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/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_timer_h_
#define SDL_timer_h_
/**
* \file SDL_timer.h
*
* Header for the SDL time management routines.
*/
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Get the number of milliseconds since the SDL library initialization.
*
* \note This value wraps if the program runs for more than ~49 days.
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetTicks(void);
/**
* \brief Compare SDL ticks values, and return true if A has passed B
*
* e.g. if you want to wait 100 ms, you could do this:
* Uint32 timeout = SDL_GetTicks() + 100;
* while (!SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) {
* ... do work until timeout has elapsed
* }
*/
#define SDL_TICKS_PASSED(A, B) ((Sint32)((B) - (A)) <= 0)
/**
* \brief Get the current value of the high resolution counter
*/
extern DECLSPEC Uint64 SDLCALL SDL_GetPerformanceCounter(void);
/**
* \brief Get the count per second of the high resolution counter
*/
extern DECLSPEC Uint64 SDLCALL SDL_GetPerformanceFrequency(void);
/**
* \brief Wait a specified number of milliseconds before returning.
*/
extern DECLSPEC void SDLCALL SDL_Delay(Uint32 ms);
/**
* Function prototype for the timer callback function.
*
* The callback function is passed the current timer interval and returns
* the next timer interval. If the returned value is the same as the one
* passed in, the periodic alarm continues, otherwise a new alarm is
* scheduled. If the callback returns 0, the periodic alarm is cancelled.
*/
typedef Uint32 (SDLCALL * SDL_TimerCallback) (Uint32 interval, void *param);
/**
* Definition of the timer ID type.
*/
typedef int SDL_TimerID;
/**
* \brief Add a new timer to the pool of timers already running.
*
* \return A timer ID, or 0 when an error occurs.
*/
extern DECLSPEC SDL_TimerID SDLCALL SDL_AddTimer(Uint32 interval,
SDL_TimerCallback callback,
void *param);
/**
* \brief Remove a timer knowing its ID.
*
* \return A boolean value indicating success or failure.
*
* \warning It is not safe to remove a timer multiple times.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_RemoveTimer(SDL_TimerID id);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_timer_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_touch.h
*
* Include file for SDL touch event handling.
*/
#ifndef SDL_touch_h_
#define SDL_touch_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
typedef Sint64 SDL_TouchID;
typedef Sint64 SDL_FingerID;
typedef enum
{
SDL_TOUCH_DEVICE_INVALID = -1,
SDL_TOUCH_DEVICE_DIRECT, /* touch screen with window-relative coordinates */
SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE, /* trackpad with absolute device coordinates */
SDL_TOUCH_DEVICE_INDIRECT_RELATIVE /* trackpad with screen cursor-relative coordinates */
} SDL_TouchDeviceType;
typedef struct SDL_Finger
{
SDL_FingerID id;
float x;
float y;
float pressure;
} SDL_Finger;
/* Used as the device ID for mouse events simulated with touch input */
#define SDL_TOUCH_MOUSEID ((Uint32)-1)
/* Used as the SDL_TouchID for touch events simulated with mouse input */
#define SDL_MOUSE_TOUCHID ((Sint64)-1)
/* Function prototypes */
/**
* \brief Get the number of registered touch devices.
*/
extern DECLSPEC int SDLCALL SDL_GetNumTouchDevices(void);
/**
* \brief Get the touch ID with the given index, or 0 if the index is invalid.
*/
extern DECLSPEC SDL_TouchID SDLCALL SDL_GetTouchDevice(int index);
/**
* \brief Get the type of the given touch device.
*/
extern DECLSPEC SDL_TouchDeviceType SDLCALL SDL_GetTouchDeviceType(SDL_TouchID touchID);
/**
* \brief Get the number of active fingers for a given touch device.
*/
extern DECLSPEC int SDLCALL SDL_GetNumTouchFingers(SDL_TouchID touchID);
/**
* \brief Get the finger object of the given touch, with the given index.
*/
extern DECLSPEC SDL_Finger * SDLCALL SDL_GetTouchFinger(SDL_TouchID touchID, int index);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_touch_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_types.h
*
* \deprecated
*/
/* DEPRECATED */
#include "SDL_stdinc.h"
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_version.h
*
* This header defines the current SDL version.
*/
#ifndef SDL_version_h_
#define SDL_version_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Information the version of SDL in use.
*
* Represents the library's version as three levels: major revision
* (increments with massive changes, additions, and enhancements),
* minor revision (increments with backwards-compatible changes to the
* major revision), and patchlevel (increments with fixes to the minor
* revision).
*
* \sa SDL_VERSION
* \sa SDL_GetVersion
*/
typedef struct SDL_version
{
Uint8 major; /**< major version */
Uint8 minor; /**< minor version */
Uint8 patch; /**< update version */
} SDL_version;
/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
*/
#define SDL_MAJOR_VERSION 2
#define SDL_MINOR_VERSION 0
#define SDL_PATCHLEVEL 10
/**
* \brief Macro to determine SDL version program was compiled against.
*
* This macro fills in a SDL_version structure with the version of the
* library you compiled against. This is determined by what header the
* compiler uses. Note that if you dynamically linked the library, you might
* have a slightly newer or older version at runtime. That version can be
* determined with SDL_GetVersion(), which, unlike SDL_VERSION(),
* is not a macro.
*
* \param x A pointer to a SDL_version struct to initialize.
*
* \sa SDL_version
* \sa SDL_GetVersion
*/
#define SDL_VERSION(x) \
{ \
(x)->major = SDL_MAJOR_VERSION; \
(x)->minor = SDL_MINOR_VERSION; \
(x)->patch = SDL_PATCHLEVEL; \
}
/**
* This macro turns the version numbers into a numeric value:
* \verbatim
(1,2,3) -> (1203)
\endverbatim
*
* This assumes that there will never be more than 100 patchlevels.
*/
#define SDL_VERSIONNUM(X, Y, Z) \
((X)*1000 + (Y)*100 + (Z))
/**
* This is the version number macro for the current SDL version.
*/
#define SDL_COMPILEDVERSION \
SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
/**
* This macro will evaluate to true if compiled with SDL at least X.Y.Z.
*/
#define SDL_VERSION_ATLEAST(X, Y, Z) \
(SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
/**
* \brief Get the version of SDL that is linked against your program.
*
* If you are linking to SDL dynamically, then it is possible that the
* current version will be different than the version you compiled against.
* This function returns the current version, while SDL_VERSION() is a
* macro that tells you what version you compiled with.
*
* \code
* SDL_version compiled;
* SDL_version linked;
*
* SDL_VERSION(&compiled);
* SDL_GetVersion(&linked);
* printf("We compiled against SDL version %d.%d.%d ...\n",
* compiled.major, compiled.minor, compiled.patch);
* printf("But we linked against SDL version %d.%d.%d.\n",
* linked.major, linked.minor, linked.patch);
* \endcode
*
* This function may be called safely at any time, even before SDL_Init().
*
* \sa SDL_VERSION
*/
extern DECLSPEC void SDLCALL SDL_GetVersion(SDL_version * ver);
/**
* \brief Get the code revision of SDL that is linked against your program.
*
* Returns an arbitrary string (a hash value) uniquely identifying the
* exact revision of the SDL library in use, and is only useful in comparing
* against other revisions. It is NOT an incrementing number.
*/
extern DECLSPEC const char *SDLCALL SDL_GetRevision(void);
/**
* \brief Get the revision number of SDL that is linked against your program.
*
* Returns a number uniquely identifying the exact revision of the SDL
* library in use. It is an incrementing number based on commits to
* hg.libsdl.org.
*/
extern DECLSPEC int SDLCALL SDL_GetRevisionNumber(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_version_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_video.h
*
* Header file for SDL video functions.
*/
#ifndef SDL_video_h_
#define SDL_video_h_
#include "SDL_stdinc.h"
#include "SDL_pixels.h"
#include "SDL_rect.h"
#include "SDL_surface.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief The structure that defines a display mode
*
* \sa SDL_GetNumDisplayModes()
* \sa SDL_GetDisplayMode()
* \sa SDL_GetDesktopDisplayMode()
* \sa SDL_GetCurrentDisplayMode()
* \sa SDL_GetClosestDisplayMode()
* \sa SDL_SetWindowDisplayMode()
* \sa SDL_GetWindowDisplayMode()
*/
typedef struct
{
Uint32 format; /**< pixel format */
int w; /**< width, in screen coordinates */
int h; /**< height, in screen coordinates */
int refresh_rate; /**< refresh rate (or zero for unspecified) */
void *driverdata; /**< driver-specific data, initialize to 0 */
} SDL_DisplayMode;
/**
* \brief The type used to identify a window
*
* \sa SDL_CreateWindow()
* \sa SDL_CreateWindowFrom()
* \sa SDL_DestroyWindow()
* \sa SDL_GetWindowData()
* \sa SDL_GetWindowFlags()
* \sa SDL_GetWindowGrab()
* \sa SDL_GetWindowPosition()
* \sa SDL_GetWindowSize()
* \sa SDL_GetWindowTitle()
* \sa SDL_HideWindow()
* \sa SDL_MaximizeWindow()
* \sa SDL_MinimizeWindow()
* \sa SDL_RaiseWindow()
* \sa SDL_RestoreWindow()
* \sa SDL_SetWindowData()
* \sa SDL_SetWindowFullscreen()
* \sa SDL_SetWindowGrab()
* \sa SDL_SetWindowIcon()
* \sa SDL_SetWindowPosition()
* \sa SDL_SetWindowSize()
* \sa SDL_SetWindowBordered()
* \sa SDL_SetWindowResizable()
* \sa SDL_SetWindowTitle()
* \sa SDL_ShowWindow()
*/
typedef struct SDL_Window SDL_Window;
/**
* \brief The flags on a window
*
* \sa SDL_GetWindowFlags()
*/
typedef enum
{
/* !!! FIXME: change this to name = (1<<x). */
SDL_WINDOW_FULLSCREEN = 0x00000001, /**< fullscreen window */
SDL_WINDOW_OPENGL = 0x00000002, /**< window usable with OpenGL context */
SDL_WINDOW_SHOWN = 0x00000004, /**< window is visible */
SDL_WINDOW_HIDDEN = 0x00000008, /**< window is not visible */
SDL_WINDOW_BORDERLESS = 0x00000010, /**< no window decoration */
SDL_WINDOW_RESIZABLE = 0x00000020, /**< window can be resized */
SDL_WINDOW_MINIMIZED = 0x00000040, /**< window is minimized */
SDL_WINDOW_MAXIMIZED = 0x00000080, /**< window is maximized */
SDL_WINDOW_INPUT_GRABBED = 0x00000100, /**< window has grabbed input focus */
SDL_WINDOW_INPUT_FOCUS = 0x00000200, /**< window has input focus */
SDL_WINDOW_MOUSE_FOCUS = 0x00000400, /**< window has mouse focus */
SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
SDL_WINDOW_FOREIGN = 0x00000800, /**< window not created by SDL */
SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000, /**< window should be created in high-DPI mode if supported.
