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
3707	decky	142	#define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
		143	#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
		144	#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))
1363	vana	145
3707	decky	146	#define COL2X(col) ((col) * FONT_WIDTH)
		147	#define ROW2Y(row) ((row) * FONT_SCANLINES)
1363	vana	148
3707	decky	149	#define X2COL(x) ((x) / FONT_WIDTH)
		150	#define Y2ROW(y) ((y) / FONT_SCANLINES)
1363	vana	151
3707	decky	152	#define FB_POS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes)
		153	#define BB_POS(vport, col, row) ((row) * vport->cols + (col))
		154	#define GLYPH_POS(glyph, y, cursor) (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
1875	jermar	155
1363	vana	156
3707	decky	157	/** ARGB 8:8:8:8 conversion
		158	*
		159	*/
		160	static void rgb_0888(void *dst, uint32_t rgb)
1363	vana	161	{
3707	decky	162	((uint32_t ) dst) = rgb & 0xffffff;
1363	vana	163	}
		164
1994	decky	165
3707	decky	166	/** ABGR 8:8:8:8 conversion
		167	*
		168	*/
		169	static void bgr_0888(void *dst, uint32_t rgb)
1994	decky	170	{
3707	decky	171	((uint32_t ) dst)
		172	= (BLUE(rgb, 8) << 16) \| (GREEN(rgb, 8) << 8) \| RED(rgb, 8);
1994	decky	173	}
		174
3707	decky	175
		176	/** BGR 8:8:8 conversion
		177	*
		178	*/
		179	static void rgb_888(void *dst, uint32_t rgb)
1363	vana	180	{
1871	jermar	181	#if defined(FB_INVERT_ENDIAN)
3707	decky	182	((uint32_t ) dst)
		183	= (BLUE(rgb, 8) << 16) \| (GREEN(rgb, 8) << 8) \| RED(rgb, 8)
		184	\| (((uint32_t ) dst) & 0xff0000);
1363	vana	185	#else
3707	decky	186	((uint32_t ) dst)
		187	= (rgb & 0xffffff) \| (((uint32_t ) dst) & 0xff0000);
1363	vana	188	#endif
		189	}
		190
		191
3707	decky	192	/** RGB 5:5:5 conversion
		193	*
		194	*/
		195	static void rgb_555(void *dst, uint32_t rgb)
1993	decky	196	{
3707	decky	197	((uint16_t ) dst)
		198	= (RED(rgb, 5) << 10) \| (GREEN(rgb, 5) << 5) \| BLUE(rgb, 5);
1993	decky	199	}
		200
		201
3707	decky	202	/** RGB 5:6:5 conversion
		203	*
		204	*/
		205	static void rgb_565(void *dst, uint32_t rgb)
1363	vana	206	{
3707	decky	207	((uint16_t ) dst)
		208	= (RED(rgb, 5) << 11) \| (GREEN(rgb, 6) << 5) \| BLUE(rgb, 5);
1363	vana	209	}
		210
		211
3707	decky	212	/** RGB 3:2:3
		213	*
		214	*/
		215	static void rgb_323(void *dst, uint32_t rgb)
1363	vana	216	{
3707	decky	217	((uint8_t ) dst)
		218	= ~((RED(rgb, 3) << 5) \| (GREEN(rgb, 2) << 3) \| BLUE(rgb, 3));
1363	vana	219	}
		220
		221
3707	decky	222	/** Redraw viewport
1498	palkovsky	223	*
3707	decky	224	* @param vport Viewport to redraw
		225	*
1498	palkovsky	226	*/
3707	decky	227	static void vport_redraw(viewport_t *vport)
1485	palkovsky	228	{
3707	decky	229	unsigned int row;
		230
		231	for (row = 0; row < vport->rows; row++) {
		232	unsigned int y = vport->y + ROW2Y(row);
		233	unsigned int yd;
		234
		235	for (yd = 0; yd < FONT_SCANLINES; yd++) {
		236	unsigned int x;
		237	unsigned int col;
		238
		239	for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH)
		240	memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
		241	&vport->glyphs[GLYPH_POS(vport->backbuf[BB_POS(vport, col, row)], yd, false)],
		242	screen.glyphscanline);
		243	}
1672	palkovsky	244	}
3707	decky	245
		246	if (COL2X(vport->cols) < vport->width) {
		247	unsigned int y;
		248
		249	for (y = 0; y < vport->height; y++) {
		250	unsigned int x;
		251
		252	for (x = COL2X(vport->cols); x < vport->width; x++)
		253	memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
		254	}
1672	palkovsky	255	}
3707	decky	256
		257	if (ROW2Y(vport->rows) < vport->height) {
		258	unsigned int y;
		259
		260	for (y = ROW2Y(vport->rows); y < vport->height; y++) {
		261	unsigned int x;
		262
		263	for (x = 0; x < vport->width; x++)
		264	memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
1672	palkovsky	265	}
		266	}
1559	palkovsky	267	}
		268
3707	decky	269
		270	/** Clear viewport
		271	*
		272	* @param vport Viewport to clear
		273	*
		274	*/
		275	static void vport_clear(viewport_t *vport)
1363	vana	276	{
3707	decky	277	memset(vport->backbuf, 0, vport->bbsize);
		278	vport_redraw(vport);
1363	vana	279	}
		280
3707	decky	281
		282	/** Scroll viewport by given number of lines
1485	palkovsky	283	*
1709	jermar	284	* @param vport Viewport to scroll
3707	decky	285	* @param lines Number of lines to scroll
		286	*
1485	palkovsky	287	*/
3707	decky	288	static void vport_scroll(viewport_t *vport, int lines)
1363	vana	289	{
3707	decky	290	unsigned int row;
		291
		292	for (row = 0; row < vport->rows; row++) {
		293	unsigned int y = vport->y + ROW2Y(row);
		294	unsigned int yd;
		295
		296	for (yd = 0; yd < FONT_SCANLINES; yd++) {
		297	unsigned int x;
		298	unsigned int col;
		299
		300	for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH) {
		301	uint8_t glyph;
		302
		303	if ((row + lines >= 0) && (row + lines < vport->rows)) {
		304	if (vport->backbuf[BB_POS(vport, col, row)] == vport->backbuf[BB_POS(vport, col, row + lines)])
		305	continue;
		306
		307	glyph = vport->backbuf[BB_POS(vport, col, row + lines)];
		308	} else
		309	glyph = 0;
		310
		311	memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
		312	&vport->glyphs[GLYPH_POS(glyph, yd, false)], screen.glyphscanline);
		313	}
		314	}
1485	palkovsky	315	}
3707	decky	316
1672	palkovsky	317	if (lines > 0) {
3707	decky	318	memcpy(vport->backbuf, vport->backbuf + vport->cols * lines, vport->cols * (vport->rows - lines));
		319	memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], 0, vport->cols * lines);
		320	} else {
		321	memcpy(vport->backbuf - vport->cols * lines, vport->backbuf, vport->cols * (vport->rows + lines));
		322	memset(vport->backbuf, 0, - vport->cols * lines);
1672	palkovsky	323	}
		324	}
		325
		326
3707	decky	327	/** Render glyphs
1558	palkovsky	328	*
3707	decky	329	* Convert glyphs from device independent font
		330	* description to current visual representation.
