bsalomon | c55271f | 2015-11-09 11:55:57 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 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 "GrImageIDTextureAdjuster.h" |
| 9 | |
| 10 | #include "SkBitmap.h" |
| 11 | #include "SkGrPriv.h" |
| 12 | #include "SkImage_Base.h" |
| 13 | |
| 14 | |
| 15 | GrBitmapTextureAdjuster::GrBitmapTextureAdjuster(const SkBitmap* bmp) |
| 16 | : INHERITED(bmp->getTexture(), SkIRect::MakeWH(bmp->width(), bmp->height())) |
| 17 | , fBmp(bmp) {} |
| 18 | |
| 19 | void GrBitmapTextureAdjuster::makeCopyKey(const CopyParams& params, GrUniqueKey* copyKey) { |
| 20 | if (fBmp->isVolatile()) { |
| 21 | return; |
| 22 | } |
| 23 | // The content area must represent the whole bitmap. Texture-backed bitmaps don't support |
| 24 | // extractSubset(). Therefore, either the bitmap and the texture are the same size or the |
| 25 | // content's dimensions are the bitmap's dimensions which is pinned to the upper left |
| 26 | // of the texture. |
| 27 | GrUniqueKey baseKey; |
| 28 | GrMakeKeyFromImageID(&baseKey, fBmp->getGenerationID(), |
| 29 | SkIRect::MakeWH(fBmp->width(), fBmp->height())); |
| 30 | MakeCopyKeyFromOrigKey(baseKey, params, copyKey); |
| 31 | } |
| 32 | |
| 33 | void GrBitmapTextureAdjuster::didCacheCopy(const GrUniqueKey& copyKey) { |
| 34 | GrInstallBitmapUniqueKeyInvalidator(copyKey, fBmp->pixelRef()); |
| 35 | } |
| 36 | |
| 37 | ////////////////////////////////////////////////////////////////////////////// |
| 38 | |
| 39 | GrImageTextureAdjuster::GrImageTextureAdjuster(const SkImage_Base* img) |
| 40 | : INHERITED(img->peekTexture(), SkIRect::MakeWH(img->width(), img->height())) |
| 41 | , fImageBase(img) {} |
| 42 | |
| 43 | void GrImageTextureAdjuster::makeCopyKey(const CopyParams& params, GrUniqueKey* copyKey) { |
| 44 | // By construction this texture adjuster always represents an entire SkImage, so use the |
| 45 | // image's width and height for the key's rectangle. |
| 46 | GrUniqueKey baseKey; |
| 47 | GrMakeKeyFromImageID(&baseKey, fImageBase->uniqueID(), |
| 48 | SkIRect::MakeWH(fImageBase->width(), fImageBase->height())); |
| 49 | MakeCopyKeyFromOrigKey(baseKey, params, copyKey); |
| 50 | } |
| 51 | |
| 52 | void GrImageTextureAdjuster::didCacheCopy(const GrUniqueKey& copyKey) { |
| 53 | // We don't currently have a mechanism for notifications on Images! |
| 54 | } |