Pushed.

On Thu, Nov 15, 2018 at 8:15 PM Jason Ekstrand <ja...@jlekstrand.net> wrote:

> Thanks.  I'm going to push it once it gets done running through CI.
>
> On Thu, Nov 15, 2018 at 4:03 AM Danylo Piliaiev <danylo.pilia...@gmail.com>
> wrote:
>
>> Handle all cases in calculation of layers count for isl_view
>> taking into account texture view and image unit.
>> st_convert_image was taken as a reference.
>>
>> When u->Layered is true the whole level is taken with respect to
>> image view. In other case only one layer is taken.
>>
>> v3: (Józef Kucia and Ilia Mirkin)
>>     - Rewrote patch by taking st_convert_image as a reference
>>     - Removed now unused get_image_num_layers function
>>     - Changed commit message
>>
>> v4: (Jason Ekstrand)
>>     - Added assert
>>
>> Fixes: 5a8c8903
>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107856
>>
>> Signed-off-by: Danylo Piliaiev <danylo.pilia...@globallogic.com>
>> Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
>> ---
>>  .../drivers/dri/i965/brw_wm_surface_state.c   | 33 ++++++++++---------
>>  1 file changed, 18 insertions(+), 15 deletions(-)
>>
>> diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>> b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>> index 8d21cf5fa7..3286c222e5 100644
>> --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>> +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>> @@ -1499,18 +1499,6 @@ update_buffer_image_param(struct brw_context *brw,
>>     param->stride[0] = _mesa_get_format_bytes(u->_ActualFormat);
>>  }
>>
>> -static unsigned
>> -get_image_num_layers(const struct intel_mipmap_tree *mt, GLenum target,
>> -                     unsigned level)
>> -{
>> -   if (target == GL_TEXTURE_CUBE_MAP)
>> -      return 6;
>> -
>> -   return target == GL_TEXTURE_3D ?
>> -      minify(mt->surf.logical_level0_px.depth, level) :
>> -      mt->surf.logical_level0_px.array_len;
>> -}
>> -
>>  static void
>>  update_image_surface(struct brw_context *brw,
>>                       struct gl_image_unit *u,
>> @@ -1541,14 +1529,29 @@ update_image_surface(struct brw_context *brw,
>>        } else {
>>           struct intel_texture_object *intel_obj =
>> intel_texture_object(obj);
>>           struct intel_mipmap_tree *mt = intel_obj->mt;
>> -         const unsigned num_layers = u->Layered ?
>> -            get_image_num_layers(mt, obj->Target, u->Level) : 1;
>> +
>> +         unsigned base_layer, num_layers;
>> +         if (u->Layered) {
>> +            if (obj->Target == GL_TEXTURE_3D) {
>> +               base_layer = 0;
>> +               num_layers = minify(mt->surf.logical_level0_px.depth,
>> u->Level);
>> +            } else {
>> +               assert(obj->Immutable || obj->MinLayer == 0);
>> +               base_layer = obj->MinLayer;
>> +               num_layers = obj->Immutable ?
>> +                                obj->NumLayers :
>> +                                mt->surf.logical_level0_px.array_len;
>> +            }
>> +         } else {
>> +            base_layer = obj->MinLayer + u->_Layer;
>> +            num_layers = 1;
>> +         }
>>
>>           struct isl_view view = {
>>              .format = format,
>>              .base_level = obj->MinLevel + u->Level,
>>              .levels = 1,
>> -            .base_array_layer = obj->MinLayer + u->_Layer,
>> +            .base_array_layer = base_layer,
>>              .array_len = num_layers,
>>              .swizzle = ISL_SWIZZLE_IDENTITY,
>>              .usage = ISL_SURF_USAGE_STORAGE_BIT,
>> --
>> 2.18.0
>>
>>
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