		331	*
		332	* @param vport Viewport
		333	*
1558	palkovsky	334	*/
3707	decky	335	static void render_glyphs(viewport_t* vport)
1363	vana	336	{
3707	decky	337	unsigned int glyph;
		338
		339	for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
		340	unsigned int y;
		341
		342	for (y = 0; y < FONT_SCANLINES; y++) {
		343	unsigned int x;
		344
		345	for (x = 0; x < FONT_WIDTH; x++) {
		346	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
		347	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		348	? vport->style.fg_color : vport->style.bg_color);
		349
		350	uint32_t curcolor;
		351
		352	if (y < FONT_SCANLINES - 2)
		353	curcolor =
		354	(fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
		355	? vport->style.fg_color : vport->style.bg_color;
		356	else
		357	curcolor = vport->style.fg_color;
		358
		359	screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
		360	}
1509	palkovsky	361	}
		362	}
3707	decky	363
		364	screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
1363	vana	365	}
		366
		367
1485	palkovsky	368	/** Create new viewport
1363	vana	369	*
3707	decky	370	* @param x Origin of the viewport (x).
		371	* @param y Origin of the viewport (y).
		372	* @param width Width of the viewport.
		373	* @param height Height of the viewport.
		374	*
		375	* @return New viewport number.
		376	*
1363	vana	377	*/
3707	decky	378	static int vport_create(unsigned int x, unsigned int y,
		379	unsigned int width, unsigned int height)
1363	vana	380	{
3707	decky	381	unsigned int i;
		382
2070	jermar	383	for (i = 0; i < MAX_VIEWPORTS; i++) {
1485	palkovsky	384	if (!viewports[i].initialized)
1363	vana	385	break;
		386	}
1485	palkovsky	387	if (i == MAX_VIEWPORTS)
		388	return ELIMIT;
3707	decky	389
		390	unsigned int cols = width / FONT_WIDTH;
		391	unsigned int rows = height / FONT_SCANLINES;
		392	unsigned int bbsize = cols * rows;
		393	unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
		394
		395	uint8_t backbuf = (uint8_t ) malloc(bbsize);
		396	if (!backbuf)
		397	return ENOMEM;
		398
		399	uint8_t glyphs = (uint8_t ) malloc(glyphsize);
		400	if (!glyphs) {
		401	free(backbuf);
		402	return ENOMEM;
		403	}
		404
		405	uint8_t bgpixel = (uint8_t ) malloc(screen.pixelbytes);
		406	if (!bgpixel) {
		407	free(glyphs);
		408	free(backbuf);
		409	return ENOMEM;
		410	}
		411
		412	memset(backbuf, 0, bbsize);
		413	memset(glyphs, 0, glyphsize);
		414	memset(bgpixel, 0, screen.pixelbytes);
		415
1485	palkovsky	416	viewports[i].x = x;
		417	viewports[i].y = y;
		418	viewports[i].width = width;
		419	viewports[i].height = height;
1363	vana	420
3707	decky	421	viewports[i].cols = cols;
		422	viewports[i].rows = rows;
		423
1509	palkovsky	424	viewports[i].style.bg_color = DEFAULT_BGCOLOR;
		425	viewports[i].style.fg_color = DEFAULT_FGCOLOR;
1363	vana	426
3707	decky	427	viewports[i].glyphs = glyphs;
		428	viewports[i].bgpixel = bgpixel;
		429
1489	palkovsky	430	viewports[i].cur_col = 0;
		431	viewports[i].cur_row = 0;
3707	decky	432	viewports[i].cursor_active = false;
		433	viewports[i].cursor_shown = false;
		434
		435	viewports[i].bbsize = bbsize;
		436	viewports[i].backbuf = backbuf;
		437
		438	viewports[i].initialized = true;
		439
		440	render_glyphs(&viewports[i]);
		441
1485	palkovsky	442	return i;
1363	vana	443	}
		444
3707	decky	445
1363	vana	446	/** Initialize framebuffer as a chardev output device
		447	*
3707	decky	448	* @param addr Address of the framebuffer
		449	* @param xres Screen width in pixels
		450	* @param yres Screen height in pixels
		451	* @param visual Bits per pixel (8, 16, 24, 32)
		452	* @param scan Bytes per one scanline
1363	vana	453	*
		454	*/
3707	decky	455	static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
		456	unsigned int scan, unsigned int visual)
1363	vana	457	{
1993	decky	458	switch (visual) {
		459	case VISUAL_INDIRECT_8:
3707	decky	460	screen.rgb_conv = rgb_323;
1886	jermar	461	screen.pixelbytes = 1;
		462	break;
1993	decky	463	case VISUAL_RGB_5_5_5:
3707	decky	464	screen.rgb_conv = rgb_555;
1886	jermar	465	screen.pixelbytes = 2;
		466	break;
1993	decky	467	case VISUAL_RGB_5_6_5:
3707	decky	468	screen.rgb_conv = rgb_565;
1993	decky	469	screen.pixelbytes = 2;
1886	jermar	470	break;
1993	decky	471	case VISUAL_RGB_8_8_8:
3707	decky	472	screen.rgb_conv = rgb_888;
1993	decky	473	screen.pixelbytes = 3;
		474	break;
		475	case VISUAL_RGB_8_8_8_0:
3707	decky	476	screen.rgb_conv = rgb_888;
