Don't issue texture barriers for RT's with separate storage

Don't issue texture barriers for RT's with separate storage

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/231c5fd590c898957d65cbfbc51040c7fe236af6

[Chris Dalton, 2015-05-08 22:31:05]

cdalton@nvidia.com changed reviewers:
+ bsalomon@google.com, egdaniel@google.com

[bsalomon, 2015-05-13 13:31:49]

On 2015/05/08 22:31:06, Chris Dalton wrote:

I like this better, too. We can live with the full resolve for now and address
it in a comprehensive rethink of the grsurface hierarchy. lgtm

[Chris Dalton, 2015-05-13 18:51:17]

The CQ bit was checked by cdalton@nvidia.com

[commit-bot: I haz the power, 2015-05-13 18:53:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1137663004/80001

[commit-bot: I haz the power, 2015-05-13 18:53:52]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-13 18:53:54]

Failed to apply patch for tests/GLProgramsTest.cpp:
While running git apply --index -3 -p1;
  error: patch failed: tests/GLProgramsTest.cpp:307
  Falling back to three-way merge...
  Applied patch to 'tests/GLProgramsTest.cpp' with conflicts.
  U tests/GLProgramsTest.cpp

Patch:       tests/GLProgramsTest.cpp
Index: tests/GLProgramsTest.cpp
diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index
1d7beecc759826a7a167f3aefecc2af21a2a436e..954f7126b1105a5961a92df0e031f4afdf7a576a
100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -307,7 +307,7 @@ bool GrDrawTarget::programUnitTest(int maxStages) {
 
         GrXferBarrierType barrierType;
         if (pipeline.getXferProcessor()->willNeedXferBarrier(rt, *gpu->caps(),
&barrierType)) {
-            gpu->xferBarrier(barrierType);
+            gpu->xferBarrier(rt, barrierType);
         }
 
         GrBatchTracker bt;

[Chris Dalton, 2015-05-13 19:17:29]

The CQ bit was checked by cdalton@nvidia.com

[Chris Dalton, 2015-05-13 19:17:29]

The patchset sent to the CQ was uploaded after l-g-t-m from bsalomon@google.com
Link to the patchset: https://codereview.chromium.org/1137663004/#ps100001
(title: "rebase")

[commit-bot: I haz the power, 2015-05-13 19:17:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1137663004/100001

[commit-bot: I haz the power, 2015-05-13 19:35:43]

Committed patchset #6 (id:100001) as
https://skia.googlesource.com/skia/+/231c5fd590c898957d65cbfbc51040c7fe236af6