get genmipmap function in the struct

include/gpu/GrTexture.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTexture_DEFINED
 #define GrTexture_DEFINED
@@ skipping 25 matching lines @@
 
     void setFlag(GrTextureFlags flags) {
         fDesc.fFlags = fDesc.fFlags | flags;
     }
     void resetFlag(GrTextureFlags flags) {
         fDesc.fFlags = fDesc.fFlags & ~flags;
     }
     bool isSetFlag(GrTextureFlags flags) const {
         return 0 != (fDesc.fFlags & flags);
     }
+    
+    void dirtyMipMaps(bool mipMapsDirty) {
+        fMipMapsDirty = mipMapsDirty;
+    }
+    
+    bool mipMapsAreDirty() const {
+        return fMipMapsDirty;
+    }
 
     /**
      *  Approximate number of bytes used by the texture
      */
     virtual size_t sizeInBytes() const SK_OVERRIDE {
         return (size_t) fDesc.fWidth *
                         fDesc.fHeight *
                         GrBytesPerPixel(fDesc.fConfig);
     }
 
@@ skipping 73 matching lines @@
     static bool NeedsResizing(const GrResourceKey& key);
     static bool NeedsBilerp(const GrResourceKey& key);
 
 protected:
     // A texture refs its rt representation but not vice-versa. It is up to
     // the subclass constructor to initialize this pointer.
     SkAutoTUnref<GrRenderTarget> fRenderTarget;
 
     GrTexture(GrGpu* gpu, bool isWrapped, const GrTextureDesc& desc)
     : INHERITED(gpu, isWrapped, desc)
-    , fRenderTarget(NULL) {
+    , fRenderTarget(NULL) 
+    , fMipMapsDirty(true) {
 
         // only make sense if alloc size is pow2
         fShiftFixedX = 31 - SkCLZ(fDesc.fWidth);
         fShiftFixedY = 31 - SkCLZ(fDesc.fHeight);
     }
     virtual ~GrTexture();
 
     // GrResource overrides
     virtual void onRelease() SK_OVERRIDE;
     virtual void onAbandon() SK_OVERRIDE;
 
     void validateDesc() const;
 
 private:
     // these two shift a fixed-point value into normalized coordinates
     // for this texture if the texture is power of two sized.
     int                 fShiftFixedX;
     int                 fShiftFixedY;
+    
+    bool                fMipMapsDirty;
 
     virtual void internal_dispose() const SK_OVERRIDE;
 
     typedef GrSurface INHERITED;
 };
 
 /**
  * Represents a texture that is intended to be accessed in device coords with an offset.
  */
 class GrDeviceCoordTexture {
@@ skipping 25 matching lines @@
     GrTexture* setTexture(GrTexture* texture) {
         fTexture.reset(SkSafeRef(texture));
         return texture;
     }
 private:
     SkAutoTUnref<GrTexture> fTexture;
     SkIPoint                fOffset;
 };
 
 #endif