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-rw-r--r--src/3rdparty/angle/src/compiler/ConstantUnion.h256
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diff --git a/src/3rdparty/angle/src/compiler/ConstantUnion.h b/src/3rdparty/angle/src/compiler/ConstantUnion.h
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+++ b/src/3rdparty/angle/src/compiler/ConstantUnion.h
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+//
+// Copyright (c) 2002-2010 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 _CONSTANT_UNION_INCLUDED_
+#define _CONSTANT_UNION_INCLUDED_
+
+#include <assert.h>
+
+class ConstantUnion {
+public:
+ ConstantUnion()
+ {
+ iConst = 0;
+ }
+
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+ void setIConst(int i) {iConst = i; type = EbtInt; }
+ void setFConst(float f) {fConst = f; type = EbtFloat; }
+ void setBConst(bool b) {bConst = b; type = EbtBool; }
+
+ int getIConst() { return iConst; }
+ float getFConst() { return fConst; }
+ bool getBConst() { return bConst; }
+ int getIConst() const { return iConst; }
+ float getFConst() const { return fConst; }
+ bool getBConst() const { return bConst; }
+
+ bool operator==(const int i) const
+ {
+ return i == iConst;
+ }
+
+ bool operator==(const float f) const
+ {
+ return f == fConst;
+ }
+
+ bool operator==(const bool b) const
+ {
+ return b == bConst;
+ }
+
+ bool operator==(const ConstantUnion& constant) const
+ {
+ if (constant.type != type)
+ return false;
+
+ switch (type) {
+ case EbtInt:
+ return constant.iConst == iConst;
+ case EbtFloat:
+ return constant.fConst == fConst;
+ case EbtBool:
+ return constant.bConst == bConst;
+ default:
+ return false;
+ }
+ }
+
+ bool operator!=(const int i) const
+ {
+ return !operator==(i);
+ }
+
+ bool operator!=(const float f) const
+ {
+ return !operator==(f);
+ }
+
+ bool operator!=(const bool b) const
+ {
+ return !operator==(b);
+ }
+
+ bool operator!=(const ConstantUnion& constant) const
+ {
+ return !operator==(constant);
+ }
+
+ bool operator>(const ConstantUnion& constant) const
+ {
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt:
+ return iConst > constant.iConst;
+ case EbtFloat:
+ return fConst > constant.fConst;
+ default:
+ return false; // Invalid operation, handled at semantic analysis
+ }
+ }
+
+ bool operator<(const ConstantUnion& constant) const
+ {
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt:
+ return iConst < constant.iConst;
+ case EbtFloat:
+ return fConst < constant.fConst;
+ default:
+ return false; // Invalid operation, handled at semantic analysis
+ }
+ }
+
+ ConstantUnion operator+(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst + constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst + constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator-(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst - constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst - constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator*(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst * constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst * constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator%(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst % constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator>>(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst >> constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator<<(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst << constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator&(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst & constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator|(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst | constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator^(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst ^ constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator&&(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtBool: returnValue.setBConst(bConst && constant.bConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator||(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtBool: returnValue.setBConst(bConst || constant.bConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ TBasicType getType() const { return type; }
+private:
+
+ union {
+ int iConst; // used for ivec, scalar ints
+ bool bConst; // used for bvec, scalar bools
+ float fConst; // used for vec, mat, scalar floats
+ } ;
+
+ TBasicType type;
+};
+
+#endif // _CONSTANT_UNION_INCLUDED_