1886	jermar	477	screen.pixelbytes = 4;
		478	break;
1993	decky	479	case VISUAL_RGB_0_8_8_8:
3707	decky	480	screen.rgb_conv = rgb_0888;
1993	decky	481	screen.pixelbytes = 4;
		482	break;
1994	decky	483	case VISUAL_BGR_0_8_8_8:
3707	decky	484	screen.rgb_conv = bgr_0888;
1994	decky	485	screen.pixelbytes = 4;
		486	break;
1993	decky	487	default:
		488	return false;
1363	vana	489	}
		490
3707	decky	491	screen.fb_addr = (unsigned char *) addr;
1485	palkovsky	492	screen.xres = xres;
		493	screen.yres = yres;
		494	screen.scanline = scan;
1363	vana	495
3707	decky	496	screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
		497	screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
		498
1485	palkovsky	499	/* Create first viewport */
3707	decky	500	vport_create(0, 0, xres, yres);
1993	decky	501
		502	return true;
1485	palkovsky	503	}
1363	vana	504
3707	decky	505
		506	/** Draw glyph at given position relative to viewport
		507	*
		508	* @param vport Viewport identification
		509	* @param cursor Draw glyph with cursor
		510	* @param col Screen position relative to viewport
		511	* @param row Screen position relative to viewport
		512	*
		513	*/
		514	static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
1500	palkovsky	515	{
3707	decky	516	unsigned int x = vport->x + COL2X(col);
		517	unsigned int y = vport->y + ROW2Y(row);
		518	unsigned int yd;
		519
		520	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		521
		522	for (yd = 0; yd < FONT_SCANLINES; yd++)
		523	memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
		524	&vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
		525	}
		526
		527
		528	/** Hide cursor if it is shown
		529	*
		530	*/
		531	static void cursor_hide(viewport_t *vport)
		532	{
		533	if ((vport->cursor_active) && (vport->cursor_shown)) {
		534	draw_glyph(vport, false, vport->cur_col, vport->cur_row);
		535	vport->cursor_shown = false;
1500	palkovsky	536	}
		537	}
		538
3707	decky	539
		540	/** Show cursor if cursor showing is enabled
		541	*
		542	*/
		543	static void cursor_show(viewport_t *vport)
1500	palkovsky	544	{
		545	/* Do not check for cursor_shown */
		546	if (vport->cursor_active) {
3707	decky	547	draw_glyph(vport, true, vport->cur_col, vport->cur_row);
		548	vport->cursor_shown = true;
1500	palkovsky	549	}
		550	}
		551
3707	decky	552
		553	/** Invert cursor, if it is enabled
		554	*
		555	*/
		556	static void cursor_blink(viewport_t *vport)
1500	palkovsky	557	{
		558	if (vport->cursor_shown)
1673	palkovsky	559	cursor_hide(vport);
1500	palkovsky	560	else
3707	decky	561	cursor_show(vport);
1500	palkovsky	562	}
		563
3707	decky	564
		565	/** Draw character at given position relative to viewport
		566	*
		567	* @param vport Viewport identification
		568	* @param c Character to draw
		569	* @param col Screen position relative to viewport
		570	* @param row Screen position relative to viewport
		571	*
1498	palkovsky	572	*/
3707	decky	573	static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
1486	palkovsky	574	{
3707	decky	575	/* Do not hide cursor if we are going to overwrite it */
		576	if ((vport->cursor_active) && (vport->cursor_shown) &&
		577	((vport->cur_col != col) \|\| (vport->cur_row != row)))
		578	cursor_hide(vport);
1486	palkovsky	579
3707	decky	580	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		581
		582	if (glyph != c) {
		583	vport->backbuf[BB_POS(vport, col, row)] = c;
		584	draw_glyph(vport, false, col, row);
		585	}
		586
1489	palkovsky	587	vport->cur_col = col;
		588	vport->cur_row = row;
3707	decky	589
1489	palkovsky	590	vport->cur_col++;
2025	jermar	591	if (vport->cur_col >= vport->cols) {
1489	palkovsky	592	vport->cur_col = 0;
		593	vport->cur_row++;
		594	if (vport->cur_row >= vport->rows)
		595	vport->cur_row--;
1486	palkovsky	596	}
3707	decky	597
		598	cursor_show(vport);
1486	palkovsky	599	}
		600
3707	decky	601
1552	palkovsky	602	/** Draw text data to viewport
		603	*
1709	jermar	604	* @param vport Viewport id
3707	decky	605	* @param data Text data fitting exactly into viewport
		606	*
1552	palkovsky	607	*/
3707	decky	608	static void draw_text_data(viewport_t vport, keyfield_t data)
1505	palkovsky	609	{
3707	decky	610	unsigned int i;
		611
2025	jermar	612	for (i = 0; i < vport->cols * vport->rows; i++) {
3707	decky	613	unsigned int col = i % vport->cols;
		614	unsigned int row = i / vport->cols;
		615
		616	uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
		617
