Commit 7c71f38c authored by Rustom Jehangir's avatar Rustom Jehangir
Browse files

SDL2: Add SDL2 Mac development files.

parent 51edd95b
Versions/Current/Headers
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Versions/Current/Resources
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Versions/Current/SDL2
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_joystick.h"
#include "SDL_gamecontroller.h"
#include "SDL_haptic.h"
#include "SDL_hints.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_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 0x00000001
#define SDL_INIT_AUDIO 0x00000010
#define SDL_INIT_VIDEO 0x00000020 /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
#define SDL_INIT_JOYSTICK 0x00000200 /**< SDL_INIT_JOYSTICK implies SDL_INIT_EVENTS */
#define SDL_INIT_HAPTIC 0x00001000
#define SDL_INIT_GAMECONTROLLER 0x00002000 /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
#define SDL_INIT_EVENTS 0x00004000
#define SDL_INIT_NOPARACHUTE 0x00100000 /**< 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 \
)
/* @} */
/**
* 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) 1997-2016 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(__i386__) || defined(__x86_64__)))
#define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
#elif defined(HAVE_SIGNAL_H)
#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))
# 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: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_atomic.h
*
* Atomic operations.
*
* IMPORTANT:
* If you are not an expert in concurrent lockless programming, you should
* only be using the atomic lock and reference counting functions in this
* file. In all other cases you should be protecting your data structures
* with full mutexes.
*
* The list of "safe" functions to use are:
* SDL_AtomicLock()
* SDL_AtomicUnlock()
* SDL_AtomicIncRef()
* SDL_AtomicDecRef()
*
* Seriously, here be dragons!
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^
*
* You can find out a little more about lockless programming and the
* subtle issues that can arise here:
* http://msdn.microsoft.com/en-us/library/ee418650%28v=vs.85%29.aspx
*
* There's also lots of good information here:
* http://www.1024cores.net/home/lock-free-algorithms
* http://preshing.com/
*
* These operations may or may not actually be implemented using
* processor specific atomic operations. When possible they are
* implemented as true processor specific atomic operations. When that
* is not possible the are implemented using locks that *do* use the
* available atomic operations.
*
* All of the atomic operations that modify memory are full memory barriers.
*/
#ifndef _SDL_atomic_h_
#define _SDL_atomic_h_
#include "SDL_stdinc.h"
#include "SDL_platform.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name SDL AtomicLock
*
* The atomic locks are efficient spinlocks using CPU instructions,
* but are vulnerable to starvation and can spin forever if a thread
* holding a lock has been terminated. For this reason you should
* minimize the code executed inside an atomic lock and never do
* expensive things like API or system calls while holding them.
*
* The atomic locks are not safe to lock recursively.
*
* Porting Note:
* The spin lock functions and type are required and can not be
* emulated because they are used in the atomic emulation code.
*/
/* @{ */
typedef int SDL_SpinLock;
/**
* \brief Try to lock a spin lock by setting it to a non-zero value.
*
* \param lock Points to the lock.
*
* \return SDL_TRUE if the lock succeeded, SDL_FALSE if the lock is already held.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTryLock(SDL_SpinLock *lock);
/**
* \brief Lock a spin lock by setting it to a non-zero value.
*
* \param lock Points to the lock.
*/
extern DECLSPEC void SDLCALL SDL_AtomicLock(SDL_SpinLock *lock);
/**
* \brief Unlock a spin lock by setting it to 0. Always returns immediately
*
* \param lock Points to the lock.
*/
extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
/* @} *//* SDL AtomicLock */
/**
* The compiler barrier prevents the compiler from reordering
* reads and writes to globally visible variables across the call.
*/
#if defined(_MSC_VER) && (_MSC_VER > 1200)
void _ReadWriteBarrier(void);
#pragma intrinsic(_ReadWriteBarrier)
#define SDL_CompilerBarrier() _ReadWriteBarrier()
#elif (defined(__GNUC__) && !defined(__EMSCRIPTEN__)) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
/* This is correct for all CPUs when using GCC or Solaris Studio 12.1+. */
#define SDL_CompilerBarrier() __asm__ __volatile__ ("" : : : "memory")
#else
#define SDL_CompilerBarrier() \
{ SDL_SpinLock _tmp = 0; SDL_AtomicLock(&_tmp); SDL_AtomicUnlock(&_tmp); }
#endif
/**
* Memory barriers are designed to prevent reads and writes from being
* reordered by the compiler and being seen out of order on multi-core CPUs.
*
* A typical pattern would be for thread A to write some data and a flag,
* and for thread B to read the flag and get the data. In this case you
* would insert a release barrier between writing the data and the flag,
* guaranteeing that the data write completes no later than the flag is
* written, and you would insert an acquire barrier between reading the
* flag and reading the data, to ensure that all the reads associated
* with the flag have completed.
*
* In this pattern you should always see a release barrier paired with
* an acquire barrier and you should gate the data reads/writes with a
* single flag variable.
*
* For more information on these semantics, take a look at the blog post:
* http://preshing.com/20120913/acquire-and-release-semantics
*/
#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("lwsync" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("lwsync" : : : "memory")
#elif defined(__GNUC__) && defined(__arm__)
#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#ifdef __thumb__
/* The mcr instruction isn't available in thumb mode, use real functions */
extern DECLSPEC void SDLCALL SDL_MemoryBarrierRelease();
extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquire();
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")
#endif /* __thumb__ */
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("" : : : "memory")
#endif /* __GNUC__ && __arm__ */
#else
#if (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
/* This is correct for all CPUs on Solaris when using Solaris Studio 12.1+. */
#include <mbarrier.h>
#define SDL_MemoryBarrierRelease() __machine_rel_barrier()
#define SDL_MemoryBarrierAcquire() __machine_acq_barrier()
#else
/* This is correct for the x86 and x64 CPUs, and we'll expand this over time. */
#define SDL_MemoryBarrierRelease() SDL_CompilerBarrier()
#define SDL_MemoryBarrierAcquire() SDL_CompilerBarrier()
#endif
#endif
/**
* \brief A type representing an atomic integer value. It is a struct
* so people don't accidentally use numeric operations on it.
*/
typedef struct { int value; } SDL_atomic_t;
/**
* \brief Set an atomic variable to a new value if it is currently an old value.
*
* \return SDL_TRUE if the atomic variable was set, SDL_FALSE otherwise.
*
* \note If you don't know what this function is for, you shouldn't use it!
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCAS(SDL_atomic_t *a, int oldval, int newval);
/**
* \brief Set an atomic variable to a value.
*
* \return The previous value of the atomic variable.
*/
extern DECLSPEC int SDLCALL SDL_AtomicSet(SDL_atomic_t *a, int v);
/**
* \brief Get the value of an atomic variable
*/
extern DECLSPEC int SDLCALL SDL_AtomicGet(SDL_atomic_t *a);
/**
* \brief Add to an atomic variable.
*
* \return The previous value of the atomic variable.
*
* \note This same style can be used for any number operation
*/
extern DECLSPEC int SDLCALL SDL_AtomicAdd(SDL_atomic_t *a, int v);
/**
* \brief Increment an atomic variable used as a reference count.
*/
#ifndef SDL_AtomicIncRef
#define SDL_AtomicIncRef(a) SDL_AtomicAdd(a, 1)
#endif
/**
* \brief Decrement an atomic variable used as a reference count.
*
* \return SDL_TRUE if the variable reached zero after decrementing,
* SDL_FALSE otherwise
*/
#ifndef SDL_AtomicDecRef
#define SDL_AtomicDecRef(a) (SDL_AtomicAdd(a, -1) == 1)
#endif
/**
* \brief Set a pointer to a new value if it is currently an old value.
*
* \return SDL_TRUE if the pointer was set, SDL_FALSE otherwise.
*
* \note If you don't know what this function is for, you shouldn't use it!
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr(void **a, void *oldval, void *newval);
/**
* \brief Set a pointer to a value atomically.
*
* \return The previous value of the pointer.
*/
extern DECLSPEC void* SDLCALL SDL_AtomicSetPtr(void **a, void* v);
/**
* \brief Get the value of a pointer atomically.
*/
extern DECLSPEC void* SDLCALL SDL_AtomicGetPtr(void **a);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_atomic_h_ */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_audio.h
*
* Access to the raw audio mixing buffer for the SDL library.
*/
#ifndef _SDL_audio_h
#define _SDL_audio_h
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_endian.h"
#include "SDL_mutex.h"
#include "SDL_thread.h"
#include "SDL_rwops.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Audio format flags.
*
* These are what the 16 bits in SDL_AudioFormat currently mean...
* (Unspecified bits are always zero).
*
* \verbatim
++-----------------------sample is signed if set
||
|| ++-----------sample is bigendian if set
|| ||
|| || ++---sample is float if set
|| || ||
|| || || +---sample bit size---+
|| || || | |
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
\endverbatim
*
* There are macros in SDL 2.0 and later to query these bits.
*/
typedef Uint16 SDL_AudioFormat;
/**
* \name Audio flags
*/
/* @{ */
#define SDL_AUDIO_MASK_BITSIZE (0xFF)
#define SDL_AUDIO_MASK_DATATYPE (1<<8)
#define SDL_AUDIO_MASK_ENDIAN (1<<12)
#define SDL_AUDIO_MASK_SIGNED (1<<15)
#define SDL_AUDIO_BITSIZE(x) (x & SDL_AUDIO_MASK_BITSIZE)
#define SDL_AUDIO_ISFLOAT(x) (x & SDL_AUDIO_MASK_DATATYPE)
#define SDL_AUDIO_ISBIGENDIAN(x) (x & SDL_AUDIO_MASK_ENDIAN)
#define SDL_AUDIO_ISSIGNED(x) (x & SDL_AUDIO_MASK_SIGNED)
#define SDL_AUDIO_ISINT(x) (!SDL_AUDIO_ISFLOAT(x))
#define SDL_AUDIO_ISLITTLEENDIAN(x) (!SDL_AUDIO_ISBIGENDIAN(x))
#define SDL_AUDIO_ISUNSIGNED(x) (!SDL_AUDIO_ISSIGNED(x))
/**
* \name Audio format flags
*
* Defaults to LSB byte order.
