WebSVN – Kolibri OS – Blame – /kernel/trunk/gui/background.inc

Rev	Author	Line No.	Line
9487	rgimad	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2021. All rights reserved. ;;
		4	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
		5	;; Distributed under terms of the GNU General Public License ;;
		6	;; ;;
		7	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		8
9488	rgimad	9	$Revision: 9488 $
9487	rgimad	10
		11	; Background graphics implementation
		12
		13	uglobal
		14	; bgrchanged dd 0x0
		15	align 4
		16	bgrlockpid dd 0
		17	bgrlock db 0
		18	endg
		19	;--------------------------------------
		20	align 4
		21	sys_background:
		22	cmp ebx, 1 ; BACKGROUND SIZE
		23	jnz nosb1
		24	test ecx, ecx
		25	jz sbgrr
		26
		27	test edx, edx
		28	jz sbgrr
		29	;--------------------------------------
		30	align 4
		31	@@:
		32	;;Maxis use atomic bts for mutexes 4.4.2009
		33	bts dword [bgrlock], 0
		34	jnc @f
		35	call change_task
		36	jmp @b
		37	;--------------------------------------
		38	align 4
		39	@@:
		40	mov [BgrDataWidth], ecx
		41	mov [BgrDataHeight], edx
		42	; mov [bgrchanged],1
		43
		44	pushad
		45	; return memory for old background
		46	mov eax, [img_background]
		47	cmp eax, static_background_data
		48	jz @f
		49	stdcall kernel_free, eax
		50	;--------------------------------------
		51	align 4
		52	@@:
		53	; calculate RAW size
		54	xor eax, eax
		55	inc eax
		56	cmp [BgrDataWidth], eax
		57	jae @f
		58	mov [BgrDataWidth], eax
		59	;--------------------------------------
		60	align 4
		61	@@:
		62	cmp [BgrDataHeight], eax
		63	jae @f
		64	mov [BgrDataHeight], eax
		65	;--------------------------------------
		66	align 4
		67	@@:
		68	mov eax, [BgrDataWidth]
		69	imul eax, [BgrDataHeight]
		70	lea eax, [eax*3]
		71	; it is reserved with aligned to the boundary of 4 KB pages,
		72	; otherwise there may be exceptions a page fault for vesa20_drawbackground_tiled
		73	; because the 32 bit read is used for high performance: "mov eax,[esi]"
		74	shr eax, 12
		75	inc eax
		76	shl eax, 12
		77	mov [mem_BACKGROUND], eax
		78	; get memory for new background
		79	stdcall kernel_alloc, eax
		80	test eax, eax
		81	jz .memfailed
		82	mov [img_background], eax
		83	jmp .exit
		84	;--------------------------------------
		85	align 4
		86	.memfailed:
		87	; revert to static monotone data
		88	mov [img_background], static_background_data
		89	xor eax, eax
		90	inc eax
		91	mov [BgrDataWidth], eax
		92	mov [BgrDataHeight], eax
		93	mov [mem_BACKGROUND], 4
		94	;--------------------------------------
		95	align 4
		96	.exit:
		97	popad
		98	mov [bgrlock], 0
		99	;--------------------------------------
		100	align 4
		101	sbgrr:
		102	ret
		103	;--------------------------------------
		104	align 4
		105	nosb1:
		106	cmp ebx, 2 ; SET PIXEL
		107	jnz nosb2
		108
		109	mov eax, [img_background]
		110	test ecx, ecx
		111	jz @f
		112	cmp eax, static_background_data
		113	jz .ret
		114	;--------------------------------------
		115	align 4
		116	@@:
		117	mov ebx, [mem_BACKGROUND]
		118	add ebx, 4095
		119	and ebx, -4096
		120	sub ebx, 4
		121	cmp ecx, ebx
		122	ja .ret
		123
		124	mov ebx, [eax+ecx]
		125	and ebx, 0xFF000000;255256256*256
		126	and edx, 0x00FFFFFF;255256256+255*256+255
		127	add edx, ebx
		128	mov [eax+ecx], edx
		129	;--------------------------------------
		130	align 4
		131	.ret:
		132	ret
		133	;--------------------------------------
