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Storage & lookup for textures

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This commit is contained in:
Steve Streeting 2021-10-04 17:30:07 +01:00
parent 29ecb3948a
commit 0a49f5cf74
1 changed files with 27 additions and 0 deletions
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27
Source/StevesUEHelpers/Public/StevesTextureRenderTargetPool.h
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@ -42,6 +42,33 @@ protected:
/// The name of the pool. It's possible to have more than one texture pool. /// The name of the pool. It's possible to have more than one texture pool.
FName PoolName; FName PoolName;
struct FTextureKey
{
FIntPoint Size;
ETextureRenderTargetFormat Format;
friend bool operator==(const FTextureKey& Lhs, const FTextureKey& RHS)
{
return Lhs.Size == RHS.Size
&& Lhs.Format == RHS.Format;
}
friend bool operator!=(const FTextureKey& Lhs, const FTextureKey& RHS)
{
return !(Lhs == RHS);
}
friend uint32 GetTypeHash(const FTextureKey& Key)
{
return HashCombine(GetTypeHash(Key.Size), static_cast<uint32>(Key.Format));
}
};
TMultiMap<FTextureKey, TSharedPtr<UTextureRenderTarget2D>> UnreservedTextures;
TArray<TSharedPtr<UTextureRenderTarget2D>> ReservedTextures;
friend struct FStevesTextureRenderTargetReservation; friend struct FStevesTextureRenderTargetReservation;
/// Release a reservation on a texture, allowing it back into the pool /// Release a reservation on a texture, allowing it back into the pool
/// Protected because only FStevesTextureRenderTargetReservation will need to do this. /// Protected because only FStevesTextureRenderTargetReservation will need to do this.