*/
/* @{ */
#define AUDIO_U8 0x0008 /**< Unsigned 8-bit samples */
#define AUDIO_S8 0x8008 /**< Signed 8-bit samples */
#define AUDIO_U16LSB 0x0010 /**< Unsigned 16-bit samples */
#define AUDIO_S16LSB 0x8010 /**< Signed 16-bit samples */
#define AUDIO_U16MSB 0x1010 /**< As above, but big-endian byte order */
#define AUDIO_S16MSB 0x9010 /**< As above, but big-endian byte order */
#define AUDIO_U16 AUDIO_U16LSB
#define AUDIO_S16 AUDIO_S16LSB
/* @} */
/**
* \name int32 support
*/
/* @{ */
#define AUDIO_S32LSB 0x8020 /**< 32-bit integer samples */
#define AUDIO_S32MSB 0x9020 /**< As above, but big-endian byte order */
#define AUDIO_S32 AUDIO_S32LSB
/* @} */
/**
* \name float32 support
*/
/* @{ */
#define AUDIO_F32LSB 0x8120 /**< 32-bit floating point samples */
#define AUDIO_F32MSB 0x9120 /**< As above, but big-endian byte order */
#define AUDIO_F32 AUDIO_F32LSB
/* @} */
/**
* \name Native audio byte ordering
*/
/* @{ */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define AUDIO_U16SYS AUDIO_U16LSB
#define AUDIO_S16SYS AUDIO_S16LSB
#define AUDIO_S32SYS AUDIO_S32LSB
#define AUDIO_F32SYS AUDIO_F32LSB
#else
#define AUDIO_U16SYS AUDIO_U16MSB
#define AUDIO_S16SYS AUDIO_S16MSB
#define AUDIO_S32SYS AUDIO_S32MSB
#define AUDIO_F32SYS AUDIO_F32MSB
#endif
/* @} */
/**
* \name Allow change flags
*
* Which audio format changes are allowed when opening a device.
*/
/* @{ */
#define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE 0x00000001
#define SDL_AUDIO_ALLOW_FORMAT_CHANGE 0x00000002
#define SDL_AUDIO_ALLOW_CHANNELS_CHANGE 0x00000004
#define SDL_AUDIO_ALLOW_ANY_CHANGE (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
/* @} */
/* @} *//* Audio flags */
/**
* This function is called when the audio device needs more data.
*
* \param userdata An application-specific parameter saved in
* the SDL_AudioSpec structure
* \param stream A pointer to the audio data buffer.
* \param len The length of that buffer in bytes.
*
* Once the callback returns, the buffer will no longer be valid.
* Stereo samples are stored in a LRLRLR ordering.
*
* You can choose to avoid callbacks and use SDL_QueueAudio() instead, if
* you like. Just open your audio device with a NULL callback.
*/
typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream,
int len);
/**
* The calculated values in this structure are calculated by SDL_OpenAudio().
*/
typedef struct SDL_AudioSpec
{
int freq; /**< DSP frequency -- samples per second */
SDL_AudioFormat format; /**< Audio data format */
Uint8 channels; /**< Number of channels: 1 mono, 2 stereo */
Uint8 silence; /**< Audio buffer silence value (calculated) */
Uint16 samples; /**< Audio buffer size in samples (power of 2) */
Uint16 padding; /**< Necessary for some compile environments */
Uint32 size; /**< Audio buffer size in bytes (calculated) */
SDL_AudioCallback callback; /**< Callback that feeds the audio device (NULL to use SDL_QueueAudio()). */
void *userdata; /**< Userdata passed to callback (ignored for NULL callbacks). */
} SDL_AudioSpec;
struct SDL_AudioCVT;
typedef void (SDLCALL * SDL_AudioFilter) (struct SDL_AudioCVT * cvt,
SDL_AudioFormat format);
/**
* A structure to hold a set of audio conversion filters and buffers.
*/
#ifdef __GNUC__
/* This structure is 84 bytes on 32-bit architectures, make sure GCC doesn't
pad it out to 88 bytes to guarantee ABI compatibility between compilers.
vvv
The next time we rev the ABI, make sure to size the ints and add padding.
*/
#define SDL_AUDIOCVT_PACKED __attribute__((packed))
#else
#define SDL_AUDIOCVT_PACKED
#endif
/* */
typedef struct SDL_AudioCVT
{
int needed; /**< Set to 1 if conversion possible */
SDL_AudioFormat src_format; /**< Source audio format */
SDL_AudioFormat dst_format; /**< Target audio format */
double rate_incr; /**< Rate conversion increment */
Uint8 *buf; /**< Buffer to hold entire audio data */
int len; /**< Length of original audio buffer */
int len_cvt; /**< Length of converted audio buffer */
int len_mult; /**< buffer must be len*len_mult big */
double len_ratio; /**< Given len, final size is len*len_ratio */
SDL_AudioFilter filters[10]; /**< Filter list */
int filter_index; /**< Current audio conversion function */
} SDL_AUDIOCVT_PACKED SDL_AudioCVT;
/* Function prototypes */
/**
* \name Driver discovery functions
*
* These functions return the list of built in audio drivers, in the
* order that they are normally initialized by default.
*/
/* @{ */
extern DECLSPEC int SDLCALL SDL_GetNumAudioDrivers(void);
extern DECLSPEC const char *SDLCALL SDL_GetAudioDriver(int index);
/* @} */
/**
* \name Initialization and cleanup
*
* \internal These functions are used internally, and should not be used unless
* you have a specific need to specify the audio driver you want to
* use. You should normally use SDL_Init() or SDL_InitSubSystem().
*/
/* @{ */
extern DECLSPEC int SDLCALL SDL_AudioInit(const char *driver_name);
extern DECLSPEC void SDLCALL SDL_AudioQuit(void);
/* @} */
/**
* This function returns the name of the current audio driver, or NULL
* if no driver has been initialized.
*/
extern DECLSPEC const char *SDLCALL SDL_GetCurrentAudioDriver(void);
/**
* This function opens the audio device with the desired parameters, and
* returns 0 if successful, placing the actual hardware parameters in the
* structure pointed to by \c obtained. If \c obtained is NULL, the audio
* data passed to the callback function will be guaranteed to be in the
* requested format, and will be automatically converted to the hardware
* audio format if necessary. This function returns -1 if it failed
* to open the audio device, or couldn't set up the audio thread.
*
* When filling in the desired audio spec structure,
* - \c desired->freq should be the desired audio frequency in samples-per-
* second.
* - \c desired->format should be the desired audio format.
* - \c desired->samples is the desired size of the audio buffer, in
* samples. This number should be a power of two, and may be adjusted by
* the audio driver to a value more suitable for the hardware. Good values
* seem to range between 512 and 8096 inclusive, depending on the
* application and CPU speed. Smaller values yield faster response time,
* but can lead to underflow if the application is doing heavy processing
* and cannot fill the audio buffer in time. A stereo sample consists of
* both right and left channels in LR ordering.
* Note that the number of samples is directly related to time by the
* following formula: \code ms = (samples*1000)/freq \endcode
* - \c desired->size is the size in bytes of the audio buffer, and is
* calculated by SDL_OpenAudio().
* - \c desired->silence is the value used to set the buffer to silence,
* and is calculated by SDL_OpenAudio().
* - \c desired->callback should be set to a function that will be called
* when the audio device is ready for more data. It is passed a pointer
* to the audio buffer, and the length in bytes of the audio buffer.
* This function usually runs in a separate thread, and so you should
* protect data structures that it accesses by calling SDL_LockAudio()
* and SDL_UnlockAudio() in your code. Alternately, you may pass a NULL
* pointer here, and call SDL_QueueAudio() with some frequency, to queue
* more audio samples to be played.
* - \c desired->userdata is passed as the first parameter to your callback
* function. If you passed a NULL callback, this value is ignored.
*
* The audio device starts out playing silence when it's opened, and should
* be enabled for playing by calling \c SDL_PauseAudio(0) when you are ready
* for your audio callback function to be called. Since the audio driver
* may modify the requested size of the audio buffer, you should allocate
* any local mixing buffers after you open the audio device.
*/
extern DECLSPEC int SDLCALL SDL_OpenAudio(SDL_AudioSpec * desired,
SDL_AudioSpec * obtained);
/**
* SDL Audio Device IDs.
*
* A successful call to SDL_OpenAudio() is always device id 1, and legacy
* SDL audio APIs assume you want this device ID. SDL_OpenAudioDevice() calls
* always returns devices >= 2 on success. The legacy calls are good both
* for backwards compatibility and when you don't care about multiple,
* specific, or capture devices.
*/
typedef Uint32 SDL_AudioDeviceID;
/**
* Get the number of available devices exposed by the current driver.
* Only valid after a successfully initializing the audio subsystem.
* Returns -1 if an explicit list of devices can't be determined; this is
* not an error. For example, if SDL is set up to talk to a remote audio
* server, it can't list every one available on the Internet, but it will
* still allow a specific host to be specified to SDL_OpenAudioDevice().
*
* In many common cases, when this function returns a value <= 0, it can still
* successfully open the default device (NULL for first argument of
* SDL_OpenAudioDevice()).
*/
extern DECLSPEC int SDLCALL SDL_GetNumAudioDevices(int iscapture);
/**
* Get the human-readable name of a specific audio device.
* Must be a value between 0 and (number of audio devices-1).
* Only valid after a successfully initializing the audio subsystem.
* The values returned by this function reflect the latest call to
* SDL_GetNumAudioDevices(); recall that function to redetect available
* hardware.
*
* The string returned by this function is UTF-8 encoded, read-only, and
* managed internally. You are not to free it. If you need to keep the
* string for any length of time, you should make your own copy of it, as it
* will be invalid next time any of several other SDL functions is called.
*/
extern DECLSPEC const char *SDLCALL SDL_GetAudioDeviceName(int index,
int iscapture);
/**
* Open a specific audio device. Passing in a device name of NULL requests
* the most reasonable default (and is equivalent to calling SDL_OpenAudio()).
*
* The device name is a UTF-8 string reported by SDL_GetAudioDeviceName(), but
* some drivers allow arbitrary and driver-specific strings, such as a
* hostname/IP address for a remote audio server, or a filename in the
* diskaudio driver.
*
* \return 0 on error, a valid device ID that is >= 2 on success.
*
* SDL_OpenAudio(), unlike this function, always acts on device ID 1.
*/
extern DECLSPEC SDL_AudioDeviceID SDLCALL SDL_OpenAudioDevice(const char
*device,
int iscapture,
const
SDL_AudioSpec *
desired,
SDL_AudioSpec *
obtained,
int
allowed_changes);
/**
* \name Audio state
*
* Get the current audio state.
