On 4/15/19 10:55 AM, Timothy Arceri wrote:
On 15/4/19 5:53 pm, Samuel Pitoiset wrote:
Shouldn't we also apply that fix in gather_varying_component_info() ?


No because we don't enter that code path for arrays because we don't try to pack arrays into other slots/components. But we do pack scalar components with "unmovable" arrays when there is space. Hopefully that makes sense.

That makes sense.

Reviewed-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>


On 4/15/19 7:00 AM, Timothy Arceri wrote:
When gathering info for unmovable types we need to handle arrays.
While we dont support packing/moving arrays we do support packing
scalar components with these arrays.

Fixes piglit:
tests/spec/arb_enhanced_layouts/execution/component-layout/vs-fs-array-interleave-range.shader_test

Fixes: 5eb17506e159 ("nir: do not pack varying with different types")
---
  src/compiler/nir/nir_linking_helpers.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_linking_helpers.c b/src/compiler/nir/nir_linking_helpers.c
index 7594728e25e..f4494c78f98 100644
--- a/src/compiler/nir/nir_linking_helpers.c
+++ b/src/compiler/nir/nir_linking_helpers.c
@@ -309,7 +309,8 @@ get_unmoveable_components_masks(struct exec_list *var_list,
              comps[location + i].interp_type =
                 get_interp_type(var, type, default_to_smooth_interp);
              comps[location + i].interp_loc = get_interp_loc(var);
-            comps[location + i].is_32bit = glsl_type_is_32bit(type);
+            comps[location + i].is_32bit =
+               glsl_type_is_32bit(glsl_without_array(type));
           }
        }
     }
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