You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
3f0a1b9fb2
#rb yuriy.odonnell #preflight 611d572d9db7df000134eb13 #ROBOMERGE-SOURCE: CL 17222098 via CL 17222140 #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v855-17104924) [CL 17222165 by guillaume abadie in ue5-release-engine-test branch]
563 lines
20 KiB
C++
563 lines
20 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
/*=============================================================================
|
|
ShaderParameterStruct.cpp: Shader parameter struct implementations.
|
|
=============================================================================*/
|
|
|
|
#include "ShaderParameterStruct.h"
|
|
|
|
|
|
/** Context of binding a map. */
|
|
struct FShaderParameterStructBindingContext
|
|
{
|
|
// Shader having its parameter bound.
|
|
const FShader* Shader;
|
|
|
|
// Bindings to bind.
|
|
FShaderParameterBindings* Bindings;
|
|
|
|
// The shader parameter map from the compilation.
|
|
const FShaderParameterMap* ParametersMap;
|
|
|
|
// Map of global shader name that were bound to C++ members.
|
|
TMap<FString, FString> ShaderGlobalScopeBindings;
|
|
|
|
// C++ name of the render target binding slot.
|
|
FString RenderTargetBindingSlotCppName;
|
|
|
|
// Shader PermutationId
|
|
int32 PermutationId;
|
|
|
|
// Whether this is for legacy shader parameter settings, or root shader parameter structures/
|
|
bool bUseRootShaderParameters;
|
|
|
|
|
|
void Bind(
|
|
const FShaderParametersMetadata& StructMetaData,
|
|
const TCHAR* MemberPrefix,
|
|
uint32 GeneralByteOffset)
|
|
{
|
|
const TArray<FShaderParametersMetadata::FMember>& StructMembers = StructMetaData.GetMembers();
|
|
|
|
for (const FShaderParametersMetadata::FMember& Member : StructMembers)
|
|
{
|
|
EUniformBufferBaseType BaseType = Member.GetBaseType();
|
|
|
|
FString CppName = FString::Printf(TEXT("%s::%s"), StructMetaData.GetStructTypeName(), Member.GetName());
|
|
|
|
// Ignore rasterizer binding slots entirely since this actually have nothing to do with a shader.
|
|
if (BaseType == UBMT_RENDER_TARGET_BINDING_SLOTS)
|
|
{
|
|
if (!RenderTargetBindingSlotCppName.IsEmpty())
|
|
{
|
|
UE_LOG(LogShaders, Fatal, TEXT("Render target binding slots collision: %s & %s"),
|
|
*RenderTargetBindingSlotCppName, *CppName);
|
|
}
|
|
RenderTargetBindingSlotCppName = CppName;
|
|
continue;
|
|
}
|
|
|
|
// Ignore RDG access types when binding to shaders.
|
|
if (IsRDGResourceAccessType(BaseType))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// Compute the shader member name to look for according to nesting.
