3 Library functions

sd

• SDL_MUSTLOCK Evaluates to true if the surface needs to be locked before access.
• SDL_mutexP Lock a mutex
• SDL_mutexV Unlock a mutex
• SDL_NEON_INTRINSICS Defined if (and only if) the compiler supports ARM NEON intrinsics.
• SDL_NewRowStretchCode (src/SDL_stretchcode.h)
• SDL_NO_THREAD_SAFETY_ANALYSIS Wrapper around Clang thread safety analysis annotations.
• SDL_NODISCARD A macro to tag a function's return value as critical.
• SDL_NOLONGLONG Don't let SDL use "long long" C types.
• SDL_NORETURN A macro to tag a function as never-returning.
• SDL_NS_PER_MS Number of nanoseconds in a millisecond.
• SDL_NS_PER_SECOND Number of nanoseconds in a second.
• SDL_NS_PER_US Number of nanoseconds in a microsecond.
• SDL_NS_TO_MS Convert nanoseconds to milliseconds.
• SDL_NS_TO_SECONDS Convert nanoseconds to seconds.
• SDL_NS_TO_US Convert nanoseconds to microseconds.
• SDL_NULL_WHILE_LOOP_CONDITION A macro for wrapping code in do{}while(0); without compiler warnings.
• SDL_NumJoysticks Count available joysticks.
• SDL_OnApplicationDidChangeStatusBarOrientation Let iOS apps with external event handling report onApplicationDidChangeStatusBarOrientation.
• SDL_OnApplicationDidEnterBackground Let iOS apps with external event handling report onApplicationDidEnterBackground.
• SDL_OnApplicationDidEnterForeground Let iOS apps with external event handling report onApplicationDidBecomeActive.
• SDL_OnApplicationDidReceiveMemoryWarning Let iOS apps with external event handling report onApplicationDidReceiveMemoryWarning.
• SDL_OnApplicationWillEnterBackground Let iOS apps with external event handling report onApplicationWillResignActive.
• SDL_OnApplicationWillEnterForeground Let iOS apps with external event handling report onApplicationWillEnterForeground.
• SDL_OnApplicationWillTerminate Let iOS apps with external event handling report onApplicationWillTerminate.
• SDL_OpenAudio Opens the audio device with the desired parameters.
• SDL_OpenAudioDevice Open a specific audio device.
• SDL_OpenAudioDeviceStream Convenience function for straightforward audio init for the common case.
• SDL_OpenCamera Open a video recording device (a "camera").
• SDL_OpenFileStorage Opens up a container for local filesystem storage.
• SDL_OpenGamepad Open a gamepad for use.
• SDL_OpenHaptic Open a haptic device for use.
• SDL_OpenHapticFromJoystick Open a haptic device for use from a joystick device.
• SDL_OpenHapticFromMouse Try to open a haptic device from the current mouse.
• SDL_OpenIO Create a custom SDL_IOStream .
• SDL_OpenJoystick Open a joystick for use.
• SDL_OpenSensor Open a sensor for use.
• SDL_OpenStorage Opens up a container using a client-provided storage interface.
• SDL_OpenTitleStorage Opens up a read-only container for the application's filesystem.
• SDL_OpenURL Open a URL/URI in the browser or other appropriate external application.
• SDL_OpenUserStorage Opens up a container for a user's unique read/write filesystem.
• SDL_OUT_BYTECAP Macro that annotates function params with output buffer size.
• SDL_OUT_CAP Macro that annotates function params with output buffer size.
• SDL_OUT_Z_BYTECAP Macro that annotates function params with output buffer string size.
• SDL_OUT_Z_CAP Macro that annotates function params with output string buffer size.
• SDL_OutOfMemory Set an error indicating that memory allocation failed.
• SDL_Overlay YUV video overlay
• SDL_Palette Color palette for 8-bit pixel formats
• SDL_PauseAudio Pauses and unpauses the audio callback processing
• SDL_PauseAudioDevice Use this function to pause audio playback on a specified device.
• SDL_PauseAudioStreamDevice Use this function to pause audio playback on the audio device associated with an audio stream.
• SDL_PauseHaptic Pause a haptic device.
• SDL_PeepEvents Check the event queue for messages and optionally return them.
• SDL_PEN_MOUSEID The SDL_MouseID for mouse events simulated with pen input.
• SDL_PEN_TOUCHID The SDL_TouchID for touch events simulated with pen input.
• SDL_PI_D The value of Pi, as a double-precision floating point literal.
• SDL_PI_F The value of Pi, as a single-precision floating point literal.
• SDL_PIXELFLAG A macro to retrieve the flags of an SDL_PixelFormat .
• SDL_PixelFormat Stores surface format information
• SDL_PIXELLAYOUT A macro to retrieve the layout of an SDL_PixelFormat .
• SDL_PIXELORDER A macro to retrieve the order of an SDL_PixelFormat .
• SDL_PIXELTYPE A macro to retrieve the type of an SDL_PixelFormat .
• SDL_PLATFORM_3DS A preprocessor macro that is only defined if compiling for Nintendo 3DS.