On macOS NSHighResolutionCapable must be set true in the
application's Info.plist for this to have any effect. */
SDL_WINDOW_MOUSE_CAPTURE = 0x00004000, /**< window has mouse captured (unrelated to INPUT_GRABBED) */
SDL_WINDOW_ALWAYS_ON_TOP = 0x00008000, /**< window should always be above others */
SDL_WINDOW_SKIP_TASKBAR = 0x00010000, /**< window should not be added to the taskbar */
SDL_WINDOW_UTILITY = 0x00020000, /**< window should be treated as a utility window */
SDL_WINDOW_TOOLTIP = 0x00040000, /**< window should be treated as a tooltip */
SDL_WINDOW_POPUP_MENU = 0x00080000, /**< window should be treated as a popup menu */
SDL_WINDOW_VULKAN = 0x10000000 /**< window usable for Vulkan surface */
} SDL_WindowFlags;
/**
* \brief Used to indicate that you don't care what the window position is.
*/
#define SDL_WINDOWPOS_UNDEFINED_MASK 0x1FFF0000u
#define SDL_WINDOWPOS_UNDEFINED_DISPLAY(X) (SDL_WINDOWPOS_UNDEFINED_MASK|(X))
#define SDL_WINDOWPOS_UNDEFINED SDL_WINDOWPOS_UNDEFINED_DISPLAY(0)
#define SDL_WINDOWPOS_ISUNDEFINED(X) \
(((X)&0xFFFF0000) == SDL_WINDOWPOS_UNDEFINED_MASK)
/**
* \brief Used to indicate that the window position should be centered.
*/
#define SDL_WINDOWPOS_CENTERED_MASK 0x2FFF0000u
#define SDL_WINDOWPOS_CENTERED_DISPLAY(X) (SDL_WINDOWPOS_CENTERED_MASK|(X))
#define SDL_WINDOWPOS_CENTERED SDL_WINDOWPOS_CENTERED_DISPLAY(0)
#define SDL_WINDOWPOS_ISCENTERED(X) \
(((X)&0xFFFF0000) == SDL_WINDOWPOS_CENTERED_MASK)
/**
* \brief Event subtype for window events
*/
typedef enum
{
SDL_WINDOWEVENT_NONE, /**< Never used */
SDL_WINDOWEVENT_SHOWN, /**< Window has been shown */
SDL_WINDOWEVENT_HIDDEN, /**< Window has been hidden */
SDL_WINDOWEVENT_EXPOSED, /**< Window has been exposed and should be
redrawn */
SDL_WINDOWEVENT_MOVED, /**< Window has been moved to data1, data2
*/
SDL_WINDOWEVENT_RESIZED, /**< Window has been resized to data1xdata2 */
SDL_WINDOWEVENT_SIZE_CHANGED, /**< The window size has changed, either as
a result of an API call or through the
system or user changing the window size. */
SDL_WINDOWEVENT_MINIMIZED, /**< Window has been minimized */
SDL_WINDOWEVENT_MAXIMIZED, /**< Window has been maximized */
SDL_WINDOWEVENT_RESTORED, /**< Window has been restored to normal size
and position */
SDL_WINDOWEVENT_ENTER, /**< Window has gained mouse focus */
SDL_WINDOWEVENT_LEAVE, /**< Window has lost mouse focus */
SDL_WINDOWEVENT_FOCUS_GAINED, /**< Window has gained keyboard focus */
SDL_WINDOWEVENT_FOCUS_LOST, /**< Window has lost keyboard focus */
SDL_WINDOWEVENT_CLOSE, /**< The window manager requests that the window be closed */
SDL_WINDOWEVENT_TAKE_FOCUS, /**< Window is being offered a focus (should SetWindowInputFocus() on itself or a subwindow, or ignore) */
SDL_WINDOWEVENT_HIT_TEST /**< Window had a hit test that wasn't SDL_HITTEST_NORMAL. */
} SDL_WindowEventID;
/**
* \brief Event subtype for display events
*/
typedef enum
{
SDL_DISPLAYEVENT_NONE, /**< Never used */
SDL_DISPLAYEVENT_ORIENTATION /**< Display orientation has changed to data1 */
} SDL_DisplayEventID;
typedef enum
{
SDL_ORIENTATION_UNKNOWN, /**< The display orientation can't be determined */
SDL_ORIENTATION_LANDSCAPE, /**< The display is in landscape mode, with the right side up, relative to portrait mode */
SDL_ORIENTATION_LANDSCAPE_FLIPPED, /**< The display is in landscape mode, with the left side up, relative to portrait mode */
SDL_ORIENTATION_PORTRAIT, /**< The display is in portrait mode */
SDL_ORIENTATION_PORTRAIT_FLIPPED /**< The display is in portrait mode, upside down */
} SDL_DisplayOrientation;
/**
* \brief An opaque handle to an OpenGL context.
*/
typedef void *SDL_GLContext;
/**
* \brief OpenGL configuration attributes
*/
typedef enum
{
SDL_GL_RED_SIZE,
SDL_GL_GREEN_SIZE,
SDL_GL_BLUE_SIZE,
SDL_GL_ALPHA_SIZE,
SDL_GL_BUFFER_SIZE,
SDL_GL_DOUBLEBUFFER,
SDL_GL_DEPTH_SIZE,
SDL_GL_STENCIL_SIZE,
SDL_GL_ACCUM_RED_SIZE,
SDL_GL_ACCUM_GREEN_SIZE,
SDL_GL_ACCUM_BLUE_SIZE,
SDL_GL_ACCUM_ALPHA_SIZE,
SDL_GL_STEREO,
SDL_GL_MULTISAMPLEBUFFERS,
SDL_GL_MULTISAMPLESAMPLES,
SDL_GL_ACCELERATED_VISUAL,
SDL_GL_RETAINED_BACKING,
SDL_GL_CONTEXT_MAJOR_VERSION,
SDL_GL_CONTEXT_MINOR_VERSION,
SDL_GL_CONTEXT_EGL,
SDL_GL_CONTEXT_FLAGS,
SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_SHARE_WITH_CURRENT_CONTEXT,
SDL_GL_FRAMEBUFFER_SRGB_CAPABLE,
SDL_GL_CONTEXT_RELEASE_BEHAVIOR,
SDL_GL_CONTEXT_RESET_NOTIFICATION,
SDL_GL_CONTEXT_NO_ERROR
} SDL_GLattr;
typedef enum
{
SDL_GL_CONTEXT_PROFILE_CORE = 0x0001,
SDL_GL_CONTEXT_PROFILE_COMPATIBILITY = 0x0002,
SDL_GL_CONTEXT_PROFILE_ES = 0x0004 /**< GLX_CONTEXT_ES2_PROFILE_BIT_EXT */
} SDL_GLprofile;
typedef enum
{
SDL_GL_CONTEXT_DEBUG_FLAG = 0x0001,
SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG = 0x0002,
SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG = 0x0004,
SDL_GL_CONTEXT_RESET_ISOLATION_FLAG = 0x0008
} SDL_GLcontextFlag;
typedef enum
{
SDL_GL_CONTEXT_RELEASE_BEHAVIOR_NONE = 0x0000,
SDL_GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH = 0x0001
} SDL_GLcontextReleaseFlag;
typedef enum
{
SDL_GL_CONTEXT_RESET_NO_NOTIFICATION = 0x0000,
SDL_GL_CONTEXT_RESET_LOSE_CONTEXT = 0x0001
} SDL_GLContextResetNotification;
/* Function prototypes */
/**
* \brief Get the number of video drivers compiled into SDL
*
* \sa SDL_GetVideoDriver()
*/
extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void);
/**
* \brief Get the name of a built in video driver.
*
* \note The video drivers are presented in the order in which they are
* normally checked during initialization.
*
* \sa SDL_GetNumVideoDrivers()
*/
extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index);
/**
* \brief Initialize the video subsystem, optionally specifying a video driver.
*
* \param driver_name Initialize a specific driver by name, or NULL for the
* default video driver.
*
* \return 0 on success, -1 on error
*
* This function initializes the video subsystem; setting up a connection
* to the window manager, etc, and determines the available display modes
* and pixel formats, but does not initialize a window or graphics mode.
*
* \sa SDL_VideoQuit()
*/
extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name);
/**
* \brief Shuts down the video subsystem.
*
* This function closes all windows, and restores the original video mode.
*
* \sa SDL_VideoInit()
*/
extern DECLSPEC void SDLCALL SDL_VideoQuit(void);
/**
* \brief Returns the name of the currently initialized video driver.
*
* \return The name of the current video driver or NULL if no driver
* has been initialized
*
* \sa SDL_GetNumVideoDrivers()
* \sa SDL_GetVideoDriver()
*/
extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void);
/**
* \brief Returns the number of available video displays.
*
* \sa SDL_GetDisplayBounds()
*/
extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void);
/**
* \brief Get the name of a display in UTF-8 encoding
*
* \return The name of a display, or NULL for an invalid display index.
*
* \sa SDL_GetNumVideoDisplays()
*/
extern DECLSPEC const char * SDLCALL SDL_GetDisplayName(int displayIndex);
/**
* \brief Get the desktop area represented by a display, with the primary
* display located at 0,0
*
* \return 0 on success, or -1 if the index is out of range.
*
* \sa SDL_GetNumVideoDisplays()
*/
extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
/**
* \brief Get the usable desktop area represented by a display, with the
* primary display located at 0,0
*
* This is the same area as SDL_GetDisplayBounds() reports, but with portions
* reserved by the system removed. For example, on Mac OS X, this subtracts
* the area occupied by the menu bar and dock.
