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 45337ddb3cae4ec793cbaeca6551f2db1e9c5e4a..832b3b77ca3270f5a1e912e47bf91382daa5bea3 100644
--- a/src/gpu/gl/GrGLGpu.h
+++ b/src/gpu/gl/GrGLGpu.h
@@ -21,6 +21,8 @@
 #include "GrGpu.h"
 #include "GrPipelineBuilder.h"
 #include "GrXferProcessor.h"
+#include "SkMipMapLevel.h"
+#include "SkTArray.h"
 #include "SkTypes.h"
 
 class GrPipeline;
@@ -124,10 +126,11 @@ private:
     void onResetContext(uint32_t resetBits) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
-                               const void* srcData, size_t rowBytes) override;
+                               SkTArray<SkMipMapLevel>& texels) override;
     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc,
                                          GrGpuResource::LifeCycle lifeCycle,
-                                         const void* srcData) override;
+                                         SkTArray<SkMipMapLevel>& texels) override;
+
     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
     GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
@@ -151,8 +154,8 @@ private:
 
     bool onWriteTexturePixels(GrTexture* texture,
                               int left, int top, int width, int height,
-                              GrPixelConfig config, const void* buffer,
-                              size_t rowBytes) override;
+                              GrPixelConfig config,
+                              SkTArray<SkMipMapLevel>& texels) override;
 
     void onResolveRenderTarget(GrRenderTarget* target) override;
 
@@ -276,8 +279,7 @@ private:
                        bool isNewTexture,
                        int left, int top, int width, int height,
                        GrPixelConfig dataConfig,
-                       const void* data,
-                       size_t rowBytes);
+                       SkTArray<SkMipMapLevel>& texels);
 
     // helper for onCreateCompressedTexture. If width and height are
     // set to -1, then this function will use desc.fWidth and desc.fHeight
@@ -286,7 +288,7 @@ private:
     // the texture is already in GPU memory and that it's going to be updated
     // with new data.
     bool uploadCompressedTexData(const GrSurfaceDesc& desc,
-                                 const void* data,
+                                 const SkTArray<SkMipMapLevel>& texels,
                                  bool isNewTexture = true,
                                  int left = 0, int top = 0,
                                  int width = -1, int height = -1);