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
3725	svoboda	226	/** Draw a filled rectangle.
		227	*
		228	* @note Need real implementation that does not access VRAM twice.
		229	*/
3723	svoboda	230	static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1,
		231	unsigned int y1, uint32_t color)
		232	{
		233	unsigned int x, y;
3725	svoboda	234	unsigned int copy_bytes;
		235
		236	uint8_t sp, dp;
3723	svoboda	237	uint8_t cbuf[4];
1363	vana	238
3725	svoboda	239	if (y0 >= y1 \|\| x0 >= x1) return;
3723	svoboda	240	screen.rgb_conv(cbuf, color);
		241
3725	svoboda	242	sp = &screen.fb_addr[FB_POS(x0, y0)];
		243	dp = sp;
		244
		245	/* Draw the first line. */
		246	for (x = x0; x < x1; x++) {
		247	memcpy(dp, cbuf, screen.pixelbytes);
		248	dp += screen.pixelbytes;
3723	svoboda	249	}
3725	svoboda	250
		251	dp = sp + screen.scanline;
		252	copy_bytes = (x1 - x0) * screen.pixelbytes;
		253
		254	/* Draw the remaining lines by copying. */
		255	for (y = y0 + 1; y < y1; y++) {
		256	memcpy(dp, sp, copy_bytes);
		257	dp += screen.scanline;
		258	}
3723	svoboda	259	}
		260
		261	/** Redraw viewport.
1498	palkovsky	262	*
3707	decky	263	* @param vport Viewport to redraw
		264	*
1498	palkovsky	265	*/
3707	decky	266	static void vport_redraw(viewport_t *vport)
1485	palkovsky	267	{
3723	svoboda	268	unsigned int row, col;
		269
3707	decky	270	for (row = 0; row < vport->rows; row++) {
3723	svoboda	271	for (col = 0; col < vport->cols; col++) {
		272	draw_glyph(vport, false, col, row);
3707	decky	273	}
1672	palkovsky	274	}
3723	svoboda	275
3707	decky	276	if (COL2X(vport->cols) < vport->width) {
3723	svoboda	277	draw_filled_rect(
		278	vport->x + COL2X(vport->cols), vport->y,
		279	vport->x + vport->width, vport->y + vport->height,
		280	vport->style.bg_color);
1672	palkovsky	281	}
3723	svoboda	282
3707	decky	283	if (ROW2Y(vport->rows) < vport->height) {
3723	svoboda	284	draw_filled_rect(
		285	vport->x, vport->y + ROW2Y(vport->rows),
		286	vport->x + vport->width, vport->y + vport->height,
		287	vport->style.bg_color);
1672	palkovsky	288	}
1559	palkovsky	289	}
		290
3707	decky	291
3724	svoboda	292	/** Clear viewport.
3707	decky	293	*
		294	* @param vport Viewport to clear
		295	*
		296	*/
		297	static void vport_clear(viewport_t *vport)
1363	vana	298	{
3707	decky	299	memset(vport->backbuf, 0, vport->bbsize);
		300	vport_redraw(vport);
1363	vana	301	}
		302
3724	svoboda	303	/** Scroll viewport by the specified number of lines.
1485	palkovsky	304	*
1709	jermar	305	* @param vport Viewport to scroll
3707	decky	306	* @param lines Number of lines to scroll
		307	*
1485	palkovsky	308	*/
3707	decky	309	static void vport_scroll(viewport_t *vport, int lines)
1363	vana	310	{
3724	svoboda	311	/*
		312	* Scroll backbuffer.
		313	*/
3723	svoboda	314
1672	palkovsky	315	if (lines > 0) {
3724	svoboda	316	memmove(vport->backbuf, vport->backbuf + vport->cols * lines,
3723	svoboda	317	vport->cols * (vport->rows - lines));
		318	memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)],
		319	0, vport->cols * lines);
3707	decky	320	} else {
3724	svoboda	321	memmove(vport->backbuf - vport->cols * lines, vport->backbuf,
3723	svoboda	322	vport->cols * (vport->rows + lines));
3707	decky	323	memset(vport->backbuf, 0, - vport->cols * lines);
1672	palkovsky	324	}
3723	svoboda	325
3724	svoboda	326	/*
		327	* Scroll pixels.
		328	*/
		329
		330	unsigned int dist, height, alines;
		331	unsigned int y, ry;
		332	uint8_t sp, dp;
		333
		334	alines = lines > 0 ? lines : -lines;
		335	dist = alines * FONT_SCANLINES;
		336	height = (vport->rows - alines) * FONT_SCANLINES;
		337
		338	if (lines > 0) {
		339	dp = &screen.fb_addr[FB_POS(vport->x, vport->y + 0)];
		340	sp = &screen.fb_addr[FB_POS(vport->x, vport->y + dist)];
		341	ry = height;
		342	} else {
		343	dp = &screen.fb_addr[FB_POS(vport->x, vport->y + dist)];
		344	sp = &screen.fb_addr[FB_POS(vport->x, vport->y + 0)];
		345	ry = 0;
3723	svoboda	346	}
3724	svoboda	347
		348	/* Move pixels line by line. */
		349	for (y = 0; y < height; y++) {
		350	memcpy(dp, sp, vport->cols * FONT_WIDTH
		351	* screen.pixelbytes);
		352
		353	sp += screen.scanline;
		354	dp += screen.scanline;
		355	}
		356
		357	/* Fill emptied area with background color. */
		358	draw_filled_rect(vport->x, vport->y + ry,
		359	vport->x + COL2X(vport->cols), vport->y + ry + dist,
		360	vport->style.bg_color);
1672	palkovsky	361	}
		362
3707	decky	363	/** Render glyphs
1558	palkovsky	364	*
3707	decky	365	* Convert glyphs from device independent font
		366	* description to current visual representation.
