1 files changed, 122 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/ConstantUnion.h b/gfx/angle/checkout/src/compiler/translator/ConstantUnion.h
new file mode 100644
index 0000000000..df53857dd3
--- /dev/null
+++ b/gfx/angle/checkout/src/compiler/translator/ConstantUnion.h
@@ -0,0 +1,122 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_TRANSLATOR_CONSTANTUNION_H_
+#define COMPILER_TRANSLATOR_CONSTANTUNION_H_
+
+#include "compiler/translator/BaseTypes.h"
+#include "compiler/translator/Common.h"
+
+namespace sh
+{
+
+class TDiagnostics;
+
+class TConstantUnion
+{
+  public:
+    POOL_ALLOCATOR_NEW_DELETE
+    TConstantUnion();
+    TConstantUnion(int i);
+    TConstantUnion(unsigned int u);
+    TConstantUnion(float f);
+    TConstantUnion(bool b);
+
+    bool cast(TBasicType newType, const TConstantUnion &constant);
+
+    void setIConst(int i)
+    {
+        iConst = i;
+        type   = EbtInt;
+    }
+    void setUConst(unsigned int u)
+    {
+        uConst = u;
+        type   = EbtUInt;
+    }
+    void setFConst(float f)
+    {
+        fConst = f;
+        type   = EbtFloat;
+    }
+    void setBConst(bool b)
+    {
+        bConst = b;
+        type   = EbtBool;
+    }
+
+    void setYuvCscStandardEXTConst(TYuvCscStandardEXT s)
+    {
+        yuvCscStandardEXTConst = s;
+        type                   = EbtYuvCscStandardEXT;
+    }
+
+    int getIConst() const;
+    unsigned int getUConst() const;
+    float getFConst() const;
+    bool getBConst() const;
+    bool isZero() const;
+    TYuvCscStandardEXT getYuvCscStandardEXTConst() const;
+
+    bool operator==(const int i) const;
+    bool operator==(const unsigned int u) const;
+    bool operator==(const float f) const;
+    bool operator==(const bool b) const;
+    bool operator==(const TYuvCscStandardEXT s) const;
+    bool operator==(const TConstantUnion &constant) const;
+    bool operator!=(const int i) const;
+    bool operator!=(const unsigned int u) const;
+    bool operator!=(const float f) const;
+    bool operator!=(const bool b) const;
+    bool operator!=(const TYuvCscStandardEXT s) const;
+    bool operator!=(const TConstantUnion &constant) const;
+    bool operator>(const TConstantUnion &constant) const;
+    bool operator<(const TConstantUnion &constant) const;
+    static TConstantUnion add(const TConstantUnion &lhs,
+                              const TConstantUnion &rhs,
+                              TDiagnostics *diag,
+                              const TSourceLoc &line);
+    static TConstantUnion sub(const TConstantUnion &lhs,
+                              const TConstantUnion &rhs,
+                              TDiagnostics *diag,
+                              const TSourceLoc &line);
+    static TConstantUnion mul(const TConstantUnion &lhs,
+                              const TConstantUnion &rhs,
+                              TDiagnostics *diag,
+                              const TSourceLoc &line);
+    TConstantUnion operator%(const TConstantUnion &constant) const;
+    static TConstantUnion rshift(const TConstantUnion &lhs,
+                                 const TConstantUnion &rhs,
+                                 TDiagnostics *diag,
+                                 const TSourceLoc &line);
+    static TConstantUnion lshift(const TConstantUnion &lhs,
+                                 const TConstantUnion &rhs,
+                                 TDiagnostics *diag,
+                                 const TSourceLoc &line);
+    TConstantUnion operator&(const TConstantUnion &constant) const;
+    TConstantUnion operator|(const TConstantUnion &constant) const;
+    TConstantUnion operator^(const TConstantUnion &constant) const;
+    TConstantUnion operator&&(const TConstantUnion &constant) const;
+    TConstantUnion operator||(const TConstantUnion &constant) const;
+
+    TBasicType getType() const { return type; }
+
+  private:
+    union
+    {
+        int iConst;           // used for ivec, scalar ints
+        unsigned int uConst;  // used for uvec, scalar uints
+        bool bConst;          // used for bvec, scalar bools
+        float fConst;         // used for vec, mat, scalar floats
+        TYuvCscStandardEXT yuvCscStandardEXTConst;
+    };
+
+    TBasicType type;
+};
+
+}  // namespace sh
+
+#endif  // COMPILER_TRANSLATOR_CONSTANTUNION_H_