Use unorm shorts for texture coordinates when rendering text.

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"
@@ skipping 11 matching lines @@
 #include "text/GrTextBlobCache.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].fLog2Width = SkNextLog2(dim);
+    configs[kA8_GrMaskFormat].fLog2Height = SkNextLog2(dim);
     configs[kA8_GrMaskFormat].fPlotWidth = dim;
     configs[kA8_GrMaskFormat].fPlotHeight = dim;
 
     configs[kA565_GrMaskFormat].fWidth = dim;
     configs[kA565_GrMaskFormat].fHeight = dim;
+    configs[kA565_GrMaskFormat].fLog2Width = SkNextLog2(dim);
+    configs[kA565_GrMaskFormat].fLog2Height = SkNextLog2(dim);
     configs[kA565_GrMaskFormat].fPlotWidth = dim;
     configs[kA565_GrMaskFormat].fPlotHeight = dim;
 
     configs[kARGB_GrMaskFormat].fWidth = dim;
     configs[kARGB_GrMaskFormat].fHeight = dim;
+    configs[kARGB_GrMaskFormat].fLog2Width = SkNextLog2(dim);
+    configs[kARGB_GrMaskFormat].fLog2Height = SkNextLog2(dim);
     configs[kARGB_GrMaskFormat].fPlotWidth = dim;
     configs[kARGB_GrMaskFormat].fPlotHeight = dim;
 
     context->setTextContextAtlasSizes_ForTesting(configs);
 }
 };
 
 void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target, GrRenderTarget* rt) {
     SkASSERT(!fContext);
 
@@ skipping 354 matching lines @@
     SkASSERT(nullptr == fGpu);
     fGpu = new MockGpu(this, options);
     SkASSERT(fGpu);
     this->initCommon(options);
 
     // 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.
     fDrawingManager->abandon();
 }