| /* |
| * 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 "GrSurfaceProxy.h" |
| #include "GrSurfaceProxyPriv.h" |
| |
| #include "GrCaps.h" |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrGpuResourcePriv.h" |
| #include "GrOpList.h" |
| #include "GrProxyProvider.h" |
| #include "GrSurfaceContext.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTexturePriv.h" |
| #include "GrTextureRenderTargetProxy.h" |
| |
| #include "SkMathPriv.h" |
| #include "SkMipMap.h" |
| |
| #ifdef SK_DEBUG |
| #include "GrRenderTarget.h" |
| #include "GrRenderTargetPriv.h" |
| |
| static bool is_valid_fully_lazy(const GrSurfaceDesc& desc, SkBackingFit fit) { |
| return desc.fWidth <= 0 && |
| desc.fHeight <= 0 && |
| desc.fConfig != kUnknown_GrPixelConfig && |
| desc.fSampleCnt == 1 && |
| SkBackingFit::kApprox == fit; |
| } |
| |
| static bool is_valid_partially_lazy(const GrSurfaceDesc& desc) { |
| return ((desc.fWidth > 0 && desc.fHeight > 0) || |
| (desc.fWidth <= 0 && desc.fHeight <= 0)) && |
| desc.fConfig != kUnknown_GrPixelConfig; |
| } |
| |
| static bool is_valid_non_lazy(const GrSurfaceDesc& desc) { |
| return desc.fWidth > 0 && |
| desc.fHeight > 0 && |
| desc.fConfig != kUnknown_GrPixelConfig; |
| } |
| #endif |
| |
| // Lazy-callback version |
| GrSurfaceProxy::GrSurfaceProxy(LazyInstantiateCallback&& callback, LazyInstantiationType lazyType, |
| const GrSurfaceDesc& desc, GrSurfaceOrigin origin, SkBackingFit fit, |
| SkBudgeted budgeted, GrInternalSurfaceFlags surfaceFlags) |
| : fSurfaceFlags(surfaceFlags) |
| , fConfig(desc.fConfig) |
| , fWidth(desc.fWidth) |
| , fHeight(desc.fHeight) |
| , fOrigin(origin) |
| , fFit(fit) |
| , fBudgeted(budgeted) |
| , fLazyInstantiateCallback(std::move(callback)) |
| , fLazyInstantiationType(lazyType) |
| , fNeedsClear(SkToBool(desc.fFlags & kPerformInitialClear_GrSurfaceFlag)) |
| , fGpuMemorySize(kInvalidGpuMemorySize) |
| , fLastOpList(nullptr) { |
| // NOTE: the default fUniqueID ctor pulls a value from the same pool as the GrGpuResources. |
| if (fLazyInstantiateCallback) { |
| SkASSERT(is_valid_fully_lazy(desc, fit) || is_valid_partially_lazy(desc)); |
| } else { |
| SkASSERT(is_valid_non_lazy(desc)); |
| } |
| } |
| |
| // Wrapped version |
| GrSurfaceProxy::GrSurfaceProxy(sk_sp<GrSurface> surface, GrSurfaceOrigin origin, SkBackingFit fit) |
| : INHERITED(std::move(surface)) |
| , fSurfaceFlags(fTarget->surfacePriv().flags()) |
| , fConfig(fTarget->config()) |
| , fWidth(fTarget->width()) |
| , fHeight(fTarget->height()) |
| , fOrigin(origin) |
| , fFit(fit) |
| , fBudgeted(fTarget->resourcePriv().isBudgeted()) |
| , fUniqueID(fTarget->uniqueID()) // Note: converting from unique resource ID to a proxy ID! |
| , fNeedsClear(false) |
| , fGpuMemorySize(kInvalidGpuMemorySize) |
| , fLastOpList(nullptr) { |
| } |
| |
| GrSurfaceProxy::~GrSurfaceProxy() { |
| if (fLazyInstantiateCallback) { |
| // We call the callback with a null GrResourceProvider to signal that the lambda should |
| // clean itself up if it is holding onto any captured objects. |
| this->fLazyInstantiateCallback(nullptr); |
| } |
| // For this to be deleted the opList that held a ref on it (if there was one) must have been |
| // deleted. Which would have cleared out this back pointer. |
| SkASSERT(!fLastOpList); |
| } |
| |
| bool GrSurfaceProxyPriv::AttachStencilIfNeeded(GrResourceProvider* resourceProvider, |
| GrSurface* surface, bool needsStencil) { |
| if (needsStencil) { |
| GrRenderTarget* rt = surface->asRenderTarget(); |
| if (!rt) { |
| SkASSERT(0); |
| return false; |
| } |
| |
| if (!resourceProvider->attachStencilAttachment(rt)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| sk_sp<GrSurface> GrSurfaceProxy::createSurfaceImpl( |