		134	align 4
		135	nosb2:
		136	cmp ebx, 3 ; DRAW BACKGROUND
		137	jnz nosb3
		138	;--------------------------------------
		139	align 4
		140	draw_background_temp:
		141	mov [background_defined], 1
		142	call force_redraw_background
		143	;--------------------------------------
		144	align 4
		145	nosb31:
		146	ret
		147	;--------------------------------------
		148	align 4
		149	nosb3:
		150	cmp ebx, 4 ; TILED / STRETCHED
		151	jnz nosb4
		152	cmp ecx, [BgrDrawMode]
		153	je nosb41
		154	mov [BgrDrawMode], ecx
		155	;--------------------------------------
		156	align 4
		157	nosb41:
		158	ret
		159	;--------------------------------------
		160	align 4
		161	nosb4:
		162	cmp ebx, 5 ; BLOCK MOVE TO BGR
		163	jnz nosb5
		164
		165	; add check pointer
		166	stdcall is_region_userspace, ecx, esi
		167	jnz .fin
		168
		169	cmp [img_background], static_background_data
		170	jnz @f
		171	test edx, edx
		172	jnz .fin
		173	cmp esi, 4
		174	ja .fin
		175	;--------------------------------------
		176	align 4
		177	@@:
		178	; bughere
		179	mov eax, ecx
		180	mov ebx, edx
		181	add ebx, [img_background];IMG_BACKGROUND
		182	mov ecx, esi
		183	call memmove
		184	;--------------------------------------
		185	align 4
		186	.fin:
		187	ret
		188	;---------------------------------------
		189	align 4
		190	nosb5:
		191	cmp ebx, 6
		192	jnz nosb6
		193	;--------------------------------------
		194	align 4
		195	;;Maxis use atomic bts for mutex 4.4.2009
		196	@@:
		197	bts dword [bgrlock], 0
		198	jnc @f
		199	call change_task
		200	jmp @b
		201	;--------------------------------------
		202	align 4
		203	@@:
		204	mov eax, [current_slot_idx]
		205	mov [bgrlockpid], eax
		206	cmp [img_background], static_background_data
		207	jz .nomem
		208	stdcall user_alloc, [mem_BACKGROUND]
		209	mov [esp+32], eax
		210	test eax, eax
		211	jz .nomem
		212	mov ebx, eax
		213	shr ebx, 12
		214	or dword [page_tabs+(ebx-1)*4], MEM_BLOCK_DONT_FREE
		215	mov esi, [img_background]
		216	shr esi, 12
		217	mov ecx, [mem_BACKGROUND]
		218	add ecx, 0xFFF
		219	shr ecx, 12
		220	;--------------------------------------
		221	align 4
		222	.z:
		223	mov eax, [page_tabs+ebx*4]
		224	test al, 1
		225	jz @f
		226	call free_page
		227	;--------------------------------------
		228	align 4
		229	@@:
		230	mov eax, [page_tabs+esi*4]
		231	or al, PG_UWR
		232	mov [page_tabs+ebx*4], eax
		233	mov eax, ebx
		234	shl eax, 12
		235	invlpg [eax]
		236	inc ebx
		237	inc esi
		238	loop .z
		239	ret
		240	;--------------------------------------
		241	align 4
		242	.nomem:
		243	and [bgrlockpid], 0
		244	mov [bgrlock], 0
		245	;--------------------------------------
		246	align 4
		247	nosb6:
		248	cmp ebx, 7
		249	jnz nosb7
		250	cmp [bgrlock], 0
		251	jz .err
		252	mov eax, [current_slot_idx]
		253	cmp [bgrlockpid], eax
		254	jnz .err
		255	mov eax, ecx
		256	mov ebx, ecx
		257	shr eax, 12
		258	mov ecx, [page_tabs+(eax-1)*4]
		259	test cl, MEM_BLOCK_USED or MEM_BLOCK_DONT_FREE
		260	jz .err
		261	jnp .err
		262	push eax
		263	shr ecx, 12
		264	dec ecx
		265	;--------------------------------------
		266	align 4
		267	@@:
		268	and dword [page_tabs+eax*4], 0
		269	mov edx, eax
		270	shl edx, 12
		271	push eax
		272	invlpg [edx]
		273	pop eax
		274	inc eax
		275	loop @b
		276	pop eax
		277	and dword [page_tabs+(eax-1)*4], not MEM_BLOCK_DONT_FREE
		278	stdcall user_free, ebx