		618	// TODO: use data[i].style
		619
		620	if (glyph != data[i].character) {
		621	vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
		622	draw_glyph(vport, false, col, row);
		623	}
1505	palkovsky	624	}
3707	decky	625	cursor_show(vport);
1505	palkovsky	626	}
		627
3707	decky	628
		629	static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
1555	palkovsky	630	{
3707	decky	631	int pm = ((int ) data);
		632	pixmap_t *pmap = &pixmaps[pm];
		633	unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
1555	palkovsky	634
3707	decky	635	screen.rgb_conv(&pmap->data[pos], color);
		636	}
		637
		638
		639	static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
		640	{
		641	viewport_t vport = (viewport_t ) data;
		642	unsigned int dx = vport->x + x;
		643	unsigned int dy = vport->y + y;
		644
		645	screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
		646	}
		647
		648
		649	/** Return first free pixmap
		650	*
		651	*/
		652	static int find_free_pixmap(void)
		653	{
		654	unsigned int i;
		655
		656	for (i = 0; i < MAX_PIXMAPS; i++)
1555	palkovsky	657	if (!pixmaps[i].data)
		658	return i;
3707	decky	659
1555	palkovsky	660	return -1;
		661	}
		662
		663
3707	decky	664	/** Create a new pixmap and return appropriate ID
		665	*
		666	*/
		667	static int shm2pixmap(unsigned char *shm, size_t size)
1555	palkovsky	668	{
		669	int pm;
		670	pixmap_t *pmap;
3707	decky	671
1555	palkovsky	672	pm = find_free_pixmap();
		673	if (pm == -1)
		674	return ELIMIT;
3707	decky	675
1555	palkovsky	676	pmap = &pixmaps[pm];
		677
		678	if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
		679	return EINVAL;
		680
		681	pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
		682	if (!pmap->data)
		683	return ENOMEM;
3707	decky	684
		685	ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
		686
1555	palkovsky	687	return pm;
		688	}
		689
3707	decky	690
1552	palkovsky	691	/** Handle shared memory communication calls
		692	*
		693	* Protocol for drawing pixmaps:
		694	* - FB_PREPARE_SHM(client shm identification)
2025	jermar	695	* - IPC_M_AS_AREA_SEND
3707	decky	696	* - FB_DRAW_PPM(startx, starty)
1552	palkovsky	697	* - FB_DROP_SHM
		698	*
		699	* Protocol for text drawing
2025	jermar	700	* - IPC_M_AS_AREA_SEND
1552	palkovsky	701	* - FB_DRAW_TEXT_DATA
		702	*
		703	* @param callid Callid of the current call
3707	decky	704	* @param call Current call data
		705	* @param vp Active viewport
1552	palkovsky	706	*
3707	decky	707	* @return false if the call was not handled byt this function, true otherwise
		708	*
		709	* Note: this function is not threads safe, you would have
1552	palkovsky	710	* to redefine static variables with __thread
3707	decky	711	*
1552	palkovsky	712	*/
3707	decky	713	static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1547	palkovsky	714	{
		715	static keyfield_t *interbuffer = NULL;
		716	static size_t intersize = 0;
3707	decky	717
1720	palkovsky	718	static unsigned char *shm = NULL;
1555	palkovsky	719	static ipcarg_t shm_id = 0;
		720	static size_t shm_size;
3707	decky	721
		722	bool handled = true;
		723	int retval = EOK;
1547	palkovsky	724	viewport_t *vport = &viewports[vp];
3707	decky	725	unsigned int x;
		726	unsigned int y;
		727
1547	palkovsky	728	switch (IPC_GET_METHOD(*call)) {
2677	jermar	729	case IPC_M_SHARE_OUT:
1547	palkovsky	730	/* We accept one area for data interchange */
1555	palkovsky	731	if (IPC_GET_ARG1(*call) == shm_id) {
2141	jermar	732	void dest = as_get_mappable_page(IPC_GET_ARG2(call));
1555	palkovsky	733	shm_size = IPC_GET_ARG2(*call);
3707	decky	734	if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
1555	palkovsky	735	shm = dest;
1547	palkovsky	736	else
1555	palkovsky	737	shm_id = 0;
3707	decky	738
1555	palkovsky	739	if (shm[0] != 'P')
3707	decky	740	return false;
		741
		742	return true;
1547	palkovsky	743	} else {
		744	intersize = IPC_GET_ARG2(*call);
2015	jermar	745	receive_comm_area(callid, call, (void *) &interbuffer);
1547	palkovsky	746	}
3707	decky	747	return true;
1547	palkovsky	748	case FB_PREPARE_SHM:
1555	palkovsky	749	if (shm_id)
1547	palkovsky	750	retval = EBUSY;
		751	else
1555	palkovsky	752	shm_id = IPC_GET_ARG1(*call);
1547	palkovsky	753	break;
		754
		755	case FB_DROP_SHM:
1555	palkovsky	756	if (shm) {
		757	as_area_destroy(shm);
		758	shm = NULL;
1547	palkovsky	759	}
1555	palkovsky	760	shm_id = 0;
1547	palkovsky	761	break;
3707	decky	762
1555	palkovsky	763	case FB_SHM2PIXMAP:
		764	if (!shm) {
