Add more optional debugging printouts for resource allocation

Change-Id: I84e9d2cc8862d366fab3f9142fee5b8ed981bed7
Reviewed-on: https://skia-review.googlesource.com/143705
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/src/gpu/GrResourceAllocator.cpp b/src/gpu/GrResourceAllocator.cpp
index 199acefe7a..8cc695f4e7 100644
--- a/src/gpu/GrResourceAllocator.cpp
+++ b/src/gpu/GrResourceAllocator.cpp
@@ -18,6 +18,17 @@
 #include "GrTextureProxy.h"
 #include "GrUninstantiateProxyTracker.h"
 
+#if GR_TRACK_INTERVAL_CREATION
+uint32_t GrResourceAllocator::Interval::CreateUniqueID() {
+    static int32_t gUniqueID = SK_InvalidUniqueID;
+    uint32_t id;
+    do {
+        id = static_cast<uint32_t>(sk_atomic_inc(&gUniqueID) + 1);
+    } while (id == SK_InvalidUniqueID);
+    return id;
+}
+#endif
+
 void GrResourceAllocator::Interval::assign(sk_sp<GrSurface> s) {
     SkASSERT(!fAssignedSurface);
     fAssignedSurface = s;
diff --git a/src/gpu/GrResourceAllocator.h b/src/gpu/GrResourceAllocator.h
index f383ee4653..fc3d031165 100644
--- a/src/gpu/GrResourceAllocator.h
+++ b/src/gpu/GrResourceAllocator.h
@@ -22,6 +22,9 @@ class GrUninstantiateProxyTracker;
 // Print out explicit allocation information
 #define GR_ALLOCATION_SPEW 0
 
+// Print out information about interval creation
+#define GR_TRACK_INTERVAL_CREATION 0
+
 /*
  * The ResourceAllocator explicitly distributes GPU resources at flush time. It operates by
  * being given the usage intervals of the various proxies. It keeps these intervals in a singly
@@ -112,6 +115,11 @@ private:
             , fEnd(end)
             , fNext(nullptr) {
             SkASSERT(proxy);
+#if GR_TRACK_INTERVAL_CREATION
+            fUniqueID = CreateUniqueID();
+            SkDebugf("New intvl %d: proxyID: %d [ %d, %d ]\n",
+                     fUniqueID, proxy->uniqueID().asUInt(), start, end);
+#endif
         }
 
         void resetTo(GrSurfaceProxy* proxy, unsigned int start, unsigned int end) {
@@ -122,6 +130,11 @@ private:
             fStart = start;
             fEnd = end;
             fNext = nullptr;
+#if GR_TRACK_INTERVAL_CREATION
+            fUniqueID = CreateUniqueID();
+            SkDebugf("New intvl %d: proxyID: %d [ %d, %d ]\n",
+                     fUniqueID, proxy->uniqueID().asUInt(), start, end);
+#endif
         }
 
         ~Interval() {
@@ -140,6 +153,9 @@ private:
         void extendEnd(unsigned int newEnd) {
             if (newEnd > fEnd) {
                 fEnd = newEnd;
+#if GR_TRACK_INTERVAL_CREATION
+                SkDebugf("intvl %d: extending from %d to %d\n", fUniqueID, fEnd, newEnd);
+#endif
             }
         }
 
@@ -160,6 +176,12 @@ private:
         unsigned int     fStart;
         unsigned int     fEnd;
         Interval*        fNext;
+
+#if GR_TRACK_INTERVAL_CREATION
+        uint32_t        fUniqueID;
+
+        uint32_t CreateUniqueID();
+#endif
     };
 
     class IntervalList {