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

Rev	Author	Line No.	Line
2455	mario79	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2011-2012. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1894	serge	7
2384	hidnplayr	8	struct BLITTER_BLOCK
		9	xmin dd ?
		10	ymin dd ?
		11	xmax dd ?
		12	ymax dd ?
		13	ends
1894	serge	14
		15
2384	hidnplayr	16	struct BLITTER
2988	Serge	17	dc RECT
		18	sc RECT
2384	hidnplayr	19	dst_x dd ? ; 32
		20	dst_y dd ? ; 36
		21	src_x dd ? ; 40
		22	src_y dd ? ; 44
		23	w dd ? ; 48
		24	h dd ? ; 52
1894	serge	25
2384	hidnplayr	26	bitmap dd ? ; 56
		27	stride dd ? ; 60
		28	ends
1894	serge	29
		30
2988	Serge	31
1894	serge	32	align 4
2988	Serge	33	block_clip:
		34	;esi= clip RECT ptr
		35	;edi= RECT ptr
		36	;return code:
		37	;eax= 0 - draw, 1 - don't draw
1894	serge	38
2288	clevermous	39	push ebx
1894	serge	40
2988	Serge	41	mov eax, [edi+RECT.left]
		42	mov ebx, [edi+RECT.right]
		43	mov ecx, [esi+RECT.left] ;clip.left
		44	mov edx, [esi+RECT.right] ;clip.right
1894	serge	45
2988	Serge	46	cmp eax, edx ;left >= clip.right
		47	jge .fail
1894	serge	48
2988	Serge	49	cmp ebx, ecx ;right < clip.left
		50	jl .fail
1894	serge	51
2988	Serge	52	cmp eax, ecx ;left >= clip.left
		53	jae @F
1894	serge	54
2988	Serge	55	mov eax, ecx
		56	@@:
		57	mov [edi+RECT.left], eax
		58
		59	cmp ebx, edx ;right <= clip.right
		60	jle @f
		61	mov ebx, edx
		62	@@:
		63	mov [edi+RECT.right], ebx
		64
		65	mov eax, [edi+RECT.top]
		66	mov ebx, [edi+RECT.bottom]
		67	mov ecx, [esi+RECT.top] ;clip.top
		68	mov edx, [esi+RECT.bottom] ;clip.bottom
		69
		70	cmp eax, edx ;top >= clip.bottom
		71	jge .fail
		72
		73	cmp ebx, ecx ;bottom < clip.top
		74	jl .fail
		75
		76	cmp eax, ecx ;top >= clip.top
		77	jae @F
		78
		79	mov eax, ecx
		80	@@:
		81	mov [edi+RECT.top], eax
		82
		83	cmp ebx, edx ;bottom <= clip.bottom
		84	jle @f
		85	mov ebx, edx
		86	@@:
		87	mov [edi+RECT.bottom], ebx
2288	clevermous	88	pop ebx
2988	Serge	89	xor eax, eax
1894	serge	90	ret
2988	Serge	91	.fail:
		92	pop ebx
		93	mov eax, 1
		94	ret
1894	serge	95
2988	Serge	96
1894	serge	97	align 4
		98	blit_clip:
		99
2988	Serge	100	.sx0 equ 8
		101	.sy0 equ 12
		102	.sx1 equ 16
		103	.sy1 equ 20
1894	serge	104
2988	Serge	105	.dx0 equ 24
		106	.dy0 equ 28
		107	.dx1 equ 32
		108	.dy1 equ 36
1894	serge	109
		110
2288	clevermous	111	push edi
		112	push esi
		113	push ebx
		114	sub esp, 40
1894	serge	115