		279	mov [esp+32], eax
		280	and [bgrlockpid], 0
		281	mov [bgrlock], 0
		282	ret
		283	;--------------------------------------
		284	align 4
		285	.err:
		286	and dword [esp+32], 0
		287	ret
		288	;-------------------------------------
		289	align 4
		290	nosb7:
		291	cmp ebx, 8
		292	jnz nosb8
		293
		294	mov ecx, [current_slot]
		295	xor eax, eax
		296	xchg eax, [ecx+APPDATA.draw_bgr_x]
		297	mov [esp + 32], eax ; eax = [left]*65536 + [right]
		298	xor eax, eax
		299	xchg eax, [ecx+APPDATA.draw_bgr_y]
		300	mov [esp + 20], eax ; ebx = [top]*65536 + [bottom]
		301	ret
		302	;---------------------------------------
		303	align 4
		304	nosb8:
		305	cmp ebx, 9
		306	jnz nosb9
		307	; ecx = [left]*65536 + [right]
		308	; edx = [top]*65536 + [bottom]
		309	mov eax, [_display.width]
		310	mov ebx, [_display.height]
		311	; check [right]
		312	cmp cx, ax
		313	jae .exit
		314	; check [left]
		315	ror ecx, 16
		316	cmp cx, ax
		317	jae .exit
		318	; check [bottom]
		319	cmp dx, bx
		320	jae .exit
		321	; check [top]
		322	ror edx, 16
		323	cmp dx, bx
		324	jae .exit
		325
		326	movzx eax, cx ; [left]
		327	movzx ebx, dx ; [top]
		328
		329	shr ecx, 16 ; [right]
		330	shr edx, 16 ; [bottom]
		331
		332	mov [background_defined], 1
		333
		334	mov [draw_data+32 + RECT.left], eax
		335	mov [draw_data+32 + RECT.top], ebx
		336
		337	mov [draw_data+32 + RECT.right], ecx
		338	mov [draw_data+32 + RECT.bottom], edx
		339
		340	inc [REDRAW_BACKGROUND]
		341	call wakeup_osloop
		342	;--------------------------------------
		343	align 4
		344	.exit:
		345	ret
		346	;--------------------------------------
		347	align 4
		348	nosb9:
		349	ret
		350	;------------------------------------------------------------------------------
		351
		352
		353	align 4
		354	uglobal
		355	BG_Rect_X_left_right dd 0x0
		356	BG_Rect_Y_top_bottom dd 0x0
		357	endg
		358	;------------------------------------------------------------------------------
		359
		360
		361	align 4
		362	force_redraw_background:
		363	and [draw_data+32 + RECT.left], 0
		364	and [draw_data+32 + RECT.top], 0
		365	push eax ebx
		366	mov eax, [_display.width]
		367	mov ebx, [_display.height]
		368	dec eax
		369	dec ebx
		370	mov [draw_data+32 + RECT.right], eax
		371	mov [draw_data+32 + RECT.bottom], ebx
		372	pop ebx eax
		373	inc [REDRAW_BACKGROUND]
		374	call wakeup_osloop
		375	ret
		376	;------------------------------------------------------------------------------
		377
		378
		379	align 4
		380	sys_getbackground: ; sysfn 39
		381	dec ebx
		382	jnz .nogb1
		383	; sysfn 39.1:
		384	mov eax, [BgrDataWidth]
		385	shl eax, 16
		386	mov ax, word [BgrDataHeight]
		387	mov [esp+32], eax
		388	ret
		389	;---------------------------------------
		390	align 4
		391	.nogb1:
		392	dec ebx
		393	jnz .nogb2
		394	; sysfn 39.2:
		395	mov eax, [img_background]
		396	test ecx, ecx
		397	jz @f
		398	cmp eax, static_background_data
		399	jz .ret
		400	align 4
		401	@@:
		402	mov ebx, [mem_BACKGROUND]
		403	add ebx, 4095
		404	and ebx, -4096
		405	sub ebx, 4
		406	cmp ecx, ebx
		407	ja .ret
		408
		409	mov eax, [ecx+eax]
		410
		411	and eax, 0xFFFFFF
		412	mov [esp+32], eax
		413	align 4
		414	.ret:
		415	ret
		416	;------------------------------------------------------------------------------
		417	align 4
		418	.x dd ?
		419	.y dd ?
		420	.w dd ?
		421	.h dd ?
		422	.subrect_startptr dd ?
		423	.subrect_bytes dd ?
