| /* |
| * 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 "src/gpu/GrSurfaceProxy.h" |
| #include "src/gpu/GrSurfaceProxyPriv.h" |
| |
| #include "include/gpu/GrContext.h" |
| #include "include/private/GrRecordingContext.h" |
| #include "src/core/SkMathPriv.h" |
| #include "src/core/SkMipMap.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrClip.h" |
| #include "src/gpu/GrContextPriv.h" |
| #include "src/gpu/GrGpuResourcePriv.h" |
| #include "src/gpu/GrOpsTask.h" |
| #include "src/gpu/GrProxyProvider.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/GrStencilAttachment.h" |
| #include "src/gpu/GrSurfacePriv.h" |
| #include "src/gpu/GrTextureContext.h" |
| #include "src/gpu/GrTexturePriv.h" |
| #include "src/gpu/GrTextureRenderTargetProxy.h" |
| |
| #ifdef SK_DEBUG |
| #include "src/gpu/GrRenderTarget.h" |
| #include "src/gpu/GrRenderTargetPriv.h" |
| |
| static bool is_valid_lazy(const GrSurfaceDesc& desc, SkBackingFit fit) { |
| // A "fully" lazy proxy's width and height are not known until instantiation time. |
| // So fully lazy proxies are created with width and height < 0. Regular lazy proxies must be |
| // created with positive widths and heights. The width and height are set to 0 only after a |
| // failed instantiation. The former must be "approximate" fit while the latter can be either. |
| return desc.fConfig != kUnknown_GrPixelConfig && |
| ((desc.fWidth < 0 && desc.fHeight < 0 && SkBackingFit::kApprox == fit) || |
| (desc.fWidth > 0 && desc.fHeight > 0)); |
| } |
| |
| static bool is_valid_non_lazy(const GrSurfaceDesc& desc) { |
| return desc.fWidth > 0 && desc.fHeight > 0 && desc.fConfig != kUnknown_GrPixelConfig; |
| } |
| #endif |
| |
| // Deferred version |
| GrSurfaceProxy::GrSurfaceProxy(const GrBackendFormat& format, |
| const GrSurfaceDesc& desc, |
| GrRenderable renderable, |
| GrSurfaceOrigin origin, |
| const GrSwizzle& textureSwizzle, |
| SkBackingFit fit, |
| SkBudgeted budgeted, |
| GrProtected isProtected, |
| GrInternalSurfaceFlags surfaceFlags, |
| UseAllocator useAllocator) |
| : fSurfaceFlags(surfaceFlags) |
| , fFormat(format) |
| , fConfig(desc.fConfig) |
| , fWidth(desc.fWidth) |
| , fHeight(desc.fHeight) |
| , fOrigin(origin) |
| , fTextureSwizzle(textureSwizzle) |
| , fFit(fit) |
| , fBudgeted(budgeted) |
| , fUseAllocator(useAllocator) |
| , fIsProtected(isProtected) |
| , fGpuMemorySize(kInvalidGpuMemorySize) { |
| SkASSERT(fFormat.isValid()); |
| SkASSERT(is_valid_non_lazy(desc)); |
| if (GrPixelConfigIsCompressed(desc.fConfig)) { |
| SkASSERT(renderable == GrRenderable::kNo); |
| fSurfaceFlags |= GrInternalSurfaceFlags::kReadOnly; |
| } |
| } |
| |
| // Lazy-callback version |
| GrSurfaceProxy::GrSurfaceProxy(LazyInstantiateCallback&& callback, |
| const GrBackendFormat& format, |
| const GrSurfaceDesc& desc, |
| GrRenderable renderable, |
| GrSurfaceOrigin origin, |
| const GrSwizzle& textureSwizzle, |
| SkBackingFit fit, |
| SkBudgeted budgeted, |
| GrProtected isProtected, |
| GrInternalSurfaceFlags surfaceFlags, |
| UseAllocator useAllocator) |
| : fSurfaceFlags(surfaceFlags) |