		765	retval = EINVAL;
		766	break;
		767	}
		768	retval = shm2pixmap(shm, shm_size);
		769	break;
1547	palkovsky	770	case FB_DRAW_PPM:
1555	palkovsky	771	if (!shm) {
1547	palkovsky	772	retval = EINVAL;
		773	break;
		774	}
		775	x = IPC_GET_ARG1(*call);
		776	y = IPC_GET_ARG2(*call);
3707	decky	777
		778	if ((x > vport->width) \|\| (y > vport->height)) {
1547	palkovsky	779	retval = EINVAL;
		780	break;
		781	}
		782
2025	jermar	783	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
3707	decky	784	IPC_GET_ARG2(call), vport->width - x, vport->height - y, putpixel, (void ) vport);
1547	palkovsky	785	break;
		786	case FB_DRAW_TEXT_DATA:
		787	if (!interbuffer) {
		788	retval = EINVAL;
		789	break;
		790	}
3707	decky	791	if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
1547	palkovsky	792	retval = EINVAL;
		793	break;
		794	}
1673	palkovsky	795	draw_text_data(vport, interbuffer);
1547	palkovsky	796	break;
		797	default:
3707	decky	798	handled = false;
1547	palkovsky	799	}
		800
		801	if (handled)
2619	jermar	802	ipc_answer_0(callid, retval);
1547	palkovsky	803	return handled;
		804	}
		805
3707	decky	806
		807	static void copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)
1552	palkovsky	808	{
3707	decky	809	unsigned int width = vport->width;
		810	unsigned int height = vport->height;
		811
1711	palkovsky	812	if (width + vport->x > screen.xres)
		813	width = screen.xres - vport->x;
2301	decky	814	if (height + vport->y > screen.yres)
1711	palkovsky	815	height = screen.yres - vport->y;
2301	decky	816
3707	decky	817	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		818	unsigned int realheight = pmap->height <= height ? pmap->height : height;
2301	decky	819
3707	decky	820	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		821	unsigned int realrowsize = realwidth * screen.pixelbytes;
		822
		823	unsigned int y;
2301	decky	824	for (y = 0; y < realheight; y++) {
3707	decky	825	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		826	memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
1711	palkovsky	827	}
		828	}
		829
3707	decky	830
		831	/** Save viewport to pixmap
		832	*
		833	*/
		834	static int save_vp_to_pixmap(viewport_t *vport)
1711	palkovsky	835	{
		836	int pm;
		837	pixmap_t *pmap;
3707	decky	838
1552	palkovsky	839	pm = find_free_pixmap();
		840	if (pm == -1)
		841	return ELIMIT;
		842
		843	pmap = &pixmaps[pm];
		844	pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
		845	if (!pmap->data)
		846	return ENOMEM;
3707	decky	847
1552	palkovsky	848	pmap->width = vport->width;
		849	pmap->height = vport->height;
3707	decky	850
1711	palkovsky	851	copy_vp_to_pixmap(vport, pmap);
1552	palkovsky	852
		853	return pm;
		854	}
		855
3707	decky	856
1552	palkovsky	857	/** Draw pixmap on screen
		858	*
		859	* @param vp Viewport to draw on
		860	* @param pm Pixmap identifier
3707	decky	861	*
1552	palkovsky	862	*/
		863	static int draw_pixmap(int vp, int pm)
		864	{
		865	pixmap_t *pmap = &pixmaps[pm];
		866	viewport_t *vport = &viewports[vp];
3707	decky	867
		868	unsigned int width = vport->width;
		869	unsigned int height = vport->height;
		870
1711	palkovsky	871	if (width + vport->x > screen.xres)
		872	width = screen.xres - vport->x;
		873	if (height + vport->y > screen.yres)
		874	height = screen.yres - vport->y;
3707	decky	875
1552	palkovsky	876	if (!pmap->data)
		877	return EINVAL;
3707	decky	878
		879	unsigned int realwidth = pmap->width <= width ? pmap->width : width;
		880	unsigned int realheight = pmap->height <= height ? pmap->height : height;
		881
		882	unsigned int srcrowsize = vport->width * screen.pixelbytes;
		883	unsigned int realrowsize = realwidth * screen.pixelbytes;
		884
		885	unsigned int y;
2070	jermar	886	for (y = 0; y < realheight; y++) {
3707	decky	887	unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
		888	memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
1552	palkovsky	889	}
3707	decky	890
		891	return EOK;
1552	palkovsky	892	}
		893
3707	decky	894
		895	/** Tick animation one step forward
		896	*
		897	*/
		898	static void anims_tick(void)
1646	palkovsky	899	{
3707	decky	900	unsigned int i;
1646	palkovsky	901	static int counts = 0;
		902
		903	/* Limit redrawing */
2025	jermar	904	counts = (counts + 1) % 8;
1646	palkovsky	905	if (counts)
		906	return;
		907
2070	jermar	908	for (i = 0; i < MAX_ANIMATIONS; i++) {
3707	decky	909	if ((!animations[i].animlen) \|\| (!animations[i].initialized) \|\|
