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



 
static void
bgr_byte0888(void *dst, int rgb)
{
    *((uint32_t *) dst) = BLUE(rgb, 8) << 16 | GREEN(rgb, 8) << 8 |
        RED(rgb, 8);
}
 
static int
byte0888_bgr(void *src)
{
    int color = *(uint32_t *)(src);
    return ((color & 0xff) << 16) | (((color >> 8) & 0xff) << 8) |
        ((color >> 16) & 0xff);
}
 
static void
rgb_byte888(void *dst, int rgb)
{

static void
rgb_byte555(void *dst, int rgb)
{
    /* 5-bit, 5-bits, 5-bits */
    *((uint16_t *)(dst)) = RED(rgb, 5) << 10 | GREEN(rgb, 5) << 5 |
        BLUE(rgb, 5);
}
 
/** 16-bit depth (5:5:5) */
static int
byte555_rgb(void *src)
{
    int color = *(uint16_t *)(src);
    return (((color >> 10) & 0x1f) << (16 + 3)) |
        (((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3);
}
 
/**  16-bit depth (5:6:5) */
static void
rgb_byte565(void *dst, int rgb)
{
    /* 5-bit, 6-bits, 5-bits */
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 |
        BLUE(rgb, 5);
}
 
/** 16-bit depth (5:6:5) */
static int
byte565_rgb(void *src)
{
    int color = *(uint16_t *)(src);
    return (((color >> 11) & 0x1f) << (16 + 3)) |
        (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
}
 
/** Put pixel - 8-bit depth (3:2:3) */
static void
rgb_byte8(void *dst, int rgb)

static int
byte8_rgb(void *src)
{
    int color = *(uint8_t *)src;
    return (((color >> 5) & 0x7) << (16 + 5)) |
        (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
}
 
/** Put pixel into viewport
 *
 * @param vport Viewport identification

    int dx = vport->x + x;
    int dy = vport->y + y;
 
    if (! (vport->paused && vport->dbdata))
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],
            COLOR(color));
 
    if (vport->dbdata) {
        int dline = (y + vport->dboffset) % vport->height;
        int doffset = screen.pixelbytes * (dline * vport->width + x);
        (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));

}
 
static inline void
putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)
{
    (*screen.rgb2scr)(&mem[POINTPOS(x, y)], COLOR(color));
}
 
static void
draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
    unsigned int width, unsigned int height, int color)
{
    unsigned int x, y;
    static void *tmpline;
 
    if (!tmpline)
        tmpline = malloc(screen.scanline * screen.pixelbytes);
 
    /* Clear first line */
    for (x = 0; x < width; x++)
        putpixel_mem(tmpline, x, 0, color);
 

        sx += vport->x;
        sy += vport->y;
        /* Copy the rest */
        for (y = sy;y < sy+height; y++)
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
                screen.pixelbytes * width);
    }
    if (vport->dbdata) {
        for (y = sy; y < sy + height; y++) {
            int rline = (y + vport->dboffset) % vport->height;
            int rpos = (rline * vport->width + sx) *
                screen.pixelbytes;
            memcpy(&vport->dbdata[rpos], tmpline,
                screen.pixelbytes * width);
        }
    }
 
}
 
/** Fill viewport with background color */
static void
clear_port(viewport_t *vport)
{
    draw_rectangle(vport, 0, 0, vport->width, vport->height,
        vport->style.bg_color);
}
 
/** Scroll unbuffered viewport up/down
 *
 * @param vport Viewport to scroll

    int y;
 
    if (lines > 0) {
        for (y = vport->y; y < vport->y+vport->height - lines; y++)
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
                &screen.fbaddress[POINTPOS(vport->x,y + lines)],
                screen.pixelbytes * vport->width);
        draw_rectangle(vport, 0, vport->height - lines, vport->width,
            lines, vport->style.bg_color);
    } else if (lines < 0) {
        lines = -lines;
        for (y = vport->y + vport->height-1; y >= vport->y + lines; y--)
 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
                &screen.fbaddress[POINTPOS(vport->x,y - lines)],
                screen.pixelbytes * vport->width);
        draw_rectangle(vport, 0, 0, vport->width, lines,
            vport->style.bg_color);
    }
}
 
/** Refresh given viewport from double buffer */
static void

 
        dstx = vport->x;
        dsty = vport->y + y;
 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
 
            &vport->dbdata[srcoff], vport->width * screen.pixelbytes);
    }
}
 
/** Scroll viewport that has double buffering enabled */
static void
scroll_port_db(viewport_t *vport, int lines)
{
    ++vport->paused;
    if (lines > 0) {
        draw_rectangle(vport, 0, 0, vport->width, lines,
            vport->style.bg_color);
        vport->dboffset += lines;
        vport->dboffset %= vport->height;
    } else if (lines < 0) {
        lines = -lines;
        draw_rectangle(vport, 0, vport->height-lines, vport->width,
 
            lines, vport->style.bg_color);
 
        if (vport->dboffset < lines)
            vport->dboffset += vport->height;
        vport->dboffset -= lines;
    }

 * @param sy Coordinates of top-left of the character
 * @param style Color of the character
 * @param transparent If false, print background color
 */
static void
draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx, unsigned int sy,
    style_t style, int transparent)
{
    int i;
    unsigned int y;
    unsigned int glline;
 
    for (y = 0; y < FONT_SCANLINES; y++) {
        glline = fb_font[glyph * FONT_SCANLINES + y];
        for (i = 0; i < 8; i++) {
            if (glline & (1 << (7 - i)))
                putpixel(vport, sx + i, sy + y, style.fg_color);
 
            else if (!transparent)
                putpixel(vport, sx + i, sy + y, style.bg_color);
 
