Better (?) interface for controlling sRGB-ness of mipmaps on GrTexture

src/gpu/GrTexture.cpp

Index: src/gpu/GrTexture.cpp
diff --git a/src/gpu/GrTexture.cpp b/src/gpu/GrTexture.cpp
index 9209dbd05353fa7fb77ec6cfba65e2358c0324e4..683458182eaef312f5067e839de9568eb47e6029 100644
--- a/src/gpu/GrTexture.cpp
+++ b/src/gpu/GrTexture.cpp
@@ -18,7 +18,7 @@
 #include "SkMipMap.h"
 #include "SkTypes.h"
 
-void GrTexture::dirtyMipMaps(bool mipMapsDirty, bool sRGBCorrect) {
+void GrTexture::dirtyMipMaps(bool mipMapsDirty) {
     if (mipMapsDirty) {
         if (kValid_MipMapsStatus == fMipMapsStatus) {
             fMipMapsStatus = kAllocated_MipMapsStatus;
@@ -26,7 +26,6 @@ void GrTexture::dirtyMipMaps(bool mipMapsDirty, bool sRGBCorrect) {
     } else {
         const bool sizeChanged = kNotAllocated_MipMapsStatus == fMipMapsStatus;
         fMipMapsStatus = kValid_MipMapsStatus;
-        fMipMapsAreSRGBCorrect = sRGBCorrect;
         if (sizeChanged) {
             // This must not be called until after changing fMipMapsStatus.
             this->didChangeGpuMemorySize();
@@ -90,16 +89,15 @@ GrSurfaceOrigin resolve_origin(const GrSurfaceDesc& desc) {
 GrTexture::GrTexture(GrGpu* gpu, const GrSurfaceDesc& desc, GrSLType samplerType,
                      bool wasMipMapDataProvided)
     : INHERITED(gpu, desc)
-    , fSamplerType(samplerType) {
+    , fSamplerType(samplerType)
+    // Gamma treatment is explicitly set after creation via GrTexturePriv
+    , fGammaTreatment(SkSourceGammaTreatment::kIgnore) {
     if (wasMipMapDataProvided) {
         fMipMapsStatus = kValid_MipMapsStatus;
         fMaxMipMapLevel = SkMipMap::ComputeLevelCount(fDesc.fWidth, fDesc.fHeight);
-        // At the moment, the CPU code for generating mipmaps doesn't account for sRGB:
-        fMipMapsAreSRGBCorrect = false;
     } else {
         fMipMapsStatus = kNotAllocated_MipMapsStatus;
         fMaxMipMapLevel = 0;
-        fMipMapsAreSRGBCorrect = false;
     }
 }