sk_sp<SkImage> SkSurface_Gpu::onNewImageSnapshot() { GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); if (!rtc) { return nullptr; } GrContext* ctx = fDevice->context(); if (!rtc->asSurfaceProxy()) { return nullptr; } SkBudgeted budgeted = rtc->asSurfaceProxy()->isBudgeted(); sk_sp<GrTextureProxy> srcProxy = rtc->asTextureProxyRef(); // If the original render target is a buffer originally created by the client, then we don't // want to ever retarget the SkSurface at another buffer we create. Force a copy now to avoid // copy-on-write. if (!srcProxy || rtc->priv().refsWrappedObjects()) { SkASSERT(rtc->origin() == rtc->asSurfaceProxy()->origin()); srcProxy = GrSurfaceProxy::Copy(ctx, rtc->asSurfaceProxy(), rtc->mipMapped(), budgeted); } const SkImageInfo info = fDevice->imageInfo(); sk_sp<SkImage> image; if (srcProxy) { // The renderTargetContext coming out of SkGpuDevice should always be exact and the // above copy creates a kExact surfaceContext. SkASSERT(srcProxy->priv().isExact()); image = sk_make_sp<SkImage_Gpu>(ctx, kNeedNewImageUniqueID, info.alphaType(), std::move(srcProxy), info.refColorSpace(), budgeted); } return image; }