*
* Setting a window to be fullscreen generally bypasses these unusable areas,
* so these are good guidelines for the maximum space available to a
* non-fullscreen window.
*
* \return 0 on success, or -1 if the index is out of range.
*
* \sa SDL_GetDisplayBounds()
* \sa SDL_GetNumVideoDisplays()
*/
extern DECLSPEC int SDLCALL SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect);
/**
* \brief Get the dots/pixels-per-inch for a display
*
* \note Diagonal, horizontal and vertical DPI can all be optionally
* returned if the parameter is non-NULL.
*
* \return 0 on success, or -1 if no DPI information is available or the index is out of range.
*
* \sa SDL_GetNumVideoDisplays()
*/
extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
/**
* \brief Get the orientation of a display
*
* \return The orientation of the display, or SDL_ORIENTATION_UNKNOWN if it isn't available.
*
* \sa SDL_GetNumVideoDisplays()
*/
extern DECLSPEC SDL_DisplayOrientation SDLCALL SDL_GetDisplayOrientation(int displayIndex);
/**
* \brief Returns the number of available display modes.
*
* \sa SDL_GetDisplayMode()
*/
extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(int displayIndex);
/**
* \brief Fill in information about a specific display mode.
*
* \note The display modes are sorted in this priority:
* \li bits per pixel -> more colors to fewer colors
* \li width -> largest to smallest
* \li height -> largest to smallest
* \li refresh rate -> highest to lowest
*
* \sa SDL_GetNumDisplayModes()
*/
extern DECLSPEC int SDLCALL SDL_GetDisplayMode(int displayIndex, int modeIndex,
SDL_DisplayMode * mode);
/**
* \brief Fill in information about the desktop display mode.
*/
extern DECLSPEC int SDLCALL SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode);
/**
* \brief Fill in information about the current display mode.
*/
extern DECLSPEC int SDLCALL SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode);
/**
* \brief Get the closest match to the requested display mode.
*
* \param displayIndex The index of display from which mode should be queried.
* \param mode The desired display mode
* \param closest A pointer to a display mode to be filled in with the closest
* match of the available display modes.
*
* \return The passed in value \c closest, or NULL if no matching video mode
* was available.
*
* The available display modes are scanned, and \c closest is filled in with the
* closest mode matching the requested mode and returned. The mode format and
* refresh_rate default to the desktop mode if they are 0. The modes are
* scanned with size being first priority, format being second priority, and
* finally checking the refresh_rate. If all the available modes are too
* small, then NULL is returned.
*
* \sa SDL_GetNumDisplayModes()
* \sa SDL_GetDisplayMode()
*/
extern DECLSPEC SDL_DisplayMode * SDLCALL SDL_GetClosestDisplayMode(int displayIndex, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
/**
* \brief Get the display index associated with a window.
*
* \return the display index of the display containing the center of the
* window, or -1 on error.
*/
extern DECLSPEC int SDLCALL SDL_GetWindowDisplayIndex(SDL_Window * window);
/**
* \brief Set the display mode used when a fullscreen window is visible.
*
* By default the window's dimensions and the desktop format and refresh rate
* are used.
*
* \param window The window for which the display mode should be set.
* \param mode The mode to use, or NULL for the default mode.
*
* \return 0 on success, or -1 if setting the display mode failed.
*
* \sa SDL_GetWindowDisplayMode()
* \sa SDL_SetWindowFullscreen()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowDisplayMode(SDL_Window * window,
const SDL_DisplayMode
* mode);
/**
* \brief Fill in information about the display mode used when a fullscreen
* window is visible.
*
* \sa SDL_SetWindowDisplayMode()
* \sa SDL_SetWindowFullscreen()
*/
extern DECLSPEC int SDLCALL SDL_GetWindowDisplayMode(SDL_Window * window,
SDL_DisplayMode * mode);
/**
* \brief Get the pixel format associated with the window.
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
/**
* \brief Create a window with the specified position, dimensions, and flags.
*
* \param title The title of the window, in UTF-8 encoding.
* \param x The x position of the window, ::SDL_WINDOWPOS_CENTERED, or
* ::SDL_WINDOWPOS_UNDEFINED.
* \param y The y position of the window, ::SDL_WINDOWPOS_CENTERED, or
* ::SDL_WINDOWPOS_UNDEFINED.
* \param w The width of the window, in screen coordinates.
* \param h The height of the window, in screen coordinates.
* \param flags The flags for the window, a mask of any of the following:
* ::SDL_WINDOW_FULLSCREEN, ::SDL_WINDOW_OPENGL,
* ::SDL_WINDOW_HIDDEN, ::SDL_WINDOW_BORDERLESS,
* ::SDL_WINDOW_RESIZABLE, ::SDL_WINDOW_MAXIMIZED,
* ::SDL_WINDOW_MINIMIZED, ::SDL_WINDOW_INPUT_GRABBED,
* ::SDL_WINDOW_ALLOW_HIGHDPI, ::SDL_WINDOW_VULKAN.
*
* \return The created window, or NULL if window creation failed.
*
* If the window is created with the SDL_WINDOW_ALLOW_HIGHDPI flag, its size
* in pixels may differ from its size in screen coordinates on platforms with
* high-DPI support (e.g. iOS and Mac OS X). Use SDL_GetWindowSize() to query
* the client area's size in screen coordinates, and SDL_GL_GetDrawableSize(),
* SDL_Vulkan_GetDrawableSize(), or SDL_GetRendererOutputSize() to query the
* drawable size in pixels.
*
* If the window is created with any of the SDL_WINDOW_OPENGL or
* SDL_WINDOW_VULKAN flags, then the corresponding LoadLibrary function
* (SDL_GL_LoadLibrary or SDL_Vulkan_LoadLibrary) is called and the
* corresponding UnloadLibrary function is called by SDL_DestroyWindow().
*
* If SDL_WINDOW_VULKAN is specified and there isn't a working Vulkan driver,
* SDL_CreateWindow() will fail because SDL_Vulkan_LoadLibrary() will fail.
*
* \note On non-Apple devices, SDL requires you to either not link to the
* Vulkan loader or link to a dynamic library version. This limitation
* may be removed in a future version of SDL.
*
* \sa SDL_DestroyWindow()
* \sa SDL_GL_LoadLibrary()
* \sa SDL_Vulkan_LoadLibrary()
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindow(const char *title,
int x, int y, int w,
int h, Uint32 flags);
/**
* \brief Create an SDL window from an existing native window.
*
* \param data A pointer to driver-dependent window creation data
*
* \return The created window, or NULL if window creation failed.
*
* \sa SDL_DestroyWindow()
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindowFrom(const void *data);
/**
* \brief Get the numeric ID of a window, for logging purposes.
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetWindowID(SDL_Window * window);
/**
* \brief Get a window from a stored ID, or NULL if it doesn't exist.
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_GetWindowFromID(Uint32 id);
/**
* \brief Get the window flags.
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_Window * window);
/**
* \brief Set the title of a window, in UTF-8 format.
*
* \sa SDL_GetWindowTitle()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_Window * window,
const char *title);
/**
* \brief Get the title of a window, in UTF-8 format.
*
* \sa SDL_SetWindowTitle()
*/
extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_Window * window);
/**
* \brief Set the icon for a window.
*
* \param window The window for which the icon should be set.
* \param icon The icon for the window.
*/
extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Window * window,
SDL_Surface * icon);
/**
* \brief Associate an arbitrary named pointer with a window.
*
* \param window The window to associate with the pointer.
* \param name The name of the pointer.
* \param userdata The associated pointer.
*
* \return The previous value associated with 'name'
*
* \note The name is case-sensitive.
*
* \sa SDL_GetWindowData()
*/
extern DECLSPEC void* SDLCALL SDL_SetWindowData(SDL_Window * window,
const char *name,
void *userdata);
/**
* \brief Retrieve the data pointer associated with a window.
*
* \param window The window to query.
* \param name The name of the pointer.
*
* \return The value associated with 'name'
*
* \sa SDL_SetWindowData()
*/
extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_Window * window,
const char *name);
/**
* \brief Set the position of a window.
*
* \param window The window to reposition.
* \param x The x coordinate of the window in screen coordinates, or
* ::SDL_WINDOWPOS_CENTERED or ::SDL_WINDOWPOS_UNDEFINED.
* \param y The y coordinate of the window in screen coordinates, or
* ::SDL_WINDOWPOS_CENTERED or ::SDL_WINDOWPOS_UNDEFINED.
*
* \note The window coordinate origin is the upper left of the display.
*
* \sa SDL_GetWindowPosition()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_Window * window,
int x, int y);
/**
* \brief Get the position of a window.
*
* \param window The window to query.
* \param x Pointer to variable for storing the x position, in screen
* coordinates. May be NULL.
* \param y Pointer to variable for storing the y position, in screen
* coordinates. May be NULL.
*
* \sa SDL_SetWindowPosition()
*/
extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_Window * window,
int *x, int *y);
/**
* \brief Set the size of a window's client area.
*
* \param window The window to resize.
* \param w The width of the window, in screen coordinates. Must be >0.
* \param h The height of the window, in screen coordinates. Must be >0.
*
* \note Fullscreen windows automatically match the size of the display mode,
* and you should use SDL_SetWindowDisplayMode() to change their size.
*
* The window size in screen coordinates may differ from the size in pixels, if
* the window was created with SDL_WINDOW_ALLOW_HIGHDPI on a platform with
* high-dpi support (e.g. iOS or OS X). Use SDL_GL_GetDrawableSize() or
* SDL_GetRendererOutputSize() to get the real client area size in pixels.
*
* \sa SDL_GetWindowSize()
* \sa SDL_SetWindowDisplayMode()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_Window * window, int w,
int h);
/**
* \brief Get the size of a window's client area.
*
* \param window The window to query.
* \param w Pointer to variable for storing the width, in screen
* coordinates. May be NULL.
* \param h Pointer to variable for storing the height, in screen
* coordinates. May be NULL.
*
* The window size in screen coordinates may differ from the size in pixels, if
* the window was created with SDL_WINDOW_ALLOW_HIGHDPI on a platform with
* high-dpi support (e.g. iOS or OS X). Use SDL_GL_GetDrawableSize() or
* SDL_GetRendererOutputSize() to get the real client area size in pixels.
