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serdisplib: add package

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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle
2019-09-21 21:37:03 +02:00
parent b79d82043a
commit bf033c622a
3 changed files with 121 additions and 0 deletions
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libs/serdisplib/patches/002-allow-1bpp-framebuffer.patch
+23
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@@ -0,0 +1,23 @@
Index: serdisplib-2.01/src/serdisp_specific_framebuffer.c
===================================================================
--- serdisplib-2.01.orig/src/serdisp_specific_framebuffer.c
+++ serdisplib-2.01/src/serdisp_specific_framebuffer.c
@@ -306,13 +306,15 @@ serdisp_t* serdisp_framebuffer_setup(con
if (fb_success) {
/* check if colour mode is supported */
- if (! (vinfo.bits_per_pixel == 16 || vinfo.bits_per_pixel == 24 || vinfo.bits_per_pixel == 32) ) {
+ if (! (vinfo.bits_per_pixel == 1 ||vinfo.bits_per_pixel == 16 || vinfo.bits_per_pixel == 24 || vinfo.bits_per_pixel == 32) ) {
sd_error(SERDISP_ERUNTIME, "unsupported colour depth (%d)", vinfo.bits_per_pixel);
fb_success = 0;
}
}
-
- dd->scrbuf_size = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel/8;
+ if (vinfo.bits_per_pixel == 1)
+ dd->scrbuf_size = (vinfo.xres * vinfo.yres) / 8;
+ else
+ dd->scrbuf_size = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel/8;
if (fb_success) {
/* map framebuffer device to memory */