		367	*
		368	* @param vport Viewport
		369	*
1558	palkovsky	370	*/
3707	decky	371	static void render_glyphs(viewport_t* vport)
1363	vana	372	{
3707	decky	373	unsigned int glyph;
		374
		375	for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
		376	unsigned int y;
		377
		378	for (y = 0; y < FONT_SCANLINES; y++) {
		379	unsigned int x;
		380
		381	for (x = 0; x < FONT_WIDTH; x++) {
		382	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
		383	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		384	? vport->style.fg_color : vport->style.bg_color);
		385
		386	uint32_t curcolor;
		387
		388	if (y < FONT_SCANLINES - 2)
		389	curcolor =
		390	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		391	? vport->style.fg_color : vport->style.bg_color;
		392	else
		393	curcolor = vport->style.fg_color;
		394
		395	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
		396	}
1509	palkovsky	397	}
		398	}
3707	decky	399
		400	screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
1363	vana	401	}
		402
		403
1485	palkovsky	404	/** Create new viewport
1363	vana	405	*
3707	decky	406	* @param x Origin of the viewport (x).
		407	* @param y Origin of the viewport (y).
		408	* @param width Width of the viewport.
		409	* @param height Height of the viewport.
		410	*
		411	* @return New viewport number.
		412	*
1363	vana	413	*/
3707	decky	414	static int vport_create(unsigned int x, unsigned int y,
		415	unsigned int width, unsigned int height)
1363	vana	416	{
3707	decky	417	unsigned int i;
		418
2070	jermar	419	for (i = 0; i < MAX_VIEWPORTS; i++) {
1485	palkovsky	420	if (!viewports[i].initialized)
1363	vana	421	break;
		422	}
1485	palkovsky	423	if (i == MAX_VIEWPORTS)
		424	return ELIMIT;
3707	decky	425
		426	unsigned int cols = width / FONT_WIDTH;
		427	unsigned int rows = height / FONT_SCANLINES;
		428	unsigned int bbsize = cols * rows;
		429	unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
		430
		431	uint8_t backbuf = (uint8_t ) malloc(bbsize);
		432	if (!backbuf)
		433	return ENOMEM;
		434
		435	uint8_t glyphs = (uint8_t ) malloc(glyphsize);
		436	if (!glyphs) {
		437	free(backbuf);
		438	return ENOMEM;
		439	}
		440
		441	uint8_t bgpixel = (uint8_t ) malloc(screen.pixelbytes);
		442	if (!bgpixel) {
		443	free(glyphs);
		444	free(backbuf);
		445	return ENOMEM;
		446	}
		447
		448	memset(backbuf, 0, bbsize);
		449	memset(glyphs, 0, glyphsize);
		450	memset(bgpixel, 0, screen.pixelbytes);
		451
1485	palkovsky	452	viewports[i].x = x;
		453	viewports[i].y = y;
		454	viewports[i].width = width;
		455	viewports[i].height = height;
1363	vana	456
3707	decky	457	viewports[i].cols = cols;
		458	viewports[i].rows = rows;
		459
1509	palkovsky	460	viewports[i].style.bg_color = DEFAULT_BGCOLOR;
		461	viewports[i].style.fg_color = DEFAULT_FGCOLOR;
1363	vana	462
3707	decky	463	viewports[i].glyphs = glyphs;
		464	viewports[i].bgpixel = bgpixel;
		465
1489	palkovsky	466	viewports[i].cur_col = 0;
		467	viewports[i].cur_row = 0;
3707	decky	468	viewports[i].cursor_active = false;
		469	viewports[i].cursor_shown = false;
		470
		471	viewports[i].bbsize = bbsize;
		472	viewports[i].backbuf = backbuf;
		473
		474	viewports[i].initialized = true;
		475
		476	render_glyphs(&viewports[i]);
		477
1485	palkovsky	478	return i;
1363	vana	479	}
		480
3707	decky	481
1363	vana	482	/** Initialize framebuffer as a chardev output device
		483	*
3707	decky	484	* @param addr Address of the framebuffer
		485	* @param xres Screen width in pixels
		486	* @param yres Screen height in pixels
		487	* @param visual Bits per pixel (8, 16, 24, 32)
		488	* @param scan Bytes per one scanline
1363	vana	489	*
		490	*/
3707	decky	491	static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
		492	unsigned int scan, unsigned int visual)
1363	vana	493	{
1993	decky	494	switch (visual) {
		495	case VISUAL_INDIRECT_8:
3707	decky	496	screen.rgb_conv = rgb_323;
1886	jermar	497	screen.pixelbytes = 1;
		498	break;
1993	decky	499	case VISUAL_RGB_5_5_5:
3707	decky	500	screen.rgb_conv = rgb_555;
1886	jermar	501	screen.pixelbytes = 2;
		502	break;
1993	decky	503	case VISUAL_RGB_5_6_5:
3707	decky	504	screen.rgb_conv = rgb_565;
1993	decky	505	screen.pixelbytes = 2;
1886	jermar	506	break;
1993	decky	507	case VISUAL_RGB_8_8_8:
3707	decky	508	screen.rgb_conv = rgb_888;
1993	decky	509	screen.pixelbytes = 3;
		510	break;
		511	case VISUAL_RGB_8_8_8_0:
3707	decky	512	screen.rgb_conv = rgb_888;
1886	jermar	513	screen.pixelbytes = 4;
