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



{
    return screen.invert_colors ? ~color : color;
}
 
/* Conversion routines between different color representations */
static void
rgb_byte0888(void *dst, int rgb)
{
    *(int *)dst = rgb;
}
 
static int
byte0888_rgb(void *src)
{
    return (*(int *)src) & 0xffffff;
}
 
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)
{
    uint8_t *scr = dst;
#if defined(FB_INVERT_ENDIAN)
    scr[0] = RED(rgb, 8);
    scr[1] = GREEN(rgb, 8);

    scr[1] = GREEN(rgb, 8);
    scr[0] = BLUE(rgb, 8);
#endif
}
 
static int
byte888_rgb(void *src)
{
    uint8_t *scr = src;
#if defined(FB_INVERT_ENDIAN)
    return scr[0] << 16 | scr[1] << 8 | scr[2];
#else
    return scr[2] << 16 | scr[1] << 8 | scr[0];
#endif  
}
 
/**  16-bit depth (5:5:5) */
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)
{
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
}
 
/** Return pixel color - 8-bit depth (3:2:3) */
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
 * @param x X coord relative to viewport
 * @param y Y coord relative to viewport
 * @param color RGB color
 */
static void
putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
 
{
    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));
    }
}
 
/** Get pixel from viewport */
static int
getpixel(viewport_t *vport, unsigned int x, unsigned int y)
{
    int dx = vport->x + x;
    int dy = vport->y + y;
 
    return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx, dy)]));
}
 
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;
 

    }
 
}
 
/** 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
 * @param lines Positive number - scroll up, negative - scroll down
 */
static void
scroll_port_nodb(viewport_t *vport, int lines)
{
    int y;
 
    if (lines > 0) {
        for (y = vport->y; y < vport->y+vport->height - lines; y++)

            vport->style.bg_color);
    }
}
 
/** Refresh given viewport from double buffer */
static void
refresh_viewport_db(viewport_t *vport)
{
    unsigned int y, srcy, srcoff, dsty, dstx;
 
    for (y = 0; y < vport->height; y++) {
        srcy = (y + vport->dboffset) % vport->height;

               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);

   
    refresh_viewport_db(vport);
}
 
/** Scrolls viewport given number of lines */
static void
scroll_port(viewport_t *vport, int lines)
{
    if (vport->dbdata)
        scroll_port_db(vport, lines);
    else
        scroll_port_nodb(vport, lines);
   
}
 
static void
invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
{
    putpixel(vport, x, y, ~getpixel(vport, x, y));
}
 
 

 * @param sx Coordinates of top-left of the character
 * @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;

        }
    }
}
 
/** Invert character at given position */
static void
invert_char(viewport_t *vport,unsigned int row, unsigned int col)
{
    unsigned int x;
    unsigned int y;
 
    for (x = 0; x < COL_WIDTH; x++)

 
/** Create new viewport
 *
 * @return New viewport number
 */
static int
viewport_create(unsigned int x, unsigned int y,unsigned int width,
    unsigned int height)
{
    int i;
 
    for (i = 0; i < MAX_VIEWPORTS; i++) {
        if (!viewports[i].initialized)
            break;
    }
    if (i == MAX_VIEWPORTS)
        return ELIMIT;

    viewports[i].initialized = 1;
 
    return i;
}
 
 
/** Initialize framebuffer as a chardev output device
 *
 * @param addr          Address of theframebuffer
 * @param xres          Screen width in pixels
 * @param yres          Screen height in pixels
 * @param visual        Bits per pixel (8, 16, 24, 32)
 * @param scan          Bytes per one scanline
 * @param invert_colors Inverted colors.
 *
 */
static bool
screen_init(void *addr, unsigned int xres, unsigned int yres,
    unsigned int scan, unsigned int visual, bool invert_colors)
{
    switch (visual) {
    case VISUAL_INDIRECT_8:
        screen.rgb2scr = rgb_byte8;

   
    return true;
}
 
/** Hide cursor if it is shown */
static void
cursor_hide(viewport_t *vport)
{
    if (vport->cursor_active && vport->cursor_shown) {
        invert_char(vport, vport->cur_row, vport->cur_col);
        vport->cursor_shown = 0;
    }
}
 
/** Show cursor if cursor showing is enabled */
static void
cursor_print(viewport_t *vport)
{
    /* Do not check for cursor_shown */
    if (vport->cursor_active) {
        invert_char(vport, vport->cur_row, vport->cur_col);
        vport->cursor_shown = 1;
    }
}
 
/** Invert cursor, if it is enabled */
static void
cursor_blink(viewport_t *vport)
{
    if (vport->cursor_shown)
        cursor_hide(vport);
    else
        cursor_print(vport);

