Add SkSourceGammaTreatment enum so we know how to create mips

src/core/SkBitmapProcShader.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapProcShader.h"
 #include "SkBitmapProcState.h"
 #include "SkBitmapProvider.h"
@@ skipping 394 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU
 
 #include "GrTextureAccess.h"
 #include "SkGr.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 const GrFragmentProcessor* SkBitmapProcShader::asFragmentProcessor(GrContext* context,
                                              const SkMatrix& viewM, const SkMatrix* localMatrix,
-                                             SkFilterQuality filterQuality) const {
+                                             SkFilterQuality filterQuality,
+                                             SkSourceGammaTreatment gammaTreatment) const {
     SkMatrix matrix;
     matrix.setIDiv(fRawBitmap.width(), fRawBitmap.height());
 
     SkMatrix lmInverse;
     if (!this->getLocalMatrix().invert(&lmInverse)) {
         return nullptr;
     }
     if (localMatrix) {
         SkMatrix inv;
         if (!localMatrix->invert(&inv)) {
@@ skipping 10 matching lines @@
 
     // Must set wrap and filter on the sampler before requesting a texture. In two places below
     // we check the matrix scale factors to determine how to interpret the filter quality setting.
     // This completely ignores the complexity of the drawVertices case where explicit local coords
     // are provided by the caller.
     bool doBicubic;
     GrTextureParams::FilterMode textureFilterMode =
             GrSkFilterQualityToGrFilterMode(filterQuality, viewM, this->getLocalMatrix(),
                                             &doBicubic);
     GrTextureParams params(tm, textureFilterMode);
-    SkAutoTUnref<GrTexture> texture(GrRefCachedBitmapTexture(context, fRawBitmap, params));
+    SkAutoTUnref<GrTexture> texture(GrRefCachedBitmapTexture(context, fRawBitmap, params,
+                                                             gammaTreatment));
 
     if (!texture) {
         SkErrorInternals::SetError( kInternalError_SkError,
                                     "Couldn't convert bitmap to texture.");
         return nullptr;
     }
 
     SkAutoTUnref<const GrFragmentProcessor> inner;
     if (doBicubic) {
         inner.reset(GrBicubicEffect::Create(texture, matrix, tm));
     } else {
         inner.reset(GrSimpleTextureEffect::Create(texture, matrix, params));
     }
 
     if (kAlpha_8_SkColorType == fRawBitmap.colorType()) {
         return GrFragmentProcessor::MulOutputByInputUnpremulColor(inner);
     }
     return GrFragmentProcessor::MulOutputByInputAlpha(inner);
 }
 
 #endif