*/
/* @{ */
typedef enum
{
SDL_AUDIO_STOPPED = 0,
SDL_AUDIO_PLAYING,
SDL_AUDIO_PAUSED
} SDL_AudioStatus;
extern DECLSPEC SDL_AudioStatus SDLCALL SDL_GetAudioStatus(void);
extern DECLSPEC SDL_AudioStatus SDLCALL
SDL_GetAudioDeviceStatus(SDL_AudioDeviceID dev);
/* @} *//* Audio State */
/**
* \name Pause audio functions
*
* These functions pause and unpause the audio callback processing.
* They should be called with a parameter of 0 after opening the audio
* device to start playing sound. This is so you can safely initialize
* data for your callback function after opening the audio device.
* Silence will be written to the audio device during the pause.
*/
/* @{ */
extern DECLSPEC void SDLCALL SDL_PauseAudio(int pause_on);
extern DECLSPEC void SDLCALL SDL_PauseAudioDevice(SDL_AudioDeviceID dev,
int pause_on);
/* @} *//* Pause audio functions */
/**
* This function loads a WAVE from the data source, automatically freeing
* that source if \c freesrc is non-zero. For example, to load a WAVE file,
* you could do:
* \code
* SDL_LoadWAV_RW(SDL_RWFromFile("sample.wav", "rb"), 1, ...);
* \endcode
*
* If this function succeeds, it returns the given SDL_AudioSpec,
* filled with the audio data format of the wave data, and sets
* \c *audio_buf to a malloc()'d buffer containing the audio data,
* and sets \c *audio_len to the length of that audio buffer, in bytes.
* You need to free the audio buffer with SDL_FreeWAV() when you are
* done with it.
*
* This function returns NULL and sets the SDL error message if the
* wave file cannot be opened, uses an unknown data format, or is
* corrupt. Currently raw and MS-ADPCM WAVE files are supported.
*/
extern DECLSPEC SDL_AudioSpec *SDLCALL SDL_LoadWAV_RW(SDL_RWops * src,
int freesrc,
SDL_AudioSpec * spec,
Uint8 ** audio_buf,
Uint32 * audio_len);
/**
* Loads a WAV from a file.
* Compatibility convenience function.
*/
#define SDL_LoadWAV(file, spec, audio_buf, audio_len) \
SDL_LoadWAV_RW(SDL_RWFromFile(file, "rb"),1, spec,audio_buf,audio_len)
/**
* This function frees data previously allocated with SDL_LoadWAV_RW()
*/
extern DECLSPEC void SDLCALL SDL_FreeWAV(Uint8 * audio_buf);
/**
* This function takes a source format and rate and a destination format
* and rate, and initializes the \c cvt structure with information needed
* by SDL_ConvertAudio() to convert a buffer of audio data from one format
* to the other.
*
* \return -1 if the format conversion is not supported, 0 if there's
* no conversion needed, or 1 if the audio filter is set up.
*/
extern DECLSPEC int SDLCALL SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
SDL_AudioFormat src_format,
Uint8 src_channels,
int src_rate,
SDL_AudioFormat dst_format,
Uint8 dst_channels,
int dst_rate);
/**
* Once you have initialized the \c cvt structure using SDL_BuildAudioCVT(),
* created an audio buffer \c cvt->buf, and filled it with \c cvt->len bytes of
* audio data in the source format, this function will convert it in-place
* to the desired format.
*
* The data conversion may expand the size of the audio data, so the buffer
* \c cvt->buf should be allocated after the \c cvt structure is initialized by
* SDL_BuildAudioCVT(), and should be \c cvt->len*cvt->len_mult bytes long.
*/
extern DECLSPEC int SDLCALL SDL_ConvertAudio(SDL_AudioCVT * cvt);
#define SDL_MIX_MAXVOLUME 128
/**
* This takes two audio buffers of the playing audio format and mixes
* them, performing addition, volume adjustment, and overflow clipping.
* The volume ranges from 0 - 128, and should be set to ::SDL_MIX_MAXVOLUME
* for full audio volume. Note this does not change hardware volume.
* This is provided for convenience -- you can mix your own audio data.
*/
extern DECLSPEC void SDLCALL SDL_MixAudio(Uint8 * dst, const Uint8 * src,
Uint32 len, int volume);
/**
* This works like SDL_MixAudio(), but you specify the audio format instead of
* using the format of audio device 1. Thus it can be used when no audio
* device is open at all.
*/
extern DECLSPEC void SDLCALL SDL_MixAudioFormat(Uint8 * dst,
const Uint8 * src,
SDL_AudioFormat format,
Uint32 len, int volume);
/**
* Queue more audio on non-callback devices.
*
* SDL offers two ways to feed audio to the device: you can either supply a
* callback that SDL triggers with some frequency to obtain more audio
* (pull method), or you can supply no callback, and then SDL will expect
* you to supply data at regular intervals (push method) with this function.
*
* There are no limits on the amount of data you can queue, short of
* exhaustion of address space. Queued data will drain to the device as
* necessary without further intervention from you. If the device needs
* audio but there is not enough queued, it will play silence to make up
* the difference. This means you will have skips in your audio playback
* if you aren't routinely queueing sufficient data.
*
* This function copies the supplied data, so you are safe to free it when
* the function returns. This function is thread-safe, but queueing to the
* same device from two threads at once does not promise which buffer will
* be queued first.
*
* You may not queue audio on a device that is using an application-supplied
* callback; doing so returns an error. You have to use the audio callback
* or queue audio with this function, but not both.
*
* You should not call SDL_LockAudio() on the device before queueing; SDL
* handles locking internally for this function.
*
* \param dev The device ID to which we will queue audio.
* \param data The data to queue to the device for later playback.
* \param len The number of bytes (not samples!) to which (data) points.
* \return zero on success, -1 on error.
*
* \sa SDL_GetQueuedAudioSize
* \sa SDL_ClearQueuedAudio
*/
extern DECLSPEC int SDLCALL SDL_QueueAudio(SDL_AudioDeviceID dev, const void *data, Uint32 len);
/**
* Get the number of bytes of still-queued audio.
*
* This is the number of bytes that have been queued for playback with
* SDL_QueueAudio(), but have not yet been sent to the hardware.
*
* Once we've sent it to the hardware, this function can not decide the exact
* byte boundary of what has been played. It's possible that we just gave the
* hardware several kilobytes right before you called this function, but it
* hasn't played any of it yet, or maybe half of it, etc.
*
* You may not queue audio on a device that is using an application-supplied
* callback; calling this function on such a device always returns 0.
* You have to use the audio callback or queue audio with SDL_QueueAudio(),
* but not both.
*
* You should not call SDL_LockAudio() on the device before querying; SDL
* handles locking internally for this function.
*
* \param dev The device ID of which we will query queued audio size.
* \return Number of bytes (not samples!) of queued audio.
*
* \sa SDL_QueueAudio
* \sa SDL_ClearQueuedAudio
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetQueuedAudioSize(SDL_AudioDeviceID dev);
/**
* Drop any queued audio data waiting to be sent to the hardware.
*
* Immediately after this call, SDL_GetQueuedAudioSize() will return 0 and
* the hardware will start playing silence if more audio isn't queued.
*
* This will not prevent playback of queued audio that's already been sent
* to the hardware, as we can not undo that, so expect there to be some
* fraction of a second of audio that might still be heard. This can be
* useful if you want to, say, drop any pending music during a level change
* in your game.
*
* You may not queue audio on a device that is using an application-supplied
* callback; calling this function on such a device is always a no-op.
* You have to use the audio callback or queue audio with SDL_QueueAudio(),
* but not both.
*
* You should not call SDL_LockAudio() on the device before clearing the
* queue; SDL handles locking internally for this function.
*
* This function always succeeds and thus returns void.
*
* \param dev The device ID of which to clear the audio queue.
*
* \sa SDL_QueueAudio
* \sa SDL_GetQueuedAudioSize
*/
extern DECLSPEC void SDLCALL SDL_ClearQueuedAudio(SDL_AudioDeviceID dev);
/**
* \name Audio lock functions
*
* The lock manipulated by these functions protects the callback function.
* During a SDL_LockAudio()/SDL_UnlockAudio() pair, you can be guaranteed that
* the callback function is not running. Do not call these from the callback
* function or you will cause deadlock.
*/
/* @{ */
extern DECLSPEC void SDLCALL SDL_LockAudio(void);
extern DECLSPEC void SDLCALL SDL_LockAudioDevice(SDL_AudioDeviceID dev);
extern DECLSPEC void SDLCALL SDL_UnlockAudio(void);
extern DECLSPEC void SDLCALL SDL_UnlockAudioDevice(SDL_AudioDeviceID dev);
/* @} *//* Audio lock functions */
/**
* This function shuts down audio processing and closes the audio device.
*/
extern DECLSPEC void SDLCALL SDL_CloseAudio(void);
extern DECLSPEC void SDLCALL SDL_CloseAudioDevice(SDL_AudioDeviceID dev);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_audio_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_bits.h
*
* Functions for fiddling with bits and bitmasks.
*/
#ifndef _SDL_bits_h
#define _SDL_bits_h
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_bits.h
*/
/**
* Get the index of the most significant bit. Result is undefined when called
* with 0. This operation can also be stated as "count leading zeroes" and
* "log base 2".
*
* \return Index of the most significant bit, or -1 if the value is 0.
*/
SDL_FORCE_INLINE int
SDL_MostSignificantBitIndex32(Uint32 x)
{
#if defined(__GNUC__) && __GNUC__ >= 4
/* Count Leading Zeroes builtin in GCC.
* http://gcc.gnu.org/onlinedocs/gcc-4.3.4/gcc/Other-Builtins.html
*/
if (x == 0) {
return -1;
}
return 31 - __builtin_clz(x);
#else
/* Based off of Bit Twiddling Hacks by Sean Eron Anderson
* <seander@cs.stanford.edu>, released in the public domain.
* http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog
*/
const Uint32 b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
const int S[] = {1, 2, 4, 8, 16};
int msbIndex = 0;
int i;
if (x == 0) {
return -1;
}
for (i = 4; i >= 0; i--)
{
if (x & b[i])
{
x >>= S[i];
msbIndex |= S[i];
}
}
return msbIndex;
#endif
}
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_bits_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_blendmode.h
*
* Header file declaring the SDL_BlendMode enumeration
*/
#ifndef _SDL_blendmode_h
#define _SDL_blendmode_h
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief The blend mode used in SDL_RenderCopy() and drawing operations.
