WebSVN – HelenOS – Blame – //trunk/uspace/srv/fb/fb.c

Rev	Author	Line No.	Line
1363	vana	1	/*
3707	decky	2	* Copyright (c) 2008 Martin Decky
2071	jermar	3	* Copyright (c) 2006 Jakub Vana
		4	* Copyright (c) 2006 Ondrej Palkovsky
1363	vana	5	* All rights reserved.
		6	*
		7	* Redistribution and use in source and binary forms, with or without
		8	* modification, are permitted provided that the following conditions
		9	* are met:
		10	*
		11	* - Redistributions of source code must retain the above copyright
		12	* notice, this list of conditions and the following disclaimer.
		13	* - Redistributions in binary form must reproduce the above copyright
		14	* notice, this list of conditions and the following disclaimer in the
		15	* documentation and/or other materials provided with the distribution.
		16	* - The name of the author may not be used to endorse or promote products
		17	* derived from this software without specific prior written permission.
		18	*
		19	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		20	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		21	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		22	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		23	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		24	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		25	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		26	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		27	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		28	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		29	*/
		30
1740	jermar	31	/**
		32	* @defgroup fb Graphical framebuffer
		33	* @brief HelenOS graphical framebuffer.
1649	cejka	34	* @ingroup fbs
		35	* @{
3707	decky	36	*/
1888	jermar	37
1649	cejka	38	/** @file
		39	*/
		40
1430	jermar	41	#include <stdlib.h>
		42	#include <unistd.h>
		43	#include <string.h>
1363	vana	44	#include <ddi.h>
		45	#include <sysinfo.h>
		46	#include <align.h>
		47	#include <as.h>
		48	#include <ipc/fb.h>
		49	#include <ipc/ipc.h>
1430	jermar	50	#include <ipc/ns.h>
1363	vana	51	#include <ipc/services.h>
		52	#include <kernel/errno.h>
1993	decky	53	#include <kernel/genarch/fb/visuals.h>
1392	palkovsky	54	#include <async.h>
1993	decky	55	#include <bool.h>
1505	palkovsky	56
1404	palkovsky	57	#include "font-8x16.h"
1363	vana	58	#include "fb.h"
1505	palkovsky	59	#include "main.h"
		60	#include "../console/screenbuffer.h"
1547	palkovsky	61	#include "ppm.h"
1363	vana	62
1711	palkovsky	63	#include "pointer.xbm"
		64	#include "pointer_mask.xbm"
		65
3707	decky	66	#define DEFAULT_BGCOLOR 0xf0f0f0
		67	#define DEFAULT_FGCOLOR 0x000000
1363	vana	68
3707	decky	69	#define MAX_ANIM_LEN 8
		70	#define MAX_ANIMATIONS 4
		71	#define MAX_PIXMAPS 256 /*< Maximum number of saved pixmaps /
		72	#define MAX_VIEWPORTS 128 /*< Viewport is a rectangular area on the screen /
1363	vana	73
3707	decky	74	typedef void (rgb_conv_t)(void , uint32_t);
1363	vana	75
1485	palkovsky	76	struct {
3707	decky	77	uint8_t *fb_addr;
		78
1875	jermar	79	unsigned int xres;
		80	unsigned int yres;
3707	decky	81
1875	jermar	82	unsigned int scanline;
3707	decky	83	unsigned int glyphscanline;
		84
1875	jermar	85	unsigned int pixelbytes;
3707	decky	86	unsigned int glyphbytes;
		87
		88	rgb_conv_t rgb_conv;
1485	palkovsky	89	} screen;
1363	vana	90
1485	palkovsky	91	typedef struct {
3707	decky	92	bool initialized;
		93	unsigned int x;
		94	unsigned int y;
		95	unsigned int width;
		96	unsigned int height;
		97
1485	palkovsky	98	/* Text support in window */
3707	decky	99	unsigned int cols;
		100	unsigned int rows;
		101
		102	/* Style and glyphs for text printing */
1509	palkovsky	103	style_t style;
3707	decky	104	uint8_t *glyphs;
		105	uint8_t *bgpixel;
		106
1485	palkovsky	107	/* Auto-cursor position */
3707	decky	108	bool cursor_active;
		109	unsigned int cur_col;
		110	unsigned int cur_row;
		111	bool cursor_shown;
		112
		113	/* Back buffer */
		114	unsigned int bbsize;
		115	uint8_t *backbuf;
1485	palkovsky	116	} viewport_t;
1363	vana	117
1646	palkovsky	118	typedef struct {
3707	decky	119	bool initialized;
		120	bool enabled;
1646	palkovsky	121	unsigned int vp;
3707	decky	122
1646	palkovsky	123	unsigned int pos;
		124	unsigned int animlen;
		125	unsigned int pixmaps[MAX_ANIM_LEN];
		126	} animation_t;
3707	decky	127
1646	palkovsky	128	static animation_t animations[MAX_ANIMATIONS];
3707	decky	129	static bool anims_enabled;
1646	palkovsky	130
1552	palkovsky	131	typedef struct {
		132	unsigned int width;
		133	unsigned int height;
1781	jermar	134	uint8_t *data;
1552	palkovsky	135	} pixmap_t;
3707	decky	136
1552	palkovsky	137	static pixmap_t pixmaps[MAX_PIXMAPS];
1485	palkovsky	138	static viewport_t viewports[128];
		139
3707	decky	140	static bool client_connected = false; /*< Allow only 1 connection /
1485	palkovsky	141
3723	svoboda	142	static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col,
		143	unsigned int row);
		144
		145
3707	decky	146	#define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
		147	#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
		148	#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))
1363	vana	149
