Consolidate handling of infinitely thin primitives and aa bloat handing WRT batch bounds

src/gpu/batches/GrDrawVerticesBatch.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawVerticesBatch.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 45 matching lines @@
         fVariableColor = false;
     }
 
     if (localCoords) {
         mesh.fLocalCoords.append(vertexCount, localCoords);
     }
     fVertexCount = vertexCount;
     fIndexCount = indexCount;
     fPrimitiveType = primitiveType;
 
-    this->setBounds(bounds);
+    IsZeroArea zeroArea;
+    if (GrIsPrimTypeLines(primitiveType) || kPoints_GrPrimitiveType == primitiveType) {
+        zeroArea = IsZeroArea::kYes;
+    } else {
+        zeroArea = IsZeroArea::kNo;
+    }
+    this->setBounds(bounds, HasAABloat::kNo, zeroArea);
 }
 
 void GrDrawVerticesBatch::computePipelineOptimizations(GrInitInvariantOutput* color,
                                                        GrInitInvariantOutput* coverage,
                                                        GrBatchToXPOverrides* overrides) const {
     // When this is called on a batch, there is only one mesh
     if (fVariableColor) {
         color->setUnknownFourComponents();
     } else {
         color->setKnownFourComponents(fMeshes[0].fColor);
@@ skipping 116 matching lines @@
     if (!fVariableColor) {
         if (that->fVariableColor || that->fMeshes[0].fColor != fMeshes[0].fColor) {
             fVariableColor = true;
         }
     }
 
     fMeshes.push_back_n(that->fMeshes.count(), that->fMeshes.begin());
     fVertexCount += that->fVertexCount;
     fIndexCount += that->fIndexCount;
 
-    this->joinBounds(that->bounds());
+    this->joinBounds(*that);
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #ifdef GR_TEST_UTILS
 
 #include "GrBatchTest.h"
 
 static uint32_t seed_vertices(GrPrimitiveType type) {
@@ skipping 97 matching lines @@
 
     viewMatrix.mapRect(&bounds);
 
     GrColor color = GrRandomColor(random);
     return new GrDrawVerticesBatch(color, type, viewMatrix, positions.begin(), vertexCount,
                                    indices.begin(), hasIndices ? vertexCount : 0,
                                    colors.begin(), texCoords.begin(), bounds);
 }
 
 #endif