		514	break;
1993	decky	515	case VISUAL_RGB_0_8_8_8:
3707	decky	516	screen.rgb_conv = rgb_0888;
1993	decky	517	screen.pixelbytes = 4;
		518	break;
1994	decky	519	case VISUAL_BGR_0_8_8_8:
3707	decky	520	screen.rgb_conv = bgr_0888;
1994	decky	521	screen.pixelbytes = 4;
		522	break;
1993	decky	523	default:
		524	return false;
1363	vana	525	}
		526
3707	decky	527	screen.fb_addr = (unsigned char *) addr;
1485	palkovsky	528	screen.xres = xres;
		529	screen.yres = yres;
		530	screen.scanline = scan;
1363	vana	531
3707	decky	532	screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
		533	screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
		534
1485	palkovsky	535	/* Create first viewport */
3707	decky	536	vport_create(0, 0, xres, yres);
1993	decky	537
		538	return true;
1485	palkovsky	539	}
1363	vana	540
3707	decky	541
		542	/** Draw glyph at given position relative to viewport
		543	*
		544	* @param vport Viewport identification
		545	* @param cursor Draw glyph with cursor
		546	* @param col Screen position relative to viewport
		547	* @param row Screen position relative to viewport
		548	*
		549	*/
		550	static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
1500	palkovsky	551	{
3707	decky	552	unsigned int x = vport->x + COL2X(col);
		553	unsigned int y = vport->y + ROW2Y(row);
		554	unsigned int yd;
		555
		556	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		557
		558	for (yd = 0; yd < FONT_SCANLINES; yd++)
		559	memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
		560	&vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
		561	}
		562
		563
		564	/** Hide cursor if it is shown
		565	*
		566	*/
		567	static void cursor_hide(viewport_t *vport)
		568	{
		569	if ((vport->cursor_active) && (vport->cursor_shown)) {
		570	draw_glyph(vport, false, vport->cur_col, vport->cur_row);
		571	vport->cursor_shown = false;
1500	palkovsky	572	}
		573	}
		574
3707	decky	575
		576	/** Show cursor if cursor showing is enabled
		577	*
		578	*/
		579	static void cursor_show(viewport_t *vport)
1500	palkovsky	580	{
		581	/* Do not check for cursor_shown */
		582	if (vport->cursor_active) {
3707	decky	583	draw_glyph(vport, true, vport->cur_col, vport->cur_row);
		584	vport->cursor_shown = true;
1500	palkovsky	585	}
		586	}
		587
3707	decky	588
		589	/** Invert cursor, if it is enabled
		590	*
		591	*/
		592	static void cursor_blink(viewport_t *vport)
1500	palkovsky	593	{
		594	if (vport->cursor_shown)
1673	palkovsky	595	cursor_hide(vport);
1500	palkovsky	596	else
3707	decky	597	cursor_show(vport);
1500	palkovsky	598	}
		599
3707	decky	600
		601	/** Draw character at given position relative to viewport
		602	*
		603	* @param vport Viewport identification
		604	* @param c Character to draw
		605	* @param col Screen position relative to viewport
		606	* @param row Screen position relative to viewport
		607	*
1498	palkovsky	608	*/
3707	decky	609	static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
1486	palkovsky	610	{
3707	decky	611	/* Do not hide cursor if we are going to overwrite it */
		612	if ((vport->cursor_active) && (vport->cursor_shown) &&
		613	((vport->cur_col != col) \|\| (vport->cur_row != row)))
		614	cursor_hide(vport);
1486	palkovsky	615
3715	svoboda	616	vport->backbuf[BB_POS(vport, col, row)] = c;
		617	draw_glyph(vport, false, col, row);
3707	decky	618
1489	palkovsky	619	vport->cur_col = col;
		620	vport->cur_row = row;
3707	decky	621
1489	palkovsky	622	vport->cur_col++;
2025	jermar	623	if (vport->cur_col >= vport->cols) {
1489	palkovsky	624	vport->cur_col = 0;
		625	vport->cur_row++;
		626	if (vport->cur_row >= vport->rows)
		627	vport->cur_row--;
1486	palkovsky	628	}
3707	decky	629
		630	cursor_show(vport);
1486	palkovsky	631	}
		632
3707	decky	633
1552	palkovsky	634	/** Draw text data to viewport
		635	*
1709	jermar	636	* @param vport Viewport id
3707	decky	637	* @param data Text data fitting exactly into viewport
		638	*
1552	palkovsky	639	*/
3707	decky	640	static void draw_text_data(viewport_t vport, keyfield_t data)
1505	palkovsky	641	{
3707	decky	642	unsigned int i;
		643
2025	jermar	644	for (i = 0; i < vport->cols * vport->rows; i++) {
3707	decky	645	unsigned int col = i % vport->cols;
		646	unsigned int row = i / vport->cols;
		647
		648	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		649
		650	// TODO: use data[i].style
		651
		652	if (glyph != data[i].character) {
		653	vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
