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

Rev	Author	Line No.	Line
2455	mario79	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
4850	mario79	3	;; Copyright (C) KolibriOS team 2011-2014. All rights reserved. ;;
2455	mario79	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1894	serge	7
4850	mario79	8	$Revision: 5164 $
		9
		10
2384	hidnplayr	11	struct BLITTER_BLOCK
		12	xmin dd ?
		13	ymin dd ?
		14	xmax dd ?
		15	ymax dd ?
		16	ends
1894	serge	17
		18
2384	hidnplayr	19	struct BLITTER
2988	Serge	20	dc RECT
		21	sc RECT
2384	hidnplayr	22	dst_x dd ? ; 32
		23	dst_y dd ? ; 36
		24	src_x dd ? ; 40
		25	src_y dd ? ; 44
		26	w dd ? ; 48
		27	h dd ? ; 52
1894	serge	28
2384	hidnplayr	29	bitmap dd ? ; 56
		30	stride dd ? ; 60
		31	ends
1894	serge	32
		33
2988	Serge	34
1894	serge	35	align 4
2988	Serge	36	block_clip:
		37	;esi= clip RECT ptr
		38	;edi= RECT ptr
		39	;return code:
		40	;eax= 0 - draw, 1 - don't draw
1894	serge	41
2288	clevermous	42	push ebx
1894	serge	43
2988	Serge	44	mov eax, [edi+RECT.left]
		45	mov ebx, [edi+RECT.right]
		46	mov ecx, [esi+RECT.left] ;clip.left
		47	mov edx, [esi+RECT.right] ;clip.right
1894	serge	48
2988	Serge	49	cmp eax, edx ;left >= clip.right
		50	jge .fail
1894	serge	51
2988	Serge	52	cmp ebx, ecx ;right < clip.left
		53	jl .fail
1894	serge	54
2988	Serge	55	cmp eax, ecx ;left >= clip.left
		56	jae @F
1894	serge	57
2988	Serge	58	mov eax, ecx
		59	@@:
		60	mov [edi+RECT.left], eax
		61
		62	cmp ebx, edx ;right <= clip.right
		63	jle @f
		64	mov ebx, edx
		65	@@:
		66	mov [edi+RECT.right], ebx
		67
		68	mov eax, [edi+RECT.top]
		69	mov ebx, [edi+RECT.bottom]
		70	mov ecx, [esi+RECT.top] ;clip.top
		71	mov edx, [esi+RECT.bottom] ;clip.bottom
		72
		73	cmp eax, edx ;top >= clip.bottom
		74	jge .fail
		75
		76	cmp ebx, ecx ;bottom < clip.top
		77	jl .fail
		78
		79	cmp eax, ecx ;top >= clip.top
		80	jae @F
		81
		82	mov eax, ecx
		83	@@:
		84	mov [edi+RECT.top], eax
		85
		86	cmp ebx, edx ;bottom <= clip.bottom
		87	jle @f
		88	mov ebx, edx
		89	@@:
		90	mov [edi+RECT.bottom], ebx
2288	clevermous	91	pop ebx
2988	Serge	92	xor eax, eax
1894	serge	93	ret
2988	Serge	94	.fail:
		95	pop ebx
		96	mov eax, 1
		97	ret
1894	serge	98
2988	Serge	99
1894	serge	100	align 4
		101	blit_clip:
		102
2988	Serge	103	.sx0 equ 8
		104	.sy0 equ 12
		105	.sx1 equ 16
		106	.sy1 equ 20
1894	serge	107
2988	Serge	108	.dx0 equ 24
		109	.dy0 equ 28
		110	.dx1 equ 32
		111	.dy1 equ 36
1894	serge	112
		113
2288	clevermous	114	push edi
