Geert Uytterhoeven writes:
Hello Geert,
[...]
>> + if (!dst_pitch) {
>> + bpp = drm_format_info_bpp(dst_fi, 0);
>> + dst_pitch = DIV_ROUND_UP(drm_rect_width(clip) * bpp, 8);
>
> I know I'm a bit late to the party, but here's actually a helper for that:
>
>
Hi Javier,
On Tue, Mar 7, 2023 at 10:54 PM Javier Martinez Canillas
wrote:
> There are DRM fourcc formats that have pixels smaller than a byte, but the
> conversion_buf_size() function assumes that pixels are a multiple of bytes
> and use the struct drm_format_info .cpp field to calculate the
Javier Martinez Canillas writes:
> There are DRM fourcc formats that have pixels smaller than a byte, but the
> conversion_buf_size() function assumes that pixels are a multiple of bytes
> and use the struct drm_format_info .cpp field to calculate the dst_pitch.
>
> Instead, calculate it by
On 3/7/23 18:50, Javier Martinez Canillas wrote:
There are DRM fourcc formats that have pixels smaller than a byte, but the
conversion_buf_size() function assumes that pixels are a multiple of bytes
and use the struct drm_format_info .cpp field to calculate the dst_pitch.
Instead, calculate it
Hi,
On 07/03/23 18:50, Javier Martinez Canillas wrote:
> There are DRM fourcc formats that have pixels smaller than a byte, but the
> conversion_buf_size() function assumes that pixels are a multiple of bytes
> and use the struct drm_format_info .cpp field to calculate the dst_pitch.
>
>
There are DRM fourcc formats that have pixels smaller than a byte, but the
conversion_buf_size() function assumes that pixels are a multiple of bytes
and use the struct drm_format_info .cpp field to calculate the dst_pitch.
Instead, calculate it by using the bits per pixel (bpp) and divide it by