 * @param c Character to print
 * @param row Screen position relative to viewport
 * @param col Screen position relative to viewport
 * @param transparent If false, print background color with character
 */
static void
draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
    style_t style, int transparent)
{
    /* Optimize - do not hide cursor if we are going to overwrite it */
    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 text data to viewport
 *
 * @param vport Viewport id
 * @param data Text data fitting exactly into viewport
 */
static void
draw_text_data(viewport_t *vport, keyfield_t *data)
{
    int i;
    int col,row;
 
    clear_port(vport);

            style_same(data[i].style,vport->style));
    }
    cursor_print(vport);
}
 
 
/** Return first free pixmap */
static int
find_free_pixmap(void)
{
    int i;
   
    for (i = 0;i < MAX_PIXMAPS;i++)
        if (!pixmaps[i].data)
            return i;
    return -1;
}
 
static void
putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
{
    pixmap_t *pmap = &pixmaps[pm];
    int pos = (y * pmap->width + x) * screen.pixelbytes;
 
    (*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
}
 
/** Create a new pixmap and return appropriate ID */
static int
shm2pixmap(unsigned char *shm, size_t size)
{
    int pm;
    pixmap_t *pmap;
 
    pm = find_free_pixmap();

 * @return 0 if the call was not handled byt this function, 1 otherwise
 *
 * note: this function is not threads safe, you would have
 * to redefine static variables with __thread
 */
static int
shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
{
    static keyfield_t *interbuffer = NULL;
    static size_t intersize = 0;
 
    static unsigned char *shm = NULL;

    static size_t shm_size;
 
    int handled = 1;
    int retval = 0;
    viewport_t *vport = &viewports[vp];
    unsigned int x, y;
 
    switch (IPC_GET_METHOD(*call)) {
    case IPC_M_AS_AREA_SEND:
        /* We accept one area for data interchange */
        if (IPC_GET_ARG1(*call) == shm_id) {

            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 (handled)
        ipc_answer_fast(callid, retval, 0, 0);
    return handled;
}
 
static void
copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
{
    int y;
    int rowsize;
    int tmp;
    int width = vport->width;

        height = screen.yres - vport->y;
 
    rowsize = width * screen.pixelbytes;
 
    for (y = 0; y < height; y++) {
        tmp = (vport->y + y) * screen.scanline +
            vport->x * screen.pixelbytes;
        memcpy(pmap->data + rowsize * y, screen.fbaddress + tmp,
            rowsize);
    }
}
 
/** Save viewport to pixmap */
static int
save_vp_to_pixmap(viewport_t *vport)
{
    int pm;
    pixmap_t *pmap;
 
    pm = find_free_pixmap();

    realheight = pmap->height <= height ? pmap->height : height;
 
    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 */
static void
anims_tick(void)
{
    int i;
    static int counts = 0;
   
    /* Limit redrawing */
    counts = (counts + 1) % 8;
    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]);

static int pointer_x, pointer_y;
static int pointer_shown, pointer_enabled;
static int pointer_vport = -1;
static int pointer_pixmap = -1;
 
static void
mouse_show(void)
{
    int i, j;
    int visibility;
    int color;
    int bytepos;
 
    if (pointer_shown || !pointer_enabled)

 
    /* 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;
}
 
static void
mouse_hide(void)
{
    /* Restore image under the cursor */
    if (pointer_shown) {
        draw_pixmap(pointer_vport, pointer_pixmap);
        pointer_shown = 0;
    }
}
 
static void
mouse_move(unsigned int x, unsigned int y)
{
    mouse_hide();
    pointer_x = x;
    pointer_y = y;
    mouse_show();
}
 
static int
anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
{
    int handled = 1;
    int retval = 0;
    int i,nvp;
    int newval;

        ipc_answer_fast(callid, retval, 0, 0);
    return handled;
}
 
/** Handler for messages concerning pixmap handling */
static int
pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
{
    int handled = 1;
    int retval = 0;
    int i,nvp;
 

}
 
/** Function for handling connections to FB
 *
 */
static void
fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int retval;
    int i;

    client_connected = 1;
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
 
    while (1) {
        if (vport->cursor_active || anims_enabled)
            callid = async_get_call_timeout(&call, 250000);
        else
            callid = async_get_call(&call);
 
        mouse_hide();
        if (!callid) {

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

            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;

            retval = 0;
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_fast(callid,retval, 0, 0);
    }
}
 
/** Initialization of framebuffer */
int
fb_init(void)
{
    void *fb_ph_addr;
    unsigned int fb_width;
    unsigned int fb_height;
    unsigned int fb_scanline;

