| /* |
| * 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 "GrResourceProvider.h" |
| #include "GrSurfaceContext.h" |
| #include "GrTexturePriv.h" |
| #include "GrTextureRenderTargetProxy.h" |
| |
| #include "SkMathPriv.h" |
| #include "SkMipMap.h" |
| |
| GrSurfaceProxy::GrSurfaceProxy(sk_sp<GrSurface> surface, GrSurfaceOrigin origin, SkBackingFit fit) |
| : INHERITED(std::move(surface)) |
| , fConfig(fTarget->config()) |
| , fWidth(fTarget->width()) |
| , fHeight(fTarget->height()) |
| , fOrigin(origin) |
| , fFit(fit) |
| , fBudgeted(fTarget->resourcePriv().isBudgeted()) |
| , fFlags(0) |
| , fUniqueID(fTarget->uniqueID()) // Note: converting from unique resource ID to a proxy ID! |
| , fNeedsClear(false) |
| , fGpuMemorySize(kInvalidGpuMemorySize) |
| , fLastOpList(nullptr) { |
| } |
| |
| GrSurfaceProxy::~GrSurfaceProxy() { |
| // 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); |
| } |
| |
| static bool attach_stencil_if_needed(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, |
| GrSurfaceFlags flags, GrMipMapped mipMapped, |
| SkDestinationSurfaceColorMode mipColorMode) const { |
| SkASSERT(GrMipMapped::kNo == mipMapped); |
| GrSurfaceDesc desc; |
| desc.fFlags = flags; |
| if (fNeedsClear) { |
| desc.fFlags |= kPerformInitialClear_GrSurfaceFlag; |
| } |
| desc.fOrigin = fOrigin; |
| desc.fWidth = fWidth; |
| desc.fHeight = fHeight; |
| desc.fConfig = fConfig; |
| desc.fSampleCnt = sampleCnt; |
| |
| sk_sp<GrSurface> surface; |
| if (SkBackingFit::kApprox == fFit) { |
| surface.reset(resourceProvider->createApproxTexture(desc, fFlags).release()); |
| } else { |
| surface.reset(resourceProvider->createTexture(desc, fBudgeted, fFlags).release()); |
| } |
| if (!surface) { |
| return nullptr; |
| } |
| |
| surface->asTexture()->texturePriv().setMipColorMode(mipColorMode); |
| |
| if (!attach_stencil_if_needed(resourceProvider, surface.get(), needsStencil)) { |
| return nullptr; |
| } |
| |
| return surface; |
| } |
| |
| void GrSurfaceProxy::assign(sk_sp<GrSurface> surface) { |
| SkASSERT(!fTarget && surface); |
| fTarget = surface.release(); |
| this->INHERITED::transferRefs(); |
| |
| #ifdef SK_DEBUG |
| if (kInvalidGpuMemorySize != this->getRawGpuMemorySize_debugOnly()) { |
| SkASSERT(fTarget->gpuMemorySize() <= this->getRawGpuMemorySize_debugOnly()); |
| } |
| #endif |
| } |
| |
| bool GrSurfaceProxy::instantiateImpl(GrResourceProvider* resourceProvider, int sampleCnt, |
| bool needsStencil, GrSurfaceFlags flags, GrMipMapped mipMapped, |
| SkDestinationSurfaceColorMode mipColorMode, |
| const GrUniqueKey* uniqueKey) { |
| if (fTarget) { |
| if (uniqueKey) { |
| SkASSERT(fTarget->getUniqueKey() == *uniqueKey); |
| } |
| return attach_stencil_if_needed(resourceProvider, fTarget, needsStencil); |
| } |
| |
| sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, sampleCnt, needsStencil, |
| flags, mipMapped, mipColorMode); |
| 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::computeScratchKey(GrScratchKey* key) const { |
| const GrRenderTargetProxy* rtp = this->asRenderTargetProxy(); |
| int sampleCount = 0; |
| 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; |
| } |
| |
| sk_sp<GrSurfaceProxy> GrSurfaceProxy::MakeWrapped(sk_sp<GrSurface> surf, GrSurfaceOrigin origin) { |
| if (!surf) { |
| return nullptr; |
| } |
| |
| if (surf->getUniqueKey().isValid()) { |
| // The proxy may already be in the hash. Thus we need to look for it first before creating |
| // new one. |
| GrResourceProvider* provider = surf->getContext()->resourceProvider(); |
| sk_sp<GrSurfaceProxy> proxy = provider->findProxyByUniqueKey(surf->getUniqueKey(), origin); |
| if (proxy) { |
| return proxy; |
| } |
| } |
| |
| if (surf->asTexture()) { |
| if (surf->asRenderTarget()) { |