        }
    }
}
 
/** Invert character at given position */

    unsigned int y;
 
    for (x = 0; x < COL_WIDTH; x++)
        for (y = 0; y < FONT_SCANLINES; y++)
            invert_pixel(vport, col * COL_WIDTH + x, row *
                FONT_SCANLINES + y);
}
 
/***************************************************************/
/* Stdout specific functions */
 

    if (vport->cursor_active && vport->cursor_shown &&
        (vport->cur_col != col || vport->cur_row != row))
        invert_char(vport, vport->cur_row, vport->cur_col);
   
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style,
        transparent);
 
    vport->cur_col = col;
    vport->cur_row = row;
 
    vport->cur_col++;

    int col,row;
 
    clear_port(vport);
    for (i = 0; i < vport->cols * vport->rows; i++) {
        if (data[i].character == ' ' && style_same(data[i].style,
            vport->style))
            continue;
        col = i % vport->cols;
        row = i / vport->cols;
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row *
            FONT_SCANLINES, data[i].style, style_same(data[i].style,
            vport->style));
    }
    cursor_print(vport);
}
 
/** Return first free pixmap */

    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
    if (!pmap->data)
        return ENOMEM;
 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
        (putpixel_cb_t)putpixel_pixmap, (void *)pm);
 
    return pm;
}
 
/** Handle shared memory communication calls

    case IPC_M_AS_AREA_SEND:
        /* We accept one area for data interchange */
        if (IPC_GET_ARG1(*call) == shm_id) {
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
            shm_size = IPC_GET_ARG2(*call);
            if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
                shm = dest;
            else
                shm_id = 0;
            if (shm[0] != 'P')
                while (1)

            retval = EINVAL;
            break;
        }
       
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
            IPC_GET_ARG2(*call), vport->width - x, vport->height - y,
            (putpixel_cb_t)putpixel, vport);
        break;
    case FB_DRAW_TEXT_DATA:
        if (!interbuffer) {
            retval = EINVAL;
            break;
        }
        if (intersize < vport->cols * vport->rows *
            sizeof(*interbuffer)) {
            retval = EINVAL;
            break;
        }
        draw_text_data(vport, interbuffer);
        break;
    default:
        handled = 0;
    }
   
    if (handled)
        ipc_answer_0(callid, retval);
    return handled;
}
 
static void
copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)

    srcrowsize = vport->width * screen.pixelbytes;
    realrowsize = realwidth * screen.pixelbytes;
   
    for (y = 0; y < realheight; y++) {
        tmp = (vport->y + y) * screen.scanline +
            vport->x * screen.pixelbytes;
        memcpy(pmap->data + srcrowsize * y, screen.fbaddress + tmp,
            realrowsize);
    }
}
 
/** Save viewport to pixmap */
static int

    srcrowsize = vport->width * screen.pixelbytes;
    realrowsize = realwidth * screen.pixelbytes;
 
    for (y = 0; y < realheight; y++) {
        tmp = (vport->y + y) * screen.scanline +
            vport->x * screen.pixelbytes;
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,
            realrowsize);
    }
    return 0;
}
 
/** Tick animation one step forward */

    if (counts)
        return;
 
    for (i = 0; i < MAX_ANIMATIONS; i++) {
        if (!animations[i].animlen || !animations[i].initialized ||
            !animations[i].enabled)
            continue;
        draw_pixmap(animations[i].vp,
            animations[i].pixmaps[animations[i].pos]);
        animations[i].pos = (animations[i].pos + 1) %
            animations[i].animlen;
    }
}
 
 
static int pointer_x, pointer_y;

        return;
 
    /* Save image under the cursor */
    if (pointer_vport == -1) {
        pointer_vport = viewport_create(pointer_x, pointer_y,
            pointer_width, pointer_height);
        if (pointer_vport < 0)
            return;
    } else {
        viewports[pointer_vport].x = pointer_x;
        viewports[pointer_vport].y = pointer_y;

 
    if (pointer_pixmap == -1)
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
    else
        copy_vp_to_pixmap(&viewports[pointer_vport],
            &pixmaps[pointer_pixmap]);
 
    /* Draw cursor */
    for (i = 0; i < pointer_height; i++)
        for (j = 0; j < pointer_width; j++) {
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
            visibility = pointer_mask_bits[bytepos] &
                (1 << (j % 8));
            if (visibility) {
                color = pointer_bits[bytepos] &
                    (1 << (j % 8)) ? 0 : 0xffffff;
                if (pointer_x + j < screen.xres && pointer_y +
                    i < screen.yres)
                    putpixel(&viewports[0], pointer_x + j,
                        pointer_y + i, color);
            }
        }
    pointer_shown = 1;
}
 

        break;
    default:
        handled = 0;
    }
    if (handled)
        ipc_answer_0(callid, retval);
    return handled;
}
 
/** Handler for messages concerning pixmap handling */
static int

    default:
        handled = 0;
    }
 
    if (handled)
        ipc_answer_0(callid, retval);
    return handled;
   
