From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Sat, 3 Jul 2010 11:47:49 +0000 (+0100)
Subject: i915g: Don't dirty dynamic state if it hasn't changed
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7174038e29c91c6c32865150eb30616a4d15bc3e;p=mesa.git

i915g: Don't dirty dynamic state if it hasn't changed
---

diff --git a/src/gallium/drivers/i915/i915_state_dynamic.c b/src/gallium/drivers/i915/i915_state_dynamic.c
index d964483ac7e..d61a8c3407f 100644
--- a/src/gallium/drivers/i915/i915_state_dynamic.c
+++ b/src/gallium/drivers/i915/i915_state_dynamic.c
@@ -30,7 +30,7 @@
 #include "i915_context.h"
 #include "i915_reg.h"
 #include "i915_state.h"
-#include "util/u_math.h"
+
 #include "util/u_memory.h"
 #include "util/u_pack_color.h"
 
@@ -53,6 +53,9 @@ static INLINE void set_dynamic_indirect(struct i915_context *i915,
 {
    unsigned i;
 
+   if (!memcmp(src, &i915->current.dynamic[offset], dwords * 4))
+      return;
+
    for (i = 0; i < dwords; i++)
       i915->current.dynamic[offset + i] = src[i];