*/
typedef enum
{
SDL_BLENDMODE_NONE = 0x00000000, /**< no blending
dstRGBA = srcRGBA */
SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending
dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
dstA = srcA + (dstA * (1-srcA)) */
SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending
dstRGB = (srcRGB * srcA) + dstRGB
dstA = dstA */
SDL_BLENDMODE_MOD = 0x00000004 /**< color modulate
dstRGB = srcRGB * dstRGB
dstA = dstA */
} SDL_BlendMode;
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_blendmode_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_clipboard.h
*
* Include file for SDL clipboard handling
*/
#ifndef _SDL_clipboard_h
#define _SDL_clipboard_h
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Function prototypes */
/**
* \brief Put UTF-8 text into the clipboard
*
* \sa SDL_GetClipboardText()
*/
extern DECLSPEC int SDLCALL SDL_SetClipboardText(const char *text);
/**
* \brief Get UTF-8 text from the clipboard, which must be freed with SDL_free()
*
* \sa SDL_SetClipboardText()
*/
extern DECLSPEC char * SDLCALL SDL_GetClipboardText(void);
/**
* \brief Returns a flag indicating whether the clipboard exists and contains a text string that is non-empty
*
* \sa SDL_GetClipboardText()
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasClipboardText(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_clipboard_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_config_h
#define _SDL_config_h
#include "SDL_platform.h"
/**
* \file SDL_config.h
*/
/* Add any platform that doesn't build using the configure system. */
#ifdef USING_PREMAKE_CONFIG_H
#include "SDL_config_premake.h"
#elif defined(__WIN32__)
#include "SDL_config_windows.h"
#elif defined(__WINRT__)
#include "SDL_config_winrt.h"
#elif defined(__MACOSX__)
#include "SDL_config_macosx.h"
#elif defined(__IPHONEOS__)
#include "SDL_config_iphoneos.h"
#elif defined(__ANDROID__)
#include "SDL_config_android.h"
#elif defined(__PSP__)
#include "SDL_config_psp.h"
#else
/* This is a minimal configuration just to get SDL running on new platforms */
#include "SDL_config_minimal.h"
#endif /* platform config */
#ifdef USING_GENERATED_CONFIG_H
#error Wrong SDL_config.h, check your include path?
#endif
#endif /* _SDL_config_h */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_config_macosx_h
#define _SDL_config_macosx_h
#include "SDL_platform.h"
/* This gets us MAC_OS_X_VERSION_MIN_REQUIRED... */
#include <AvailabilityMacros.h>
/* This is a set of defines to configure the SDL features */
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
/* Useful headers */
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1
#define HAVE_SYSCTLBYNAME 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_COREAUDIO 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_IOKIT 1
#define SDL_HAPTIC_IOKIT 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_DLOPEN 1
/* Enable various threading systems */
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1
/* Enable various timer systems */
#define SDL_TIMER_UNIX 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_COCOA 1
#define SDL_VIDEO_DRIVER_DUMMY 1
#undef SDL_VIDEO_DRIVER_X11
#define SDL_VIDEO_DRIVER_X11_DYNAMIC "/usr/X11R6/lib/libX11.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "/usr/X11R6/lib/libXext.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA "/usr/X11R6/lib/libXinerama.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "/usr/X11R6/lib/libXi.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "/usr/X11R6/lib/libXrandr.2.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "/usr/X11R6/lib/libXss.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE "/usr/X11R6/lib/libXxf86vm.1.dylib"
#define SDL_VIDEO_DRIVER_X11_XDBE 1
#define SDL_VIDEO_DRIVER_X11_XINERAMA 1
#define SDL_VIDEO_DRIVER_X11_XRANDR 1
#define SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1
#define SDL_VIDEO_DRIVER_X11_XSHAPE 1
#define SDL_VIDEO_DRIVER_X11_XVIDMODE 1
#define SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM 1
#ifdef MAC_OS_X_VERSION_10_8
/*
* No matter the versions targeted, this is the 10.8 or later SDK, so you have
* to use the external Xquartz, which is a more modern Xlib. Previous SDKs
* used an older Xlib.
*/
#define SDL_VIDEO_DRIVER_X11_XINPUT2 1
#define SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1
#define SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_CGL
#define SDL_VIDEO_OPENGL_CGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_GLX
#define SDL_VIDEO_OPENGL_GLX 1
#endif
/* Enable system power support */
#define SDL_POWER_MACOSX 1
/* enable filesystem support */
#define SDL_FILESYSTEM_COCOA 1
/* Enable assembly routines */
#define SDL_ASSEMBLY_ROUTINES 1
#ifdef __ppc__
#define SDL_ALTIVEC_BLITTERS 1
#endif
#endif /* _SDL_config_macosx_h */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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.
*/
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_cpuinfo.h
*
* CPU feature detection for SDL.
*/
#ifndef _SDL_cpuinfo_h
#define _SDL_cpuinfo_h
#include "SDL_stdinc.h"
/* Need to do this here because intrin.h has C++ code in it */
/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
#include <intrin.h>
#ifndef _WIN64
#define __MMX__
#define __3dNOW__
#endif
#define __SSE__
#define __SSE2__
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>
#else
#ifdef __ALTIVEC__
#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__)
#include <altivec.h>
#undef pixel
#endif
#endif
#ifdef __MMX__
#include <mmintrin.h>
#endif
#ifdef __3dNOW__
#include <mm3dnow.h>
#endif
#ifdef __SSE__
#include <xmmintrin.h>
#endif
#ifdef __SSE2__
#include <emmintrin.h>
#endif
#endif
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* This is a guess for the cacheline size used for padding.
* Most x86 processors have a 64 byte cache line.
* The 64-bit PowerPC processors have a 128 byte cache line.
* We'll use the larger value to be generally safe.
*/
#define SDL_CACHELINE_SIZE 128
/**
* This function returns the number of CPU cores available.
*/
extern DECLSPEC int SDLCALL SDL_GetCPUCount(void);
/**
* This function returns the L1 cache line size of the CPU
*
* This is useful for determining multi-threaded structure padding
* or SIMD prefetch sizes.
*/
extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void);
/**
* This function returns true if the CPU has the RDTSC instruction.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
/**
* This function returns true if the CPU has AltiVec features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
/**
* This function returns true if the CPU has MMX features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
/**
* This function returns true if the CPU has 3DNow! features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
/**
* This function returns true if the CPU has SSE features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
/**
* This function returns true if the CPU has SSE2 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
/**
* This function returns true if the CPU has SSE3 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void);
/**
* This function returns true if the CPU has SSE4.1 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void);
/**
* This function returns true if the CPU has SSE4.2 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void);
/**
* This function returns true if the CPU has AVX features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
/**
* This function returns true if the CPU has AVX2 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
/**
* This function returns the amount of RAM configured in the system, in MB.
*/
extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_cpuinfo_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_endian.h
*
* Functions for reading and writing endian-specific values
*/
#ifndef _SDL_endian_h
#define _SDL_endian_h
#include "SDL_stdinc.h"
/**
* \name The two types of endianness
*/
/* @{ */
#define SDL_LIL_ENDIAN 1234
#define SDL_BIG_ENDIAN 4321
/* @} */
#ifndef SDL_BYTEORDER /* Not defined in SDL_config.h? */
#ifdef __linux__
#include <endian.h>
#define SDL_BYTEORDER __BYTE_ORDER
#else /* __linux__ */
#if defined(__hppa__) || \
defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
(defined(__MIPS__) && defined(__MISPEB__)) || \
defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
defined(__sparc__)
#define SDL_BYTEORDER SDL_BIG_ENDIAN
#else
#define SDL_BYTEORDER SDL_LIL_ENDIAN
#endif
#endif /* __linux__ */
#endif /* !SDL_BYTEORDER */
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_endian.h
*/
#if defined(__GNUC__) && defined(__i386__) && \
!(__GNUC__ == 2 && __GNUC_MINOR__ == 95 /* broken gcc version */)
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("xchgb %b0,%h0": "=q"(x):"0"(x));
return x;
}
#elif defined(__GNUC__) && defined(__x86_64__)
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("xchgb %b0,%h0": "=Q"(x):"0"(x));
return x;
}
#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
int result;
__asm__("rlwimi %0,%2,8,16,23": "=&r"(result):"0"(x >> 8), "r"(x));
return (Uint16)result;
}
#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("rorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
#else
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
return SDL_static_cast(Uint16, ((x << 8) | (x >> 8)));
}
#endif
#if defined(__GNUC__) && defined(__i386__)
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("bswap %0": "=r"(x):"0"(x));
return x;
}
#elif defined(__GNUC__) && defined(__x86_64__)
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("bswapl %0": "=r"(x):"0"(x));
return x;
}
#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
Uint32 result;
__asm__("rlwimi %0,%2,24,16,23": "=&r"(result):"0"(x >> 24), "r"(x));
__asm__("rlwimi %0,%2,8,8,15": "=&r"(result):"0"(result), "r"(x));
__asm__("rlwimi %0,%2,24,0,7": "=&r"(result):"0"(result), "r"(x));
return result;
}
#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
#else
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
return SDL_static_cast(Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) |
((x >> 8) & 0x0000FF00) | (x >> 24)));
}
#endif
#if defined(__GNUC__) && defined(__i386__)
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
union
{
struct
{
Uint32 a, b;
} s;
Uint64 u;
} v;
v.u = x;
__asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1": "=r"(v.s.a), "=r"(v.s.b):"0"(v.s.a),
"1"(v.s.
b));
return v.u;
}
#elif defined(__GNUC__) && defined(__x86_64__)
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
__asm__("bswapq %0": "=r"(x):"0"(x));
return x;
}
#else
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
Uint32 hi, lo;
/* Separate into high and low 32-bit values and swap them */
lo = SDL_static_cast(Uint32, x & 0xFFFFFFFF);
x >>= 32;
hi = SDL_static_cast(Uint32, x & 0xFFFFFFFF);
x = SDL_Swap32(lo);
x <<= 32;
x |= SDL_Swap32(hi);
return (x);
}
#endif
SDL_FORCE_INLINE float
SDL_SwapFloat(float x)
{
union
{
float f;
Uint32 ui32;
} swapper;
swapper.f = x;
swapper.ui32 = SDL_Swap32(swapper.ui32);
return swapper.f;
}
/**
* \name Swap to native
* Byteswap item from the specified endianness to the native endianness.