• SDL_PLATFORM_AIX A preprocessor macro that is only defined if compiling for AIX.
• SDL_PLATFORM_ANDROID A preprocessor macro that is only defined if compiling for Android.
• SDL_PLATFORM_APPLE A preprocessor macro that is only defined if compiling for Apple platforms.
• SDL_PLATFORM_BSDI A preprocessor macro that is only defined if compiling for BSDi
• SDL_PLATFORM_CYGWIN A preprocessor macro that is only defined if compiling for Cygwin.
• SDL_PLATFORM_EMSCRIPTEN A preprocessor macro that is only defined if compiling for Emscripten.
• SDL_PLATFORM_FREEBSD A preprocessor macro that is only defined if compiling for FreeBSD.
• SDL_PLATFORM_GDK A preprocessor macro that is only defined if compiling for Microsoft GDK on any platform.
• SDL_PLATFORM_HAIKU A preprocessor macro that is only defined if compiling for Haiku OS.
• SDL_PLATFORM_HPUX A preprocessor macro that is only defined if compiling for HP-UX.
• SDL_PLATFORM_IOS A preprocessor macro that is only defined if compiling for iOS.
• SDL_PLATFORM_IRIX A preprocessor macro that is only defined if compiling for IRIX.
• SDL_PLATFORM_LINUX A preprocessor macro that is only defined if compiling for Linux.
• SDL_PLATFORM_MACOS A preprocessor macro that is only defined if compiling for macOS.
• SDL_PLATFORM_NETBSD A preprocessor macro that is only defined if compiling for NetBSD.
• SDL_PLATFORM_OPENBSD A preprocessor macro that is only defined if compiling for OpenBSD.
• SDL_PLATFORM_OS2 A preprocessor macro that is only defined if compiling for OS/2.
• SDL_PLATFORM_OSF A preprocessor macro that is only defined if compiling for Tru64 (OSF/1).
• SDL_PLATFORM_PS2 A preprocessor macro that is only defined if compiling for Sony PlayStation 2.
• SDL_PLATFORM_PSP A preprocessor macro that is only defined if compiling for Sony PSP.
• SDL_PLATFORM_QNXNTO A preprocessor macro that is only defined if compiling for QNX Neutrino.
• SDL_PLATFORM_RISCOS A preprocessor macro that is only defined if compiling for RISC OS.
• SDL_PLATFORM_SOLARIS A preprocessor macro that is only defined if compiling for SunOS/Solaris.
• SDL_PLATFORM_TVOS A preprocessor macro that is only defined if compiling for tvOS.
• SDL_PLATFORM_UNIX A preprocessor macro that is only defined if compiling for a Unix-like system.
• SDL_PLATFORM_VISIONOS A preprocessor macro that is only defined if compiling for VisionOS.
• SDL_PLATFORM_VITA A preprocessor macro that is only defined if compiling for Sony Vita.
• SDL_PLATFORM_WIN32 A preprocessor macro that is only defined if compiling for desktop Windows.
• SDL_PLATFORM_WINDOWS A preprocessor macro that is only defined if compiling for Windows.
• SDL_PLATFORM_WINGDK A preprocessor macro that is only defined if compiling for Microsoft GDK for Windows.
• SDL_PLATFORM_XBOXONE A preprocessor macro that is only defined if compiling for Xbox One.
• SDL_PLATFORM_XBOXSERIES A preprocessor macro that is only defined if compiling for Xbox Series.
• SDL_PlayHapticRumble Run a simple rumble effect on a haptic device.
• SDL_PointInRect Determine whether a point resides inside a rectangle.
• SDL_PointInRectFloat Determine whether a point resides inside a floating point rectangle.
• SDL_PollEvent Poll for currently pending events.
• SDL_PopGPUDebugGroup Ends the most-recently pushed debug group.
• SDL_pow Raise x to the power y
• SDL_powf Raise x to the power y
• SDL_PremultiplyAlpha Premultiply the alpha on a block of pixels.
• SDL_PremultiplySurfaceAlpha Premultiply the alpha in a surface.
• SDL_PRILL_PREFIX A printf-formatting string prefix for a longlong value.
• SDL_PRILLd A printf-formatting string for a longlong value.
• SDL_PRILLu A printf-formatting string for a unsignedlonglong value.
• SDL_PRILLX A printf-formatting string for an unsignedlonglong value as upper-case hexadecimal.
• SDL_PRILLx A printf-formatting string for an unsignedlonglong value as lower-case hexadecimal.
• SDL_PRINTF_FORMAT_STRING Macro that annotates function params as printf-style format strings.
• SDL_PRINTF_VARARG_FUNC Macro that annotates a vararg function that operates like printf.
• SDL_PRINTF_VARARG_FUNCV Macro that annotates a va_list function that operates like printf.
• SDL_PRIs32 A printf-formatting string for an Sint32 value.
• SDL_PRIs64 A printf-formatting string for an Sint64 value.
• SDL_PRIu32 A printf-formatting string for a Uint32 value.
• SDL_PRIu64 A printf-formatting string for a Uint64 value.