		115	push esi
		116	push ebx
		117	sub esp, 40
1894	serge	118
2288	clevermous	119	mov ebx, ecx
		120	mov edx, [ecx+BLITTER.src_x]
		121	mov [esp+.sx0], edx
		122	mov eax, [ecx+BLITTER.src_y]
		123	mov [esp+.sy0], eax
		124	add edx, [ecx+BLITTER.w]
2988	Serge	125	add eax, [ecx+BLITTER.h]
2288	clevermous	126	mov [esp+.sx1], edx
		127	mov [esp+.sy1], eax
1894	serge	128
2988	Serge	129	lea edi, [esp+.sx0]
		130	lea esi, [ebx+BLITTER.sc]
1894	serge	131
2288	clevermous	132	call block_clip
2988	Serge	133	test eax, eax
2288	clevermous	134	mov esi, 1
2988	Serge	135	jnz .done
1894	serge	136
2288	clevermous	137	mov edi, [esp+.sx0]
		138	mov edx, [ebx+BLITTER.dst_x]
		139	add edx, edi
		140	sub edx, [ebx+BLITTER.src_x]
		141	mov [esp+.dx0], edx
1894	serge	142
2288	clevermous	143	mov ecx, [esp+.sy0]
		144	mov eax, [ebx+BLITTER.dst_y]
		145	add eax, ecx
		146	sub eax, [ebx+BLITTER.src_y]
		147	mov [esp+.dy0], eax
2988	Serge	148
2288	clevermous	149	sub edx, edi
		150	add edx, [esp+.sx1]
		151	mov [esp+.dx1], edx
1894	serge	152
2288	clevermous	153	sub eax, ecx
		154	add eax, [esp+.sy1]
		155	mov [esp+.dy1], eax
1894	serge	156
2988	Serge	157	lea edi, [esp+.dx0]
		158	lea esi, [ebx+BLITTER.dc]
2288	clevermous	159	call block_clip
		160	test eax, eax
2988	Serge	161	mov esi, 1
		162	jnz .done
1894	serge	163
2288	clevermous	164	mov edx, [esp+.dx0]
		165	mov eax, [esp+.dx1]
		166	sub eax, edx
		167	mov [ebx+BLITTER.w], eax
1894	serge	168
2288	clevermous	169	mov eax, [esp+.dy0]
		170	mov ecx, [esp+.dy1]
		171	sub ecx, eax
		172	mov [ebx+BLITTER.h], ecx
1894	serge	173
2288	clevermous	174	mov ecx, [ebx+BLITTER.src_x]
		175	add ecx, edx
		176	sub ecx, [ebx+BLITTER.dst_x]
		177	mov [ebx+BLITTER.src_x], ecx
1894	serge	178
2288	clevermous	179	mov ecx, [ebx+BLITTER.src_y]
		180	add ecx, eax
		181	sub ecx, [ebx+BLITTER.dst_y]
		182	mov [ebx+BLITTER.src_y], ecx
		183	mov [ebx+BLITTER.dst_x], edx
		184	mov [ebx+BLITTER.dst_y], eax
		185	xor esi, esi
2988	Serge	186	.done:
2288	clevermous	187	mov eax, esi
		188	add esp, 40
		189	pop ebx
		190	pop esi
		191	pop edi
1894	serge	192
		193
		194	purge .sx0
		195	purge .sy0
		196	purge .sx1
		197	purge .sy1
		198
		199	purge .dx0
		200	purge .dy0
		201	purge .dx1
		202	purge .dy1
		203
		204	ret
		205
		206	align 4
		207	blit_32:
2288	clevermous	208	push ebp
		209	push edi
		210	push esi
		211	push ebx
4444	clevermous	212	virtual at sizeof.BLITTER
		213	.position dd ? ; (x shl 16) + y
		214	; ???
		215	.extra_var1 dd ?