Rev 2025	Rev 2070
Line 147...	Line 147...
147	{	147	{
148	return screen.invert_colors ? ~color : color;	148	return screen.invert_colors ? ~color : color;
149	}	149	}
150		150
151	/* Conversion routines between different color representations */	151	/* Conversion routines between different color representations */
-		152	static void
152	static void rgb_byte0888(void *dst, int rgb)	153	rgb_byte0888(void *dst, int rgb)
153	{	154	{
154	(int )dst = rgb;	155	(int )dst = rgb;
155	}	156	}
156		157
-		158	static int
157	static int byte0888_rgb(void *src)	159	byte0888_rgb(void *src)
158	{	160	{
159	return ((int )src) & 0xffffff;	161	return ((int )src) & 0xffffff;
160	}	162	}
161		163
-		164	static void
162	static void bgr_byte0888(void *dst, int rgb)	165	bgr_byte0888(void *dst, int rgb)
163	{	166	{
164	((uint32_t ) dst) = BLUE(rgb, 8) << 16 \| GREEN(rgb, 8) << 8 \|	167	((uint32_t ) dst) = BLUE(rgb, 8) << 16 \| GREEN(rgb, 8) << 8 \|
165	RED(rgb, 8);	168	RED(rgb, 8);
166	}	169	}
167		170
-		171	static int
168	static int byte0888_bgr(void *src)	172	byte0888_bgr(void *src)
169	{	173	{
170	int color = (uint32_t )(src);	174	int color = (uint32_t )(src);
171	return ((color & 0xff) << 16) \| (((color >> 8) & 0xff) << 8) \| ((color	175	return ((color & 0xff) << 16) \| (((color >> 8) & 0xff) << 8) \|
172	>> 16) & 0xff);	176	((color >> 16) & 0xff);
173	}	177	}
174		178
-		179	static void
175	static void rgb_byte888(void *dst, int rgb)	180	rgb_byte888(void *dst, int rgb)
176	{	181	{
177	uint8_t *scr = dst;	182	uint8_t *scr = dst;
178	#if defined(FB_INVERT_ENDIAN)	183	#if defined(FB_INVERT_ENDIAN)
179	scr[0] = RED(rgb, 8);	184	scr[0] = RED(rgb, 8);
180	scr[1] = GREEN(rgb, 8);	185	scr[1] = GREEN(rgb, 8);
Line 184...	Line 189...
184	scr[1] = GREEN(rgb, 8);	189	scr[1] = GREEN(rgb, 8);
185	scr[0] = BLUE(rgb, 8);	190	scr[0] = BLUE(rgb, 8);
186	#endif	191	#endif
187	}	192	}
188		193
-		194	static int
189	static int byte888_rgb(void *src)	195	byte888_rgb(void *src)
190	{	196	{
191	uint8_t *scr = src;	197	uint8_t *scr = src;
192	#if defined(FB_INVERT_ENDIAN)	198	#if defined(FB_INVERT_ENDIAN)
193	return scr[0] << 16 \| scr[1] << 8 \| scr[2];	199	return scr[0] << 16 \| scr[1] << 8 \| scr[2];
194	#else	200	#else
195	return scr[2] << 16 \| scr[1] << 8 \| scr[0];	201	return scr[2] << 16 \| scr[1] << 8 \| scr[0];
196	#endif	202	#endif
197	}	203	}
198		204
199	/** 16-bit depth (5:5:5) */	205	/** 16-bit depth (5:5:5) */
-		206	static void
200	static void rgb_byte555(void *dst, int rgb)	207	rgb_byte555(void *dst, int rgb)
201	{	208	{
202	/* 5-bit, 5-bits, 5-bits */	209	/* 5-bit, 5-bits, 5-bits */
203	((uint16_t )(dst)) = RED(rgb, 5) << 10 \| GREEN(rgb, 5) << 5 \|	210	((uint16_t )(dst)) = RED(rgb, 5) << 10 \| GREEN(rgb, 5) << 5 \|
204	BLUE(rgb, 5);	211	BLUE(rgb, 5);
205	}	212	}
206		213
207	/** 16-bit depth (5:5:5) */	214	/** 16-bit depth (5:5:5) */
-		215	static int
208	static int byte555_rgb(void *src)	216	byte555_rgb(void *src)
209	{	217	{
210	int color = (uint16_t )(src);	218	int color = (uint16_t )(src);
211	return (((color >> 10) & 0x1f) << (16 + 3)) \| (((color >> 5) & 0x1f) <<	219	return (((color >> 10) & 0x1f) << (16 + 3)) \|
212	(8 + 3)) \| ((color & 0x1f) << 3);	220	(((color >> 5) & 0x1f) << (8 + 3)) \| ((color & 0x1f) << 3);
213	}	221	}
214		222
215	/** 16-bit depth (5:6:5) */	223	/** 16-bit depth (5:6:5) */
-		224	static void
216	static void rgb_byte565(void *dst, int rgb)	225	rgb_byte565(void *dst, int rgb)
217	{	226	{
218	/* 5-bit, 6-bits, 5-bits */	227	/* 5-bit, 6-bits, 5-bits */
219	((uint16_t )(dst)) = RED(rgb, 5) << 11 \| GREEN(rgb, 6) << 5 \|	228	((uint16_t )(dst)) = RED(rgb, 5) << 11 \| GREEN(rgb, 6) << 5 \|
220	BLUE(rgb, 5);	229	BLUE(rgb, 5);
221	}	230	}
222		231
223	/** 16-bit depth (5:6:5) */	232	/** 16-bit depth (5:6:5) */
-		233	static int
224	static int byte565_rgb(void *src)	234	byte565_rgb(void *src)
225	{	235	{
226	int color = (uint16_t )(src);	236	int color = (uint16_t )(src);
227	return (((color >> 11) & 0x1f) << (16 + 3)) \| (((color >> 5) & 0x3f) <<	237	return (((color >> 11) & 0x1f) << (16 + 3)) \|
