Tha_14/tomato-testing
1
0
Fork 0
forked from Green-Sky/tomato
Code Pull Requests Actions Packages Releases Activity

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

Browse Source
This commit is contained in:
Green Sky
2024-03-28 16:27:42 +01:00
parent 95ec596cfd e4f454091a
commit c8ac631990
862 changed files with 204894 additions and 45662 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
external/sdl/SDL/src/atomic/SDL_atomic.c vendored
View File

@ -25,11 +25,11 @@
#define HAVE_MSC_ATOMICS 1
#endif
#ifdef __MACOS__ /* !!! FIXME: should we favor gcc atomics? */
#ifdef SDL_PLATFORM_MACOS /* !!! FIXME: should we favor gcc atomics? */
#include <libkern/OSAtomic.h>
#endif
#if !defined(HAVE_GCC_ATOMICS) && defined(__SOLARIS__)
#if !defined(HAVE_GCC_ATOMICS) && defined(SDL_PLATFORM_SOLARIS)
#include <atomic.h>
#endif
@ -38,7 +38,7 @@
#if __has_builtin(__atomic_load_n) || defined(HAVE_GCC_ATOMICS)
/* !!! FIXME: this advertises as available in the NDK but uses an external symbol we don't have.
It might be in a later NDK or we might need an extra library? --ryan. */
#ifndef __ANDROID__
#ifndef SDL_PLATFORM_ANDROID
#define HAVE_ATOMIC_LOAD_N 1
#endif
#endif
@ -100,7 +100,7 @@ extern __inline int _SDL_xadd_watcom(volatile int *a, int v);
Contributed by Bob Pendleton, bob@pendleton.com
*/
#if !defined(HAVE_MSC_ATOMICS) && !defined(HAVE_GCC_ATOMICS) && !defined(__MACOS__) && !defined(__SOLARIS__) && !defined(HAVE_WATCOM_ATOMICS)
#if !defined(HAVE_MSC_ATOMICS) && !defined(HAVE_GCC_ATOMICS) && !defined(SDL_PLATFORM_MACOS) && !defined(SDL_PLATFORM_SOLARIS) && !defined(HAVE_WATCOM_ATOMICS)
#define EMULATE_CAS 1
#endif
@ -111,18 +111,18 @@ static SDL_INLINE void enterLock(void *a)
{
uintptr_t index = ((((uintptr_t)a) >> 3) & 0x1f);
SDL_AtomicLock(&locks[index]);
SDL_LockSpinlock(&locks[index]);
}
static SDL_INLINE void leaveLock(void *a)
{
uintptr_t index = ((((uintptr_t)a) >> 3) & 0x1f);
SDL_AtomicUnlock(&locks[index]);
SDL_UnlockSpinlock(&locks[index]);
}
#endif
SDL_bool SDL_AtomicCAS(SDL_AtomicInt *a, int oldval, int newval)
SDL_bool SDL_AtomicCompareAndSwap(SDL_AtomicInt *a, int oldval, int newval)
{
#ifdef HAVE_MSC_ATOMICS
SDL_COMPILE_TIME_ASSERT(atomic_cas, sizeof(long) == sizeof(a->value));
@ -131,9 +131,9 @@ SDL_bool SDL_AtomicCAS(SDL_AtomicInt *a, int oldval, int newval)
return _SDL_cmpxchg_watcom(&a->value, newval, oldval);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_bool_compare_and_swap(&a->value, oldval, newval);
#elif defined(__MACOS__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
#elif defined(SDL_PLATFORM_MACOS) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
return OSAtomicCompareAndSwap32Barrier(oldval, newval, &a->value);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return ((int)atomic_cas_uint((volatile uint_t *)&a->value, (uint_t)oldval, (uint_t)newval) == oldval);
#elif defined(EMULATE_CAS)
SDL_bool retval = SDL_FALSE;
@ -151,7 +151,7 @@ SDL_bool SDL_AtomicCAS(SDL_AtomicInt *a, int oldval, int newval)
#endif
}
SDL_bool SDL_AtomicCASPtr(void **a, void *oldval, void *newval)
SDL_bool SDL_AtomicCompareAndSwapPointer(void **a, void *oldval, void *newval)
{
#ifdef HAVE_MSC_ATOMICS
return _InterlockedCompareExchangePointer(a, newval, oldval) == oldval;
@ -159,11 +159,11 @@ SDL_bool SDL_AtomicCASPtr(void **a, void *oldval, void *newval)
return _SDL_cmpxchg_watcom((int *)a, (long)newval, (long)oldval);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_bool_compare_and_swap(a, oldval, newval);
