1 files changed, 45 insertions, 0 deletions
diff --git a/src/gpu/GrImageTextureMaker.h b/src/gpu/GrImageTextureMaker.h
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+++ b/src/gpu/GrImageTextureMaker.h
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+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrImageTextureMaker_DEFINED
+#define GrImageTextureMaker_DEFINED
+
+#include "GrTextureParamsAdjuster.h"
+#include "SkImage.h"
+
+class SkImageCacherator;
+
+/** This class manages the conversion of generator-backed images to GrTextures. If the caching hint
+    is kAllow the image's ID is used for the cache key. */
+class GrImageTextureMaker : public GrTextureMaker {
+public:
+    GrImageTextureMaker(GrContext* context, SkImageCacherator* cacher, const SkImage* client,
+                        SkImage::CachingHint chint);
+
+protected:
+    // TODO: consider overriding this, for the case where the underlying generator might be
+    //       able to efficiently produce a "stretched" texture natively (e.g. picture-backed)
+    //          GrTexture* generateTextureForParams(const CopyParams&) override;
+
+    GrTexture* refOriginalTexture(bool willBeMipped, SkDestinationSurfaceColorMode) override;
+    void makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey,
+                     SkDestinationSurfaceColorMode colorMode) override;
+    void didCacheCopy(const GrUniqueKey& copyKey) override;
+
+    SkAlphaType alphaType() const override;
+    sk_sp<SkColorSpace> getColorSpace(SkDestinationSurfaceColorMode) override;
+
+private:
+    SkImageCacherator*      fCacher;
+    const SkImage*          fClient;
+    GrUniqueKey             fOriginalKey;
+    SkImage::CachingHint    fCachingHint;
+
+    typedef GrTextureMaker INHERITED;
+};
+
+#endif