• SDL_PRIX32 A printf-formatting string for a Uint32 value as upper-case hexadecimal.
• SDL_PRIx32 A printf-formatting string for a Uint32 value as lower-case hexadecimal.
• SDL_PRIX64 A printf-formatting string for a Uint64 value as upper-case hexadecimal.
• SDL_PRIx64 A printf-formatting string for a Uint64 value as lower-case hexadecimal.
• SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER The pointer to the global wl_display object used by the Wayland video backend.
• SDL_PT_GUARDED_BY Wrapper around Clang thread safety analysis annotations.
• SDL_PumpEvents Pump the event loop, gathering events from the input devices.
• SDL_PushEvent Add an event to the event queue.
• SDL_PushGPUComputeUniformData Pushes data to a uniform slot on the command buffer.
• SDL_PushGPUDebugGroup Begins a debug group with an arbitary name.
• SDL_PushGPUFragmentUniformData Pushes data to a fragment uniform slot on the command buffer.
• SDL_PushGPUVertexUniformData Pushes data to a vertex uniform slot on the command buffer.
• SDL_PutAudioStreamData Add data to the stream.
• SDL_PutRowStretchCode (src/SDL_stretchcode.h)
• SDL_qsort Sort an array.
• SDL_qsort_r Sort an array, passing a userdata pointer to the compare function.
• SDL_QueryGPUFence Checks the status of a fence.
• SDL_Quit Clean up all initialized subsystems.
• SDL_QuitEvent Quit requested event
• SDL_QuitSubSystem Shut down specific SDL subsystems.
• SDL_RaiseWindow Request that a window be raised above other windows and gain the input focus.
• SDL_rand Generate a pseudo-random number less than n for positive n
• SDL_rand_bits Generate 32 pseudo-random bits.
• SDL_rand_bits_r Generate 32 pseudo-random bits.
• SDL_rand_r Generate a pseudo-random number less than n for positive n
• SDL_randf Generate a uniform pseudo-random floating point number less than 1.0
• SDL_randf_r Generate a uniform pseudo-random floating point number less than 1.0
• SDL_ReadAsyncIO Start an async read.
• SDL_ReadIO Read from a data source.
• SDL_ReadProcess Read all the output from a process.
• SDL_ReadS16BE Use this function to read 16 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS16LE Use this function to read 16 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS32BE Use this function to read 32 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS32LE Use this function to read 32 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS64BE Use this function to read 64 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS64LE Use this function to read 64 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadS8 Use this function to read a signed byte from an SDL_IOStream .
• SDL_ReadStorageFile Synchronously read a file from a storage container into a client-provided buffer.
• SDL_ReadSurfacePixel Retrieves a single pixel from a surface.
• SDL_ReadSurfacePixelFloat Retrieves a single pixel from a surface.
• SDL_ReadU16BE Use this function to read 16 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU16LE Use this function to read 16 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU32BE Use this function to read 32 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU32LE Use this function to read 32 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU64BE Use this function to read 64 bits of big-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU64LE Use this function to read 64 bits of little-endian data from an SDL_IOStream and return in native format.
• SDL_ReadU8 Use this function to read a byte from an SDL_IOStream .
• SDL_realloc Change the size of allocated memory.
• SDL_Rect Defines a rectangular area
• SDL_RectEmpty Determine whether a rectangle has no area.
• SDL_RectEmptyFloat Determine whether a floating point rectangle can contain any point.
• SDL_RectsEqual Determine whether two rectangles are equal.
• SDL_RectsEqualEpsilon Determine whether two floating point rectangles are equal, within some given epsilon.
• SDL_RectsEqualFloat Determine whether two floating point rectangles are equal, within a default epsilon.
• SDL_RectToFRect Convert an SDL_Rect to SDL_FRect
• SDL_RegisterApp Register a win32 window class for SDL's use.
• SDL_RegisterEvents Allocate a set of user-defined events, and return the beginning event number for that set of events.
• SDL_reinterpret_cast Handle a Reinterpret Cast properly whether using C or C++.
• SDL_RELEASE Wrapper around Clang thread safety analysis annotations.
• SDL_RELEASE_GENERIC Wrapper around Clang thread safety analysis annotations.
• SDL_RELEASE_SHARED Wrapper around Clang thread safety analysis annotations.
• SDL_ReleaseCameraFrame Release a frame of video acquired from a camera.
• SDL_ReleaseGPUBuffer Frees the given buffer as soon as it is safe to do so.
• SDL_ReleaseGPUComputePipeline Frees the given compute pipeline as soon as it is safe to do so.
• SDL_ReleaseGPUFence Releases a fence obtained from SDL_SubmitGPUCommandBufferAndAcquireFence .
• SDL_ReleaseGPUGraphicsPipeline Frees the given graphics pipeline as soon as it is safe to do so.
• SDL_ReleaseGPUSampler Frees the given sampler as soon as it is safe to do so.
• SDL_ReleaseGPUShader Frees the given shader as soon as it is safe to do so.
• SDL_ReleaseGPUTexture Frees the given texture as soon as it is safe to do so.
