#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined
#endif
void console_cursor (int state);
-#define CURSOR_ON console_cursor(1);
-#define CURSOR_OFF console_cursor(0);
+#define CURSOR_ON console_cursor(1)
+#define CURSOR_OFF console_cursor(0)
#define CURSOR_SET
#ifndef CONFIG_I8042_KBD
#warning Cursor drawing on/off needs timer function s.a. drivers/input/i8042.c
#endif
#define CURSOR_ON
#define CURSOR_OFF video_putchar(console_col * VIDEO_FONT_WIDTH,\
- console_row * VIDEO_FONT_HEIGHT, ' ');
-#define CURSOR_SET video_set_cursor();
+ console_row * VIDEO_FONT_HEIGHT, ' ')
+#define CURSOR_SET video_set_cursor()
#endif /* CONFIG_VIDEO_SW_CURSOR */
#define CURSOR_ON
#define CURSOR_OFF
#define CURSOR_SET video_set_hw_cursor(console_col * VIDEO_FONT_WIDTH, \
- (console_row * VIDEO_FONT_HEIGHT) + video_logo_height);
+ (console_row * VIDEO_FONT_HEIGHT) + video_logo_height)
#endif /* CONFIG_VIDEO_HW_CURSOR */
#ifdef CONFIG_VIDEO_LOGO
static void console_back (void)
{
- CURSOR_OFF console_col--;
+ CURSOR_OFF;
+ console_col--;
if (console_col < 0) {
console_col = CONSOLE_COLS - 1;
is >= CONSOLE_COLS
*/
if (console_col < CONSOLE_COLS)
- CURSOR_OFF
+ CURSOR_OFF;
console_row++;
console_col = 0;
static void console_cr (void)
{
- CURSOR_OFF console_col = 0;
+ CURSOR_OFF;
+ console_col = 0;
}
/*****************************************************************************/
break;
case 9: /* tab 8 */
- CURSOR_OFF console_col |= 0x0008;
+ CURSOR_OFF;
+ console_col |= 0x0008;
console_col &= ~0x0007;
if (console_col >= CONSOLE_COLS)
nl = 0;
}
}
-CURSOR_SET}
+ CURSOR_SET;
+}
/*****************************************************************************/
/*****************************************************************************/
+/*
+ * Do not enforce drivers (or board code) to provide empty
+ * video_set_lut() if they do not support 8 bpp format.
+ * Implement weak default function instead.
+ */
+void __video_set_lut (unsigned int index, unsigned char r,
+ unsigned char g, unsigned char b)
+{
+}
+void video_set_lut (unsigned int, unsigned char, unsigned char, unsigned char)
+ __attribute__((weak, alias("__video_set_lut")));
+
#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
#define FILL_8BIT_332RGB(r,g,b) { \
}
#endif
+/*
+ * RLE8 bitmap support
+ */
+
+#ifdef CONFIG_VIDEO_BMP_RLE8
+/* Pre-calculated color table entry */
+struct palette {
+ union {
+ unsigned short w; /* word */
+ unsigned int dw; /* double word */
+ } ce; /* color entry */
+};
+
+/*
+ * Helper to draw encoded/unencoded run.
+ */
+static void draw_bitmap (uchar **fb, uchar *bm, struct palette *p,
+ int cnt, int enc)
+{
+ ulong addr = (ulong)*fb;
+ int *off;
+ int enc_off = 1;
+ int i;
+
+ /*
+ * Setup offset of the color index in the bitmap.
+ * Color index of encoded run is at offset 1.
+ */
+ off = enc ? &enc_off : &i;
+
+ switch (VIDEO_DATA_FORMAT) {
+ case GDF__8BIT_INDEX:
+ for (i = 0; i < cnt; i++)
+ *(unsigned char *)addr++ = bm[*off];
+ break;
+ case GDF_15BIT_555RGB:
+ case GDF_16BIT_565RGB:
+ /* differences handled while pre-calculating palette */
+ for (i = 0; i < cnt; i++) {
+ *(unsigned short *)addr = p[bm[*off]].ce.w;
+ addr += 2;
+ }
+ break;
+ case GDF_32BIT_X888RGB:
+ for (i = 0; i < cnt; i++) {
+ *(unsigned long *)addr = p[bm[*off]].ce.dw;
+ addr += 4;
+ }
+ break;
+ }
+ *fb = (uchar *)addr; /* return modified address */
+}
+
+static int display_rle8_bitmap (bmp_image_t *img, int xoff, int yoff,
+ int width, int height)
+{
+ unsigned char *bm;
+ unsigned char *fbp;
+ unsigned int cnt, runlen;
+ int decode = 1;
+ int x, y, bpp, i, ncolors;
+ struct palette p[256];
+ bmp_color_table_entry_t cte;
+ int green_shift, red_off;
+
+ x = 0;
+ y = __le32_to_cpu(img->header.height) - 1;
+ ncolors = __le32_to_cpu(img->header.colors_used);
+ bpp = VIDEO_PIXEL_SIZE;
+ fbp = (unsigned char *)((unsigned int)video_fb_address +
+ (((y + yoff) * VIDEO_COLS) + xoff) * bpp);
+
+ bm = (uchar *)img + __le32_to_cpu(img->header.data_offset);
+
+ /* pre-calculate and setup palette */
+ switch (VIDEO_DATA_FORMAT) {
+ case GDF__8BIT_INDEX:
+ for (i = 0; i < ncolors; i++) {
+ cte = img->color_table[i];
