On Tue, Oct 27, 2015 at 4:26 AM, Ilia Mirkin <imir...@alum.mit.edu> wrote:
>> +
>> +static void
>> +copy_image(struct pipe_context *pipe,
>> + struct pipe_resource *dst,
>> + unsigned dst_level,
>> + unsigned dstx, unsigned dsty, unsigned dstz,
>> + struct pipe_resource *src,
>> + unsigned src_level,
>> + const struct pipe_box *src_box)
>> +{
>> + if (src->format == dst->format ||
>> + util_format_is_compressed(src->format) ||
>> + util_format_is_compressed(dst->format)) {
>
> If only :(
>
> Situation: src internal format = GL_RGBA, dst internal format =
> GL_BGRA, but both resources end up with PIPE_FORMAT_RGBA8.
>
> You end up not flipping the channels here. All of these decisions must
> be done based on the GL format, not the PIPE format...
I don't understand. The GL format doesn't specify component ordering,
only the pipe format does.
Marek
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