		654	draw_glyph(vport, false, col, row);
		655	}
1505	palkovsky	656	}
3707	decky	657	cursor_show(vport);
1505	palkovsky	658	}
		659
3707	decky	660
		661	static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
1555	palkovsky	662	{
3707	decky	663	int pm = ((int ) data);
		664	pixmap_t *pmap = &pixmaps[pm];
		665	unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
1555	palkovsky	666
3707	decky	667	screen.rgb_conv(&pmap->data[pos], color);
		668	}
		669
		670
		671	static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
		672	{
		673	viewport_t vport = (viewport_t ) data;
		674	unsigned int dx = vport->x + x;
		675	unsigned int dy = vport->y + y;
		676
		677	screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
		678	}
		679
		680
		681	/** Return first free pixmap
		682	*
		683	*/
		684	static int find_free_pixmap(void)
		685	{
		686	unsigned int i;
		687
		688	for (i = 0; i < MAX_PIXMAPS; i++)
1555	palkovsky	689	if (!pixmaps[i].data)
		690	return i;
3707	decky	691
1555	palkovsky	692	return -1;
		693	}
		694
		695
3707	decky	696	/** Create a new pixmap and return appropriate ID
		697	*
		698	*/
		699	static int shm2pixmap(unsigned char *shm, size_t size)
1555	palkovsky	700	{
		701	int pm;
		702	pixmap_t *pmap;
3707	decky	703
1555	palkovsky	704	pm = find_free_pixmap();
		705	if (pm == -1)
		706	return ELIMIT;
3707	decky	707
1555	palkovsky	708	pmap = &pixmaps[pm];
		709
		710	if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
		711	return EINVAL;
		712
		713	pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
		714	if (!pmap->data)
		715	return ENOMEM;
3707	decky	716
		717	ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
		718
1555	palkovsky	719	return pm;
		720	}
		721
3707	decky	722
1552	palkovsky	723	/** Handle shared memory communication calls
		724	*
		725	* Protocol for drawing pixmaps:
		726	* - FB_PREPARE_SHM(client shm identification)
2025	jermar	727	* - IPC_M_AS_AREA_SEND
3707	decky	728	* - FB_DRAW_PPM(startx, starty)
1552	palkovsky	729	* - FB_DROP_SHM
		730	*
		731	* Protocol for text drawing
2025	jermar	732	* - IPC_M_AS_AREA_SEND
1552	palkovsky	733	* - FB_DRAW_TEXT_DATA
		734	*
		735	* @param callid Callid of the current call
3707	decky	736	* @param call Current call data
		737	* @param vp Active viewport
1552	palkovsky	738	*
3707	decky	739	* @return false if the call was not handled byt this function, true otherwise
		740	*
		741	* Note: this function is not threads safe, you would have
1552	palkovsky	742	* to redefine static variables with __thread
3707	decky	743	*
1552	palkovsky	744	*/
3707	decky	745	static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1547	palkovsky	746	{
		747	static keyfield_t *interbuffer = NULL;
		748	static size_t intersize = 0;
3707	decky	749
1720	palkovsky	750	static unsigned char *shm = NULL;
1555	palkovsky	751	static ipcarg_t shm_id = 0;
		752	static size_t shm_size;
3707	decky	753
		754	bool handled = true;
		755	int retval = EOK;
1547	palkovsky	756	viewport_t *vport = &viewports[vp];
3707	decky	757	unsigned int x;
		758	unsigned int y;
		759
1547	palkovsky	760	switch (IPC_GET_METHOD(*call)) {
2677	jermar	761	case IPC_M_SHARE_OUT:
1547	palkovsky	762	/* We accept one area for data interchange */
1555	palkovsky	763	if (IPC_GET_ARG1(*call) == shm_id) {
2141	jermar	764	void dest = as_get_mappable_page(IPC_GET_ARG2(call));
1555	palkovsky	765	shm_size = IPC_GET_ARG2(*call);
3707	decky	766	if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
1555	palkovsky	767	shm = dest;
1547	palkovsky	768	else
1555	palkovsky	769	shm_id = 0;
3707	decky	770
1555	palkovsky	771	if (shm[0] != 'P')
3707	decky	772	return false;
		773
		774	return true;
1547	palkovsky	775	} else {
		776	intersize = IPC_GET_ARG2(*call);
2015	jermar	777	receive_comm_area(callid, call, (void *) &interbuffer);
1547	palkovsky	778	}
3707	decky	779	return true;
1547	palkovsky	780	case FB_PREPARE_SHM:
1555	palkovsky	781	if (shm_id)
1547	palkovsky	782	retval = EBUSY;
		783	else
1555	palkovsky	784	shm_id = IPC_GET_ARG1(*call);
1547	palkovsky	785	break;
		786
		787	case FB_DROP_SHM:
1555	palkovsky	788	if (shm) {
		789	as_area_destroy(shm);
		790	shm = NULL;
1547	palkovsky	791	}
1555	palkovsky	792	shm_id = 0;
1547	palkovsky	793	break;
3707	decky	794
1555	palkovsky	795	case FB_SHM2PIXMAP:
		796	if (!shm) {
		797	retval = EINVAL;
		798	break;
		799	}
		800	retval = shm2pixmap(shm, shm_size);
		801	break;
