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

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

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(root)/kernel/trunk/video/blitter.inc @ 7474 – Rev 2384