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/*-------------------------------------------------------------------------
* drawElements Quality Program Random Shader Generator
* ----------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Variable Value class.
*//*--------------------------------------------------------------------*/
#include "rsgVariableValue.hpp"
namespace rsg
{
namespace
{
template <class CompareOp>
bool compareValueRangesAllTrue (const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
{
DE_ASSERT(a.getType() == b.getType());
if (a.getType().isStruct())
{
int numMembers = (int)a.getType().getMembers().size();
for (int ndx = 0; ndx < numMembers; ndx++)
{
if (!compareValueRangesAllTrue<CompareOp>(a.member(ndx), b.member(ndx)))
return false;
}
}
else if (a.getType().isArray())
{
int numElements = (int)a.getType().getNumElements();
for (int ndx = 0; ndx < numElements; ndx++)
{
if (!compareValueRangesAllTrue<CompareOp>(a.arrayElement(ndx), b.arrayElement(ndx)))
return false;
}
}
else
{
int numElements = (int)a.getType().getNumElements();
switch (a.getType().getBaseType())
{
case VariableType::TYPE_FLOAT:
for (int ndx = 0; ndx < numElements; ndx++)
{
float aMin = a.component(ndx).getMin().asFloat();
float aMax = a.component(ndx).getMax().asFloat();
float bMin = b.component(ndx).getMin().asFloat();
float bMax = b.component(ndx).getMax().asFloat();
if (!CompareOp()(aMin, aMax, bMin, bMax))
return false;
}
break;
case VariableType::TYPE_INT:
case VariableType::TYPE_SAMPLER_2D:
case VariableType::TYPE_SAMPLER_CUBE:
for (int ndx = 0; ndx < numElements; ndx++)
{
int aMin = a.component(ndx).getMin().asInt();
int aMax = a.component(ndx).getMax().asInt();
int bMin = b.component(ndx).getMin().asInt();
int bMax = b.component(ndx).getMax().asInt();
if (!CompareOp()(aMin, aMax, bMin, bMax))
return false;
}
break;
case VariableType::TYPE_BOOL:
for (int ndx = 0; ndx < numElements; ndx++)
{
bool aMin = a.component(ndx).getMin().asBool();
bool aMax = a.component(ndx).getMax().asBool();
bool bMin = b.component(ndx).getMin().asBool();
bool bMax = b.component(ndx).getMax().asBool();
if (!CompareOp()(aMin, aMax, bMin, bMax))
return false;
}
break;
default:
DE_ASSERT(DE_FALSE);
return false;
}
}
return true;
}
inline int toInt (bool boolVal) { return boolVal ? 1 : 0; }
struct CompareIntersection
{
inline bool operator() (float aMin, float aMax, float bMin, float bMax) const { return (aMin <= bMax && bMin <= aMax); }
inline bool operator() (int aMin, int aMax, int bMin, int bMax) const { return (aMin <= bMax && bMin <= aMax); }
inline bool operator() (bool aMin, bool aMax, bool bMin, bool bMax) const
{
return CompareIntersection()(toInt(aMin), toInt(aMax), toInt(bMin), toInt(bMax));
}
};
struct CompareIsSubsetOf
{
inline bool operator() (float aMin, float aMax, float bMin, float bMax) const
{
return de::inRange(aMin, bMin, bMax) && de::inRange(aMax, bMin, bMax);
}
inline bool operator() (int aMin, int aMax, int bMin, int bMax) const
{
return de::inRange(aMin, bMin, bMax) && de::inRange(aMax, bMin, bMax);
}
inline bool operator() (bool aMin, bool aMax, bool bMin, bool bMax) const
{
return CompareIsSubsetOf()(toInt(aMin), toInt(aMax), toInt(bMin), toInt(bMax));
}
};
} // anonymous
bool ConstValueRangeAccess::intersects (const ConstValueRangeAccess& other) const
{
return compareValueRangesAllTrue<CompareIntersection>(*this, other);
}
bool ConstValueRangeAccess::isSubsetOf (const ConstValueRangeAccess& other) const
{
return compareValueRangesAllTrue<CompareIsSubsetOf>(*this, other);
}