228	(8 + 2)) \| ((color & 0x1f) << 3);	238	(((color >> 5) & 0x3f) << (8 + 2)) \| ((color & 0x1f) << 3);
229	}	239	}
230		240
231	/** Put pixel - 8-bit depth (3:2:3) */	241	/** Put pixel - 8-bit depth (3:2:3) */
-		242	static void
232	static void rgb_byte8(void *dst, int rgb)	243	rgb_byte8(void *dst, int rgb)
233	{	244	{
234	(uint8_t )dst = RED(rgb, 3) << 5 \| GREEN(rgb, 2) << 3 \| BLUE(rgb, 3);	245	(uint8_t )dst = RED(rgb, 3) << 5 \| GREEN(rgb, 2) << 3 \| BLUE(rgb, 3);
235	}	246	}
236		247
237	/** Return pixel color - 8-bit depth (3:2:3) */	248	/** Return pixel color - 8-bit depth (3:2:3) */
-		249	static int
238	static int byte8_rgb(void *src)	250	byte8_rgb(void *src)
239	{	251	{
240	int color = (uint8_t )src;	252	int color = (uint8_t )src;
241	return (((color >> 5) & 0x7) << (16 + 5)) \| (((color >> 3) & 0x3) <<	253	return (((color >> 5) & 0x7) << (16 + 5)) \|
242	(8 + 6)) \| ((color & 0x7) << 5);	254	(((color >> 3) & 0x3) << (8 + 6)) \| ((color & 0x7) << 5);
243	}	255	}
244		256
245	/** Put pixel into viewport	257	/** Put pixel into viewport
246	*	258	*
247	* @param vport Viewport identification	259	* @param vport Viewport identification
248	* @param x X coord relative to viewport	260	* @param x X coord relative to viewport
249	* @param y Y coord relative to viewport	261	* @param y Y coord relative to viewport
250	* @param color RGB color	262	* @param color RGB color
251	*/	263	*/
-		264	static void
252	static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int	265	putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
253	color)	-
254	{	266	{
255	int dx = vport->x + x;	267	int dx = vport->x + x;
256	int dy = vport->y + y;	268	int dy = vport->y + y;
257		269
258	if (! (vport->paused && vport->dbdata))	270	if (! (vport->paused && vport->dbdata))
259	(*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)], COLOR(color));	271	(*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],
-		272	COLOR(color));
260		273
261	if (vport->dbdata) {	274	if (vport->dbdata) {
262	int dline = (y + vport->dboffset) % vport->height;	275	int dline = (y + vport->dboffset) % vport->height;
263	int doffset = screen.pixelbytes * (dline * vport->width + x);	276	int doffset = screen.pixelbytes * (dline * vport->width + x);
264	(*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));	277	(*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
265	}	278	}
266	}	279	}
267		280
268	/** Get pixel from viewport */	281	/** Get pixel from viewport */
-		282	static int
269	static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)	283	getpixel(viewport_t *vport, unsigned int x, unsigned int y)
270	{	284	{
271	int dx = vport->x + x;	285	int dx = vport->x + x;
272	int dy = vport->y + y;	286	int dy = vport->y + y;
273		287
274	return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]));	288	return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx, dy)]));
275	}	289	}
276		290
-		291	static inline void
277	static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y, int	292	putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)
278	color)	-
279	{	293	{
280	(*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));	294	(*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));
281	}	295	}
282		296
-		297	static void
283	static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,	298	draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
284	unsigned int width, unsigned int height, int color)	299	unsigned int width, unsigned int height, int color)
285	{	300	{
286	unsigned int x, y;	301	unsigned int x, y;
287	static void *tmpline;	302	static void *tmpline;
288		303
Line 313...	Line 328...
313	}	328	}
314		329
315	}	330	}
316		331
317	/** Fill viewport with background color */	332	/** Fill viewport with background color */
-		333	static void
318	static void clear_port(viewport_t *vport)	334	clear_port(viewport_t *vport)
319	{	335	{
320	draw_rectangle(vport, 0, 0, vport->width, vport->height,	336	draw_rectangle(vport, 0, 0, vport->width, vport->height,