|
|
FString ShaderBindingName = FString::Printf(TEXT("%s%s"), MemberPrefix, Member.GetName());
|
|
|
|
uint16 ByteOffset = uint16(GeneralByteOffset + Member.GetOffset());
|
|
check(uint32(ByteOffset) == GeneralByteOffset + Member.GetOffset());
|
|
|
|
const uint32 ArraySize = Member.GetNumElements();
|
|
const bool bIsArray = ArraySize > 0;
|
|
const bool bIsRHIResource = (
|
|
BaseType == UBMT_TEXTURE ||
|
|
BaseType == UBMT_SRV ||
|
|
BaseType == UBMT_UAV ||
|
|
BaseType == UBMT_SAMPLER);
|
|
|
|
const bool bIsRDGResource =
|
|
IsRDGResourceReferenceShaderParameterType(BaseType);
|
|
|
|
const bool bIsVariableNativeType = (
|
|
BaseType == UBMT_INT32 ||
|
|
BaseType == UBMT_UINT32 ||
|
|
BaseType == UBMT_FLOAT32);
|
|
|
|
checkf(BaseType != UBMT_BOOL, TEXT("Should have failed in FShaderParametersMetadata::InitializeLayout()"));
|
|
|
|
if (BaseType == UBMT_INCLUDED_STRUCT)
|
|
{
|
|
checkf(!bIsArray, TEXT("Array of included structure is impossible."));
|
|
Bind(
|
|
*Member.GetStructMetadata(),
|
|
/* MemberPrefix = */ MemberPrefix,
|
|
/* GeneralByteOffset = */ ByteOffset);
|
|
continue;
|
|
}
|
|
else if (BaseType == UBMT_NESTED_STRUCT && bIsArray)
|
|
{
|
|
const FShaderParametersMetadata* ChildStruct = Member.GetStructMetadata();
|
|
uint32 StructSize = ChildStruct->GetSize();
|
|
for (uint32 ArrayElementId = 0; ArrayElementId < (bIsArray ? ArraySize : 1u); ArrayElementId++)
|
|
{
|
|
FString NewPrefix = FString::Printf(TEXT("%s%s_%d_"), MemberPrefix, Member.GetName(), ArrayElementId);
|
|
Bind(
|
|
*ChildStruct,
|
|
/* MemberPrefix = */ *NewPrefix,
|
|
/* GeneralByteOffset = */ ByteOffset + ArrayElementId * StructSize);
|
|
}
|
|
continue;
|
|
}
|
|
else if (BaseType == UBMT_NESTED_STRUCT && !bIsArray)
|
|
{
|
|
FString NewPrefix = FString::Printf(TEXT("%s%s_"), MemberPrefix, Member.GetName());
|
|
Bind(
|
|
*Member.GetStructMetadata(),
|
|
/* MemberPrefix = */ *NewPrefix,
|
|
/* GeneralByteOffset = */ ByteOffset);
|
|
continue;
|
|
}
|
|
else if (BaseType == UBMT_REFERENCED_STRUCT || BaseType == UBMT_RDG_UNIFORM_BUFFER)
|
|
{
|
|
checkf(!bIsArray, TEXT("Array of referenced structure is not supported, because the structure is globally uniquely named."));
|
|
// The member name of a globally referenced struct is the not name on the struct.
|
|
ShaderBindingName = Member.GetStructMetadata()->GetShaderVariableName();
|
|
}
|
|
else if (bUseRootShaderParameters && bIsVariableNativeType)
|
|
{
|
|
// Constants are stored in the root shader parameter cbuffer when bUseRootShaderParameters == true.
|
|
continue;
|
|
}
|
|
|
|
const bool bIsResourceArray = bIsArray && (bIsRHIResource || bIsRDGResource);
|
|
|
|
for (uint32 ArrayElementId = 0; ArrayElementId < (bIsResourceArray ? ArraySize : 1u); ArrayElementId++)
|
|
{
|
|
FString ElementShaderBindingName;
|
|
if (bIsResourceArray)
|
|
{
|
|
if (0) // HLSLCC does not support array of resources.