| , fFormat(format) |
| , fConfig(desc.fConfig) |
| , fWidth(desc.fWidth) |
| , fHeight(desc.fHeight) |
| , fOrigin(origin) |
| , fTextureSwizzle(textureSwizzle) |
| , fFit(fit) |
| , fBudgeted(budgeted) |
| , fUseAllocator(useAllocator) |
| , fLazyInstantiateCallback(std::move(callback)) |
| , fIsProtected(isProtected) |
| , fGpuMemorySize(kInvalidGpuMemorySize) { |
| SkASSERT(fFormat.isValid()); |
| SkASSERT(fLazyInstantiateCallback); |
| SkASSERT(is_valid_lazy(desc, fit)); |
| if (GrPixelConfigIsCompressed(desc.fConfig)) { |
| SkASSERT(renderable == GrRenderable::kNo); |
| fSurfaceFlags |= GrInternalSurfaceFlags::kReadOnly; |
| } |
| } |
| |
| // Wrapped version |
| GrSurfaceProxy::GrSurfaceProxy(sk_sp<GrSurface> surface, |
| GrSurfaceOrigin origin, |
| const GrSwizzle& textureSwizzle, |
| SkBackingFit fit, |
| UseAllocator useAllocator) |
| : fTarget(std::move(surface)) |
| , fSurfaceFlags(fTarget->surfacePriv().flags()) |
| , fFormat(fTarget->backendFormat()) |
| , fConfig(fTarget->config()) |
| , fWidth(fTarget->width()) |
| , fHeight(fTarget->height()) |
| , fOrigin(origin) |
| , fTextureSwizzle(textureSwizzle) |
| , fFit(fit) |
| , fBudgeted(fTarget->resourcePriv().budgetedType() == GrBudgetedType::kBudgeted |
| ? SkBudgeted::kYes |
| : SkBudgeted::kNo) |
| , fUseAllocator(useAllocator) |
| , fUniqueID(fTarget->uniqueID()) // Note: converting from unique resource ID to a proxy ID! |
| , fIsProtected(fTarget->isProtected() ? GrProtected::kYes : GrProtected::kNo) |
| , fGpuMemorySize(kInvalidGpuMemorySize) { |
| SkASSERT(fFormat.isValid()); |
| } |
| |
| GrSurfaceProxy::~GrSurfaceProxy() { |
| // For this to be deleted the opsTask that held a ref on it (if there was one) must have been |
| // deleted. Which would have cleared out this back pointer. |
| SkASSERT(!fLastRenderTask); |
| } |
| |
| bool GrSurfaceProxyPriv::AttachStencilIfNeeded(GrResourceProvider* resourceProvider, |
| GrSurface* surface, int minStencilSampleCount) { |
| if (minStencilSampleCount) { |
| GrRenderTarget* rt = surface->asRenderTarget(); |
| if (!rt) { |
| SkASSERT(0); |
| return false; |
| } |
| |
| if (!resourceProvider->attachStencilAttachment(rt, minStencilSampleCount)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| sk_sp<GrSurface> GrSurfaceProxy::createSurfaceImpl(GrResourceProvider* resourceProvider, |
| int sampleCnt, |
| int minStencilSampleCount, |
| GrRenderable renderable, |
| GrMipMapped mipMapped) const { |
| SkASSERT(mipMapped == GrMipMapped::kNo || fFit == SkBackingFit::kExact); |
| SkASSERT(!this->isLazy()); |
| SkASSERT(!fTarget); |
| GrSurfaceDesc desc; |
| desc.fWidth = fWidth; |
| desc.fHeight = fHeight; |
| desc.fConfig = fConfig; |
| |
| sk_sp<GrSurface> surface; |
| if (SkBackingFit::kApprox == fFit) { |
| surface = resourceProvider->createApproxTexture(desc, fFormat, renderable, sampleCnt, |
| fIsProtected); |
| } else { |
| surface = resourceProvider->createTexture(desc, fFormat, renderable, sampleCnt, mipMapped, |
| fBudgeted, fIsProtected); |
| } |
| if (!surface) { |
| return nullptr; |
| } |
| |