}
 
/** Function for handling connections to FB

 
    int vp = 0;
    viewport_t *vport = &viewports[0];
 
    if (client_connected) {
        ipc_answer_0(iid, ELIMIT);
        return;
    }
    client_connected = 1;
    ipc_answer_0(iid, EOK); /* Accept connection */
 
    while (1) {
        if (vport->cursor_active || anims_enabled)
            callid = async_get_call_timeout(&call, 250000);
        else

            col = IPC_GET_ARG3(call);
            if (row >= vport->rows || col >= vport->cols) {
                retval = EINVAL;
                break;
            }
            ipc_answer_0(callid, EOK);
 
            draw_char(vport, c, row, col, vport->style,
                IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
            continue; /* msg already answered */
        case FB_CLEAR:
            clear_port(vport);
            cursor_print(vport);
            retval = 0;

            vport->cursor_active = IPC_GET_ARG1(call);
            cursor_print(vport);
            retval = 0;
            break;
        case FB_GET_CSIZE:
            ipc_answer_2(callid, EOK, vport->rows, vport->cols);
            continue;
        case FB_SCROLL:
            i = IPC_GET_ARG1(call);
            if (i > vport->rows || i < (- (int)vport->rows)) {
                retval = EINVAL;

                i = vp;
            if (i < 0 || i >= MAX_VIEWPORTS) {
                retval = EINVAL;
                break;
            }
            if (!viewports[i].initialized ) {
                retval = EADDRNOTAVAIL;
                break;
            }
            viewports[i].dboffset = 0;
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
                viewports[i].dbdata =
                    malloc(screen.pixelbytes *
                    viewports[i].width * viewports[i].height);
            else if (IPC_GET_ARG2(call) == 0 &&
                viewports[i].dbdata) {
                free(viewports[i].dbdata);
                viewports[i].dbdata = NULL;
            }
            retval = 0;
            break;

            cursor_print(vport);
            retval = 0;
            break;
        case FB_VIEWPORT_CREATE:
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
                IPC_GET_ARG1(call) & 0xffff,
                IPC_GET_ARG2(call) >> 16,
                IPC_GET_ARG2(call) & 0xffff);
            break;
        case FB_VIEWPORT_DELETE:
            i = IPC_GET_ARG1(call);
            if (i < 0 || i >= MAX_VIEWPORTS) {
                retval = EINVAL;

            vport->style.fg_color = IPC_GET_ARG1(call);
            vport->style.bg_color = IPC_GET_ARG2(call);
            retval = 0;
            break;
        case FB_GET_RESOLUTION:
            ipc_answer_2(callid, EOK, screen.xres, screen.yres);
            continue;
        case FB_POINTER_MOVE:
            pointer_enabled = 1;
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
            retval = 0;
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_0(callid, retval);
    }
}
 
/** Initialization of framebuffer */
int

 
    asz = fb_scanline * fb_height;
    fb_addr = as_get_mappable_page(asz);
   
    physmem_map(fb_ph_addr, fb_addr, ALIGN_UP(asz, PAGE_SIZE) >>
        PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
 
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual,
        fb_invert_colors))
        return 0;
   