+ video_set_lut (i, cte.red, cte.green, cte.blue);
+ }
+ break;
+ case GDF_15BIT_555RGB:
+ case GDF_16BIT_565RGB:
+ if (VIDEO_DATA_FORMAT == GDF_15BIT_555RGB) {
+ green_shift = 3;
+ red_off = 10;
+ } else {
+ green_shift = 2;
+ red_off = 11;
+ }
+ for (i = 0; i < ncolors; i++) {
+ cte = img->color_table[i];
+ p[i].ce.w = SWAP16((unsigned short)
+ (((cte.red >> 3) << red_off) |
+ ((cte.green >> green_shift) << 5) |
+ cte.blue >> 3));
+ }
+ break;
+ case GDF_32BIT_X888RGB:
+ for (i = 0; i < ncolors; i++) {
+ cte = img->color_table[i];
+ p[i].ce.dw = SWAP32((cte.red << 16) | (cte.green << 8) |
+ cte.blue);
+ }
+ break;
+ default:
+ printf("RLE Bitmap unsupported in video mode 0x%x\n",
+ VIDEO_DATA_FORMAT);
+ return -1;
+ }
+
+ while (decode) {
+ switch (bm[0]) {
+ case 0:
+ switch (bm[1]) {
+ case 0:
+ /* scan line end marker */
+ bm += 2;
+ x = 0;
+ y--;
+ fbp = (unsigned char *)
+ ((unsigned int)video_fb_address +
+ (((y + yoff) * VIDEO_COLS) +
+ xoff) * bpp);
+ continue;
+ case 1:
+ /* end of bitmap data marker */
+ decode = 0;
+ break;
+ case 2:
+ /* run offset marker */
+ x += bm[2];
+ y -= bm[3];
+ fbp = (unsigned char *)
+ ((unsigned int)video_fb_address +
+ (((y + yoff) * VIDEO_COLS) +
+ x + xoff) * bpp);
+ bm += 4;
+ break;
+ default:
+ /* unencoded run */
+ cnt = bm[1];
+ runlen = cnt;
+ bm += 2;
+ if (y < height) {
+ if (x >= width) {
+ x += runlen;
+ goto next_run;
+ }
+ if (x + runlen > width)
+ cnt = width - x;
+
+ draw_bitmap (&fbp, bm, p, cnt, 0);
+ x += runlen;
+ }
+next_run:
+ bm += runlen;
+ if (runlen & 1)
+ bm++; /* 0 padding if length is odd */
+ }
+ break;
+ default:
+ /* encoded run */
+ if (y < height) { /* only draw into visible area */
+ cnt = bm[0];
+ runlen = cnt;
+ if (x >= width) {
+ x += runlen;
+ bm += 2;
+ continue;
+ }
+ if (x + runlen > width)
+ cnt = width - x;
+
+ draw_bitmap (&fbp, bm, p, cnt, 1);
+ x += runlen;
+ }
+ bm += 2;
+ break;
+ }
+ }
+ return 0;
+}
+#endif
+
/*
* Display the BMP file located at address bmp_image.
- * Only uncompressed
*/
int video_display_bitmap (ulong bmp_image, int x, int y)
{
debug ("Display-bmp: %d x %d with %d colors\n",
width, height, colors);
- if (compression != BMP_BI_RGB) {
+ if (compression != BMP_BI_RGB
+#ifdef CONFIG_VIDEO_BMP_RLE8
+ && compression != BMP_BI_RLE8
+#endif
+ ) {
printf ("Error: compression type %ld not supported\n",
compression);
#ifdef CONFIG_VIDEO_BMP_GZIP
((y + height - 1) * VIDEO_COLS * VIDEO_PIXEL_SIZE) +
x * VIDEO_PIXEL_SIZE);
- /* We handle only 8bpp or 24 bpp bitmap */
+#ifdef CONFIG_VIDEO_BMP_RLE8
+ if (compression == BMP_BI_RLE8) {
+ return display_rle8_bitmap(bmp,
+ x, y, width, height);
+ }
+#endif
+
+ /* We handle only 4, 8, or 24 bpp bitmaps */
switch (le16_to_cpu (bmp->header.bit_count)) {
+ case 4:
+ padded_line -= width / 2;
+ ycount = height;
+
+ switch (VIDEO_DATA_FORMAT) {
+ case GDF_32BIT_X888RGB:
+ while (ycount--) {
+ WATCHDOG_RESET ();
+ /*
+ * Don't assume that 'width' is an
+ * even number
+ */
+ for (xcount = 0; xcount < width; xcount++) {
+ uchar idx;
+
+ if (xcount & 1) {
+ idx = *bmap & 0xF;
+ bmap++;
+ } else
+ idx = *bmap >> 4;
+ cte = bmp->color_table[idx];
+ FILL_32BIT_X888RGB(cte.red, cte.green,
+ cte.blue);
+ }
+ bmap += padded_line;
+ fb -= (VIDEO_VISIBLE_COLS + width) *
+ VIDEO_PIXEL_SIZE;
+ }
+ break;
+ default:
+ puts("4bpp bitmap unsupported with current "
+ "video mode\n");
+ break;
+ }
+ break;
+
case 8:
padded_line -= width;
if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
- /* Copy colormap */
+ /* Copy colormap */
for (xcount = 0; xcount < colors; ++xcount) {
cte = bmp->color_table[xcount];
video_set_lut (xcount, cte.red, cte.green, cte.blue);
#ifdef CONFIG_VIDEO_BMP_LOGO
source = bmp_logo_bitmap;
- /* Allocate temporary space for computing colormap */
+ /* Allocate temporary space for computing colormap */
logo_red = malloc (BMP_LOGO_COLORS);
logo_green = malloc (BMP_LOGO_COLORS);
logo_blue = malloc (BMP_LOGO_COLORS);
- /* Compute color map */
+ /* Compute color map */
for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
logo_red[i] = (bmp_logo_palette[i] & 0x0f00) >> 4;
logo_green[i] = (bmp_logo_palette[i] & 0x00f0);