chore(build): revert to sdl2

vendor/sdl-2.30.5/src/thread/psp/SDL_sysmutex.c

@@ -0,0 +1,148 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_THREAD_PSP
+
+/* An implementation of mutexes using semaphores */
+
+#include "SDL_thread.h"
+#include "SDL_systhread_c.h"
+
+#include <pspthreadman.h>
+#include <pspkerror.h>
+
+#define SCE_KERNEL_MUTEX_ATTR_RECURSIVE 0x0200U
+
+struct SDL_mutex
+{
+    SceLwMutexWorkarea lock;
+};
+
+/* Create a mutex */
+SDL_mutex *SDL_CreateMutex(void)
+{
+    SDL_mutex *mutex = NULL;
+    SceInt32 res = 0;
+
+    /* Allocate mutex memory */
+    mutex = (SDL_mutex *)SDL_malloc(sizeof(*mutex));
+    if (mutex) {
+
+        res = sceKernelCreateLwMutex(
+            &mutex->lock,
+            "SDL mutex",
+            SCE_KERNEL_MUTEX_ATTR_RECURSIVE,
+            0,
+            NULL);
+
+        if (res < 0) {
+            SDL_SetError("Error trying to create mutex: %lx", res);
+        }
+    } else {
+        SDL_OutOfMemory();
+    }
+    return mutex;
+}
+
+/* Free the mutex */
+void SDL_DestroyMutex(SDL_mutex *mutex)
+{
+    if (mutex) {
+        sceKernelDeleteLwMutex(&mutex->lock);
+        SDL_free(mutex);
+    }
+}
+
+/* Lock the mutex */
+int SDL_LockMutex(SDL_mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS /* clang doesn't know about NULL mutexes */
+{
+#ifdef SDL_THREADS_DISABLED
+    return 0;
+#else
+    SceInt32 res = 0;
+
+    if (mutex == NULL) {
+        return 0;
+    }
+
+    res = sceKernelLockLwMutex(&mutex->lock, 1, NULL);
+    if (res != SCE_KERNEL_ERROR_OK) {
+        return SDL_SetError("Error trying to lock mutex: %lx", res);
+    }
+
+    return 0;
+#endif /* SDL_THREADS_DISABLED */
+}
+
+/* Try to lock the mutex */
+int SDL_TryLockMutex(SDL_mutex *mutex)
+{
+#ifdef SDL_THREADS_DISABLED
+    return 0;
+#else
+    SceInt32 res = 0;
+
+    if (!mutex) {
+        return 0;
+    }
+
+    res = sceKernelTryLockLwMutex(&mutex->lock, 1);
+    switch (res) {
+    case SCE_KERNEL_ERROR_OK:
+        return 0;
+        break;
+    case SCE_KERNEL_ERROR_WAIT_TIMEOUT:
+        return SDL_MUTEX_TIMEDOUT;
+        break;
+    default:
+        return SDL_SetError("Error trying to lock mutex: %lx", res);
+        break;
+    }
+
+    return -1;
+#endif /* SDL_THREADS_DISABLED */
+}
+
+/* Unlock the mutex */
+int SDL_UnlockMutex(SDL_mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS /* clang doesn't know about NULL mutexes */
+{
+#ifdef SDL_THREADS_DISABLED
+    return 0;
+#else
+    SceInt32 res = 0;
+
+    if (mutex == NULL) {
+        return 0;
+    }
+
+    res = sceKernelUnlockLwMutex(&mutex->lock, 1);
+    if (res != 0) {
+        return SDL_SetError("Error trying to unlock mutex: %lx", res);
+    }
+
+    return 0;
+#endif /* SDL_THREADS_DISABLED */
+}
+
+#endif /* SDL_THREAD_PSP */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/thread/psp/SDL_sysmutex_c.h

@@ -0,0 +1,22 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+#include "../../SDL_internal.h"
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/thread/psp/SDL_syssem.c