|
|
ElementShaderBindingName = FString::Printf(TEXT("%s[%d]"), *ShaderBindingName, ArrayElementId);
|
|
else
|
|
ElementShaderBindingName = FString::Printf(TEXT("%s_%d"), *ShaderBindingName, ArrayElementId);
|
|
}
|
|
else
|
|
{
|
|
ElementShaderBindingName = ShaderBindingName;
|
|
}
|
|
|
|
if (ShaderGlobalScopeBindings.Contains(ElementShaderBindingName))
|
|
{
|
|
UE_LOG(LogShaders, Fatal, TEXT("%s can't bind shader parameter %s, because it has already be bound by %s."), *CppName, *ElementShaderBindingName, **ShaderGlobalScopeBindings.Find(ShaderBindingName));
|
|
}
|
|
|
|
uint16 BufferIndex, BaseIndex, BoundSize;
|
|
if (!ParametersMap->FindParameterAllocation(*ElementShaderBindingName, BufferIndex, BaseIndex, BoundSize))
|
|
{
|
|
continue;
|
|
}
|
|
ShaderGlobalScopeBindings.Add(ElementShaderBindingName, CppName);
|
|
|
|
if (bIsVariableNativeType)
|
|
{
|
|
checkf(ArrayElementId == 0, TEXT("The entire array should be bound instead for RHI parameter submission performance."));
|
|
uint32 ByteSize = Member.GetMemberSize();
|
|
|
|
FShaderParameterBindings::FParameter Parameter;
|
|
Parameter.BufferIndex = BufferIndex;
|
|
Parameter.BaseIndex = BaseIndex;
|
|
Parameter.ByteOffset = ByteOffset;
|
|
Parameter.ByteSize = BoundSize;
|
|
|
|
if (uint32(BoundSize) > ByteSize)
|
|
{
|
|
UE_LOG(LogShaders, Fatal, TEXT("The size required to bind shader %s's (Permutation Id %d) struct %s parameter %s is %i bytes, smaller than %s's %i bytes."),
|
|
Shader->GetTypeUnfrozen()->GetName(), PermutationId, StructMetaData.GetStructTypeName(),
|
|
*ElementShaderBindingName, BoundSize, *CppName, ByteSize);
|
|
}
|
|
|
|
Bindings->Parameters.Add(Parameter);
|
|
}
|
|
else if (BaseType == UBMT_REFERENCED_STRUCT || BaseType == UBMT_RDG_UNIFORM_BUFFER)
|
|
{
|
|
check(!bIsArray);
|
|
FShaderParameterBindings::FParameterStructReference Parameter;
|
|
Parameter.BufferIndex = BufferIndex;
|
|
Parameter.ByteOffset = ByteOffset;
|
|
|
|
if (BaseType == UBMT_REFERENCED_STRUCT)
|
|
{
|
|
Bindings->ParameterReferences.Add(Parameter);
|
|
}
|
|
else
|
|
{
|
|
Bindings->GraphUniformBuffers.Add(Parameter);
|
|
}
|
|
}
|
|
else if (bIsRHIResource || bIsRDGResource)
|
|
{
|
|
checkf(BaseIndex < 256, TEXT("BaseIndex does not fit into uint8. Change FResourceParameter::BaseIndex type to uint16"));
|
|
|
|
FShaderParameterBindings::FResourceParameter Parameter;
|
|
Parameter.BaseIndex = (uint8)BaseIndex;
|
|
Parameter.ByteOffset = ByteOffset + ArrayElementId * SHADER_PARAMETER_POINTER_ALIGNMENT;
|
|
Parameter.BaseType = BaseType;
|
|
|
|
if (BoundSize != 1)
|
|
{
|
|
UE_LOG(LogShaders, Fatal,
|
|
TEXT("Error with shader %s's (Permutation Id %d) parameter %s is %i bytes, cpp name = %s.")