#elif defined(__MACOS__) && defined(__LP64__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
#elif defined(SDL_PLATFORM_MACOS) && defined(__LP64__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
return OSAtomicCompareAndSwap64Barrier((int64_t)oldval, (int64_t)newval, (int64_t *)a);
#elif defined(__MACOS__) && !defined(__LP64__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
#elif defined(SDL_PLATFORM_MACOS) && !defined(__LP64__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
return OSAtomicCompareAndSwap32Barrier((int32_t)oldval, (int32_t)newval, (int32_t *)a);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return (atomic_cas_ptr(a, oldval, newval) == oldval);
#elif defined(EMULATE_CAS)
SDL_bool retval = SDL_FALSE;
@ -190,13 +190,13 @@ int SDL_AtomicSet(SDL_AtomicInt *a, int v)
return _SDL_xchg_watcom(&a->value, v);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_lock_test_and_set(&a->value, v);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return (int)atomic_swap_uint((volatile uint_t *)&a->value, v);
#else
int value;
do {
value = a->value;
} while (!SDL_AtomicCAS(a, value, v));
} while (!SDL_AtomicCompareAndSwap(a, value, v));
return value;
#endif
}
@ -209,13 +209,13 @@ void *SDL_AtomicSetPtr(void **a, void *v)
return (void *)_SDL_xchg_watcom((int *)a, (long)v);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_lock_test_and_set(a, v);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return atomic_swap_ptr(a, v);
#else
void *value;
do {
value = *a;
} while (!SDL_AtomicCASPtr(a, value, v));
} while (!SDL_AtomicCompareAndSwapPointer(a, value, v));
return value;
#endif
}
@ -229,7 +229,7 @@ int SDL_AtomicAdd(SDL_AtomicInt *a, int v)
return _SDL_xadd_watcom(&a->value, v);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_fetch_and_add(&a->value, v);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
int pv = a->value;
membar_consumer();
atomic_add_int((volatile uint_t *)&a->value, v);
@ -238,7 +238,7 @@ int SDL_AtomicAdd(SDL_AtomicInt *a, int v)
int value;
do {
value = a->value;
} while (!SDL_AtomicCAS(a, value, (value + v)));
} while (!SDL_AtomicCompareAndSwap(a, value, (value + v)));
return value;
#endif
}
@ -254,15 +254,15 @@ int SDL_AtomicGet(SDL_AtomicInt *a)
return _SDL_xadd_watcom(&a->value, 0);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_or_and_fetch(&a->value, 0);
#elif defined(__MACOS__) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
#elif defined(SDL_PLATFORM_MACOS) /* this is deprecated in 10.12 sdk; favor gcc atomics. */
return sizeof(a->value) == sizeof(uint32_t) ? OSAtomicOr32Barrier(0, (volatile uint32_t *)&a->value) : OSAtomicAdd64Barrier(0, (volatile int64_t *)&a->value);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return atomic_or_uint((volatile uint_t *)&a->value, 0);
#else
int value;
do {
value = a->value;
} while (!SDL_AtomicCAS(a, value, value));
} while (!SDL_AtomicCompareAndSwap(a, value, value));
return value;
#endif
}
@ -275,13 +275,13 @@ void *SDL_AtomicGetPtr(void **a)
return _InterlockedCompareExchangePointer(a, NULL, NULL);
#elif defined(HAVE_GCC_ATOMICS)
return __sync_val_compare_and_swap(a, (void *)0, (void *)0);
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
return atomic_cas_ptr(a, (void *)0, (void *)0);
#else
void *value;
do {
value = *a;
} while (!SDL_AtomicCASPtr(a, value, value));
} while (!SDL_AtomicCompareAndSwapPointer(a, value, value));
return value;
#endif
}

