diff mbox series

[v2,02/32] video: Support truetype fonts on a 32-bit display

Message ID 20200203073614.v2.2.I25364ae19a2d5679c51aa1cdeebea29d805fbe68@changeid
State Superseded
Headers show
Series sandbox: Move to SDL2 | expand

Commit Message

Simon Glass Feb. 3, 2020, 2:35 p.m. UTC 
At present only a 16bpp display is supported for Truetype fonts. Add
support for 32bpp also since this is quite common.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Anatolij Gustschin <agust at denx.de>
---

Changes in v2: None

 drivers/video/console_truetype.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
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Patch

diff --git a/drivers/video/console_truetype.c b/drivers/video/console_truetype.c
index 30086600fb..0a725c5c15 100644
--- a/drivers/video/console_truetype.c
+++ b/drivers/video/console_truetype.c
@@ -286,6 +286,27 @@  static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y,
 			}
 			break;
 		}
+#endif
+#ifdef CONFIG_VIDEO_BPP32
+		case VIDEO_BPP32: {
+			u32 *dst = (u32 *)line + xoff;
+			int i;
+
+			for (i = 0; i < width; i++) {
+				int val = *bits;
+				int out;
+
+				if (vid_priv->colour_bg)
+					val = 255 - val;
+				out = val | val << 8 | val << 16;
+				if (vid_priv->colour_fg)
+					*dst++ |= out;
+				else
+					*dst++ &= out;
+				bits++;
+			}
+			break;
+		}
 #endif
 		default:
 			free(data);