321	vport->style.bg_color);	337	vport->style.bg_color);
322	}	338	}
323		339
324	/** Scroll unbuffered viewport up/down	340	/** Scroll unbuffered viewport up/down
325	*	341	*
326	* @param vport Viewport to scroll	342	* @param vport Viewport to scroll
327	* @param lines Positive number - scroll up, negative - scroll down	343	* @param lines Positive number - scroll up, negative - scroll down
328	*/	344	*/
-		345	static void
329	static void scroll_port_nodb(viewport_t *vport, int lines)	346	scroll_port_nodb(viewport_t *vport, int lines)
330	{	347	{
331	int y;	348	int y;
332		349
333	if (lines > 0) {	350	if (lines > 0) {
334	for (y = vport->y; y < vport->y+vport->height - lines; y++)	351	for (y = vport->y; y < vport->y+vport->height - lines; y++)
Line 348...	Line 365...
348	vport->style.bg_color);	365	vport->style.bg_color);
349	}	366	}
350	}	367	}
351		368
352	/** Refresh given viewport from double buffer */	369	/** Refresh given viewport from double buffer */
-		370	static void
353	static void refresh_viewport_db(viewport_t *vport)	371	refresh_viewport_db(viewport_t *vport)
354	{	372	{
355	unsigned int y, srcy, srcoff, dsty, dstx;	373	unsigned int y, srcy, srcoff, dsty, dstx;
356		374
357	for (y = 0; y < vport->height; y++) {	375	for (y = 0; y < vport->height; y++) {
358	srcy = (y + vport->dboffset) % vport->height;	376	srcy = (y + vport->dboffset) % vport->height;
Line 366...	Line 384...
366	vport->width*screen.pixelbytes);	384	vport->width*screen.pixelbytes);
367	}	385	}
368	}	386	}
369		387
370	/** Scroll viewport that has double buffering enabled */	388	/** Scroll viewport that has double buffering enabled */
-		389	static void
371	static void scroll_port_db(viewport_t *vport, int lines)	390	scroll_port_db(viewport_t *vport, int lines)
372	{	391	{
373	++vport->paused;	392	++vport->paused;
374	if (lines > 0) {	393	if (lines > 0) {
375	draw_rectangle(vport, 0, 0, vport->width, lines,	394	draw_rectangle(vport, 0, 0, vport->width, lines,
376	vport->style.bg_color);	395	vport->style.bg_color);
Line 391...	Line 410...
391		410
392	refresh_viewport_db(vport);	411	refresh_viewport_db(vport);
393	}	412	}
394		413
395	/** Scrolls viewport given number of lines */	414	/** Scrolls viewport given number of lines */
-		415	static void
396	static void scroll_port(viewport_t *vport, int lines)	416	scroll_port(viewport_t *vport, int lines)
397	{	417	{
398	if (vport->dbdata)	418	if (vport->dbdata)
399	scroll_port_db(vport, lines);	419	scroll_port_db(vport, lines);
400	else	420	else
401	scroll_port_nodb(vport, lines);	421	scroll_port_nodb(vport, lines);
402		422
403	}	423	}
404		424
-		425	static void
405	static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)	426	invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
406	{	427	{
407	putpixel(vport, x, y, ~getpixel(vport, x, y));	428	putpixel(vport, x, y, ~getpixel(vport, x, y));
408	}	429	}
409		430
410		431
Line 417...	Line 438...
417	* @param sx Coordinates of top-left of the character	438	* @param sx Coordinates of top-left of the character
418	* @param sy Coordinates of top-left of the character	439	* @param sy Coordinates of top-left of the character
419	* @param style Color of the character	440	* @param style Color of the character
420	* @param transparent If false, print background color	441	* @param transparent If false, print background color
421	*/	442	*/
-		443	static void
422	static void draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx,	444	draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx,
423	unsigned int sy, style_t style, int transparent)	445	unsigned int sy, style_t style, int transparent)
424	{	446	{
425	int i;	447	int i;
426	unsigned int y;	448	unsigned int y;
427	unsigned int glline;	449	unsigned int glline;
Line 438...	Line 460...
438	}	460	}
439	}	461	}
440	}	462	}
441		463
442	/** Invert character at given position */	464	/** Invert character at given position */
-		465	static void
443	static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)	466	invert_char(viewport_t *vport,unsigned int row, unsigned int col)
