Add early out for large textures

src/image/SkImage_Gpu.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAutoPixmapStorage.h"
 #include "GrCaps.h"
 #include "GrContext.h"
@@ skipping 337 matching lines @@
 };
 
 size_t SkImage::getDeferredTextureImageData(const GrContextThreadSafeProxy& proxy,
                                             const DeferredTextureImageUsageParams[],
                                             int paramCnt, void* buffer) const {
     const bool fillMode = SkToBool(buffer);
     if (fillMode && !SkIsAlign8(reinterpret_cast<intptr_t>(buffer))) {
         return 0;
     }
 
+    const int maxTextureSize = proxy.fCaps->maxTextureSize();
+    if (width() > maxTextureSize || height() > maxTextureSize) {
+        return 0;
+    }
+
     SkAutoPixmapStorage pixmap;
     SkImageInfo info;
     size_t pixelSize = 0;
     size_t ctSize = 0;
     int ctCount = 0;
     if (this->peekPixels(&pixmap)) {
         info = pixmap.info();
         pixelSize = SkAlign8(pixmap.getSafeSize());
         if (pixmap.ctable()) {
             ctCount = pixmap.ctable()->count();
@@ skipping 83 matching lines @@
         return nullptr;
     }
 
     const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
     const SkIPoint dstP = SkIPoint::Make(0, 0);
     ctx->copySurface(dst, src, srcR, dstP);
     ctx->flushSurfaceWrites(dst);
     return dst;
 }