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

Rev	Author	Line No.	Line
9487	rgimad	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
9925	Doczom	3	;; Copyright (C) KolibriOS team 2004-2023. All rights reserved. ;;
9487	rgimad	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: 9925 $
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
9910	Doczom	23	jnz .nosb1
9487	rgimad	24	test ecx, ecx
9910	Doczom	25	jz .sbgrr
9487	rgimad	26
		27	test edx, edx
9910	Doczom	28	jz .sbgrr
9487	rgimad	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
9910	Doczom	101	.sbgrr:
9487	rgimad	102	ret
		103	;--------------------------------------
		104	align 4
9910	Doczom	105	.nosb1:
9487	rgimad	106	cmp ebx, 2 ; SET PIXEL
9910	Doczom	107	jnz .nosb2
9487	rgimad	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]
9910	Doczom	118	add ebx, PAGE_SIZE-1
		119	and ebx, -PAGE_SIZE
9487	rgimad	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
9910	Doczom	135	.nosb2:
9487	rgimad	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]
9910	Doczom	209	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	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
9910	Doczom	279	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	280	and [bgrlockpid], 0
		281	mov [bgrlock], 0
		282	ret
		283	;--------------------------------------
		284	align 4
		285	.err:
9910	Doczom	286	and dword [esp + SYSCALL_STACK.eax], 0
9487	rgimad	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
9910	Doczom	296	xchg eax, [ecx + APPDATA.draw_bgr_x]
		297	mov [esp + SYSCALL_STACK.eax], eax ; eax = [left]*65536 + [right]
9487	rgimad	298	xor eax, eax
9910	Doczom	299	xchg eax, [ecx + APPDATA.draw_bgr_y]
		300	mov [esp + SYSCALL_STACK.ebx], eax ; ebx = [top]*65536 + [bottom]
9487	rgimad	301	ret
		302	;---------------------------------------
		303	align 4
		304	nosb8:
		305	cmp ebx, 9
9910	Doczom	306	jnz .exit
9487	rgimad	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
9925	Doczom	334	mov [draw_data + sizeof.WDATA + RECT.left], eax
		335	mov [draw_data + sizeof.WDATA + RECT.top], ebx
9487	rgimad	336
9925	Doczom	337	mov [draw_data + sizeof.WDATA + RECT.right], ecx
		338	mov [draw_data + sizeof.WDATA + RECT.bottom], edx
9487	rgimad	339
		340	inc [REDRAW_BACKGROUND]
		341	call wakeup_osloop
		342	;--------------------------------------
		343	align 4
		344	.exit:
		345	ret
		346	;------------------------------------------------------------------------------
		347
		348
		349	align 4
		350	uglobal
		351	BG_Rect_X_left_right dd 0x0
		352	BG_Rect_Y_top_bottom dd 0x0
		353	endg
		354	;------------------------------------------------------------------------------
		355
		356
		357	align 4
		358	force_redraw_background:
9925	Doczom	359	and [draw_data + sizeof.WDATA + RECT.left], 0
		360	and [draw_data + sizeof.WDATA + RECT.top], 0
9487	rgimad	361	push eax ebx
		362	mov eax, [_display.width]
		363	mov ebx, [_display.height]
		364	dec eax
		365	dec ebx
9925	Doczom	366	mov [draw_data + sizeof.WDATA + RECT.right], eax
		367	mov [draw_data + sizeof.WDATA + RECT.bottom], ebx
9487	rgimad	368	pop ebx eax
		369	inc [REDRAW_BACKGROUND]
		370	call wakeup_osloop
		371	ret
		372	;------------------------------------------------------------------------------
		373
		374
		375	align 4
		376	sys_getbackground: ; sysfn 39
		377	dec ebx
		378	jnz .nogb1
		379	; sysfn 39.1:
		380	mov eax, [BgrDataWidth]
		381	shl eax, 16
		382	mov ax, word [BgrDataHeight]
9910	Doczom	383	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	384	ret
		385	;---------------------------------------
		386	align 4
		387	.nogb1:
		388	dec ebx
		389	jnz .nogb2
		390	; sysfn 39.2:
		391	mov eax, [img_background]
		392	test ecx, ecx
		393	jz @f
		394	cmp eax, static_background_data
		395	jz .ret
		396	align 4
		397	@@:
		398	mov ebx, [mem_BACKGROUND]
9910	Doczom	399	add ebx, PAGE_SIZE-1
		400	and ebx, -PAGE_SIZE
9487	rgimad	401	sub ebx, 4
		402	cmp ecx, ebx
		403	ja .ret
		404
		405	mov eax, [ecx+eax]
		406
		407	and eax, 0xFFFFFF
9910	Doczom	408	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	409	align 4
		410	.ret:
		411	ret
		412	;------------------------------------------------------------------------------
		413	align 4
		414	.x dd ?
		415	.y dd ?
		416	.w dd ?
		417	.h dd ?
		418	.subrect_startptr dd ?
		419	.subrect_bytes dd ?