*
* \sa SDL_SetWindowSize()
*/
extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_Window * window, int *w,
int *h);
/**
* \brief Get the size of a window's borders (decorations) around the client area.
*
* \param window The window to query.
* \param top Pointer to variable for storing the size of the top border. NULL is permitted.
* \param left Pointer to variable for storing the size of the left border. NULL is permitted.
* \param bottom Pointer to variable for storing the size of the bottom border. NULL is permitted.
* \param right Pointer to variable for storing the size of the right border. NULL is permitted.
*
* \return 0 on success, or -1 if getting this information is not supported.
*
* \note if this function fails (returns -1), the size values will be
* initialized to 0, 0, 0, 0 (if a non-NULL pointer is provided), as
* if the window in question was borderless.
*/
extern DECLSPEC int SDLCALL SDL_GetWindowBordersSize(SDL_Window * window,
int *top, int *left,
int *bottom, int *right);
/**
* \brief Set the minimum size of a window's client area.
*
* \param window The window to set a new minimum size.
* \param min_w The minimum width of the window, must be >0
* \param min_h The minimum height of the window, must be >0
*
* \note You can't change the minimum size of a fullscreen window, it
* automatically matches the size of the display mode.
*
* \sa SDL_GetWindowMinimumSize()
* \sa SDL_SetWindowMaximumSize()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowMinimumSize(SDL_Window * window,
int min_w, int min_h);
/**
* \brief Get the minimum size of a window's client area.
*
* \param window The window to query.
* \param w Pointer to variable for storing the minimum width, may be NULL
* \param h Pointer to variable for storing the minimum height, may be NULL
*
* \sa SDL_GetWindowMaximumSize()
* \sa SDL_SetWindowMinimumSize()
*/
extern DECLSPEC void SDLCALL SDL_GetWindowMinimumSize(SDL_Window * window,
int *w, int *h);
/**
* \brief Set the maximum size of a window's client area.
*
* \param window The window to set a new maximum size.
* \param max_w The maximum width of the window, must be >0
* \param max_h The maximum height of the window, must be >0
*
* \note You can't change the maximum size of a fullscreen window, it
* automatically matches the size of the display mode.
*
* \sa SDL_GetWindowMaximumSize()
* \sa SDL_SetWindowMinimumSize()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowMaximumSize(SDL_Window * window,
int max_w, int max_h);
/**
* \brief Get the maximum size of a window's client area.
*
* \param window The window to query.
* \param w Pointer to variable for storing the maximum width, may be NULL
* \param h Pointer to variable for storing the maximum height, may be NULL
*
* \sa SDL_GetWindowMinimumSize()
* \sa SDL_SetWindowMaximumSize()
*/
extern DECLSPEC void SDLCALL SDL_GetWindowMaximumSize(SDL_Window * window,
int *w, int *h);
/**
* \brief Set the border state of a window.
*
* This will add or remove the window's SDL_WINDOW_BORDERLESS flag and
* add or remove the border from the actual window. This is a no-op if the
* window's border already matches the requested state.
*
* \param window The window of which to change the border state.
* \param bordered SDL_FALSE to remove border, SDL_TRUE to add border.
*
* \note You can't change the border state of a fullscreen window.
*
* \sa SDL_GetWindowFlags()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowBordered(SDL_Window * window,
SDL_bool bordered);
/**
* \brief Set the user-resizable state of a window.
*
* This will add or remove the window's SDL_WINDOW_RESIZABLE flag and
* allow/disallow user resizing of the window. This is a no-op if the
* window's resizable state already matches the requested state.
*
* \param window The window of which to change the resizable state.
* \param resizable SDL_TRUE to allow resizing, SDL_FALSE to disallow.
*
* \note You can't change the resizable state of a fullscreen window.
*
* \sa SDL_GetWindowFlags()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowResizable(SDL_Window * window,
SDL_bool resizable);
/**
* \brief Show a window.
*
* \sa SDL_HideWindow()
*/
extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_Window * window);
/**
* \brief Hide a window.
*
* \sa SDL_ShowWindow()
*/
extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_Window * window);
/**
* \brief Raise a window above other windows and set the input focus.
*/
extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_Window * window);
/**
* \brief Make a window as large as possible.
*
* \sa SDL_RestoreWindow()
*/
extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_Window * window);
/**
* \brief Minimize a window to an iconic representation.
*
* \sa SDL_RestoreWindow()
*/
extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_Window * window);
/**
* \brief Restore the size and position of a minimized or maximized window.
*
* \sa SDL_MaximizeWindow()
* \sa SDL_MinimizeWindow()
*/
extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_Window * window);
/**
* \brief Set a window's fullscreen state.
*
* \return 0 on success, or -1 if setting the display mode failed.
*
* \sa SDL_SetWindowDisplayMode()
* \sa SDL_GetWindowDisplayMode()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowFullscreen(SDL_Window * window,
Uint32 flags);
/**
* \brief Get the SDL surface associated with the window.
*
* \return The window's framebuffer surface, or NULL on error.
*
* A new surface will be created with the optimal format for the window,
* if necessary. This surface will be freed when the window is destroyed.
*
* \note You may not combine this with 3D or the rendering API on this window.
*
* \sa SDL_UpdateWindowSurface()
* \sa SDL_UpdateWindowSurfaceRects()
*/
extern DECLSPEC SDL_Surface * SDLCALL SDL_GetWindowSurface(SDL_Window * window);
/**
* \brief Copy the window surface to the screen.
*
* \return 0 on success, or -1 on error.
*
* \sa SDL_GetWindowSurface()
* \sa SDL_UpdateWindowSurfaceRects()
*/
extern DECLSPEC int SDLCALL SDL_UpdateWindowSurface(SDL_Window * window);
/**
* \brief Copy a number of rectangles on the window surface to the screen.
*
* \return 0 on success, or -1 on error.
*
* \sa SDL_GetWindowSurface()
* \sa SDL_UpdateWindowSurface()
*/
extern DECLSPEC int SDLCALL SDL_UpdateWindowSurfaceRects(SDL_Window * window,
const SDL_Rect * rects,
int numrects);
/**
* \brief Set a window's input grab mode.
*
* \param window The window for which the input grab mode should be set.
* \param grabbed This is SDL_TRUE to grab input, and SDL_FALSE to release input.
*
* If the caller enables a grab while another window is currently grabbed,
* the other window loses its grab in favor of the caller's window.
*
* \sa SDL_GetWindowGrab()
*/
extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_Window * window,
SDL_bool grabbed);
/**
* \brief Get a window's input grab mode.
*
* \return This returns SDL_TRUE if input is grabbed, and SDL_FALSE otherwise.
*
* \sa SDL_SetWindowGrab()
*/
extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowGrab(SDL_Window * window);
/**
* \brief Get the window that currently has an input grab enabled.
*
* \return This returns the window if input is grabbed, and NULL otherwise.
*
* \sa SDL_SetWindowGrab()
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_GetGrabbedWindow(void);
/**
* \brief Set the brightness (gamma correction) for a window.
*
* \return 0 on success, or -1 if setting the brightness isn't supported.
*
* \sa SDL_GetWindowBrightness()
* \sa SDL_SetWindowGammaRamp()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowBrightness(SDL_Window * window, float brightness);
/**
* \brief Get the brightness (gamma correction) for a window.
*
* \return The last brightness value passed to SDL_SetWindowBrightness()
*
* \sa SDL_SetWindowBrightness()
*/
extern DECLSPEC float SDLCALL SDL_GetWindowBrightness(SDL_Window * window);
/**
* \brief Set the opacity for a window
*
* \param window The window which will be made transparent or opaque
* \param opacity Opacity (0.0f - transparent, 1.0f - opaque) This will be
* clamped internally between 0.0f and 1.0f.
*
* \return 0 on success, or -1 if setting the opacity isn't supported.
*
* \sa SDL_GetWindowOpacity()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowOpacity(SDL_Window * window, float opacity);
/**
* \brief Get the opacity of a window.
*
* If transparency isn't supported on this platform, opacity will be reported
* as 1.0f without error.
*
* \param window The window in question.
* \param out_opacity Opacity (0.0f - transparent, 1.0f - opaque)
*
* \return 0 on success, or -1 on error (invalid window, etc).
*
* \sa SDL_SetWindowOpacity()
*/
extern DECLSPEC int SDLCALL SDL_GetWindowOpacity(SDL_Window * window, float * out_opacity);
/**
* \brief Sets the window as a modal for another window (TODO: reconsider this function and/or its name)
*
* \param modal_window The window that should be modal
* \param parent_window The parent window
*
* \return 0 on success, or -1 otherwise.
*/
extern DECLSPEC int SDLCALL SDL_SetWindowModalFor(SDL_Window * modal_window, SDL_Window * parent_window);
/**
* \brief Explicitly sets input focus to the window.
*
* You almost certainly want SDL_RaiseWindow() instead of this function. Use
* this with caution, as you might give focus to a window that's completely
* obscured by other windows.
*
* \param window The window that should get the input focus
*
* \return 0 on success, or -1 otherwise.
* \sa SDL_RaiseWindow()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowInputFocus(SDL_Window * window);
/**
* \brief Set the gamma ramp for a window.
*
* \param window The window for which the gamma ramp should be set.
* \param red The translation table for the red channel, or NULL.
* \param green The translation table for the green channel, or NULL.
* \param blue The translation table for the blue channel, or NULL.
*
* \return 0 on success, or -1 if gamma ramps are unsupported.
*
* Set the gamma translation table for the red, green, and blue channels
* of the video hardware. Each table is an array of 256 16-bit quantities,
* representing a mapping between the input and output for that channel.
* The input is the index into the array, and the output is the 16-bit
* gamma value at that index, scaled to the output color precision.
*
* \sa SDL_GetWindowGammaRamp()
*/
extern DECLSPEC int SDLCALL SDL_SetWindowGammaRamp(SDL_Window * window,
const Uint16 * red,
const Uint16 * green,
const Uint16 * blue);
/**
* \brief Get the gamma ramp for a window.
*
* \param window The window from which the gamma ramp should be queried.
* \param red A pointer to a 256 element array of 16-bit quantities to hold
* the translation table for the red channel, or NULL.
* \param green A pointer to a 256 element array of 16-bit quantities to hold
* the translation table for the green channel, or NULL.
