WebSVN – Kolibri OS – Blame – /kernel/branches/Kolibri-acpi/video/cursors.inc

Rev	Author	Line No.	Line
465	serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
221	serge	7
593	mikedld	8	$Revision: 593 $
		9
		10
221	serge	11	LOAD_FROM_FILE equ 0
		12	LOAD_FROM_MEM equ 1
		13	LOAD_INDIRECT equ 2
		14	LOAD_SYSTEM equ 3
		15
224	serge	16	struc BITMAPINFOHEADER {
		17	.biSize dd ? ; DWORD
		18	.biWidth dd ? ; LONG
		19	.biHeight dd ? ; LONG
		20	.biPlanes dw ? ; WORD
		21	.biBitCount dw ? ; WORD
		22	.biCompression dd ? ; DWORD
		23	.biSizeImage dd ? ; DWORD
		24	.biXPelsPerMeter dd ? ; LONG
		25	.biYPelsPerMeter dd ? ; LONG
		26	.biClrUsed dd ? ; DWORD
		27	.biClrImportant dd ? ; DWORD
		28	}
		29
		30	virtual at 0
		31	BI BITMAPINFOHEADER
		32	end virtual
		33
221	serge	34	align 4
		35	proc vesa_init_cursor stdcall, dst:dword, src:dword
		36	locals
		37	rBase dd ?
		38	pQuad dd ?
		39	pBits dd ?
		40	pAnd dd ?
		41	width dd ?
		42	height dd ?
		43	counter dd ?
		44	endl
		45
		46	mov esi, [src]
224	serge	47	add esi,[esi+18]
		48	mov eax,esi
221	serge	49
224	serge	50	cmp [esi+BI.biBitCount], 24
		51	je .img_24
233	serge	52	cmp [esi+BI.biBitCount], 8
		53	je .img_8
		54	cmp [esi+BI.biBitCount], 4
		55	je .img_4
		56
		57	.img_2:
		58	add eax, [esi]
		59	mov [pQuad],eax
		60	add eax,8
		61	mov [pBits],eax
		62	add eax, 128
		63	mov [pAnd],eax
		64	mov eax,[esi+4]
		65	mov [width],eax
		66	mov ebx,[esi+8]
		67	shr ebx,1
		68	mov [height],ebx
		69
		70	mov edi, [dst]
		71	add edi, 32314
		72	mov [rBase],edi
		73
		74	mov esi,[pQuad]
		75	.l21:
		76	mov ebx, [pBits]
		77	mov ebx, [ebx]
		78	bswap ebx
		79	mov eax, [pAnd]
		80	mov eax, [eax]
		81	bswap eax
		82	mov [counter], 32
		83	@@:
		84	xor edx, edx
		85	shl eax,1
		86	setc dl
		87	dec edx
		88
		89	xor ecx, ecx
		90	shl ebx,1
		91	setc cl
		92	mov ecx, [esi+ecx*4]
		93	and ecx, edx
		94	and edx, 0xFF000000
		95	or edx, ecx
		96	mov [edi], edx
		97
		98	add edi, 4
		99	dec [counter]
		100	jnz @B
		101
		102	add [pBits], 4
		103	add [pAnd], 4
		104	mov edi,[rBase]
		105	sub edi,128
		106	mov [rBase],edi
		107	sub [height],1
		108	jnz .l21
		109	ret
		110
224	serge	111	.img_4:
221	serge	112	add eax, [esi]
		113	mov [pQuad],eax
		114	add eax,64
		115	mov [pBits],eax
		116	add eax, 0x200
		117	mov [pAnd],eax
		118	mov eax,[esi+4]
		119	mov [width],eax
		120	mov ebx,[esi+8]
		121	shr ebx,1
		122	mov [height],ebx
		123
		124	mov edi, [dst]
		125	add edi, 32314
		126	mov [rBase],edi
		127
233	serge	128	mov esi,[pQuad]
221	serge	129	mov ebx, [pBits]
233	serge	130	.l4:
		131	mov eax, [pAnd]
		132	mov eax, [eax]
221	serge	133	bswap eax
		134	mov [counter], 16
		135	@@:
		136	xor edx, edx
		137	shl eax,1
