Creating functions for uploading a mipmapped texture.

src/gpu/gl/GrGLGpu.h

Index: src/gpu/gl/GrGLGpu.h
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h
index 255952020383a6c432c97916f62986987fe6e1f2..892e95e45d04e5704b84acb7d6ce2eba5f392816 100644
--- a/src/gpu/gl/GrGLGpu.h
+++ b/src/gpu/gl/GrGLGpu.h
@@ -20,7 +20,9 @@
 #include "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
+#include "SkMipMapLevel.h"
 #include "GrPipelineBuilder.h"
+#include "SkTArray.h"
 #include "GrXferProcessor.h"
 #include "SkTypes.h"
 
@@ -64,7 +66,7 @@ public:
                              ReadPixelTempDrawInfo*) override;
 
     bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
-                              size_t rowBytes, GrPixelConfig srcConfig, DrawPreference*,
+                              GrPixelConfig srcConfig, DrawPreference*,
                               WritePixelTempDrawInfo*) override;
 
     bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override;
@@ -143,10 +145,11 @@ private:
     void xferBarrier(GrRenderTarget*, GrXferBarrierType) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
-                               const void* srcData, size_t rowBytes) override;
+                               const SkTArray<SkMipMapLevel>& texels) override;
     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc,
                                          GrGpuResource::LifeCycle lifeCycle,
-                                         const void* srcData) override;
+                                         const SkTArray<SkMipMapLevel>& texels) override;
+
     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
     GrTransferBuffer* onCreateTransferBuffer(size_t size, TransferType type) override;
@@ -173,8 +176,8 @@ private:
 
     bool onWritePixels(GrSurface*,
                        int left, int top, int width, int height,
-                       GrPixelConfig config, const void* buffer,
-                       size_t rowBytes) override;
+                       GrPixelConfig config,
+                       const SkTArray<SkMipMapLevel>& texels) override;
 
     bool onTransferPixels(GrSurface*,
                           int left, int top, int width, int height,
@@ -302,8 +305,7 @@ private:
                        UploadType uploadType,
                        int left, int top, int width, int height,
                        GrPixelConfig dataConfig,
-                       const void* data,
-                       size_t rowBytes);
+                       const SkTArray<SkMipMapLevel>& texels);
 
     // helper for onCreateCompressedTexture. If width and height are
     // set to -1, then this function will use desc.fWidth and desc.fHeight
@@ -313,7 +315,7 @@ private:
     // with new data.
     bool uploadCompressedTexData(const GrSurfaceDesc& desc,
                                  GrGLenum target,
-                                 const void* data,
+                                 const SkTArray<SkMipMapLevel>& texels,
                                  UploadType uploadType = kNewTexture_UploadType,
                                  int left = 0, int top = 0,
                                  int width = -1, int height = -1);