		216	.local_vars_size = $
		217	end virtual
		218	sub esp, .local_vars_size
1894	serge	219
2288	clevermous	220	mov eax, [TASK_BASE]
		221	mov ebx, [eax-twdw + WDATA.box.width]
		222	mov edx, [eax-twdw + WDATA.box.height]
2988	Serge	223	inc ebx
		224	inc edx
1894	serge	225
2288	clevermous	226	xor eax, eax
1894	serge	227
2988	Serge	228	mov [esp+BLITTER.dc.left], eax
		229	mov [esp+BLITTER.dc.top], eax
		230	mov [esp+BLITTER.dc.right], ebx
		231	mov [esp+BLITTER.dc.bottom], edx
1894	serge	232
2988	Serge	233	mov [esp+BLITTER.sc.left], eax
		234	mov [esp+BLITTER.sc.top], eax
2288	clevermous	235	mov eax, [ecx+24]
2988	Serge	236
		237	mov [esp+BLITTER.sc.right], eax
2288	clevermous	238	mov eax, [ecx+28]
1894	serge	239
2988	Serge	240	mov [esp+BLITTER.sc.bottom], eax
		241
2288	clevermous	242	mov eax, [ecx]
		243	mov [esp+BLITTER.dst_x], eax
		244	mov eax, [ecx+4]
		245	mov [esp+BLITTER.dst_y], eax
1894	serge	246
2288	clevermous	247	mov eax, [ecx+16]
		248	mov [esp+BLITTER.src_x], eax
		249	mov eax, [ecx+20]
		250	mov [esp+BLITTER.src_y], eax
		251	mov eax, [ecx+8]
		252	mov [esp+BLITTER.w], eax
		253	mov eax, [ecx+12]
		254	mov [esp+BLITTER.h], eax
1894	serge	255
		256
2288	clevermous	257	mov eax, [ecx+32]
4444	clevermous	258	mov [esp+BLITTER.bitmap], eax
2288	clevermous	259	mov eax, [ecx+36]
4444	clevermous	260	mov [esp+BLITTER.stride], eax
1894	serge	261
2288	clevermous	262	mov ecx, esp
		263	call blit_clip
		264	test eax, eax
		265	jne .L57
1894	serge	266
2288	clevermous	267	mov eax, [TASK_BASE]
1894	serge	268
2288	clevermous	269	mov ebx, [esp+BLITTER.dst_x]
		270	mov ebp, [esp+BLITTER.dst_y]
		271	add ebx, [eax-twdw + WDATA.box.left]
		272	add ebp, [eax-twdw + WDATA.box.top]
2430	mario79	273
		274	mov ecx, ebx
		275	add ecx, [esp+BLITTER.w]
		276	shl ecx, 16
		277	mov cx, bp
		278	add ecx, [esp+BLITTER.h]
		279
4444	clevermous	280	mov eax, ebx
		281	shl eax, 16
		282	mov ax, bp
		283	mov [esp+.position], eax
		284
2288	clevermous	285	mov edi, ebp
1894	serge	286
2480	mario79	287	; imul edi, [_display.pitch]
		288	mov edi, [BPSLine_calc_area+edi*4]
2446	mario79	289	; imul ebp, [_display.width]
2480	mario79	290	mov ebp, [d_width_calc_area+ebp*4]
2446	mario79	291
2288	clevermous	292	add ebp, ebx
		293	add ebp, [_WinMapAddress]
1894	serge	294
2288	clevermous	295	mov eax, [esp+BLITTER.src_y]
		296	imul eax, [esp+BLITTER.stride]
		297	mov esi, [esp+BLITTER.src_x]
		298	lea esi, [eax+esi*4]
		299	add esi, [esp+BLITTER.bitmap]
1894	serge	300
2430	mario79	301	mov eax, ecx
2288	clevermous	302	mov ecx, [esp+BLITTER.h]
		303	mov edx, [esp+BLITTER.w]
1894	serge	304
2288	clevermous	305	test ecx, ecx ;FIXME check clipping
		306	jz .L57
1894	serge	307
2288	clevermous	308	test edx, edx
		309	jz .L57
1894	serge	310
5154	hidnplayr	311	cmp [_display.bits_per_pixel], 32
2288	clevermous	312	jne .core_24
1894	serge	313
