Plumbing mipmaps to the point of creation.

src/gpu/SkGr.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkGr.h"
 #include "SkGrPriv.h"
@@ skipping 376 matching lines @@
         SkMipMap::Level generatedMipLevel;
         mipmaps->getLevel(i - 1, &generatedMipLevel);
         texels[i].fPixels = generatedMipLevel.fPixmap.addr();
         texels[i].fRowBytes = generatedMipLevel.fPixmap.rowBytes();
     }
 
     return ctx->textureProvider()->createMipMappedTexture(desc, SkBudgeted::kYes, texels.get(),
                                                           mipLevelCount);
 }
 
+GrTexture* GrUploadMipMapToTexture(GrContext* ctx, const SkImageInfo& info,
+                                   const GrMipLevel* texels, int mipLevelCount) {
+    const GrCaps* caps = ctx->caps();
+    return ctx->textureProvider()->createMipMappedTexture(GrImageInfoToSurfaceDesc(info, *caps),
+                                                          SkBudgeted::kYes, texels,
+                                                          mipLevelCount);
+}
+
 GrTexture* GrRefCachedBitmapTexture(GrContext* ctx, const SkBitmap& bitmap,
                                     const GrTextureParams& params) {
     if (bitmap.getTexture()) {
         return GrBitmapTextureAdjuster(&bitmap).refTextureSafeForParams(params, nullptr);
     }
     return GrBitmapTextureMaker(ctx, bitmap).refTextureForParams(params);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ skipping 352 matching lines @@
             SkErrorInternals::SetError( kInvalidPaint_SkError,
                                         "Sorry, I don't understand the filtering "
                                         "mode you asked for.  Falling back to "
                                         "MIPMaps.");
             textureFilterMode = GrTextureParams::kMipMap_FilterMode;
             break;
 
     }
     return textureFilterMode;
 }