| return sk_sp<GrSurfaceProxy>(new GrTextureRenderTargetProxy(std::move(surf), origin)); |
| } else { |
| return sk_sp<GrSurfaceProxy>(new GrTextureProxy(std::move(surf), origin)); |
| } |
| } else { |
| SkASSERT(surf->asRenderTarget()); |
| |
| // Not texturable |
| return sk_sp<GrSurfaceProxy>(new GrRenderTargetProxy(std::move(surf), origin)); |
| } |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeWrapped(sk_sp<GrTexture> tex, GrSurfaceOrigin origin) { |
| if (!tex) { |
| return nullptr; |
| } |
| |
| if (tex->getUniqueKey().isValid()) { |
| // The proxy may already be in the hash. Thus we need to look for it first before creating |
| // new one. |
| GrResourceProvider* provider = tex->getContext()->resourceProvider(); |
| sk_sp<GrTextureProxy> proxy = provider->findProxyByUniqueKey(tex->getUniqueKey(), origin); |
| if (proxy) { |
| return proxy; |
| } |
| } |
| |
| if (tex->asRenderTarget()) { |
| return sk_sp<GrTextureProxy>(new GrTextureRenderTargetProxy(std::move(tex), origin)); |
| } else { |
| return sk_sp<GrTextureProxy>(new GrTextureProxy(std::move(tex), origin)); |
| } |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeDeferred(GrResourceProvider* resourceProvider, |
| const GrSurfaceDesc& desc, |
| SkBackingFit fit, |
| SkBudgeted budgeted, |
| uint32_t flags) { |
| SkASSERT(0 == flags || GrResourceProvider::kNoPendingIO_Flag == flags); |
| |
| const GrCaps* caps = resourceProvider->caps(); |
| |
| // TODO: move this logic into GrResourceProvider! |
| // TODO: share this testing code with check_texture_creation_params |
| if (!caps->isConfigTexturable(desc.fConfig)) { |
| return nullptr; |
| } |
| |
| bool willBeRT = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag); |
| if (willBeRT && !caps->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) { |
| return nullptr; |
| } |
| |
| // We currently do not support multisampled textures |
| if (!willBeRT && desc.fSampleCnt > 0) { |
| return nullptr; |
| } |
| |
| int maxSize; |
| if (willBeRT) { |
| maxSize = caps->maxRenderTargetSize(); |
| } else { |
| maxSize = caps->maxTextureSize(); |
| } |
| |
| if (desc.fWidth > maxSize || desc.fHeight > maxSize || desc.fWidth <= 0 || desc.fHeight <= 0) { |
| return nullptr; |
| } |
| |
| GrSurfaceDesc copyDesc = desc; |
| copyDesc.fSampleCnt = caps->getSampleCount(desc.fSampleCnt, desc.fConfig); |
| |
| #ifdef SK_DISABLE_DEFERRED_PROXIES |
| // Temporarily force instantiation for crbug.com/769760 and crbug.com/769898 |
| sk_sp<GrTexture> tex; |
| |
| if (SkBackingFit::kApprox == fit) { |
| tex = resourceProvider->createApproxTexture(copyDesc, flags); |
| } else { |
| tex = resourceProvider->createTexture(copyDesc, budgeted, flags); |
| } |
| |
| if (!tex) { |
| return nullptr; |
| } |
| |
| return GrSurfaceProxy::MakeWrapped(std::move(tex), copyDesc.fOrigin); |
| #else |
| if (willBeRT) { |
| // We know anything we instantiate later from this deferred path will be |
| // both texturable and renderable |
| return sk_sp<GrTextureProxy>(new GrTextureRenderTargetProxy(*caps, copyDesc, fit, |
| budgeted, flags)); |
| } |
| |
| return sk_sp<GrTextureProxy>(new GrTextureProxy(copyDesc, fit, budgeted, nullptr, 0, flags)); |
| #endif |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeDeferred(GrResourceProvider* resourceProvider, |
| const GrSurfaceDesc& desc, |
| SkBudgeted budgeted, |
| const void* srcData, |
| size_t rowBytes) { |
| if (srcData) { |
| GrMipLevel mipLevel = { srcData, rowBytes }; |
| |
| return resourceProvider->createTextureProxy(desc, budgeted, mipLevel); |
| } |
| |
| return GrSurfaceProxy::MakeDeferred(resourceProvider, desc, SkBackingFit::kExact, budgeted); |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeDeferredMipMap(GrResourceProvider* resourceProvider, |
