pin as texture 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 369 matching lines @@
   offset->fX += outSubset->x();
   offset->fY += outSubset->y();
   // This isn't really a "tight" subset, but includes any texture padding.
   return result->makeTightSubset(fullSize);
 }
 
 bool SkImage::isLazyGenerated() const {
     return as_IB(this)->onIsLazyGenerated();
 }
 
+void SkImage::pinAsTexture(GrContext* ctx) const {
+    SkASSERT(ctx);
+    as_IB(this)->onPinAsTexture(ctx);
+}
+
+void SkImage::unpinAsTexture(GrContext* ctx) const {
+    SkASSERT(ctx);
+    as_IB(this)->onUnpinAsTexture(ctx);
+}
+
 //////////////////////////////////////////////////////////////////////////////////////
 
 #if !SK_SUPPORT_GPU
 
 sk_sp<SkImage> SkImage::MakeTextureFromPixmap(GrContext*, const SkPixmap&, SkBudgeted budgeted) {
     return nullptr;
 }
 
 sk_sp<SkImage> SkImage::MakeFromTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType,
                                         sk_sp<SkColorSpace>, TextureReleaseProc, ReleaseContext) {
@@ skipping 104 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 #include "SkImageDeserializer.h"
 
 sk_sp<SkImage> SkImageDeserializer::makeFromData(SkData* data, const SkIRect* subset) {
     return SkImage::MakeFromEncoded(sk_ref_sp(data), subset);
 }
 sk_sp<SkImage> SkImageDeserializer::makeFromMemory(const void* data, size_t length,
                                                    const SkIRect* subset) {
     return SkImage::MakeFromEncoded(SkData::MakeWithCopy(data, length), subset);
 }