wire up reduced atlas and zero textblob cache to test

src/gpu/GrTest.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTest.h"
 
+#include "GrBatchAtlas.h"
 #include "GrBatchFontCache.h"
 #include "GrBufferedDrawTarget.h"
 #include "GrContextOptions.h"
 #include "GrGpuResourceCacheAccess.h"
 #include "GrResourceCache.h"
 #include "GrTextBlobCache.h"
 #include "SkString.h"
 
+namespace GrTest {
+void SetupAlwaysEvictAtlas(GrContext* context) {
+    // These sizes were selected because they allow each atlas to hold a single plot and will thus
+    // stress the atlas
+    int dim = GrBatchAtlas::kGlyphMaxDim;
+    GrBatchAtlasConfig configs[3];
+    configs[kA8_GrMaskFormat].fWidth = dim;
+    configs[kA8_GrMaskFormat].fHeight = dim;
+    configs[kA8_GrMaskFormat].fPlotWidth = dim;
+    configs[kA8_GrMaskFormat].fPlotHeight = dim;
+
+    configs[kA565_GrMaskFormat].fWidth = dim;
+    configs[kA565_GrMaskFormat].fHeight = dim;
+    configs[kA565_GrMaskFormat].fPlotWidth = dim;
+    configs[kA565_GrMaskFormat].fPlotHeight = dim;
+
+    configs[kARGB_GrMaskFormat].fWidth = dim;
+    configs[kARGB_GrMaskFormat].fHeight = dim;
+    configs[kARGB_GrMaskFormat].fPlotWidth = dim;
+    configs[kARGB_GrMaskFormat].fPlotHeight = dim;
+
+    context->setTextContextAtlasSizes_ForTesting(configs);
+}
+};
+
 void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target) {
     SkASSERT(!fContext);
 
     fContext.reset(SkRef(ctx));
     fDrawTarget.reset(SkRef(target));
 }
 
 void GrContext::getTestTarget(GrTestTarget* tar) {
     this->flush();
     // We could create a proxy GrDrawTarget that passes through to fGpu until ~GrTextTarget() and
@@ skipping 238 matching lines @@
     SkASSERT(NULL == fGpu);
     fGpu = SkNEW_ARGS(MockGpu, (this, options));
     SkASSERT(fGpu);
     this->initCommon();
 
     // We delete these because we want to test the cache starting with zero resources. Also, none of
     // these objects are required for any of tests that use this context. TODO: make stop allocating
     // resources in the buffer pools.
     fDrawingMgr.abandon();
 }