3707	decky	150	#define COL2X(col) ((col) * FONT_WIDTH)
		151	#define ROW2Y(row) ((row) * FONT_SCANLINES)
1363	vana	152
3707	decky	153	#define X2COL(x) ((x) / FONT_WIDTH)
		154	#define Y2ROW(y) ((y) / FONT_SCANLINES)
1363	vana	155
3707	decky	156	#define FB_POS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes)
		157	#define BB_POS(vport, col, row) ((row) * vport->cols + (col))
		158	#define GLYPH_POS(glyph, y, cursor) (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
1875	jermar	159
1363	vana	160
3707	decky	161	/** ARGB 8:8:8:8 conversion
		162	*
		163	*/
		164	static void rgb_0888(void *dst, uint32_t rgb)
1363	vana	165	{
3707	decky	166	((uint32_t ) dst) = rgb & 0xffffff;
1363	vana	167	}
		168
1994	decky	169
3707	decky	170	/** ABGR 8:8:8:8 conversion
		171	*
		172	*/
		173	static void bgr_0888(void *dst, uint32_t rgb)
1994	decky	174	{
3707	decky	175	((uint32_t ) dst)
		176	= (BLUE(rgb, 8) << 16) \| (GREEN(rgb, 8) << 8) \| RED(rgb, 8);
1994	decky	177	}
		178
3707	decky	179
		180	/** BGR 8:8:8 conversion
		181	*
		182	*/
		183	static void rgb_888(void *dst, uint32_t rgb)
1363	vana	184	{
1871	jermar	185	#if defined(FB_INVERT_ENDIAN)
3710	decky	186	((uint8_t *) dst)[0] = RED(rgb, 8);
		187	((uint8_t *) dst)[1] = GREEN(rgb, 8);
		188	((uint8_t *) dst)[2] = BLUE(rgb, 8);
1363	vana	189	#else
3710	decky	190	((uint8_t *) dst)[0] = BLUE(rgb, 8);
		191	((uint8_t *) dst)[1] = GREEN(rgb, 8);
		192	((uint8_t *) dst)[2] = RED(rgb, 8);
1363	vana	193	#endif
		194	}
		195
		196
3707	decky	197	/** RGB 5:5:5 conversion
		198	*
		199	*/
		200	static void rgb_555(void *dst, uint32_t rgb)
1993	decky	201	{
3707	decky	202	((uint16_t ) dst)
		203	= (RED(rgb, 5) << 10) \| (GREEN(rgb, 5) << 5) \| BLUE(rgb, 5);
1993	decky	204	}
		205
		206
3707	decky	207	/** RGB 5:6:5 conversion
		208	*
		209	*/
		210	static void rgb_565(void *dst, uint32_t rgb)
1363	vana	211	{
3707	decky	212	((uint16_t ) dst)
		213	= (RED(rgb, 5) << 11) \| (GREEN(rgb, 6) << 5) \| BLUE(rgb, 5);
1363	vana	214	}
		215
		216
3707	decky	217	/** RGB 3:2:3
		218	*
		219	*/
		220	static void rgb_323(void *dst, uint32_t rgb)
1363	vana	221	{
3707	decky	222	((uint8_t ) dst)
		223	= ~((RED(rgb, 3) << 5) \| (GREEN(rgb, 2) << 3) \| BLUE(rgb, 3));
1363	vana	224	}
		225
3723	svoboda	226	/** Draw a filled rectangle. */
		227	static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1,
		228	unsigned int y1, uint32_t color)
		229	{
		230	unsigned int x, y;
		231	uint8_t cbuf[4];
1363	vana	232
3723	svoboda	233	screen.rgb_conv(cbuf, color);
		234
		235	for (y = y0; y < y1; y++) {
		236	for (x = x0; x < x1; x++) {
		237	memcpy(&screen.fb_addr[FB_POS(x, y)], cbuf,
		238	screen.pixelbytes);
		239	}
		240	}
		241	}
		242
		243	/** Redraw viewport.
1498	palkovsky	244	*
3707	decky	245	* @param vport Viewport to redraw
		246	*
1498	palkovsky	247	*/
3707	decky	248	static void vport_redraw(viewport_t *vport)
1485	palkovsky	249	{
3723	svoboda	250	unsigned int row, col;
		251
3707	decky	252	for (row = 0; row < vport->rows; row++) {
3723	svoboda	253	for (col = 0; col < vport->cols; col++) {
		254	draw_glyph(vport, false, col, row);
3707	decky	255	}
1672	palkovsky	256	}
3723	svoboda	257
3707	decky	258	if (COL2X(vport->cols) < vport->width) {
3723	svoboda	259	draw_filled_rect(
		260	vport->x + COL2X(vport->cols), vport->y,
		261	vport->x + vport->width, vport->y + vport->height,
		262	vport->style.bg_color);
1672	palkovsky	263	}
3723	svoboda	264
3707	decky	265	if (ROW2Y(vport->rows) < vport->height) {
3723	svoboda	266	draw_filled_rect(
		267	vport->x, vport->y + ROW2Y(vport->rows),
		268	vport->x + vport->width, vport->y + vport->height,
		269	vport->style.bg_color);
1672	palkovsky	270	}
1559	palkovsky	271	}
		272
3707	decky	273
		274	/** Clear viewport
		275	*
		276	* @param vport Viewport to clear
		277	*
		278	*/
		279	static void vport_clear(viewport_t *vport)
1363	vana	280	{
3707	decky	281	memset(vport->backbuf, 0, vport->bbsize);
		282	vport_redraw(vport);
1363	vana	283	}
		284
3707	decky	285	/** Scroll viewport by given number of lines
1485	palkovsky	286	*
1709	jermar	287	* @param vport Viewport to scroll
3707	decky	288	* @param lines Number of lines to scroll
		289	*
1485	palkovsky	290	*/
3707	decky	291	static void vport_scroll(viewport_t *vport, int lines)
1363	vana	292	{
3723	svoboda	293	unsigned int row, col;
		294
1672	palkovsky	295	if (lines > 0) {
3723	svoboda	296	memcpy(vport->backbuf, vport->backbuf + vport->cols * lines,
		297	vport->cols * (vport->rows - lines));
		298	memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)],
		299	0, vport->cols * lines);
3707	decky	300	} else {
3723	svoboda	301	memcpy(vport->backbuf - vport->cols * lines, vport->backbuf,
		302	vport->cols * (vport->rows + lines));
3707	decky	303	memset(vport->backbuf, 0, - vport->cols * lines);
1672	palkovsky	304	}
3723	svoboda	305
		306	for (row = 0; row < vport->rows; row++) {
		307	for (col = 0; col < vport->cols; col++) {
		308	draw_glyph(vport, false, col, row);
		309	}
		310	}
1672	palkovsky	311	}
		312
3707	decky	313	/** Render glyphs
1558	palkovsky	314	*
3707	decky	315	* Convert glyphs from device independent font
		316	* description to current visual representation.