2288	clevermous	314	lea edi, [edi+ebx*4]
1894	serge	315
2288	clevermous	316	mov ebx, [CURRENT_TASK]
4444	clevermous	317	; check for hardware cursor
		318	cmp [_display.select_cursor], select_cursor
		319	je .core_32.software_cursor
		320	cmp [_display.select_cursor], 0
		321	jne .core_32.hardware_cursor
		322	;--------------------------------------
		323	.core_32.software_cursor:
1894	serge	324	align 4
		325	.outer32:
		326
		327	align 4
		328	.inner32:
4444	clevermous	329	cmp [ebp], bl
2449	mario79	330	jne .skip
2430	mario79	331	;--------------------------------------
4444	clevermous	332	mov eax, [esi]
1894	serge	333
4444	clevermous	334	mov ecx, [esp+.position]
2430	mario79	335
		336	; check mouse area for putpixel
		337	call [_display.check_mouse]
2448	mario79	338	;--------------------------------------
2430	mario79	339	; store to real LFB
4444	clevermous	340	mov [LFB_BASE+edi], eax
2430	mario79	341	;--------------------------------------
		342	align 4
2449	mario79	343	.skip:
4444	clevermous	344	add esi, 4
		345	add edi, 4
		346	inc ebp
		347	add [esp+.position], 1 shl 16
2288	clevermous	348	dec edx
		349	jnz .inner32
1894	serge	350
2288	clevermous	351	add esi, [esp+BLITTER.stride]
		352	add edi, [_display.pitch]
		353	add ebp, [_display.width]
1894	serge	354
2288	clevermous	355	mov edx, [esp+BLITTER.w]
4444	clevermous	356	mov eax, edx
		357	inc [esp+.position]
		358	sub ebp, edx
		359	shl eax, 2
		360	sub esi, eax
		361	sub edi, eax
		362	shl eax, 16-2
		363	sub [esp+.position], eax
2288	clevermous	364	dec [esp+BLITTER.h]
		365	jnz .outer32
4444	clevermous	366	jmp .done
		367	.core_32.hardware_cursor:
		368	align 4
		369	.hw.outer32:
		370	xor ecx, ecx
1894	serge	371
4444	clevermous	372	align 4
		373	.hw.inner32:
		374	cmp [ebp+ecx], bl
		375	jne .hw.skip
		376	mov eax, [esi+ecx*4]
		377	mov [LFB_BASE+edi+ecx*4], eax
		378
		379	align 4
		380	.hw.skip:
		381	inc ecx
		382	dec edx
		383	jnz .hw.inner32
		384
		385	add esi, [esp+BLITTER.stride]
		386	add edi, [_display.pitch]
		387	add ebp, [_display.width]
		388
		389	mov edx, [esp+BLITTER.w]
		390	dec [esp+BLITTER.h]
		391	jnz .hw.outer32
		392
1894	serge	393	.done:
2453	mario79	394	; call [draw_pointer]
2988	Serge	395	; call __sys_draw_pointer
1894	serge	396	.L57:
4444	clevermous	397	add esp, .local_vars_size
2288	clevermous	398	pop ebx
		399	pop esi
		400	pop edi
		401	pop ebp
1894	serge	402	ret
		403
		404	.core_24:
5161	hidnplayr	405	cmp [_display.bits_per_pixel], 24
		406	jne .core_16
		407
2288	clevermous	408	lea ebx, [ebx+ebx*2]
		409	lea edi, [LFB_BASE+edi+ebx]
		410	mov ebx, [CURRENT_TASK]
1894	serge	411
		412	align 4
		413	.outer24:
4444	clevermous	414	mov [esp+.extra_var1], edi
2288	clevermous	415	xor ecx, ecx
1894	serge	416
		417	align 4
		418	.inner24:
5161	hidnplayr	419	cmp [ebp+ecx], bl ; Does the process own this pixel?
