Method _PopUnusedDrawCmd

extern/imgui/imgui_draw.cpp:456–465

Pop trailing draw command (used before merging or presenting to user) Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL

// Pop trailing draw command (used before merging or presenting to user)
// Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL
void ImDrawList::_PopUnusedDrawCmd()
{
    while (CmdBuffer.Size > 0)
    {
        ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
        if (curr_cmd->ElemCount != 0 || curr_cmd->UserCallback != NULL)
            return;// break;
        CmdBuffer.pop_back();
    }
}

void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
{