		317	*
		318	* @param vport Viewport
		319	*
1558	palkovsky	320	*/
3707	decky	321	static void render_glyphs(viewport_t* vport)
1363	vana	322	{
3707	decky	323	unsigned int glyph;
		324
		325	for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
		326	unsigned int y;
		327
		328	for (y = 0; y < FONT_SCANLINES; y++) {
		329	unsigned int x;
		330
		331	for (x = 0; x < FONT_WIDTH; x++) {
		332	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
		333	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		334	? vport->style.fg_color : vport->style.bg_color);
		335
		336	uint32_t curcolor;
		337
		338	if (y < FONT_SCANLINES - 2)
		339	curcolor =
		340	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		341	? vport->style.fg_color : vport->style.bg_color;
		342	else
		343	curcolor = vport->style.fg_color;
		344
		345	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
		346	}
1509	palkovsky	347	}
		348	}
3707	decky	349
		350	screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
1363	vana	351	}
		352
		353
1485	palkovsky	354	/** Create new viewport
1363	vana	355	*
3707	decky	356	* @param x Origin of the viewport (x).
		357	* @param y Origin of the viewport (y).
		358	* @param width Width of the viewport.
		359	* @param height Height of the viewport.
		360	*
		361	* @return New viewport number.
		362	*
1363	vana	363	*/
3707	decky	364	static int vport_create(unsigned int x, unsigned int y,
		365	unsigned int width, unsigned int height)
1363	vana	366	{
3707	decky	367	unsigned int i;
		368
2070	jermar	369	for (i = 0; i < MAX_VIEWPORTS; i++) {
1485	palkovsky	370	if (!viewports[i].initialized)
1363	vana	371	break;
		372	}
1485	palkovsky	373	if (i == MAX_VIEWPORTS)
		374	return ELIMIT;
3707	decky	375
		376	unsigned int cols = width / FONT_WIDTH;
		377	unsigned int rows = height / FONT_SCANLINES;
		378	unsigned int bbsize = cols * rows;
		379	unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
		380
		381	uint8_t backbuf = (uint8_t ) malloc(bbsize);
		382	if (!backbuf)
		383	return ENOMEM;
		384
		385	uint8_t glyphs = (uint8_t ) malloc(glyphsize);
		386	if (!glyphs) {
		387	free(backbuf);
		388	return ENOMEM;
		389	}
		390
		391	uint8_t bgpixel = (uint8_t ) malloc(screen.pixelbytes);
		392	if (!bgpixel) {
		393	free(glyphs);
		394	free(backbuf);
		395	return ENOMEM;
		396	}
		397
		398	memset(backbuf, 0, bbsize);
		399	memset(glyphs, 0, glyphsize);
		400	memset(bgpixel, 0, screen.pixelbytes);
		401
1485	palkovsky	402	viewports[i].x = x;
		403	viewports[i].y = y;
		404	viewports[i].width = width;
		405	viewports[i].height = height;
1363	vana	406
3707	decky	407	viewports[i].cols = cols;
		408	viewports[i].rows = rows;
		409
1509	palkovsky	410	viewports[i].style.bg_color = DEFAULT_BGCOLOR;
		411	viewports[i].style.fg_color = DEFAULT_FGCOLOR;
1363	vana	412
3707	decky	413	viewports[i].glyphs = glyphs;
		414	viewports[i].bgpixel = bgpixel;
		415
1489	palkovsky	416	viewports[i].cur_col = 0;
		417	viewports[i].cur_row = 0;
3707	decky	418	viewports[i].cursor_active = false;
		419	viewports[i].cursor_shown = false;
		420
		421	viewports[i].bbsize = bbsize;
		422	viewports[i].backbuf = backbuf;
		423
		424	viewports[i].initialized = true;
		425
		426	render_glyphs(&viewports[i]);
		427
1485	palkovsky	428	return i;
1363	vana	429	}
		430
3707	decky	431
1363	vana	432	/** Initialize framebuffer as a chardev output device
		433	*
3707	decky	434	* @param addr Address of the framebuffer
		435	* @param xres Screen width in pixels
		436	* @param yres Screen height in pixels
		437	* @param visual Bits per pixel (8, 16, 24, 32)
		438	* @param scan Bytes per one scanline
1363	vana	439	*
		440	*/
3707	decky	441	static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
		442	unsigned int scan, unsigned int visual)
1363	vana	443	{
1993	decky	444	switch (visual) {
		445	case VISUAL_INDIRECT_8:
3707	decky	446	screen.rgb_conv = rgb_323;
1886	jermar	447	screen.pixelbytes = 1;
		448	break;
1993	decky	449	case VISUAL_RGB_5_5_5:
3707	decky	450	screen.rgb_conv = rgb_555;
1886	jermar	451	screen.pixelbytes = 2;
		452	break;
1993	decky	453	case VISUAL_RGB_5_6_5:
3707	decky	454	screen.rgb_conv = rgb_565;
1993	decky	455	screen.pixelbytes = 2;
1886	jermar	456	break;
1993	decky	457	case VISUAL_RGB_8_8_8:
3707	decky	458	screen.rgb_conv = rgb_888;
1993	decky	459	screen.pixelbytes = 3;
		460	break;
		461	case VISUAL_RGB_8_8_8_0:
3707	decky	462	screen.rgb_conv = rgb_888;
1886	jermar	463	screen.pixelbytes = 4;
		464	break;
1993	decky	465	case VISUAL_RGB_0_8_8_8:
3707	decky	466	screen.rgb_conv = rgb_0888;
1993	decky	467	screen.pixelbytes = 4;
		468	break;
1994	decky	469	case VISUAL_BGR_0_8_8_8:
3707	decky	470	screen.rgb_conv = bgr_0888;
1994	decky	471	screen.pixelbytes = 4;
		472	break;
1993	decky	473	default:
		474	return false;
1363	vana	475	}
		476
3707	decky	477	screen.fb_addr = (unsigned char *) addr;
1485	palkovsky	478	screen.xres = xres;
		479	screen.yres = yres;
		480	screen.scanline = scan;
1363	vana	481
3707	decky	482	screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
		483	screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
		484
1485	palkovsky	485	/* Create first viewport */