* \param blue A pointer to a 256 element array of 16-bit quantities to hold
* the translation table for the blue channel, or NULL.
*
* \return 0 on success, or -1 if gamma ramps are unsupported.
*
* \sa SDL_SetWindowGammaRamp()
*/
extern DECLSPEC int SDLCALL SDL_GetWindowGammaRamp(SDL_Window * window,
Uint16 * red,
Uint16 * green,
Uint16 * blue);
/**
* \brief Possible return values from the SDL_HitTest callback.
*
* \sa SDL_HitTest
*/
typedef enum
{
SDL_HITTEST_NORMAL, /**< Region is normal. No special properties. */
SDL_HITTEST_DRAGGABLE, /**< Region can drag entire window. */
SDL_HITTEST_RESIZE_TOPLEFT,
SDL_HITTEST_RESIZE_TOP,
SDL_HITTEST_RESIZE_TOPRIGHT,
SDL_HITTEST_RESIZE_RIGHT,
SDL_HITTEST_RESIZE_BOTTOMRIGHT,
SDL_HITTEST_RESIZE_BOTTOM,
SDL_HITTEST_RESIZE_BOTTOMLEFT,
SDL_HITTEST_RESIZE_LEFT
} SDL_HitTestResult;
/**
* \brief Callback used for hit-testing.
*
* \sa SDL_SetWindowHitTest
*/
typedef SDL_HitTestResult (SDLCALL *SDL_HitTest)(SDL_Window *win,
const SDL_Point *area,
void *data);
/**
* \brief Provide a callback that decides if a window region has special properties.
*
* Normally windows are dragged and resized by decorations provided by the
* system window manager (a title bar, borders, etc), but for some apps, it
* makes sense to drag them from somewhere else inside the window itself; for
* example, one might have a borderless window that wants to be draggable
* from any part, or simulate its own title bar, etc.
*
* This function lets the app provide a callback that designates pieces of
* a given window as special. This callback is run during event processing
* if we need to tell the OS to treat a region of the window specially; the
* use of this callback is known as "hit testing."
*
* Mouse input may not be delivered to your application if it is within
* a special area; the OS will often apply that input to moving the window or
* resizing the window and not deliver it to the application.
*
* Specifying NULL for a callback disables hit-testing. Hit-testing is
* disabled by default.
*
* Platforms that don't support this functionality will return -1
* unconditionally, even if you're attempting to disable hit-testing.
*
* Your callback may fire at any time, and its firing does not indicate any
* specific behavior (for example, on Windows, this certainly might fire
* when the OS is deciding whether to drag your window, but it fires for lots
* of other reasons, too, some unrelated to anything you probably care about
* _and when the mouse isn't actually at the location it is testing_).
* Since this can fire at any time, you should try to keep your callback
* efficient, devoid of allocations, etc.
*
* \param window The window to set hit-testing on.
* \param callback The callback to call when doing a hit-test.
* \param callback_data An app-defined void pointer passed to the callback.
* \return 0 on success, -1 on error (including unsupported).
*/
extern DECLSPEC int SDLCALL SDL_SetWindowHitTest(SDL_Window * window,
SDL_HitTest callback,
void *callback_data);
/**
* \brief Destroy a window.
*/
extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_Window * window);
/**
* \brief Returns whether the screensaver is currently enabled (default off).
*
* \sa SDL_EnableScreenSaver()
* \sa SDL_DisableScreenSaver()
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenSaverEnabled(void);
/**
* \brief Allow the screen to be blanked by a screensaver
*
* \sa SDL_IsScreenSaverEnabled()
* \sa SDL_DisableScreenSaver()
*/
extern DECLSPEC void SDLCALL SDL_EnableScreenSaver(void);
/**
* \brief Prevent the screen from being blanked by a screensaver
*
* \sa SDL_IsScreenSaverEnabled()
* \sa SDL_EnableScreenSaver()
*/
extern DECLSPEC void SDLCALL SDL_DisableScreenSaver(void);
/**
* \name OpenGL support functions
*/
/* @{ */
/**
* \brief Dynamically load an OpenGL library.
*
* \param path The platform dependent OpenGL library name, or NULL to open the
* default OpenGL library.
*
* \return 0 on success, or -1 if the library couldn't be loaded.
*
* This should be done after initializing the video driver, but before
* creating any OpenGL windows. If no OpenGL library is loaded, the default
* library will be loaded upon creation of the first OpenGL window.
*
* \note If you do this, you need to retrieve all of the GL functions used in
* your program from the dynamic library using SDL_GL_GetProcAddress().
*
* \sa SDL_GL_GetProcAddress()
* \sa SDL_GL_UnloadLibrary()
*/
extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path);
/**
* \brief Get the address of an OpenGL function.
*/
extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc);
/**
* \brief Unload the OpenGL library previously loaded by SDL_GL_LoadLibrary().
*
* \sa SDL_GL_LoadLibrary()
*/
extern DECLSPEC void SDLCALL SDL_GL_UnloadLibrary(void);
/**
* \brief Return true if an OpenGL extension is supported for the current
* context.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_GL_ExtensionSupported(const char
*extension);
/**
* \brief Reset all previously set OpenGL context attributes to their default values
*/
extern DECLSPEC void SDLCALL SDL_GL_ResetAttributes(void);
/**
* \brief Set an OpenGL window attribute before window creation.
*
* \return 0 on success, or -1 if the attribute could not be set.
*/
extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value);
/**
* \brief Get the actual value for an attribute from the current context.
*
* \return 0 on success, or -1 if the attribute could not be retrieved.
* The integer at \c value will be modified in either case.
*/
extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
/**
* \brief Create an OpenGL context for use with an OpenGL window, and make it
* current.
*
* \sa SDL_GL_DeleteContext()
*/
extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_CreateContext(SDL_Window *
window);
/**
* \brief Set up an OpenGL context for rendering into an OpenGL window.
*
* \note The context must have been created with a compatible window.
*/
extern DECLSPEC int SDLCALL SDL_GL_MakeCurrent(SDL_Window * window,
SDL_GLContext context);
/**
* \brief Get the currently active OpenGL window.
*/
extern DECLSPEC SDL_Window* SDLCALL SDL_GL_GetCurrentWindow(void);
/**
* \brief Get the currently active OpenGL context.
*/
extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_GetCurrentContext(void);
/**
* \brief Get the size of a window's underlying drawable in pixels (for use
* with glViewport).
*
* \param window Window from which the drawable size should be queried
* \param w Pointer to variable for storing the width in pixels, may be NULL
* \param h Pointer to variable for storing the height in pixels, may be NULL
*
* This may differ from SDL_GetWindowSize() if we're rendering to a high-DPI
* drawable, i.e. the window was created with SDL_WINDOW_ALLOW_HIGHDPI on a
* platform with high-DPI support (Apple calls this "Retina"), and not disabled
* by the SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
*
* \sa SDL_GetWindowSize()
* \sa SDL_CreateWindow()
*/
extern DECLSPEC void SDLCALL SDL_GL_GetDrawableSize(SDL_Window * window, int *w,
int *h);
/**
* \brief Set the swap interval for the current OpenGL context.
*
* \param interval 0 for immediate updates, 1 for updates synchronized with the
* vertical retrace. If the system supports it, you may
* specify -1 to allow late swaps to happen immediately
* instead of waiting for the next retrace.
*
* \return 0 on success, or -1 if setting the swap interval is not supported.
*
* \sa SDL_GL_GetSwapInterval()
*/
extern DECLSPEC int SDLCALL SDL_GL_SetSwapInterval(int interval);
/**
* \brief Get the swap interval for the current OpenGL context.
*
* \return 0 if there is no vertical retrace synchronization, 1 if the buffer
* swap is synchronized with the vertical retrace, and -1 if late
* swaps happen immediately instead of waiting for the next retrace.
* If the system can't determine the swap interval, or there isn't a
* valid current context, this will return 0 as a safe default.
*
* \sa SDL_GL_SetSwapInterval()
*/
extern DECLSPEC int SDLCALL SDL_GL_GetSwapInterval(void);
/**
* \brief Swap the OpenGL buffers for a window, if double-buffering is
* supported.
*/
extern DECLSPEC void SDLCALL SDL_GL_SwapWindow(SDL_Window * window);
/**
* \brief Delete an OpenGL context.
*
* \sa SDL_GL_CreateContext()
*/
extern DECLSPEC void SDLCALL SDL_GL_DeleteContext(SDL_GLContext context);
/* @} *//* OpenGL support functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_video_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 2017, Mark Callow
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_vulkan.h
*
* Header file for functions to creating Vulkan surfaces on SDL windows.
*/
#ifndef SDL_vulkan_h_
#define SDL_vulkan_h_
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Avoid including vulkan.h, don't define VkInstance if it's already included */
#ifdef VULKAN_H_
#define NO_SDL_VULKAN_TYPEDEFS
#endif
#ifndef NO_SDL_VULKAN_TYPEDEFS
#define VK_DEFINE_HANDLE(object) typedef struct object##_T* object;
#if defined(__LP64__) || defined(_WIN64) || defined(__x86_64__) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__)
#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef struct object##_T *object;
#else
#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef uint64_t object;
#endif
VK_DEFINE_HANDLE(VkInstance)
VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkSurfaceKHR)
#endif /* !NO_SDL_VULKAN_TYPEDEFS */
typedef VkInstance SDL_vulkanInstance;
typedef VkSurfaceKHR SDL_vulkanSurface; /* for compatibility with Tizen */
/**
* \name Vulkan support functions
*
* \note SDL_Vulkan_GetInstanceExtensions & SDL_Vulkan_CreateSurface API
* is compatable with Tizen's implementation of Vulkan in SDL.
*/
/* @{ */
/**
* \brief Dynamically load a Vulkan loader library.
*
* \param [in] path The platform dependent Vulkan loader library name, or
* \c NULL.
*
* \return \c 0 on success, or \c -1 if the library couldn't be loaded.
*
* If \a path is NULL SDL will use the value of the environment variable
* \c SDL_VULKAN_LIBRARY, if set, otherwise it loads the default Vulkan
* loader library.
*
* This should be called after initializing the video driver, but before
* creating any Vulkan windows. If no Vulkan loader library is loaded, the
* default library will be loaded upon creation of the first Vulkan window.
