TShader.cpp

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#include "ToshiPCH.h"
#include "TShader.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
TDEFINE_CLASS_NORUNTIME( TShader );
 
TShader::TShader()
{
    m_State = State_None;
    sm_oShaderList.AddShader( this );
}
 
TShader::~TShader()
{
    sm_oShaderList.RemoveShader( this );
}
 
void TShader::OnDestroy()
{
    m_State &= ~State_Created;
}
 
void TShader::Flush()
{
}
 
TBOOL TShader::Create()
{
    m_State |= State_Created;
    return TTRUE;
}
 
TBOOL TShader::Validate()
{
    m_State |= State_Validated;
    return TTRUE;
}
 
void TShader::Invalidate()
{
    m_State &= ~State_Validated;
}
 
void TShader::TShaderList::AddShader( TShader* pShader )
{
    TShader* pLastShader = m_pRoot;
 
    while ( pLastShader && pLastShader->m_pNextShader != TNULL )
        pLastShader = pLastShader->m_pNextShader;
 
    if ( pLastShader != TNULL )
        pLastShader->m_pNextShader = pShader;
    else
        m_pRoot = pShader;
 
    pShader->m_pNextShader = TNULL;
}
 
void TShader::TShaderList::RemoveShader( TShader* pShader )
{
    TShader* pCurrShader = m_pRoot;
    TShader* pPrevShader = TNULL;
    TBOOL    bFound      = TFALSE;
 
    while ( pCurrShader )
    {
        if ( pCurrShader == pShader )
        {
            bFound = TTRUE;
            break;
        }
 
        pPrevShader = pCurrShader;
        pCurrShader = pCurrShader->m_pNextShader;
    }
 
    if ( bFound )
    {
        if ( pPrevShader )
        {
            TASSERT( m_pRoot != pShader );
            pPrevShader->m_pNextShader = pShader->m_pNextShader;
        }
        else
        {
            TASSERT( m_pRoot == pShader );
            m_pRoot = pShader->m_pNextShader;
        }
    }
}
 
TOSHI_NAMESPACE_END