• SDL_ReleaseGPUTransferBuffer Frees the given transfer buffer as soon as it is safe to do so.
• SDL_ReleaseWindowFromGPUDevice Unclaims a window, destroying its swapchain structure.
• SDL_ReloadGamepadMappings Reinitialize the SDL mapping database to its initial state.
• SDL_RemoveEventWatch Remove an event watch callback added with SDL_AddEventWatch ().
• SDL_RemoveHintCallback Remove a function watching a particular hint.
• SDL_RemovePath Remove a file or an empty directory.
• SDL_RemoveStoragePath Remove a file or an empty directory in a writable storage container.
• SDL_RemoveSurfaceAlternateImages Remove all alternate versions of a surface.
• SDL_RemoveTimer Remove a timer created with SDL_AddTimer ().
• SDL_RemoveTrayEntry Removes a tray entry.
• SDL_RenamePath Rename a file or directory.
• SDL_RenameStoragePath Rename a file or directory in a writable storage container.
• SDL_RenderClear Clear the current rendering target with the drawing color.
• SDL_RenderClipEnabled Get whether clipping is enabled on the given render target.
• SDL_RenderCoordinatesFromWindow Get a point in render coordinates when given a point in window coordinates.
• SDL_RenderCoordinatesToWindow Get a point in window coordinates when given a point in render coordinates.
• SDL_RenderDebugText Draw debug text to an SDL_Renderer .
• SDL_RenderDebugTextFormat Draw debug text to an SDL_Renderer .
• SDL_RenderFillRect Fill a rectangle on the current rendering target with the drawing color at subpixel precision.
• SDL_RenderFillRects Fill some number of rectangles on the current rendering target with the drawing color at subpixel precision.
• SDL_RenderGeometry Render a list of triangles, optionally using a texture and indices into the vertex array Color and alpha modulation is done per vertex ( SDL_SetTextureColorMod and SDL_SetTextureAlphaMod are ignored).
• SDL_RenderGeometryRaw Render a list of triangles, optionally using a texture and indices into the vertex arrays Color and alpha modulation is done per vertex ( SDL_SetTextureColorMod and SDL_SetTextureAlphaMod are ignored).
• SDL_RenderLine Draw a line on the current rendering target at subpixel precision.
• SDL_RenderLines Draw a series of connected lines on the current rendering target at subpixel precision.
• SDL_RenderPoint Draw a point on the current rendering target at subpixel precision.
• SDL_RenderPoints Draw multiple points on the current rendering target at subpixel precision.
• SDL_RenderPresent Update the screen with any rendering performed since the previous call.
• SDL_RenderReadPixels Read pixels from the current rendering target.
• SDL_RenderRect Draw a rectangle on the current rendering target at subpixel precision.
• SDL_RenderRects Draw some number of rectangles on the current rendering target at subpixel precision.
• SDL_RenderTexture Copy a portion of the texture to the current rendering target at subpixel precision.
• SDL_RenderTexture9Grid Perform a scaled copy using the 9-grid algorithm to the current rendering target at subpixel precision.
• SDL_RenderTextureAffine Copy a portion of the source texture to the current rendering target, with affine transform, at subpixel precision.
• SDL_RenderTextureRotated Copy a portion of the source texture to the current rendering target, with rotation and flipping, at subpixel precision.
• SDL_RenderTextureTiled Tile a portion of the texture to the current rendering target at subpixel precision.
• SDL_RenderViewportSet Return whether an explicit rectangle was set as the viewport.
• SDL_ReportAssertion Never call this directly.
• SDL_RequestAndroidPermission Request permissions at runtime, asynchronously.
• SDL_REQUIRES Wrapper around Clang thread safety analysis annotations.
• SDL_REQUIRES_SHARED Wrapper around Clang thread safety analysis annotations.
• SDL_ResetAssertionReport Clear the list of all assertion failures.
• SDL_ResetHint Reset a hint to the default value.
• SDL_ResetHints Reset all hints to the default values.
• SDL_ResetKeyboard Clear the state of the keyboard.
• SDL_ResetLogPriorities Reset all priorities to default.
• SDL_ResizeEvent Window resize event structure
• SDL_RestoreWindow Request that the size and position of a minimized or maximized window be restored.
• SDL_RESTRICT A macro to tag a pointer variable, to help with pointer aliasing.
• SDL_ResumeAudioDevice Use this function to unpause audio playback on a specified device.
• SDL_ResumeAudioStreamDevice Use this function to unpause audio playback on the audio device associated with an audio stream.
• SDL_ResumeHaptic Resume a haptic device.
• SDL_RETURN_CAPABILITY Wrapper around Clang thread safety analysis annotations.
• SDL_REVISION This macro is a string describing the source at a particular point in development.
• SDL_round Round x to the nearest integer.
• SDL_roundf Round x to the nearest integer.
• SDL_RumbleGamepad Start a rumble effect on a gamepad.
• SDL_RumbleGamepadTriggers Start a rumble effect in the gamepad's triggers.
• SDL_RumbleJoystick Start a rumble effect.
