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[PATCH 09/12] macfb: fix up 1-bit pixel encoding
From: |
Mark Cave-Ayland |
Subject: |
[PATCH 09/12] macfb: fix up 1-bit pixel encoding |
Date: |
Sat, 2 Oct 2021 12:00:04 +0100 |
The MacOS driver expects the RGB values for the pixel to be in entries 0 and 1
of the colour palette.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
hw/display/macfb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/display/macfb.c b/hw/display/macfb.c
index 6a69334565..0c9e181b9b 100644
--- a/hw/display/macfb.c
+++ b/hw/display/macfb.c
@@ -128,7 +128,9 @@ static void macfb_draw_line1(MacfbState *s, uint8_t *d,
uint32_t addr,
for (x = 0; x < width; x++) {
int bit = x & 7;
int idx = (macfb_read_byte(s, addr) >> (7 - bit)) & 1;
- r = g = b = ((1 - idx) << 7);
+ r = s->color_palette[idx * 3];
+ g = s->color_palette[idx * 3 + 1];
+ b = s->color_palette[idx * 3 + 2];
addr += (bit == 7);
*(uint32_t *)d = rgb_to_pixel32(r, g, b);
--
2.20.1
- [PATCH 06/12] macfb: implement mode sense to allow display type to be detected, (continued)
- [PATCH 05/12] macfb: add trace events for reading and writing the control registers, Mark Cave-Ayland, 2021/10/02
- [PATCH 12/12] q800: wire macfb IRQ to separate video interrupt on VIA2, Mark Cave-Ayland, 2021/10/02
- [PATCH 09/12] macfb: fix up 1-bit pixel encoding,
Mark Cave-Ayland <=
- [PATCH 11/12] macfb: add vertical blank interrupt, Mark Cave-Ayland, 2021/10/02
- [PATCH 10/12] macfb: fix 24-bit RGB pixel encoding, Mark Cave-Ayland, 2021/10/02