2288	clevermous	116	mov ebx, ecx
		117	mov edx, [ecx+BLITTER.src_x]
		118	mov [esp+.sx0], edx
		119	mov eax, [ecx+BLITTER.src_y]
		120	mov [esp+.sy0], eax
		121	add edx, [ecx+BLITTER.w]
2988	Serge	122	add eax, [ecx+BLITTER.h]
2288	clevermous	123	mov [esp+.sx1], edx
		124	mov [esp+.sy1], eax
1894	serge	125
2988	Serge	126	lea edi, [esp+.sx0]
		127	lea esi, [ebx+BLITTER.sc]
1894	serge	128
2288	clevermous	129	call block_clip
2988	Serge	130	test eax, eax
2288	clevermous	131	mov esi, 1
2988	Serge	132	jnz .done
1894	serge	133
2288	clevermous	134	mov edi, [esp+.sx0]
		135	mov edx, [ebx+BLITTER.dst_x]
		136	add edx, edi
		137	sub edx, [ebx+BLITTER.src_x]
		138	mov [esp+.dx0], edx
1894	serge	139
2288	clevermous	140	mov ecx, [esp+.sy0]
		141	mov eax, [ebx+BLITTER.dst_y]
		142	add eax, ecx
		143	sub eax, [ebx+BLITTER.src_y]
		144	mov [esp+.dy0], eax
2988	Serge	145
2288	clevermous	146	sub edx, edi
		147	add edx, [esp+.sx1]
		148	mov [esp+.dx1], edx
1894	serge	149
2288	clevermous	150	sub eax, ecx
		151	add eax, [esp+.sy1]
		152	mov [esp+.dy1], eax
1894	serge	153
2988	Serge	154	lea edi, [esp+.dx0]
		155	lea esi, [ebx+BLITTER.dc]
2288	clevermous	156	call block_clip
		157	test eax, eax
2988	Serge	158	mov esi, 1
		159	jnz .done
1894	serge	160
2288	clevermous	161	mov edx, [esp+.dx0]
		162	mov eax, [esp+.dx1]
		163	sub eax, edx
		164	mov [ebx+BLITTER.w], eax
1894	serge	165
2288	clevermous	166	mov eax, [esp+.dy0]
		167	mov ecx, [esp+.dy1]
		168	sub ecx, eax
		169	mov [ebx+BLITTER.h], ecx
1894	serge	170
2288	clevermous	171	mov ecx, [ebx+BLITTER.src_x]
		172	add ecx, edx
		173	sub ecx, [ebx+BLITTER.dst_x]
		174	mov [ebx+BLITTER.src_x], ecx
1894	serge	175
2288	clevermous	176	mov ecx, [ebx+BLITTER.src_y]
		177	add ecx, eax
		178	sub ecx, [ebx+BLITTER.dst_y]
		179	mov [ebx+BLITTER.src_y], ecx
		180	mov [ebx+BLITTER.dst_x], edx
		181	mov [ebx+BLITTER.dst_y], eax
		182	xor esi, esi
2988	Serge	183	.done:
2288	clevermous	184	mov eax, esi
		185	add esp, 40
		186	pop ebx
		187	pop esi
		188	pop edi
1894	serge	189
		190
		191	purge .sx0
		192	purge .sy0
		193	purge .sx1
		194	purge .sy1
		195
		196	purge .dx0
		197	purge .dy0
		198	purge .dx1
		199	purge .dy1
		200
		201	ret
		202
		203	align 4
		204	blit_32:
2288	clevermous	205	push ebp
		206	push edi
		207	push esi
		208	push ebx
4444	clevermous	209	virtual at sizeof.BLITTER
		210	.position dd ? ; (x shl 16) + y
		211	; ???
		212	.extra_var1 dd ?