3707	decky	486	vport_create(0, 0, xres, yres);
1993	decky	487
		488	return true;
1485	palkovsky	489	}
1363	vana	490
3707	decky	491
		492	/** Draw glyph at given position relative to viewport
		493	*
		494	* @param vport Viewport identification
		495	* @param cursor Draw glyph with cursor
		496	* @param col Screen position relative to viewport
		497	* @param row Screen position relative to viewport
		498	*
		499	*/
		500	static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
1500	palkovsky	501	{
3707	decky	502	unsigned int x = vport->x + COL2X(col);
		503	unsigned int y = vport->y + ROW2Y(row);
		504	unsigned int yd;
		505
		506	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		507
		508	for (yd = 0; yd < FONT_SCANLINES; yd++)
		509	memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
		510	&vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
		511	}
		512
		513
		514	/** Hide cursor if it is shown
		515	*
		516	*/
		517	static void cursor_hide(viewport_t *vport)
		518	{
		519	if ((vport->cursor_active) && (vport->cursor_shown)) {
		520	draw_glyph(vport, false, vport->cur_col, vport->cur_row);
		521	vport->cursor_shown = false;
1500	palkovsky	522	}
		523	}
		524
3707	decky	525
		526	/** Show cursor if cursor showing is enabled
		527	*
		528	*/
		529	static void cursor_show(viewport_t *vport)
1500	palkovsky	530	{
		531	/* Do not check for cursor_shown */
		532	if (vport->cursor_active) {
3707	decky	533	draw_glyph(vport, true, vport->cur_col, vport->cur_row);
		534	vport->cursor_shown = true;
1500	palkovsky	535	}
		536	}
		537
3707	decky	538
		539	/** Invert cursor, if it is enabled
		540	*
		541	*/
		542	static void cursor_blink(viewport_t *vport)
1500	palkovsky	543	{
		544	if (vport->cursor_shown)
1673	palkovsky	545	cursor_hide(vport);
1500	palkovsky	546	else
3707	decky	547	cursor_show(vport);
1500	palkovsky	548	}
		549
3707	decky	550
		551	/** Draw character at given position relative to viewport
		552	*
		553	* @param vport Viewport identification
		554	* @param c Character to draw
		555	* @param col Screen position relative to viewport
		556	* @param row Screen position relative to viewport
		557	*
1498	palkovsky	558	*/
3707	decky	559	static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
1486	palkovsky	560	{
3707	decky	561	/* Do not hide cursor if we are going to overwrite it */
		562	if ((vport->cursor_active) && (vport->cursor_shown) &&
		563	((vport->cur_col != col) \|\| (vport->cur_row != row)))
		564	cursor_hide(vport);
1486	palkovsky	565
3715	svoboda	566	vport->backbuf[BB_POS(vport, col, row)] = c;
		567	draw_glyph(vport, false, col, row);
3707	decky	568
1489	palkovsky	569	vport->cur_col = col;
		570	vport->cur_row = row;
3707	decky	571
1489	palkovsky	572	vport->cur_col++;
2025	jermar	573	if (vport->cur_col >= vport->cols) {
1489	palkovsky	574	vport->cur_col = 0;
		575	vport->cur_row++;
		576	if (vport->cur_row >= vport->rows)
		577	vport->cur_row--;
1486	palkovsky	578	}
3707	decky	579
		580	cursor_show(vport);
1486	palkovsky	581	}
		582
3707	decky	583
1552	palkovsky	584	/** Draw text data to viewport
		585	*
1709	jermar	586	* @param vport Viewport id
3707	decky	587	* @param data Text data fitting exactly into viewport
		588	*
1552	palkovsky	589	*/
3707	decky	590	static void draw_text_data(viewport_t vport, keyfield_t data)
1505	palkovsky	591	{
3707	decky	592	unsigned int i;
		593
2025	jermar	594	for (i = 0; i < vport->cols * vport->rows; i++) {
3707	decky	595	unsigned int col = i % vport->cols;
		596	unsigned int row = i / vport->cols;
		597
		598	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		599
		600	// TODO: use data[i].style
		601
		602	if (glyph != data[i].character) {
		603	vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
		604	draw_glyph(vport, false, col, row);
		605	}
1505	palkovsky	606	}
3707	decky	607	cursor_show(vport);
1505	palkovsky	608	}
		609
3707	decky	610
		611	static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
1555	palkovsky	612	{
3707	decky	613	int pm = ((int ) data);
		614	pixmap_t *pmap = &pixmaps[pm];
		615	unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
1555	palkovsky	616
3707	decky	617	screen.rgb_conv(&pmap->data[pos], color);
		618	}
		619
		620
		621	static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
		622	{
		623	viewport_t vport = (viewport_t ) data;
		624	unsigned int dx = vport->x + x;
		625	unsigned int dy = vport->y + y;
		626
		627	screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
		628	}
		629
		630
		631	/** Return first free pixmap
		632	*
		633	*/
		634	static int find_free_pixmap(void)
		635	{
		636	unsigned int i;
		637
		638	for (i = 0; i < MAX_PIXMAPS; i++)
1555	palkovsky	639	if (!pixmaps[i].data)
		640	return i;
3707	decky	641
1555	palkovsky	642	return -1;
		643	}
		644
		645
3707	decky	646	/** Create a new pixmap and return appropriate ID
		647	*
		648	*/
		649	static int shm2pixmap(unsigned char *shm, size_t size)
1555	palkovsky	650	{
		651	int pm;
		652	pixmap_t *pmap;
3707	decky	653
1555	palkovsky	654	pm = find_free_pixmap();
		655	if (pm == -1)
		656	return ELIMIT;
3707	decky	657
1555	palkovsky	658	pmap = &pixmaps[pm];
		659
		660	if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
