You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
//
|
|
|
|
#include "ShaderFormatOpenGL.h"
|
|
#include "HAL/FileManager.h"
|
|
#include "Modules/ModuleManager.h"
|
|
#include "Interfaces/IShaderFormat.h"
|
|
#include "Interfaces/IShaderFormatModule.h"
|
|
#include "ShaderCore.h"
|
|
#include "ShaderCompilerCore.h"
|
|
|
|
static FName NAME_GLSL_150_ES3_1(TEXT("GLSL_150_ES31"));
|
|
static FName NAME_GLSL_ES3_1_ANDROID(TEXT("GLSL_ES3_1_ANDROID"));
|
|
|
|
class FShaderFormatGLSL : public IShaderFormat
|
|
{
|
|
enum
|
|
{
|
|
/** Version for shader format, this becomes part of the DDC key. */
|
|
UE_SHADER_GLSL_VER = 106,
|
|
};
|
|
|
|
void CheckFormat(FName Format) const
|
|
{
|
|
check(Format == NAME_GLSL_150_ES3_1 || Format == NAME_GLSL_ES3_1_ANDROID);
|
|
}
|
|
|
|
public:
|
|
virtual uint32 GetVersion(FName Format) const override
|
|
{
|
|
CheckFormat(Format);
|
|
uint32 GLSLVersion = 0;
|
|
if (Format == NAME_GLSL_150_ES3_1 || Format == NAME_GLSL_ES3_1_ANDROID)
|
|
{
|
|
GLSLVersion = UE_SHADER_GLSL_VER;
|
|
}
|
|
else
|
|
{
|
|
check(0);
|
|
}
|
|
const uint16 Version = ((HLSLCC_VersionMinor & 0xff) << 8) | (GLSLVersion & 0xff);
|
|
return Version;
|
|
}
|
|
virtual void GetSupportedFormats(TArray<FName>& OutFormats) const override
|
|
{
|
|
OutFormats.Add(NAME_GLSL_150_ES3_1);
|
|
OutFormats.Add(NAME_GLSL_ES3_1_ANDROID);
|
|
}
|
|
|
|
static GLSLVersion TranslateFormatNameToEnum(FName Format)
|
|
{
|
|
if (Format == NAME_GLSL_150_ES3_1)
|
|
{
|
|
return GLSL_150_ES3_1;
|
|
}
|
|
else if (Format == NAME_GLSL_ES3_1_ANDROID)
|
|
{
|
|
return GLSL_ES3_1_ANDROID;
|
|
}
|
|
else
|
|
{
|
|
check(0);
|
|
return GLSL_MAX;
|
|
}
|
|
}
|
|
|
|
virtual void CompileShader(FName Format, const struct FShaderCompilerInput& Input, struct FShaderCompilerOutput& Output,const FString& WorkingDirectory) const override
|
|
{
|
|
CheckFormat(Format);
|
|
|
|
GLSLVersion Version = TranslateFormatNameToEnum(Format);
|
|
|
|
FOpenGLFrontend Frontend;
|
|
// the frontend will run the cross compiler
|
|
Frontend.CompileShader(Input, Output, WorkingDirectory, Version);
|
|
}
|
|
|
|
virtual const TCHAR* GetPlatformIncludeDirectory() const
|
|
{
|
|
return TEXT("GL");
|
|
}
|
|
|
|
virtual bool UsesHLSLcc(const struct FShaderCompilerInput& Input) const override
|
|
{
|
|
return !Input.Environment.CompilerFlags.Contains(CFLAG_ForceDXC);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Module for OpenGL shaders
|
|
*/
|
|
|
|
static IShaderFormat* Singleton = NULL;
|
|
|
|
class FShaderFormatOpenGLModule : public IShaderFormatModule
|
|
{
|
|
public:
|
|
virtual ~FShaderFormatOpenGLModule()
|
|
{
|
|
delete Singleton;
|
|
Singleton = NULL;
|
|
}
|
|
virtual IShaderFormat* GetShaderFormat()
|
|
{
|
|
if (!Singleton)
|
|
{
|
|
Singleton = new FShaderFormatGLSL();
|
|
}
|
|
return Singleton;
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_MODULE( FShaderFormatOpenGLModule, ShaderFormatOpenGL);
|