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9332b64809
#rb Francis.Hurteau #preflight 609e5182ef86d30001ad0a18 #rnx [CL 16328103 by danny couture in ue5-main branch]
130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SlateUTextureResource.h"
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FSlateBaseUTextureResource::FSlateBaseUTextureResource(UTexture* InTexture)
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: TextureObject(InTexture)
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{
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#if SLATE_CHECK_UOBJECT_RENDER_RESOURCES
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ObjectWeakPtr = InTexture;
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UpdateDebugName();
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#endif
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}
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FSlateBaseUTextureResource::~FSlateBaseUTextureResource()
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{
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}
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uint32 FSlateBaseUTextureResource::GetWidth() const
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{
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return TextureObject->GetSurfaceWidth();
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}
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uint32 FSlateBaseUTextureResource::GetHeight() const
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{
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return TextureObject->GetSurfaceHeight();
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}
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ESlateShaderResource::Type FSlateBaseUTextureResource::GetType() const
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{
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return ESlateShaderResource::TextureObject;
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}
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#if SLATE_CHECK_UOBJECT_RENDER_RESOURCES
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void FSlateBaseUTextureResource::UpdateDebugName()
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{
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if (TextureObject)
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{
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DebugName = TextureObject->GetFName();
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}
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else
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{
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DebugName = NAME_None;
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}
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}
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void FSlateBaseUTextureResource::CheckForStaleResources() const
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{
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if (DebugName != NAME_None && GSlateCheckUObjectRenderResources)
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{
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// pending kill objects may still be rendered for a frame so it is valid for the check to pass
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const bool bEvenIfPendingKill = true;
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// This test needs to be thread safe. It doesn't give us as many chances to trap bugs here but it is still useful
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const bool bThreadSafe = true;
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if (!ObjectWeakPtr.IsValid(bEvenIfPendingKill, bThreadSafe))
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{
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if (GSlateCheckUObjectRenderResourcesShouldLogFatal)
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{
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UE_LOG(LogSlate, Fatal, TEXT("%s"), TEXT("Texture %s has become invalid. This means the resource was garbage collected while slate was using it"), *DebugName.ToString());
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}
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else
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{
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checkf(false, TEXT("Texture %s has become invalid. This means the resource was garbage collected while slate was using it"), *DebugName.ToString());
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}
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}
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}
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}
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#endif
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TSharedPtr<FSlateUTextureResource> FSlateUTextureResource::NullResource = MakeShareable( new FSlateUTextureResource(nullptr) );
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FSlateUTextureResource::FSlateUTextureResource(UTexture* InTexture)
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: FSlateBaseUTextureResource(InTexture)
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, Proxy(new FSlateShaderResourceProxy)
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{
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if(TextureObject)
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{
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Proxy->ActualSize = FIntPoint(InTexture->GetSurfaceWidth(), InTexture->GetSurfaceHeight());
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Proxy->Resource = this;
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}
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}
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FSlateUTextureResource::~FSlateUTextureResource()
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{
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if ( Proxy )
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{
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delete Proxy;
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}
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}
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void FSlateUTextureResource::UpdateTexture(UTexture* InTexture)
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{
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TextureObject = InTexture;
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#if SLATE_CHECK_UOBJECT_RENDER_RESOURCES
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ObjectWeakPtr = TextureObject;
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UpdateDebugName();
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#endif
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if (!Proxy)
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{
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Proxy = new FSlateShaderResourceProxy;
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}
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FTexture* TextureResource = InTexture->GetResource();
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Proxy->Resource = this;
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// If the RHI data has changed, it's possible the underlying size of the texture has changed,
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// if that's true we need to update the actual size recorded on the proxy as well, otherwise
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// the texture will continue to render using the wrong size.
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Proxy->ActualSize = FIntPoint(TextureResource->GetSizeX(), TextureResource->GetSizeY());
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}
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void FSlateUTextureResource::ResetTexture()
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{
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TextureObject = nullptr;
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#if SLATE_CHECK_UOBJECT_RENDER_RESOURCES
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ObjectWeakPtr = nullptr;
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UpdateDebugName();
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#endif
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if (Proxy)
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{
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delete Proxy;
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}
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Proxy = nullptr;
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}
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