1547	palkovsky	802	case FB_DRAW_PPM:
1555	palkovsky	803	if (!shm) {
1547	palkovsky	804	retval = EINVAL;
		805	break;
		806	}
		807	x = IPC_GET_ARG1(*call);
		808	y = IPC_GET_ARG2(*call);
3707	decky	809
		810	if ((x > vport->width) \|\| (y > vport->height)) {
1547	palkovsky	811	retval = EINVAL;
		812	break;
		813	}
		814
2025	jermar	815	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
3707	decky	816	IPC_GET_ARG2(call), vport->width - x, vport->height - y, putpixel, (void ) vport);
1547	palkovsky	817	break;
		818	case FB_DRAW_TEXT_DATA:
		819	if (!interbuffer) {
		820	retval = EINVAL;
		821	break;
		822	}
3707	decky	823	if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
1547	palkovsky	824	retval = EINVAL;
		825	break;
		826	}
1673	palkovsky	827	draw_text_data(vport, interbuffer);
1547	palkovsky	828	break;
		829	default:
3707	decky	830	handled = false;
1547	palkovsky	831	}
		832
		833	if (handled)
2619	jermar	834	ipc_answer_0(callid, retval);
1547	palkovsky	835	return handled;
		836	}
		837
3707	decky	838
		839	static void copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)
1552	palkovsky	840	{
3707	decky	841	unsigned int width = vport->width;
		842	unsigned int height = vport->height;
		843
1711	palkovsky	844	if (width + vport->x > screen.xres)
		845	width = screen.xres - vport->x;
2301	decky	846	if (height + vport->y > screen.yres)
1711	palkovsky	847	height = screen.yres - vport->y;
2301	decky	848
3707	decky	849	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		850	unsigned int realheight = pmap->height <= height ? pmap->height : height;
2301	decky	851
3707	decky	852	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		853	unsigned int realrowsize = realwidth * screen.pixelbytes;
		854
		855	unsigned int y;
2301	decky	856	for (y = 0; y < realheight; y++) {
3707	decky	857	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		858	memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
1711	palkovsky	859	}
		860	}
		861
3707	decky	862
		863	/** Save viewport to pixmap
		864	*
		865	*/
		866	static int save_vp_to_pixmap(viewport_t *vport)
1711	palkovsky	867	{
		868	int pm;
		869	pixmap_t *pmap;
3707	decky	870
1552	palkovsky	871	pm = find_free_pixmap();
		872	if (pm == -1)
		873	return ELIMIT;
		874
		875	pmap = &pixmaps[pm];
		876	pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
		877	if (!pmap->data)
		878	return ENOMEM;
3707	decky	879
1552	palkovsky	880	pmap->width = vport->width;
		881	pmap->height = vport->height;
3707	decky	882
1711	palkovsky	883	copy_vp_to_pixmap(vport, pmap);
1552	palkovsky	884
		885	return pm;
		886	}
		887
3707	decky	888
1552	palkovsky	889	/** Draw pixmap on screen
		890	*
		891	* @param vp Viewport to draw on
		892	* @param pm Pixmap identifier
3707	decky	893	*
1552	palkovsky	894	*/
		895	static int draw_pixmap(int vp, int pm)
		896	{
		897	pixmap_t *pmap = &pixmaps[pm];
		898	viewport_t *vport = &viewports[vp];
3707	decky	899
		900	unsigned int width = vport->width;
		901	unsigned int height = vport->height;
		902
1711	palkovsky	903	if (width + vport->x > screen.xres)
		904	width = screen.xres - vport->x;
		905	if (height + vport->y > screen.yres)
		906	height = screen.yres - vport->y;
3707	decky	907
1552	palkovsky	908	if (!pmap->data)
		909	return EINVAL;
3707	decky	910
		911	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		912	unsigned int realheight = pmap->height <= height ? pmap->height : height;
		913
		914	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		915	unsigned int realrowsize = realwidth * screen.pixelbytes;
		916
		917	unsigned int y;
2070	jermar	918	for (y = 0; y < realheight; y++) {
3707	decky	919	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		920	memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
1552	palkovsky	921	}
3707	decky	922
		923	return EOK;
1552	palkovsky	924	}
		925
3707	decky	926
		927	/** Tick animation one step forward
		928	*
		929	*/
		930	static void anims_tick(void)
1646	palkovsky	931	{
3707	decky	932	unsigned int i;
1646	palkovsky	933	static int counts = 0;
		934
		935	/* Limit redrawing */
2025	jermar	936	counts = (counts + 1) % 8;
1646	palkovsky	937	if (counts)
		938	return;
		939
2070	jermar	940	for (i = 0; i < MAX_ANIMATIONS; i++) {
3707	decky	941	if ((!animations[i].animlen) \|\| (!animations[i].initialized) \|\|
		942	(!animations[i].enabled))
1646	palkovsky	943	continue;
3707	decky	944
		945	draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