| GrResourceProvider* resourceProvider, |
| int sampleCnt, bool needsStencil, |
| GrSurfaceDescFlags descFlags, GrMipMapped mipMapped) const { |
| SkASSERT(GrSurfaceProxy::LazyState::kNot == this->lazyInstantiationState()); |
| SkASSERT(!fTarget); |
| GrSurfaceDesc desc; |
| desc.fFlags = descFlags; |
| if (fNeedsClear) { |
| desc.fFlags |= kPerformInitialClear_GrSurfaceFlag; |
| } |
| desc.fWidth = fWidth; |
| desc.fHeight = fHeight; |
| desc.fConfig = fConfig; |
| desc.fSampleCnt = sampleCnt; |
| |
| GrResourceProvider::Flags resourceProviderFlags = GrResourceProvider::kNone_Flag; |
| if (fSurfaceFlags & GrInternalSurfaceFlags::kNoPendingIO) { |
| resourceProviderFlags = GrResourceProvider::kNoPendingIO_Flag; |
| } |
| |
| sk_sp<GrSurface> surface; |
| if (GrMipMapped::kYes == mipMapped) { |
| SkASSERT(SkBackingFit::kExact == fFit); |
| |
| // SkMipMap doesn't include the base level in the level count so we have to add 1 |
| int mipCount = SkMipMap::ComputeLevelCount(desc.fWidth, desc.fHeight) + 1; |
| // We should have caught the case where mipCount == 1 when making the proxy and instead |
| // created a non-mipmapped proxy. |
| SkASSERT(mipCount > 1); |
| std::unique_ptr<GrMipLevel[]> texels(new GrMipLevel[mipCount]); |
| |
| // We don't want to upload any texel data |
| for (int i = 0; i < mipCount; i++) { |
| texels[i].fPixels = nullptr; |
| texels[i].fRowBytes = 0; |
| } |
| |
| surface = resourceProvider->createTexture(desc, fBudgeted, texels.get(), mipCount, |
| SkDestinationSurfaceColorMode::kLegacy); |
| if (surface) { |
| SkASSERT(surface->asTexture()); |
| SkASSERT(GrMipMapped::kYes == surface->asTexture()->texturePriv().mipMapped()); |
| } |
| } else { |
| if (SkBackingFit::kApprox == fFit) { |
| surface = resourceProvider->createApproxTexture(desc, resourceProviderFlags); |
| } else { |
| surface = resourceProvider->createTexture(desc, fBudgeted, resourceProviderFlags); |
| } |
| } |
| if (!surface) { |
| return nullptr; |
| } |
| |
| if (!GrSurfaceProxyPriv::AttachStencilIfNeeded(resourceProvider, surface.get(), needsStencil)) { |
| return nullptr; |
| } |
| |
| return surface; |
| } |
| |
| void GrSurfaceProxy::assign(sk_sp<GrSurface> surface) { |
| SkASSERT(!fTarget && surface); |
| |
| // Check that our a priori computation matched the ultimate reality |
| // DDL TODO: re-enable this after skbug.com/7748 (Add FBO-0-ness to SkSurfaceCharacterization) |
| // is fixed. |
| // SkASSERT((fSurfaceFlags & ~GrInternalSurfaceFlags::kNoPendingIO) == |
| // surface->surfacePriv().flags()); |
| |
| fTarget = surface.release(); |
| |
| this->INHERITED::transferRefs(); |
| |
| #ifdef SK_DEBUG |
| if (this->asRenderTargetProxy()) { |
| SkASSERT(fTarget->asRenderTarget()); |
| if (this->asRenderTargetProxy()->needsStencil()) { |
| SkASSERT(fTarget->asRenderTarget()->renderTargetPriv().getStencilAttachment()); |
| } |
| } |
| |
| if (kInvalidGpuMemorySize != this->getRawGpuMemorySize_debugOnly()) { |
| SkASSERT(fTarget->gpuMemorySize() <= this->getRawGpuMemorySize_debugOnly()); |
| } |
| #endif |
| } |
| |
| bool GrSurfaceProxy::instantiateImpl(GrResourceProvider* resourceProvider, int sampleCnt, |
| bool needsStencil, GrSurfaceDescFlags descFlags, |
| GrMipMapped mipMapped, const GrUniqueKey* uniqueKey) { |
| SkASSERT(LazyState::kNot == this->lazyInstantiationState()); |
| if (fTarget) { |
| if (uniqueKey) { |
| SkASSERT(fTarget->getUniqueKey() == *uniqueKey); |
| } |
| return GrSurfaceProxyPriv::AttachStencilIfNeeded(resourceProvider, fTarget, needsStencil); |
| } |
| |
| sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, sampleCnt, needsStencil, |
| descFlags, mipMapped); |
| if (!surface) { |
| return false; |
| } |
| |