| const GrSurfaceDesc& desc, |
| SkBudgeted budgeted) { |
| // 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; |
| |
| 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; |
| } |
| |
| return MakeDeferredMipMap(resourceProvider, desc, budgeted, texels.get(), mipCount); |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeDeferredMipMap( |
| GrResourceProvider* resourceProvider, |
| const GrSurfaceDesc& desc, |
| SkBudgeted budgeted, |
| const GrMipLevel texels[], |
| int mipLevelCount, |
| SkDestinationSurfaceColorMode mipColorMode) { |
| if (!mipLevelCount) { |
| if (texels) { |
| return nullptr; |
| } |
| return GrSurfaceProxy::MakeDeferred(resourceProvider, desc, budgeted, nullptr, 0); |
| } |
| if (!texels) { |
| return nullptr; |
| } |
| |
| if (1 == mipLevelCount) { |
| return resourceProvider->createTextureProxy(desc, budgeted, texels[0]); |
| } |
| |
| #ifdef SK_DEBUG |
| // There are only three states we want to be in when uploading data to a mipped surface. |
| // 1) We have data to upload to all layers |
| // 2) We are not uploading data to any layers |
| // 3) We are only uploading data to the base layer |
| // We check here to make sure we do not have any other state. |
| bool firstLevelHasData = SkToBool(texels[0].fPixels); |
| bool allOtherLevelsHaveData = true, allOtherLevelsLackData = true; |
| for (int i = 1; i < mipLevelCount; ++i) { |
| if (texels[i].fPixels) { |
| allOtherLevelsLackData = false; |
| } else { |
| allOtherLevelsHaveData = false; |
| } |
| } |
| SkASSERT((firstLevelHasData && allOtherLevelsHaveData) || allOtherLevelsLackData); |
| #endif |
| |
| sk_sp<GrTexture> tex(resourceProvider->createTexture(desc, budgeted, |
| texels, mipLevelCount, |
| mipColorMode)); |
| if (!tex) { |
| return nullptr; |
| } |
| |
| return GrSurfaceProxy::MakeWrapped(std::move(tex), desc.fOrigin); |
| } |
| |
| sk_sp<GrTextureProxy> GrSurfaceProxy::MakeWrappedBackend(GrContext* context, |
| GrBackendTexture& backendTex, |
| GrSurfaceOrigin origin) { |
| sk_sp<GrTexture> tex(context->resourceProvider()->wrapBackendTexture(backendTex)); |
| return GrSurfaceProxy::MakeWrapped(std::move(tex), origin); |
| } |
| |
| int GrSurfaceProxy::worstCaseWidth() const { |
| if (fTarget) { |
| return fTarget->width(); |
| } |
| |
| if (SkBackingFit::kExact == fFit) { |
| return fWidth; |
| } |
| return SkTMax(GrResourceProvider::kMinScratchTextureSize, GrNextPow2(fWidth)); |
| } |
| |
| int GrSurfaceProxy::worstCaseHeight() const { |
| 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, |
| SkIRect srcRect, |
| SkBudgeted budgeted) { |
| if (!srcRect.intersect(SkIRect::MakeWH(src->width(), src->height()))) { |
| return nullptr; |
| } |
| |
| GrSurfaceDesc dstDesc; |
| dstDesc.fOrigin = src->origin(); |
| dstDesc.fWidth = srcRect.width(); |
| dstDesc.fHeight = srcRect.height(); |
| dstDesc.fConfig = src->config(); |
| |
| sk_sp<GrSurfaceContext> dstContext(context->contextPriv().makeDeferredSurfaceContext( |
| dstDesc, |
| SkBackingFit::kExact, |
| budgeted)); |
| 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, |
| SkBudgeted budgeted) { |
| return Copy(context, src, SkIRect::MakeWH(src->width(), src->height()), budgeted); |
| } |
| |
| sk_sp<GrSurfaceContext> GrSurfaceProxy::TestCopy(GrContext* context, const GrSurfaceDesc& dstDesc, |
| GrSurfaceProxy* srcProxy) { |
| |
| sk_sp<GrSurfaceContext> dstContext(context->contextPriv().makeDeferredSurfaceContext( |
| dstDesc, |
| SkBackingFit::kExact, |
| SkBudgeted::kYes)); |
| if (!dstContext) { |
| return nullptr; |
| } |
| |
| if (!dstContext->copy(srcProxy)) { |
| return nullptr; |
| } |
| |
| return dstContext; |
| } |
| |
| void GrSurfaceProxyPriv::exactify() { |
| 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. |
| } |
| |