		946	animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
1646	palkovsky	947	}
		948	}
		949
1711	palkovsky	950
3707	decky	951	static unsigned int pointer_x;
		952	static unsigned int pointer_y;
		953	static bool pointer_shown, pointer_enabled;
1711	palkovsky	954	static int pointer_vport = -1;
		955	static int pointer_pixmap = -1;
		956
3707	decky	957
		958	static void mouse_show(void)
1711	palkovsky	959	{
2070	jermar	960	int i, j;
1711	palkovsky	961	int visibility;
		962	int color;
		963	int bytepos;
3707	decky	964
		965	if ((pointer_shown) \|\| (!pointer_enabled))
1723	palkovsky	966	return;
3707	decky	967
3723	svoboda	968	/* Save image under the pointer. */
1711	palkovsky	969	if (pointer_vport == -1) {
3707	decky	970	pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
1711	palkovsky	971	if (pointer_vport < 0)
		972	return;
		973	} else {
		974	viewports[pointer_vport].x = pointer_x;
		975	viewports[pointer_vport].y = pointer_y;
		976	}
3707	decky	977
1711	palkovsky	978	if (pointer_pixmap == -1)
		979	pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
		980	else
3707	decky	981	copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
		982
3723	svoboda	983	/* Draw mouse pointer. */
2025	jermar	984	for (i = 0; i < pointer_height; i++)
		985	for (j = 0; j < pointer_width; j++) {
		986	bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
2070	jermar	987	visibility = pointer_mask_bits[bytepos] &
2619	jermar	988	(1 << (j % 8));
1711	palkovsky	989	if (visibility) {
2619	jermar	990	color = pointer_bits[bytepos] &
		991	(1 << (j % 8)) ? 0 : 0xffffff;
2025	jermar	992	if (pointer_x + j < screen.xres && pointer_y +
2619	jermar	993	i < screen.yres)
2025	jermar	994	putpixel(&viewports[0], pointer_x + j,
2619	jermar	995	pointer_y + i, color);
1711	palkovsky	996	}
		997	}
		998	pointer_shown = 1;
		999	}
		1000
3707	decky	1001
		1002	static void mouse_hide(void)
1711	palkovsky	1003	{
3723	svoboda	1004	/* Restore image under the pointer. */
1711	palkovsky	1005	if (pointer_shown) {
		1006	draw_pixmap(pointer_vport, pointer_pixmap);
		1007	pointer_shown = 0;
		1008	}
		1009	}
		1010
3707	decky	1011
		1012	static void mouse_move(unsigned int x, unsigned int y)
1711	palkovsky	1013	{
		1014	mouse_hide();
		1015	pointer_x = x;
		1016	pointer_y = y;
		1017	mouse_show();
		1018	}
		1019
3707	decky	1020
		1021	static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1646	palkovsky	1022	{
3707	decky	1023	bool handled = true;
		1024	int retval = EOK;
		1025	int i, nvp;
1646	palkovsky	1026	int newval;
3707	decky	1027
1646	palkovsky	1028	switch (IPC_GET_METHOD(*call)) {
		1029	case FB_ANIM_CREATE:
		1030	nvp = IPC_GET_ARG1(*call);
		1031	if (nvp == -1)
		1032	nvp = vp;
2025	jermar	1033	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		1034	!viewports[nvp].initialized) {
1646	palkovsky	1035	retval = EINVAL;
		1036	break;
		1037	}
2025	jermar	1038	for (i = 0; i < MAX_ANIMATIONS; i++) {
		1039	if (!animations[i].initialized)
1646	palkovsky	1040	break;
		1041	}
		1042	if (i == MAX_ANIMATIONS) {
		1043	retval = ELIMIT;
		1044	break;
		1045	}
		1046	animations[i].initialized = 1;
		1047	animations[i].animlen = 0;
		1048	animations[i].pos = 0;
		1049	animations[i].enabled = 0;
		1050	animations[i].vp = nvp;
		1051	retval = i;
		1052	break;
		1053	case FB_ANIM_DROP:
		1054	i = IPC_GET_ARG1(*call);
1720	palkovsky	1055	if (i >= MAX_ANIMATIONS \|\| i < 0) {
1646	palkovsky	1056	retval = EINVAL;
		1057	break;
		1058	}
		1059	animations[i].initialized = 0;
		1060	break;
		1061	case FB_ANIM_ADDPIXMAP:
		1062	i = IPC_GET_ARG1(*call);
2025	jermar	1063	if (i >= MAX_ANIMATIONS \|\| i < 0 \|\|
		1064	!animations[i].initialized) {
1646	palkovsky	1065	retval = EINVAL;
		1066	break;
		1067	}
		1068	if (animations[i].animlen == MAX_ANIM_LEN) {
		1069	retval = ELIMIT;
		1070	break;
		1071	}
		1072	newval = IPC_GET_ARG2(*call);
2025	jermar	1073	if (newval < 0 \|\| newval > MAX_PIXMAPS \|\|
		1074	!pixmaps[newval].data) {
1646	palkovsky	1075	retval = EINVAL;
		1076	break;
		1077	}
		1078	animations[i].pixmaps[animations[i].animlen++] = newval;
		1079	break;
		1080	case FB_ANIM_CHGVP:
		1081	i = IPC_GET_ARG1(*call);
		1082	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1083	retval = EINVAL;
		1084	break;
		1085	}
		1086	nvp = IPC_GET_ARG2(*call);
		1087	if (nvp == -1)
		1088	nvp = vp;
2025	jermar	1089	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		1090	!viewports[nvp].initialized) {
