For GEN9, much of the logic to use X-Tiled buffers has been stripped out. It is
still supported in some places, but it's never desirable. Unfortunately we don't
yet have the ability to have Y-Tiled scanout (see:
http://patchwork.freedesktop.org/patch/46984/),
NOTE: This patch shouldn't actually do anything since SKL doesn't yet use fast
clears, and that's the only case we can get to this function (by way of
intel_update_winsys_renderbuffer_miptree)
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index b243f8a..68d405c 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -193,6 +193,8 @@ intel_is_non_msrt_mcs_buffer_supported(struct brw_context
*brw,
return false;
}
+ if (brw->gen >= 9 && mt->tiling != I915_TILING_Y)
+ return false;
if (mt->tiling != I915_TILING_X &&
mt->tiling != I915_TILING_Y)
return false;
--
2.4.2
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