FSlateShaderResourceProxy* FSlateRHIResourceManager::GetShaderResource( const FSlateBrush& InBrush )
{
check( IsThreadSafeForSlateRendering() );
FSlateShaderResourceProxy* Texture = NULL;
if( !InBrush.IsDynamicallyLoaded() && !InBrush.HasUObject() )
{
Texture = ResourceMap.FindRef( InBrush.GetResourceName() );
}
else if (InBrush.GetResourceObject() && InBrush.GetResourceObject()->IsA<UMaterialInterface>())
{
Texture = GetMaterialResource(InBrush);
}
else if( InBrush.IsDynamicallyLoaded() || ( InBrush.HasUObject() ) )
{
if( InBrush.HasUObject() && InBrush.GetResourceObject() == nullptr )
{
// Hack for loading via the deprecated path
LoadUObjectForBrush( InBrush );
}
Texture = FindOrCreateDynamicTextureResource( InBrush );
}
return Texture;
}
FSlateShaderResourceProxy* FSlateRHIResourceManager::GetTexture( const FSlateBrush& InBrush )
{
check( IsThreadSafeForSlateRendering() );
FSlateShaderResourceProxy* Texture = NULL;
if( !InBrush.IsDynamicallyLoaded() && !InBrush.HasUObject() )
{
Texture = ResourceMap.FindRef( InBrush.GetResourceName() );
}
else if( InBrush.IsDynamicallyLoaded() || ( InBrush.HasUObject() ) )
{
Texture = GetDynamicTextureResource( InBrush );
}
return Texture;
}
/**
* Loads a UTexture2D from a package and stores it in the cache
*
* @param TextureName The name of the texture to load
*/
bool FSlateRHIResourceManager::LoadTexture( const FName& TextureName, const FString& ResourcePath, uint32& Width, uint32& Height, TArray<uint8>& DecodedImage )
{
check( IsThreadSafeForSlateRendering() );
bool bSucceeded = true;
uint32 BytesPerPixel = 4;
TArray<uint8> RawFileData;
if( FFileHelper::LoadFileToArray( RawFileData, *ResourcePath ) )
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( RawFileData.GetData(), RawFileData.Num() ) )
{
Width = ImageWrapper->GetWidth();
Height = ImageWrapper->GetHeight();
const TArray<uint8>* RawData = NULL;
if (ImageWrapper->GetRaw( ERGBFormat::BGRA, 8, RawData))
{
DecodedImage.AddUninitialized( Width*Height*BytesPerPixel );
DecodedImage = *RawData;
}
else
{
UE_LOG(LogSlate, Log, TEXT("Invalid texture format for Slate resource only RGBA and RGB pngs are supported: %s"), *TextureName.ToString() );
bSucceeded = false;
}
}
else
{
UE_LOG(LogSlate, Log, TEXT("Only pngs are supported in Slate"));
bSucceeded = false;
}
}
else
{
UE_LOG(LogSlate, Log, TEXT("Could not find file for Slate resource: %s"), *TextureName.ToString() );
bSucceeded = false;
}
return bSucceeded;
}
bool FSlateRenderer::IsViewportFullscreen( const SWindow& Window ) const
{
check( IsThreadSafeForSlateRendering() );
bool bFullscreen = false;
if (FPlatformProperties::SupportsWindowedMode())
{
if( GIsEditor)
{
bFullscreen = false;
}
else
{
bFullscreen = Window.GetWindowMode() == EWindowMode::Fullscreen;
}
}
else
{
bFullscreen = true;
}
return bFullscreen;
}
FSlateShaderResource* FSceneViewport::GetViewportRenderTargetTexture() const
{
check(IsThreadSafeForSlateRendering());
return (BufferedSlateHandles.Num() != 0) ? BufferedSlateHandles[CurrentBufferedTargetIndex] : nullptr;
}