		661	return EINVAL;
		662
		663	pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
		664	if (!pmap->data)
		665	return ENOMEM;
3707	decky	666
		667	ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
		668
1555	palkovsky	669	return pm;
		670	}
		671
3707	decky	672
1552	palkovsky	673	/** Handle shared memory communication calls
		674	*
		675	* Protocol for drawing pixmaps:
		676	* - FB_PREPARE_SHM(client shm identification)
2025	jermar	677	* - IPC_M_AS_AREA_SEND
3707	decky	678	* - FB_DRAW_PPM(startx, starty)
1552	palkovsky	679	* - FB_DROP_SHM
		680	*
		681	* Protocol for text drawing
2025	jermar	682	* - IPC_M_AS_AREA_SEND
1552	palkovsky	683	* - FB_DRAW_TEXT_DATA
		684	*
		685	* @param callid Callid of the current call
3707	decky	686	* @param call Current call data
		687	* @param vp Active viewport
1552	palkovsky	688	*
3707	decky	689	* @return false if the call was not handled byt this function, true otherwise
		690	*
		691	* Note: this function is not threads safe, you would have
1552	palkovsky	692	* to redefine static variables with __thread
3707	decky	693	*
1552	palkovsky	694	*/
3707	decky	695	static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1547	palkovsky	696	{
		697	static keyfield_t *interbuffer = NULL;
		698	static size_t intersize = 0;
3707	decky	699
1720	palkovsky	700	static unsigned char *shm = NULL;
1555	palkovsky	701	static ipcarg_t shm_id = 0;
		702	static size_t shm_size;
3707	decky	703
		704	bool handled = true;
		705	int retval = EOK;
1547	palkovsky	706	viewport_t *vport = &viewports[vp];
3707	decky	707	unsigned int x;
		708	unsigned int y;
		709
1547	palkovsky	710	switch (IPC_GET_METHOD(*call)) {
2677	jermar	711	case IPC_M_SHARE_OUT:
1547	palkovsky	712	/* We accept one area for data interchange */
1555	palkovsky	713	if (IPC_GET_ARG1(*call) == shm_id) {
2141	jermar	714	void dest = as_get_mappable_page(IPC_GET_ARG2(call));
1555	palkovsky	715	shm_size = IPC_GET_ARG2(*call);
3707	decky	716	if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
1555	palkovsky	717	shm = dest;
1547	palkovsky	718	else
1555	palkovsky	719	shm_id = 0;
3707	decky	720
1555	palkovsky	721	if (shm[0] != 'P')
3707	decky	722	return false;
		723
		724	return true;
1547	palkovsky	725	} else {
		726	intersize = IPC_GET_ARG2(*call);
2015	jermar	727	receive_comm_area(callid, call, (void *) &interbuffer);
1547	palkovsky	728	}
3707	decky	729	return true;
1547	palkovsky	730	case FB_PREPARE_SHM:
1555	palkovsky	731	if (shm_id)
1547	palkovsky	732	retval = EBUSY;
		733	else
1555	palkovsky	734	shm_id = IPC_GET_ARG1(*call);
1547	palkovsky	735	break;
		736
		737	case FB_DROP_SHM:
1555	palkovsky	738	if (shm) {
		739	as_area_destroy(shm);
		740	shm = NULL;
1547	palkovsky	741	}
1555	palkovsky	742	shm_id = 0;
1547	palkovsky	743	break;
3707	decky	744
1555	palkovsky	745	case FB_SHM2PIXMAP:
		746	if (!shm) {
		747	retval = EINVAL;
		748	break;
		749	}
		750	retval = shm2pixmap(shm, shm_size);
		751	break;
1547	palkovsky	752	case FB_DRAW_PPM:
1555	palkovsky	753	if (!shm) {
1547	palkovsky	754	retval = EINVAL;
		755	break;
		756	}
		757	x = IPC_GET_ARG1(*call);
		758	y = IPC_GET_ARG2(*call);
3707	decky	759
		760	if ((x > vport->width) \|\| (y > vport->height)) {
1547	palkovsky	761	retval = EINVAL;
		762	break;
		763	}
		764
2025	jermar	765	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
3707	decky	766	IPC_GET_ARG2(call), vport->width - x, vport->height - y, putpixel, (void ) vport);
1547	palkovsky	767	break;
		768	case FB_DRAW_TEXT_DATA:
		769	if (!interbuffer) {
		770	retval = EINVAL;
		771	break;
		772	}
3707	decky	773	if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
1547	palkovsky	774	retval = EINVAL;
		775	break;
		776	}
1673	palkovsky	777	draw_text_data(vport, interbuffer);
1547	palkovsky	778	break;
		779	default:
3707	decky	780	handled = false;
1547	palkovsky	781	}
		782
		783	if (handled)
2619	jermar	784	ipc_answer_0(callid, retval);
1547	palkovsky	785	return handled;
		786	}
		787
3707	decky	788
		789	static void copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)
1552	palkovsky	790	{
3707	decky	791	unsigned int width = vport->width;
		792	unsigned int height = vport->height;
		793
1711	palkovsky	794	if (width + vport->x > screen.xres)
		795	width = screen.xres - vport->x;
2301	decky	796	if (height + vport->y > screen.yres)
1711	palkovsky	797	height = screen.yres - vport->y;
2301	decky	798
3707	decky	799	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		800	unsigned int realheight = pmap->height <= height ? pmap->height : height;
2301	decky	801
3707	decky	802	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		803	unsigned int realrowsize = realwidth * screen.pixelbytes;
		804
		805	unsigned int y;
2301	decky	806	for (y = 0; y < realheight; y++) {
3707	decky	807	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		808	memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
1711	palkovsky	809	}
		810	}
		811
3707	decky	812
		813	/** Save viewport to pixmap
		814	*
		815	*/
		816	static int save_vp_to_pixmap(viewport_t *vport)
1711	palkovsky	817	{
		818	int pm;
		819	pixmap_t *pmap;
3707	decky	820
1552	palkovsky	821	pm = find_free_pixmap();
