CgEffect::CgEffect(CGcontext context, const char* sourceCode)
: effect(NULL),
context(context),
activeTechnique(NULL),
currentPass(NULL),
nextPass(NULL)
{
effect = cgCreateEffect(context, sourceCode, NULL);
CGerror error;
const char* errorStr = cgGetLastErrorString(&error);
if(error)
throw new GeexShaderException("CG Effect creation failed", errorStr);
}
void Effect::load(const char* code)
{
effect.reset(cgCreateEffect(context, code, 0), EffectDeleter());
if (!effect)
{
throw std::runtime_error("Could not create effect");
}
technique = cgGetNamedTechnique(effect.get(), "High");
if (technique == 0)
{
throw std::runtime_error("Technique not found");
}
if (cgValidateTechnique(technique) == false)
{
throw std::runtime_error("Technique not valid");
}
}