		910	(!animations[i].enabled))
1646	palkovsky	911	continue;
3707	decky	912
		913	draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
		914	animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
1646	palkovsky	915	}
		916	}
		917
1711	palkovsky	918
3707	decky	919	static unsigned int pointer_x;
		920	static unsigned int pointer_y;
		921	static bool pointer_shown, pointer_enabled;
1711	palkovsky	922	static int pointer_vport = -1;
		923	static int pointer_pixmap = -1;
		924
3707	decky	925
		926	static void mouse_show(void)
1711	palkovsky	927	{
2070	jermar	928	int i, j;
1711	palkovsky	929	int visibility;
		930	int color;
		931	int bytepos;
3707	decky	932
		933	if ((pointer_shown) \|\| (!pointer_enabled))
1723	palkovsky	934	return;
3707	decky	935
1711	palkovsky	936	/* Save image under the cursor */
		937	if (pointer_vport == -1) {
3707	decky	938	pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
1711	palkovsky	939	if (pointer_vport < 0)
		940	return;
		941	} else {
		942	viewports[pointer_vport].x = pointer_x;
		943	viewports[pointer_vport].y = pointer_y;
		944	}
3707	decky	945
1711	palkovsky	946	if (pointer_pixmap == -1)
		947	pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
		948	else
3707	decky	949	copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
		950
1711	palkovsky	951	/* Draw cursor */
2025	jermar	952	for (i = 0; i < pointer_height; i++)
		953	for (j = 0; j < pointer_width; j++) {
		954	bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
2070	jermar	955	visibility = pointer_mask_bits[bytepos] &
2619	jermar	956	(1 << (j % 8));
1711	palkovsky	957	if (visibility) {
2619	jermar	958	color = pointer_bits[bytepos] &
		959	(1 << (j % 8)) ? 0 : 0xffffff;
2025	jermar	960	if (pointer_x + j < screen.xres && pointer_y +
2619	jermar	961	i < screen.yres)
2025	jermar	962	putpixel(&viewports[0], pointer_x + j,
2619	jermar	963	pointer_y + i, color);
1711	palkovsky	964	}
		965	}
		966	pointer_shown = 1;
		967	}
		968
3707	decky	969
		970	static void mouse_hide(void)
1711	palkovsky	971	{
		972	/* Restore image under the cursor */
		973	if (pointer_shown) {
		974	draw_pixmap(pointer_vport, pointer_pixmap);
		975	pointer_shown = 0;
		976	}
		977	}
		978
3707	decky	979
		980	static void mouse_move(unsigned int x, unsigned int y)
1711	palkovsky	981	{
		982	mouse_hide();
		983	pointer_x = x;
		984	pointer_y = y;
		985	mouse_show();
		986	}
		987
3707	decky	988
		989	static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1646	palkovsky	990	{
3707	decky	991	bool handled = true;
		992	int retval = EOK;
		993	int i, nvp;
1646	palkovsky	994	int newval;
3707	decky	995
1646	palkovsky	996	switch (IPC_GET_METHOD(*call)) {
		997	case FB_ANIM_CREATE:
		998	nvp = IPC_GET_ARG1(*call);
		999	if (nvp == -1)
		1000	nvp = vp;
2025	jermar	1001	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		1002	!viewports[nvp].initialized) {
1646	palkovsky	1003	retval = EINVAL;
		1004	break;
		1005	}
2025	jermar	1006	for (i = 0; i < MAX_ANIMATIONS; i++) {
		1007	if (!animations[i].initialized)
1646	palkovsky	1008	break;
		1009	}
		1010	if (i == MAX_ANIMATIONS) {
		1011	retval = ELIMIT;
		1012	break;
		1013	}
		1014	animations[i].initialized = 1;
		1015	animations[i].animlen = 0;
		1016	animations[i].pos = 0;
		1017	animations[i].enabled = 0;
		1018	animations[i].vp = nvp;
		1019	retval = i;
		1020	break;
		1021	case FB_ANIM_DROP:
		1022	i = IPC_GET_ARG1(*call);
1720	palkovsky	1023	if (i >= MAX_ANIMATIONS \|\| i < 0) {
1646	palkovsky	1024	retval = EINVAL;
		1025	break;
		1026	}
		1027	animations[i].initialized = 0;
		1028	break;
		1029	case FB_ANIM_ADDPIXMAP:
		1030	i = IPC_GET_ARG1(*call);
2025	jermar	1031	if (i >= MAX_ANIMATIONS \|\| i < 0 \|\|
		1032	!animations[i].initialized) {
1646	palkovsky	1033	retval = EINVAL;
		1034	break;
		1035	}
		1036	if (animations[i].animlen == MAX_ANIM_LEN) {
		1037	retval = ELIMIT;
		1038	break;
		1039	}
		1040	newval = IPC_GET_ARG2(*call);
2025	jermar	1041	if (newval < 0 \|\| newval > MAX_PIXMAPS \|\|
		1042	!pixmaps[newval].data) {
1646	palkovsky	1043	retval = EINVAL;
		1044	break;
		1045	}
		1046	animations[i].pixmaps[animations[i].animlen++] = newval;
		1047	break;
		1048	case FB_ANIM_CHGVP:
		1049	i = IPC_GET_ARG1(*call);
		1050	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1051	retval = EINVAL;
		1052	break;
		1053	}
		1054	nvp = IPC_GET_ARG2(*call);
		1055	if (nvp == -1)
		1056	nvp = vp;
2025	jermar	1057	if (nvp >= MAX_VIEWPORTS \|\| nvp < 0 \|\|
