// Adds a new fragment shader to the pass.
// If a fragment shader already exists within the pass, it will be released.
FCDEffectPassShader* FCDEffectPass::AddFragmentShader()
{
FCDEffectPassShader* fragmentShader;
for (fragmentShader = GetFragmentShader(); fragmentShader != NULL; fragmentShader = GetFragmentShader())
{
SAFE_RELEASE(fragmentShader);
}
fragmentShader = AddShader();
fragmentShader->AffectsFragments();
SetNewChildFlag();
return fragmentShader;
}
const Ogre::MaterialPtr& MaterialGenerator::GetMaterial(Perm permutation)
{
// Check if material/shader permutation already was generated
MaterialMap::iterator i = mMaterials.find(permutation);
if (i != mMaterials.end())
{
return i->second;
}
else
{
// Create it
Ogre::MaterialPtr templ = GetTemplateMaterial(permutation & mMatMask);
Ogre::GpuProgramPtr vs = GetVertexShader(permutation & mVsMask);
Ogre::GpuProgramPtr fs = GetFragmentShader(permutation & mFsMask);
// Create material name
string name = mMaterialBaseName + Ogre::StringConverter::toString(permutation);
// Create material from template, and set shaders
Ogre::MaterialPtr mat = templ->clone(name);
Ogre::Technique* tech = mat->getTechnique(0);
Ogre::Pass* pass = tech->getPass(0);
pass->setFragmentProgram(fs->getName());
pass->setVertexProgram(vs->getName());
// And store it
mMaterials[permutation] = mat;
return mMaterials[permutation];
}
}
void Shader::LinkProgram()
{
p = glCreateProgramObjectARB();
for ( std::vector< std::string >::iterator it = vertexes.begin(), it2 = vertexes.end(); it != it2; ++it )
{
int s = GetVertexShader( *it );
glAttachObjectARB( p, s );
}
for ( std::vector< std::string >::iterator it = fragments.begin(), it2 = fragments.end(); it != it2; ++it )
{
int s = GetFragmentShader( *it );
glAttachObjectARB( p, s );
}
glLinkProgramARB( p );
BindProgram();
}