64
external/sdl/SDL/src/atomic/SDL_spinlock.c vendored
View File

@ -20,15 +20,15 @@
*/
#include "SDL_internal.h"
#if defined(__WIN32__) || defined(__WINRT__) || defined(__GDK__)
#if defined(SDL_PLATFORM_WIN32) || defined(SDL_PLATFORM_WINRT) || defined(SDL_PLATFORM_GDK)
#include "../core/windows/SDL_windows.h"
#endif
#if !defined(HAVE_GCC_ATOMICS) && defined(__SOLARIS__)
#if !defined(HAVE_GCC_ATOMICS) && defined(SDL_PLATFORM_SOLARIS)
#include <atomic.h>
#endif
#if !defined(HAVE_GCC_ATOMICS) && defined(__RISCOS__)
#if !defined(HAVE_GCC_ATOMICS) && defined(SDL_PLATFORM_RISCOS)
#include <unixlib/local.h>
#endif
@ -40,7 +40,7 @@
#include <kernel.h>
#endif
#if !defined(HAVE_GCC_ATOMICS) && defined(__MACOS__)
#if !defined(HAVE_GCC_ATOMICS) && defined(SDL_PLATFORM_MACOS)
#include <libkern/OSAtomic.h>
#endif
@ -57,27 +57,9 @@ extern __inline int _SDL_xchg_watcom(volatile int *a, int v);
/* *INDENT-ON* */ /* clang-format on */
/* This function is where all the magic happens... */
SDL_bool SDL_AtomicTryLock(SDL_SpinLock *lock)
SDL_bool SDL_TryLockSpinlock(SDL_SpinLock *lock)
{
#ifdef SDL_ATOMIC_DISABLED
/* Terrible terrible damage */
static SDL_Mutex *_spinlock_mutex;
if (!_spinlock_mutex) {
/* Race condition on first lock... */
_spinlock_mutex = SDL_CreateMutex();
}
SDL_LockMutex(_spinlock_mutex);
if (*lock == 0) {
*lock = 1;
SDL_UnlockMutex(_spinlock_mutex);
return SDL_TRUE;
} else {
SDL_UnlockMutex(_spinlock_mutex);
return SDL_FALSE;
}
#elif defined(HAVE_GCC_ATOMICS) || defined(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
#if defined(HAVE_GCC_ATOMICS) || defined(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
return __sync_lock_test_and_set(lock, 1) == 0;
#elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
@ -97,7 +79,7 @@ SDL_bool SDL_AtomicTryLock(SDL_SpinLock *lock)
defined(__ARM_ARCH_5TEJ__))
int result;
#ifdef __RISCOS__
#ifdef SDL_PLATFORM_RISCOS
if (__cpucap_have_rex()) {
__asm__ __volatile__(
"ldrex %0, [%2]\nteq %0, #0\nstrexeq %0, %1, [%2]"
@ -133,15 +115,15 @@ SDL_bool SDL_AtomicTryLock(SDL_SpinLock *lock)
: "cc", "memory");
return result == 0;
#elif defined(__MACOS__) || defined(__IOS__) || defined(__TVOS__)
#elif defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_TVOS)
/* Maybe used for PowerPC, but the Intel asm or gcc atomics are favored. */
return OSAtomicCompareAndSwap32Barrier(0, 1, lock);
#elif defined(__SOLARIS__) && defined(_LP64)
#elif defined(SDL_PLATFORM_SOLARIS) && defined(_LP64)
/* Used for Solaris with non-gcc compilers. */
return ((int)atomic_cas_64((volatile uint64_t *)lock, 0, 1) == 0);
#elif defined(__SOLARIS__) && !defined(_LP64)
#elif defined(SDL_PLATFORM_SOLARIS) && !defined(_LP64)
/* Used for Solaris with non-gcc compilers. */
return ((int)atomic_cas_32((volatile uint32_t *)lock, 0, 1) == 0);
#elif defined(PS2)
@ -160,16 +142,30 @@ SDL_bool SDL_AtomicTryLock(SDL_SpinLock *lock)
}
return res;
#else
#error Please implement for your platform.
return SDL_FALSE;
/* Terrible terrible damage */
static SDL_Mutex *_spinlock_mutex;
if (!_spinlock_mutex) {
/* Race condition on first lock... */
_spinlock_mutex = SDL_CreateMutex();
}
SDL_LockMutex(_spinlock_mutex);
if (*lock == 0) {
*lock = 1;
SDL_UnlockMutex(_spinlock_mutex);
return SDL_TRUE;
} else {
SDL_UnlockMutex(_spinlock_mutex);
return SDL_FALSE;
}
#endif
}
void SDL_AtomicLock(SDL_SpinLock *lock)
void SDL_LockSpinlock(SDL_SpinLock *lock)
{
int iterations = 0;
/* FIXME: Should we have an eventual timeout? */
while (!SDL_AtomicTryLock(lock)) {
while (!SDL_TryLockSpinlock(lock)) {
if (iterations < 32) {
iterations++;
SDL_CPUPauseInstruction();
@ -180,7 +176,7 @@ void SDL_AtomicLock(SDL_SpinLock *lock)
}
}
void SDL_AtomicUnlock(SDL_SpinLock *lock)
void SDL_UnlockSpinlock(SDL_SpinLock *lock)
{
#if defined(HAVE_GCC_ATOMICS) || defined(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
__sync_lock_release(lock);
@ -196,7 +192,7 @@ void SDL_AtomicUnlock(SDL_SpinLock *lock)
SDL_CompilerBarrier();
*lock = 0;
#elif defined(__SOLARIS__)
#elif defined(SDL_PLATFORM_SOLARIS)
/* Used for Solaris when not using gcc. */
*lock = 0;
membar_producer();