*/
/* @{ */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SDL_SwapLE16(X) (X)
#define SDL_SwapLE32(X) (X)
#define SDL_SwapLE64(X) (X)
#define SDL_SwapFloatLE(X) (X)
#define SDL_SwapBE16(X) SDL_Swap16(X)
#define SDL_SwapBE32(X) SDL_Swap32(X)
#define SDL_SwapBE64(X) SDL_Swap64(X)
#define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
#else
#define SDL_SwapLE16(X) SDL_Swap16(X)
#define SDL_SwapLE32(X) SDL_Swap32(X)
#define SDL_SwapLE64(X) SDL_Swap64(X)
#define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
#define SDL_SwapBE16(X) (X)
#define SDL_SwapBE32(X) (X)
#define SDL_SwapBE64(X) (X)
#define SDL_SwapFloatBE(X) (X)
#endif
/* @} *//* Swap to native */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_endian_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_error.h
*
* Simple error message routines for SDL.
*/
#ifndef _SDL_error_h
#define _SDL_error_h
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Public functions */
/* SDL_SetError() unconditionally returns -1. */
extern DECLSPEC int SDLCALL SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1);
extern DECLSPEC const char *SDLCALL SDL_GetError(void);
extern DECLSPEC void SDLCALL SDL_ClearError(void);
/**
* \name Internal error functions
*
* \internal
* Private error reporting function - used internally.
*/
/* @{ */
#define SDL_OutOfMemory() SDL_Error(SDL_ENOMEM)
#define SDL_Unsupported() SDL_Error(SDL_UNSUPPORTED)
#define SDL_InvalidParamError(param) SDL_SetError("Parameter '%s' is invalid", (param))
typedef enum
{
SDL_ENOMEM,
SDL_EFREAD,
SDL_EFWRITE,
SDL_EFSEEK,
SDL_UNSUPPORTED,
SDL_LASTERROR
} SDL_errorcode;
/* SDL_Error() unconditionally returns -1. */
extern DECLSPEC int SDLCALL SDL_Error(SDL_errorcode code);
/* @} *//* Internal error functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_error_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_events.h
*
* Include file for SDL event handling.
*/
#ifndef _SDL_events_h
#define _SDL_events_h
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "SDL_keyboard.h"
#include "SDL_mouse.h"
#include "SDL_joystick.h"
#include "SDL_gamecontroller.h"
#include "SDL_quit.h"
#include "SDL_gesture.h"
#include "SDL_touch.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* General keyboard/mouse state definitions */
#define SDL_RELEASED 0
#define SDL_PRESSED 1
/**
* \brief The types of events that can be delivered.
*/
typedef enum
{
SDL_FIRSTEVENT = 0, /**< Unused (do not remove) */
/* Application events */
SDL_QUIT = 0x100, /**< User-requested quit */
/* These application events have special meaning on iOS, see README-ios.md for details */
SDL_APP_TERMINATING, /**< The application is being terminated by the OS
Called on iOS in applicationWillTerminate()
Called on Android in onDestroy()
*/
SDL_APP_LOWMEMORY, /**< The application is low on memory, free memory if possible.
Called on iOS in applicationDidReceiveMemoryWarning()
Called on Android in onLowMemory()
*/
SDL_APP_WILLENTERBACKGROUND, /**< The application is about to enter the background
Called on iOS in applicationWillResignActive()
Called on Android in onPause()
*/
SDL_APP_DIDENTERBACKGROUND, /**< The application did enter the background and may not get CPU for some time
Called on iOS in applicationDidEnterBackground()
Called on Android in onPause()
*/
SDL_APP_WILLENTERFOREGROUND, /**< The application is about to enter the foreground
Called on iOS in applicationWillEnterForeground()
Called on Android in onResume()
*/
SDL_APP_DIDENTERFOREGROUND, /**< The application is now interactive
Called on iOS in applicationDidBecomeActive()
Called on Android in onResume()
*/
/* Window events */
SDL_WINDOWEVENT = 0x200, /**< Window state change */
SDL_SYSWMEVENT, /**< System specific event */
/* Keyboard events */
SDL_KEYDOWN = 0x300, /**< Key pressed */
SDL_KEYUP, /**< Key released */
SDL_TEXTEDITING, /**< Keyboard text editing (composition) */
SDL_TEXTINPUT, /**< Keyboard text input */
SDL_KEYMAPCHANGED, /**< Keymap changed due to a system event such as an
input language or keyboard layout change.
*/
/* Mouse events */
SDL_MOUSEMOTION = 0x400, /**< Mouse moved */
SDL_MOUSEBUTTONDOWN, /**< Mouse button pressed */
SDL_MOUSEBUTTONUP, /**< Mouse button released */
SDL_MOUSEWHEEL, /**< Mouse wheel motion */
/* Joystick events */
SDL_JOYAXISMOTION = 0x600, /**< Joystick axis motion */
SDL_JOYBALLMOTION, /**< Joystick trackball motion */
SDL_JOYHATMOTION, /**< Joystick hat position change */
SDL_JOYBUTTONDOWN, /**< Joystick button pressed */
SDL_JOYBUTTONUP, /**< Joystick button released */
SDL_JOYDEVICEADDED, /**< A new joystick has been inserted into the system */
SDL_JOYDEVICEREMOVED, /**< An opened joystick has been removed */
/* Game controller events */
SDL_CONTROLLERAXISMOTION = 0x650, /**< Game controller axis motion */
SDL_CONTROLLERBUTTONDOWN, /**< Game controller button pressed */
SDL_CONTROLLERBUTTONUP, /**< Game controller button released */
SDL_CONTROLLERDEVICEADDED, /**< A new Game controller has been inserted into the system */
SDL_CONTROLLERDEVICEREMOVED, /**< An opened Game controller has been removed */
SDL_CONTROLLERDEVICEREMAPPED, /**< The controller mapping was updated */
/* Touch events */
SDL_FINGERDOWN = 0x700,
SDL_FINGERUP,
SDL_FINGERMOTION,
/* Gesture events */
SDL_DOLLARGESTURE = 0x800,
SDL_DOLLARRECORD,
SDL_MULTIGESTURE,
/* Clipboard events */
SDL_CLIPBOARDUPDATE = 0x900, /**< The clipboard changed */
/* Drag and drop events */
SDL_DROPFILE = 0x1000, /**< The system requests a file open */
/* Audio hotplug events */
SDL_AUDIODEVICEADDED = 0x1100, /**< A new audio device is available */
SDL_AUDIODEVICEREMOVED, /**< An audio device has been removed. */
/* Render events */
SDL_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */
SDL_RENDER_DEVICE_RESET, /**< The device has been reset and all textures need to be recreated */
/** Events ::SDL_USEREVENT through ::SDL_LASTEVENT are for your use,
* and should be allocated with SDL_RegisterEvents()
*/
SDL_USEREVENT = 0x8000,
/**
* This last event is only for bounding internal arrays
*/
SDL_LASTEVENT = 0xFFFF
} SDL_EventType;
/**
* \brief Fields shared by every event
*/
typedef struct SDL_CommonEvent
{
Uint32 type;
Uint32 timestamp;
} SDL_CommonEvent;
/**
* \brief Window state change event data (event.window.*)
*/
typedef struct SDL_WindowEvent
{
Uint32 type; /**< ::SDL_WINDOWEVENT */
Uint32 timestamp;
Uint32 windowID; /**< The associated window */
Uint8 event; /**< ::SDL_WindowEventID */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint32 data1; /**< event dependent data */
Sint32 data2; /**< event dependent data */
} SDL_WindowEvent;
/**
* \brief Keyboard button event structure (event.key.*)
*/
typedef struct SDL_KeyboardEvent
{
Uint32 type; /**< ::SDL_KEYDOWN or ::SDL_KEYUP */
Uint32 timestamp;
Uint32 windowID; /**< The window with keyboard focus, if any */
Uint8 state; /**< ::SDL_PRESSED or ::SDL_RELEASED */
Uint8 repeat; /**< Non-zero if this is a key repeat */
Uint8 padding2;
Uint8 padding3;
SDL_Keysym keysym; /**< The key that was pressed or released */
} SDL_KeyboardEvent;
#define SDL_TEXTEDITINGEVENT_TEXT_SIZE (32)
/**
* \brief Keyboard text editing event structure (event.edit.*)
*/
typedef struct SDL_TextEditingEvent
{
Uint32 type; /**< ::SDL_TEXTEDITING */
Uint32 timestamp;
Uint32 windowID; /**< The window with keyboard focus, if any */
char text[SDL_TEXTEDITINGEVENT_TEXT_SIZE]; /**< The editing text */
Sint32 start; /**< The start cursor of selected editing text */
Sint32 length; /**< The length of selected editing text */
} SDL_TextEditingEvent;
#define SDL_TEXTINPUTEVENT_TEXT_SIZE (32)
/**
* \brief Keyboard text input event structure (event.text.*)
*/
typedef struct SDL_TextInputEvent
{
Uint32 type; /**< ::SDL_TEXTINPUT */
Uint32 timestamp;
Uint32 windowID; /**< The window with keyboard focus, if any */
char text[SDL_TEXTINPUTEVENT_TEXT_SIZE]; /**< The input text */
} SDL_TextInputEvent;
/**
* \brief Mouse motion event structure (event.motion.*)
*/
typedef struct SDL_MouseMotionEvent
{
Uint32 type; /**< ::SDL_MOUSEMOTION */
Uint32 timestamp;
Uint32 windowID; /**< The window with mouse focus, if any */
Uint32 which; /**< The mouse instance id, or SDL_TOUCH_MOUSEID */
Uint32 state; /**< The current button state */
Sint32 x; /**< X coordinate, relative to window */
Sint32 y; /**< Y coordinate, relative to window */
Sint32 xrel; /**< The relative motion in the X direction */
Sint32 yrel; /**< The relative motion in the Y direction */
} SDL_MouseMotionEvent;
/**
* \brief Mouse button event structure (event.button.*)
*/
typedef struct SDL_MouseButtonEvent
{
Uint32 type; /**< ::SDL_MOUSEBUTTONDOWN or ::SDL_MOUSEBUTTONUP */
Uint32 timestamp;
Uint32 windowID; /**< The window with mouse focus, if any */
Uint32 which; /**< The mouse instance id, or SDL_TOUCH_MOUSEID */
Uint8 button; /**< The mouse button index */
Uint8 state; /**< ::SDL_PRESSED or ::SDL_RELEASED */
Uint8 clicks; /**< 1 for single-click, 2 for double-click, etc. */
Uint8 padding1;
Sint32 x; /**< X coordinate, relative to window */
Sint32 y; /**< Y coordinate, relative to window */
} SDL_MouseButtonEvent;
/**
* \brief Mouse wheel event structure (event.wheel.*)
*/
typedef struct SDL_MouseWheelEvent
{
Uint32 type; /**< ::SDL_MOUSEWHEEL */
Uint32 timestamp;
Uint32 windowID; /**< The window with mouse focus, if any */
Uint32 which; /**< The mouse instance id, or SDL_TOUCH_MOUSEID */
Sint32 x; /**< The amount scrolled horizontally, positive to the right and negative to the left */
Sint32 y; /**< The amount scrolled vertically, positive away from the user and negative toward the user */
Uint32 direction; /**< Set to one of the SDL_MOUSEWHEEL_* defines. When FLIPPED the values in X and Y will be opposite. Multiply by -1 to change them back */
} SDL_MouseWheelEvent;
/**
* \brief Joystick axis motion event structure (event.jaxis.*)
*/
typedef struct SDL_JoyAxisEvent
{
Uint32 type; /**< ::SDL_JOYAXISMOTION */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 axis; /**< The joystick axis index */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint16 value; /**< The axis value (range: -32768 to 32767) */
Uint16 padding4;
} SDL_JoyAxisEvent;
/**
* \brief Joystick trackball motion event structure (event.jball.*)
*/
typedef struct SDL_JoyBallEvent
{
Uint32 type; /**< ::SDL_JOYBALLMOTION */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 ball; /**< The joystick trackball index */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint16 xrel; /**< The relative motion in the X direction */
Sint16 yrel; /**< The relative motion in the Y direction */
} SDL_JoyBallEvent;
/**
* \brief Joystick hat position change event structure (event.jhat.*)
*/
typedef struct SDL_JoyHatEvent
{
Uint32 type; /**< ::SDL_JOYHATMOTION */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 hat; /**< The joystick hat index */
Uint8 value; /**< The hat position value.