		822	if (pm == -1)
		823	return ELIMIT;
		824
		825	pmap = &pixmaps[pm];
		826	pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
		827	if (!pmap->data)
		828	return ENOMEM;
3707	decky	829
1552	palkovsky	830	pmap->width = vport->width;
		831	pmap->height = vport->height;
3707	decky	832
1711	palkovsky	833	copy_vp_to_pixmap(vport, pmap);
1552	palkovsky	834
		835	return pm;
		836	}
		837
3707	decky	838
1552	palkovsky	839	/** Draw pixmap on screen
		840	*
		841	* @param vp Viewport to draw on
		842	* @param pm Pixmap identifier
3707	decky	843	*
1552	palkovsky	844	*/
		845	static int draw_pixmap(int vp, int pm)
		846	{
		847	pixmap_t *pmap = &pixmaps[pm];
		848	viewport_t *vport = &viewports[vp];
3707	decky	849
		850	unsigned int width = vport->width;
		851	unsigned int height = vport->height;
		852
1711	palkovsky	853	if (width + vport->x > screen.xres)
		854	width = screen.xres - vport->x;
		855	if (height + vport->y > screen.yres)
		856	height = screen.yres - vport->y;
3707	decky	857
1552	palkovsky	858	if (!pmap->data)
		859	return EINVAL;
3707	decky	860
		861	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		862	unsigned int realheight = pmap->height <= height ? pmap->height : height;
		863
		864	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		865	unsigned int realrowsize = realwidth * screen.pixelbytes;
		866
		867	unsigned int y;
2070	jermar	868	for (y = 0; y < realheight; y++) {
3707	decky	869	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		870	memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
1552	palkovsky	871	}
3707	decky	872
		873	return EOK;
1552	palkovsky	874	}
		875
3707	decky	876
		877	/** Tick animation one step forward
		878	*
		879	*/
		880	static void anims_tick(void)
1646	palkovsky	881	{
3707	decky	882	unsigned int i;
1646	palkovsky	883	static int counts = 0;
		884
		885	/* Limit redrawing */
2025	jermar	886	counts = (counts + 1) % 8;
1646	palkovsky	887	if (counts)
		888	return;
		889
2070	jermar	890	for (i = 0; i < MAX_ANIMATIONS; i++) {
3707	decky	891	if ((!animations[i].animlen) \|\| (!animations[i].initialized) \|\|
		892	(!animations[i].enabled))
1646	palkovsky	893	continue;
3707	decky	894
		895	draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
		896	animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
1646	palkovsky	897	}
		898	}
		899
1711	palkovsky	900
3707	decky	901	static unsigned int pointer_x;
		902	static unsigned int pointer_y;
		903	static bool pointer_shown, pointer_enabled;
1711	palkovsky	904	static int pointer_vport = -1;
		905	static int pointer_pixmap = -1;
		906
3707	decky	907
		908	static void mouse_show(void)
1711	palkovsky	909	{
2070	jermar	910	int i, j;
1711	palkovsky	911	int visibility;
		912	int color;
		913	int bytepos;
3707	decky	914
		915	if ((pointer_shown) \|\| (!pointer_enabled))
1723	palkovsky	916	return;
3707	decky	917
3723	svoboda	918	/* Save image under the pointer. */
1711	palkovsky	919	if (pointer_vport == -1) {
3707	decky	920	pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
1711	palkovsky	921	if (pointer_vport < 0)
		922	return;
		923	} else {
		924	viewports[pointer_vport].x = pointer_x;
		925	viewports[pointer_vport].y = pointer_y;
		926	}
3707	decky	927
1711	palkovsky	928	if (pointer_pixmap == -1)
		929	pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
		930	else
3707	decky	931	copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
		932
3723	svoboda	933	/* Draw mouse pointer. */
2025	jermar	934	for (i = 0; i < pointer_height; i++)
		935	for (j = 0; j < pointer_width; j++) {
		936	bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
2070	jermar	937	visibility = pointer_mask_bits[bytepos] &
2619	jermar	938	(1 << (j % 8));
1711	palkovsky	939	if (visibility) {
2619	jermar	940	color = pointer_bits[bytepos] &
		941	(1 << (j % 8)) ? 0 : 0xffffff;
2025	jermar	942	if (pointer_x + j < screen.xres && pointer_y +
2619	jermar	943	i < screen.yres)
2025	jermar	944	putpixel(&viewports[0], pointer_x + j,
2619	jermar	945	pointer_y + i, color);
1711	palkovsky	946	}
		947	}
		948	pointer_shown = 1;
		949	}
		950
3707	decky	951
		952	static void mouse_hide(void)
1711	palkovsky	953	{
3723	svoboda	954	/* Restore image under the pointer. */
1711	palkovsky	955	if (pointer_shown) {
		956	draw_pixmap(pointer_vport, pointer_pixmap);
		957	pointer_shown = 0;
		958	}
		959	}
		960
3707	decky	961
		962	static void mouse_move(unsigned int x, unsigned int y)
1711	palkovsky	963	{
		964	mouse_hide();
		965	pointer_x = x;
		966	pointer_y = y;
		967	mouse_show();
		968	}
		969
3707	decky	970
		971	static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1646	palkovsky	972	{
3707	decky	973	bool handled = true;
		974	int retval = EOK;
		975	int i, nvp;
1646	palkovsky	976	int newval;
3707	decky	977
1646	palkovsky	978	switch (IPC_GET_METHOD(*call)) {
		979	case FB_ANIM_CREATE:
		980	nvp = IPC_GET_ARG1(*call);
		981	if (nvp == -1)
		982	nvp = vp;
2025	jermar	983	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		984	!viewports[nvp].initialized) {
1646	palkovsky	985	retval = EINVAL;
		986	break;
		987	}
2025	jermar	988	for (i = 0; i < MAX_ANIMATIONS; i++) {
		989	if (!animations[i].initialized)