2449	mario79	420	jne .skip_1
2430	mario79	421	;--------------------------------------
		422	push eax
2288	clevermous	423	mov eax, [esi+ecx*4]
1894	serge	424
2288	clevermous	425	lea edi, [edi+ecx*2]
2430	mario79	426
2448	mario79	427	; check for hardware cursor
2451	mario79	428	cmp [_display.select_cursor], select_cursor
		429	je @f
2448	mario79	430	cmp [_display.select_cursor], 0
		431	jne .no_mouseunder_1
		432	;--------------------------------------
		433	align 4
		434	@@:
2430	mario79	435	push ecx
		436
		437	mov ecx, [esp+4]
		438	ror ecx, 16
		439	sub ecx, edx
		440	rol ecx, 16
		441	sub ecx, [esp+BLITTER.h + 8]
		442
		443	; check mouse area for putpixel
		444	call [_display.check_mouse]
		445	pop ecx
2448	mario79	446	;--------------------------------------
		447	align 4
		448	.no_mouseunder_1:
2288	clevermous	449	mov [edi+ecx], ax
		450	shr eax, 16
		451	mov [edi+ecx+2], al
2430	mario79	452
		453	pop eax
		454	;--------------------------------------
		455	align 4
2449	mario79	456	.skip_1:
2288	clevermous	457	inc ecx
		458	dec edx
		459	jnz .inner24
1894	serge	460
2288	clevermous	461	add esi, [esp+BLITTER.stride]
5164	hidnplayr	462	mov edi, [esp+.extra_var1]
2288	clevermous	463	add edi, [_display.pitch]
		464	add ebp, [_display.width]
1894	serge	465
2288	clevermous	466	mov edx, [esp+BLITTER.w]
		467	dec [esp+BLITTER.h]
		468	jnz .outer24
1894	serge	469
2288	clevermous	470	jmp .done
5161	hidnplayr	471
		472
		473	.core_16:
		474	lea edi, [LFB_BASE+edi+ebx*2]
		475	mov ebx, [CURRENT_TASK]
		476
5164	hidnplayr	477	.outer16:
5161	hidnplayr	478	mov [esp+.extra_var1], edi
		479	xor ecx, ecx
		480
5164	hidnplayr	481	.inner16:
5161	hidnplayr	482	cmp [ebp+ecx], bl ; Does the process own this pixel?
		483	jne .skip_2
		484	;--------------------------------------
		485	push eax
		486	mov eax, [esi+ecx*4]
		487
		488	; check for hardware cursor
		489	cmp [_display.select_cursor], select_cursor
		490	je @f
		491	cmp [_display.select_cursor], 0
		492	jne .no_mouseunder_2
		493	;--------------------------------------
5164	hidnplayr	494	@@:
5161	hidnplayr	495	push ecx
		496
		497	mov ecx, [esp+4]
		498	ror ecx, 16
		499	sub ecx, edx
		500	rol ecx, 16
		501	sub ecx, [esp+BLITTER.h + 8]
		502
		503	; check mouse area for putpixel
		504	call [_display.check_mouse]
		505	pop ecx
		506	;--------------------------------------
5164	hidnplayr	507	.no_mouseunder_2:
5161	hidnplayr	508	; convert to 16 bpp and store to LFB
		509	and eax, 00000000111110001111110011111000b
		510	shr ah, 2
		511	shr ax, 3
		512	ror eax, 8
		513	add al, ah
		514	rol eax, 8
		515	mov [edi+ecx*2], ax
		516	pop eax
		517	;--------------------------------------
5164	hidnplayr	518	.skip_2:
5161	hidnplayr	519	inc ecx
		520	dec edx
		521	jnz .inner16
		522
		523	add esi, [esp+BLITTER.stride]
5164	hidnplayr	524	mov edi, [esp+.extra_var1]
5161	hidnplayr	525	add edi, [_display.pitch]
		526	add ebp, [_display.width]
		527
		528	mov edx, [esp+BLITTER.w]
		529	dec [esp+BLITTER.h]
		530	jnz .outer16
		531
		532	jmp .done
		533

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(root)/kernel/trunk/video/blitter.inc – Rev 5164