@@ -0,0 +1,160 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_THREAD_PSP
+
+/* Semaphore functions for the PSP. */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "SDL_error.h"
+#include "SDL_thread.h"
+
+#include <pspthreadman.h>
+#include <pspkerror.h>
+
+struct SDL_semaphore
+{
+    SceUID semid;
+};
+
+/* Create a semaphore */
+SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
+{
+    SDL_sem *sem;
+
+    sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
+    if (sem) {
+        /* TODO: Figure out the limit on the maximum value. */
+        sem->semid = sceKernelCreateSema("SDL sema", 0, initial_value, 255, NULL);
+        if (sem->semid < 0) {
+            SDL_SetError("Couldn't create semaphore");
+            SDL_free(sem);
+            sem = NULL;
+        }
+    } else {
+        SDL_OutOfMemory();
+    }
+
+    return sem;
+}
+
+/* Free the semaphore */
+void SDL_DestroySemaphore(SDL_sem *sem)
+{
+    if (sem) {
+        if (sem->semid > 0) {
+            sceKernelDeleteSema(sem->semid);
+            sem->semid = 0;
+        }
+
+        SDL_free(sem);
+    }
+}
+
+/* TODO: This routine is a bit overloaded.
+ * If the timeout is 0 then just poll the semaphore; if it's SDL_MUTEX_MAXWAIT, pass
+ * NULL to sceKernelWaitSema() so that it waits indefinitely; and if the timeout
+ * is specified, convert it to microseconds. */
+int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
+{
+    Uint32 *pTimeout;
+    int res;
+
+    if (!sem) {
+        return SDL_InvalidParamError("sem");
+    }
+
+    if (timeout == 0) {
+        res = sceKernelPollSema(sem->semid, 1);
+        if (res < 0) {
+            return SDL_MUTEX_TIMEDOUT;
+        }
+        return 0;
+    }
+
+    if (timeout == SDL_MUTEX_MAXWAIT) {
+        pTimeout = NULL;
+    } else {
+        timeout *= 1000; /* Convert to microseconds. */
+        pTimeout = &timeout;
+    }
+
+    res = sceKernelWaitSema(sem->semid, 1, (SceUInt *)pTimeout);
+    switch (res) {
+    case SCE_KERNEL_ERROR_OK:
+        return 0;
+    case SCE_KERNEL_ERROR_WAIT_TIMEOUT:
+        return SDL_MUTEX_TIMEDOUT;
+    default:
+        return SDL_SetError("sceKernelWaitSema() failed");
+    }
+}
+
+int SDL_SemTryWait(SDL_sem *sem)
+{
+    return SDL_SemWaitTimeout(sem, 0);
+}
+
+int SDL_SemWait(SDL_sem *sem)
+{
+    return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT);
+}
+
+/* Returns the current count of the semaphore */
+Uint32 SDL_SemValue(SDL_sem *sem)
+{
+    SceKernelSemaInfo info;
+
+    if (!sem) {
+        SDL_InvalidParamError("sem");
+        return 0;
+    }
+
+    if (sceKernelReferSemaStatus(sem->semid, &info) >= 0) {
+        return info.currentCount;
+    }
+
+    return 0;
+}
+
+int SDL_SemPost(SDL_sem *sem)
+{
+    int res;
+
+    if (!sem) {
+        return SDL_InvalidParamError("sem");
+    }
+
+    res = sceKernelSignalSema(sem->semid, 1);
+    if (res < 0) {
+        return SDL_SetError("sceKernelSignalSema() failed");
+    }
+
+    return 0;
+}
+
+#endif /* SDL_THREAD_PSP */
+
+/* vim: ts=4 sw=4
+ */

vendor/sdl-2.30.5/src/thread/psp/SDL_systhread.c

@@ -0,0 +1,112 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_THREAD_PSP
+
+/* PSP thread management routines for SDL */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "SDL_error.h"
+#include "SDL_thread.h"
+#include "../SDL_systhread.h"
+#include "../SDL_thread_c.h"
+#include <pspkerneltypes.h>
+#include <pspthreadman.h>
+
+static int ThreadEntry(SceSize args, void *argp)
+{
+    SDL_RunThread(*(SDL_Thread **)argp);
+    return 0;
+}
+
+int SDL_SYS_CreateThread(SDL_Thread *thread)
+{
+    SceKernelThreadInfo status;
+    int priority = 32;
+
+    /* Set priority of new thread to the same as the current thread */
+    status.size = sizeof(SceKernelThreadInfo);
+    if (sceKernelReferThreadStatus(sceKernelGetThreadId(), &status) == 0) {
+        priority = status.currentPriority;
+    }
+
+    thread->handle = sceKernelCreateThread(thread->name, ThreadEntry,
+                                           priority, thread->stacksize ? ((int)thread->stacksize) : 0x8000,
+                                           PSP_THREAD_ATTR_VFPU, NULL);
+    if (thread->handle < 0) {
+        return SDL_SetError("sceKernelCreateThread() failed");
+    }
+
+    sceKernelStartThread(thread->handle, 4, &thread);
+    return 0;
+}
+
+void SDL_SYS_SetupThread(const char *name)
+{
+    /* Do nothing. */
+}
+
+SDL_threadID SDL_ThreadID(void)
+{
+    return (SDL_threadID)sceKernelGetThreadId();
+}
+
+void SDL_SYS_WaitThread(SDL_Thread *thread)
+{
+    sceKernelWaitThreadEnd(thread->handle, NULL);
+    sceKernelDeleteThread(thread->handle);
+}
+
+void SDL_SYS_DetachThread(SDL_Thread *thread)
+{
+    /* !!! FIXME: is this correct? */
+    sceKernelDeleteThread(thread->handle);
+}
+
+void SDL_SYS_KillThread(SDL_Thread *thread)
+{
+    sceKernelTerminateDeleteThread(thread->handle);
+}
+
+int SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
+{
+    int value;
+
+    if (priority == SDL_THREAD_PRIORITY_LOW) {
+        value = 111;
+    } else if (priority == SDL_THREAD_PRIORITY_HIGH) {
+        value = 32;
+    } else if (priority == SDL_THREAD_PRIORITY_TIME_CRITICAL) {
+        value = 16;
+    } else {
+        value = 50;
+    }
+
+    return sceKernelChangeThreadPriority(sceKernelGetThreadId(), value);
+}
+
+#endif /* SDL_THREAD_PSP */
+
+/* vim: ts=4 sw=4
+ */

vendor/sdl-2.30.5/src/thread/psp/SDL_systhread_c.h

@@ -0,0 +1,24 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+
+#include <pspkerneltypes.h>
+
+typedef SceUID SYS_ThreadHandle;