MobileGL/MobileGL/MG_State/GLState/ProgramState/ProgramState.h

#pragma once

namespace MobileGL {
    namespace MG_State {
        namespace GLState {
            class ProgramState {
            public:
                // This function WILL actually create the program object.
                // To retrieve created program object, use GetProgramObject()
                Uint CreateProgram();
                SharedPtr<ProgramObject> GetProgramObject(Uint id);
                void DeleteProgram(Uint program);
            private:
                bool CheckIndexAvail(SizeT idx) {
                    return idx < m_programObjects.size();
                }

                void EnsureIndexAvail(SizeT idx) {
                    if (CheckIndexAvail(idx)) return;

                    m_programObjects.reserve(std::bit_ceil(idx));
                    m_programObjects.resize(idx + 1);
                }

                IndexGenerator<Uint> m_indexGenerator;
                Vector<SharedPtr<ProgramObject>> m_programObjects;
            };
        }
    }
}