void BlendEquationImplOGL::clear(const BlendEquation& eqn) const
{
if(eqn != BlendEquation()) {
ASSERT_LOG(!get_equation_stack().empty(), "Something went badly wrong blend mode stack was empty.");
get_equation_stack().pop();
BlendEquation& eqn = get_equation_stack().top();
glBlendEquationSeparate(convert_eqn(eqn.getRgbEquation()), convert_eqn(eqn.getAlphaEquation()));
}
}
BlendEquationScopeOGL::BlendEquationScopeOGL(const ScopeableValue& sv)
: stored_(false)
{
const BlendEquation& eqn = sv.getBlendEquation();
if(sv.isBlendEquationSet() && eqn != BlendEquation()) {
get_equation_stack().emplace(eqn);
glBlendEquationSeparate(convert_eqn(eqn.getRgbEquation()), convert_eqn(eqn.getAlphaEquation()));
stored_ = true;
}
}
void BlendEquationImplOGL::apply(const BlendEquation& eqn) const
{
if(eqn != BlendEquation()) {
if(get_equation_stack().empty()) {
get_equation_stack().emplace(BlendEquationConstants::BE_ADD, BlendEquationConstants::BE_ADD);
}
get_equation_stack().emplace(eqn);
glBlendEquationSeparate(convert_eqn(eqn.getRgbEquation()), convert_eqn(eqn.getAlphaEquation()));
}
}
BlendEquation *BlendEquation::getOrCreate(GLenum func)
{
return getOrCreateImpl(BlendEquation(func));
}