		213	.local_vars_size = $
		214	end virtual
		215	sub esp, .local_vars_size
1894	serge	216
2288	clevermous	217	mov eax, [TASK_BASE]
		218	mov ebx, [eax-twdw + WDATA.box.width]
		219	mov edx, [eax-twdw + WDATA.box.height]
2988	Serge	220	inc ebx
		221	inc edx
1894	serge	222
2288	clevermous	223	xor eax, eax
1894	serge	224
2988	Serge	225	mov [esp+BLITTER.dc.left], eax
		226	mov [esp+BLITTER.dc.top], eax
		227	mov [esp+BLITTER.dc.right], ebx
		228	mov [esp+BLITTER.dc.bottom], edx
1894	serge	229
2988	Serge	230	mov [esp+BLITTER.sc.left], eax
		231	mov [esp+BLITTER.sc.top], eax
2288	clevermous	232	mov eax, [ecx+24]
2988	Serge	233
		234	mov [esp+BLITTER.sc.right], eax
2288	clevermous	235	mov eax, [ecx+28]
1894	serge	236
2988	Serge	237	mov [esp+BLITTER.sc.bottom], eax
		238
2288	clevermous	239	mov eax, [ecx]
		240	mov [esp+BLITTER.dst_x], eax
		241	mov eax, [ecx+4]
		242	mov [esp+BLITTER.dst_y], eax
1894	serge	243
2288	clevermous	244	mov eax, [ecx+16]
		245	mov [esp+BLITTER.src_x], eax
		246	mov eax, [ecx+20]
		247	mov [esp+BLITTER.src_y], eax
		248	mov eax, [ecx+8]
		249	mov [esp+BLITTER.w], eax
		250	mov eax, [ecx+12]
		251	mov [esp+BLITTER.h], eax
1894	serge	252
		253
2288	clevermous	254	mov eax, [ecx+32]
4444	clevermous	255	mov [esp+BLITTER.bitmap], eax
2288	clevermous	256	mov eax, [ecx+36]
4444	clevermous	257	mov [esp+BLITTER.stride], eax
1894	serge	258
2288	clevermous	259	mov ecx, esp
		260	call blit_clip
		261	test eax, eax
		262	jne .L57
1894	serge	263
2288	clevermous	264	mov eax, [TASK_BASE]
1894	serge	265
2288	clevermous	266	mov ebx, [esp+BLITTER.dst_x]
		267	mov ebp, [esp+BLITTER.dst_y]
		268	add ebx, [eax-twdw + WDATA.box.left]
		269	add ebp, [eax-twdw + WDATA.box.top]
2430	mario79	270
		271	mov ecx, ebx
		272	add ecx, [esp+BLITTER.w]
		273	shl ecx, 16
		274	mov cx, bp
		275	add ecx, [esp+BLITTER.h]
		276
4444	clevermous	277	mov eax, ebx
		278	shl eax, 16
		279	mov ax, bp
		280	mov [esp+.position], eax
		281
2288	clevermous	282	mov edi, ebp
1894	serge	283
2480	mario79	284	; imul edi, [_display.pitch]
		285	mov edi, [BPSLine_calc_area+edi*4]
2446	mario79	286	; imul ebp, [_display.width]
2480	mario79	287	mov ebp, [d_width_calc_area+ebp*4]
2446	mario79	288
2288	clevermous	289	add ebp, ebx
		290	add ebp, [_WinMapAddress]
1894	serge	291
2288	clevermous	292	mov eax, [esp+BLITTER.src_y]
		293	imul eax, [esp+BLITTER.stride]
		294	mov esi, [esp+BLITTER.src_x]
		295	lea esi, [eax+esi*4]
		296	add esi, [esp+BLITTER.bitmap]
1894	serge	297
2430	mario79	298	mov eax, ecx
2288	clevermous	299	mov ecx, [esp+BLITTER.h]
		300	mov edx, [esp+BLITTER.w]
1894	serge	301
2288	clevermous	302	test ecx, ecx ;FIXME check clipping
		303	jz .L57
1894	serge	304
2288	clevermous	305	test edx, edx
		306	jz .L57
1894	serge	307
2288	clevermous	308	cmp [_display.bpp], 32
		309	jne .core_24
1894	serge	310
2288	clevermous	311	lea edi, [edi+ebx*4]
1894	serge	312
2288	clevermous	313	mov ebx, [CURRENT_TASK]
4444	clevermous	314	; check for hardware cursor
		315	cmp [_display.select_cursor], select_cursor
		316	je .core_32.software_cursor
		317	cmp [_display.select_cursor], 0
		318	jne .core_32.hardware_cursor
		319	;--------------------------------------
		320	.core_32.software_cursor:
1894	serge	321	align 4
		322	.outer32:
		323
		324	align 4
		325	.inner32:
4444	clevermous	326	cmp [ebp], bl
2449	mario79	327	jne .skip
2430	mario79	328	;--------------------------------------
4444	clevermous	329	mov eax, [esi]
1894	serge	330
4444	clevermous	331	mov ecx, [esp+.position]
2430	mario79	332
