Previously, we were relying on has_matching_typed_format returning true for
MESA_FORMAT_NONE which, in turn, relied on _mesa_get_format_bytes returning
1 for MESA_FORMAT_NONE. When we switch to ISL, this behaviour will no
longer be something we can rely on.
---
src/mesa/drivers/dri/i965/brw_fs_surface_builder.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_surface_builder.cpp
b/src/mesa/drivers/dri/i965/brw_fs_surface_builder.cpp
index 04d1cd2..0932336 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_surface_builder.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_surface_builder.cpp
@@ -410,6 +410,7 @@ namespace {
* reads want the array index to be at the Z component.
*/
const bool array_index_at_z =
+ format != MESA_FORMAT_NONE &&
!image_format_info::has_matching_typed_format(
bld.shader->devinfo, format);
const unsigned zero_dims =
--
2.5.0.400.gff86faf
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