On 2 August 2015 at 11:37, Oded Gabbay <oded.gab...@gmail.com> wrote:
> This patch fixes a bug in big-endian handling, where the previous
> swizzle info wasn't cleared before a new swizzle info was inserted into
> the format field using a bitwise-OR operation.
>
> Signed-off-by: Oded Gabbay <oded.gab...@gmail.com>
> CC: "10.5 10.6" <mesa-sta...@lists.freedesktop.org>
> ---
> src/mesa/main/formats.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
> index 7e451ca..eacd8b7 100644
> --- a/src/mesa/main/formats.h
> +++ b/src/mesa/main/formats.h
> @@ -191,6 +191,9 @@ static inline void
> _mesa_array_format_set_swizzle(mesa_array_format *f,
> int32_t x, int32_t y, int32_t z, int32_t w)
> {
> + /* clear old swizzle info */
> + *f &= ~((0x7 << 8) | (0x7 << 11) | (0x7 << 14) | (0x7 << 17));
> +
Can you use MESA_ARRAY_FORMAT_SWIZZLE_*_MASK here ? It should improve
the readability thus making the comment obsolete.
Cheers,
Emil
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