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Support for general UTexture instead of being limited to Texture2D for ImGui interop

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This commit is contained in:
WiggleWizard 2022-03-25 22:53:05 +00:00
parent fa7134f553
commit 2b8f3e55c3
4 changed files with 9 additions and 9 deletions
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2
Source/ImGui/Private/ImGuiModule.cpp
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@ -84,7 +84,7 @@ FImGuiTextureHandle FImGuiModule::FindTextureHandle(const FName& Name)
return (Index != INDEX_NONE) ? FImGuiTextureHandle{ Name, ImGuiInterops::ToImTextureID(Index) } : FImGuiTextureHandle{}; return (Index != INDEX_NONE) ? FImGuiTextureHandle{ Name, ImGuiInterops::ToImTextureID(Index) } : FImGuiTextureHandle{};
} }
FImGuiTextureHandle FImGuiModule::RegisterTexture(const FName& Name, class UTexture2D* Texture, bool bMakeUnique) FImGuiTextureHandle FImGuiModule::RegisterTexture(const FName& Name, class UTexture* Texture, bool bMakeUnique)
{ {
FTextureManager& TextureManager = ImGuiModuleManager->GetTextureManager(); FTextureManager& TextureManager = ImGuiModuleManager->GetTextureManager();

6
Source/ImGui/Private/TextureManager.cpp
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@ -27,7 +27,7 @@ TextureIndex FTextureManager::CreatePlainTexture(const FName& Name, int32 Width,
return CreatePlainTextureInternal(Name, Width, Height, Color); return CreatePlainTextureInternal(Name, Width, Height, Color);
} }
TextureIndex FTextureManager::CreateTextureResources(const FName& Name, UTexture2D* Texture) TextureIndex FTextureManager::CreateTextureResources(const FName& Name, UTexture* Texture)
{ {
checkf(Name != NAME_None, TEXT("Trying to create texture resources with a name 'NAME_None' is not allowed.")); checkf(Name != NAME_None, TEXT("Trying to create texture resources with a name 'NAME_None' is not allowed."));
checkf(Texture, TEXT("Null Texture.")); checkf(Texture, TEXT("Null Texture."));
@ -87,7 +87,7 @@ TextureIndex FTextureManager::CreatePlainTextureInternal(const FName& Name, int3
return CreateTextureInternal(Name, Width, Height, Bpp, SrcData, SrcDataCleanup); return CreateTextureInternal(Name, Width, Height, Bpp, SrcData, SrcDataCleanup);
} }
TextureIndex FTextureManager::AddTextureEntry(const FName& Name, UTexture2D* Texture, bool bAddToRoot) TextureIndex FTextureManager::AddTextureEntry(const FName& Name, UTexture* Texture, bool bAddToRoot)
{ {
// Try to find an entry with that name. // Try to find an entry with that name.
TextureIndex Index = FindTextureIndex(Name); TextureIndex Index = FindTextureIndex(Name);
@ -110,7 +110,7 @@ TextureIndex FTextureManager::AddTextureEntry(const FName& Name, UTexture2D* Tex
} }
} }
FTextureManager::FTextureEntry::FTextureEntry(const FName& InName, UTexture2D* InTexture, bool bAddToRoot) FTextureManager::FTextureEntry::FTextureEntry(const FName& InName, UTexture* InTexture, bool bAddToRoot)
: Name(InName) : Name(InName)
{ {
checkf(InTexture, TEXT("Null texture.")); checkf(InTexture, TEXT("Null texture."));

8
Source/ImGui/Private/TextureManager.h
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@ -84,7 +84,7 @@ public:
// @param Name - The texture name // @param Name - The texture name
// @param Texture - The texture // @param Texture - The texture
// @returns The index to created/updated texture resources // @returns The index to created/updated texture resources
TextureIndex CreateTextureResources(const FName& Name, UTexture2D* Texture); TextureIndex CreateTextureResources(const FName& Name, UTexture* Texture);
// Release resources for given texture. Ignores invalid indices. // Release resources for given texture. Ignores invalid indices.
// @param Index - The index of a texture resources // @param Index - The index of a texture resources
@ -107,7 +107,7 @@ private:
// @param Texture - The texture // @param Texture - The texture
// @param bAddToRoot - If true, we should add texture to root to prevent garbage collection (use for own textures) // @param bAddToRoot - If true, we should add texture to root to prevent garbage collection (use for own textures)
// @returns The index of the entry that we created or reused // @returns The index of the entry that we created or reused
TextureIndex AddTextureEntry(const FName& Name, UTexture2D* Texture, bool bAddToRoot); TextureIndex AddTextureEntry(const FName& Name, UTexture* Texture, bool bAddToRoot);
// Check whether index is in range allocated for TextureResources (it doesn't mean that resources are valid). // Check whether index is in range allocated for TextureResources (it doesn't mean that resources are valid).
FORCEINLINE bool IsInRange(TextureIndex Index) const FORCEINLINE bool IsInRange(TextureIndex Index) const
@ -125,7 +125,7 @@ private:
struct FTextureEntry struct FTextureEntry
{ {
FTextureEntry() = default; FTextureEntry() = default;
FTextureEntry(const FName& InName, UTexture2D* InTexture, bool bAddToRoot); FTextureEntry(const FName& InName, UTexture* InTexture, bool bAddToRoot);
~FTextureEntry(); ~FTextureEntry();
// Copying is not supported. // Copying is not supported.
@ -146,7 +146,7 @@ private:
FName Name = NAME_None; FName Name = NAME_None;
mutable FSlateResourceHandle CachedResourceHandle; mutable FSlateResourceHandle CachedResourceHandle;
TWeakObjectPtr<UTexture2D> Texture; TWeakObjectPtr<UTexture> Texture;
FSlateBrush Brush; FSlateBrush Brush;
}; };

2
Source/ImGui/Public/ImGuiModule.h
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@ -108,7 +108,7 @@ public:
* @returns Handle to the texture resources, which can be used to release allocated resources and as an argument to * @returns Handle to the texture resources, which can be used to release allocated resources and as an argument to
* relevant ImGui functions * relevant ImGui functions
*/ */
virtual FImGuiTextureHandle RegisterTexture(const FName& Name, class UTexture2D* Texture, bool bMakeUnique = false); virtual FImGuiTextureHandle RegisterTexture(const FName& Name, class UTexture* Texture, bool bMakeUnique = false);
/** /**
* Unregister texture and release its Slate resources. If handle is null or not valid, this function fails silently * Unregister texture and release its Slate resources. If handle is null or not valid, this function fails silently