| if (!GrSurfaceProxyPriv::AttachStencilIfNeeded(resourceProvider, surface.get(), |
| minStencilSampleCount)) { |
| return nullptr; |
| } |
| |
| return surface; |
| } |
| |
| bool GrSurfaceProxy::canSkipResourceAllocator() const { |
| if (fUseAllocator == UseAllocator::kNo) { |
| // Usually an atlas or onFlush proxy |
| return true; |
| } |
| |
| auto peek = this->peekSurface(); |
| if (!peek) { |
| return false; |
| } |
| // If this resource is already allocated and not recyclable then the resource allocator does |
| // not need to do anything with it. |
| return !peek->resourcePriv().getScratchKey().isValid(); |
| } |
| |
| void GrSurfaceProxy::assign(sk_sp<GrSurface> surface) { |
| SkASSERT(!fTarget && surface); |
| |
| SkDEBUGCODE(this->validateSurface(surface.get());) |
| |
| fTarget = std::move(surface); |
| |
| #ifdef SK_DEBUG |
| if (this->asRenderTargetProxy()) { |
| SkASSERT(fTarget->asRenderTarget()); |
| if (int minStencilSampleCount = this->asRenderTargetProxy()->numStencilSamples()) { |
| auto* stencil = fTarget->asRenderTarget()->renderTargetPriv().getStencilAttachment(); |
| SkASSERT(stencil); |
| SkASSERT(stencil->numSamples() >= minStencilSampleCount); |
| } |
| } |
| |
| if (kInvalidGpuMemorySize != this->getRawGpuMemorySize_debugOnly()) { |
| SkASSERT(fTarget->gpuMemorySize() <= this->getRawGpuMemorySize_debugOnly()); |
| } |
| #endif |
| } |
| |
| bool GrSurfaceProxy::instantiateImpl(GrResourceProvider* resourceProvider, int sampleCnt, |
| int minStencilSampleCount, GrRenderable renderable, |
| GrMipMapped mipMapped, const GrUniqueKey* uniqueKey) { |
| SkASSERT(!this->isLazy()); |
| if (fTarget) { |
| if (uniqueKey && uniqueKey->isValid()) { |
| SkASSERT(fTarget->getUniqueKey().isValid() && fTarget->getUniqueKey() == *uniqueKey); |
| } |
| return GrSurfaceProxyPriv::AttachStencilIfNeeded(resourceProvider, fTarget.get(), |
| minStencilSampleCount); |
| } |
| |
| sk_sp<GrSurface> surface = this->createSurfaceImpl( |
| resourceProvider, sampleCnt, minStencilSampleCount, renderable, 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->isInstantiated()); |
| fTarget = nullptr; |
| } |
| |
| void GrSurfaceProxy::computeScratchKey(GrScratchKey* key) const { |
| SkASSERT(!this->isFullyLazy()); |
| GrRenderable renderable = GrRenderable::kNo; |
| int sampleCount = 1; |
| if (const auto* rtp = this->asRenderTargetProxy()) { |
| renderable = GrRenderable::kYes; |
| sampleCount = rtp->numSamples(); |
| } |
| |
| 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, renderable, sampleCount, |
| mipMapped, fIsProtected, key); |
| } |
| |
| void GrSurfaceProxy::setLastRenderTask(GrRenderTask* renderTask) { |
| #ifdef SK_DEBUG |
| if (fLastRenderTask) { |
| SkASSERT(fLastRenderTask->isClosed()); |
| } |
| #endif |
| |
| // Un-reffed |
| fLastRenderTask = renderTask; |
| } |
| |
| GrOpsTask* GrSurfaceProxy::getLastOpsTask() { |
| return fLastRenderTask ? fLastRenderTask->asOpsTask() : nullptr; |
| } |
| |
| int GrSurfaceProxy::worstCaseWidth() const { |
| SkASSERT(!this->isFullyLazy()); |
| if (fTarget) { |
