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

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(root)//trunk/uspace/srv/fb/fb.c – Rev 3724