444	{	467	{
445	unsigned int x;	468	unsigned int x;
446	unsigned int y;	469	unsigned int y;
447		470
448	for (x = 0; x < COL_WIDTH; x++)	471	for (x = 0; x < COL_WIDTH; x++)
Line 457...	Line 480...
457		480
458	/** Create new viewport	481	/** Create new viewport
459	*	482	*
460	* @return New viewport number	483	* @return New viewport number
461	*/	484	*/
-		485	static int
462	static int viewport_create(unsigned int x, unsigned int y,unsigned int width,	486	viewport_create(unsigned int x, unsigned int y,unsigned int width,
463	unsigned int height)	487	unsigned int height)
464	{	488	{
465	int i;	489	int i;
466		490
467	for (i=0; i < MAX_VIEWPORTS; i++) {	491	for (i = 0; i < MAX_VIEWPORTS; i++) {
468	if (!viewports[i].initialized)	492	if (!viewports[i].initialized)
469	break;	493	break;
470	}	494	}
471	if (i == MAX_VIEWPORTS)	495	if (i == MAX_VIEWPORTS)
472	return ELIMIT;	496	return ELIMIT;
Line 489...	Line 513...
489	viewports[i].initialized = 1;	513	viewports[i].initialized = 1;
490		514
491	return i;	515	return i;
492	}	516	}
493		517
494		-
495	/** Initialize framebuffer as a chardev output device	518	/** Initialize framebuffer as a chardev output device
496	*	519	*
497	* @param addr Address of theframebuffer	520	* @param addr Address of theframebuffer
498	* @param xres Screen width in pixels	521	* @param xres Screen width in pixels
499	* @param yres Screen height in pixels	522	* @param yres Screen height in pixels
500	* @param visual Bits per pixel (8, 16, 24, 32)	523	* @param visual Bits per pixel (8, 16, 24, 32)
501	* @param scan Bytes per one scanline	524	* @param scan Bytes per one scanline
502	* @param invert_colors Inverted colors.	525	* @param invert_colors Inverted colors.
503	*	526	*
504	*/	527	*/
-		528	static bool
505	static bool screen_init(void *addr, unsigned int xres, unsigned int yres,	529	screen_init(void *addr, unsigned int xres, unsigned int yres,
506	unsigned int scan, unsigned int visual, bool invert_colors)	530	unsigned int scan, unsigned int visual, bool invert_colors)
507	{	531	{
508	switch (visual) {	532	switch (visual) {
509	case VISUAL_INDIRECT_8:	533	case VISUAL_INDIRECT_8:
510	screen.rgb2scr = rgb_byte8;	534	screen.rgb2scr = rgb_byte8;
Line 556...	Line 580...
556		580
557	return true;	581	return true;
558	}	582	}
559		583
560	/** Hide cursor if it is shown */	584	/** Hide cursor if it is shown */
-		585	static void
561	static void cursor_hide(viewport_t *vport)	586	cursor_hide(viewport_t *vport)
562	{	587	{
563	if (vport->cursor_active && vport->cursor_shown) {	588	if (vport->cursor_active && vport->cursor_shown) {
564	invert_char(vport, vport->cur_row, vport->cur_col);	589	invert_char(vport, vport->cur_row, vport->cur_col);
565	vport->cursor_shown = 0;	590	vport->cursor_shown = 0;
566	}	591	}
567	}	592	}
568		593
569	/** Show cursor if cursor showing is enabled */	594	/** Show cursor if cursor showing is enabled */
-		595	static void
570	static void cursor_print(viewport_t *vport)	596	cursor_print(viewport_t *vport)
571	{	597	{
572	/* Do not check for cursor_shown */	598	/* Do not check for cursor_shown */
573	if (vport->cursor_active) {	599	if (vport->cursor_active) {
574	invert_char(vport, vport->cur_row, vport->cur_col);	600	invert_char(vport, vport->cur_row, vport->cur_col);
575	vport->cursor_shown = 1;	601	vport->cursor_shown = 1;
576	}	602	}
577	}	603	}
578		604
579	/** Invert cursor, if it is enabled */	605	/** Invert cursor, if it is enabled */
-		606	static void
580	static void cursor_blink(viewport_t *vport)	607	cursor_blink(viewport_t *vport)
581	{	608	{
582	if (vport->cursor_shown)	609	if (vport->cursor_shown)
583	cursor_hide(vport);	610	cursor_hide(vport);
584	else	611	else
585	cursor_print(vport);	612	cursor_print(vport);
Line 591...	Line 618...
591	* @param c Character to print	618	* @param c Character to print
592	* @param row Screen position relative to viewport	619	* @param row Screen position relative to viewport
593	* @param col Screen position relative to viewport	620	* @param col Screen position relative to viewport