|
|
TEXT("The shader compiler should give precisely which elements of an array did not get compiled out, ")
|
|
TEXT("for optimal automatic render graph pass dependency with ClearUnusedGraphResources()."),
|
|
Shader->GetTypeUnfrozen()->GetName(), PermutationId,
|
|
*ElementShaderBindingName, BoundSize, *CppName);
|
|
}
|
|
|
|
Bindings->ResourceParameters.Add(Parameter);
|
|
}
|
|
else
|
|
{
|
|
checkf(0, TEXT("Unexpected base type for a shader parameter struct member."));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
void FShaderParameterBindings::BindForLegacyShaderParameters(const FShader* Shader, int32 PermutationId, const FShaderParameterMap& ParametersMap, const FShaderParametersMetadata& StructMetaData, bool bShouldBindEverything)
|
|
{
|
|
const FShaderType* Type = Shader->GetTypeUnfrozen();
|
|
checkf(StructMetaData.GetSize() < (1 << (sizeof(uint16) * 8)), TEXT("Shader parameter structure can only have a size < 65536 bytes."));
|
|
check(this == &Shader->Bindings);
|
|
|
|
switch (Type->GetFrequency())
|
|
{
|
|
#if PLATFORM_SUPPORTS_MESH_SHADERS
|
|
case SF_Mesh:
|
|
case SF_Amplification:
|
|
#endif
|
|
case SF_Vertex:
|
|
case SF_Pixel:
|
|
case SF_Geometry:
|
|
case SF_Compute:
|
|
break;
|
|
default:
|
|
checkf(0, TEXT("Invalid shader frequency for this shader binding technique."));
|
|
break;
|
|
}
|
|
|
|
FShaderParameterStructBindingContext BindingContext;
|
|
BindingContext.Shader = Shader;
|
|
BindingContext.PermutationId = PermutationId;
|
|
BindingContext.Bindings = this;
|
|
BindingContext.ParametersMap = &ParametersMap;
|
|
|
|
// When using a stable root constant buffer, can submit all shader parameters in one RHISetShaderParameter()
|
|
{
|
|
const TCHAR* ShaderBindingName = FShaderParametersMetadata::kRootUniformBufferBindingName;
|
|
BindingContext.bUseRootShaderParameters = ParametersMap.ContainsParameterAllocation(ShaderBindingName);
|
|
|
|
if (BindingContext.bUseRootShaderParameters)
|
|
{
|
|
const FParameterAllocation& Allocation = ParametersMap.ParameterMap.FindChecked(ShaderBindingName);
|
|
|
|
check(int32(Allocation.BufferIndex) == FShaderParametersMetadata::kRootCBufferBindingIndex);
|
|
check(uint32(Allocation.BaseIndex + Allocation.Size) <= StructMetaData.GetSize());
|
|
check(Allocation.Type == EShaderParameterType::LooseData);
|
|
|
|
FShaderParameterBindings::FParameter Parameter;
|
|
Parameter.BufferIndex = Allocation.BufferIndex;
|
|
Parameter.BaseIndex = Allocation.BaseIndex;
|
|
Parameter.ByteOffset = Allocation.BaseIndex;
|
|
Parameter.ByteSize = Allocation.Size;
|
|
|
|
Parameters.Add(Parameter);
|
|
|
|
BindingContext.ShaderGlobalScopeBindings.Add(ShaderBindingName, StructMetaData.GetStructTypeName());
|
|
Allocation.bBound = true;
|
|
}
|
|
}
|
|
|
|
BindingContext.Bind(
|
|
StructMetaData,
|
|
/* MemberPrefix = */ TEXT(""),
|
|
/* ByteOffset = */ 0);
|
|
|
|
StructureLayoutHash = StructMetaData.GetLayoutHash();
|
|
RootParameterBufferIndex = kInvalidBufferIndex;
|
|
|
|
TArray<FString> AllParameterNames;
|
|
ParametersMap.GetAllParameterNames(AllParameterNames);
|
|
if (bShouldBindEverything && BindingContext.ShaderGlobalScopeBindings.Num() != AllParameterNames.Num())
|
|
{
|
|
FString ErrorString = FString::Printf(
|
|
