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API > API/Developer > API/Developer/TargetPlatform > API/Developer/TargetPlatform/Interfaces > API/Developer/TargetPlatform/Interfaces/IShaderFormat > API/Developer/TargetPlatform/Interfaces/IShaderFormat/CompilePreprocessedShader
References
| Module | TargetPlatform |
| Header | /Engine/Source/Developer/TargetPlatform/Public/Interfaces/IShaderFormat.h |
| Include | #include "Interfaces/IShaderFormat.h" |
virtual void CompilePreprocessedShader
(
const FShaderCompilerInput & Input,
const FShaderPreprocessOutput & PrimaryPreprocessOutput,
const FShaderPreprocessOutput & SecondaryPreprocessOutput,
FShaderCompilerOutput & PrimaryOutput,
FShaderCompilerOutput & SecondaryOutput,
const FString & WorkingDirectory
) const
Remarks
Compile the specified preprocessed shaders; only called if the call to RequiresSecondaryCompile given the first preprocess output returns true. The shader system will pack these outputs together in the following format: [int32 key][uint32 primary length][uint32 secondary length][full primary shader code][full secondary shader code] where "key" is the return value of the GetPackedShaderKey function (this should also be implemented by any backends which require secondary compilation and is used by the RHI to differentiate packed shader code from single shaders)