Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - o -

- object : VkDebugMarkerObjectNameInfoEXT , VkDebugMarkerObjectTagInfoEXT
- objectCount : VkObjectTableCreateInfoNVX
- objectTable : VkCmdProcessCommandsInfoNVX , VkCmdReserveSpaceForCommandsInfoNVX
- objectType : VkDebugMarkerObjectNameInfoEXT , VkDebugMarkerObjectTagInfoEXT
- observingVisible : Cocoa_WindowListener
- occlusionQueryEnable : VkCommandBufferInheritanceInfo
- occlusionQueryPrecise : VkPhysicalDeviceFeatures
- offer : SDL_WaylandDataOffer , wl_data_offer_listener
- offset : SDL_HapticPeriodic
- Offset : SDL_VideoData
- offset : VkBufferMemoryBarrier , VkBufferViewCreateInfo , VkDescriptorBufferInfo , VkDescriptorUpdateTemplateEntryKHR , VkIndirectCommandsTokenNVX , VkMappedMemoryRange , VkPushConstantRange , VkRect2D , VkRectLayerKHR , VkSparseImageMemoryBind , VkSpecializationMapEntry , VkSubresourceLayout , VkVertexInputAttributeDescription
- ofs : input_t
- oldLayout : VkImageMemoryBarrier
- oldSwapchain : VkSwapchainCreateInfoKHR
- OnAppActivated() : sealed
- OnBackButtonPressed() : sealed
- OnCharacterReceived() : sealed
- OnExiting() : sealed
- OnGamepadAdded() : sealed
- OnKeyDown() : sealed
- OnKeyUp() : sealed
- OnLogicalDpiChanged() : sealed
- OnlyHasDefaultCaptureDevice : SDL_AudioDriverImpl
- OnlyHasDefaultOutputDevice : SDL_AudioDriverImpl
- OnMouseMoved() : sealed
- OnOrientationChanged() : sealed
- OnPointerEntered() : sealed
- OnPointerExited() : sealed
- OnPointerMoved() : sealed
- OnPointerPressed() : sealed
- OnPointerReleased() : sealed
- OnPointerWheelChanged() : sealed
- OnResuming() : sealed
- OnSuspending() : sealed
- OnVisibilityChanged() : sealed
- OnWindowActivated() : sealed
- OnWindowClosed() : sealed
- OnWindowEnter : SDL_VideoDevice
- OnWindowSizeChanged() : sealed
- opacity : DFB_WindowData , SDL_Window
- OpenDevice : SDL_AudioDriverImpl
- operation : LL_Test
- optimalBufferCopyOffsetAlignment : VkPhysicalDeviceLimits
- optimalBufferCopyRowPitchAlignment : VkPhysicalDeviceLimits
- optimalTilingFeatures : VkFormatProperties
- ordblks : mallinfo
- orientation : wl_touch_listener
- otherMouseDown: : Cocoa_WindowListener
- otherMouseDragged: : Cocoa_WindowListener
- otherMouseUp: : Cocoa_WindowListener
- output : SDL_ExtendedGameControllerBind
- outputDeviceCount : SDL_AudioDriver
- outputDevices : SDL_AudioDriver
- outputDevicesRemoved : SDL_AudioDriver
- outputType : SDL_ExtendedGameControllerBind
- owner : SDL_mutex
- SDL_OpenAudio : SDL_DYNAPI_jump_table
- SDL_OUT_BYTECAP : SDL_DYNAPI_jump_table
- SDL_OUT_Z_CAP : SDL_DYNAPI_jump_table