Add F16 to the list of allowed formats in GaussianBlur

src/core/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 204 matching lines @@
 
     // setup new clip
     GrFixedClip clip(localDstBounds);
 
     sk_sp<GrTexture> srcTexture(sk_ref_sp(origSrc));
 
     SkASSERT(kBGRA_8888_GrPixelConfig == srcTexture->config() ||
              kRGBA_8888_GrPixelConfig == srcTexture->config() ||
              kSRGBA_8888_GrPixelConfig == srcTexture->config() ||
              kSBGRA_8888_GrPixelConfig == srcTexture->config() ||
+             kRGBA_half_GrPixelConfig == srcTexture->config() ||
              kAlpha_8_GrPixelConfig == srcTexture->config());
 
     const int width = dstBounds.width();
     const int height = dstBounds.height();
     const GrPixelConfig config = srcTexture->config();
 
     sk_sp<GrDrawContext> dstDrawContext(context->makeDrawContext(fit,
                                                                  width, height, config, colorSpace,
                                                                  0, kDefault_GrSurfaceOrigin));
     if (!dstDrawContext) {
@@ skipping 138 matching lines @@
         dstDrawContext.swap(tmpDrawContext);
     }
 
     return srcDrawContext;
 }
 
 }
 
 #endif