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Add DXIL bitstream parsing support for LEXICAL_BLOCK_FILE

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This commit is contained in:
Jake Turner
2026-09-23 12:53:06 +01:00
parent b299a12234
commit 391227ea7b
3 changed files with 39 additions and 0 deletions
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renderdoc/driver/shaders/dxil/dxil_bytecode.h
+1
View File
@@ -1236,6 +1236,7 @@ struct DIBase
LocalVariable,
Expression,
LexicalBlock,
LexicalBlockFile,
Subrange,
Namespace,
ImportedEntity,
renderdoc/driver/shaders/dxil/dxil_debuginfo.cpp
+23
View File
@@ -274,6 +274,15 @@ bool Program::ParseDebugMetaRecord(MetadataList &metadata, const LLVMBC::BlockOr
meta.dwarf = expr;
}
else if(id == LLVMBC::MetaDataRecord::LEXICAL_BLOCK_FILE)
{
meta.isDistinct = (metaRecord.ops[0] & 0x1);
meta.dwarf = new DILexicalBlockFile(metadata.getOrNULL(metaRecord.ops[1]),
metadata.getOrNULL(metaRecord.ops[2]), metaRecord.ops[3]);
meta.children = {metadata.getOrNULL(metaRecord.ops[1]), metadata.getOrNULL(metaRecord.ops[2])};
}
else
{
return false;
@@ -732,6 +741,20 @@ rdcstr DILexicalBlock::toString(bool dxcStyleFormatting) const
return ret;
}
rdcstr DILexicalBlockFile::toString(bool dxcStyleFormatting) const
{
rdcstr ret = "!DILexicalBlockFile(";
if(scope)
ret += StringFormat::Fmt("scope: %s", scope->refString(dxcStyleFormatting).c_str());
else
ret += "scope: null";
if(file)
ret += StringFormat::Fmt(", file: %s", file->refString(dxcStyleFormatting).c_str());
ret += StringFormat::Fmt(", discriminator: %llu", discriminator);
ret += ")";
return ret;
}
rdcstr DISubrange::toString(bool dxcStyleFormatting) const
{
rdcstr ret = "!DISubrange(";
renderdoc/driver/shaders/dxil/dxil_debuginfo.h
+15
View File
@@ -710,6 +710,21 @@ struct DILexicalBlock : public DIBase
virtual rdcstr toString(bool dxcStyleFormatting) const;
};
struct DILexicalBlockFile : public DIBase
{
static const DIBase::Type DIType = DIBase::LexicalBlockFile;
DILexicalBlockFile(const Metadata *scope, const Metadata *file, uint64_t discriminator)
: DIBase(DIType), scope(scope), file(file), discriminator(discriminator)
{
}
const Metadata *scope;
const Metadata *file;
uint64_t discriminator;
virtual rdcstr toString(bool dxcStyleFormatting) const;
};
struct DISubrange : public DIBase
{
static const DIBase::Type DIType = DIBase::Subrange;