TEXT("Shader %s, permutation %d has unbound parameters not represented in the parameter struct:"), Type->GetName(), PermutationId);
|
|
|
|
for (const FString& GlobalParameterName : AllParameterNames)
|
|
{
|
|
if (!BindingContext.ShaderGlobalScopeBindings.Contains(GlobalParameterName))
|
|
{
|
|
ErrorString += FString::Printf(TEXT("\n %s"), *GlobalParameterName);
|
|
}
|
|
}
|
|
|
|
ensureMsgf(false, TEXT("%s"), *ErrorString);
|
|
}
|
|
}
|
|
|
|
void FShaderParameterBindings::BindForRootShaderParameters(const FShader* Shader, int32 PermutationId, const FShaderParameterMap& ParametersMap)
|
|
{
|
|
const FShaderType* Type = Shader->GetTypeUnfrozen();
|
|
check(this == &Shader->Bindings);
|
|
check(Type->GetRootParametersMetadata());
|
|
|
|
const FShaderParametersMetadata& StructMetaData = *Type->GetRootParametersMetadata();
|
|
checkf(StructMetaData.GetSize() < (1 << (sizeof(uint16) * 8)), TEXT("Shader parameter structure can only have a size < 65536 bytes."));
|
|
|
|
switch (Type->GetFrequency())
|
|
{
|
|
case SF_RayGen:
|
|
case SF_RayMiss:
|
|
case SF_RayHitGroup:
|
|
case SF_RayCallable:
|
|
break;
|
|
default:
|
|
checkf(0, TEXT("Invalid shader frequency for this shader binding technic."));
|
|
break;
|
|
}
|
|
|
|
FShaderParameterStructBindingContext BindingContext;
|
|
BindingContext.Shader = Shader;
|
|
BindingContext.PermutationId = PermutationId;
|
|
BindingContext.Bindings = this;
|
|
BindingContext.ParametersMap = &ParametersMap;
|
|
BindingContext.bUseRootShaderParameters = true;
|
|
BindingContext.Bind(
|
|
StructMetaData,
|
|
/* MemberPrefix = */ TEXT(""),
|
|
/* ByteOffset = */ 0);
|
|
|
|
StructureLayoutHash = StructMetaData.GetLayoutHash();
|
|
|
|
// Binds the uniform buffer that contains the root shader parameters.
|
|
{
|
|
const TCHAR* ShaderBindingName = FShaderParametersMetadata::kRootUniformBufferBindingName;
|
|
uint16 BufferIndex, BaseIndex, BoundSize;
|
|
if (ParametersMap.FindParameterAllocation(ShaderBindingName, BufferIndex, BaseIndex, BoundSize))
|
|
{
|
|
BindingContext.ShaderGlobalScopeBindings.Add(ShaderBindingName, ShaderBindingName);
|
|
RootParameterBufferIndex = BufferIndex;
|
|
}
|
|
else
|
|
{
|
|
check(RootParameterBufferIndex == FShaderParameterBindings::kInvalidBufferIndex);
|
|
}
|
|
}
|
|
|
|
TArray<FString> AllParameterNames;
|
|
ParametersMap.GetAllParameterNames(AllParameterNames);
|
|
if (BindingContext.ShaderGlobalScopeBindings.Num() != AllParameterNames.Num())
|
|
{
|
|
FString ErrorString = FString::Printf(
|
|
TEXT("Shader %s, permutation %d has unbound parameters not represented in the parameter struct:"),
|
|
Type->GetName(), PermutationId);
|
|
|
|
for (const FString& GlobalParameterName : AllParameterNames)
|
|
{
|
|
if (!BindingContext.ShaderGlobalScopeBindings.Contains(GlobalParameterName))
|
|
{
|
|
ErrorString += FString::Printf(TEXT("\n %s"), *GlobalParameterName);
|
|
}
|
|
}
|
|
|
|
UE_LOG(LogShaders, Fatal, TEXT("%s"), *ErrorString);
|
|
}
|
|
}
|
|
|
|
bool FRenderTargetBinding::Validate() const
|
|
{
|
|
if (!Texture)
|
|
{
|
|
checkf(LoadAction == ERenderTargetLoadAction::ENoAction,
|
|
TEXT("Can't have a load action when no texture is bound."));
|
|
|
|
checkf(!ResolveTexture, TEXT("Can't have a resolve texture when no render target texture is bound."));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool FDepthStencilBinding::Validate() const
