Add path renderer selection spew

Change-Id: If39963605dfa24cc14548e2abdd965ad55a1a561
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/284736
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

src/gpu/GrDrawingManager.cpp

@@ -902,6 +902,12 @@ GrPathRenderer* GrDrawingManager::getPathRenderer(const GrPathRenderer::CanDrawP
         }
     }
 
+#if GR_PATH_RENDERER_SPEW
+    if (pr) {
+        SkDebugf("getPathRenderer: %s\n", pr->name());
+    }
+#endif
+
     return pr;
 }
 

src/gpu/GrDrawingManager.h

@@ -18,6 +18,9 @@
 #include "src/gpu/GrResourceCache.h"
 #include "src/gpu/text/GrTextContext.h"
 
+// Enabling this will print out which path renderers are being chosen
+#define GR_PATH_RENDERER_SPEW 0
+
 class GrCoverageCountingPathRenderer;
 class GrOnFlushCallbackObject;
 class GrOpFlushState;

src/gpu/GrRenderTargetContext.cpp

@@ -2437,6 +2437,9 @@ void GrRenderTargetContext::drawShapeUsingPathRenderer(const GrClip& clip,
             pr = this->drawingManager()->getPathRenderer(canDrawArgs, true, kType);
         } else {
             pr = this->drawingManager()->getSoftwarePathRenderer();
+#if GR_PATH_RENDERER_SPEW
+            SkDebugf("falling back to: %s\n", pr->name());
+#endif
         }
     }