| // If there was an invalidation message pending for this key, we might have just processed it, |
| // causing the key (stored on this proxy) to become invalid. |
| if (uniqueKey && uniqueKey->isValid()) { |
| resourceProvider->assignUniqueKeyToResource(*uniqueKey, surface.get()); |
| } |
| |
| this->assign(std::move(surface)); |
| |
| return true; |
| } |
| |
| void GrSurfaceProxy::deInstantiate() { |
| SkASSERT(this->priv().isInstantiated()); |
| |
| this->release(); |
| } |
| |
| |
| void GrSurfaceProxy::computeScratchKey(GrScratchKey* key) const { |
| SkASSERT(LazyState::kFully != this->lazyInstantiationState()); |
| const GrRenderTargetProxy* rtp = this->asRenderTargetProxy(); |
| int sampleCount = 1; |
| if (rtp) { |
| sampleCount = rtp->numStencilSamples(); |
| } |
| |
| const GrTextureProxy* tp = this->asTextureProxy(); |
| GrMipMapped mipMapped = GrMipMapped::kNo; |
| if (tp) { |
| mipMapped = tp->mipMapped(); |
| } |
| |
| int width = this->worstCaseWidth(); |
| int height = this->worstCaseHeight(); |
| |
| GrTexturePriv::ComputeScratchKey(this->config(), width, height, SkToBool(rtp), sampleCount, |
| mipMapped, key); |
| } |
| |
| void GrSurfaceProxy::setLastOpList(GrOpList* opList) { |
| #ifdef SK_DEBUG |
| if (fLastOpList) { |
| SkASSERT(fLastOpList->isClosed()); |
| } |
| #endif |
| |
| // Un-reffed |
| fLastOpList = opList; |
| } |
| |
| GrRenderTargetOpList* GrSurfaceProxy::getLastRenderTargetOpList() { |
| return fLastOpList ? fLastOpList->asRenderTargetOpList() : nullptr; |
| } |
| |
| GrTextureOpList* GrSurfaceProxy::getLastTextureOpList() { |
| return fLastOpList ? fLastOpList->asTextureOpList() : nullptr; |
| } |
| |
| int GrSurfaceProxy::worstCaseWidth() const { |
| SkASSERT(LazyState::kFully != this->lazyInstantiationState()); |
| if (fTarget) { |
| return fTarget->width(); |
| } |
| |
| if (SkBackingFit::kExact == fFit) { |
| return fWidth; |
| } |
| return SkTMax(GrResourceProvider::kMinScratchTextureSize, GrNextPow2(fWidth)); |
| } |
| |
| int GrSurfaceProxy::worstCaseHeight() const { |
| SkASSERT(LazyState::kFully != this->lazyInstantiationState()); |
| if (fTarget) { |
| return fTarget->height(); |
| } |
| |
| if (SkBackingFit::kExact == fFit) { |
| return fHeight; |
| } |
| return SkTMax(GrResourceProvider::kMinScratchTextureSize, GrNextPow2(fHeight)); |
| } |
| |
| #ifdef SK_DEBUG |
| void GrSurfaceProxy::validate(GrContext* context) const { |
| if (fTarget) { |
| SkASSERT(fTarget->getContext() == context); |
| } |
| |
| INHERITED::validate(); |
| } |
| #endif |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::Copy(GrContext* context, |
| GrSurfaceProxy* src, |
| GrMipMapped mipMapped, |
| SkIRect srcRect, |
| SkBudgeted budgeted) { |
| SkASSERT(LazyState::kFully != src->lazyInstantiationState()); |
| if (!srcRect.intersect(SkIRect::MakeWH(src->width(), src->height()))) { |
| return nullptr; |
| } |
| |
| GrSurfaceDesc dstDesc; |
| dstDesc.fWidth = srcRect.width(); |
| dstDesc.fHeight = srcRect.height(); |
| dstDesc.fConfig = src->config(); |
| |
| // We use an ephemeral surface context to make the copy. Here it isn't clear what color space |
| // to tag it with. That's ok because GrSurfaceContext::copy doesn't do any color space |
| // conversions. However, if the pixel config is sRGB then the passed color space here must |
| // have sRGB gamma or GrSurfaceContext creation fails. See skbug.com/7611 about making this |
| // with the correct color space information and returning the context to the caller. |
| sk_sp<SkColorSpace> colorSpace; |
| if (GrPixelConfigIsSRGB(dstDesc.fConfig)) { |
| colorSpace = SkColorSpace::MakeSRGB(); |
| } |
| sk_sp<GrSurfaceContext> dstContext(context->contextPriv().makeDeferredSurfaceContext( |
| dstDesc, src->origin(), mipMapped, SkBackingFit::kExact, budgeted, |
