Add test configs for instanced rendering

src/gpu/GrDrawTarget.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawTarget.h"
 
 #include "GrAuditTrail.h"
@@ skipping 30 matching lines @@
 // Experimentally we have found that most batching occurs within the first 10 comparisons.
 static const int kDefaultMaxBatchLookback  = 10;
 static const int kDefaultMaxBatchLookahead = 10;
 
 GrDrawTarget::GrDrawTarget(GrRenderTarget* rt, GrGpu* gpu, GrResourceProvider* resourceProvider,
                            GrAuditTrail* auditTrail, const Options& options)
     : fGpu(SkRef(gpu))
     , fResourceProvider(resourceProvider)
     , fAuditTrail(auditTrail)
     , fFlags(0)
-    , fRenderTarget(rt)
-    , fInstancedRendering(fGpu->createInstancedRenderingIfSupported()) {
+    , fRenderTarget(rt) {
     // TODO: Stop extracting the context (currently needed by GrClipMaskManager)
     fContext = fGpu->getContext();
 
     fClipBatchToBounds = options.fClipBatchToBounds;
     fDrawBatchBounds = options.fDrawBatchBounds;
     fMaxBatchLookback = (options.fMaxBatchLookback < 0) ? kDefaultMaxBatchLookback :
                                                           options.fMaxBatchLookback;
     fMaxBatchLookahead = (options.fMaxBatchLookahead < 0) ? kDefaultMaxBatchLookahead :
                                                            options.fMaxBatchLookahead;
 
+    if (GrCaps::InstancedSupport::kNone != this->caps()->instancedSupport()) {
+        fInstancedRendering.reset(fGpu->createInstancedRendering());
+    }
+
     rt->setLastDrawTarget(this);
 
 #ifdef SK_DEBUG
     static int debugID = 0;
     fDebugID = debugID++;
 #endif
 }
 
 GrDrawTarget::~GrDrawTarget() {
     if (fRenderTarget && this == fRenderTarget->getLastDrawTarget()) {
@@ skipping 523 matching lines @@
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrDrawTarget::clearStencilClip(const SkIRect& rect, bool insideClip, GrRenderTarget* rt) {
     GrBatch* batch = new GrClearStencilClipBatch(rect, insideClip, rt);
     this->recordBatch(batch, batch->bounds());
     batch->unref();
 }