    return -1;
}
 

Rev 2479	Rev 2619
Line 163...	Line 163...
163		163
164	static void	164	static void
165	bgr_byte0888(void *dst, int rgb)	165	bgr_byte0888(void *dst, int rgb)
166	{	166	{
167	((uint32_t ) dst) = BLUE(rgb, 8) << 16 \| GREEN(rgb, 8) << 8 \|	167	((uint32_t ) dst) = BLUE(rgb, 8) << 16 \| GREEN(rgb, 8) << 8 \|
168	RED(rgb, 8);	168	RED(rgb, 8);
169	}	169	}
170		170
171	static int	171	static int
172	byte0888_bgr(void *src)	172	byte0888_bgr(void *src)
173	{	173	{
174	int color = (uint32_t )(src);	174	int color = (uint32_t )(src);
175	return ((color & 0xff) << 16) \| (((color >> 8) & 0xff) << 8) \|	175	return ((color & 0xff) << 16) \| (((color >> 8) & 0xff) << 8) \|
176	((color >> 16) & 0xff);	176	((color >> 16) & 0xff);
177	}	177	}
178		178
179	static void	179	static void
180	rgb_byte888(void *dst, int rgb)	180	rgb_byte888(void *dst, int rgb)
181	{	181	{
Line 206...	Line 206...
206	static void	206	static void
207	rgb_byte555(void *dst, int rgb)	207	rgb_byte555(void *dst, int rgb)
208	{	208	{
209	/* 5-bit, 5-bits, 5-bits */	209	/* 5-bit, 5-bits, 5-bits */
210	((uint16_t )(dst)) = RED(rgb, 5) << 10 \| GREEN(rgb, 5) << 5 \|	210	((uint16_t )(dst)) = RED(rgb, 5) << 10 \| GREEN(rgb, 5) << 5 \|
211	BLUE(rgb, 5);	211	BLUE(rgb, 5);
212	}	212	}
213		213
214	/** 16-bit depth (5:5:5) */	214	/** 16-bit depth (5:5:5) */
215	static int	215	static int
216	byte555_rgb(void *src)	216	byte555_rgb(void *src)
217	{	217	{
218	int color = (uint16_t )(src);	218	int color = (uint16_t )(src);
219	return (((color >> 10) & 0x1f) << (16 + 3)) \|	219	return (((color >> 10) & 0x1f) << (16 + 3)) \|
220	(((color >> 5) & 0x1f) << (8 + 3)) \| ((color & 0x1f) << 3);	220	(((color >> 5) & 0x1f) << (8 + 3)) \| ((color & 0x1f) << 3);
221	}	221	}
222		222
223	/** 16-bit depth (5:6:5) */	223	/** 16-bit depth (5:6:5) */
224	static void	224	static void
225	rgb_byte565(void *dst, int rgb)	225	rgb_byte565(void *dst, int rgb)
226	{	226	{
227	/* 5-bit, 6-bits, 5-bits */	227	/* 5-bit, 6-bits, 5-bits */
228	((uint16_t )(dst)) = RED(rgb, 5) << 11 \| GREEN(rgb, 6) << 5 \|	228	((uint16_t )(dst)) = RED(rgb, 5) << 11 \| GREEN(rgb, 6) << 5 \|
229	BLUE(rgb, 5);	229	BLUE(rgb, 5);
230	}	230	}
231		231
232	/** 16-bit depth (5:6:5) */	232	/** 16-bit depth (5:6:5) */
233	static int	233	static int
234	byte565_rgb(void *src)	234	byte565_rgb(void *src)
235	{	235	{
236	int color = (uint16_t )(src);	236	int color = (uint16_t )(src);
237	return (((color >> 11) & 0x1f) << (16 + 3)) \|	237	return (((color >> 11) & 0x1f) << (16 + 3)) \|
238	(((color >> 5) & 0x3f) << (8 + 2)) \| ((color & 0x1f) << 3);	238	(((color >> 5) & 0x3f) << (8 + 2)) \| ((color & 0x1f) << 3);
239	}	239	}
240		240
241	/** Put pixel - 8-bit depth (3:2:3) */	241	/** Put pixel - 8-bit depth (3:2:3) */
242	static void	242	static void
243	rgb_byte8(void *dst, int rgb)	243	rgb_byte8(void *dst, int rgb)
Line 249...	Line 249...
249	static int	249	static int
250	byte8_rgb(void *src)	250	byte8_rgb(void *src)
251	{	251	{
252	int color = (uint8_t )src;	252	int color = (uint8_t )src;
253	return (((color >> 5) & 0x7) << (16 + 5)) \|	253	return (((color >> 5) & 0x7) << (16 + 5)) \|
254	(((color >> 3) & 0x3) << (8 + 6)) \| ((color & 0x7) << 5);	254	(((color >> 3) & 0x3) << (8 + 6)) \| ((color & 0x7) << 5);
255	}	255	}
256		256
257	/** Put pixel into viewport	257	/** Put pixel into viewport
258	*	258	*
259	* @param vport Viewport identification	259	* @param vport Viewport identification
Line 267...	Line 267...
267	int dx = vport->x + x;	267	int dx = vport->x + x;
268	int dy = vport->y + y;	268	int dy = vport->y + y;
269		269
270	if (! (vport->paused && vport->dbdata))	270	if (! (vport->paused && vport->dbdata))
271	(*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],	271	(*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],
272	COLOR(color));	272	COLOR(color));
273		273
274	if (vport->dbdata) {	274	if (vport->dbdata) {
275	int dline = (y + vport->dboffset) % vport->height;	275	int dline = (y + vport->dboffset) % vport->height;
276	int doffset = screen.pixelbytes * (dline * vport->width + x);	276	int doffset = screen.pixelbytes * (dline * vport->width + x);
277	(*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));	277	(*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
Line 289...	Line 289...
289	}	289	}
290		290
291	static inline void	291	static inline void
292	putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)	292	putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)
293	{	293	{
294	(*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));	294	(*screen.rgb2scr)(&mem[POINTPOS(x, y)], COLOR(color));
295	}	295	}
296		296
297	static void	297	static void
298	draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,	298	draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
299	unsigned int width, unsigned int height, int color)	299	unsigned int width, unsigned int height, int color)
300	{	300	{
301	unsigned int x, y;	301	unsigned int x, y;
302	static void *tmpline;	302	static void *tmpline;
303		303
304	if (!tmpline)	304	if (!tmpline)
305	tmpline = malloc(screen.scanline*screen.pixelbytes);	305	tmpline = malloc(screen.scanline * screen.pixelbytes);
306		306
307	/* Clear first line */	307	/* Clear first line */
