1 files changed, 38 insertions, 0 deletions
diff --git a/src/gpu/GrBitmapTextureMaker.h b/src/gpu/GrBitmapTextureMaker.h
new file mode 100644
index 0000000000..f66f20ce56
--- /dev/null
+++ b/src/gpu/GrBitmapTextureMaker.h
@@ -0,0 +1,38 @@
+/*
+ * 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 GrBitmapTextureMaker_DEFINED
+#define GrBitmapTextureMaker_DEFINED
+
+#include "GrTextureParamsAdjuster.h"
+
+/** This class manages the conversion of SW-backed bitmaps to GrTextures. If the input bitmap is
+    non-volatile the texture is cached using a key created from the pixels' image id and the
+    subset of the pixelref specified by the bitmap. */
+class GrBitmapTextureMaker : public GrTextureMaker {
+public:
+    GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap);
+
+protected:
+    GrTexture* refOriginalTexture(bool willBeMipped, SkDestinationSurfaceColorMode) override;
+
+    void makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey,
+                     SkDestinationSurfaceColorMode colorMode) override;
+
+    void didCacheCopy(const GrUniqueKey& copyKey) override;
+
+    SkAlphaType alphaType() const override;
+    sk_sp<SkColorSpace> getColorSpace(SkDestinationSurfaceColorMode) override;
+
+private:
+    const SkBitmap  fBitmap;
+    GrUniqueKey     fOriginalKey;
+
+    typedef GrTextureMaker INHERITED;
+};
+
+#endif