1646	palkovsky	1091	retval = EINVAL;
		1092	break;
		1093	}
		1094	animations[i].vp = nvp;
		1095	break;
		1096	case FB_ANIM_START:
		1097	case FB_ANIM_STOP:
		1098	i = IPC_GET_ARG1(*call);
		1099	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1100	retval = EINVAL;
		1101	break;
		1102	}
		1103	newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
		1104	if (newval ^ animations[i].enabled) {
		1105	animations[i].enabled = newval;
		1106	anims_enabled += newval ? 1 : -1;
		1107	}
		1108	break;
		1109	default:
		1110	handled = 0;
		1111	}
		1112	if (handled)
2619	jermar	1113	ipc_answer_0(callid, retval);
1646	palkovsky	1114	return handled;
		1115	}
		1116
3707	decky	1117
		1118	/** Handler for messages concerning pixmap handling
		1119	*
		1120	*/
		1121	static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1552	palkovsky	1122	{
3707	decky	1123	bool handled = true;
		1124	int retval = EOK;
		1125	int i, nvp;
		1126
1552	palkovsky	1127	switch (IPC_GET_METHOD(*call)) {
		1128	case FB_VP_DRAW_PIXMAP:
		1129	nvp = IPC_GET_ARG1(*call);
		1130	if (nvp == -1)
		1131	nvp = vp;
2025	jermar	1132	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1133	!viewports[nvp].initialized) {
1552	palkovsky	1134	retval = EINVAL;
		1135	break;
		1136	}
		1137	i = IPC_GET_ARG2(*call);
		1138	retval = draw_pixmap(nvp, i);
		1139	break;
		1140	case FB_VP2PIXMAP:
		1141	nvp = IPC_GET_ARG1(*call);
		1142	if (nvp == -1)
		1143	nvp = vp;
2025	jermar	1144	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1145	!viewports[nvp].initialized)
1552	palkovsky	1146	retval = EINVAL;
		1147	else
1711	palkovsky	1148	retval = save_vp_to_pixmap(&viewports[nvp]);
1552	palkovsky	1149	break;
		1150	case FB_DROP_PIXMAP:
		1151	i = IPC_GET_ARG1(*call);
		1152	if (i >= MAX_PIXMAPS) {
		1153	retval = EINVAL;
		1154	break;
		1155	}
		1156	if (pixmaps[i].data) {
		1157	free(pixmaps[i].data);
		1158	pixmaps[i].data = NULL;
		1159	}
		1160	break;
		1161	default:
		1162	handled = 0;
		1163	}
3707	decky	1164
1552	palkovsky	1165	if (handled)
2619	jermar	1166	ipc_answer_0(callid, retval);
1552	palkovsky	1167	return handled;
		1168
		1169	}
		1170
1498	palkovsky	1171	/** Function for handling connections to FB
		1172	*
		1173	*/
3707	decky	1174	static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1363	vana	1175	{
3707	decky	1176	unsigned int vp = 0;
		1177	viewport_t *vport = &viewports[vp];
		1178
1485	palkovsky	1179	if (client_connected) {
2619	jermar	1180	ipc_answer_0(iid, ELIMIT);
1485	palkovsky	1181	return;
		1182	}
3707	decky	1183
		1184	/* Accept connection */
		1185	client_connected = true;
		1186	ipc_answer_0(iid, EOK);
		1187
		1188	while (true) {
		1189	ipc_callid_t callid;
		1190	ipc_call_t call;
		1191	int retval;
		1192	unsigned int i;
		1193	int scroll;
		1194	uint8_t glyph;
		1195	unsigned int row, col;
		1196
		1197	if ((vport->cursor_active) \|\| (anims_enabled))
2070	jermar	1198	callid = async_get_call_timeout(&call, 250000);
1640	palkovsky	1199	else
		1200	callid = async_get_call(&call);
3707	decky	1201
1713	palkovsky	1202	mouse_hide();
1500	palkovsky	1203	if (!callid) {
1673	palkovsky	1204	cursor_blink(vport);
1646	palkovsky	1205	anims_tick();
1723	palkovsky	1206	mouse_show();
1500	palkovsky	1207	continue;
		1208	}
3707	decky	1209
1547	palkovsky	1210	if (shm_handle(callid, &call, vp))
		1211	continue;
3707	decky	1212
1552	palkovsky	1213	if (pixmap_handle(callid, &call, vp))
		1214	continue;
3707	decky	1215
1646	palkovsky	1216	if (anim_handle(callid, &call, vp))
		1217	continue;
3707	decky	1218
		1219	switch (IPC_GET_METHOD(call)) {
1485	palkovsky	1220	case IPC_M_PHONE_HUNGUP:
3707	decky	1221	client_connected = false;
		1222
		1223	/* Cleanup other viewports */
2025	jermar	1224	for (i = 1; i < MAX_VIEWPORTS; i++)
3707	decky	1225	vport->initialized = false;
		1226
		1227	/* Exit thread */
		1228	return;
		1229
1485	palkovsky	1230	case FB_PUTCHAR:
3707	decky	1231	glyph = IPC_GET_ARG1(call);
1485	palkovsky	1232	row = IPC_GET_ARG2(call);
		1233	col = IPC_GET_ARG3(call);
3707	decky	1234
		1235	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1485	palkovsky	1236	retval = EINVAL;
		1237	break;
		1238	}
2619	jermar	1239	ipc_answer_0(callid, EOK);
3707	decky	1240
		1241	draw_char(vport, glyph, col, row);
		1242
		1243	/* Message already answered */
		1244	continue;
1485	palkovsky	1245	case FB_CLEAR:
3707	decky	1246	vport_clear(vport);
		1247	cursor_show(vport);