308	for (x = 0; x < width; x++)	308	for (x = 0; x < width; x++)
309	putpixel_mem(tmpline, x, 0, color);	309	putpixel_mem(tmpline, x, 0, color);
310		310
Line 313...	Line 313...
313	sx += vport->x;	313	sx += vport->x;
314	sy += vport->y;	314	sy += vport->y;
315	/* Copy the rest */	315	/* Copy the rest */
316	for (y = sy;y < sy+height; y++)	316	for (y = sy;y < sy+height; y++)
317	memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,	317	memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
318	screen.pixelbytes * width);	318	screen.pixelbytes * width);
319	}	319	}
320	if (vport->dbdata) {	320	if (vport->dbdata) {
321	for (y = sy; y < sy + height; y++) {	321	for (y = sy; y < sy + height; y++) {
322	int rline = (y + vport->dboffset) % vport->height;	322	int rline = (y + vport->dboffset) % vport->height;
323	int rpos = (rline * vport->width + sx) *	323	int rpos = (rline * vport->width + sx) *
324	screen.pixelbytes;	324	screen.pixelbytes;
325	memcpy(&vport->dbdata[rpos], tmpline,	325	memcpy(&vport->dbdata[rpos], tmpline,
326	screen.pixelbytes * width);	326	screen.pixelbytes * width);
327	}	327	}
328	}	328	}
329		329
330	}	330	}
331		331
332	/** Fill viewport with background color */	332	/** Fill viewport with background color */
333	static void	333	static void
334	clear_port(viewport_t *vport)	334	clear_port(viewport_t *vport)
335	{	335	{
336	draw_rectangle(vport, 0, 0, vport->width, vport->height,	336	draw_rectangle(vport, 0, 0, vport->width, vport->height,
337	vport->style.bg_color);	337	vport->style.bg_color);
338	}	338	}
339		339
340	/** Scroll unbuffered viewport up/down	340	/** Scroll unbuffered viewport up/down
341	*	341	*
342	* @param vport Viewport to scroll	342	* @param vport Viewport to scroll
Line 348...	Line 348...
348	int y;	348	int y;
349		349
350	if (lines > 0) {	350	if (lines > 0) {
351	for (y = vport->y; y < vport->y+vport->height - lines; y++)	351	for (y = vport->y; y < vport->y+vport->height - lines; y++)
352	memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],	352	memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
353	&screen.fbaddress[POINTPOS(vport->x,y + lines)],	353	&screen.fbaddress[POINTPOS(vport->x,y + lines)],
354	screen.pixelbytes * vport->width);	354	screen.pixelbytes * vport->width);
355	draw_rectangle(vport, 0, vport->height - lines, vport->width,	355	draw_rectangle(vport, 0, vport->height - lines, vport->width,
356	lines, vport->style.bg_color);	356	lines, vport->style.bg_color);
357	} else if (lines < 0) {	357	} else if (lines < 0) {
358	lines = -lines;	358	lines = -lines;
359	for (y = vport->y + vport->height-1; y >= vport->y + lines;	359	for (y = vport->y + vport->height-1; y >= vport->y + lines; y--)
360	y--)	-
361	memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],	360	memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
362	&screen.fbaddress[POINTPOS(vport->x,y - lines)],	361	&screen.fbaddress[POINTPOS(vport->x,y - lines)],
363	screen.pixelbytes * vport->width);	362	screen.pixelbytes * vport->width);
364	draw_rectangle(vport, 0, 0, vport->width, lines,	363	draw_rectangle(vport, 0, 0, vport->width, lines,
365	vport->style.bg_color);	364	vport->style.bg_color);
366	}	365	}
367	}	366	}
368		367
369	/** Refresh given viewport from double buffer */	368	/** Refresh given viewport from double buffer */
370	static void	369	static void
Line 378...	Line 377...
378		377
379	dstx = vport->x;	378	dstx = vport->x;
380	dsty = vport->y + y;	379	dsty = vport->y + y;
381		380
382	memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],	381	memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
383	&vport->dbdata[srcoff],	-
384	vport->width*screen.pixelbytes);	382	&vport->dbdata[srcoff], vport->width * screen.pixelbytes);
385	}	383	}
386	}	384	}
387		385
388	/** Scroll viewport that has double buffering enabled */	386	/** Scroll viewport that has double buffering enabled */
389	static void	387	static void
390	scroll_port_db(viewport_t *vport, int lines)	388	scroll_port_db(viewport_t *vport, int lines)
391	{	389	{
392	++vport->paused;	390	++vport->paused;
393	if (lines > 0) {	391	if (lines > 0) {
394	draw_rectangle(vport, 0, 0, vport->width, lines,	392	draw_rectangle(vport, 0, 0, vport->width, lines,
395	vport->style.bg_color);	393	vport->style.bg_color);
396	vport->dboffset += lines;	394	vport->dboffset += lines;
397	vport->dboffset %= vport->height;	395	vport->dboffset %= vport->height;
398	} else if (lines < 0) {	396	} else if (lines < 0) {
399	lines = -lines;	397	lines = -lines;
400	draw_rectangle(vport, 0, vport->height-lines,	398	draw_rectangle(vport, 0, vport->height-lines, vport->width,
401	vport->width, lines,	-
402	vport->style.bg_color);	399	lines, vport->style.bg_color);
403		400
404	if (vport->dboffset < lines)	401	if (vport->dboffset < lines)
405	vport->dboffset += vport->height;	402	vport->dboffset += vport->height;
406	vport->dboffset -= lines;	403	vport->dboffset -= lines;
407	}	404	}
Line 439...	Line 436...
439	* @param sy Coordinates of top-left of the character	436	* @param sy Coordinates of top-left of the character
440	* @param style Color of the character	437	* @param style Color of the character
