From: Kenneth Graunke <kenneth@whitecape.org>
Date: Sat, 3 Nov 2018 14:24:54 +0000 (-0700)
Subject: iris: fix overhead regression from "don't stomp each other's dirty bits"
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aef1ba5ce4fe2c2359d2927f209107853440bb5a;p=mesa.git

iris: fix overhead regression from "don't stomp each other's dirty bits"

The change from dirty = 0ull to dirty &= ~NOT_MY_BITS broke the "nothing
to do?  skip it!" optimization.  thanks to Chris for noticing this!
---

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index be7ca83d4b3..859c96717bc 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -3766,7 +3766,7 @@ iris_upload_dirty_render_state(struct iris_context *ice,
 {
    const uint64_t dirty = ice->state.dirty;
 
-   if (!dirty)
+   if (!(dirty & IRIS_ALL_DIRTY_FOR_RENDER))
       return;
 
    struct iris_genx_state *genx = ice->state.genx;