		1248	retval = EOK;
1485	palkovsky	1249	break;
3707	decky	1250	case FB_CURSOR_GOTO:
1486	palkovsky	1251	row = IPC_GET_ARG1(call);
		1252	col = IPC_GET_ARG2(call);
3707	decky	1253
		1254	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1486	palkovsky	1255	retval = EINVAL;
		1256	break;
		1257	}
3707	decky	1258	retval = EOK;
		1259
1673	palkovsky	1260	cursor_hide(vport);
1486	palkovsky	1261	vport->cur_col = col;
		1262	vport->cur_row = row;
3707	decky	1263	cursor_show(vport);
		1264	break;
1486	palkovsky	1265	case FB_CURSOR_VISIBILITY:
1673	palkovsky	1266	cursor_hide(vport);
1500	palkovsky	1267	vport->cursor_active = IPC_GET_ARG1(call);
3707	decky	1268	cursor_show(vport);
		1269	retval = EOK;
1486	palkovsky	1270	break;
1485	palkovsky	1271	case FB_GET_CSIZE:
2619	jermar	1272	ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1485	palkovsky	1273	continue;
1486	palkovsky	1274	case FB_SCROLL:
3707	decky	1275	scroll = IPC_GET_ARG1(call);
		1276	if ((scroll > (int) vport->rows) \|\| (scroll < (-(int) vport->rows))) {
1486	palkovsky	1277	retval = EINVAL;
		1278	break;
		1279	}
1673	palkovsky	1280	cursor_hide(vport);
3707	decky	1281	vport_scroll(vport, scroll);
		1282	cursor_show(vport);
		1283	retval = EOK;
1486	palkovsky	1284	break;
		1285	case FB_VIEWPORT_SWITCH:
		1286	i = IPC_GET_ARG1(call);
3707	decky	1287	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1288	retval = EINVAL;
		1289	break;
		1290	}
3707	decky	1291	if (!viewports[i].initialized) {
1486	palkovsky	1292	retval = EADDRNOTAVAIL;
		1293	break;
		1294	}
1673	palkovsky	1295	cursor_hide(vport);
1486	palkovsky	1296	vp = i;
		1297	vport = &viewports[vp];
3707	decky	1298	cursor_show(vport);
		1299	retval = EOK;
1486	palkovsky	1300	break;
		1301	case FB_VIEWPORT_CREATE:
3707	decky	1302	retval = vport_create(IPC_GET_ARG1(call) >> 16,
2619	jermar	1303	IPC_GET_ARG1(call) & 0xffff,
		1304	IPC_GET_ARG2(call) >> 16,
		1305	IPC_GET_ARG2(call) & 0xffff);
1486	palkovsky	1306	break;
		1307	case FB_VIEWPORT_DELETE:
		1308	i = IPC_GET_ARG1(call);
3707	decky	1309	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1310	retval = EINVAL;
		1311	break;
		1312	}
3707	decky	1313	if (!viewports[i].initialized) {
1486	palkovsky	1314	retval = EADDRNOTAVAIL;
		1315	break;
		1316	}
3707	decky	1317	viewports[i].initialized = false;
		1318	if (viewports[i].glyphs)
		1319	free(viewports[i].glyphs);
		1320	if (viewports[i].bgpixel)
		1321	free(viewports[i].bgpixel);
		1322	if (viewports[i].backbuf)
		1323	free(viewports[i].backbuf);
		1324	retval = EOK;
1486	palkovsky	1325	break;
		1326	case FB_SET_STYLE:
1509	palkovsky	1327	vport->style.fg_color = IPC_GET_ARG1(call);
		1328	vport->style.bg_color = IPC_GET_ARG2(call);
3707	decky	1329	render_glyphs(vport);
		1330	retval = EOK;
1486	palkovsky	1331	break;
		1332	case FB_GET_RESOLUTION:
2619	jermar	1333	ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1486	palkovsky	1334	continue;
1707	palkovsky	1335	case FB_POINTER_MOVE:
3707	decky	1336	pointer_enabled = true;
1711	palkovsky	1337	mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
3707	decky	1338	retval = EOK;
1707	palkovsky	1339	break;
1485	palkovsky	1340	default:
		1341	retval = ENOENT;
		1342	}
2619	jermar	1343	ipc_answer_0(callid, retval);
1363	vana	1344	}
1485	palkovsky	1345	}
1363	vana	1346
3707	decky	1347	/** Initialization of framebuffer
		1348	*
		1349	*/
		1350	int fb_init(void)
1485	palkovsky	1351	{
1490	palkovsky	1352	async_set_client_connection(fb_client_connection);
1485	palkovsky	1353
3707	decky	1354	void fb_ph_addr = (void ) sysinfo_value("fb.address.physical");
		1355	unsigned int fb_offset = sysinfo_value("fb.offset");
		1356	unsigned int fb_width = sysinfo_value("fb.width");
		1357	unsigned int fb_height = sysinfo_value("fb.height");
		1358	unsigned int fb_scanline = sysinfo_value("fb.scanline");
		1359	unsigned int fb_visual = sysinfo_value("fb.visual");
		1360
		1361	unsigned int fbsize = fb_scanline * fb_height;
		1362	void *fb_addr = as_get_mappable_page(fbsize);
		1363
		1364	physmem_map(fb_ph_addr + fb_offset, fb_addr,
		1365	ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ \| AS_AREA_WRITE);
		1366
		1367	if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1993	decky	1368	return 0;
		1369
		1370	return -1;
1363	vana	1371	}
1490	palkovsky	1372
3707	decky	1373	/**
1649	cejka	1374	* @}
		1375	*/

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(root)//trunk/uspace/srv/fb/fb.c – Rev 3725