| return fTarget->width(); |
| } |
| |
| if (SkBackingFit::kExact == fFit) { |
| return fWidth; |
| } |
| return GrResourceProvider::MakeApprox(fWidth); |
| } |
| |
| int GrSurfaceProxy::worstCaseHeight() const { |
| SkASSERT(!this->isFullyLazy()); |
| if (fTarget) { |
| return fTarget->height(); |
| } |
| |
| if (SkBackingFit::kExact == fFit) { |
| return fHeight; |
| } |
| return GrResourceProvider::MakeApprox(fHeight); |
| } |
| |
| #ifdef SK_DEBUG |
| void GrSurfaceProxy::validate(GrContext_Base* context) const { |
| if (fTarget) { |
| SkASSERT(fTarget->getContext() == context); |
| } |
| } |
| #endif |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::Copy(GrRecordingContext* context, |
| GrSurfaceProxy* src, |
| GrColorType srcColorType, |
| GrMipMapped mipMapped, |
| SkIRect srcRect, |
| SkBackingFit fit, |
| SkBudgeted budgeted, |
| RectsMustMatch rectsMustMatch) { |
| SkASSERT(!src->isFullyLazy()); |
| GrProtected isProtected = src->isProtected() ? GrProtected::kYes : GrProtected::kNo; |
| int width; |
| int height; |
| |
| SkIPoint dstPoint; |
| if (rectsMustMatch == RectsMustMatch::kYes) { |
| width = src->width(); |
| height = src->height(); |
| dstPoint = {srcRect.fLeft, srcRect.fTop}; |
| } else { |
| width = srcRect.width(); |
| height = srcRect.height(); |
| dstPoint = {0, 0}; |
| } |
| |
| if (!srcRect.intersect(SkIRect::MakeWH(src->width(), src->height()))) { |
| return nullptr; |
| } |
| auto colorType = GrPixelConfigToColorType(src->config()); |
| if (src->backendFormat().textureType() != GrTextureType::kExternal) { |
| auto dstContext = context->priv().makeDeferredTextureContext( |
| fit, width, height, colorType, kUnknown_SkAlphaType, nullptr, mipMapped, |
| src->origin(), budgeted, isProtected); |
| if (!dstContext) { |
| return nullptr; |
| } |
| if (dstContext->copy(src, srcRect, dstPoint)) { |
| return dstContext->asTextureProxyRef(); |
| } |
| } |
| if (src->asTextureProxy()) { |
| auto dstContext = context->priv().makeDeferredRenderTargetContext( |
| fit, width, height, colorType, nullptr, 1, mipMapped, src->origin(), nullptr, |
| budgeted); |
| |
| if (dstContext && dstContext->blitTexture(src->asTextureProxy(), srcColorType, srcRect, |
| dstPoint)) { |
| return dstContext->asTextureProxyRef(); |
| } |
| } |
| // Can't use backend copies or draws. |
| return nullptr; |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::Copy(GrRecordingContext* context, GrSurfaceProxy* src, |
| GrColorType srcColorType, GrMipMapped mipMapped, |
| SkBackingFit fit, SkBudgeted budgeted) { |
| SkASSERT(!src->isFullyLazy()); |
| return Copy(context, src, srcColorType, mipMapped, SkIRect::MakeWH(src->width(), src->height()), |
| fit, budgeted); |
| } |
| |
| #if GR_TEST_UTILS |
| int32_t GrSurfaceProxy::testingOnly_getBackingRefCnt() const { |
| if (fTarget) { |
| return fTarget->testingOnly_getRefCnt(); |
| } |
| |
| return -1; // no backing GrSurface |
| } |
| |
| GrInternalSurfaceFlags GrSurfaceProxy::testingOnly_getFlags() const { |
| return fSurfaceFlags; |
| } |
| #endif |
| |
| void GrSurfaceProxyPriv::exactify(bool allocatedCaseOnly) { |