441	* @param transparent If false, print background color	438	* @param transparent If false, print background color
442	*/	439	*/
443	static void	440	static void
444	draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx,	441	draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx, unsigned int sy,
445	unsigned int sy, style_t style, int transparent)	442	style_t style, int transparent)
446	{	443	{
447	int i;	444	int i;
448	unsigned int y;	445	unsigned int y;
449	unsigned int glline;	446	unsigned int glline;
450		447
451	for (y = 0; y < FONT_SCANLINES; y++) {	448	for (y = 0; y < FONT_SCANLINES; y++) {
452	glline = fb_font[glyph * FONT_SCANLINES + y];	449	glline = fb_font[glyph * FONT_SCANLINES + y];
453	for (i = 0; i < 8; i++) {	450	for (i = 0; i < 8; i++) {
454	if (glline & (1 << (7 - i)))	451	if (glline & (1 << (7 - i)))
455	putpixel(vport, sx + i, sy + y,	452	putpixel(vport, sx + i, sy + y, style.fg_color);
456	style.fg_color);	-
457	else if (!transparent)	453	else if (!transparent)
458	putpixel(vport, sx + i, sy + y,	454	putpixel(vport, sx + i, sy + y, style.bg_color);
459	style.bg_color);	-
460	}	455	}
461	}	456	}
462	}	457	}
463		458
464	/** Invert character at given position */	459	/** Invert character at given position */
Line 469...	Line 464...
469	unsigned int y;	464	unsigned int y;
470		465
471	for (x = 0; x < COL_WIDTH; x++)	466	for (x = 0; x < COL_WIDTH; x++)
472	for (y = 0; y < FONT_SCANLINES; y++)	467	for (y = 0; y < FONT_SCANLINES; y++)
473	invert_pixel(vport, col * COL_WIDTH + x, row *	468	invert_pixel(vport, col * COL_WIDTH + x, row *
474	FONT_SCANLINES + y);	469	FONT_SCANLINES + y);
475	}	470	}
476		471
477	/***************************************************************/	472	/***************************************************************/
478	/* Stdout specific functions */	473	/* Stdout specific functions */
479		474
Line 628...	Line 623...
628	if (vport->cursor_active && vport->cursor_shown &&	623	if (vport->cursor_active && vport->cursor_shown &&
629	(vport->cur_col != col \|\| vport->cur_row != row))	624	(vport->cur_col != col \|\| vport->cur_row != row))
630	invert_char(vport, vport->cur_row, vport->cur_col);	625	invert_char(vport, vport->cur_row, vport->cur_col);
631		626
632	draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style,	627	draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style,
633	transparent);	628	transparent);
634		629
635	vport->cur_col = col;	630	vport->cur_col = col;
636	vport->cur_row = row;	631	vport->cur_row = row;
637		632
638	vport->cur_col++;	633	vport->cur_col++;
Line 657...	Line 652...
657	int col,row;	652	int col,row;
658		653
659	clear_port(vport);	654	clear_port(vport);
660	for (i = 0; i < vport->cols * vport->rows; i++) {	655	for (i = 0; i < vport->cols * vport->rows; i++) {
661	if (data[i].character == ' ' && style_same(data[i].style,	656	if (data[i].character == ' ' && style_same(data[i].style,
662	vport->style))	657	vport->style))
663	continue;	658	continue;
664	col = i % vport->cols;	659	col = i % vport->cols;
665	row = i / vport->cols;	660	row = i / vport->cols;
666	draw_glyph(vport, data[i].character, col * COL_WIDTH, row *	661	draw_glyph(vport, data[i].character, col * COL_WIDTH, row *
667	FONT_SCANLINES, data[i].style,	662	FONT_SCANLINES, data[i].style, style_same(data[i].style,
668	style_same(data[i].style,vport->style));	663	vport->style));
669	}	664	}
670	cursor_print(vport);	665	cursor_print(vport);
671	}	666	}
672		667
673	/** Return first free pixmap */	668	/** Return first free pixmap */
Line 709...	Line 704...
709	pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);	704	pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
710	if (!pmap->data)	705	if (!pmap->data)
711	return ENOMEM;	706	return ENOMEM;
712		707
713	ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,	708	ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
714	(putpixel_cb_t)putpixel_pixmap, (void *)pm);	709	(putpixel_cb_t)putpixel_pixmap, (void *)pm);
715		710
716	return pm;	711	return pm;
717	}	712	}
718		713
719	/** Handle shared memory communication calls	714	/** Handle shared memory communication calls
Line 755...	Line 750...
755	case IPC_M_AS_AREA_SEND:	750	case IPC_M_AS_AREA_SEND:
756	/* We accept one area for data interchange */	751	/* We accept one area for data interchange */
757	if (IPC_GET_ARG1(*call) == shm_id) {	752	if (IPC_GET_ARG1(*call) == shm_id) {
758	void dest = as_get_mappable_page(IPC_GET_ARG2(call));	753	void dest = as_get_mappable_page(IPC_GET_ARG2(call));
759	shm_size = IPC_GET_ARG2(*call);	754	shm_size = IPC_GET_ARG2(*call);
760	if (!ipc_answer_fast(callid, 0, (sysarg_t) dest, 0))	755	if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
761	shm = dest;	756	shm = dest;
762	else	757	else
763	shm_id = 0;	758	shm_id = 0;
764	if (shm[0] != 'P')	759	if (shm[0] != 'P')
765	while (1)	760	while (1)
Line 803...	Line 798...
803	retval = EINVAL;	798	retval = EINVAL;
804	break;	799	break;
805	}	800	}
806		801
807	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),	802	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
808	IPC_GET_ARG2(*call), vport->width - x,	803	IPC_GET_ARG2(*call), vport->width - x, vport->height - y,
809	vport->height - y, (putpixel_cb_t)putpixel, vport);	804	(putpixel_cb_t)putpixel, vport);
