diff options
| author | Ye Li <ye.li@nxp.com> | 2020-06-10 02:52:23 -0700 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2020-06-28 00:18:37 +0200 |
| commit | bab68b2d889e7d3783c4f31b67025b086b7278c3 (patch) | |
| tree | 18cb6803caed85153b346e8251b2ea4635bb79ad /drivers | |
| parent | eae62ae8de1893f7cf08e276ab841d3f99245603 (diff) | |
video: bmp: support 8bits BMP drawing on 24/32 bpp framebuffer
Update video bmp code so that we can display 8 bits logo on
24 or 32 bpp framebuffer.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # bpi-m1+, bpi-m64
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/video_bmp.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/video/video_bmp.c b/drivers/video/video_bmp.c index eb9636541d..7d7f37b445 100644 --- a/drivers/video/video_bmp.c +++ b/drivers/video/video_bmp.c @@ -233,6 +233,8 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y, */ if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16) && + !(bmp_bpix == 8 && bpix == 24) && + !(bmp_bpix == 8 && bpix == 32) && !(bmp_bpix == 24 && bpix == 16) && !(bmp_bpix == 24 && bpix == 32)) { printf("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", @@ -265,6 +267,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y, switch (bmp_bpix) { case 1: case 8: { + struct bmp_color_table_entry *cte; cmap_base = priv->cmap; #ifdef CONFIG_VIDEO_BMP_RLE8 u32 compression = get_unaligned_le32(&bmp->header.compression); @@ -280,21 +283,33 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y, break; } #endif - - if (bpix != 16) + byte_width = width * (bpix / 8); + if (!byte_width) byte_width = width; - else - byte_width = width * 2; for (i = 0; i < height; ++i) { WATCHDOG_RESET(); for (j = 0; j < width; j++) { - if (bpix != 16) { + if (bpix == 8) { fb_put_byte(&fb, &bmap); - } else { + } else if (bpix == 16) { *(uint16_t *)fb = cmap_base[*bmap]; bmap++; fb += sizeof(uint16_t) / sizeof(*fb); + } else { + /* Only support big endian */ + cte = &palette[*bmap]; + bmap++; + if (bpix == 24) { + *(fb++) = cte->red; + *(fb++) = cte->green; + *(fb++) = cte->blue; + } else { + *(fb++) = cte->blue; + *(fb++) = cte->green; + *(fb++) = cte->red; + *(fb++) = 0; + } } } bmap += (padded_width - width); |