594	* @param transparent If false, print background color with character	621	* @param transparent If false, print background color with character
595	*/	622	*/
-		623	static void
596	static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int	624	draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
597	col, style_t style, int transparent)	625	style_t style, int transparent)
598	{	626	{
599	/* Optimize - do not hide cursor if we are going to overwrite it */	627	/* Optimize - do not hide cursor if we are going to overwrite it */
600	if (vport->cursor_active && vport->cursor_shown &&	628	if (vport->cursor_active && vport->cursor_shown &&
601	(vport->cur_col != col \|\| vport->cur_row != row))	629	(vport->cur_col != col \|\| vport->cur_row != row))
602	invert_char(vport, vport->cur_row, vport->cur_col);	630	invert_char(vport, vport->cur_row, vport->cur_col);
Line 620...	Line 648...
620	/** Draw text data to viewport	648	/** Draw text data to viewport
621	*	649	*
622	* @param vport Viewport id	650	* @param vport Viewport id
623	* @param data Text data fitting exactly into viewport	651	* @param data Text data fitting exactly into viewport
624	*/	652	*/
-		653	static void
625	static void draw_text_data(viewport_t vport, keyfield_t data)	654	draw_text_data(viewport_t vport, keyfield_t data)
626	{	655	{
627	int i;	656	int i;
628	int col,row;	657	int col,row;
629		658
630	clear_port(vport);	659	clear_port(vport);
Line 639...	Line 668...
639	style_same(data[i].style,vport->style));	668	style_same(data[i].style,vport->style));
640	}	669	}
641	cursor_print(vport);	670	cursor_print(vport);
642	}	671	}
643		672
644		-
645	/** Return first free pixmap */	673	/** Return first free pixmap */
-		674	static int
646	static int find_free_pixmap(void)	675	find_free_pixmap(void)
647	{	676	{
648	int i;	677	int i;
649		678
650	for (i=0;i < MAX_PIXMAPS;i++)	679	for (i = 0;i < MAX_PIXMAPS;i++)
651	if (!pixmaps[i].data)	680	if (!pixmaps[i].data)
652	return i;	681	return i;
653	return -1;	682	return -1;
654	}	683	}
655		684
-		685	static void
656	static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)	686	putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
657	{	687	{
658	pixmap_t *pmap = &pixmaps[pm];	688	pixmap_t *pmap = &pixmaps[pm];
659	int pos = (y * pmap->width + x) * screen.pixelbytes;	689	int pos = (y * pmap->width + x) * screen.pixelbytes;
660		690
661	(*screen.rgb2scr)(&pmap->data[pos],COLOR(color));	691	(*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
662	}	692	}
663		693
664	/** Create a new pixmap and return appropriate ID */	694	/** Create a new pixmap and return appropriate ID */
-		695	static int
665	static int shm2pixmap(unsigned char *shm, size_t size)	696	shm2pixmap(unsigned char *shm, size_t size)
666	{	697	{
667	int pm;	698	int pm;
668	pixmap_t *pmap;	699	pixmap_t *pmap;
669		700
670	pm = find_free_pixmap();	701	pm = find_free_pixmap();
Line 703...	Line 734...
703	* @return 0 if the call was not handled byt this function, 1 otherwise	734	* @return 0 if the call was not handled byt this function, 1 otherwise
704	*	735	*
705	* note: this function is not threads safe, you would have	736	* note: this function is not threads safe, you would have
706	* to redefine static variables with __thread	737	* to redefine static variables with __thread
707	*/	738	*/
-		739	static int
708	static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)	740	shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
709	{	741	{
710	static keyfield_t *interbuffer = NULL;	742	static keyfield_t *interbuffer = NULL;
711	static size_t intersize = 0;	743	static size_t intersize = 0;
712		744
713	static unsigned char *shm = NULL;	745	static unsigned char *shm = NULL;
Line 715...	Line 747...
715	static size_t shm_size;	747	static size_t shm_size;
716		748
717	int handled = 1;	749	int handled = 1;
718	int retval = 0;	750	int retval = 0;
719	viewport_t *vport = &viewports[vp];	751	viewport_t *vport = &viewports[vp];
720	unsigned int x,y;	752	unsigned int x, y;
