Creating functions for uploading a mipmapped texture.

include/gpu/GrTypes.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypes_DEFINED
 #define GrTypes_DEFINED
 
@@ skipping 414 matching lines @@
 /**
  * Describes a surface to be created.
  */
 struct GrSurfaceDesc {
     GrSurfaceDesc()
     : fFlags(kNone_GrSurfaceFlags)
     , fOrigin(kDefault_GrSurfaceOrigin)
     , fWidth(0)
     , fHeight(0)
     , fConfig(kUnknown_GrPixelConfig)
-    , fSampleCnt(0) {
+    , fSampleCnt(0)
+    , fIsMipMapped(false) {
     }
 
     GrSurfaceFlags         fFlags;  //!< bitfield of TextureFlags
     GrSurfaceOrigin        fOrigin; //!< origin of the texture
     int                    fWidth;  //!< Width of the texture
     int                    fHeight; //!< Height of the texture
 
     /**
      * Format of source data of the texture. Not guaranteed to be the same as
      * internal format used by 3D API.
      */
     GrPixelConfig          fConfig;
 
     /**
      * The number of samples per pixel or 0 to disable full scene AA. This only
      * applies if the kRenderTarget_GrSurfaceFlag is set. The actual number
      * of samples may not exactly match the request. The request will be rounded
      * up to the next supported sample count, or down if it is larger than the
      * max supported count.
      */
     int                    fSampleCnt;
+
+    bool                   fIsMipMapped; //!< Indicates if the texture has mipmaps
 };
 
 // Legacy alias
 typedef GrSurfaceDesc GrTextureDesc;
 
 /**
  * Clips are composed from these objects.
  */
 enum GrClipType {
     kRect_ClipType,
@@ skipping 151 matching lines @@
             return 4 * width * height;
     }
 }
 
 /**
  * This value translates to reseting all the context state for any backend.
  */
 static const uint32_t kAll_GrBackendState = 0xffffffff;
 
 #endif