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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.
*/
#include "SkMatrix.h"
#if SK_SUPPORT_GPU
#include "GrTexture.h"
#include "SkImageFilterUtils.h"
#include "SkBitmap.h"
#include "SkGrPixelRef.h"
#include "SkGr.h"
bool SkImageFilterUtils::WrapTexture(GrTexture* texture, int width, int height, SkBitmap* result) {
SkASSERT(texture->config() == kSkia8888_GrPixelConfig);
result->setConfig(SkBitmap::kARGB_8888_Config, width, height);
result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (texture)))->unref();
return true;
}
bool SkImageFilterUtils::GetInputResultGPU(SkImageFilter* filter, SkImageFilter::Proxy* proxy, const SkBitmap& src, SkBitmap* result) {
if (!filter) {
*result = src;
return true;
} else if (filter->canFilterImageGPU()) {
return filter->filterImageGPU(proxy, src, result);
} else {
SkIPoint offset;
if (filter->filterImage(proxy, src, SkMatrix(), result, &offset)) {
if (!result->getTexture()) {
GrContext* context = ((GrTexture *) src.getTexture())->getContext();
GrTexture* resultTex = GrLockAndRefCachedBitmapTexture(context,
*result, NULL);
result->setPixelRef(new SkGrPixelRef(resultTex))->unref();
GrUnlockAndUnrefCachedBitmapTexture(resultTex);
}
return true;
} else {
return false;
}
}
}
#endif
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