721		753
722	switch (IPC_GET_METHOD(*call)) {	754	switch (IPC_GET_METHOD(*call)) {
723	case IPC_M_AS_AREA_SEND:	755	case IPC_M_AS_AREA_SEND:
724	/* We accept one area for data interchange */	756	/* We accept one area for data interchange */
725	if (IPC_GET_ARG1(*call) == shm_id) {	757	if (IPC_GET_ARG1(*call) == shm_id) {
Line 772...	Line 804...
772	retval = EINVAL;	804	retval = EINVAL;
773	break;	805	break;
774	}	806	}
775		807
776	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),	808	ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
777	IPC_GET_ARG2(*call), vport->width - x, vport->height -	809	IPC_GET_ARG2(*call), vport->width - x,
778	y, (putpixel_cb_t)putpixel, vport);	810	vport->height - y, (putpixel_cb_t)putpixel, vport);
779	break;	811	break;
780	case FB_DRAW_TEXT_DATA:	812	case FB_DRAW_TEXT_DATA:
781	if (!interbuffer) {	813	if (!interbuffer) {
782	retval = EINVAL;	814	retval = EINVAL;
783	break;	815	break;
Line 796...	Line 828...
796	if (handled)	828	if (handled)
797	ipc_answer_fast(callid, retval, 0, 0);	829	ipc_answer_fast(callid, retval, 0, 0);
798	return handled;	830	return handled;
799	}	831	}
800		832
-		833	static void
801	static void copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)	834	copy_vp_to_pixmap(viewport_t vport, pixmap_t pmap)
802	{	835	{
803	int y;	836	int y;
804	int rowsize;	837	int rowsize;
805	int tmp;	838	int tmp;
806	int width = vport->width;	839	int width = vport->width;
Line 812...	Line 845...
812	height = screen.yres - vport->y;	845	height = screen.yres - vport->y;
813		846
814	rowsize = width * screen.pixelbytes;	847	rowsize = width * screen.pixelbytes;
815		848
816	for (y = 0; y < height; y++) {	849	for (y = 0; y < height; y++) {
817	tmp = (vport->y + y) * screen.scanline + vport->x *	850	tmp = (vport->y + y) * screen.scanline +
818	screen.pixelbytes;	851	vport->x * screen.pixelbytes;
819	memcpy(pmap->data + rowsize * y, screen.fbaddress + tmp,	852	memcpy(pmap->data + rowsize * y, screen.fbaddress + tmp,
820	rowsize);	853	rowsize);
821	}	854	}
822	}	855	}
823		856
824	/** Save viewport to pixmap */	857	/** Save viewport to pixmap */
-		858	static int
825	static int save_vp_to_pixmap(viewport_t *vport)	859	save_vp_to_pixmap(viewport_t *vport)
826	{	860	{
827	int pm;	861	int pm;
828	pixmap_t *pmap;	862	pixmap_t *pmap;
829		863
830	pm = find_free_pixmap();	864	pm = find_free_pixmap();
Line 871...	Line 905...
871	realheight = pmap->height <= height ? pmap->height : height;	905	realheight = pmap->height <= height ? pmap->height : height;
872		906
873	srcrowsize = vport->width * screen.pixelbytes;	907	srcrowsize = vport->width * screen.pixelbytes;
874	realrowsize = realwidth * screen.pixelbytes;	908	realrowsize = realwidth * screen.pixelbytes;
875		909
876	for (y=0; y < realheight; y++) {	910	for (y = 0; y < realheight; y++) {
877	tmp = (vport->y + y) * screen.scanline + vport->x *	911	tmp = (vport->y + y) * screen.scanline +
878	screen.pixelbytes;	912	vport->x * screen.pixelbytes;
879	memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,	913	memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,
880	realrowsize);	914	realrowsize);
881	}	915	}
882	return 0;	916	return 0;
883	}	917	}
884		918
885	/** Tick animation one step forward */	919	/** Tick animation one step forward */
-		920	static void
886	static void anims_tick(void)	921	anims_tick(void)
887	{	922	{
888	int i;	923	int i;
889	static int counts = 0;	924	static int counts = 0;
890		925
891	/* Limit redrawing */	926	/* Limit redrawing */
892	counts = (counts + 1) % 8;	927	counts = (counts + 1) % 8;
893	if (counts)	928	if (counts)
894	return;	929	return;
895		930
896	for (i=0; i < MAX_ANIMATIONS; i++) {	931	for (i = 0; i < MAX_ANIMATIONS; i++) {
897	if (!animations[i].animlen \|\| !animations[i].initialized \|\|	932	if (!animations[i].animlen \|\| !animations[i].initialized \|\|
898	!animations[i].enabled)	933	!animations[i].enabled)
899	continue;	934	continue;

Subversion Repositories HelenOS

(root)/trunk/uspace/fb/fb.c @ 2071 – Rev 2025 → 2070