1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "GrImageTextureMaker.h"
9
10 #include "GrContext.h"
11 #include "GrGpuResourcePriv.h"
12 #include "SkGr.h"
13 #include "SkImage_Base.h"
14 #include "SkImageCacherator.h"
15 #include "SkPixelRef.h"
16
cacher_is_alpha_only(const SkImageCacherator & cacher)17 static bool cacher_is_alpha_only(const SkImageCacherator& cacher) {
18 return kAlpha_8_SkColorType == cacher.info().colorType();
19 }
20
GrImageTextureMaker(GrContext * context,SkImageCacherator * cacher,const SkImage * client,SkImage::CachingHint chint)21 GrImageTextureMaker::GrImageTextureMaker(GrContext* context, SkImageCacherator* cacher,
22 const SkImage* client, SkImage::CachingHint chint)
23 : INHERITED(context, cacher->info().width(), cacher->info().height(),
24 cacher_is_alpha_only(*cacher))
25 , fCacher(cacher)
26 , fClient(client)
27 , fCachingHint(chint) {
28 if (client) {
29 GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(),
30 SkIRect::MakeWH(this->width(), this->height()));
31 }
32 }
33
refOriginalTextureProxy(bool willBeMipped,SkColorSpace * dstColorSpace)34 sk_sp<GrTextureProxy> GrImageTextureMaker::refOriginalTextureProxy(bool willBeMipped,
35 SkColorSpace* dstColorSpace) {
36 return fCacher->lockTextureProxy(this->context(), fOriginalKey, fClient, fCachingHint,
37 willBeMipped, dstColorSpace);
38 }
39
makeCopyKey(const CopyParams & stretch,GrUniqueKey * paramsCopyKey,SkColorSpace * dstColorSpace)40 void GrImageTextureMaker::makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey,
41 SkColorSpace* dstColorSpace) {
42 if (fOriginalKey.isValid() && SkImage::kAllow_CachingHint == fCachingHint) {
43 SkImageCacherator::CachedFormat cacheFormat =
44 fCacher->chooseCacheFormat(dstColorSpace, this->context()->caps());
45 GrUniqueKey cacheKey;
46 fCacher->makeCacheKeyFromOrigKey(fOriginalKey, cacheFormat, &cacheKey);
47 MakeCopyKeyFromOrigKey(cacheKey, stretch, paramsCopyKey);
48 }
49 }
50
didCacheCopy(const GrUniqueKey & copyKey)51 void GrImageTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) {
52 if (fClient) {
53 as_IB(fClient)->notifyAddedToCache();
54 }
55 }
56
alphaType() const57 SkAlphaType GrImageTextureMaker::alphaType() const {
58 return fCacher->info().alphaType();
59 }
getColorSpace(SkColorSpace * dstColorSpace)60 sk_sp<SkColorSpace> GrImageTextureMaker::getColorSpace(SkColorSpace* dstColorSpace) {
61 return fCacher->getColorSpace(this->context(), dstColorSpace);
62 }
63