810	break;	805	break;
811	case FB_DRAW_TEXT_DATA:	806	case FB_DRAW_TEXT_DATA:
812	if (!interbuffer) {	807	if (!interbuffer) {
813	retval = EINVAL;	808	retval = EINVAL;
814	break;	809	break;
815	}	810	}
816	if (intersize < vport->cols * vport->rows *	811	if (intersize < vport->cols * vport->rows *
817	sizeof(*interbuffer)) {	812	sizeof(*interbuffer)) {
818	retval = EINVAL;	813	retval = EINVAL;
819	break;	814	break;
820	}	815	}
821	draw_text_data(vport, interbuffer);	816	draw_text_data(vport, interbuffer);
822	break;	817	break;
823	default:	818	default:
824	handled = 0;	819	handled = 0;
825	}	820	}
826		821
827	if (handled)	822	if (handled)
828	ipc_answer_fast(callid, retval, 0, 0);	823	ipc_answer_0(callid, retval);
829	return handled;	824	return handled;
830	}	825	}
831		826
832	static void	827	static void
833	copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)	828	copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)
Line 849...	Line 844...
849	srcrowsize = vport->width * screen.pixelbytes;	844	srcrowsize = vport->width * screen.pixelbytes;
850	realrowsize = realwidth * screen.pixelbytes;	845	realrowsize = realwidth * screen.pixelbytes;
851		846
852	for (y = 0; y < realheight; y++) {	847	for (y = 0; y < realheight; y++) {
853	tmp = (vport->y + y) * screen.scanline +	848	tmp = (vport->y + y) * screen.scanline +
854	vport->x * screen.pixelbytes;	849	vport->x * screen.pixelbytes;
855	memcpy(pmap->data + srcrowsize * y, screen.fbaddress + tmp,	850	memcpy(pmap->data + srcrowsize * y, screen.fbaddress + tmp,
856	realrowsize);	851	realrowsize);
857	}	852	}
858	}	853	}
859		854
860	/** Save viewport to pixmap */	855	/** Save viewport to pixmap */
861	static int	856	static int
Line 910...	Line 905...
910	srcrowsize = vport->width * screen.pixelbytes;	905	srcrowsize = vport->width * screen.pixelbytes;
911	realrowsize = realwidth * screen.pixelbytes;	906	realrowsize = realwidth * screen.pixelbytes;
912		907
913	for (y = 0; y < realheight; y++) {	908	for (y = 0; y < realheight; y++) {
914	tmp = (vport->y + y) * screen.scanline +	909	tmp = (vport->y + y) * screen.scanline +
915	vport->x * screen.pixelbytes;	910	vport->x * screen.pixelbytes;
916	memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,	911	memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,
917	realrowsize);	912	realrowsize);
918	}	913	}
919	return 0;	914	return 0;
920	}	915	}
921		916
922	/** Tick animation one step forward */	917	/** Tick animation one step forward */
Line 931...	Line 926...
931	if (counts)	926	if (counts)
932	return;	927	return;
933		928
934	for (i = 0; i < MAX_ANIMATIONS; i++) {	929	for (i = 0; i < MAX_ANIMATIONS; i++) {
935	if (!animations[i].animlen \|\| !animations[i].initialized \|\|	930	if (!animations[i].animlen \|\| !animations[i].initialized \|\|
936	!animations[i].enabled)	931	!animations[i].enabled)
937	continue;	932	continue;
938	draw_pixmap(animations[i].vp,	933	draw_pixmap(animations[i].vp,
939	animations[i].pixmaps[animations[i].pos]);	934	animations[i].pixmaps[animations[i].pos]);
940	animations[i].pos = (animations[i].pos + 1) %	935	animations[i].pos = (animations[i].pos + 1) %
941	animations[i].animlen;	936	animations[i].animlen;
942	}	937	}
943	}	938	}
944		939
945		940
946	static int pointer_x, pointer_y;	941	static int pointer_x, pointer_y;
Line 960...	Line 955...
960	return;	955	return;
961		956
962	/* Save image under the cursor */	957	/* Save image under the cursor */
963	if (pointer_vport == -1) {	958	if (pointer_vport == -1) {
964	pointer_vport = viewport_create(pointer_x, pointer_y,	959	pointer_vport = viewport_create(pointer_x, pointer_y,
965	pointer_width, pointer_height);	960	pointer_width, pointer_height);
966	if (pointer_vport < 0)	961	if (pointer_vport < 0)
967	return;	962	return;
968	} else {	963	} else {
969	viewports[pointer_vport].x = pointer_x;	964	viewports[pointer_vport].x = pointer_x;
970	viewports[pointer_vport].y = pointer_y;	965	viewports[pointer_vport].y = pointer_y;
Line 972...	Line 967...
972		967
973	if (pointer_pixmap == -1)	968	if (pointer_pixmap == -1)
974	pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);	969	pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
975	else	970	else
976	copy_vp_to_pixmap(&viewports[pointer_vport],	971	copy_vp_to_pixmap(&viewports[pointer_vport],
977	&pixmaps[pointer_pixmap]);	972	&pixmaps[pointer_pixmap]);
978		973
979	/* Draw cursor */	974	/* Draw cursor */
980	for (i = 0; i < pointer_height; i++)	975	for (i = 0; i < pointer_height; i++)
981	for (j = 0; j < pointer_width; j++) {	976	for (j = 0; j < pointer_width; j++) {
982	bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;	977	bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
983	visibility = pointer_mask_bits[bytepos] &	978	visibility = pointer_mask_bits[bytepos] &
984	(1 << (j % 8));	979	(1 << (j % 8));
985	if (visibility) {	980	if (visibility) {
986	color = pointer_bits[bytepos] & (1 << (j % 8))	981	color = pointer_bits[bytepos] &
987	? 0 : 0xffffff;	982	(1 << (j % 8)) ? 0 : 0xffffff;
988	if (pointer_x + j < screen.xres && pointer_y +	983	if (pointer_x + j < screen.xres && pointer_y +
989	i < screen.yres)	984	i < screen.yres)