• SDL_RumbleJoystickTriggers Start a rumble effect in the joystick's triggers.
• SDL_RunApp Initializes and launches an SDL application, by doing platform-specific initialization before calling your mainFunction and cleanups after it returns, if that is needed for a specific platform, otherwise it just calls mainFunction.
• SDL_RunHapticEffect Run the haptic effect on its associated haptic device.
• SDL_RunOnMainThread Call a function on the main thread during event processing.
• SDL_RunRowStretchCode (src/SDL_stretchcode.h)
• SDL_RWFromFile Short description of function
• SDL_SaveBMP Save a surface to a file.
• SDL_SaveBMP_IO Save a surface to a seekable SDL data stream in BMP format.
• SDL_SaveFile Save all the data into a file path.
• SDL_SaveFile_IO Save all the data into an SDL data stream.
• SDL_scalbn Scale x by an integer power of two.
• SDL_scalbnf Scale x by an integer power of two.
• SDL_ScaleSurface Creates a new surface identical to the existing surface, scaled to the desired size.
• SDL_SCANF_FORMAT_STRING Macro that annotates function params as scanf-style format strings.
• SDL_SCANF_VARARG_FUNC Macro that annotates a vararg function that operates like scanf.
• SDL_SCANF_VARARG_FUNCV Macro that annotates a va_list function that operates like scanf.
• SDL_SCOPED_CAPABILITY Wrapper around Clang thread safety analysis annotations.
• SDL_ScreenKeyboardShown Check whether the screen keyboard is shown for given window.
• SDL_ScreenSaverEnabled Check whether the screensaver is currently enabled.
• SDL_SECONDS_TO_NS Convert seconds to nanoseconds.
• SDL_SeekIO Seek within an SDL_IOStream data stream.
• SDL_SemPost Unlock a semaphore.
• SDL_SemTryWait Attempt to lock a semaphore but don't suspend the thread.
• SDL_SemValue Return the current value of a semaphore.
• SDL_SemWait Lock a semaphore and suspend the thread if the semaphore value is zero.
• SDL_SemWaitTimeout Lock a semaphore, but only wait up to a specified maximum time.
• SDL_SendAndroidBackButton Trigger the Android system back button behavior.
• SDL_SendAndroidMessage Send a user command to SDLActivity.
• SDL_SendGamepadEffect Send a gamepad specific effect packet.
• SDL_SendJoystickEffect Send a joystick specific effect packet.
• SDL_SendJoystickVirtualSensorData Send a sensor update for an opened virtual joystick.
• SDL_SetAlpha Adjust the alpha properties of a surface
• SDL_SetAppMetadata Specify basic metadata about your app.
• SDL_SetAppMetadataProperty Specify metadata about your app through a set of properties.
• SDL_SetAssertionHandler Set an application-defined assertion handler.
• SDL_SetAtomicInt Set an atomic variable to a value.
• SDL_SetAtomicPointer Set a pointer to a value atomically.
• SDL_SetAtomicU32 Set an atomic variable to a value.
• SDL_SetAudioDeviceGain Change the gain of an audio device.
• SDL_SetAudioPostmixCallback Set a callback that fires when data is about to be fed to an audio device.
• SDL_SetAudioStreamFormat Change the input and output formats of an audio stream.
• SDL_SetAudioStreamFrequencyRatio Change the frequency ratio of an audio stream.
• SDL_SetAudioStreamGain Change the gain of an audio stream.
• SDL_SetAudioStreamGetCallback Set a callback that runs when data is requested from an audio stream.
• SDL_SetAudioStreamInputChannelMap Set the current input channel map of an audio stream.
• SDL_SetAudioStreamOutputChannelMap Set the current output channel map of an audio stream.
• SDL_SetAudioStreamPutCallback Set a callback that runs when data is added to an audio stream.
• SDL_SetBooleanProperty Set a boolean property in a group of properties.
• SDL_SetClipboardData Offer clipboard data to the OS.
• SDL_SetClipboardText Put UTF-8 text into the clipboard.
• SDL_SetClipRect Sets the clipping rectangle for a surface.
• SDL_SetColorKey Sets the color key (transparent pixel) in a blittable surface and RLE acceleration.
• SDL_SetColors Sets a portion of the colormap for the given 8-bit surface.
• SDL_SetCurrentThreadPriority Set the priority for the current thread.
• SDL_SetCursor Set the active cursor.
• SDL_setenv_unsafe Set the value of a variable in the environment.
• SDL_SetEnvironmentVariable Set the value of a variable in the environment.
• SDL_SetError Set the SDL error message for the current thread.
• SDL_SetErrorV Set the SDL error message for the current thread.
• SDL_SetEventEnabled Set the state of processing events by type.
• SDL_SetEventFilter Set up a filter to process all events before they are added to the internal event queue.
• SDL_SetFloatProperty Set a floating point property in a group of properties.
• SDL_SetGamepadEventsEnabled Set the state of gamepad event processing.
• SDL_SetGamepadLED Update a gamepad's LED color.
