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/*
* Copyright 2013 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImageFilterUtils_DEFINED
#define SkImageFilterUtils_DEFINED
#if SK_SUPPORT_GPU
#include "SkImageFilter.h"
class SkBitmap;
class GrTexture;
class SkImageFilter;
class SK_API SkImageFilterUtils {
public:
/**
* Wrap the given texture in a texture-backed SkBitmap.
*/
static bool WrapTexture(GrTexture* texture, int width, int height, SkBitmap* result);
/**
* Recursively evaluate the given filter on the GPU. If filter is NULL,
* this function returns src. If the filter has no GPU implementation, it
* will be processed in software and uploaded to the GPU.
*/
static bool GetInputResultGPU(SkImageFilter* filter, SkImageFilter::Proxy* proxy,
const SkBitmap& src, const SkMatrix& ctm, SkBitmap* result,
SkIPoint* offset);
};
#endif
#endif
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