		424	align 4
		425	.nogb2:
		426	dec ebx
		427	jnz .nogb3
		428	; sysfn 39.3 read background subrect to buffer
		429	; ecx -
		430	; edx -
		431	; esi - buffer of 0x00RRGGBB
		432	mov eax, [img_background]
		433	cmp eax, static_background_data
		434	jz .ret_39_3
		435	align 4
		436	@@:
		437	movzx eax, cx ; store y in eax
		438	mov [.y], eax
		439
		440	shr ecx, 16 ; ecx = x
		441	mov [.x], ecx
		442
		443	imul eax, [BgrDataWidth]
		444	add eax, ecx
		445	imul eax, 3
		446	mov [.subrect_startptr], eax
		447
		448	movzx eax, dx ; store h in eax
		449	mov [.h], eax
		450
		451	shr edx, 16 ; edx = w
		452	mov [.w], edx
		453
		454	imul eax, edx
		455	mov [.subrect_bytes], eax
		456
		457	; check bounds
		458	mov ebx, [mem_BACKGROUND]
		459	add ebx, 4095
		460	and ebx, -4096
		461	sub ebx, 4
		462	add eax, [.subrect_startptr]
		463	cmp eax, ebx
		464	ja .fail_39_3
		465
		466	; copy contents
		467	mov edi, [img_background]
		468	xor ecx, ecx ; ecx - row index
		469	.copy_rect:
		470	cmp ecx, [.h]
		471	jae .end_copy_rect
		472
		473	xor edx, edx ; edx - column index
		474	.copy_row:
		475	cmp edx, [.w]
		476	jae .end_copy_row
		477
		478	mov ebx, ecx
		479	imul ebx, [BgrDataWidth]
		480	add ebx, edx
		481	imul ebx, 3
		482	add ebx, [.subrect_startptr]
		483	mov eax, [edi + ebx]
		484	mov ebx, ecx
		485	imul ebx, [.w]
		486	add ebx, edx
		487	and eax, 0xFFFFFF
		488	mov [esi + ebx*4], eax
		489
		490	inc edx
		491	jmp .copy_row
		492	.end_copy_row:
		493
		494	inc ecx
		495	jmp .copy_rect
		496	.end_copy_rect:
		497	xor eax, eax
		498	mov [esp+32], eax
		499	;--------------------------------------
		500	align 4
		501	.fail_39_3:
		502	mov eax, -1
		503	align 4
		504	.ret_39_3:
		505	ret
		506	;--------------------------------------
		507	align 4
		508	.nogb3:
		509	dec ebx
		510	jnz .nogb4
		511	; sysfn 39.4:
		512	mov eax, [BgrDrawMode]
		513	;--------------------------------------
		514	align 4
		515	.nogb4:
		516	mov [esp+32], eax
		517	ret
		518	;-----------------------------------------------------------------------------
		519
		520
		521	align 4
		522	syscall_putarea_backgr: ; sysfn 25
		523	;eax = 25
		524	;ebx = pointer to bufer for img BBGGRRBBGGRR...
		525	;ecx = [size x]*65536 + [size y]
		526	;edx = [start x]*65536 + [start y]
		527	pushad
		528	mov edi, ebx
		529	mov eax, edx
		530	shr eax, 16
		531	mov ebx, edx
		532	and ebx, 0xffff
		533	dec eax
		534	dec ebx
		535	; eax - x, ebx - y
		536	mov edx, ecx
		537	shr ecx, 16
		538	and edx, 0xffff
		539	mov esi, ecx
		540	; ecx - size x, edx - size y
		541	mov ebp, edx
		542
		543	lea ebp, [ebp*4]
		544	imul ebp, esi
		545	stdcall is_region_userspace, edi, ebp
		546	jnz .exit
		547
		548	mov ebp, edx
		549
		550	dec ebp
		551	shl ebp, 2
		552
		553	imul ebp, esi
		554
		555	mov esi, ecx
		556	dec esi
		557	shl esi, 2
		558
		559	add ebp, esi
		560	add ebp, edi
		561
		562	add ebx, edx
		563	;--------------------------------------
		564	align 4
		565	.start_y:
		566	push ecx edx
		567	;--------------------------------------
		568	align 4
		569	.start_x:
		570	push eax ecx
		571	add eax, ecx
		572
		573	mov ecx, [ebp]
		574	rol ecx, 8
		575	test cl, cl ; transparensy = 0
		576	jz .no_put
		577
		578	xor cl, cl
		579	ror ecx, 8
		580
		581	pushad
		582	mov edx, [d_width_calc_area + ebx*4]
		583	add edx, [_display.win_map]
		584	movzx edx, byte [eax+edx]
		585	cmp dl, byte 1
		586	jne @f
		587
		588	call dword [PUTPIXEL]; eax - x, ebx - y
		589	;--------------------------------------
		590	align 4
		591	@@:
		592	popad
		593	;--------------------------------------
		594	align 4
		595	.no_put:
		596	pop ecx eax
		597
		598	sub ebp, 4
		599	dec ecx
		600	jnz .start_x
		601
		602	pop edx ecx
		603	dec ebx
		604	dec edx
		605	jnz .start_y
		606
		607	.exit:
		608	popad
		609	ret
		610

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(root)/kernel/trunk/gui/background.inc – Rev 9488