		1058	!viewports[nvp].initialized) {
1646	palkovsky	1059	retval = EINVAL;
		1060	break;
		1061	}
		1062	animations[i].vp = nvp;
		1063	break;
		1064	case FB_ANIM_START:
		1065	case FB_ANIM_STOP:
		1066	i = IPC_GET_ARG1(*call);
		1067	if (i >= MAX_ANIMATIONS \|\| i < 0) {
		1068	retval = EINVAL;
		1069	break;
		1070	}
		1071	newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
		1072	if (newval ^ animations[i].enabled) {
		1073	animations[i].enabled = newval;
		1074	anims_enabled += newval ? 1 : -1;
		1075	}
		1076	break;
		1077	default:
		1078	handled = 0;
		1079	}
		1080	if (handled)
2619	jermar	1081	ipc_answer_0(callid, retval);
1646	palkovsky	1082	return handled;
		1083	}
		1084
3707	decky	1085
		1086	/** Handler for messages concerning pixmap handling
		1087	*
		1088	*/
		1089	static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1552	palkovsky	1090	{
3707	decky	1091	bool handled = true;
		1092	int retval = EOK;
		1093	int i, nvp;
		1094
1552	palkovsky	1095	switch (IPC_GET_METHOD(*call)) {
		1096	case FB_VP_DRAW_PIXMAP:
		1097	nvp = IPC_GET_ARG1(*call);
		1098	if (nvp == -1)
		1099	nvp = vp;
2025	jermar	1100	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1101	!viewports[nvp].initialized) {
1552	palkovsky	1102	retval = EINVAL;
		1103	break;
		1104	}
		1105	i = IPC_GET_ARG2(*call);
		1106	retval = draw_pixmap(nvp, i);
		1107	break;
		1108	case FB_VP2PIXMAP:
		1109	nvp = IPC_GET_ARG1(*call);
		1110	if (nvp == -1)
		1111	nvp = vp;
2025	jermar	1112	if (nvp < 0 \|\| nvp >= MAX_VIEWPORTS \|\|
		1113	!viewports[nvp].initialized)
1552	palkovsky	1114	retval = EINVAL;
		1115	else
1711	palkovsky	1116	retval = save_vp_to_pixmap(&viewports[nvp]);
1552	palkovsky	1117	break;
		1118	case FB_DROP_PIXMAP:
		1119	i = IPC_GET_ARG1(*call);
		1120	if (i >= MAX_PIXMAPS) {
		1121	retval = EINVAL;
		1122	break;
		1123	}
		1124	if (pixmaps[i].data) {
		1125	free(pixmaps[i].data);
		1126	pixmaps[i].data = NULL;
		1127	}
		1128	break;
		1129	default:
		1130	handled = 0;
		1131	}
3707	decky	1132
1552	palkovsky	1133	if (handled)
2619	jermar	1134	ipc_answer_0(callid, retval);
1552	palkovsky	1135	return handled;
		1136
		1137	}
		1138
1498	palkovsky	1139	/** Function for handling connections to FB
		1140	*
		1141	*/
3707	decky	1142	static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1363	vana	1143	{
3707	decky	1144	unsigned int vp = 0;
		1145	viewport_t *vport = &viewports[vp];
		1146
1485	palkovsky	1147	if (client_connected) {
2619	jermar	1148	ipc_answer_0(iid, ELIMIT);
1485	palkovsky	1149	return;
		1150	}
3707	decky	1151
		1152	/* Accept connection */
		1153	client_connected = true;
		1154	ipc_answer_0(iid, EOK);
		1155
		1156	while (true) {
		1157	ipc_callid_t callid;
		1158	ipc_call_t call;
		1159	int retval;
		1160	unsigned int i;
		1161	int scroll;
		1162	uint8_t glyph;
		1163	unsigned int row, col;
		1164
		1165	if ((vport->cursor_active) \|\| (anims_enabled))
2070	jermar	1166	callid = async_get_call_timeout(&call, 250000);
1640	palkovsky	1167	else
		1168	callid = async_get_call(&call);
3707	decky	1169
1713	palkovsky	1170	mouse_hide();
1500	palkovsky	1171	if (!callid) {
1673	palkovsky	1172	cursor_blink(vport);
1646	palkovsky	1173	anims_tick();
1723	palkovsky	1174	mouse_show();
1500	palkovsky	1175	continue;
		1176	}
3707	decky	1177
1547	palkovsky	1178	if (shm_handle(callid, &call, vp))
		1179	continue;
3707	decky	1180
1552	palkovsky	1181	if (pixmap_handle(callid, &call, vp))
		1182	continue;
3707	decky	1183
1646	palkovsky	1184	if (anim_handle(callid, &call, vp))
		1185	continue;
3707	decky	1186
		1187	switch (IPC_GET_METHOD(call)) {
1485	palkovsky	1188	case IPC_M_PHONE_HUNGUP:
3707	decky	1189	client_connected = false;
		1190
		1191	/* Cleanup other viewports */
2025	jermar	1192	for (i = 1; i < MAX_VIEWPORTS; i++)
3707	decky	1193	vport->initialized = false;
		1194
		1195	/* Exit thread */
		1196	return;
		1197
1485	palkovsky	1198	case FB_PUTCHAR:
3707	decky	1199	glyph = IPC_GET_ARG1(call);
1485	palkovsky	1200	row = IPC_GET_ARG2(call);
		1201	col = IPC_GET_ARG3(call);
3707	decky	1202
		1203	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1485	palkovsky	1204	retval = EINVAL;
		1205	break;
		1206	}
2619	jermar	1207	ipc_answer_0(callid, EOK);
3707	decky	1208
		1209	draw_char(vport, glyph, col, row);
		1210
		1211	/* Message already answered */
		1212	continue;
1485	palkovsky	1213	case FB_CLEAR:
3707	decky	1214	vport_clear(vport);