		138	setc dl
		139	dec edx
		140
233	serge	141	movzx ecx, byte [ebx]
		142	and cl, 0xF0
221	serge	143	shr ecx, 2
233	serge	144	mov ecx, [esi+ecx]
221	serge	145	and ecx, edx
		146	and edx, 0xFF000000
		147	or edx, ecx
		148	mov [edi], edx
		149
		150	xor edx, edx
		151	shl eax,1
		152	setc dl
		153	dec edx
		154
233	serge	155	movzx ecx, byte [ebx]
		156	and cl, 0x0F
		157	mov ecx, [esi+ecx*4]
221	serge	158	and ecx, edx
		159	and edx, 0xFF000000
		160	or edx, ecx
		161	mov [edi+4], edx
		162
		163	inc ebx
		164	add edi, 8
		165	dec [counter]
		166	jnz @B
		167
233	serge	168	add [pAnd], 4
221	serge	169	mov edi,[rBase]
		170	sub edi,128
		171	mov [rBase],edi
		172	sub [height],1
233	serge	173	jnz .l4
221	serge	174	ret
233	serge	175	.img_8:
		176	add eax, [esi]
		177	mov [pQuad],eax
		178	add eax,1024
		179	mov [pBits],eax
		180	add eax, 1024
		181	mov [pAnd],eax
		182	mov eax,[esi+4]
		183	mov [width],eax
		184	mov ebx,[esi+8]
		185	shr ebx,1
		186	mov [height],ebx
		187
		188	mov edi, [dst]
		189	add edi, 32314
		190	mov [rBase],edi
		191
		192	mov esi,[pQuad]
		193	mov ebx, [pBits]
		194	.l81:
		195	mov eax, [pAnd]
		196	mov eax, [eax]
		197	bswap eax
		198	mov [counter], 32
		199	@@:
		200	xor edx, edx
		201	shl eax,1
		202	setc dl
		203	dec edx
		204
		205	movzx ecx, byte [ebx]
		206	mov ecx, [esi+ecx*4]
		207	and ecx, edx
		208	and edx, 0xFF000000
		209	or edx, ecx
		210	mov [edi], edx
		211
		212	inc ebx
		213	add edi, 4
		214	dec [counter]
		215	jnz @B
		216
		217	add [pAnd], 4
		218	mov edi,[rBase]
		219	sub edi,128
		220	mov [rBase],edi
		221	sub [height],1
		222	jnz .l81
		223	ret
224	serge	224	.img_24:
		225	add eax, [esi]
		226	mov [pQuad],eax
		227	add eax, 0xC00
		228	mov [pAnd],eax
		229	mov eax,[esi+BI.biWidth]
		230	mov [width],eax
		231	mov ebx,[esi+BI.biHeight]
		232	shr ebx,1
		233	mov [height],ebx
		234
		235	mov edi, [dst]
		236	add edi, 32314
		237	mov [rBase],edi
		238
		239	mov esi,[pAnd]
		240	mov ebx, [pQuad]
		241	.row_24:
		242	mov eax, [esi]
		243	bswap eax
		244	mov [counter], 32
		245	@@:
		246	xor edx, edx
		247	shl eax,1
		248	setc dl
		249	dec edx
		250
		251	mov ecx, [ebx]
		252	and ecx, 0x00FFFFFF
		253	and ecx, edx
		254	and edx, 0xFF000000
		255	or edx, ecx
		256	mov [edi], edx
		257	add ebx, 3
		258	add edi, 4
		259	dec [counter]
		260	jnz @B
		261
		262	add esi, 4
		263	mov edi,[rBase]
		264	sub edi,128
		265	mov [rBase],edi
		266	sub [height],1
		267	jnz .row_24
		268	ret
221	serge	269	endp
		270
		271	align 4
227	serge	272	proc set_cursor stdcall, hcursor:dword
		273	mov eax, [hcursor]
230	serge	274	cmp [eax+CURSOR.magic], 'CURS'
		275	jne .fail
281	serge	276	; cmp [eax+CURSOR.size], CURSOR_SIZE
		277	; jne .fail
