The BLT can't handle S8 because it's W-tiled (at least without
additional funny business, and I'm not sure we care). Disallow
it so it falls back to the CPU path, which works.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/intel_copy_image.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/intel_copy_image.c
b/src/mesa/drivers/dri/i965/intel_copy_image.c
index b728df7..a50a780 100644
--- a/src/mesa/drivers/dri/i965/intel_copy_image.c
+++ b/src/mesa/drivers/dri/i965/intel_copy_image.c
@@ -48,6 +48,9 @@ copy_image_with_blitter(struct brw_context *brw,
if (src_mt->num_samples > 0 || dst_mt->num_samples > 0)
return false;
+ if (src_mt->format == MESA_FORMAT_S_UINT8)
+ return false;
+
/* According to the Ivy Bridge PRM, Vol1 Part4, section 1.2.1.2 (Graphics
* Data Size Limitations):
*
--
2.8.2
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