diff options
| -rw-r--r-- | README | 4 | ||||
| -rw-r--r-- | common/lcd.c | 142 |
2 files changed, 0 insertions, 146 deletions
@@ -1044,10 +1044,6 @@ The following options need to be configured: If CONFIG_LCD_ROTATION is not defined, the console will be initialized with 0degree rotation. - CONFIG_LCD_BMP_RLE8 - - Support drawing of RLE8-compressed bitmaps on the LCD. - - MII/PHY support: CONFIG_PHY_CLOCK_FREQ (ppc4xx) diff --git a/common/lcd.c b/common/lcd.c index bd2f020..0898bc0 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -347,135 +347,6 @@ static void splash_align_axis(int *axis, unsigned long panel_size, } #endif -#ifdef CONFIG_LCD_BMP_RLE8 -#define BMP_RLE8_ESCAPE 0 -#define BMP_RLE8_EOL 0 -#define BMP_RLE8_EOBMP 1 -#define BMP_RLE8_DELTA 2 - -static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, - int cnt) -{ - while (cnt > 0) { - *(*fbp)++ = cmap[*bmap++]; - cnt--; - } -} - -static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) -{ - ushort *fb = *fbp; - int cnt_8copy = cnt >> 3; - - cnt -= cnt_8copy << 3; - while (cnt_8copy > 0) { - *fb++ = c; - *fb++ = c; - *fb++ = c; - *fb++ = c; - *fb++ = c; - *fb++ = c; - *fb++ = c; - *fb++ = c; - cnt_8copy--; - } - while (cnt > 0) { - *fb++ = c; - cnt--; - } - *fbp = fb; -} - -/* - * Do not call this function directly, must be called from lcd_display_bitmap. - */ -static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, - uchar *fb, int x_off, int y_off) -{ - uchar *bmap; - ulong width, height; - ulong cnt, runlen; - int x, y; - int decode = 1; - - width = get_unaligned_le32(&bmp->header.width); - height = get_unaligned_le32(&bmp->header.height); - bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); - - x = 0; - y = height - 1; - - while (decode) { - if (bmap[0] == BMP_RLE8_ESCAPE) { - switch (bmap[1]) { - case BMP_RLE8_EOL: - /* end of line */ - bmap += 2; - x = 0; - y--; - /* 16bpix, 2-byte per pixel, width should *2 */ - fb -= (width * 2 + lcd_line_length); - break; - case BMP_RLE8_EOBMP: - /* end of bitmap */ - decode = 0; - break; - case BMP_RLE8_DELTA: - /* delta run */ - x += bmap[2]; - y -= bmap[3]; - /* 16bpix, 2-byte per pixel, x should *2 */ - fb = (uchar *) (lcd_base + (y + y_off - 1) - * lcd_line_length + (x + x_off) * 2); - bmap += 4; - break; - default: - /* unencoded run */ - runlen = bmap[1]; - bmap += 2; - if (y < height) { - if (x < width) { - if (x + runlen > width) - cnt = width - x; - else - cnt = runlen; - draw_unencoded_bitmap( - (ushort **)&fb, - bmap, cmap, cnt); - } - x += runlen; - } - bmap += runlen; - if (runlen & 1) - bmap++; - } - } else { - /* encoded run */ - if (y < height) { - runlen = bmap[0]; - if (x < width) { - /* aggregate the same code */ - while (bmap[0] == 0xff && - bmap[2] != BMP_RLE8_ESCAPE && - bmap[1] == bmap[3]) { - runlen += bmap[2]; - bmap += 2; - } - if (x + runlen > width) - cnt = width - x; - else - cnt = runlen; - draw_encoded_bitmap((ushort **)&fb, - cmap[bmap[1]], cnt); - } - x += runlen; - } - bmap += 2; - } - } -} -#endif - __weak void fb_put_byte(uchar **fb, uchar **from) { *(*fb)++ = *(*from)++; @@ -581,19 +452,6 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) case 1: case 8: { cmap_base = configuration_get_cmap(); -#ifdef CONFIG_LCD_BMP_RLE8 - u32 compression = get_unaligned_le32(&bmp->header.compression); - debug("compressed %d %d\n", compression, BMP_BI_RLE8); - if (compression == BMP_BI_RLE8) { - if (bpix != 16) { - /* TODO implement render code for bpix != 16 */ - printf("Error: only support 16 bpix"); - return 1; - } - lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); - break; - } -#endif if (bpix != 16) byte_width = width; |