On Wed, Jun 14, 2017 at 3:06 PM, Nanley Chery <nanleych...@gmail.com> wrote:
> On Wed, Jun 14, 2017 at 09:32:22AM +0200, Iago Toral wrote:
> > On Tue, 2017-06-13 at 11:41 -0700, Nanley Chery wrote:
> > > For 3D image subresources undergoing a layout transition via
> > > PipelineBarrier, we increase the number of fast-cleared layers to
> > > match
> > > the intended behaviour of KHR_maintenance1. When such subresources
> > > undergo layout transitions between subpasses, we don't do this to
> > > avoid
> > > failing incorrect CTS tests. Instead, unify the behaviour in both
> > > scenarios, and wait for the CTS tests to catch up. See CL 1111 for
> > > the
> > > test fix.
> > >
> > > On SKL+, this causes 3 test failures under:
> > > dEQP-VK.pipeline.render_to_image.3d.*
> > >
> > > Signed-off-by: Nanley Chery <nanley.g.ch...@intel.com>
> > > ---
> > > src/intel/vulkan/anv_blorp.c | 8 ++++----
> > > 1 file changed, 4 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/src/intel/vulkan/anv_blorp.c
> > > b/src/intel/vulkan/anv_blorp.c
> > > index 421f860428..ff3d7b126f 100644
> > > --- a/src/intel/vulkan/anv_blorp.c
> > > +++ b/src/intel/vulkan/anv_blorp.c
> > > @@ -1478,12 +1478,12 @@ anv_image_ccs_clear(struct anv_cmd_buffer
> > > *cmd_buffer,
> > >
> > > /* Blorp likes to treat 2D_ARRAY and 3D the same. */
> > > uint32_t blorp_base_layer, blorp_layer_count;
> > > - if (view) {
> > > - blorp_base_layer = view->base_array_layer;
> > > - blorp_layer_count = view->array_len;
> > > - } else if (image->type == VK_IMAGE_TYPE_3D) {
> >
> > Maybe add a comment referencing the requirement from
> > VK_KHR_maintenance1 so it is clear why we ignore the view for 3D images
> > here?
> >
>
> Thank you for suggesting I add a comment. I actually meant to
> double-check this before sending it out, but forgot. In the process of
> writing the comment, I discovered that the desired behaviour for this
> part of the extension is still being determined (Vulkan issue #849).
>
Issue #849 was resolved today. This patch is correct.
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
--Jason
> > > + if (image->type == VK_IMAGE_TYPE_3D) {
> > > blorp_base_layer = 0;
> > > blorp_layer_count = extent.depth;
> > > + } else if (view) {
> > > + blorp_base_layer = view->base_array_layer;
> > > + blorp_layer_count = view->array_len;
> > > } else {
> > > blorp_base_layer = subresourceRange->baseArrayLayer;
> > > blorp_layer_count = anv_get_layerCount(image,
> > > subresourceRange);
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