465	serge	278	mov ebx, [current_slot]
		279	xchg eax, [ebx+APPDATA.cursor]
227	serge	280	ret
230	serge	281	.fail:
		282	mov eax, [def_cursor]
465	serge	283	mov ebx, [current_slot]
		284	xchg eax, [ebx+APPDATA.cursor]
230	serge	285	ret
227	serge	286	endp
221	serge	287
281	serge	288	; param
		289	; eax= pid
		290	; ebx= src
		291	; ecx= flags
227	serge	292
281	serge	293	vesa_cursor:
		294	.src equ esp
		295	.flags equ esp+4
		296	.hcursor equ esp+8
		297
		298	sub esp, 4 ;space for .hcursor
		299	push ecx
		300	push ebx
		301
		302	mov ebx, eax
		303	mov eax, CURSOR_SIZE
		304	call create_kernel_object
		305	test eax, eax
		306	jz .fail
		307
		308	mov [.hcursor],eax
		309
		310	xor ebx, ebx
		311	mov [eax+CURSOR.magic], 'CURS'
		312	mov [eax+CURSOR.destroy], destroy_cursor
		313	mov [eax+CURSOR.hot_x], ebx
		314	mov [eax+CURSOR.hot_y], ebx
		315
227	serge	316	stdcall kernel_alloc, 0x1000
221	serge	317	test eax, eax
		318	jz .fail
		319
281	serge	320	mov edi, [.hcursor]
227	serge	321	mov [edi+CURSOR.base], eax
221	serge	322
281	serge	323	mov esi, [.src]
		324	mov ebx, [.flags]
227	serge	325	cmp bx, LOAD_INDIRECT
		326	je .indirect
221	serge	327
227	serge	328	movzx ecx, word [esi+10]
		329	movzx edx, word [esi+12]
		330	mov [edi+CURSOR.hot_x], ecx
		331	mov [edi+CURSOR.hot_y], edx
221	serge	332
227	serge	333	stdcall vesa_init_cursor, eax, esi
281	serge	334	mov eax, [.hcursor]
221	serge	335	.fail:
281	serge	336	add esp, 12
221	serge	337	ret
227	serge	338	.indirect:
		339	shr ebx, 16
		340	movzx ecx, bh
		341	movzx edx, bl
		342	mov [eax+CURSOR.hot_x], ecx
		343	mov [eax+CURSOR.hot_y], edx
221	serge	344
227	serge	345	xchg edi, eax
		346	mov ecx, 1024
		347	cld
		348	rep movsd
281	serge	349	add esp, 12
221	serge	350	ret
		351
		352	align 4
		353	proc load_cursor stdcall, src:dword, flags:dword
		354	locals
		355	handle dd ?
		356	endl
		357
227	serge	358	xor eax, eax
		359	mov [handle], eax
		360	cmp word [flags], LOAD_FROM_FILE
		361	jne @F
221	serge	362
		363	stdcall load_file, [src]
		364	test eax, eax
		365	jz .exit
		366	mov [src], eax
227	serge	367	@@:
281	serge	368	mov eax, [CURRENT_TASK]
		369	shl eax, 5
379	serge	370	mov eax, [CURRENT_TASK+eax+4]
281	serge	371	mov ebx, [src]
		372	mov ecx, [flags]
		373	call [create_cursor] ;eax, ebx, ecx
221	serge	374	mov [handle], eax
227	serge	375	.fail:
		376	cmp word [flags], LOAD_FROM_FILE
		377	jne .exit
221	serge	378	stdcall kernel_free, [src]
227	serge	379	.exit:
221	serge	380	mov eax, [handle]
		381	ret
		382	endp
		383
		384	align 4
233	serge	385	proc delete_cursor stdcall, hcursor:dword
		386	locals
		387	hsrv dd ?
		388	io_code dd ?
		389	input dd ?
		390	inp_size dd ?
		391	output dd ?
		392	out_size dd ?