|
|
{
|
|
if (Texture)
|
|
{
|
|
EPixelFormat PixelFormat = Texture->Desc.Format;
|
|
const TCHAR* FormatString = GetPixelFormatString(PixelFormat);
|
|
|
|
bool bIsDepthFormat = PixelFormat == PF_DepthStencil || PixelFormat == PF_ShadowDepth || PixelFormat == PF_D24 || PixelFormat == PF_R32_FLOAT;
|
|
checkf(bIsDepthFormat,
|
|
TEXT("Can't bind texture %s as a depth stencil because its pixel format is %s."),
|
|
Texture->Name, FormatString);
|
|
|
|
checkf(DepthStencilAccess != FExclusiveDepthStencil::DepthNop_StencilNop,
|
|
TEXT("Texture %s is bound but both depth / stencil are set to no-op."),
|
|
Texture->Name);
|
|
|
|
bool bHasStencil = PixelFormat == PF_DepthStencil;
|
|
if (!bHasStencil)
|
|
{
|
|
checkf(StencilLoadAction == ERenderTargetLoadAction::ENoAction,
|
|
TEXT("Unable to load stencil of texture %s that have a pixel format %s that does not support stencil."),
|
|
Texture->Name, FormatString);
|
|
|
|
checkf(!DepthStencilAccess.IsUsingStencil(),
|
|
TEXT("Unable to have stencil access on texture %s that have a pixel format %s that does not support stencil."),
|
|
Texture->Name, FormatString);
|
|
}
|
|
|
|
bool bReadDepth = DepthStencilAccess.IsUsingDepth() && !DepthStencilAccess.IsDepthWrite();
|
|
bool bReadStencil = DepthStencilAccess.IsUsingStencil() && !DepthStencilAccess.IsStencilWrite();
|
|
|
|
checkf(!(bReadDepth && DepthLoadAction != ERenderTargetLoadAction::ELoad),
|
|
TEXT("Depth read access without depth load action on texture %s."),
|
|
Texture->Name);
|
|
|
|
checkf(!(bReadStencil && StencilLoadAction != ERenderTargetLoadAction::ELoad),
|
|
TEXT("Stencil read access without stencil load action on texture %s."),
|
|
Texture->Name);
|
|
}
|
|
else
|
|
{
|
|
checkf(DepthLoadAction == ERenderTargetLoadAction::ENoAction,
|
|
TEXT("Can't have a depth load action when no texture is bound."));
|
|
checkf(StencilLoadAction == ERenderTargetLoadAction::ENoAction,
|
|
TEXT("Can't have a stencil load action when no texture is bound."));
|
|
checkf(DepthStencilAccess == FExclusiveDepthStencil::DepthNop_StencilNop,
|
|
TEXT("Can't have a depth stencil access when no texture is bound."));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void EmitNullShaderParameterFatalError(const TShaderRef<FShader>& Shader, const FShaderParametersMetadata* ParametersMetadata, uint16 MemberOffset)
|
|
{
|
|
FString MemberName = ParametersMetadata->GetFullMemberCodeName(MemberOffset);
|
|
|
|
const TCHAR* ShaderClassName = Shader.GetType()->GetName();
|
|
|
|
UE_LOG(LogShaders, Fatal,
|
|
TEXT("%s's required shader parameter %s::%s was not set."),
|
|
ShaderClassName,
|
|
ParametersMetadata->GetStructTypeName(),
|
|
*MemberName);
|
|
}
|
|
|
|
#if DO_CHECK
|
|
|
|
void ValidateShaderParameters(const TShaderRef<FShader>& Shader, const FShaderParametersMetadata* ParametersMetadata, const void* Parameters)
|
|
{
|
|
const FShaderParameterBindings& Bindings = Shader->Bindings;
|
|
|
|
checkf(
|
|
Bindings.StructureLayoutHash == ParametersMetadata->GetLayoutHash(),
|
|
TEXT("Shader %s's parameter structure has changed without recompilation of the shader"),
|
|
Shader.GetType()->GetName());
|
|
|
|
const uint8* Base = reinterpret_cast<const uint8*>(Parameters);
|
|
|
|
const TCHAR* ShaderClassName = Shader.GetType()->GetName();
