From: Stéphane Marchesin <marcheu@chromium.org>
Date: Mon, 4 Jul 2011 02:44:02 +0000 (-0700)
Subject: i915g: Add comment about DDX/DDY.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cc78eb63cdc0022684ca6816f258ea4492431916;p=mesa.git

i915g: Add comment about DDX/DDY.
---

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.