		393	endl
		394
		395	mov esi, [hcursor]
		396	cmp [esi+CURSOR.magic], 'CURS'
		397	jne .fail
281	serge	398	; cmp [esi+CURSOR.size], CURSOR_SIZE
		399	; jne .fail
233	serge	400
		401	mov ebx, [CURRENT_TASK]
		402	shl ebx, 5
379	serge	403	mov ebx, [CURRENT_TASK+ebx+4]
233	serge	404	cmp ebx, [esi+CURSOR.pid]
		405	jne .fail
		406
465	serge	407	mov ebx, [current_slot]
		408	cmp esi, [ebx+APPDATA.cursor]
233	serge	409	jne @F
		410	mov eax, [def_cursor]
465	serge	411	mov [ebx+APPDATA.cursor], eax
233	serge	412	@@:
		413	mov eax, [hcursor]
281	serge	414	call [eax+APPOBJ.destroy]
233	serge	415	.fail:
		416	ret
		417	endp
		418
281	serge	419	; param
		420	; eax= cursor
		421
233	serge	422	align 4
281	serge	423	destroy_cursor:
		424
		425	push eax
		426	stdcall kernel_free, [eax+CURSOR.base]
		427	pop eax
		428
		429	call destroy_kernel_object
		430	ret
		431
		432	align 4
221	serge	433	proc init_cursors
381	serge	434	cmp [SCR_MODE],word 0x13
233	serge	435	jbe .fail
		436
221	serge	437	movzx eax, byte [ScreenBPP]
381	serge	438	mov ebx, [BytesPerScanLine]
221	serge	439	cmp eax, 32
		440	jne @F
		441	sub ebx, 128
		442	jmp .init
		443	@@:
		444	cmp eax, 24
		445	jne .fail
		446	sub ebx, 96
		447	.init:
		448	mov [cur_def_interl], ebx
		449
346	diamond	450	stdcall load_driver, szHwMouse
233	serge	451	mov [hw_cursor], eax
227	serge	452	test eax, eax
		453	jz .sw_mouse
		454
221	serge	455	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		456	mov [def_cursor], eax
227	serge	457	ret
		458	.sw_mouse:
		459	mov [create_cursor], vesa_cursor
221	serge	460
227	serge	461	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		462	mov [def_cursor], eax
		463
381	serge	464	mov ecx, [ScreenWidth]
		465	mov edx, [ScreenHeight]
221	serge	466	inc ecx
		467	inc edx
		468	mov [scr_width], ecx
		469	mov [scr_height], edx
		470
		471	movzx ebx, byte [ScreenBPP]
		472	cmp ebx, 32
		473	jne @F
		474
		475	mov dword [set_hw_cursor], cursor_32
		476	mov dword [hw_restore], restore_32
		477	ret
		478	@@:
		479	mov dword [set_hw_cursor], cursor_24
		480	mov dword [hw_restore], restore_24
		481	ret
		482	.fail:
		483	xor eax, eax
		484	mov dword [set_hw_cursor], eax
		485	mov dword [hw_restore], eax
		486	ret
		487	endp
		488
		489	align 4
		490	proc restore_24 stdcall, x:dword, y:dword
		491	locals
		492	w dd ?
		493	endl
		494
		495	mov edi, [cur_saved_base]
		496	mov edx, [cur_saved_h]
		497	mov ebx, [cur_saved_interl]
		498
		499	mov esi, cur_saved_data
		500	@@:
		501	mov ecx, [cur_saved_w]
		502	lea ecx, [ecx+ecx*2]
		503	rep movsb
		504	add edi, ebx
		505	dec edx
		506	jnz @B
		507	ret
		508	endp
		509
		510	align 4
		511	proc restore_32 stdcall, x:dword, y:dword
		512	locals
		513	w dd ?
		514	endl
		515
		516	mov edi, [cur_saved_base]
		517	mov edx, [cur_saved_h]
		518	mov ebx, [cur_saved_interl]
		519
		520	mov esi, cur_saved_data
		521	@@:
		522	mov ecx, [cur_saved_w]
		523	rep movsd
		524	add edi, ebx
		525	dec edx
		526	jnz @B
		527	ret
		528	endp
		529
		530	align 4
		531	proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword
		532	locals
		533	w dd ?
		534	h dd ?
		535	st dd ?
		536	_dx dd ?
		537	_dy dd ?
		538	endl
		539
		540	mov esi, [hcursor]
		541	mov ecx, [x]
		542	mov eax, [y]
		543	mov ebx, [BytesPerScanLine]
		544
		545	xor edx, edx
		546	sub ecx, [esi+CURSOR.hot_x]
		547	mov [x], ecx
		548	sets dl
		549	dec edx
		550	and ecx, edx ;clip x to 0<=x
		551	mov edi, ecx
		552	sub edi, [x]
		553	mov [_dx], edi
		554
		555	xor edx, edx
		556	sub eax, [esi+CURSOR.hot_y]
		557	mov [y], eax
		558	sets dl
		559	dec edx
		560	and eax, edx ;clip y to 0<=y