bool ConstValueRangeAccess::isSupersetOf (const ConstValueRangeAccess& other) const
{
return other.isSubsetOf(*this);
}
ValueRange::ValueRange (const VariableType& type)
: m_type (type)
, m_min (type.getScalarSize())
, m_max (type.getScalarSize())
{
}
ValueRange::ValueRange (const VariableType& type, const ConstValueAccess& minVal, const ConstValueAccess& maxVal)
: m_type (type)
, m_min (type.getScalarSize())
, m_max (type.getScalarSize())
{
getMin() = minVal.value();
getMax() = maxVal.value();
}
ValueRange::ValueRange (const VariableType& type, const Scalar* minVal, const Scalar* maxVal)
: m_type (type)
, m_min (type.getScalarSize())
, m_max (type.getScalarSize())
{
getMin() = ConstValueAccess(type, minVal).value();
getMax() = ConstValueAccess(type, maxVal).value();
}
ValueRange::ValueRange (ConstValueRangeAccess other)
: m_type (other.getType())
, m_min (other.getType().getScalarSize())
, m_max (other.getType().getScalarSize())
{
getMin() = other.getMin().value();
getMax() = other.getMax().value();
}
ValueRange::~ValueRange (void)
{
}
void ValueRange::computeIntersection (ValueRange& dst, const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
{
computeIntersection(dst.asAccess(), a, b);
}
void ValueRange::computeIntersection (ValueRangeAccess dst, const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
{
DE_ASSERT(dst.getType() == a.getType() && dst.getType() == b.getType());
if (a.getType().isStruct())
{
int numMembers = (int)a.getType().getMembers().size();
for (int ndx = 0; ndx < numMembers; ndx++)
computeIntersection(dst.member(ndx), a.member(ndx), b.member(ndx));
}
else if (a.getType().isArray())
{
int numElements = (int)a.getType().getNumElements();
for (int ndx = 0; ndx < numElements; ndx++)
computeIntersection(dst.arrayElement(ndx), a.arrayElement(ndx), b.arrayElement(ndx));
}
else
{
int numElements = (int)a.getType().getNumElements();
switch (a.getType().getBaseType())
{
case VariableType::TYPE_FLOAT:
for (int ndx = 0; ndx < numElements; ndx++)
{
float aMin = a.component(ndx).getMin().asFloat();
float aMax = a.component(ndx).getMax().asFloat();
float bMin = b.component(ndx).getMin().asFloat();
float bMax = b.component(ndx).getMax().asFloat();
dst.component(ndx).getMin() = de::max(aMin, bMin);
dst.component(ndx).getMax() = de::min(aMax, bMax);
}
break;
case VariableType::TYPE_INT:
case VariableType::TYPE_SAMPLER_2D:
case VariableType::TYPE_SAMPLER_CUBE:
for (int ndx = 0; ndx < numElements; ndx++)
{
int aMin = a.component(ndx).getMin().asInt();
int aMax = a.component(ndx).getMax().asInt();
int bMin = b.component(ndx).getMin().asInt();
int bMax = b.component(ndx).getMax().asInt();
dst.component(ndx).getMin() = de::max(aMin, bMin);
dst.component(ndx).getMax() = de::min(aMax, bMax);
}
break;
case VariableType::TYPE_BOOL:
for (int ndx = 0; ndx < numElements; ndx++)
{
bool aMin = a.component(ndx).getMin().asBool();
bool aMax = a.component(ndx).getMax().asBool();
bool bMin = b.component(ndx).getMin().asBool();
bool bMax = b.component(ndx).getMax().asBool();
dst.component(ndx).getMin() = aMin || bMin;
dst.component(ndx).getMax() = aMax && bMax;
}
break;
default:
DE_ASSERT(DE_FALSE);
}
}
}
VariableValue::VariableValue (const VariableValue& other)
: m_variable(other.m_variable)
, m_storage(other.m_variable->getType())
{
m_storage.getValue(getType()) = other.getValue().value();
}
VariableValue& VariableValue::operator= (const VariableValue& other)
{
m_variable = other.m_variable;
m_storage.setStorage(getType());
m_storage.getValue(getType()) = other.getValue().value();
return *this;
}
} // rsg