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sdl (master post 3.1 preview) Merge commit 'e4f454091a943345938608570b104400f62fd625'

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Green Sky
2024-03-28 16:27:42 +01:00
parent 95ec596cfd e4f454091a
commit c8ac631990
862 changed files with 204894 additions and 45662 deletions
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46
external/sdl/SDL/include/SDL3/SDL_atomic.h vendored
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@@ -31,8 +31,8 @@
* with full mutexes.
*
* The list of "safe" functions to use are:
* SDL_AtomicLock()
* SDL_AtomicUnlock()
* SDL_LockSpinlock()
* SDL_UnlockSpinlock()
* SDL_AtomicIncRef()
* SDL_AtomicDecRef()
*
@@ -105,10 +105,10 @@ typedef int SDL_SpinLock;
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicLock
* \sa SDL_AtomicUnlock
* \sa SDL_LockSpinlock
* \sa SDL_UnlockSpinlock
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTryLock(SDL_SpinLock *lock);
extern DECLSPEC SDL_bool SDLCALL SDL_TryLockSpinlock(SDL_SpinLock *lock);
/**
* Lock a spin lock by setting it to a non-zero value.
@@ -120,10 +120,10 @@ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTryLock(SDL_SpinLock *lock);
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicTryLock
* \sa SDL_AtomicUnlock
* \sa SDL_TryLockSpinlock
* \sa SDL_UnlockSpinlock
*/
extern DECLSPEC void SDLCALL SDL_AtomicLock(SDL_SpinLock *lock);
extern DECLSPEC void SDLCALL SDL_LockSpinlock(SDL_SpinLock *lock);
/**
* Unlock a spin lock by setting it to 0.
@@ -137,10 +137,10 @@ extern DECLSPEC void SDLCALL SDL_AtomicLock(SDL_SpinLock *lock);
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicLock
* \sa SDL_AtomicTryLock
* \sa SDL_LockSpinlock
* \sa SDL_TryLockSpinlock
*/
extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
extern DECLSPEC void SDLCALL SDL_UnlockSpinlock(SDL_SpinLock *lock);
/* @} *//* SDL AtomicLock */
@@ -153,7 +153,7 @@ extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
void _ReadWriteBarrier(void);
#pragma intrinsic(_ReadWriteBarrier)
#define SDL_CompilerBarrier() _ReadWriteBarrier()
#elif (defined(__GNUC__) && !defined(__EMSCRIPTEN__)) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
#elif (defined(__GNUC__) && !defined(SDL_PLATFORM_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")
#elif defined(__WATCOMC__)
@@ -161,7 +161,7 @@ extern __inline void SDL_CompilerBarrier(void);
#pragma aux SDL_CompilerBarrier = "" parm [] modify exact [];
#else
#define SDL_CompilerBarrier() \
{ SDL_SpinLock _tmp = 0; SDL_AtomicLock(&_tmp); SDL_AtomicUnlock(&_tmp); }
{ SDL_SpinLock _tmp = 0; SDL_LockSpinlock(&_tmp); SDL_UnlockSpinlock(&_tmp); }
#endif
/**
@@ -199,7 +199,7 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
#elif defined(__GNUC__) && defined(__arm__)
#if 0 /* defined(__LINUX__) || defined(__ANDROID__) */
#if 0 /* defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID) */
/* Information from:
https://chromium.googlesource.com/chromium/chromium/+/trunk/base/atomicops_internals_arm_gcc.h#19
@@ -226,7 +226,7 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("" : : : "memory")
#endif /* __LINUX__ || __ANDROID__ */
#endif /* SDL_PLATFORM_LINUX || SDL_PLATFORM_ANDROID */
#endif /* __GNUC__ && __arm__ */
#else
#if (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
@@ -267,7 +267,7 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
*
* It is a struct so people don't accidentally use numeric operations on it.
*/
typedef struct { int value; } SDL_AtomicInt;
typedef struct SDL_AtomicInt { int value; } SDL_AtomicInt;
/**
* Set an atomic variable to a new value if it is currently an old value.
@@ -282,11 +282,9 @@ typedef struct { int value; } SDL_AtomicInt;
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicGet
* \sa SDL_AtomicSet
* \sa SDL_AtomicCompareAndSwapPointer
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCAS(SDL_AtomicInt *a, int oldval, int newval);
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCompareAndSwap(SDL_AtomicInt *a, int oldval, int newval);
/**
* Set an atomic variable to a value.
@@ -370,11 +368,11 @@ extern DECLSPEC int SDLCALL SDL_AtomicAdd(SDL_AtomicInt *a, int v);
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicCAS
* \sa SDL_AtomicCompareAndSwap
* \sa SDL_AtomicGetPtr
* \sa SDL_AtomicSetPtr
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr(void **a, void *oldval, void *newval);
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCompareAndSwapPointer(void **a, void *oldval, void *newval);
/**
* Set a pointer to a value atomically.
@@ -388,7 +386,7 @@ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr(void **a, void *oldval, void *
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicCompareAndSwapPointer
* \sa SDL_AtomicGetPtr
*/
extern DECLSPEC void* SDLCALL SDL_AtomicSetPtr(void **a, void* v);
@@ -404,7 +402,7 @@ extern DECLSPEC void* SDLCALL SDL_AtomicSetPtr(void **a, void* v);
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicCompareAndSwapPointer
* \sa SDL_AtomicSetPtr
*/
extern DECLSPEC void* SDLCALL SDL_AtomicGetPtr(void **a);