		561	mov edi, eax
		562	sub edi, [y]
		563	mov [_dy], edi
		564
		565	mul ebx
		566	lea esi, [ecx+ecx*2]
		567	add esi, [LFBAddress]
		568	add esi, eax
		569	mov [cur_saved_base],esi
		570
		571	mov edi, [scr_width]
		572	mov edx, [scr_height]
		573	mov eax, 32
		574
		575	sub edi, ecx
		576	cmp edi, eax
224	serge	577	jng @F
		578	mov edi, eax
		579	@@:
221	serge	580	sub edi, [_dx]
		581
		582	sub edx, [y]
		583	cmp edx, eax
224	serge	584	jng @F
		585	mov edx, eax
		586	@@:
221	serge	587	sub edx, [_dy]
		588
		589	mov [w], edi
		590	mov [h], edx
		591	mov [cur_saved_w], edi
		592	mov [cur_saved_h], edx
		593
		594	sub eax, edi
224	serge	595	shl eax, 2 ;lea eax, [eax+eax*2]
221	serge	596	lea edi, [edi+edi*2]
		597	sub ebx, edi
		598	mov [cur_saved_interl], ebx
		599
		600	mov edi, cur_saved_data
		601	@@:
		602	mov ecx, [w]
		603	lea ecx, [ecx+ecx*2]
		604	rep movsb
		605	add esi, ebx
		606	dec edx
		607	jnz @B
		608
		609	;draw cursor
		610	mov edx, eax
		611	mov edi, [cur_saved_base]
		612	mov eax, [_dy]
		613	shl eax, 5
		614	add eax, [_dx]
		615	shl eax, 2
		616
		617	mov esi, [hcursor]
		618	mov esi, [esi+CURSOR.base]
		619	add esi, eax
		620	.row:
		621	mov ecx, [w]
		622	.pix:
		623	lodsd
		624	test eax, 0xFF000000
		625	jz @F
		626
		627	mov word [edi], ax
		628	shr eax, 16
		629	mov [edi+2],al
		630	@@:
		631	add edi, 3
		632	dec ecx
		633	jnz .pix
		634
		635	add esi, edx
		636	add edi, ebx
		637	dec [h]
		638	jnz .row
		639	ret
		640	endp
		641
		642	align 4
		643	proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword
		644	locals
		645	w dd ?
		646	h dd ?
		647	st dd ?
		648	_dx dd ?
		649	_dy dd ?
		650	endl
		651
		652	mov esi, [hcursor]
		653	mov ecx, [x]
		654	mov eax, [y]
		655	mov ebx, [BytesPerScanLine]
		656
		657	xor edx, edx
		658	sub ecx, [esi+CURSOR.hot_x]
		659	mov [x], ecx
		660	sets dl
		661	dec edx
		662	and ecx, edx ;clip x to 0<=x
		663	mov edi, ecx
		664	sub edi, [x]
		665	mov [_dx], edi
		666
		667	xor edx, edx
		668	sub eax, [esi+CURSOR.hot_y]
		669	mov [y], eax
		670	sets dl
		671	dec edx
		672	and eax, edx ;clip y to 0<=y
		673	mov edi, eax
		674	sub edi, [y]
		675	mov [_dy], edi
		676
		677	mul ebx
		678	lea esi, [eax+ecx*4]
		679	add esi, [LFBAddress]
		680	mov [cur_saved_base],esi
		681
		682	mov edi, [scr_width]
		683	mov edx, [scr_height]
		684	mov eax, 32
		685
		686	sub edi, ecx
		687	cmp edi, eax
224	serge	688	jng @F
		689	mov edi, eax
		690	@@:
221	serge	691	sub edi, [_dx]
		692
		693	sub edx, [y]
		694	cmp edx, eax
224	serge	695	jng @F
		696	mov edx, eax
		697	@@:
221	serge	698	sub edx, [_dy]
		699
		700	mov [w], edi
		701	mov [h], edx
		702	mov [cur_saved_w], edi
		703	mov [cur_saved_h], edx
		704
		705	sub eax, edi
		706	shl eax, 2
		707	shl edi, 2
		708	sub ebx, edi
		709	mov [cur_saved_interl], ebx
		710
		711	mov edi, cur_saved_data
		712	@@:
		713	mov ecx, [w]
		714	rep movsd
		715	add esi, ebx
		716	dec edx
		717	jnz @B
		718
		719	;draw cursor
		720	mov edx, eax
		721	mov edi, [cur_saved_base]
		722	mov eax, [_dy]
		723	shl eax, 5
		724	add eax, [_dx]
		725	shl eax, 2
		726
		727	mov esi, [hcursor]
		728	mov esi, [esi+CURSOR.base]
		729	add esi, eax
		730	.row:
		731	mov ecx, [w]
		732	.pix:
		733	lodsd
		734	test eax, 0xFF000000
		735	jz @F
		736	mov [edi], eax
		737	@@:
		738	add edi, 4
		739	dec ecx
		740	jnz .pix
		741	add esi, edx
		742	add edi, ebx
		743	dec [h]
		744	jnz .row
		745	ret
		746	endp
		747
		748	align 4
		749	def_arrow:
		750	file 'arrow.cur'
		751

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-acpi/video/cursors.inc @ 4288 – Rev 593