• SDL_SetGamepadMapping Set the current mapping of a joystick or gamepad.
• SDL_SetGamepadPlayerIndex Set the player index of an opened gamepad.
• SDL_SetGamepadSensorEnabled Set whether data reporting for a gamepad sensor is enabled.
• SDL_SetGamma Sets the color gamma function for the display
• SDL_SetGammaRamp Sets the color gamma lookup tables for the display
• SDL_SetGPUAllowedFramesInFlight Configures the maximum allowed number of frames in flight.
• SDL_SetGPUBlendConstants Sets the current blend constants on a command buffer.
• SDL_SetGPUBufferName Sets an arbitrary string constant to label a buffer.
• SDL_SetGPUScissor Sets the current scissor state on a command buffer.
• SDL_SetGPUStencilReference Sets the current stencil reference value on a command buffer.
• SDL_SetGPUSwapchainParameters Changes the swapchain parameters for the given claimed window.
• SDL_SetGPUTextureName Sets an arbitrary string constant to label a texture.
• SDL_SetGPUViewport Sets the current viewport state on a command buffer.
• SDL_SetHapticAutocenter Set the global autocenter of the device.
• SDL_SetHapticGain Set the global gain of the specified haptic device.
• SDL_SetHint Set a hint with normal priority.
• SDL_SetHintWithPriority Set a hint with a specific priority.
• SDL_SetInitialized Finish an initialization state transition.
• SDL_SetiOSAnimationCallback Use this function to set the animation callback on Apple iOS.
• SDL_SetiOSEventPump Use this function to enable or disable the SDL event pump on Apple iOS.
• SDL_SetJoystickEventsEnabled Set the state of joystick event processing.
• SDL_SetJoystickLED Update a joystick's LED color.
• SDL_SetJoystickPlayerIndex Set the player index of an opened joystick.
• SDL_SetJoystickVirtualAxis Set the state of an axis on an opened virtual joystick.
• SDL_SetJoystickVirtualBall Generate ball motion on an opened virtual joystick.
• SDL_SetJoystickVirtualButton Set the state of a button on an opened virtual joystick.
• SDL_SetJoystickVirtualHat Set the state of a hat on an opened virtual joystick.
• SDL_SetJoystickVirtualTouchpad Set touchpad finger state on an opened virtual joystick.
• SDL_SetLinuxThreadPriority Sets the UNIX nice value for a thread.
• SDL_SetLinuxThreadPriorityAndPolicy Sets the priority (not nice level) and scheduling policy for a thread.
• SDL_SetLogOutputFunction Replace the default log output function with one of your own.
• SDL_SetLogPriorities Set the priority of all log categories.
• SDL_SetLogPriority Set the priority of a particular log category.
• SDL_SetLogPriorityPrefix Set the text prepended to log messages of a given priority.
• SDL_SetMainReady Circumvent failure of SDL_Init () when not using SDL_main () as an entry point.
• SDL_SetMemoryFunctions Replace SDL's memory allocation functions with a custom set.
• SDL_SetModState Set the current key modifier state for the keyboard.
• SDL_SetNumberProperty Set an integer property in a group of properties.
• SDL_SetPalette Sets the colors in the palette of an 8-bit surface.
• SDL_SetPaletteColors Set a range of colors in a palette.
• SDL_SetPointerProperty Set a pointer property in a group of properties.
• SDL_SetPointerPropertyWithCleanup Set a pointer property in a group of properties with a cleanup function that is called when the property is deleted.
• SDL_SetPrimarySelectionText Put UTF-8 text into the primary selection.
• SDL_SetRenderClipRect Set the clip rectangle for rendering on the specified target.
• SDL_SetRenderColorScale Set the color scale used for render operations.
• SDL_SetRenderDrawBlendMode Set the blend mode used for drawing operations (Fill and Line).
• SDL_SetRenderDrawColor Set the color used for drawing operations.
• SDL_SetRenderDrawColorFloat Set the color used for drawing operations (Rect, Line and Clear).
• SDL_SetRenderLogicalPresentation Set a device-independent resolution and presentation mode for rendering.
• SDL_SetRenderScale Set the drawing scale for rendering on the current target.
• SDL_SetRenderTarget Set a texture as the current rendering target.
• SDL_SetRenderViewport Set the drawing area for rendering on the current target.
• SDL_SetRenderVSync Toggle VSync of the given renderer.
• SDL_SetRowStretchCode (src/SDL_stretchcode.h)
• SDL_SetScancodeName Set a human-readable name for a scancode.
• SDL_SetStringProperty Set a string property in a group of properties.
• SDL_SetSurfaceAlphaMod Set an additional alpha value used in blit operations.
• SDL_SetSurfaceBlendMode Set the blend mode used for blit operations.
• SDL_SetSurfaceClipRect Set the clipping rectangle for a surface.
• SDL_SetSurfaceColorKey Set the color key (transparent pixel) in a surface.
• SDL_SetSurfaceColorMod Set an additional color value multiplied into blit operations.
• SDL_SetSurfaceColorspace Set the colorspace used by a surface.
• SDL_SetSurfacePalette Set the palette used by a surface.