		1215	cursor_show(vport);
		1216	retval = EOK;
1485	palkovsky	1217	break;
3707	decky	1218	case FB_CURSOR_GOTO:
1486	palkovsky	1219	row = IPC_GET_ARG1(call);
		1220	col = IPC_GET_ARG2(call);
3707	decky	1221
		1222	if ((col >= vport->cols) \|\| (row >= vport->rows)) {
1486	palkovsky	1223	retval = EINVAL;
		1224	break;
		1225	}
3707	decky	1226	retval = EOK;
		1227
1673	palkovsky	1228	cursor_hide(vport);
1486	palkovsky	1229	vport->cur_col = col;
		1230	vport->cur_row = row;
3707	decky	1231	cursor_show(vport);
		1232	break;
1486	palkovsky	1233	case FB_CURSOR_VISIBILITY:
1673	palkovsky	1234	cursor_hide(vport);
1500	palkovsky	1235	vport->cursor_active = IPC_GET_ARG1(call);
3707	decky	1236	cursor_show(vport);
		1237	retval = EOK;
1486	palkovsky	1238	break;
1485	palkovsky	1239	case FB_GET_CSIZE:
2619	jermar	1240	ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1485	palkovsky	1241	continue;
1486	palkovsky	1242	case FB_SCROLL:
3707	decky	1243	scroll = IPC_GET_ARG1(call);
		1244	if ((scroll > (int) vport->rows) \|\| (scroll < (-(int) vport->rows))) {
1486	palkovsky	1245	retval = EINVAL;
		1246	break;
		1247	}
1673	palkovsky	1248	cursor_hide(vport);
3707	decky	1249	vport_scroll(vport, scroll);
		1250	cursor_show(vport);
		1251	retval = EOK;
1486	palkovsky	1252	break;
		1253	case FB_VIEWPORT_SWITCH:
		1254	i = IPC_GET_ARG1(call);
3707	decky	1255	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1256	retval = EINVAL;
		1257	break;
		1258	}
3707	decky	1259	if (!viewports[i].initialized) {
1486	palkovsky	1260	retval = EADDRNOTAVAIL;
		1261	break;
		1262	}
1673	palkovsky	1263	cursor_hide(vport);
1486	palkovsky	1264	vp = i;
		1265	vport = &viewports[vp];
3707	decky	1266	cursor_show(vport);
		1267	retval = EOK;
1486	palkovsky	1268	break;
		1269	case FB_VIEWPORT_CREATE:
3707	decky	1270	retval = vport_create(IPC_GET_ARG1(call) >> 16,
2619	jermar	1271	IPC_GET_ARG1(call) & 0xffff,
		1272	IPC_GET_ARG2(call) >> 16,
		1273	IPC_GET_ARG2(call) & 0xffff);
1486	palkovsky	1274	break;
		1275	case FB_VIEWPORT_DELETE:
		1276	i = IPC_GET_ARG1(call);
3707	decky	1277	if (i >= MAX_VIEWPORTS) {
1486	palkovsky	1278	retval = EINVAL;
		1279	break;
		1280	}
3707	decky	1281	if (!viewports[i].initialized) {
1486	palkovsky	1282	retval = EADDRNOTAVAIL;
		1283	break;
		1284	}
3707	decky	1285	viewports[i].initialized = false;
		1286	if (viewports[i].glyphs)
		1287	free(viewports[i].glyphs);
		1288	if (viewports[i].bgpixel)
		1289	free(viewports[i].bgpixel);
		1290	if (viewports[i].backbuf)
		1291	free(viewports[i].backbuf);
		1292	retval = EOK;
1486	palkovsky	1293	break;
		1294	case FB_SET_STYLE:
1509	palkovsky	1295	vport->style.fg_color = IPC_GET_ARG1(call);
		1296	vport->style.bg_color = IPC_GET_ARG2(call);
3707	decky	1297	render_glyphs(vport);
		1298	retval = EOK;
1486	palkovsky	1299	break;
		1300	case FB_GET_RESOLUTION:
2619	jermar	1301	ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1486	palkovsky	1302	continue;
1707	palkovsky	1303	case FB_POINTER_MOVE:
3707	decky	1304	pointer_enabled = true;
1711	palkovsky	1305	mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
3707	decky	1306	retval = EOK;
1707	palkovsky	1307	break;
1485	palkovsky	1308	default:
		1309	retval = ENOENT;
		1310	}
2619	jermar	1311	ipc_answer_0(callid, retval);
1363	vana	1312	}
1485	palkovsky	1313	}
1363	vana	1314
3707	decky	1315	/** Initialization of framebuffer
		1316	*
		1317	*/
		1318	int fb_init(void)
1485	palkovsky	1319	{
1490	palkovsky	1320	async_set_client_connection(fb_client_connection);
1485	palkovsky	1321
3707	decky	1322	void fb_ph_addr = (void ) sysinfo_value("fb.address.physical");
		1323	unsigned int fb_offset = sysinfo_value("fb.offset");
		1324	unsigned int fb_width = sysinfo_value("fb.width");
		1325	unsigned int fb_height = sysinfo_value("fb.height");
		1326	unsigned int fb_scanline = sysinfo_value("fb.scanline");
		1327	unsigned int fb_visual = sysinfo_value("fb.visual");
		1328
		1329	unsigned int fbsize = fb_scanline * fb_height;
		1330	void *fb_addr = as_get_mappable_page(fbsize);
		1331
		1332	physmem_map(fb_ph_addr + fb_offset, fb_addr,
		1333	ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ \| AS_AREA_WRITE);
		1334
		1335	if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1993	decky	1336	return 0;
		1337
		1338	return -1;
1363	vana	1339	}
1490	palkovsky	1340
3707	decky	1341	/**
1649	cejka	1342	* @}
		1343	*/

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/fb/fb.c – Rev 3707