[Freedreno] [Mesa-dev] [RFC 1/4] nir: Add a new intrinsic 'load_image_stride'

[Eduardo Lima Mitev]

On 1/25/19 6:42 PM, Eric Anholt wrote:
> Eduardo Lima Mitev <elima at igalia.com> writes:
> 
>> This is an internal intrinsic intended to be injected by a
>> (freedreno-specific) 'lower_sampler_io' pass that will be introduced
>> later in this series; and consumed by ir3_compiler_nir.
>>
>> The intrinsic will load in SSA values for various constants
>> for images (image_dims), namely the format's bytes-per-pixel,
>> y-stride and z-stride; for which the backend compiler will emit
>> the corresponding uniforms.
>>
>> const_index[0] is the image index, and const_index[1] is the index
>> into image_dims' register file for a given image: 0 for bpp, 1 to
>> y-stride and 2 for z-stride.
> 
> Can you move this documentation of the meaning of the intrinsic into a
> comment in the file?
> 

Yes, will do that.
Thanks!