tunnel down texture-size-constraint to imagefilters

src/effects/SkGpuBlurUtils.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 "SkGpuBlurUtils.h"
 
 #include "SkRect.h"
@@ skipping 128 matching lines @@
                              direction, radius, sigma, false, bounds);
     }
 }
 
 GrTexture* GaussianBlur(GrContext* context,
                         GrTexture* srcTexture,
                         bool canClobberSrc,
                         const SkRect& rect,
                         bool cropToRect,
                         float sigmaX,
-                        float sigmaY) {
+                        float sigmaY,
+                        GrTextureProvider::SizeConstraint constraint) {
     SkASSERT(context);
 
     SkIRect clearRect;
     int scaleFactorX, radiusX;
     int scaleFactorY, radiusY;
     int maxTextureSize = context->caps()->maxTextureSize();
     sigmaX = adjust_sigma(sigmaX, maxTextureSize, &scaleFactorX, &radiusX);
     sigmaY = adjust_sigma(sigmaY, maxTextureSize, &scaleFactorY, &radiusY);
 
     SkRect srcRect(rect);
@@ skipping 12 matching lines @@
     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fWidth = SkScalarFloorToInt(srcRect.width());
     desc.fHeight = SkScalarFloorToInt(srcRect.height());
     desc.fConfig = srcTexture->config();
 
     GrTexture* dstTexture;
     GrTexture* tempTexture;
     SkAutoTUnref<GrTexture> temp1, temp2;
 
-    temp1.reset(context->textureProvider()->createApproxTexture(desc));
+    temp1.reset(context->textureProvider()->createTexture(desc, constraint));
     dstTexture = temp1.get();
     if (canClobberSrc) {
         tempTexture = srcTexture;
     } else {
-        temp2.reset(context->textureProvider()->createApproxTexture(desc));
+        temp2.reset(context->textureProvider()->createTexture(desc, constraint));
         tempTexture = temp2.get();
     }
 
     if (nullptr == dstTexture || nullptr == tempTexture) {
         return nullptr;
     }
 
     SkAutoTUnref<GrDrawContext> srcDrawContext;
 
     for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) {
@@ skipping 159 matching lines @@
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
 
     return SkRef(srcTexture);
 }
 #endif
 
 }