Creating functions for uploading a mipmapped texture.

src/gpu/SkGrPriv.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGrPriv_DEFINED
 #define SkGrPriv_DEFINED
 
@@ skipping 19 matching lines @@
  *  Our key includes the offset, width, and height so that bitmaps created by extractSubset()
  *  are unique.
  *
  *  The imageID is in the shared namespace (see SkNextID::ImageID())
  *      - SkBitmap/SkPixelRef
  *      - SkImage
  *      - SkImageGenerator
  *
  *  Note: width/height must fit in 16bits for this impl.
  */
+void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds,
+                          bool isMipMapped);
+
+/**
+ * This function is a shim which calls the other GrMakeKeyFromImageID with
+ * isMipMapped = false
+ */
 void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds);
 
 /** Converts an SkPaint to a GrPaint for a given GrContext. The matrix is required in order
     to convert the SkShader (if any) on the SkPaint. The primitive itself has no color. */
 bool SkPaintToGrPaint(GrContext*,
                       const SkPaint& skPaint,
                       const SkMatrix& viewM,
                       GrPaint* grPaint);
 
 /** Same as above but ignores the SkShader (if any) on skPaint. */
@@ skipping 66 matching lines @@
 GR_STATIC_ASSERT((int)kIDC_GrBlendCoeff == (int)SkXfermode::kIDC_Coeff);
 GR_STATIC_ASSERT((int)kSA_GrBlendCoeff == (int)SkXfermode::kSA_Coeff);
 GR_STATIC_ASSERT((int)kISA_GrBlendCoeff == (int)SkXfermode::kISA_Coeff);
 GR_STATIC_ASSERT((int)kDA_GrBlendCoeff == (int)SkXfermode::kDA_Coeff);
 GR_STATIC_ASSERT((int)kIDA_GrBlendCoeff == (int)SkXfermode::kIDA_Coeff);
 GR_STATIC_ASSERT(SkXfermode::kCoeffCount == 10);
 
 #define SkXfermodeCoeffToGrBlendCoeff(X) ((GrBlendCoeff)(X))
 
 #endif