* \sa ::SDL_HAT_LEFTUP ::SDL_HAT_UP ::SDL_HAT_RIGHTUP
* \sa ::SDL_HAT_LEFT ::SDL_HAT_CENTERED ::SDL_HAT_RIGHT
* \sa ::SDL_HAT_LEFTDOWN ::SDL_HAT_DOWN ::SDL_HAT_RIGHTDOWN
*
* Note that zero means the POV is centered.
*/
Uint8 padding1;
Uint8 padding2;
} SDL_JoyHatEvent;
/**
* \brief Joystick button event structure (event.jbutton.*)
*/
typedef struct SDL_JoyButtonEvent
{
Uint32 type; /**< ::SDL_JOYBUTTONDOWN or ::SDL_JOYBUTTONUP */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 button; /**< The joystick button index */
Uint8 state; /**< ::SDL_PRESSED or ::SDL_RELEASED */
Uint8 padding1;
Uint8 padding2;
} SDL_JoyButtonEvent;
/**
* \brief Joystick device event structure (event.jdevice.*)
*/
typedef struct SDL_JoyDeviceEvent
{
Uint32 type; /**< ::SDL_JOYDEVICEADDED or ::SDL_JOYDEVICEREMOVED */
Uint32 timestamp;
Sint32 which; /**< The joystick device index for the ADDED event, instance id for the REMOVED event */
} SDL_JoyDeviceEvent;
/**
* \brief Game controller axis motion event structure (event.caxis.*)
*/
typedef struct SDL_ControllerAxisEvent
{
Uint32 type; /**< ::SDL_CONTROLLERAXISMOTION */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 axis; /**< The controller axis (SDL_GameControllerAxis) */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint16 value; /**< The axis value (range: -32768 to 32767) */
Uint16 padding4;
} SDL_ControllerAxisEvent;
/**
* \brief Game controller button event structure (event.cbutton.*)
*/
typedef struct SDL_ControllerButtonEvent
{
Uint32 type; /**< ::SDL_CONTROLLERBUTTONDOWN or ::SDL_CONTROLLERBUTTONUP */
Uint32 timestamp;
SDL_JoystickID which; /**< The joystick instance id */
Uint8 button; /**< The controller button (SDL_GameControllerButton) */
Uint8 state; /**< ::SDL_PRESSED or ::SDL_RELEASED */
Uint8 padding1;
Uint8 padding2;
} SDL_ControllerButtonEvent;
/**
* \brief Controller device event structure (event.cdevice.*)
*/
typedef struct SDL_ControllerDeviceEvent
{
Uint32 type; /**< ::SDL_CONTROLLERDEVICEADDED, ::SDL_CONTROLLERDEVICEREMOVED, or ::SDL_CONTROLLERDEVICEREMAPPED */
Uint32 timestamp;
Sint32 which; /**< The joystick device index for the ADDED event, instance id for the REMOVED or REMAPPED event */
} SDL_ControllerDeviceEvent;
/**
* \brief Audio device event structure (event.adevice.*)
*/
typedef struct SDL_AudioDeviceEvent
{
Uint32 type; /**< ::SDL_AUDIODEVICEADDED, or ::SDL_AUDIODEVICEREMOVED */
Uint32 timestamp;
Uint32 which; /**< The audio device index for the ADDED event (valid until next SDL_GetNumAudioDevices() call), SDL_AudioDeviceID for the REMOVED event */
Uint8 iscapture; /**< zero if an output device, non-zero if a capture device. */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
} SDL_AudioDeviceEvent;
/**
* \brief Touch finger event structure (event.tfinger.*)
*/
typedef struct SDL_TouchFingerEvent
{
Uint32 type; /**< ::SDL_FINGERMOTION or ::SDL_FINGERDOWN or ::SDL_FINGERUP */
Uint32 timestamp;
SDL_TouchID touchId; /**< The touch device id */
SDL_FingerID fingerId;
float x; /**< Normalized in the range 0...1 */
float y; /**< Normalized in the range 0...1 */
float dx; /**< Normalized in the range -1...1 */
float dy; /**< Normalized in the range -1...1 */
float pressure; /**< Normalized in the range 0...1 */
} SDL_TouchFingerEvent;
/**
* \brief Multiple Finger Gesture Event (event.mgesture.*)
*/
typedef struct SDL_MultiGestureEvent
{
Uint32 type; /**< ::SDL_MULTIGESTURE */
Uint32 timestamp;
SDL_TouchID touchId; /**< The touch device index */
float dTheta;
float dDist;
float x;
float y;
Uint16 numFingers;
Uint16 padding;
} SDL_MultiGestureEvent;
/**
* \brief Dollar Gesture Event (event.dgesture.*)
*/
typedef struct SDL_DollarGestureEvent
{
Uint32 type; /**< ::SDL_DOLLARGESTURE or ::SDL_DOLLARRECORD */
Uint32 timestamp;
SDL_TouchID touchId; /**< The touch device id */
SDL_GestureID gestureId;
Uint32 numFingers;
float error;
float x; /**< Normalized center of gesture */
float y; /**< Normalized center of gesture */
} SDL_DollarGestureEvent;
/**
* \brief An event used to request a file open by the system (event.drop.*)
* This event is enabled by default, you can disable it with SDL_EventState().
* \note If this event is enabled, you must free the filename in the event.
*/
typedef struct SDL_DropEvent
{
Uint32 type; /**< ::SDL_DROPFILE */
Uint32 timestamp;
char *file; /**< The file name, which should be freed with SDL_free() */
} SDL_DropEvent;
/**
* \brief The "quit requested" event
*/
typedef struct SDL_QuitEvent
{
Uint32 type; /**< ::SDL_QUIT */
Uint32 timestamp;
} SDL_QuitEvent;
/**
* \brief OS Specific event
*/
typedef struct SDL_OSEvent
{
Uint32 type; /**< ::SDL_QUIT */
Uint32 timestamp;
} SDL_OSEvent;
/**
* \brief A user-defined event type (event.user.*)
*/
typedef struct SDL_UserEvent
{
Uint32 type; /**< ::SDL_USEREVENT through ::SDL_LASTEVENT-1 */
Uint32 timestamp;
Uint32 windowID; /**< The associated window if any */
Sint32 code; /**< User defined event code */
void *data1; /**< User defined data pointer */
void *data2; /**< User defined data pointer */
} SDL_UserEvent;
struct SDL_SysWMmsg;
typedef struct SDL_SysWMmsg SDL_SysWMmsg;
/**
* \brief A video driver dependent system event (event.syswm.*)
* This event is disabled by default, you can enable it with SDL_EventState()
*
* \note If you want to use this event, you should include SDL_syswm.h.
*/
typedef struct SDL_SysWMEvent
{
Uint32 type; /**< ::SDL_SYSWMEVENT */
Uint32 timestamp;
SDL_SysWMmsg *msg; /**< driver dependent data, defined in SDL_syswm.h */
} SDL_SysWMEvent;
/**
* \brief General event structure
*/
typedef union SDL_Event
{
Uint32 type; /**< Event type, shared with all events */
SDL_CommonEvent common; /**< Common event data */
SDL_WindowEvent window; /**< Window event data */
SDL_KeyboardEvent key; /**< Keyboard event data */
SDL_TextEditingEvent edit; /**< Text editing event data */
SDL_TextInputEvent text; /**< Text input event data */
SDL_MouseMotionEvent motion; /**< Mouse motion event data */
SDL_MouseButtonEvent button; /**< Mouse button event data */
SDL_MouseWheelEvent wheel; /**< Mouse wheel event data */
SDL_JoyAxisEvent jaxis; /**< Joystick axis event data */
SDL_JoyBallEvent jball; /**< Joystick ball event data */
SDL_JoyHatEvent jhat; /**< Joystick hat event data */
SDL_JoyButtonEvent jbutton; /**< Joystick button event data */
SDL_JoyDeviceEvent jdevice; /**< Joystick device change event data */
SDL_ControllerAxisEvent caxis; /**< Game Controller axis event data */
SDL_ControllerButtonEvent cbutton; /**< Game Controller button event data */
SDL_ControllerDeviceEvent cdevice; /**< Game Controller device event data */
SDL_AudioDeviceEvent adevice; /**< Audio device event data */
SDL_QuitEvent quit; /**< Quit request event data */
SDL_UserEvent user; /**< Custom event data */
SDL_SysWMEvent syswm; /**< System dependent window event data */
SDL_TouchFingerEvent tfinger; /**< Touch finger event data */
SDL_MultiGestureEvent mgesture; /**< Gesture event data */
SDL_DollarGestureEvent dgesture; /**< Gesture event data */
SDL_DropEvent drop; /**< Drag and drop event data */
/* This is necessary for ABI compatibility between Visual C++ and GCC
Visual C++ will respect the push pack pragma and use 52 bytes for
this structure, and GCC will use the alignment of the largest datatype
within the union, which is 8 bytes.