• SDL_SetSurfaceRLE Set the RLE acceleration hint for a surface.
• SDL_SetTextInputArea Set the area used to type Unicode text input.
• SDL_SetTextureAlphaMod Set an additional alpha value multiplied into render copy operations.
• SDL_SetTextureAlphaModFloat Set an additional alpha value multiplied into render copy operations.
• SDL_SetTextureBlendMode Set the blend mode for a texture, used by SDL_RenderTexture ().
• SDL_SetTextureColorMod Set an additional color value multiplied into render copy operations.
• SDL_SetTextureColorModFloat Set an additional color value multiplied into render copy operations.
• SDL_SetTextureScaleMode Set the scale mode used for texture scale operations.
• SDL_SetTimer Set a callback to run after the specified number of milliseconds has elapsed.
• SDL_SetTLS Set the current thread's value associated with a thread local storage ID.
• SDL_SetTrayEntryCallback Sets a callback to be invoked when the entry is selected.
• SDL_SetTrayEntryChecked Sets whether or not an entry is checked.
• SDL_SetTrayEntryEnabled Sets whether or not an entry is enabled.
• SDL_SetTrayEntryLabel Sets the label of an entry.
• SDL_SetTrayIcon Updates the system tray icon's icon.
• SDL_SetTrayTooltip Updates the system tray icon's tooltip.
• SDL_SetVideoMode Set up a video mode with the specified width, height and bits-per-pixel.
• SDL_SetWindowAlwaysOnTop Set the window to always be above the others.
• SDL_SetWindowAspectRatio Request that the aspect ratio of a window's client area be set.
• SDL_SetWindowBordered Set the border state of a window.
• SDL_SetWindowFocusable Set whether the window may have input focus.
• SDL_SetWindowFullscreen Request that the window's fullscreen state be changed.
• SDL_SetWindowFullscreenMode Set the display mode to use when a window is visible and fullscreen.
• SDL_SetWindowHitTest Provide a callback that decides if a window region has special properties.
• SDL_SetWindowIcon Set the icon for a window.
• SDL_SetWindowKeyboardGrab Set a window's keyboard grab mode.
• SDL_SetWindowMaximumSize Set the maximum size of a window's client area.
• SDL_SetWindowMinimumSize Set the minimum size of a window's client area.
• SDL_SetWindowModal Toggle the state of the window as modal.
• SDL_SetWindowMouseGrab Set a window's mouse grab mode.
• SDL_SetWindowMouseRect Confines the cursor to the specified area of a window.
• SDL_SetWindowOpacity Set the opacity for a window.
• SDL_SetWindowParent Set the window as a child of a parent window.
• SDL_SetWindowPosition Request that the window's position be set.
• SDL_SetWindowRelativeMouseMode Set relative mouse mode for a window.
• SDL_SetWindowResizable Set the user-resizable state of a window.
• SDL_SetWindowShape Set the shape of a transparent window.
• SDL_SetWindowSize Request that the size of a window's client area be set.
• SDL_SetWindowsMessageHook Set a callback for every Windows message, run before TranslateMessage().
• SDL_SetWindowSurfaceVSync Toggle VSync for the window surface.
• SDL_SetWindowTitle Set the title of a window.
• SDL_SetX11EventHook Set a callback for every X11 event.
• SDL_ShouldInit Return whether initialization should be done.
• SDL_ShouldQuit Return whether cleanup should be done.
• SDL_ShowAndroidToast Shows an Android toast notification.
• SDL_ShowCursor Show the cursor.
• SDL_ShowFileDialogWithProperties Create and launch a file dialog with the specified properties.
• SDL_ShowMessageBox Create a modal message box.
• SDL_ShowOpenFileDialog Displays a dialog that lets the user select a file on their filesystem.
• SDL_ShowOpenFolderDialog Displays a dialog that lets the user select a folder on their filesystem.
• SDL_ShowSaveFileDialog Displays a dialog that lets the user choose a new or existing file on their filesystem.
• SDL_ShowSimpleMessageBox Display a simple modal message box.
• SDL_ShowWindow Show a window.
• SDL_ShowWindowSystemMenu Display the system-level window menu.
• SDL_SignalAsyncIOQueue Wake up any threads that are blocking in SDL_WaitAsyncIOResult ().
• SDL_SignalCondition Restart one of the threads that are waiting on the condition variable.
• SDL_SignalSemaphore Atomically increment a semaphore's value and wake waiting threads.
• SDL_sin Compute the sine of x .
• SDL_sinf Compute the sine of x .
• SDL_SINT64_C Append the 64 bit integer suffix to a signed integer literal.
• SDL_size_add_check_overflow Add two integers, checking for overflow.
• SDL_SIZE_MAX The largest value that a size_t can hold for the target platform.
• SDL_size_mul_check_overflow Multiply two integers, checking for overflow.
• SDL_snprintf This works exactly like snprintf() but doesn't require access to a C runtime.
• SDL_SOFTWARE_RENDERER The name of the software renderer.
• SDL_sqrt Compute the square root of x .
