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-rw-r--r--src/gallium/drivers/i915/i915_fpc_translate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_fpc_translate.c b/src/gallium/drivers/i915/i915_fpc_translate.c
index 0cbd4f2d748..df606e27e26 100644
--- a/src/gallium/drivers/i915/i915_fpc_translate.c
+++ b/src/gallium/drivers/i915/i915_fpc_translate.c
@@ -450,6 +450,7 @@ emit_simple_arith_swap2(struct i915_fp_compile *p,
*
* Possible concerns:
*
+ * DDX, DDY -- return 0
* SIN, COS -- could use another taylor step?
* LIT -- results seem a little different to sw mesa
* LOG -- different to mesa on negative numbers, but this is conformant.