1646	palkovsky	990	break;
		991	}
		992	if (i == MAX_ANIMATIONS) {
		993	retval = ELIMIT;
		994	break;
		995	}
		996	animations[i].initialized = 1;
		997	animations[i].animlen = 0;
		998	animations[i].pos = 0;
		999	animations[i].enabled = 0;
		1000	animations[i].vp = nvp;
		1001	retval = i;
		1002	break;
		1003	case FB_ANIM_DROP:
		1004	i = IPC_GET_ARG1(*call);
1720	palkovsky	1005	if (i >= MAX_ANIMATIONS \|\| i < 0) {
1646	palkovsky	1006	retval = EINVAL;
		1007	break;
		1008	}
		1009	animations[i].initialized = 0;
		1010	break;
		1011	case FB_ANIM_ADDPIXMAP:
		1012	i = IPC_GET_ARG1(*call);
2025	jermar	1013	if (i >= MAX_ANIMATIONS \|\| i < 0 \|\|
		1014	!animations[i].initialized) {
1646	palkovsky	1015	retval = EINVAL;
		1016	break;
		1017	}
		1018	if (animations[i].animlen == MAX_ANIM_LEN) {
		1019	retval = ELIMIT;
		1020	break;
		1021	}
		1022	newval = IPC_GET_ARG2(*call);
2025	jermar	1023	if (newval < 0 \|\| newval > MAX_PIXMAPS \|\|
		1024	!pixmaps[newval].data) {
1646	palkovsky	1025	retval = EINVAL;
		1026	break;
		1027	}
		1028	animations[i].pixmaps[animations[i].animlen++] = newval;
		1029	break;
		1030	case FB_ANIM_CHGVP:
		1031	i = IPC_GET_ARG1(*call);
		1032	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1033	retval = EINVAL;
		1034	break;
		1035	}
		1036	nvp = IPC_GET_ARG2(*call);
		1037	if (nvp == -1)
		1038	nvp = vp;
2025	jermar	1039	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		1040	!viewports[nvp].initialized) {
1646	palkovsky	1041	retval = EINVAL;
		1042	break;
		1043	}
		1044	animations[i].vp = nvp;
		1045	break;
		1046	case FB_ANIM_START:
		1047	case FB_ANIM_STOP:
		1048	i = IPC_GET_ARG1(*call);
		1049	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1050	retval = EINVAL;
		1051	break;
		1052	}
		1053	newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
		1054	if (newval ^ animations[i].enabled) {
		1055	animations[i].enabled = newval;
		1056	anims_enabled += newval ? 1 : -1;
		1057	}
		1058	break;
		1059	default:
		1060	handled = 0;
		1061	}
		1062	if (handled)
2619	jermar	1063	ipc_answer_0(callid, retval);
1646	palkovsky	1064	return handled;
		1065	}
		1066
3707	decky	1067
		1068	/** Handler for messages concerning pixmap handling
		1069	*
		1070	*/
		1071	static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1552	palkovsky	1072	{
3707	decky	1073	bool handled = true;
		1074	int retval = EOK;
		1075	int i, nvp;
		1076
1552	palkovsky	1077	switch (IPC_GET_METHOD(*call)) {
		1078	case FB_VP_DRAW_PIXMAP:
		1079	nvp = IPC_GET_ARG1(*call);
		1080	if (nvp == -1)
		1081	nvp = vp;
2025	jermar	1082	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1083	!viewports[nvp].initialized) {
1552	palkovsky	1084	retval = EINVAL;
		1085	break;
		1086	}
		1087	i = IPC_GET_ARG2(*call);
		1088	retval = draw_pixmap(nvp, i);
		1089	break;
		1090	case FB_VP2PIXMAP:
		1091	nvp = IPC_GET_ARG1(*call);
		1092	if (nvp == -1)
		1093	nvp = vp;
2025	jermar	1094	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1095	!viewports[nvp].initialized)
1552	palkovsky	1096	retval = EINVAL;
		1097	else
1711	palkovsky	1098	retval = save_vp_to_pixmap(&viewports[nvp]);
1552	palkovsky	1099	break;
		1100	case FB_DROP_PIXMAP:
		1101	i = IPC_GET_ARG1(*call);
		1102	if (i >= MAX_PIXMAPS) {
		1103	retval = EINVAL;
		1104	break;
		1105	}
		1106	if (pixmaps[i].data) {
		1107	free(pixmaps[i].data);
		1108	pixmaps[i].data = NULL;
		1109	}
		1110	break;
		1111	default:
		1112	handled = 0;
		1113	}
3707	decky	1114
1552	palkovsky	1115	if (handled)
2619	jermar	1116	ipc_answer_0(callid, retval);
1552	palkovsky	1117	return handled;
		1118
		1119	}
		1120
1498	palkovsky	1121	/** Function for handling connections to FB
		1122	*
		1123	*/
3707	decky	1124	static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1363	vana	1125	{
3707	decky	1126	unsigned int vp = 0;
		1127	viewport_t *vport = &viewports[vp];
		1128
1485	palkovsky	1129	if (client_connected) {
2619	jermar	1130	ipc_answer_0(iid, ELIMIT);
1485	palkovsky	1131	return;
		1132	}
3707	decky	1133
		1134	/* Accept connection */
		1135	client_connected = true;
		1136	ipc_answer_0(iid, EOK);
		1137
		1138	while (true) {
		1139	ipc_callid_t callid;
		1140	ipc_call_t call;
		1141	int retval;
		1142	unsigned int i;
		1143	int scroll;
		1144	uint8_t glyph;
		1145	unsigned int row, col;
		1146
		1147	if ((vport->cursor_active) \|\| (anims_enabled))
2070	jermar	1148	callid = async_get_call_timeout(&call, 250000);
1640	palkovsky	1149	else
		1150	callid = async_get_call(&call);
3707	decky	1151
1713	palkovsky	1152	mouse_hide();
1500	palkovsky	1153	if (!callid) {
1673	palkovsky	1154	cursor_blink(vport);
1646	palkovsky	1155	anims_tick();
1723	palkovsky	1156	mouse_show();
1500	palkovsky	1157	continue;
		1158	}
3707	decky	1159
1547	palkovsky	1160	if (shm_handle(callid, &call, vp))
		1161	continue;
3707	decky	1162
1552	palkovsky	1163	if (pixmap_handle(callid, &call, vp))
		1164	continue;
3707	decky	1165
1646	palkovsky	1166	if (anim_handle(callid, &call, vp))
		1167	continue;
3707	decky	1168
		1169	switch (IPC_GET_METHOD(call)) {
1485	palkovsky	1170	case IPC_M_PHONE_HUNGUP:
3707	decky	1171	client_connected = false;
		1172
		1173	/* Cleanup other viewports */
