On 25.09.24 16:34, Sascha Hauer wrote:
> When we have a background image we want the background to actually shine
> through, so set the alpha value of the background to transparent and not
> opaque.
>
> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
Reviewed-by: Ahmad Fatoum <a.fat...@pengutronix.de>
I wonder if this could cause a slow down for framebuffers with no alpha channel,
because it will read the framebuffer on every pixel write for alpha blending
purposes, even if ultimately unnecessary?
> ---
> drivers/video/fbconsole.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbconsole.c b/drivers/video/fbconsole.c
> index cec1afec56..d3615bc07f 100644
> --- a/drivers/video/fbconsole.c
> +++ b/drivers/video/fbconsole.c
> @@ -139,7 +139,7 @@ static void drawchar(struct fbc_priv *priv, int x, int y,
> int c)
> color = gu_rgb_to_pixel(priv->fb, rgb->r, rgb->g, rgb->b, 0xff);
>
> rgb = &colors[bgcolor];
> - bgcolor = gu_rgb_to_pixel(priv->fb, rgb->r, rgb->g, rgb->b, 0xff);
> + bgcolor = gu_rgb_to_pixel(priv->fb, rgb->r, rgb->g, rgb->b, 0x0);
>
> for (i = 0; i < priv->font->height; i++) {
> uint8_t mask = 0x80;
>
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