990	putpixel(&viewports[0], pointer_x + j,	985	putpixel(&viewports[0], pointer_x + j,
991	pointer_y + i, color);	986	pointer_y + i, color);
992	}	987	}
993	}	988	}
994	pointer_shown = 1;	989	pointer_shown = 1;
995	}	990	}
996		991
Line 1104...	Line 1099...
1104	break;	1099	break;
1105	default:	1100	default:
1106	handled = 0;	1101	handled = 0;
1107	}	1102	}
1108	if (handled)	1103	if (handled)
1109	ipc_answer_fast(callid, retval, 0, 0);	1104	ipc_answer_0(callid, retval);
1110	return handled;	1105	return handled;
1111	}	1106	}
1112		1107
1113	/** Handler for messages concerning pixmap handling */	1108	/** Handler for messages concerning pixmap handling */
1114	static int	1109	static int
Line 1155...	Line 1150...
1155	default:	1150	default:
1156	handled = 0;	1151	handled = 0;
1157	}	1152	}
1158		1153
1159	if (handled)	1154	if (handled)
1160	ipc_answer_fast(callid, retval, 0, 0);	1155	ipc_answer_0(callid, retval);
1161	return handled;	1156	return handled;
1162		1157
1163	}	1158	}
1164		1159
1165	/** Function for handling connections to FB	1160	/** Function for handling connections to FB
Line 1177...	Line 1172...
1177		1172
1178	int vp = 0;	1173	int vp = 0;
1179	viewport_t *vport = &viewports[0];	1174	viewport_t *vport = &viewports[0];
1180		1175
1181	if (client_connected) {	1176	if (client_connected) {
1182	ipc_answer_fast(iid, ELIMIT, 0,0);	1177	ipc_answer_0(iid, ELIMIT);
1183	return;	1178	return;
1184	}	1179	}
1185	client_connected = 1;	1180	client_connected = 1;
1186	ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */	1181	ipc_answer_0(iid, EOK); /* Accept connection */
1187		1182
1188	while (1) {	1183	while (1) {
1189	if (vport->cursor_active \|\| anims_enabled)	1184	if (vport->cursor_active \|\| anims_enabled)
1190	callid = async_get_call_timeout(&call, 250000);	1185	callid = async_get_call_timeout(&call, 250000);
1191	else	1186	else
Line 1220...	Line 1215...
1220	col = IPC_GET_ARG3(call);	1215	col = IPC_GET_ARG3(call);
1221	if (row >= vport->rows \|\| col >= vport->cols) {	1216	if (row >= vport->rows \|\| col >= vport->cols) {
1222	retval = EINVAL;	1217	retval = EINVAL;
1223	break;	1218	break;
1224	}	1219	}
1225	ipc_answer_fast(callid, 0, 0, 0);	1220	ipc_answer_0(callid, EOK);
1226		1221
1227	draw_char(vport, c, row, col, vport->style,	1222	draw_char(vport, c, row, col, vport->style,
1228	IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);	1223	IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
1229	continue; /* msg already answered */	1224	continue; /* msg already answered */
1230	case FB_CLEAR:	1225	case FB_CLEAR:
1231	clear_port(vport);	1226	clear_port(vport);
1232	cursor_print(vport);	1227	cursor_print(vport);
1233	retval = 0;	1228	retval = 0;
Line 1250...	Line 1245...
1250	vport->cursor_active = IPC_GET_ARG1(call);	1245	vport->cursor_active = IPC_GET_ARG1(call);
1251	cursor_print(vport);	1246	cursor_print(vport);
1252	retval = 0;	1247	retval = 0;
1253	break;	1248	break;
1254	case FB_GET_CSIZE:	1249	case FB_GET_CSIZE:
1255	ipc_answer_fast(callid, 0, vport->rows, vport->cols);	1250	ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1256	continue;	1251	continue;
1257	case FB_SCROLL:	1252	case FB_SCROLL:
1258	i = IPC_GET_ARG1(call);	1253	i = IPC_GET_ARG1(call);
1259	if (i > vport->rows \|\| i < (- (int)vport->rows)) {	1254	if (i > vport->rows \|\| i < (- (int)vport->rows)) {
1260	retval = EINVAL;	1255	retval = EINVAL;
Line 1272...	Line 1267...
1272	i = vp;	1267	i = vp;
1273	if (i < 0 \|\| i >= MAX_VIEWPORTS) {	1268	if (i < 0 \|\| i >= MAX_VIEWPORTS) {
1274	retval = EINVAL;	1269	retval = EINVAL;
1275	break;	1270	break;
1276	}	1271	}
1277	if (! viewports[i].initialized ) {	1272	if (!viewports[i].initialized ) {
1278	retval = EADDRNOTAVAIL;	1273	retval = EADDRNOTAVAIL;
1279	break;	1274	break;
1280	}	1275	}
1281	viewports[i].dboffset = 0;	1276	viewports[i].dboffset = 0;
1282	if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)	1277	if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
1283	viewports[i].dbdata = malloc(screen.pixelbytes	1278	viewports[i].dbdata =
1284	* viewports[i].width *	1279	malloc(screen.pixelbytes *
1285	viewports[i].height);	1280	viewports[i].width * viewports[i].height);
1286	else if (IPC_GET_ARG2(call) == 0 &&	1281	else if (IPC_GET_ARG2(call) == 0 &&
1287	viewports[i].dbdata) {	1282	viewports[i].dbdata) {
1288	free(viewports[i].dbdata);	1283	free(viewports[i].dbdata);
1289	viewports[i].dbdata = NULL;	1284	viewports[i].dbdata = NULL;
1290	}	1285	}
1291	retval = 0;	1286	retval = 0;
1292	break;	1287	break;
Line 1306...	Line 1301...
1306	cursor_print(vport);	1301	cursor_print(vport);
1307	retval = 0;	1302	retval = 0;
1308	break;	1303	break;
1309	case FB_VIEWPORT_CREATE:	1304	case FB_VIEWPORT_CREATE:
1310	retval = viewport_create(IPC_GET_ARG1(call) >> 16,	1305	retval = viewport_create(IPC_GET_ARG1(call) >> 16,
1311	IPC_GET_ARG1(call) & 0xffff,	1306	IPC_GET_ARG1(call) & 0xffff,
1312	IPC_GET_ARG2(call) >> 16,	1307	IPC_GET_ARG2(call) >> 16,
1313	IPC_GET_ARG2(call) & 0xffff);	1308	IPC_GET_ARG2(call) & 0xffff);
1314	break;	1309	break;
1315	case FB_VIEWPORT_DELETE:	1310	case FB_VIEWPORT_DELETE:

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(root)//trunk/uspace/srv/fb/fb.c – Rev 2479 → 2619