		420	align 4
		421	.nogb2:
		422	dec ebx
		423	jnz .nogb3
		424	; sysfn 39.3 read background subrect to buffer
		425	; ecx -
		426	; edx -
		427	; esi - buffer of 0x00RRGGBB
		428	mov eax, [img_background]
		429	cmp eax, static_background_data
		430	jz .ret_39_3
		431	align 4
		432	@@:
		433	movzx eax, cx ; store y in eax
		434	mov [.y], eax
		435
		436	shr ecx, 16 ; ecx = x
		437	mov [.x], ecx
		438
		439	imul eax, [BgrDataWidth]
		440	add eax, ecx
		441	imul eax, 3
		442	mov [.subrect_startptr], eax
		443
		444	movzx eax, dx ; store h in eax
		445	mov [.h], eax
		446
		447	shr edx, 16 ; edx = w
		448	mov [.w], edx
		449
		450	imul eax, edx
		451	mov [.subrect_bytes], eax
		452
		453	; check bounds
		454	mov ebx, [mem_BACKGROUND]
9910	Doczom	455	add ebx, PAGE_SIZE-1
		456	and ebx, -PAGE_SIZE
9487	rgimad	457	sub ebx, 4
		458	add eax, [.subrect_startptr]
		459	cmp eax, ebx
		460	ja .fail_39_3
		461
		462	; copy contents
		463	mov edi, [img_background]
		464	xor ecx, ecx ; ecx - row index
		465	.copy_rect:
		466	cmp ecx, [.h]
		467	jae .end_copy_rect
		468
		469	xor edx, edx ; edx - column index
		470	.copy_row:
		471	cmp edx, [.w]
		472	jae .end_copy_row
		473
		474	mov ebx, ecx
		475	imul ebx, [BgrDataWidth]
		476	add ebx, edx
		477	imul ebx, 3
		478	add ebx, [.subrect_startptr]
		479	mov eax, [edi + ebx]
		480	mov ebx, ecx
		481	imul ebx, [.w]
		482	add ebx, edx
		483	and eax, 0xFFFFFF
		484	mov [esi + ebx*4], eax
		485
		486	inc edx
		487	jmp .copy_row
		488	.end_copy_row:
		489
		490	inc ecx
		491	jmp .copy_rect
		492	.end_copy_rect:
		493	xor eax, eax
9910	Doczom	494	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	495	;--------------------------------------
		496	align 4
		497	.fail_39_3:
		498	mov eax, -1
		499	align 4
		500	.ret_39_3:
		501	ret
		502	;--------------------------------------
		503	align 4
		504	.nogb3:
		505	dec ebx
		506	jnz .nogb4
		507	; sysfn 39.4:
		508	mov eax, [BgrDrawMode]
		509	;--------------------------------------
		510	align 4
		511	.nogb4:
9910	Doczom	512	mov [esp + SYSCALL_STACK.eax], eax
9487	rgimad	513	ret
		514	;-----------------------------------------------------------------------------
		515
		516
		517	align 4
		518	syscall_putarea_backgr: ; sysfn 25
		519	;eax = 25
		520	;ebx = pointer to bufer for img BBGGRRBBGGRR...
		521	;ecx = [size x]*65536 + [size y]
		522	;edx = [start x]*65536 + [start y]
		523	pushad
		524	mov edi, ebx
		525	mov eax, edx
		526	shr eax, 16
		527	mov ebx, edx
		528	and ebx, 0xffff
		529	dec eax
		530	dec ebx
		531	; eax - x, ebx - y
		532	mov edx, ecx
		533	shr ecx, 16
		534	and edx, 0xffff
		535	mov esi, ecx
		536	; ecx - size x, edx - size y
		537	mov ebp, edx
		538
		539	lea ebp, [ebp*4]
		540	imul ebp, esi
		541	stdcall is_region_userspace, edi, ebp
		542	jnz .exit
		543
		544	mov ebp, edx
		545
		546	dec ebp
		547	shl ebp, 2
		548
		549	imul ebp, esi
		550
		551	mov esi, ecx
		552	dec esi
		553	shl esi, 2
		554
		555	add ebp, esi
		556	add ebp, edi
		557
		558	add ebx, edx
		559	;--------------------------------------
		560	align 4
		561	.start_y:
		562	push ecx edx
		563	;--------------------------------------
		564	align 4
		565	.start_x:
		566	push eax ecx
		567	add eax, ecx
		568
		569	mov ecx, [ebp]
		570	rol ecx, 8
		571	test cl, cl ; transparensy = 0
		572	jz .no_put
		573
		574	xor cl, cl
		575	ror ecx, 8
		576
		577	pushad
		578	mov edx, [d_width_calc_area + ebx*4]
		579	add edx, [_display.win_map]
		580	movzx edx, byte [eax+edx]
		581	cmp dl, byte 1
		582	jne @f
		583
		584	call dword [PUTPIXEL]; eax - x, ebx - y
		585	;--------------------------------------
		586	align 4
		587	@@:
		588	popad
		589	;--------------------------------------
		590	align 4
		591	.no_put:
		592	pop ecx eax
		593
		594	sub ebp, 4
		595	dec ecx
		596	jnz .start_x
		597
		598	pop edx ecx
		599	dec ebx
		600	dec edx
		601	jnz .start_y
		602
		603	.exit:
		604	popad
9925	Doczom	605	ret

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(root)/kernel/trunk/gui/background.inc – Rev 9925