*
* \note It is fairly common for Vulkan applications to link with \a libvulkan
* instead of explicitly loading it at run time. This will work with
* SDL provided the application links to a dynamic library and both it
* and SDL use the same search path.
*
* \note If you specify a non-NULL \c path, an application should retrieve all
* of the Vulkan functions it uses from the dynamic library using
* \c SDL_Vulkan_GetVkGetInstanceProcAddr() unless you can guarantee
* \c path points to the same vulkan loader library the application
* linked to.
*
* \note On Apple devices, if \a path is NULL, SDL will attempt to find
* the vkGetInstanceProcAddr address within all the mach-o images of
* the current process. This is because it is fairly common for Vulkan
* applications to link with libvulkan (and historically MoltenVK was
* provided as a static library). If it is not found then, on macOS, SDL
* will attempt to load \c vulkan.framework/vulkan, \c libvulkan.1.dylib,
* followed by \c libvulkan.dylib, in that order.
* On iOS SDL will attempt to load \c libvulkan.dylib only. Applications
* using a dynamic framework or .dylib must ensure it is included in its
* application bundle.
*
* \note On non-Apple devices, application linking with a static libvulkan is
* not supported. Either do not link to the Vulkan loader or link to a
* dynamic library version.
*
* \note This function will fail if there are no working Vulkan drivers
* installed.
*
* \sa SDL_Vulkan_GetVkGetInstanceProcAddr()
* \sa SDL_Vulkan_UnloadLibrary()
*/
extern DECLSPEC int SDLCALL SDL_Vulkan_LoadLibrary(const char *path);
/**
* \brief Get the address of the \c vkGetInstanceProcAddr function.
*
* \note This should be called after either calling SDL_Vulkan_LoadLibrary
* or creating an SDL_Window with the SDL_WINDOW_VULKAN flag.
*/
extern DECLSPEC void *SDLCALL SDL_Vulkan_GetVkGetInstanceProcAddr(void);
/**
* \brief Unload the Vulkan loader library previously loaded by
* \c SDL_Vulkan_LoadLibrary().
*
* \sa SDL_Vulkan_LoadLibrary()
*/
extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
/**
* \brief Get the names of the Vulkan instance extensions needed to create
* a surface with \c SDL_Vulkan_CreateSurface().
*
* \param [in] \c NULL or window Window for which the required Vulkan instance
* extensions should be retrieved
* \param [in,out] pCount pointer to an \c unsigned related to the number of
* required Vulkan instance extensions
* \param [out] pNames \c NULL or a pointer to an array to be filled with the
* required Vulkan instance extensions
*
* \return \c SDL_TRUE on success, \c SDL_FALSE on error.
*
* If \a pNames is \c NULL, then the number of required Vulkan instance
* extensions is returned in pCount. Otherwise, \a pCount must point to a
* variable set to the number of elements in the \a pNames array, and on
* return the variable is overwritten with the number of names actually
* written to \a pNames. If \a pCount is less than the number of required
* extensions, at most \a pCount structures will be written. If \a pCount
* is smaller than the number of required extensions, \c SDL_FALSE will be
* returned instead of \c SDL_TRUE, to indicate that not all the required
* extensions were returned.
*
* \note If \c window is not NULL, it will be checked against its creation
* flags to ensure that the Vulkan flag is present. This parameter
* will be removed in a future major release.
*
* \note The returned list of extensions will contain \c VK_KHR_surface
* and zero or more platform specific extensions
*
* \note The extension names queried here must be enabled when calling
* VkCreateInstance, otherwise surface creation will fail.
*
* \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag
* or be \c NULL
*
* \code
* unsigned int count;
* // get count of required extensions
* if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, NULL))
* handle_error();
*
* static const char *const additionalExtensions[] =
* {
* VK_EXT_DEBUG_REPORT_EXTENSION_NAME, // example additional extension
* };
* size_t additionalExtensionsCount = sizeof(additionalExtensions) / sizeof(additionalExtensions[0]);
* size_t extensionCount = count + additionalExtensionsCount;
* const char **names = malloc(sizeof(const char *) * extensionCount);
* if(!names)
* handle_error();
*
* // get names of required extensions
* if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, names))
* handle_error();
*
* // copy additional extensions after required extensions
* for(size_t i = 0; i < additionalExtensionsCount; i++)
* names[i + count] = additionalExtensions[i];
*
* VkInstanceCreateInfo instanceCreateInfo = {};
* instanceCreateInfo.enabledExtensionCount = extensionCount;
* instanceCreateInfo.ppEnabledExtensionNames = names;
* // fill in rest of instanceCreateInfo
*
* VkInstance instance;
* // create the Vulkan instance
* VkResult result = vkCreateInstance(&instanceCreateInfo, NULL, &instance);
* free(names);
* \endcode
*
* \sa SDL_Vulkan_CreateSurface()
*/
extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_GetInstanceExtensions(
SDL_Window *window,
unsigned int *pCount,
const char **pNames);
/**
* \brief Create a Vulkan rendering surface for a window.
*
* \param [in] window SDL_Window to which to attach the rendering surface.
* \param [in] instance handle to the Vulkan instance to use.
* \param [out] surface pointer to a VkSurfaceKHR handle to receive the
* handle of the newly created surface.
*
* \return \c SDL_TRUE on success, \c SDL_FALSE on error.
*
* \code
* VkInstance instance;
* SDL_Window *window;
*
* // create instance and window
*
* // create the Vulkan surface
* VkSurfaceKHR surface;
* if(!SDL_Vulkan_CreateSurface(window, instance, &surface))
* handle_error();
* \endcode
*
* \note \a window should have been created with the \c SDL_WINDOW_VULKAN flag.
*
* \note \a instance should have been created with the extensions returned
* by \c SDL_Vulkan_CreateSurface() enabled.
*
* \sa SDL_Vulkan_GetInstanceExtensions()
*/
extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_CreateSurface(
SDL_Window *window,
VkInstance instance,
VkSurfaceKHR* surface);
/**
* \brief Get the size of a window's underlying drawable in pixels (for use
* with setting viewport, scissor & etc).
*
* \param window SDL_Window from which the drawable size should be queried
* \param w Pointer to variable for storing the width in pixels,
* may be NULL
* \param h Pointer to variable for storing the height in pixels,
* may be NULL
*
* This may differ from SDL_GetWindowSize() if we're rendering to a high-DPI
* drawable, i.e. the window was created with SDL_WINDOW_ALLOW_HIGHDPI on a
* platform with high-DPI support (Apple calls this "Retina"), and not disabled
* by the \c SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
*
* \note On macOS high-DPI support must be enabled for an application by
* setting NSHighResolutionCapable to true in its Info.plist.
*
* \sa SDL_GetWindowSize()
* \sa SDL_CreateWindow()
*/
extern DECLSPEC void SDLCALL SDL_Vulkan_GetDrawableSize(SDL_Window * window,
int *w, int *h);
/* @} *//* Vulkan support functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_vulkan_h_ */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file begin_code.h
*
* This file sets things up for C dynamic library function definitions,
* static inlined functions, and structures aligned at 4-byte alignment.
* If you don't like ugly C preprocessor code, don't look at this file. :)
*/
/* This shouldn't be nested -- included it around code only. */
#ifdef _begin_code_h
#error Nested inclusion of begin_code.h
#endif
#define _begin_code_h
#ifndef SDL_DEPRECATED
# if (__GNUC__ >= 4) /* technically, this arrived in gcc 3.1, but oh well. */
# define SDL_DEPRECATED __attribute__((deprecated))
# else
# define SDL_DEPRECATED
# endif
#endif
#ifndef SDL_UNUSED
# ifdef __GNUC__
# define SDL_UNUSED __attribute__((unused))
# else
# define SDL_UNUSED
# endif
#endif
/* Some compilers use a special export keyword */
#ifndef DECLSPEC
# if defined(__WIN32__) || defined(__WINRT__)
# ifdef __BORLANDC__
# ifdef BUILD_SDL
# define DECLSPEC
# else
# define DECLSPEC __declspec(dllimport)
# endif
# else
# define DECLSPEC __declspec(dllexport)
# endif
# elif defined(__OS2__)
# ifdef BUILD_SDL
# define DECLSPEC __declspec(dllexport)
# else
# define DECLSPEC
# endif
# else
# if defined(__GNUC__) && __GNUC__ >= 4
# define DECLSPEC __attribute__ ((visibility("default")))
# else
# define DECLSPEC
# endif
# endif
#endif
/* By default SDL uses the C calling convention */
#ifndef SDLCALL
#if (defined(__WIN32__) || defined(__WINRT__)) && !defined(__GNUC__)
#define SDLCALL __cdecl
#elif defined(__OS2__) || defined(__EMX__)
#define SDLCALL _System
# if defined (__GNUC__) && !defined(_System)
# define _System /* for old EMX/GCC compat. */
# endif
#else
#define SDLCALL
#endif
#endif /* SDLCALL */
/* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
#ifdef __SYMBIAN32__
#undef DECLSPEC
#define DECLSPEC
#endif /* __SYMBIAN32__ */
/* Force structure packing at 4 byte alignment.
This is necessary if the header is included in code which has structure
packing set to an alternate value, say for loading structures from disk.
