Add deferred texture upload API.

src/image/SkImage.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkBitmapCache.h"
 #include "SkCanvas.h"
@@ skipping 341 matching lines @@
 
 sk_sp<SkImage> SkImage::MakeTextureFromPixmap(GrContext*, const SkPixmap&, SkBudgeted budgeted) {
     return nullptr;
 }
 
 sk_sp<SkImage> SkImage::MakeFromTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType,
                                         TextureReleaseProc, ReleaseContext) {
     return nullptr;
 }
 
+size_t SkImage::getDeferredTextureImageData(const GrContextThreadSafeProxy&,
+                                            const DeferredTextureImageUsageParams[],
+                                            int paramCnt, void* buffer) const {
+    return 0;
+}
+
+sk_sp<SkImage> SkImage::MakeFromDeferredTextureImageData(GrContext* context, const void*,
+                                                         SkBudgeted) {
+    return nullptr;
+}
+
 sk_sp<SkImage> SkImage::MakeFromAdoptedTexture(GrContext*, const GrBackendTextureDesc&,
                                                SkAlphaType) {
     return nullptr;
 }
 
 sk_sp<SkImage> SkImage::MakeFromTextureCopy(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return nullptr;
 }
 
 sk_sp<SkImage> SkImage::MakeFromYUVTexturesCopy(GrContext* ctx, SkYUVColorSpace space,
@@ skipping 62 matching lines @@
 
 SkImage* SkImage::NewFromPicture(const SkPicture* picture, const SkISize& dimensions,
                                  const SkMatrix* matrix, const SkPaint* paint) {
     return MakeFromPicture(sk_ref_sp(const_cast<SkPicture*>(picture)), dimensions,
                                      matrix, paint).release();
 }
 
 SkImage* SkImage::NewTextureFromPixmap(GrContext* ctx, const SkPixmap& pmap, SkBudgeted budgeted) {
     return MakeTextureFromPixmap(ctx, pmap, budgeted).release();
 }
+
+SkImage* SkImage::NewFromDeferredTextureImageData(GrContext* ctx, const void* data,
+                                                  SkBudgeted budgeted) {
+    return MakeFromDeferredTextureImageData(ctx, data, budgeted).release();
+}
 #endif