| std::move(colorSpace))); |
| if (!dstContext) { |
| return nullptr; |
| } |
| |
| if (!dstContext->copy(src, srcRect, SkIPoint::Make(0, 0))) { |
| return nullptr; |
| } |
| |
| return dstContext->asTextureProxyRef(); |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::Copy(GrContext* context, GrSurfaceProxy* src, |
| GrMipMapped mipMapped, SkBudgeted budgeted) { |
| SkASSERT(LazyState::kFully != src->lazyInstantiationState()); |
| return Copy(context, src, mipMapped, SkIRect::MakeWH(src->width(), src->height()), budgeted); |
| } |
| |
| sk_sp<GrSurfaceContext> GrSurfaceProxy::TestCopy(GrContext* context, const GrSurfaceDesc& dstDesc, |
| GrSurfaceOrigin origin, GrSurfaceProxy* srcProxy) { |
| SkASSERT(LazyState::kFully != srcProxy->lazyInstantiationState()); |
| sk_sp<GrSurfaceContext> dstContext(context->contextPriv().makeDeferredSurfaceContext( |
| dstDesc, origin, GrMipMapped::kNo, SkBackingFit::kExact, SkBudgeted::kYes)); |
| if (!dstContext) { |
| return nullptr; |
| } |
| |
| if (!dstContext->copy(srcProxy)) { |
| return nullptr; |
| } |
| |
| return dstContext; |
| } |
| |
| void GrSurfaceProxyPriv::exactify() { |
| SkASSERT(GrSurfaceProxy::LazyState::kFully != fProxy->lazyInstantiationState()); |
| if (this->isExact()) { |
| return; |
| } |
| |
| SkASSERT(SkBackingFit::kApprox == fProxy->fFit); |
| |
| if (fProxy->fTarget) { |
| // The kApprox but already instantiated case. Setting the proxy's width & height to |
| // the instantiated width & height could have side-effects going forward, since we're |
| // obliterating the area of interest information. This call (exactify) only used |
| // when converting an SkSpecialImage to an SkImage so the proxy shouldn't be |
| // used for additional draws. |
| fProxy->fWidth = fProxy->fTarget->width(); |
| fProxy->fHeight = fProxy->fTarget->height(); |
| return; |
| } |
| |
| // The kApprox uninstantiated case. Making this proxy be exact should be okay. |
| // It could mess things up if prior decisions were based on the approximate size. |
| fProxy->fFit = SkBackingFit::kExact; |
| // If fGpuMemorySize is used when caching specialImages for the image filter DAG. If it has |
| // already been computed we want to leave it alone so that amount will be removed when |
| // the special image goes away. If it hasn't been computed yet it might as well compute the |
| // exact amount. |
| } |
| |
| bool GrSurfaceProxyPriv::doLazyInstantiation(GrResourceProvider* resourceProvider) { |
| SkASSERT(GrSurfaceProxy::LazyState::kNot != fProxy->lazyInstantiationState()); |
| |
| sk_sp<GrSurface> surface = fProxy->fLazyInstantiateCallback(resourceProvider); |
| if (GrSurfaceProxy::LazyInstantiationType::kSingleUse == fProxy->fLazyInstantiationType) { |
| fProxy->fLazyInstantiateCallback(nullptr); |
| fProxy->fLazyInstantiateCallback = nullptr; |
| } |
| if (!surface) { |
| fProxy->fWidth = 0; |
| fProxy->fHeight = 0; |
| return false; |
| } |
| |
| fProxy->fWidth = surface->width(); |
| fProxy->fHeight = surface->height(); |
| |
| bool needsStencil = fProxy->asRenderTargetProxy() |
| ? fProxy->asRenderTargetProxy()->needsStencil() |
| : false; |
| |
| GrSurfaceProxyPriv::AttachStencilIfNeeded(resourceProvider, surface.get(), needsStencil); |
| |
| SkASSERT(surface->config() == fProxy->fConfig); |
| // Assert the flags are the same except for kNoPendingIO which is not passed onto the GrSurface. |
| SkDEBUGCODE(GrInternalSurfaceFlags proxyFlags = |
| fProxy->fSurfaceFlags & ~GrInternalSurfaceFlags::kNoPendingIO); |
| SkASSERT(surface->surfacePriv().flags() == proxyFlags); |
| SkDEBUGCODE(fProxy->validateLazySurface(surface.get());) |
| this->assign(std::move(surface)); |
| return true; |
| } |
| |