| /* |
| * 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 |