Пример #1
0
bool FunctionInvocation::FunctionInvocationCompare::operator ()(FunctionInvocation const& lhs, FunctionInvocation const& rhs) const
{
    // Check the function names first
    if (lhs.getFunctionName() != rhs.getFunctionName())
        return false;

    // Next check the return type
    if (lhs.getReturnType() != rhs.getReturnType())
        return false;

    // Check the number of operands
    if (lhs.mOperands.size() != rhs.mOperands.size())
        return false;

    // Now that we've gotten past the two quick tests, iterate over operands
    // Check the semantic and type.  The operands must be in the same order as well.
    OperandVector::const_iterator itLHSOps = lhs.mOperands.begin();
    OperandVector::const_iterator itRHSOps = rhs.mOperands.begin();
    for ( ; ((itLHSOps != lhs.mOperands.end()) && (itRHSOps != rhs.mOperands.end())); ++itLHSOps, ++itRHSOps)
    {
        if (itLHSOps->getSemantic() != itRHSOps->getSemantic())
            return false;

        GpuConstantType leftType    = itLHSOps->getParameter()->getType();
        GpuConstantType rightType   = itRHSOps->getParameter()->getType();
        
        if (Ogre::Root::getSingletonPtr()->getRenderSystem()->getName().find("OpenGL ES 2") != String::npos)
        {
            if (leftType == GCT_SAMPLER1D)
                leftType = GCT_SAMPLER2D;

            if (rightType == GCT_SAMPLER1D)
                rightType = GCT_SAMPLER2D;
        }

        // If a swizzle mask is being applied to the parameter, generate the GpuConstantType to
        // perform the parameter type comparison the way that the compiler will see it.
        if ((itLHSOps->getFloatCount(itLHSOps->getMask()) > 0) ||
           (itRHSOps->getFloatCount(itRHSOps->getMask()) > 0))
        {
            if (itLHSOps->getFloatCount(itLHSOps->getMask()) > 0)
            {
                leftType = (GpuConstantType)((itLHSOps->getParameter()->getType() - itLHSOps->getParameter()->getType()) +
                                             itLHSOps->getFloatCount(itLHSOps->getMask()));
            }
            if (itRHSOps->getFloatCount(itRHSOps->getMask()) > 0)
            {
                rightType = (GpuConstantType)((itRHSOps->getParameter()->getType() - itRHSOps->getParameter()->getType()) +
                                             itRHSOps->getFloatCount(itRHSOps->getMask()));
            }
        }

        if (leftType != rightType)
            return false;
    }

    // Passed all tests, they are the same
    return true;
}
Пример #2
0
bool FunctionInvocation::FunctionInvocationLessThan::operator ()(FunctionInvocation const& lhs, FunctionInvocation const& rhs) const
{
    // Check the function names first
    // Adding an exception to std::string sorting.  I feel that functions beginning with an underscore should be placed before
    // functions beginning with an alphanumeric character.  By default strings are sorted based on the ASCII value of each character.
    // Underscores have an ASCII value in between capital and lowercase characters.  This is why the exception is needed.
    if (lhs.getFunctionName() < rhs.getFunctionName())
    {
        if(rhs.getFunctionName().at(0) == '_')
            return false;
        else
            return true;
    }
    if (lhs.getFunctionName() > rhs.getFunctionName())
    {
        if(lhs.getFunctionName().at(0) == '_')
            return true;
        else
            return false;
    }

    // Next check the return type
    if (lhs.getReturnType() < rhs.getReturnType())
        return true;
    if (lhs.getReturnType() > rhs.getReturnType())
        return false;

    // Check the number of operands
    if (lhs.mOperands.size() < rhs.mOperands.size())
        return true;
    if (lhs.mOperands.size() > rhs.mOperands.size())
        return false;

    // Now that we've gotten past the two quick tests, iterate over operands
    // Check the semantic and type.  The operands must be in the same order as well.
    OperandVector::const_iterator itLHSOps = lhs.mOperands.begin();
    OperandVector::const_iterator itRHSOps = rhs.mOperands.begin();

    for ( ; ((itLHSOps != lhs.mOperands.end()) && (itRHSOps != rhs.mOperands.end())); ++itLHSOps, ++itRHSOps)
    {
        if (itLHSOps->getSemantic() < itRHSOps->getSemantic())
            return true;
        if (itLHSOps->getSemantic() > itRHSOps->getSemantic())
            return false;

        GpuConstantType leftType    = itLHSOps->getParameter()->getType();
        GpuConstantType rightType   = itRHSOps->getParameter()->getType();
        
        if (Ogre::Root::getSingletonPtr()->getRenderSystem()->getName().find("OpenGL ES 2") != String::npos)
        {
            if (leftType == GCT_SAMPLER1D)
                leftType = GCT_SAMPLER2D;

            if (rightType == GCT_SAMPLER1D)
                rightType = GCT_SAMPLER2D;
        }

        // If a swizzle mask is being applied to the parameter, generate the GpuConstantType to
        // perform the parameter type comparison the way that the compiler will see it.
        if ((itLHSOps->getFloatCount(itLHSOps->getMask()) > 0) ||
           (itRHSOps->getFloatCount(itRHSOps->getMask()) > 0))
        {
            if (itLHSOps->getFloatCount(itLHSOps->getMask()) > 0)
            {
                leftType = (GpuConstantType)((itLHSOps->getParameter()->getType() - itLHSOps->getParameter()->getType()) +
                                             itLHSOps->getFloatCount(itLHSOps->getMask()));
            }
            if (itRHSOps->getFloatCount(itRHSOps->getMask()) > 0)
            {
                rightType = (GpuConstantType)((itRHSOps->getParameter()->getType() - itRHSOps->getParameter()->getType()) +
                                             itRHSOps->getFloatCount(itRHSOps->getMask()));
            }
        }

        if (leftType < rightType)
            return true;
        if (leftType > rightType)
            return false;
    }

    return false;
}