1 files changed, 91 insertions, 0 deletions
diff --git a/gfx/angle/src/compiler/translator/ConstantUnion.h b/gfx/angle/src/compiler/translator/ConstantUnion.h
new file mode 100755
index 000000000..f6222ce5a
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/ConstantUnion.h
@@ -0,0 +1,91 @@
+//
+// Copyright (c) 2002-2014 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 <assert.h>
+
+#include "compiler/translator/Common.h"
+#include "compiler/translator/BaseTypes.h"
+
+namespace sh
+{
+
+class TDiagnostics;
+
+class TConstantUnion
+{
+  public:
+    POOL_ALLOCATOR_NEW_DELETE();
+    TConstantUnion();
+
+    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; }
+
+    int getIConst() const { return iConst; }
+    unsigned int getUConst() const { return uConst; }
+    float getFConst() const { return fConst; }
+    bool getBConst() const { return bConst; }
+
+    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 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 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
+    };
+
+    TBasicType type;
+};
+
+}  // namespace sh
+
+#endif // COMPILER_TRANSLATOR_CONSTANTUNION_H_