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Add GL_OES_standard_derivatives. Also added extension infrastructure that allows built-in symbols to be tagged with extensions and automatically error checked against them.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24002 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-11 20:31:45 +00:00
parent 115a0adc29
commit 06a37c3964
9 changed files with 150 additions and 13 deletions
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26
glslang/MachineIndependent/SymbolTable.h
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@ -81,9 +81,9 @@ class TAnonMember;
class TSymbol {
public:
POOL_ALLOCATOR_NEW_DELETE(GetThreadPoolAllocator())
explicit TSymbol(const TString *n) : name(n), writable(true) { }
explicit TSymbol(const TString *n) : name(n), writable(true), numExtensions(0), extensions(0) { }
virtual TSymbol* clone() const = 0;
virtual ~TSymbol() { }
virtual ~TSymbol() { delete [] extensions; }
virtual const TString& getName() const { return *name; }
virtual void changeName(const TString* newName) { name = newName; }
@ -97,6 +97,16 @@ public:
virtual TType& getWritableType() = 0;
virtual void setUniqueId(int id) { uniqueId = id; }
virtual int getUniqueId() const { return uniqueId; }
virtual void setExtensions(int num, const char* const exts[])
{
assert(extensions == 0);
numExtensions = num;
extensions = new const char*[numExtensions];
for (int e = 0; e < num; ++e)
extensions[e] = exts[e];
}
virtual int getNumExtensions() const { return numExtensions; }
virtual const char** getExtensions() const { return extensions; }
virtual void dump(TInfoSink &infoSink) const = 0;
virtual bool isReadOnly() const { return ! writable; }
@ -109,6 +119,11 @@ protected:
const TString *name;
unsigned int uniqueId; // For cross-scope comparing during code generation
// For tracking what extensions must be present
// (don't use if correct version/profile is present).
int numExtensions;
const char** extensions; // an array of pointers to existing constant char strings
//
// N.B.: Non-const functions that will be generally used should assert an this,
// to avoid overwriting shared symbol-table information.
@ -376,6 +391,7 @@ public:
}
void relateToOperator(const char* name, TOperator op);
void setFunctionExtensions(const char* name, int num, const char* const extensions[]);
void dump(TInfoSink &infoSink) const;
TSymbolTableLevel* clone() const;
void readOnly();
@ -551,6 +567,12 @@ public:
for (unsigned int level = 0; level < table.size(); ++level)
table[level]->relateToOperator(name, op);
}
void setFunctionExtensions(const char* name, int num, const char* const extensions[])
{
for (unsigned int level = 0; level < table.size(); ++level)
table[level]->setFunctionExtensions(name, num, extensions);
}
int getMaxSymbolId() { return uniqueId; }
void dump(TInfoSink &infoSink) const;