| SkASSERT(!fProxy->isFullyLazy()); |
| 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; |
| } |
| |
| #ifndef SK_CRIPPLE_TEXTURE_REUSE |
| // In the post-implicit-allocation world we can't convert this proxy to be exact fit |
| // at this point. With explicit allocation switching this to exact will result in a |
| // different allocation at flush time. With implicit allocation, allocation would occur |
| // at draw time (rather than flush time) so this pathway was encountered less often (if |
| // at all). |
| if (allocatedCaseOnly) { |
| return; |
| } |
| #endif |
| |
| // 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(fProxy->isLazy()); |
| |
| sk_sp<GrSurface> surface; |
| if (fProxy->asTextureProxy() && fProxy->asTextureProxy()->getUniqueKey().isValid()) { |
| // First try to reattach to a cached version if the proxy is uniquely keyed |
| surface = resourceProvider->findByUniqueKey<GrSurface>( |
| fProxy->asTextureProxy()->getUniqueKey()); |
| } |
| |
| bool syncKey = true; |
| bool releaseCallback = false; |
| if (!surface) { |
| auto result = fProxy->fLazyInstantiateCallback(resourceProvider); |
| surface = std::move(result.fSurface); |
| syncKey = result.fKeyMode == GrSurfaceProxy::LazyInstantiationKeyMode::kSynced; |
| releaseCallback = surface && result.fReleaseCallback; |
| } |
| if (!surface) { |
| fProxy->fWidth = 0; |
| fProxy->fHeight = 0; |
| return false; |
| } |
| |
| if (fProxy->isFullyLazy()) { |
| // This was a fully lazy proxy. We need to fill in the width & height. For partially |
| // lazy proxies we must preserve the original width & height since that indicates |
| // the content area. |
| fProxy->fWidth = surface->width(); |
| fProxy->fHeight = surface->height(); |
| } |
| |
| SkASSERT(fProxy->fWidth <= surface->width()); |
| SkASSERT(fProxy->fHeight <= surface->height()); |
| |
| auto rt = fProxy->asRenderTargetProxy(); |
| int minStencilSampleCount = rt ? rt->numSamples() : 0; |
| |
| if (!GrSurfaceProxyPriv::AttachStencilIfNeeded( |
| resourceProvider, surface.get(), minStencilSampleCount)) { |
| return false; |
| } |
| |
| if (GrTextureProxy* texProxy = fProxy->asTextureProxy()) { |
| texProxy->setTargetKeySync(syncKey); |
| if (syncKey) { |
| const GrUniqueKey& key = texProxy->getUniqueKey(); |
| if (key.isValid()) { |
| if (!surface->asTexture()->getUniqueKey().isValid()) { |
| // If 'surface' is newly created, attach the unique key |
| resourceProvider->assignUniqueKeyToResource(key, surface.get()); |
| } else { |
| // otherwise we had better have reattached to a cached version |
| SkASSERT(surface->asTexture()->getUniqueKey() == key); |
| } |
| } else { |
| SkASSERT(!surface->getUniqueKey().isValid()); |
| } |
| } |
| } |
| |
| this->assign(std::move(surface)); |
| if (releaseCallback) { |
| fProxy->fLazyInstantiateCallback = nullptr; |
| } |
| |
| return true; |
| } |
| |
| #ifdef SK_DEBUG |
| void GrSurfaceProxy::validateSurface(const GrSurface* surface) { |
| SkASSERT(surface->config() == fConfig); |
| |
| this->onValidateSurface(surface); |
| } |
| #endif |
