esp+BLITTER.stride]
		388	add edi, [_display.pitch]
1894	serge	389
2288	clevermous	390
		391	mov edx, [esp+BLITTER.w]
		392	dec [esp+BLITTER.h]
1894	serge	393
2288	clevermous	394
		395	.done:
		396	dec [mouse_pause]
1894	serge	397
		398	.L57:
2288	clevermous	399	add esp, 72
		400	pop ebx
1894	serge	401	pop esi
2288	clevermous	402	pop edi
		403	pop ebp
		404	ret
		405
		406	.core_24:
1894	serge	407	lea ebx, [ebx+ebx*2]
		408
		409	mov ebx, [CURRENT_TASK]
2288	clevermous	410
		411	align 4
		412	.outer24:
1894	serge	413
		414	xor ecx, ecx
		415
2288	clevermous	416	align 4
		417	.inner24:
1894	serge	418
		419	jne @F
		420
2288	clevermous	421	mov eax, [esi+ecx*4]
		422
1894	serge	423
2288	clevermous	424	mov [edi+ecx], ax
1894	serge	425
2288	clevermous	426	mov [edi+ecx+2], al
		427	@@:
		428	mov edi, [esp+64]
		429	inc ecx
1894	serge	430	dec edx
2288	clevermous	431	jnz .inner24
		432
		433	add esi, [esp+BLITTER.stride]
		434	add edi, [_display.pitch]
1894	serge	435
2288	clevermous	436
		437	mov edx, [esp+BLITTER.w]
		438	dec [esp+BLITTER.h]
1894	serge	439
2288	clevermous	440
		441	jmp .done
		442

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(root)/kernel/trunk/video/blitter.inc – Rev 2288