		333	; check mouse area for putpixel
		334	call [_display.check_mouse]
2448	mario79	335	;--------------------------------------
2430	mario79	336	; store to real LFB
4444	clevermous	337	mov [LFB_BASE+edi], eax
2430	mario79	338	;--------------------------------------
		339	align 4
2449	mario79	340	.skip:
4444	clevermous	341	add esi, 4
		342	add edi, 4
		343	inc ebp
		344	add [esp+.position], 1 shl 16
2288	clevermous	345	dec edx
		346	jnz .inner32
1894	serge	347
2288	clevermous	348	add esi, [esp+BLITTER.stride]
		349	add edi, [_display.pitch]
		350	add ebp, [_display.width]
1894	serge	351
2288	clevermous	352	mov edx, [esp+BLITTER.w]
4444	clevermous	353	mov eax, edx
		354	inc [esp+.position]
		355	sub ebp, edx
		356	shl eax, 2
		357	sub esi, eax
		358	sub edi, eax
		359	shl eax, 16-2
		360	sub [esp+.position], eax
2288	clevermous	361	dec [esp+BLITTER.h]
		362	jnz .outer32
4444	clevermous	363	jmp .done
		364	.core_32.hardware_cursor:
		365	align 4
		366	.hw.outer32:
		367	xor ecx, ecx
1894	serge	368
4444	clevermous	369	align 4
		370	.hw.inner32:
		371	cmp [ebp+ecx], bl
		372	jne .hw.skip
		373	mov eax, [esi+ecx*4]
		374	mov [LFB_BASE+edi+ecx*4], eax
		375
		376	align 4
		377	.hw.skip:
		378	inc ecx
		379	dec edx
		380	jnz .hw.inner32
		381
		382	add esi, [esp+BLITTER.stride]
		383	add edi, [_display.pitch]
		384	add ebp, [_display.width]
		385
		386	mov edx, [esp+BLITTER.w]
		387	dec [esp+BLITTER.h]
		388	jnz .hw.outer32
		389
1894	serge	390	.done:
2453	mario79	391	; call [draw_pointer]
2988	Serge	392	; call __sys_draw_pointer
1894	serge	393	.L57:
4444	clevermous	394	add esp, .local_vars_size
2288	clevermous	395	pop ebx
		396	pop esi
		397	pop edi
		398	pop ebp
1894	serge	399	ret
		400
		401	.core_24:
2288	clevermous	402	lea ebx, [ebx+ebx*2]
		403	lea edi, [LFB_BASE+edi+ebx]
		404	mov ebx, [CURRENT_TASK]
1894	serge	405
		406	align 4
		407	.outer24:
4444	clevermous	408	mov [esp+.extra_var1], edi
2288	clevermous	409	xor ecx, ecx
1894	serge	410
		411	align 4
		412	.inner24:
2288	clevermous	413	cmp [ebp+ecx], bl
2449	mario79	414	jne .skip_1
2430	mario79	415	;--------------------------------------
		416	push eax
2288	clevermous	417	mov eax, [esi+ecx*4]
1894	serge	418
2288	clevermous	419	lea edi, [edi+ecx*2]
2430	mario79	420
2448	mario79	421	; check for hardware cursor
2451	mario79	422	cmp [_display.select_cursor], select_cursor
		423	je @f
2448	mario79	424	cmp [_display.select_cursor], 0
		425	jne .no_mouseunder_1
		426	;--------------------------------------
		427	align 4
		428	@@:
2430	mario79	429	push ecx
		430
		431	mov ecx, [esp+4]
		432	ror ecx, 16
		433	sub ecx, edx
		434	rol ecx, 16
		435	sub ecx, [esp+BLITTER.h + 8]
		436
		437	; check mouse area for putpixel
		438	call [_display.check_mouse]
		439	pop ecx
2448	mario79	440	;--------------------------------------
		441	align 4
		442	.no_mouseunder_1:
2288	clevermous	443	mov [edi+ecx], ax
		444	shr eax, 16
		445	mov [edi+ecx+2], al
2430	mario79	446
		447	pop eax
		448	;--------------------------------------
		449	align 4
2449	mario79	450	.skip_1:
4444	clevermous	451	mov edi, [esp+.extra_var1]
2288	clevermous	452	inc ecx
		453	dec edx
		454	jnz .inner24
1894	serge	455
2288	clevermous	456	add esi, [esp+BLITTER.stride]
		457	add edi, [_display.pitch]
		458	add ebp, [_display.width]
1894	serge	459
2288	clevermous	460	mov edx, [esp+BLITTER.w]
		461	dec [esp+BLITTER.h]
		462	jnz .outer24
1894	serge	463
2288	clevermous	464	jmp .done

Subversion Repositories Kolibri OS

(root)/kernel/trunk/video/blitter.inc – Rev 4444