/**
* Enqueues a compilation for a new shader of this type.
* @param Platform - The platform to compile for.
* @param Material - The material to link the shader with.
* @param VertexFactoryType - The vertex factory to compile with.
*/
FShaderCompileJob* FMeshMaterialShaderType::BeginCompileShader(
uint32 ShaderMapId,
EShaderPlatform Platform,
const FMaterial* Material,
FShaderCompilerEnvironment* MaterialEnvironment,
FVertexFactoryType* VertexFactoryType,
const FShaderPipelineType* ShaderPipeline,
TArray<FShaderCommonCompileJob*>& NewJobs
)
{
FShaderCompileJob* NewJob = new FShaderCompileJob(ShaderMapId, VertexFactoryType, this);
NewJob->Input.SharedEnvironment = MaterialEnvironment;
FShaderCompilerEnvironment& ShaderEnvironment = NewJob->Input.Environment;
// apply the vertex factory changes to the compile environment
check(VertexFactoryType);
VertexFactoryType->ModifyCompilationEnvironment(Platform, Material, ShaderEnvironment);
//update material shader stats
UpdateMaterialShaderCompilingStats(Material);
UE_LOG(LogShaders, Verbose, TEXT(" %s"), GetName());
COOK_STAT(MaterialMeshCookStats::ShadersCompiled++);
// Allow the shader type to modify the compile environment.
SetupCompileEnvironment(Platform, Material, ShaderEnvironment);
bool bAllowDevelopmentShaderCompile = Material->GetAllowDevelopmentShaderCompile();
// Compile the shader environment passed in with the shader type's source code.
::GlobalBeginCompileShader(
Material->GetFriendlyName(),
VertexFactoryType,
this,
ShaderPipeline,
GetShaderFilename(),
GetFunctionName(),
FShaderTarget(GetFrequency(),Platform),
NewJob,
NewJobs,
bAllowDevelopmentShaderCompile
);
return NewJob;
}
void FGlobalShaderType::BeginCompileShader(EShaderPlatform Platform, TArray<FShaderCompileJob*>& NewJobs)
{
FShaderCompileJob* NewJob = new FShaderCompileJob(GlobalShaderMapId, NULL, this);
FShaderCompilerEnvironment& ShaderEnvironment = NewJob->Input.Environment;
UE_LOG(LogShaders, Verbose, TEXT(" %s"), GetName());
// Allow the shader type to modify the compile environment.
SetupCompileEnvironment(Platform, ShaderEnvironment);
static FString GlobalName(TEXT("Global"));
// Compile the shader environment passed in with the shader type's source code.
::GlobalBeginCompileShader(
GlobalName,
NULL,
this,
GetShaderFilename(),
GetFunctionName(),
FShaderTarget(GetFrequency(),Platform),
NewJob,
NewJobs
);
}
const FSHAHash& FShaderType::GetSourceHash() const
{
return GetShaderFileHash(GetShaderFilename());
}
/** Calculates a Hash based on this vertex factory type's source code and includes */
const FSHAHash& FVertexFactoryType::GetSourceHash() const
{
return GetShaderFileHash(GetShaderFilename());
}
