Creating functions for uploading a mipmapped texture.

src/core/SkImageCacherator.cpp

Index: src/core/SkImageCacherator.cpp
diff --git a/src/core/SkImageCacherator.cpp b/src/core/SkImageCacherator.cpp
index 572778e19ca16a02e1e99ff89415b6aff390fc19..1b18c190a5967d60d197971ee7d53d366b3bd9ea 100644
--- a/src/core/SkImageCacherator.cpp
+++ b/src/core/SkImageCacherator.cpp
@@ -239,7 +239,8 @@ static GrTexture* set_key_and_return(GrTexture* tex, const GrUniqueKey& key) {
  *  5. Ask the generator to return RGB(A) data, which the GPU can convert
  */
 GrTexture* SkImageCacherator::lockTexture(GrContext* ctx, const GrUniqueKey& key,
-                                          const SkImage* client, SkImage::CachingHint chint) {
+                                          const SkImage* client, SkImage::CachingHint chint,
+                                          bool willBeMipped) {
     // 1. Check the cache for a pre-existing one
     if (key.isValid()) {
         if (GrTexture* tex = ctx->textureProvider()->findAndRefTextureByUniqueKey(key)) {
@@ -280,7 +281,12 @@ GrTexture* SkImageCacherator::lockTexture(GrContext* ctx, const GrUniqueKey& key
     // 5. Ask the generator to return RGB(A) data, which the GPU can convert
     SkBitmap bitmap;
     if (this->tryLockAsBitmap(&bitmap, client, chint)) {
-        GrTexture* tex = GrUploadBitmapToTexture(ctx, bitmap);
+        GrTexture* tex = nullptr;
+        if (willBeMipped) {
+            tex = GrGenerateMipMapsAndUploadToTexture(ctx, bitmap);
+        } else {
+            tex = GrUploadBitmapToTexture(ctx, bitmap);
+        }
         if (tex) {
             return set_key_and_return(tex, key);
         }