diff options
Diffstat (limited to 'gfx/skia/skia/src/gpu/GrSurfaceProxy.cpp')
| -rw-r--r-- | gfx/skia/skia/src/gpu/GrSurfaceProxy.cpp | 523 |
1 files changed, 523 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/GrSurfaceProxy.cpp b/gfx/skia/skia/src/gpu/GrSurfaceProxy.cpp new file mode 100644 index 0000000000..a4878477e9 --- /dev/null +++ b/gfx/skia/skia/src/gpu/GrSurfaceProxy.cpp @@ -0,0 +1,523 @@ +/* + * 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 |