Add SkSourceGammaTreatment enum so we know how to create mips

src/gpu/GrImageIDTextureAdjuster.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrImageIDTextureAdjuster.h"
 
 #include "GrContext.h"
@@ skipping 63 matching lines @@
     , fBitmap(bitmap) {
     SkASSERT(!bitmap.getTexture());
     if (!bitmap.isVolatile()) {
         SkIPoint origin = bitmap.pixelRefOrigin();
         SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, bitmap.width(),
                                            bitmap.height());
         GrMakeKeyFromImageID(&fOriginalKey, bitmap.pixelRef()->getGenerationID(), subset);
     }
 }
 
-GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped) {
+GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped,
+                                                    SkSourceGammaTreatment gammaTreatment) {
     GrTexture* tex = nullptr;
 
     if (fOriginalKey.isValid()) {
         tex = this->context()->textureProvider()->findAndRefTextureByUniqueKey(fOriginalKey);
         if (tex) {
             return tex;
         }
     }
     if (willBeMipped) {
-        tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap);
+        tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap, gammaTreatment);
     }
     if (!tex) {
         tex = GrUploadBitmapToTexture(this->context(), fBitmap);
     }
     if (tex && fOriginalKey.isValid()) {
         tex->resourcePriv().setUniqueKey(fOriginalKey);
         GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef());
     }
     return tex;
 }
@@ skipping 18 matching lines @@
                 cacher_is_alpha_only(*cacher))
     , fCacher(cacher)
     , fClient(client)
     , fCachingHint(chint) {
     if (client) {
         GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(),
                              SkIRect::MakeWH(this->width(), this->height()));
     }
 }
 
-GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped) {
-    return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped);
+GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped,
+                                                   SkSourceGammaTreatment gammaTreatment) {
+    return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped,
+                                gammaTreatment);
 }
 
 void GrImageTextureMaker::makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey) {
     if (fOriginalKey.isValid() && SkImage::kAllow_CachingHint == fCachingHint) {
         MakeCopyKeyFromOrigKey(fOriginalKey, stretch, paramsCopyKey);
     }
 }
 
 void GrImageTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) {
     if (fClient) {
         as_IB(fClient)->notifyAddedToCache();
     }
 }