/*!***************************************************************************
@Function LoadEffect
@Output ppEffect
@Input pszEffectName
@Input pszFileName
@Return bool
@Description Loads a PFX Effect.
*****************************************************************************/
bool OGLES3Skybox2::LoadEffect( CPVRTPFXEffect **ppEffect, const char * pszEffectName, const char *pszFileName )
{
if(!ppEffect)
return false;
unsigned int nUnknownUniformCount;
CPVRTString error;
CPVRTPFXEffect* pEffect = *ppEffect;
// Load an effect from the file
if(!pEffect)
{
*ppEffect = new CPVRTPFXEffect();
pEffect = *ppEffect;
if(!pEffect)
{
delete m_pEffectParser;
PVRShellSet(prefExitMessage, "Failed to create effect.\n");
return false;
}
}
if(pEffect->Load(*m_pEffectParser, pszEffectName, pszFileName, NULL, nUnknownUniformCount, &error) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, error.c_str());
return false;
}
if(nUnknownUniformCount)
{
PVRShellOutputDebug(error.c_str());
PVRShellOutputDebug("Unknown uniform semantic count: %d\n", nUnknownUniformCount);
}
/* Set the textures for each effect */
unsigned int i,j ;
const CPVRTArray<SPVRTPFXTexture>& sTex = pEffect->GetTextureArray();
for(i = 0; i < sTex.GetSize(); ++i)
{
for(j = 0; j < g_ui32TexNo; ++j)
{
int iTexIdx = m_pEffectParser->FindTextureByName(sTex[i].Name);
const CPVRTStringHash& FileName = m_pEffectParser->GetTexture(iTexIdx)->FileName;
if(FileName == g_aszTextureNames[j])
{
if(j == 3 || j == 4)
pEffect->SetTexture(i, m_ui32TextureIDs[j], PVRTEX_CUBEMAP);
else
pEffect->SetTexture(i, m_ui32TextureIDs[j]);
break;
}
}
}
return true;
}
/*!***************************************************************************
@Function ChangeSkyboxTo
@Output pEffect
@Input ui32NewSkybox
@Description Changes the skybox to use the selected effect.
*****************************************************************************/
void OGLES3Skybox2::ChangeSkyboxTo(CPVRTPFXEffect *pEffect, GLuint ui32NewSkybox)
{
const CPVRTArray<SPVRTPFXTexture>& sTex = pEffect->GetTextureArray();
for(unsigned int i = 0; i < sTex.GetSize(); ++i)
{
int iTexIdx = m_pEffectParser->FindTextureByName(sTex[i].Name);
const CPVRTStringHash& FileName = m_pEffectParser->GetTexture(iTexIdx)->FileName;
if(FileName == g_aszTextureNames[3])
{
pEffect->SetTexture(i, ui32NewSkybox, PVRTEX_CUBEMAP);
return;
}
}
}