• SDL_sqrtf Compute the square root of x .
• SDL_srand Seeds the pseudo-random number generator.
• SDL_sscanf This works exactly like sscanf() but doesn't require access to a C runtime.
• SDL_SSE2_INTRINSICS Defined if (and only if) the compiler supports Intel SSE2 intrinsics.
• SDL_SSE3_INTRINSICS Defined if (and only if) the compiler supports Intel SSE3 intrinsics.
• SDL_SSE4_1_INTRINSICS Defined if (and only if) the compiler supports Intel SSE4.1 intrinsics.
• SDL_SSE4_2_INTRINSICS Defined if (and only if) the compiler supports Intel SSE4.2 intrinsics.
• SDL_SSE_INTRINSICS Defined if (and only if) the compiler supports Intel SSE intrinsics.
• SDL_stack_alloc Allocate memory on the stack (maybe).
• SDL_STANDARD_GRAVITY A constant to represent standard gravity for accelerometer sensors.
• SDL_StartTextInput Start accepting Unicode text input events in a window.
• SDL_StartTextInputWithProperties Start accepting Unicode text input events in a window, with properties describing the input.
• SDL_static_cast Handle a Static Cast properly whether using C or C++.
• SDL_StepBackUTF8 Decode a UTF-8 string in reverse, one Unicode codepoint at a time.
• SDL_StepUTF8 Decode a UTF-8 string, one Unicode codepoint at a time.
• SDL_StopHapticEffect Stop the haptic effect on its associated haptic device.
• SDL_StopHapticEffects Stop all the currently playing effects on a haptic device.
• SDL_StopHapticRumble Stop the simple rumble on a haptic device.
• SDL_StopTextInput Stop receiving any text input events in a window.
• SDL_StorageReady Checks if the storage container is ready to use.
• SDL_strcasecmp Compare two null-terminated UTF-8 strings, case-insensitively.
• SDL_strcasestr Search a UTF-8 string for the first instance of a specific substring, case-insensitively.
• SDL_strchr Search a string for the first instance of a specific byte.
• SDL_strcmp Compare two null-terminated UTF-8 strings.
• SDL_strdup Allocate a copy of a string.
• SDL_stretch.h library
• SDL_StretchInfo (src/SDL_stretch.h)
• SDL_StretchRow1 (src/SDL_stretchcode.h)
• SDL_StretchRow2 (src/SDL_stretchcode.h)
• SDL_StretchRow3 (src/SDL_stretchcode.h)
• SDL_StretchRow4 (src/SDL_stretchcode.h)
• SDL_StretchRowInfo (src/SDL_stretchcode.h)
• SDL_StretchSurface Perform a stretched pixel copy from one surface to another.
• SDL_StretchSurface_23 (src/SDL_stretch.h)
• SDL_StretchSurfaceBlit Perform a stretch blit between two surfaces of the same format.
• SDL_StretchSurfaceRect Perform a stretch blit between two surfaces of the same format.
• SDL_STRINGIFY_ARG Macro useful for building other macros with strings in them.
• SDL_StringToGUID Convert a GUID string into a SDL_GUID structure.
• SDL_strlcat Concatenate strings.
• SDL_strlcpy Copy a string.
• SDL_strlen This works exactly like strlen() but doesn't require access to a C runtime.
• SDL_strlwr Convert a string to lowercase.
• SDL_strncasecmp Compare two UTF-8 strings, case-insensitively, up to a number of bytes.
• SDL_strncmp Compare two UTF-8 strings up to a number of bytes.
• SDL_strndup Allocate a copy of a string, up to n characters.
• SDL_strnlen This works exactly like strnlen() but doesn't require access to a C runtime.
• SDL_strnstr Search a string, up to n bytes, for the first instance of a specific substring.
• SDL_strpbrk Searches a string for the first occurence of any character contained in a breakset, and returns a pointer from the string to that character.
• SDL_strrchr Search a string for the last instance of a specific byte.
• SDL_strrev Reverse a string's contents.
• SDL_strstr Search a string for the first instance of a specific substring.
• SDL_strtod Parse a double from a string.
• SDL_strtok_r This works exactly like strtok_r() but doesn't require access to a C runtime.
• SDL_strtol Parse a long from a string.
• SDL_strtoll Parse a longlong from a string.
• SDL_strtoul Parse an unsignedlong from a string.
• SDL_strtoull Parse an unsignedlonglong from a string.
• SDL_strupr Convert a string to uppercase.
• SDL_SubmitGPUCommandBuffer Submits a command buffer so its commands can be processed on the GPU.
• SDL_SubmitGPUCommandBufferAndAcquireFence Submits a command buffer so its commands can be processed on the GPU, and acquires a fence associated with the command buffer.
• SDL_Surface Graphical Surface Structure
• SDL_SurfaceHasAlternateImages Return whether a surface has alternate versions available.
• SDL_SurfaceHasColorKey Returns whether the surface has a color key.
• SDL_SurfaceHasRLE Returns whether the surface is RLE enabled.
• SDL_Swap16 Byte-swap an unsigned 16-bit number.