mirror of
git://projects.qi-hardware.com/openwrt-packages.git
synced 2024-11-05 08:45:56 +02:00
51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
Patch to get the fbterm 1.7 display somewhat better the gliphs on the Ben LCD.
|
|
|
|
Author: Lluís Batlle i Rossell
|
|
|
|
diff --git a/src/screen_render.cpp b/src/screen_render.cpp
|
|
index e8f39b8..e0f90e9 100644
|
|
--- a/src/screen_render.cpp
|
|
+++ b/src/screen_render.cpp
|
|
@@ -195,7 +195,40 @@ void Screen::draw##bits(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap) \
|
|
|
|
drawX(15, 5, 5, 5, u16, writew)
|
|
drawX(16, 5, 6, 5, u16, writew)
|
|
-drawX(32, 8, 8, 8, u32, writel)
|
|
+
|
|
+void Screen::draw32(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap)
|
|
+{
|
|
+ /* This code takes into account the Ben Nanonote LCD, that has the distribution:
|
|
+ * 0: RR GG BB RR GG BB
|
|
+ * 1: GG BB RR GG BB RR
|
|
+ * 2: RR GG BB RR GG BB
|
|
+ * 3: ...
|
|
+ *
|
|
+ * We display the odd rows as 50% green in the current pixel, 50% in the next */
|
|
+ u8 red, green, blue;
|
|
+ u8 pixel;
|
|
+ u32 color;
|
|
+ u32 *dst = (u32 *)(mVMemBase + y * mBytesPerLine + x * bytes_per_pixel);
|
|
+ /* To work with white background, we ensure to paint the first pixel */
|
|
+ u8 prevgreen = mPalette[bc].green/2;
|
|
+
|
|
+ for (; w--; pixmap++, dst++) {
|
|
+ u8 newgreen;
|
|
+ pixel = *pixmap;
|
|
+
|
|
+ red = mPalette[bc].red + (((mPalette[fc].red - mPalette[bc].red) * pixel) >> 8);
|
|
+ newgreen = mPalette[bc].green + (((mPalette[fc].green - mPalette[bc].green) * pixel) >> 8);
|
|
+ blue = mPalette[bc].blue + (((mPalette[fc].blue - mPalette[bc].blue) * pixel) >> 8);
|
|
+
|
|
+ /* width == 0 is the special case for the last byte, where we paint full green.
|
|
+ * That's relevant for white background, like when running 'top'. */
|
|
+ green = ((y & 1) == 0 || w == 0) ? newgreen : (newgreen/2 + prevgreen);
|
|
+ color = (red << 16) | (green << 8) | (blue);
|
|
+ writel(dst, color);
|
|
+ prevgreen = newgreen/2;
|
|
+ }
|
|
+}
|
|
+
|
|
|
|
#define drawXBg(bits, lred, lgreen, lblue, type, fbwrite) \
|
|
\
|