|
|
const TCHAR* ShaderParameterStructName = ParametersMetadata->GetStructTypeName();
|
|
|
|
for (const FShaderParameterBindings::FResourceParameter& ParameterBinding : Bindings.ResourceParameters)
|
|
{
|
|
EUniformBufferBaseType BaseType = (EUniformBufferBaseType)ParameterBinding.BaseType;
|
|
switch (BaseType)
|
|
{
|
|
case UBMT_TEXTURE:
|
|
case UBMT_SRV:
|
|
case UBMT_UAV:
|
|
case UBMT_SAMPLER:
|
|
{
|
|
FRHIResource* ShaderParameterRef = *(FRHIResource**)(Base + ParameterBinding.ByteOffset);
|
|
if (!ShaderParameterRef)
|
|
{
|
|
EmitNullShaderParameterFatalError(Shader, ParametersMetadata, ParameterBinding.ByteOffset);
|
|
}
|
|
}
|
|
break;
|
|
case UBMT_RDG_TEXTURE:
|
|
{
|
|
const FRDGTexture* GraphTexture = *reinterpret_cast<const FRDGTexture* const*>(Base + ParameterBinding.ByteOffset);
|
|
if (!GraphTexture)
|
|
{
|
|
EmitNullShaderParameterFatalError(Shader, ParametersMetadata, ParameterBinding.ByteOffset);
|
|
}
|
|
}
|
|
break;
|
|
case UBMT_RDG_TEXTURE_SRV:
|
|
case UBMT_RDG_TEXTURE_UAV:
|
|
case UBMT_RDG_BUFFER_SRV:
|
|
case UBMT_RDG_BUFFER_UAV:
|
|
{
|
|
const FRDGResource* GraphResource = *reinterpret_cast<const FRDGResource* const*>(Base + ParameterBinding.ByteOffset);
|
|
if (!GraphResource)
|
|
{
|
|
EmitNullShaderParameterFatalError(Shader, ParametersMetadata, ParameterBinding.ByteOffset);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Graph Uniform Buffers
|
|
for (const FShaderParameterBindings::FParameterStructReference& ParameterBinding : Bindings.GraphUniformBuffers)
|
|
{
|
|
const FRDGUniformBufferBinding& UniformBufferBinding = *reinterpret_cast<const FRDGUniformBufferBinding*>(Base + ParameterBinding.ByteOffset);
|
|
|
|
if (!UniformBufferBinding)
|
|
{
|
|
EmitNullShaderParameterFatalError(Shader, ParametersMetadata, ParameterBinding.ByteOffset);
|
|
}
|
|
}
|
|
|
|
// Reference structures
|
|
for (const FShaderParameterBindings::FParameterStructReference& ParameterBinding : Bindings.ParameterReferences)
|
|
{
|
|
const FUniformBufferBinding& UniformBufferBinding = *reinterpret_cast<const FUniformBufferBinding*>(Base + ParameterBinding.ByteOffset);
|
|
|
|
if (!UniformBufferBinding)
|
|
{
|
|
EmitNullShaderParameterFatalError(Shader, ParametersMetadata, ParameterBinding.ByteOffset);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ValidateShaderParameterResourcesRHI(const void* Contents, const FRHIUniformBufferLayout& Layout)
|
|
{
|
|
for (int32 Index = 0, Count = Layout.Resources.Num(); Index < Count; ++Index)
|
|
{
|
|
const auto Parameter = Layout.Resources[Index];
|
|
|
|
FRHIResource* Resource = GetShaderParameterResourceRHI(Contents, Parameter.MemberOffset, Parameter.MemberType);
|
|
|
|
const bool bSRV =
|
|
Parameter.MemberType == UBMT_SRV ||
|
|
Parameter.MemberType == UBMT_RDG_TEXTURE_SRV ||
|
|
Parameter.MemberType == UBMT_RDG_BUFFER_SRV;
|
|
|
|
// Allow null SRV's in uniform buffers for feature levels that don't support SRV's in shaders
|
|
if (GMaxRHIFeatureLevel <= ERHIFeatureLevel::ES3_1 && bSRV)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
checkf(Resource, TEXT("Null resource entry in uniform buffer parameters: %s.Resources[%u], ResourceType 0x%x."), *Layout.GetDebugName(), Index, Parameter.MemberType);
|
|
}
|
|
}
|
|
|
|
#endif // DO_CHECK
|