Add method to iterate over a GrOp's GrSurfaceProxies

The extra generality of having a std::function is for MDB reordering. In the current MDB reordering world there is one pass through the surfaceProxies at creation time and a second pass after flush to create the usage intervals.

Change-Id: I3f548417eddc1dad7503d919241301e404255ffe
Reviewed-on: https://skia-review.googlesource.com/46200
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gpu/GrAppliedClip.h b/src/gpu/GrAppliedClip.h
index bcf6eb9ce8..e942baa6a2 100644
--- a/src/gpu/GrAppliedClip.h
+++ b/src/gpu/GrAppliedClip.h
@@ -82,6 +82,12 @@ public:
     }
     bool operator!=(const GrAppliedClip& that) const { return !(*this == that); }
 
+    void visitProxies(std::function<void(GrSurfaceProxy*)> func) const {
+        if (fClipCoverageFP) {
+            fClipCoverageFP->visitProxies(func);
+        }
+    }
+
 private:
     GrScissorState             fScissorState;
     GrWindowRectsState         fWindowRectsState;