You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
123 lines
3.1 KiB
C++
123 lines
3.1 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
|
|
|
|
/*=============================================================================
|
|
CrossCompilerCommon.h: Common functionality between compiler & runtime.
|
|
=============================================================================*/
|
|
|
|
#pragma once
|
|
|
|
#include "Core.h"
|
|
|
|
namespace CrossCompiler
|
|
{
|
|
enum
|
|
{
|
|
SHADER_STAGE_VERTEX = 0,
|
|
SHADER_STAGE_PIXEL,
|
|
SHADER_STAGE_GEOMETRY,
|
|
SHADER_STAGE_HULL,
|
|
SHADER_STAGE_DOMAIN,
|
|
NUM_NON_COMPUTE_SHADER_STAGES,
|
|
SHADER_STAGE_COMPUTE = NUM_NON_COMPUTE_SHADER_STAGES,
|
|
NUM_SHADER_STAGES,
|
|
|
|
PACKED_TYPENAME_HIGHP = 'h', // Make sure these enums match hlslcc
|
|
PACKED_TYPENAME_MEDIUMP = 'm',
|
|
PACKED_TYPENAME_LOWP = 'l',
|
|
PACKED_TYPENAME_INT = 'i',
|
|
PACKED_TYPENAME_UINT = 'u',
|
|
PACKED_TYPENAME_SAMPLER = 's',
|
|
PACKED_TYPENAME_IMAGE = 'g',
|
|
|
|
PACKED_TYPEINDEX_HIGHP = 0,
|
|
PACKED_TYPEINDEX_MEDIUMP = 1,
|
|
PACKED_TYPEINDEX_LOWP = 2,
|
|
PACKED_TYPEINDEX_INT = 3,
|
|
PACKED_TYPEINDEX_UINT = 4,
|
|
PACKED_TYPEINDEX_MAX = 5,
|
|
};
|
|
|
|
static FORCEINLINE uint8 PackedTypeIndexToTypeName(uint8 ArrayType)
|
|
{
|
|
switch (ArrayType)
|
|
{
|
|
case PACKED_TYPEINDEX_HIGHP: return PACKED_TYPENAME_HIGHP;
|
|
case PACKED_TYPEINDEX_MEDIUMP: return PACKED_TYPENAME_MEDIUMP;
|
|
case PACKED_TYPEINDEX_LOWP: return PACKED_TYPENAME_LOWP;
|
|
case PACKED_TYPEINDEX_INT: return PACKED_TYPENAME_INT;
|
|
case PACKED_TYPEINDEX_UINT: return PACKED_TYPENAME_UINT;
|
|
}
|
|
check(0);
|
|
return 0;
|
|
}
|
|
|
|
static FORCEINLINE uint8 PackedTypeNameToTypeIndex(uint8 ArrayName)
|
|
{
|
|
switch (ArrayName)
|
|
{
|
|
case PACKED_TYPENAME_HIGHP: return PACKED_TYPEINDEX_HIGHP;
|
|
case PACKED_TYPENAME_MEDIUMP: return PACKED_TYPEINDEX_MEDIUMP;
|
|
case PACKED_TYPENAME_LOWP: return PACKED_TYPEINDEX_LOWP;
|
|
case PACKED_TYPENAME_INT: return PACKED_TYPEINDEX_INT;
|
|
case PACKED_TYPENAME_UINT: return PACKED_TYPEINDEX_UINT;
|
|
}
|
|
check(0);
|
|
return 0;
|
|
}
|
|
|
|
struct FPackedArrayInfo
|
|
{
|
|
uint16 Size; // Bytes
|
|
uint8 TypeName; // PACKED_TYPENAME
|
|
uint8 TypeIndex; // PACKED_TYPE
|
|
};
|
|
|
|
inline FArchive& operator<<(FArchive& Ar, FPackedArrayInfo& Info)
|
|
{
|
|
Ar << Info.Size;
|
|
Ar << Info.TypeName;
|
|
Ar << Info.TypeIndex;
|
|
return Ar;
|
|
}
|
|
|
|
struct FShaderBindings
|
|
{
|
|
TArray<TArray<FPackedArrayInfo>> PackedUniformBuffers;
|
|
TArray<FPackedArrayInfo> PackedGlobalArrays;
|
|
FShaderResourceTable ShaderResourceTable;
|
|
|
|
uint16 InOutMask;
|
|
uint8 NumSamplers;
|
|
uint8 NumUniformBuffers;
|
|
uint8 NumUAVs;
|
|
bool bHasRegularUniformBuffers;
|
|
};
|
|
|
|
// Information for copying members from uniform buffers to packed
|
|
struct FUniformBufferCopyInfo
|
|
{
|
|
uint16 SourceOffsetInFloats;
|
|
uint8 SourceUBIndex;
|
|
uint8 DestUBIndex;
|
|
uint8 DestUBTypeName;
|
|
uint8 DestUBTypeIndex;
|
|
uint16 DestOffsetInFloats;
|
|
uint16 SizeInFloats;
|
|
};
|
|
|
|
inline FArchive& operator<<(FArchive& Ar, FUniformBufferCopyInfo& Info)
|
|
{
|
|
Ar << Info.SourceOffsetInFloats;
|
|
Ar << Info.SourceUBIndex;
|
|
Ar << Info.DestUBIndex;
|
|
Ar << Info.DestUBTypeName;
|
|
if (Ar.IsLoading())
|
|
{
|
|
Info.DestUBTypeIndex = CrossCompiler::PackedTypeNameToTypeIndex(Info.DestUBTypeName);
|
|
}
|
|
Ar << Info.DestOffsetInFloats;
|
|
Ar << Info.SizeInFloats;
|
|
return Ar;
|
|
}
|
|
}
|