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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.
*/
#include "GrImageTextureMaker.h"
#include "GrContext.h"
#include "GrGpuResourcePriv.h"
#include "SkGrPriv.h"
#include "SkImage_Base.h"
#include "SkImageCacherator.h"
#include "SkPixelRef.h"
static bool cacher_is_alpha_only(const SkImageCacherator& cacher) {
return kAlpha_8_SkColorType == cacher.info().colorType();
}
GrImageTextureMaker::GrImageTextureMaker(GrContext* context, SkImageCacherator* cacher,
const SkImage* client, SkImage::CachingHint chint)
: INHERITED(context, cacher->info().width(), cacher->info().height(),
cacher_is_alpha_only(*cacher))
, fCacher(cacher)
, fClient(client)
, fCachingHint(chint) {
if (client) {
GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(),
SkIRect::MakeWH(this->width(), this->height()));
}
}
GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped, SkColorSpace* dstColorSpace) {
return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped,
dstColorSpace);
}
void GrImageTextureMaker::makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey,
SkColorSpace* dstColorSpace) {
if (fOriginalKey.isValid() && SkImage::kAllow_CachingHint == fCachingHint) {
SkImageCacherator::CachedFormat cacheFormat =
fCacher->chooseCacheFormat(dstColorSpace, this->context()->caps());
GrUniqueKey cacheKey;
fCacher->makeCacheKeyFromOrigKey(fOriginalKey, cacheFormat, &cacheKey);
MakeCopyKeyFromOrigKey(cacheKey, stretch, paramsCopyKey);
}
}
void GrImageTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) {
if (fClient) {
as_IB(fClient)->notifyAddedToCache();
}
}
SkAlphaType GrImageTextureMaker::alphaType() const {
return fCacher->info().alphaType();
}
sk_sp<SkColorSpace> GrImageTextureMaker::getColorSpace(SkColorSpace* dstColorSpace) {
return fCacher->getColorSpace(this->context(), dstColorSpace);
}
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