On Sun, Jan 31, 2016 at 2:37 AM, Dave Airlie <airl...@gmail.com> wrote:
>> + for (i = 0; i < program->shader->NumImages; i++) {
>> + if (program->images_used & (1 << i)) {
>> + t->images[i] = ureg_DECL_image(ureg, i,
>> + program->image_targets[i],
>> + program->image_formats[i],
>> + true, false);
>
> Can we not know if the image is writable from the GL level?
Yes, we can. But do we care? It was there already so I kept the flag,
but I'd be fully in favor of removing it...
layout(writeonly) in GLSL lets you not specify a format, which would
come through as PIPE_FORMAT_NONE in here. But beyond validation, I
don't see what the use is. Something like layout(readonly) just causes
imageStore() to error out...
Cheers,
-ilia
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