[Mesa-dev] [PATCH 6/7] st/mesa: convert GLSL image intrinsics into TGSI

[Dave Airlie]

> +   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?

at least I think deserves a comment on why gallium has this
but GL doesn't if we can't.

Dave.