2025	jermar	1174	for (i = 1; i < MAX_VIEWPORTS; i++)
3707	decky	1175	vport->initialized = false;
		1176
		1177	/* Exit thread */
		1178	return;
		1179
1485	palkovsky	1180	case FB_PUTCHAR:
3707	decky	1181	glyph = IPC_GET_ARG1(call);
1485	palkovsky	1182	row = IPC_GET_ARG2(call);
		1183	col = IPC_GET_ARG3(call);
3707	decky	1184
		1185	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1485	palkovsky	1186	retval = EINVAL;
		1187	break;
		1188	}
2619	jermar	1189	ipc_answer_0(callid, EOK);
3707	decky	1190
		1191	draw_char(vport, glyph, col, row);
		1192
		1193	/* Message already answered */
		1194	continue;
1485	palkovsky	1195	case FB_CLEAR:
3707	decky	1196	vport_clear(vport);
		1197	cursor_show(vport);
		1198	retval = EOK;
1485	palkovsky	1199	break;
3707	decky	1200	case FB_CURSOR_GOTO:
1486	palkovsky	1201	row = IPC_GET_ARG1(call);
		1202	col = IPC_GET_ARG2(call);
3707	decky	1203
		1204	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1486	palkovsky	1205	retval = EINVAL;
		1206	break;
		1207	}
3707	decky	1208	retval = EOK;
		1209
1673	palkovsky	1210	cursor_hide(vport);
1486	palkovsky	1211	vport->cur_col = col;
		1212	vport->cur_row = row;
3707	decky	1213	cursor_show(vport);
		1214	break;
1486	palkovsky	1215	case FB_CURSOR_VISIBILITY:
1673	palkovsky	1216	cursor_hide(vport);
1500	palkovsky	1217	vport->cursor_active = IPC_GET_ARG1(call);
3707	decky	1218	cursor_show(vport);
		1219	retval = EOK;
1486	palkovsky	1220	break;
1485	palkovsky	1221	case FB_GET_CSIZE:
2619	jermar	1222	ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1485	palkovsky	1223	continue;
1486	palkovsky	1224	case FB_SCROLL:
3707	decky	1225	scroll = IPC_GET_ARG1(call);
		1226	if ((scroll > (int) vport->rows) \|\| (scroll < (-(int) vport->rows))) {
1486	palkovsky	1227	retval = EINVAL;
		1228	break;
		1229	}
1673	palkovsky	1230	cursor_hide(vport);
3707	decky	1231	vport_scroll(vport, scroll);
		1232	cursor_show(vport);
		1233	retval = EOK;
1486	palkovsky	1234	break;
		1235	case FB_VIEWPORT_SWITCH:
		1236	i = IPC_GET_ARG1(call);
3707	decky	1237	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1238	retval = EINVAL;
		1239	break;
		1240	}
3707	decky	1241	if (!viewports[i].initialized) {
1486	palkovsky	1242	retval = EADDRNOTAVAIL;
		1243	break;
		1244	}
1673	palkovsky	1245	cursor_hide(vport);
1486	palkovsky	1246	vp = i;
		1247	vport = &viewports[vp];
3707	decky	1248	cursor_show(vport);
		1249	retval = EOK;
1486	palkovsky	1250	break;
		1251	case FB_VIEWPORT_CREATE:
3707	decky	1252	retval = vport_create(IPC_GET_ARG1(call) >> 16,
2619	jermar	1253	IPC_GET_ARG1(call) & 0xffff,
		1254	IPC_GET_ARG2(call) >> 16,
		1255	IPC_GET_ARG2(call) & 0xffff);
1486	palkovsky	1256	break;
		1257	case FB_VIEWPORT_DELETE:
		1258	i = IPC_GET_ARG1(call);
3707	decky	1259	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1260	retval = EINVAL;
		1261	break;
		1262	}
3707	decky	1263	if (!viewports[i].initialized) {
1486	palkovsky	1264	retval = EADDRNOTAVAIL;
		1265	break;
		1266	}
3707	decky	1267	viewports[i].initialized = false;
		1268	if (viewports[i].glyphs)
		1269	free(viewports[i].glyphs);
		1270	if (viewports[i].bgpixel)
		1271	free(viewports[i].bgpixel);
		1272	if (viewports[i].backbuf)
		1273	free(viewports[i].backbuf);
		1274	retval = EOK;
1486	palkovsky	1275	break;
		1276	case FB_SET_STYLE:
1509	palkovsky	1277	vport->style.fg_color = IPC_GET_ARG1(call);
		1278	vport->style.bg_color = IPC_GET_ARG2(call);
3707	decky	1279	render_glyphs(vport);
		1280	retval = EOK;
1486	palkovsky	1281	break;
		1282	case FB_GET_RESOLUTION:
2619	jermar	1283	ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1486	palkovsky	1284	continue;
1707	palkovsky	1285	case FB_POINTER_MOVE:
3707	decky	1286	pointer_enabled = true;
1711	palkovsky	1287	mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
3707	decky	1288	retval = EOK;
1707	palkovsky	1289	break;
1485	palkovsky	1290	default:
		1291	retval = ENOENT;
		1292	}
2619	jermar	1293	ipc_answer_0(callid, retval);
1363	vana	1294	}
1485	palkovsky	1295	}
1363	vana	1296
3707	decky	1297	/** Initialization of framebuffer
		1298	*
		1299	*/
		1300	int fb_init(void)
1485	palkovsky	1301	{
1490	palkovsky	1302	async_set_client_connection(fb_client_connection);
1485	palkovsky	1303
3707	decky	1304	void fb_ph_addr = (void ) sysinfo_value("fb.address.physical");
		1305	unsigned int fb_offset = sysinfo_value("fb.offset");
		1306	unsigned int fb_width = sysinfo_value("fb.width");
		1307	unsigned int fb_height = sysinfo_value("fb.height");
		1308	unsigned int fb_scanline = sysinfo_value("fb.scanline");
		1309	unsigned int fb_visual = sysinfo_value("fb.visual");
		1310
		1311	unsigned int fbsize = fb_scanline * fb_height;
		1312	void *fb_addr = as_get_mappable_page(fbsize);
		1313
		1314	physmem_map(fb_ph_addr + fb_offset, fb_addr,
		1315	ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ \| AS_AREA_WRITE);
		1316
		1317	if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1993	decky	1318	return 0;
		1319
		1320	return -1;
1363	vana	1321	}
1490	palkovsky	1322
3707	decky	1323	/**
1649	cejka	1324	* @}
		1325	*/

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(root)//trunk/uspace/srv/fb/fb.c – Rev 3723