So... we'll add padding to force the size to be 56 bytes for both.
*/
Uint8 padding[56];
} SDL_Event;
/* Function prototypes */
/**
* Pumps the event loop, gathering events from the input devices.
*
* This function updates the event queue and internal input device state.
*
* This should only be run in the thread that sets the video mode.
*/
extern DECLSPEC void SDLCALL SDL_PumpEvents(void);
/* @{ */
typedef enum
{
SDL_ADDEVENT,
SDL_PEEKEVENT,
SDL_GETEVENT
} SDL_eventaction;
/**
* Checks the event queue for messages and optionally returns them.
*
* If \c action is ::SDL_ADDEVENT, up to \c numevents events will be added to
* the back of the event queue.
*
* If \c action is ::SDL_PEEKEVENT, up to \c numevents events at the front
* of the event queue, within the specified minimum and maximum type,
* will be returned and will not be removed from the queue.
*
* If \c action is ::SDL_GETEVENT, up to \c numevents events at the front
* of the event queue, within the specified minimum and maximum type,
* will be returned and will be removed from the queue.
*
* \return The number of events actually stored, or -1 if there was an error.
*
* This function is thread-safe.
*/
extern DECLSPEC int SDLCALL SDL_PeepEvents(SDL_Event * events, int numevents,
SDL_eventaction action,
Uint32 minType, Uint32 maxType);
/* @} */
/**
* Checks to see if certain event types are in the event queue.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasEvent(Uint32 type);
extern DECLSPEC SDL_bool SDLCALL SDL_HasEvents(Uint32 minType, Uint32 maxType);
/**
* This function clears events from the event queue
* This function only affects currently queued events. If you want to make
* sure that all pending OS events are flushed, you can call SDL_PumpEvents()
* on the main thread immediately before the flush call.
*/
extern DECLSPEC void SDLCALL SDL_FlushEvent(Uint32 type);
extern DECLSPEC void SDLCALL SDL_FlushEvents(Uint32 minType, Uint32 maxType);
/**
* \brief Polls for currently pending events.
*
* \return 1 if there are any pending events, or 0 if there are none available.
*
* \param event If not NULL, the next event is removed from the queue and
* stored in that area.
*/
extern DECLSPEC int SDLCALL SDL_PollEvent(SDL_Event * event);
/**
* \brief Waits indefinitely for the next available event.
*
* \return 1, or 0 if there was an error while waiting for events.
*
* \param event If not NULL, the next event is removed from the queue and
* stored in that area.
*/
extern DECLSPEC int SDLCALL SDL_WaitEvent(SDL_Event * event);
/**
* \brief Waits until the specified timeout (in milliseconds) for the next
* available event.
*
* \return 1, or 0 if there was an error while waiting for events.
*
* \param event If not NULL, the next event is removed from the queue and
* stored in that area.
* \param timeout The timeout (in milliseconds) to wait for next event.
*/
extern DECLSPEC int SDLCALL SDL_WaitEventTimeout(SDL_Event * event,
int timeout);
/**
* \brief Add an event to the event queue.
*
* \return 1 on success, 0 if the event was filtered, or -1 if the event queue
* was full or there was some other error.
*/
extern DECLSPEC int SDLCALL SDL_PushEvent(SDL_Event * event);
typedef int (SDLCALL * SDL_EventFilter) (void *userdata, SDL_Event * event);
/**
* Sets up a filter to process all events before they change internal state and
* are posted to the internal event queue.
*
* The filter is prototyped as:
* \code
* int SDL_EventFilter(void *userdata, SDL_Event * event);
* \endcode
*
* If the filter returns 1, then the event will be added to the internal queue.
* If it returns 0, then the event will be dropped from the queue, but the
* internal state will still be updated. This allows selective filtering of
* dynamically arriving events.
*
* \warning Be very careful of what you do in the event filter function, as
* it may run in a different thread!
*
* There is one caveat when dealing with the ::SDL_QuitEvent event type. The
* event filter is only called when the window manager desires to close the
* application window. If the event filter returns 1, then the window will
* be closed, otherwise the window will remain open if possible.
*
* If the quit event is generated by an interrupt signal, it will bypass the
* internal queue and be delivered to the application at the next event poll.
*/
extern DECLSPEC void SDLCALL SDL_SetEventFilter(SDL_EventFilter filter,
void *userdata);
/**
* Return the current event filter - can be used to "chain" filters.
* If there is no event filter set, this function returns SDL_FALSE.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_GetEventFilter(SDL_EventFilter * filter,
void **userdata);
/**
* Add a function which is called when an event is added to the queue.
*/
extern DECLSPEC void SDLCALL SDL_AddEventWatch(SDL_EventFilter filter,
void *userdata);
/**
* Remove an event watch function added with SDL_AddEventWatch()
*/
extern DECLSPEC void SDLCALL SDL_DelEventWatch(SDL_EventFilter filter,
void *userdata);
/**
* Run the filter function on the current event queue, removing any
* events for which the filter returns 0.
*/
extern DECLSPEC void SDLCALL SDL_FilterEvents(SDL_EventFilter filter,
void *userdata);
/* @{ */
#define SDL_QUERY -1
#define SDL_IGNORE 0
#define SDL_DISABLE 0
#define SDL_ENABLE 1
/**
* This function allows you to set the state of processing certain events.
* - If \c state is set to ::SDL_IGNORE, that event will be automatically
* dropped from the event queue and will not event be filtered.
* - If \c state is set to ::SDL_ENABLE, that event will be processed
* normally.
* - If \c state is set to ::SDL_QUERY, SDL_EventState() will return the
* current processing state of the specified event.
*/
extern DECLSPEC Uint8 SDLCALL SDL_EventState(Uint32 type, int state);
/* @} */
#define SDL_GetEventState(type) SDL_EventState(type, SDL_QUERY)
/**
* This function allocates a set of user-defined events, and returns
* the beginning event number for that set of events.
*
* If there aren't enough user-defined events left, this function
* returns (Uint32)-1
*/
extern DECLSPEC Uint32 SDLCALL SDL_RegisterEvents(int numevents);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_events_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_filesystem.h
*
* \brief Include file for filesystem SDL API functions
*/
#ifndef _SDL_filesystem_h
#define _SDL_filesystem_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 Get the path where the application resides.
*
* Get the "base path". This is the directory where the application was run
* from, which is probably the installation directory, and may or may not
* be the process's current working directory.
*
* This returns an absolute path in UTF-8 encoding, and is guaranteed to
* end with a path separator ('\\' on Windows, '/' most other places).
*
* The pointer returned by this function is owned by you. Please call
* SDL_free() on the pointer when you are done with it, or it will be a
* memory leak. This is not necessarily a fast call, though, so you should
* call this once near startup and save the string if you need it.
*
* Some platforms can't determine the application's path, and on other
* platforms, this might be meaningless. In such cases, this function will
* return NULL.
*
* \return String of base dir in UTF-8 encoding, or NULL on error.
*
* \sa SDL_GetPrefPath
*/
extern DECLSPEC char *SDLCALL SDL_GetBasePath(void);
/**
* \brief Get the user-and-app-specific path where files can be written.
*
* Get the "pref dir". This is meant to be where users can write personal
* files (preferences and save games, etc) that are specific to your
* application. This directory is unique per user, per application.
*
* This function will decide the appropriate location in the native filesystem,
* create the directory if necessary, and return a string of the absolute
* path to the directory in UTF-8 encoding.
*
* On Windows, the string might look like:
* "C:\\Users\\bob\\AppData\\Roaming\\My Company\\My Program Name\\"
*
* On Linux, the string might look like:
* "/home/bob/.local/share/My Program Name/"
*
* On Mac OS X, the string might look like:
* "/Users/bob/Library/Application Support/My Program Name/"
*
* (etc.)
*
* You specify the name of your organization (if it's not a real organization,
* your name or an Internet domain you own might do) and the name of your
* application. These should be untranslated proper names.
*
* Both the org and app strings may become part of a directory name, so
* please follow these rules:
*
* - Try to use the same org string (including case-sensitivity) for
* all your applications that use this function.
* - Always use a unique app string for each one, and make sure it never
* changes for an app once you've decided on it.
* - Unicode characters are legal, as long as it's UTF-8 encoded, but...
* - ...only use letters, numbers, and spaces. Avoid punctuation like
* "Game Name 2: Bad Guy's Revenge!" ... "Game Name 2" is sufficient.
*
* This returns an absolute path in UTF-8 encoding, and is guaranteed to
* end with a path separator ('\\' on Windows, '/' most other places).
*
* The pointer returned by this function is owned by you. Please call
* SDL_free() on the pointer when you are done with it, or it will be a
* memory leak. This is not necessarily a fast call, though, so you should
* call this once near startup and save the string if you need it.
*
* You should assume the path returned by this function is the only safe
* place to write files (and that SDL_GetBasePath(), while it might be
* writable, or even the parent of the returned path, aren't where you
* should be writing things).
*
* Some platforms can't determine the pref path, and on other
* platforms, this might be meaningless. In such cases, this function will
* return NULL.
*
* \param org The name of your organization.
* \param app The name of your application.
* \return UTF-8 string of user dir in platform-dependent notation. NULL
* if there's a problem (creating directory failed, etc).
*
* \sa SDL_GetBasePath
*/
extern DECLSPEC char *SDLCALL SDL_GetPrefPath(const char *org, const char *app);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_filesystem_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_gamecontroller.h
*
* Include file for SDL game controller event handling
*/
#ifndef _SDL_gamecontroller_h
#define _SDL_gamecontroller_h
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_rwops.h"
#include "SDL_joystick.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_gamecontroller.h
*
* In order to use these functions, SDL_Init() must have been called
* with the ::SDL_INIT_GAMECONTROLLER flag. This causes SDL to scan the system
* for game controllers, and load appropriate drivers.
