| /* |
| * 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 "GrBitmapTextureMaker.h" |
| |
| #include "GrContext.h" |
| #include "GrGpuResourcePriv.h" |
| #include "GrResourceProvider.h" |
| #include "SkBitmap.h" |
| #include "SkGr.h" |
| #include "SkPixelRef.h" |
| |
| static bool bmp_is_alpha_only(const SkBitmap& bm) { return kAlpha_8_SkColorType == bm.colorType(); } |
| |
| GrBitmapTextureMaker::GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap) |
| : INHERITED(context, bitmap.width(), bitmap.height(), bmp_is_alpha_only(bitmap)) |
| , fBitmap(bitmap) { |
| if (!bitmap.isVolatile()) { |
| SkIPoint origin = bitmap.pixelRefOrigin(); |
| SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, bitmap.width(), |
| bitmap.height()); |
| GrMakeKeyFromImageID(&fOriginalKey, bitmap.pixelRef()->getGenerationID(), subset); |
| } |
| } |
| |
| sk_sp<GrTextureProxy> GrBitmapTextureMaker::refOriginalTextureProxy(bool willBeMipped, |
| SkColorSpace* dstColorSpace, |
| AllowedTexGenType onlyIfFast) { |
| if (AllowedTexGenType::kCheap == onlyIfFast) { |
| return nullptr; |
| } |
| |
| sk_sp<GrTextureProxy> proxy; |
| |
| if (fOriginalKey.isValid()) { |
| proxy = this->context()->resourceProvider()->findProxyByUniqueKey(fOriginalKey); |
| if (proxy) { |
| return proxy; |
| } |
| } |
| if (willBeMipped) { |
| proxy = GrGenerateMipMapsAndUploadToTextureProxy(this->context(), fBitmap, dstColorSpace); |
| } |
| if (!proxy) { |
| proxy = GrUploadBitmapToTextureProxy(this->context()->resourceProvider(), fBitmap, |
| dstColorSpace); |
| } |
| if (proxy && fOriginalKey.isValid()) { |
| this->context()->resourceProvider()->assignUniqueKeyToProxy(fOriginalKey, proxy.get()); |
| // MDB TODO (caching): this has to play nice with the GrSurfaceProxy's caching |
| GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef()); |
| } |
| return proxy; |
| } |
| |
| void GrBitmapTextureMaker::makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey, |
| SkColorSpace* dstColorSpace) { |
| // Destination color space is irrelevant - we always upload the bitmap's contents as-is |
| if (fOriginalKey.isValid()) { |
| MakeCopyKeyFromOrigKey(fOriginalKey, copyParams, copyKey); |
| } |
| } |
| |
| void GrBitmapTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) { |
| GrInstallBitmapUniqueKeyInvalidator(copyKey, fBitmap.pixelRef()); |
| } |
| |
| SkAlphaType GrBitmapTextureMaker::alphaType() const { |
| return fBitmap.alphaType(); |
| } |
| |
| sk_sp<SkColorSpace> GrBitmapTextureMaker::getColorSpace(SkColorSpace* dstColorSpace) { |
| // Color space doesn't depend on destination color space - it's just whatever is in the bitmap |
| return fBitmap.refColorSpace(); |
| } |