The packing is reset to the previous value in close_code.h
*/
#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
#ifdef _MSC_VER
#pragma warning(disable: 4103)
#endif
#ifdef __clang__
#pragma clang diagnostic ignored "-Wpragma-pack"
#endif
#ifdef __BORLANDC__
#pragma nopackwarning
#endif
#ifdef _M_X64
/* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */
#pragma pack(push,8)
#else
#pragma pack(push,4)
#endif
#endif /* Compiler needs structure packing set */
#ifndef SDL_INLINE
#if defined(__GNUC__)
#define SDL_INLINE __inline__
#elif defined(_MSC_VER) || defined(__BORLANDC__) || \
defined(__DMC__) || defined(__SC__) || \
defined(__WATCOMC__) || defined(__LCC__) || \
defined(__DECC) || defined(__CC_ARM)
#define SDL_INLINE __inline
#ifndef __inline__
#define __inline__ __inline
#endif
#else
#define SDL_INLINE inline
#ifndef __inline__
#define __inline__ inline
#endif
#endif
#endif /* SDL_INLINE not defined */
#ifndef SDL_FORCE_INLINE
#if defined(_MSC_VER)
#define SDL_FORCE_INLINE __forceinline
#elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) )
#define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__
#else
#define SDL_FORCE_INLINE static SDL_INLINE
#endif
#endif /* SDL_FORCE_INLINE not defined */
#ifndef SDL_NORETURN
#if defined(__GNUC__)
#define SDL_NORETURN __attribute__((noreturn))
#elif defined(_MSC_VER)
#define SDL_NORETURN __declspec(noreturn)
#else
#define SDL_NORETURN
#endif
#endif /* SDL_NORETURN not defined */
/* Apparently this is needed by several Windows compilers */
#if !defined(__MACH__)
#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void *)0)
#endif
#endif /* NULL */
#endif /* ! Mac OS X - breaks precompiled headers */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file close_code.h
*
* This file reverses the effects of begin_code.h and should be included
* after you finish any function and structure declarations in your headers
*/
#ifndef _begin_code_h
#error close_code.h included without matching begin_code.h
#endif
#undef _begin_code_h
/* Reset structure packing at previous byte alignment */
#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
#ifdef __BORLANDC__
#pragma nopackwarning
#endif
#pragma pack(pop)
#endif /* Compiler needs structure packing set */
# sdl2 cmake project-config input for ./configure scripts
set(prefix "/opt/local/i686-w64-mingw32")
set(exec_prefix "${prefix}")
set(libdir "${exec_prefix}/lib")
set(SDL2_PREFIX "/opt/local/i686-w64-mingw32")
set(SDL2_EXEC_PREFIX "/opt/local/i686-w64-mingw32")
set(SDL2_LIBDIR "${exec_prefix}/lib")
set(SDL2_INCLUDE_DIRS "${prefix}/include/SDL2")
set(SDL2_LIBRARIES "-L${SDL2_LIBDIR} -lmingw32 -lSDL2main -lSDL2 -mwindows")
string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES)
File added
File added
# libSDL2.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.2
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname='../bin/SDL2.dll'
# Names of this library.
library_names='libSDL2.dll.a'
# The name of the static archive.
old_library='libSDL2.a'
# Linker flags that can not go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=' -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid'
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libSDL2.
current=10
age=10
revision=0
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/Users/valve/release/SDL/SDL2-2.0.10/i686-w64-mingw32/lib'
File added
# libSDL2_test.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.2
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname=''
# Names of this library.
library_names=''
# The name of the static archive.
old_library='libSDL2_test.a'
# Linker flags that can not go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=''
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libSDL2_test.
current=0
age=0
revision=0
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/Users/valve/release/SDL/SDL2-2.0.10/i686-w64-mingw32/lib'
File added
# libSDL2main.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.2
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname=''
# Names of this library.
library_names=''
# The name of the static archive.
old_library='libSDL2main.a'
# Linker flags that can not go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=''
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libSDL2main.
current=0
age=0
revision=0
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/Users/valve/release/SDL/SDL2-2.0.10/i686-w64-mingw32/lib'
# sdl pkg-config source file
prefix=/opt/local/i686-w64-mingw32
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: sdl2
Description: Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
Version: 2.0.10
Requires:
Conflicts:
Libs: -L${libdir} -lmingw32 -lSDL2main -lSDL2 -mwindows
Libs.private: -lmingw32 -lSDL2main -lSDL2 -mwindows -Wl,--no-undefined -Wl,--dynamicbase -Wl,--nxcompat -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
Cflags: -I${includedir}/SDL2 -Dmain=SDL_main
# Configure paths for SDL
# Sam Lantinga 9/21/99
# stolen from Manish Singh
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
#
# Changelog:
# * also look for SDL2.framework under Mac OS X
# serial 1
dnl AM_PATH_SDL2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
dnl
AC_DEFUN([AM_PATH_SDL2],
[dnl
dnl Get the cflags and libraries from the sdl2-config script
dnl
AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
sdl_prefix="$withval", sdl_prefix="")
AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
sdl_exec_prefix="$withval", sdl_exec_prefix="")
AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
, enable_sdltest=yes)
AC_ARG_ENABLE(sdlframework, [ --disable-sdlframework Do not search for SDL2.framework],
, search_sdl_framework=yes)
AC_ARG_VAR(SDL2_FRAMEWORK, [Path to SDL2.framework])
min_sdl_version=ifelse([$1], ,2.0.0,$1)
if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
PKG_CHECK_MODULES([SDL], [sdl2 >= $min_sdl_version],
[sdl_pc=yes],
[sdl_pc=no])
else
sdl_pc=no
if test x$sdl_exec_prefix != x ; then
sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
if test x${SDL2_CONFIG+set} != xset ; then
SDL2_CONFIG=$sdl_exec_prefix/bin/sdl2-config
fi
fi
if test x$sdl_prefix != x ; then
sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
if test x${SDL2_CONFIG+set} != xset ; then
SDL2_CONFIG=$sdl_prefix/bin/sdl2-config
fi
fi
fi
if test "x$sdl_pc" = xyes ; then
no_sdl=""
SDL2_CONFIG="pkg-config sdl2"
else
as_save_PATH="$PATH"
if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
PATH="$prefix/bin:$prefix/usr/bin:$PATH"
fi
AC_PATH_PROG(SDL2_CONFIG, sdl2-config, no, [$PATH])
PATH="$as_save_PATH"
no_sdl=""
if test "$SDL2_CONFIG" = "no" -a "x$search_sdl_framework" = "xyes"; then
AC_MSG_CHECKING(for SDL2.framework)
if test "x$SDL2_FRAMEWORK" != x; then
sdl_framework=$SDL2_FRAMEWORK
else
for d in / ~/ /System/; do
if test -d "$dLibrary/Frameworks/SDL2.framework"; then
sdl_framework="$dLibrary/Frameworks/SDL2.framework"
fi
done
fi
if test x"$sdl_framework" != x && test -d "$sdl_framework"; then
AC_MSG_RESULT($sdl_framework)
sdl_framework_dir=`dirname $sdl_framework`
SDL_CFLAGS="-F$sdl_framework_dir -Wl,-framework,SDL2 -I$sdl_framework/include"
SDL_LIBS="-F$sdl_framework_dir -Wl,-framework,SDL2"
else
no_sdl=yes
fi
fi
if test "$SDL2_CONFIG" != "no"; then
if test "x$sdl_pc" = "xno"; then
AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
SDL_CFLAGS=`$SDL2_CONFIG $sdl_config_args --cflags`
SDL_LIBS=`$SDL2_CONFIG $sdl_config_args --libs`
fi
sdl_major_version=`$SDL2_CONFIG $sdl_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
sdl_minor_version=`$SDL2_CONFIG $sdl_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
sdl_micro_version=`$SDL2_CONFIG $sdl_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_sdltest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_CXXFLAGS="$CXXFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $SDL_CFLAGS"
CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"
dnl
dnl Now check if the installed SDL is sufficiently new. (Also sanity
dnl checks the results of sdl2-config to some extent
dnl
rm -f conf.sdltest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL.h"
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main (int argc, char *argv[])
{
int major, minor, micro;
char *tmp_version;
/* This hangs on some systems (?)
system ("touch conf.sdltest");
*/
{ FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_sdl_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
printf("%s, bad version string\n", "$min_sdl_version");
exit(1);
}
if (($sdl_major_version > major) ||
(($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
(($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'sdl2-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
printf("*** of SDL required is %d.%d.%d. If sdl2-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If sdl2-config was wrong, set the environment variable SDL2_CONFIG\n");
printf("*** to point to the correct copy of sdl2-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$sdl_pc" = "xno"; then
if test "x$no_sdl" = "xyes"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
fi
fi
fi
fi
if test "x$no_sdl" = x ; then
ifelse([$2], , :, [$2])
else
if test "$SDL2_CONFIG" = "no" ; then
echo "*** The sdl2-config script installed by SDL could not be found"
echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the SDL2_CONFIG environment variable to the"
echo "*** full path to sdl2-config."
else
if test -f conf.sdltest ; then
:
else
echo "*** Could not run SDL test program, checking why..."
CFLAGS="$CFLAGS $SDL_CFLAGS"
CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include "SDL.h"
int main(int argc, char *argv[])
{ return 0; }
#undef main
#define main K_and_R_C_main
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding SDL or finding the wrong"
echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means SDL was incorrectly installed"
echo "*** or that you have moved SDL since it was installed. In the latter case, you"
echo "*** may want to edit the sdl2-config script: $SDL2_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
SDL_CFLAGS=""
SDL_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(SDL_CFLAGS)
AC_SUBST(SDL_LIBS)
rm -f conf.sdltest
])
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL.h
*
* Main include header for the SDL library
*/
#ifndef SDL_h_
#define SDL_h_
#include "SDL_main.h"
#include "SDL_stdinc.h"
#include "SDL_assert.h"
#include "SDL_atomic.h"
#include "SDL_audio.h"
#include "SDL_clipboard.h"
#include "SDL_cpuinfo.h"
#include "SDL_endian.h"
#include "SDL_error.h"
#include "SDL_events.h"
#include "SDL_filesystem.h"
#include "SDL_gamecontroller.h"
#include "SDL_haptic.h"
#include "SDL_hints.h"
#include "SDL_joystick.h"
#include "SDL_loadso.h"
#include "SDL_log.h"
#include "SDL_messagebox.h"
#include "SDL_mutex.h"
#include "SDL_power.h"
#include "SDL_render.h"
#include "SDL_rwops.h"
#include "SDL_sensor.h"
#include "SDL_shape.h"
#include "SDL_system.h"
#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_version.h"
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* As of version 0.5, SDL is loaded dynamically into the application */
/**
* \name SDL_INIT_*
*
* These are the flags which may be passed to SDL_Init(). You should
* specify the subsystems which you will be using in your application.