*
* If you would like to receive controller updates while the application
* is in the background, you should set the following hint before calling
* SDL_Init(): SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS
*/
/* The gamecontroller structure used to identify an SDL game controller */
struct _SDL_GameController;
typedef struct _SDL_GameController SDL_GameController;
typedef enum
{
SDL_CONTROLLER_BINDTYPE_NONE = 0,
SDL_CONTROLLER_BINDTYPE_BUTTON,
SDL_CONTROLLER_BINDTYPE_AXIS,
SDL_CONTROLLER_BINDTYPE_HAT
} SDL_GameControllerBindType;
/**
* Get the SDL joystick layer binding for this controller button/axis mapping
*/
typedef struct SDL_GameControllerButtonBind
{
SDL_GameControllerBindType bindType;
union
{
int button;
int axis;
struct {
int hat;
int hat_mask;
} hat;
} value;
} SDL_GameControllerButtonBind;
/**
* To count the number of game controllers in the system for the following:
* int nJoysticks = SDL_NumJoysticks();
* int nGameControllers = 0;
* for ( int i = 0; i < nJoysticks; i++ ) {
* if ( SDL_IsGameController(i) ) {
* nGameControllers++;
* }
* }
*
* Using the SDL_HINT_GAMECONTROLLERCONFIG hint or the SDL_GameControllerAddMapping you can add support for controllers SDL is unaware of or cause an existing controller to have a different binding. The format is:
* guid,name,mappings
*
* Where GUID is the string value from SDL_JoystickGetGUIDString(), name is the human readable string for the device and mappings are controller mappings to joystick ones.
* Under Windows there is a reserved GUID of "xinput" that covers any XInput devices.
* The mapping format for joystick is:
* bX - a joystick button, index X
* hX.Y - hat X with value Y
* aX - axis X of the joystick
* Buttons can be used as a controller axis and vice versa.
*
* This string shows an example of a valid mapping for a controller
* "341a3608000000000000504944564944,Afterglow PS3 Controller,a:b1,b:b2,y:b3,x:b0,start:b9,guide:b12,back:b8,dpup:h0.1,dpleft:h0.8,dpdown:h0.4,dpright:h0.2,leftshoulder:b4,rightshoulder:b5,leftstick:b10,rightstick:b11,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7",
*
*/
/**
* Load a set of mappings from a seekable SDL data stream (memory or file), filtered by the current SDL_GetPlatform()
* A community sourced database of controllers is available at https://raw.github.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt
*
* If \c freerw is non-zero, the stream will be closed after being read.
*
* \return number of mappings added, -1 on error
*/
extern DECLSPEC int SDLCALL SDL_GameControllerAddMappingsFromRW( SDL_RWops * rw, int freerw );
/**
* Load a set of mappings from a file, filtered by the current SDL_GetPlatform()
*
* Convenience macro.
*/
#define SDL_GameControllerAddMappingsFromFile(file) SDL_GameControllerAddMappingsFromRW(SDL_RWFromFile(file, "rb"), 1)
/**
* Add or update an existing mapping configuration
*
* \return 1 if mapping is added, 0 if updated, -1 on error
*/
extern DECLSPEC int SDLCALL SDL_GameControllerAddMapping( const char* mappingString );
/**
* Get a mapping string for a GUID
*
* \return the mapping string. Must be freed with SDL_free. Returns NULL if no mapping is available
*/
extern DECLSPEC char * SDLCALL SDL_GameControllerMappingForGUID( SDL_JoystickGUID guid );
/**
* Get a mapping string for an open GameController
*
* \return the mapping string. Must be freed with SDL_free. Returns NULL if no mapping is available
*/
extern DECLSPEC char * SDLCALL SDL_GameControllerMapping( SDL_GameController * gamecontroller );
/**
* Is the joystick on this index supported by the game controller interface?
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsGameController(int joystick_index);
/**
* Get the implementation dependent name of a game controller.
* This can be called before any controllers are opened.
* If no name can be found, this function returns NULL.
*/
extern DECLSPEC const char *SDLCALL SDL_GameControllerNameForIndex(int joystick_index);
/**
* Open a game controller for use.
* The index passed as an argument refers to the N'th game controller on the system.
* This index is not the value which will identify this controller in future
* controller events. The joystick's instance id (::SDL_JoystickID) will be
* used there instead.
*
* \return A controller identifier, or NULL if an error occurred.
*/
extern DECLSPEC SDL_GameController *SDLCALL SDL_GameControllerOpen(int joystick_index);
/**
* Return the SDL_GameController associated with an instance id.
*/
extern DECLSPEC SDL_GameController *SDLCALL SDL_GameControllerFromInstanceID(SDL_JoystickID joyid);
/**
* Return the name for this currently opened controller
*/
extern DECLSPEC const char *SDLCALL SDL_GameControllerName(SDL_GameController *gamecontroller);
/**
* Returns SDL_TRUE if the controller has been opened and currently connected,
* or SDL_FALSE if it has not.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_GameControllerGetAttached(SDL_GameController *gamecontroller);
/**
* Get the underlying joystick object used by a controller
*/
extern DECLSPEC SDL_Joystick *SDLCALL SDL_GameControllerGetJoystick(SDL_GameController *gamecontroller);
/**
* Enable/disable controller event polling.
*
* If controller events are disabled, you must call SDL_GameControllerUpdate()
* yourself and check the state of the controller when you want controller
* information.
*
* The state can be one of ::SDL_QUERY, ::SDL_ENABLE or ::SDL_IGNORE.
*/
extern DECLSPEC int SDLCALL SDL_GameControllerEventState(int state);
/**
* Update the current state of the open game controllers.
*
* This is called automatically by the event loop if any game controller
* events are enabled.
*/
extern DECLSPEC void SDLCALL SDL_GameControllerUpdate(void);
/**
* The list of axes available from a controller
*/
typedef enum
{
SDL_CONTROLLER_AXIS_INVALID = -1,
SDL_CONTROLLER_AXIS_LEFTX,
SDL_CONTROLLER_AXIS_LEFTY,
SDL_CONTROLLER_AXIS_RIGHTX,
SDL_CONTROLLER_AXIS_RIGHTY,
SDL_CONTROLLER_AXIS_TRIGGERLEFT,
SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
SDL_CONTROLLER_AXIS_MAX
} SDL_GameControllerAxis;
/**
* turn this string into a axis mapping
*/
extern DECLSPEC SDL_GameControllerAxis SDLCALL SDL_GameControllerGetAxisFromString(const char *pchString);
/**
* turn this axis enum into a string mapping
*/
extern DECLSPEC const char* SDLCALL SDL_GameControllerGetStringForAxis(SDL_GameControllerAxis axis);
/**
* Get the SDL joystick layer binding for this controller button mapping
*/
extern DECLSPEC SDL_GameControllerButtonBind SDLCALL
SDL_GameControllerGetBindForAxis(SDL_GameController *gamecontroller,
SDL_GameControllerAxis axis);
/**
* Get the current state of an axis control on a game controller.
*
* The state is a value ranging from -32768 to 32767 (except for the triggers,
* which range from 0 to 32767).
*
* The axis indices start at index 0.
*/
extern DECLSPEC Sint16 SDLCALL
SDL_GameControllerGetAxis(SDL_GameController *gamecontroller,
SDL_GameControllerAxis axis);
/**
* The list of buttons available from a controller
*/
typedef enum
{
SDL_CONTROLLER_BUTTON_INVALID = -1,
SDL_CONTROLLER_BUTTON_A,
SDL_CONTROLLER_BUTTON_B,
SDL_CONTROLLER_BUTTON_X,
SDL_CONTROLLER_BUTTON_Y,
SDL_CONTROLLER_BUTTON_BACK,
SDL_CONTROLLER_BUTTON_GUIDE,
SDL_CONTROLLER_BUTTON_START,
SDL_CONTROLLER_BUTTON_LEFTSTICK,
SDL_CONTROLLER_BUTTON_RIGHTSTICK,
SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
SDL_CONTROLLER_BUTTON_DPAD_UP,
SDL_CONTROLLER_BUTTON_DPAD_DOWN,
SDL_CONTROLLER_BUTTON_DPAD_LEFT,
SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
SDL_CONTROLLER_BUTTON_MAX
} SDL_GameControllerButton;
/**
* turn this string into a button mapping
*/
extern DECLSPEC SDL_GameControllerButton SDLCALL SDL_GameControllerGetButtonFromString(const char *pchString);
/**
* turn this button enum into a string mapping
*/
extern DECLSPEC const char* SDLCALL SDL_GameControllerGetStringForButton(SDL_GameControllerButton button);
/**
* Get the SDL joystick layer binding for this controller button mapping
*/
extern DECLSPEC SDL_GameControllerButtonBind SDLCALL
SDL_GameControllerGetBindForButton(SDL_GameController *gamecontroller,
SDL_GameControllerButton button);
/**
* Get the current state of a button on a game controller.
*
* The button indices start at index 0.
*/
extern DECLSPEC Uint8 SDLCALL SDL_GameControllerGetButton(SDL_GameController *gamecontroller,
SDL_GameControllerButton button);
/**
* Close a controller previously opened with SDL_GameControllerOpen().
*/
extern DECLSPEC void SDLCALL SDL_GameControllerClose(SDL_GameController *gamecontroller);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_gamecontroller_h */
/* vi: set ts=4 sw=4 expandtab: */
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_gesture.h
*
* Include file for SDL gesture event handling.
*/
#ifndef _SDL_gesture_h
#define _SDL_gesture_h
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "SDL_touch.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
typedef Sint64 SDL_GestureID;
/* Function prototypes */
/**
* \brief Begin Recording a gesture on the specified touch, or all touches (-1)
*
*
*/
extern DECLSPEC int SDLCALL SDL_RecordGesture(SDL_TouchID touchId);
/**
* \brief Save all currently loaded Dollar Gesture templates
*
*
*/
extern DECLSPEC int SDLCALL SDL_SaveAllDollarTemplates(SDL_RWops *dst);
/**
* \brief Save a currently loaded Dollar Gesture template
*
*
*/
extern DECLSPEC int SDLCALL SDL_SaveDollarTemplate(SDL_GestureID gestureId,SDL_RWops *dst);
/**
* \brief Load Dollar Gesture templates from a file
*
*
*/
extern DECLSPEC int SDLCALL SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_gesture_h */
/* vi: set ts=4 sw=4 expandtab: */
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