*/
/* @{ */
#define SDL_INIT_TIMER 0x00000001u
#define SDL_INIT_AUDIO 0x00000010u
#define SDL_INIT_VIDEO 0x00000020u /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
#define SDL_INIT_JOYSTICK 0x00000200u /**< SDL_INIT_JOYSTICK implies SDL_INIT_EVENTS */
#define SDL_INIT_HAPTIC 0x00001000u
#define SDL_INIT_GAMECONTROLLER 0x00002000u /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
#define SDL_INIT_EVENTS 0x00004000u
#define SDL_INIT_SENSOR 0x00008000u
#define SDL_INIT_NOPARACHUTE 0x00100000u /**< compatibility; this flag is ignored. */
#define SDL_INIT_EVERYTHING ( \
SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
)
/* @} */
/**
* This function initializes the subsystems specified by \c flags
*/
extern DECLSPEC int SDLCALL SDL_Init(Uint32 flags);
/**
* This function initializes specific SDL subsystems
*
* Subsystem initialization is ref-counted, you must call
* SDL_QuitSubSystem() for each SDL_InitSubSystem() to correctly
* shutdown a subsystem manually (or call SDL_Quit() to force shutdown).
* If a subsystem is already loaded then this call will
* increase the ref-count and return.
*/
extern DECLSPEC int SDLCALL SDL_InitSubSystem(Uint32 flags);
/**
* This function cleans up specific SDL subsystems
*/
extern DECLSPEC void SDLCALL SDL_QuitSubSystem(Uint32 flags);
/**
* This function returns a mask of the specified subsystems which have
* previously been initialized.
*
* If \c flags is 0, it returns a mask of all initialized subsystems.
*/
extern DECLSPEC Uint32 SDLCALL SDL_WasInit(Uint32 flags);
/**
* This function cleans up all initialized subsystems. You should
* call it upon all exit conditions.
*/
extern DECLSPEC void SDLCALL SDL_Quit(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_assert_h_
#define SDL_assert_h_
#include "SDL_config.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef SDL_ASSERT_LEVEL
#ifdef SDL_DEFAULT_ASSERT_LEVEL
#define SDL_ASSERT_LEVEL SDL_DEFAULT_ASSERT_LEVEL
#elif defined(_DEBUG) || defined(DEBUG) || \
(defined(__GNUC__) && !defined(__OPTIMIZE__))
#define SDL_ASSERT_LEVEL 2
#else
#define SDL_ASSERT_LEVEL 1
#endif
#endif /* SDL_ASSERT_LEVEL */
/*
These are macros and not first class functions so that the debugger breaks
on the assertion line and not in some random guts of SDL, and so each
assert can have unique static variables associated with it.
*/
#if defined(_MSC_VER)
/* Don't include intrin.h here because it contains C++ code */
extern void __cdecl __debugbreak(void);
#define SDL_TriggerBreakpoint() __debugbreak()
#elif ( (!defined(__NACL__)) && ((defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))) )
#define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
#elif defined(__386__) && defined(__WATCOMC__)
#define SDL_TriggerBreakpoint() { _asm { int 0x03 } }
#elif defined(HAVE_SIGNAL_H) && !defined(__WATCOMC__)
#include <signal.h>
#define SDL_TriggerBreakpoint() raise(SIGTRAP)
#else
/* How do we trigger breakpoints on this platform? */
#define SDL_TriggerBreakpoint()
#endif
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 supports __func__ as a standard. */
# define SDL_FUNCTION __func__
#elif ((__GNUC__ >= 2) || defined(_MSC_VER) || defined (__WATCOMC__))
# define SDL_FUNCTION __FUNCTION__
#else
# define SDL_FUNCTION "???"
#endif
#define SDL_FILE __FILE__
#define SDL_LINE __LINE__
/*
sizeof (x) makes the compiler still parse the expression even without
assertions enabled, so the code is always checked at compile time, but
doesn't actually generate code for it, so there are no side effects or
expensive checks at run time, just the constant size of what x WOULD be,
which presumably gets optimized out as unused.
This also solves the problem of...
int somevalue = blah();
SDL_assert(somevalue == 1);
...which would cause compiles to complain that somevalue is unused if we
disable assertions.
*/
/* "while (0,0)" fools Microsoft's compiler's /W4 warning level into thinking
this condition isn't constant. And looks like an owl's face! */
#ifdef _MSC_VER /* stupid /W4 warnings. */
#define SDL_NULL_WHILE_LOOP_CONDITION (0,0)
#else
#define SDL_NULL_WHILE_LOOP_CONDITION (0)
#endif
#define SDL_disabled_assert(condition) \
do { (void) sizeof ((condition)); } while (SDL_NULL_WHILE_LOOP_CONDITION)
typedef enum
{
SDL_ASSERTION_RETRY, /**< Retry the assert immediately. */
SDL_ASSERTION_BREAK, /**< Make the debugger trigger a breakpoint. */
SDL_ASSERTION_ABORT, /**< Terminate the program. */
SDL_ASSERTION_IGNORE, /**< Ignore the assert. */
SDL_ASSERTION_ALWAYS_IGNORE /**< Ignore the assert from now on. */
} SDL_AssertState;
typedef struct SDL_AssertData
{
int always_ignore;
unsigned int trigger_count;
const char *condition;
const char *filename;
int linenum;
const char *function;
const struct SDL_AssertData *next;
} SDL_AssertData;
#if (SDL_ASSERT_LEVEL > 0)
/* Never call this directly. Use the SDL_assert* macros. */
extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *,
const char *,
const char *, int)
#if defined(__clang__)
#if __has_feature(attribute_analyzer_noreturn)
/* this tells Clang's static analysis that we're a custom assert function,
and that the analyzer should assume the condition was always true past this
SDL_assert test. */
__attribute__((analyzer_noreturn))
#endif
#endif
;
/* the do {} while(0) avoids dangling else problems:
if (x) SDL_assert(y); else blah();
... without the do/while, the "else" could attach to this macro's "if".
We try to handle just the minimum we need here in a macro...the loop,
the static vars, and break points. The heavy lifting is handled in
SDL_ReportAssertion(), in SDL_assert.c.
*/
#define SDL_enabled_assert(condition) \
do { \
while ( !(condition) ) { \
static struct SDL_AssertData sdl_assert_data = { \
0, 0, #condition, 0, 0, 0, 0 \
}; \
const SDL_AssertState sdl_assert_state = SDL_ReportAssertion(&sdl_assert_data, SDL_FUNCTION, SDL_FILE, SDL_LINE); \
if (sdl_assert_state == SDL_ASSERTION_RETRY) { \
continue; /* go again. */ \
} else if (sdl_assert_state == SDL_ASSERTION_BREAK) { \
SDL_TriggerBreakpoint(); \
} \
break; /* not retrying. */ \
} \
} while (SDL_NULL_WHILE_LOOP_CONDITION)
#endif /* enabled assertions support code */
/* Enable various levels of assertions. */
#if SDL_ASSERT_LEVEL == 0 /* assertions disabled */
# define SDL_assert(condition) SDL_disabled_assert(condition)
# define SDL_assert_release(condition) SDL_disabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 1 /* release settings. */
# define SDL_assert(condition) SDL_disabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 2 /* normal settings. */
# define SDL_assert(condition) SDL_enabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 3 /* paranoid settings. */
# define SDL_assert(condition) SDL_enabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_enabled_assert(condition)
#else
# error Unknown assertion level.
#endif
/* this assertion is never disabled at any level. */
#define SDL_assert_always(condition) SDL_enabled_assert(condition)
typedef SDL_AssertState (SDLCALL *SDL_AssertionHandler)(
const SDL_AssertData* data, void* userdata);
/**
* \brief Set an application-defined assertion handler.
*
* This allows an app to show its own assertion UI and/or force the
* response to an assertion failure. If the app doesn't provide this, SDL
* will try to do the right thing, popping up a system-specific GUI dialog,
* and probably minimizing any fullscreen windows.
*
* This callback may fire from any thread, but it runs wrapped in a mutex, so
* it will only fire from one thread at a time.
*
* Setting the callback to NULL restores SDL's original internal handler.
*
* This callback is NOT reset to SDL's internal handler upon SDL_Quit()!
*
* Return SDL_AssertState value of how to handle the assertion failure.
*
* \param handler Callback function, called when an assertion fails.
* \param userdata A pointer passed to the callback as-is.
*/
extern DECLSPEC void SDLCALL SDL_SetAssertionHandler(
SDL_AssertionHandler handler,
void *userdata);
/**
* \brief Get the default assertion handler.
*
* This returns the function pointer that is called by default when an
* assertion is triggered. This is an internal function provided by SDL,
* that is used for assertions when SDL_SetAssertionHandler() hasn't been
* used to provide a different function.
*
* \return The default SDL_AssertionHandler that is called when an assert triggers.
*/
extern DECLSPEC SDL_AssertionHandler SDLCALL SDL_GetDefaultAssertionHandler(void);
/**
* \brief Get the current assertion handler.
*
* This returns the function pointer that is called when an assertion is
* triggered. This is either the value last passed to
* SDL_SetAssertionHandler(), or if no application-specified function is
* set, is equivalent to calling SDL_GetDefaultAssertionHandler().
*
* \param puserdata Pointer to a void*, which will store the "userdata"
* pointer that was passed to SDL_SetAssertionHandler().
* This value will always be NULL for the default handler.
* If you don't care about this data, it is safe to pass
* a NULL pointer to this function to ignore it.
* \return The SDL_AssertionHandler that is called when an assert triggers.
*/
extern DECLSPEC SDL_AssertionHandler SDLCALL SDL_GetAssertionHandler(void **puserdata);
/**
* \brief Get a list of all assertion failures.
*
* Get all assertions triggered since last call to SDL_ResetAssertionReport(),
* or the start of the program.
*
* The proper way to examine this data looks something like this:
*
* <code>
* const SDL_AssertData *item = SDL_GetAssertionReport();
* while (item) {
* printf("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\\n",
* item->condition, item->function, item->filename,
* item->linenum, item->trigger_count,
* item->always_ignore ? "yes" : "no");
* item = item->next;
* }
* </code>
*
* \return List of all assertions.
* \sa SDL_ResetAssertionReport
*/
extern DECLSPEC const SDL_AssertData * SDLCALL SDL_GetAssertionReport(void);
/**
* \brief Reset the list of all assertion failures.
*
* Reset list of all assertions triggered.
*
* \sa SDL_GetAssertionReport
*/
extern DECLSPEC void SDLCALL SDL_ResetAssertionReport(void);
/* these had wrong naming conventions until 2.0.4. Please update your app! */
#define SDL_assert_state SDL_AssertState
#define SDL_assert_data SDL_AssertData
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_assert_h_ */
/* vi: set ts=4 sw=4 expandtab: */