From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 27 Dec 2025 12:03:39 -0800
Subject: Initial commit

---
 contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c | 139 ++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c

(limited to 'contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c')

diff --git a/contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c b/contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c
new file mode 100644
index 0000000..344d911
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/thread/vita/SDL_systhread.c
@@ -0,0 +1,139 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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_VITA
+
+// VITA thread management routines for SDL
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../SDL_systhread.h"
+#include "../SDL_thread_c.h"
+#include <psp2/types.h>
+#include <psp2/kernel/threadmgr.h>
+
+#define VITA_THREAD_STACK_SIZE_MIN     0x1000    // 4KiB
+#define VITA_THREAD_STACK_SIZE_MAX     0x2000000 // 32MiB
+#define VITA_THREAD_STACK_SIZE_DEFAULT 0x10000   // 64KiB
+#define VITA_THREAD_NAME_MAX           32
+
+#define VITA_THREAD_PRIORITY_LOW           191
+#define VITA_THREAD_PRIORITY_NORMAL        160
+#define VITA_THREAD_PRIORITY_HIGH          112
+#define VITA_THREAD_PRIORITY_TIME_CRITICAL 64
+
+static int ThreadEntry(SceSize args, void *argp)
+{
+    SDL_RunThread(*(SDL_Thread **)argp);
+    return 0;
+}
+
+bool SDL_SYS_CreateThread(SDL_Thread *thread,
+                          SDL_FunctionPointer pfnBeginThread,
+                          SDL_FunctionPointer pfnEndThread)
+
+{
+    char thread_name[VITA_THREAD_NAME_MAX];
+    size_t stack_size = VITA_THREAD_STACK_SIZE_DEFAULT;
+
+    SDL_strlcpy(thread_name, "SDL thread", VITA_THREAD_NAME_MAX);
+    if (thread->name) {
+        SDL_strlcpy(thread_name, thread->name, VITA_THREAD_NAME_MAX);
+    }
+
+    if (thread->stacksize) {
+        if (thread->stacksize < VITA_THREAD_STACK_SIZE_MIN) {
+            thread->stacksize = VITA_THREAD_STACK_SIZE_MIN;
+        }
+        if (thread->stacksize > VITA_THREAD_STACK_SIZE_MAX) {
+            thread->stacksize = VITA_THREAD_STACK_SIZE_MAX;
+        }
+        stack_size = thread->stacksize;
+    }
+
+    // Create new thread with the same priority as the current thread
+    thread->handle = sceKernelCreateThread(
+        thread_name, // name
+        ThreadEntry, // function to run
+        0,           // priority. 0 means priority of calling thread
+        stack_size,  // stack size
+        0,           // attributes. always 0
+        0,           // cpu affinity mask. 0 = all CPUs
+        NULL         // opt. always NULL
+    );
+
+    if (thread->handle < 0) {
+        return SDL_SetError("sceKernelCreateThread() failed");
+    }
+
+    sceKernelStartThread(thread->handle, 4, &thread);
+    return true;
+}
+
+void SDL_SYS_SetupThread(const char *name)
+{
+    // Do nothing.
+}
+
+SDL_ThreadID SDL_GetCurrentThreadID(void)
+{
+    return (SDL_ThreadID)sceKernelGetThreadId();
+}
+
+void SDL_SYS_WaitThread(SDL_Thread *thread)
+{
+    sceKernelWaitThreadEnd(thread->handle, NULL, NULL);
+    sceKernelDeleteThread(thread->handle);
+}
+
+void SDL_SYS_DetachThread(SDL_Thread *thread)
+{
+    // Do nothing.
+}
+
+bool SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
+{
+    int value = VITA_THREAD_PRIORITY_NORMAL;
+
+    switch (priority) {
+    case SDL_THREAD_PRIORITY_LOW:
+        value = VITA_THREAD_PRIORITY_LOW;
+        break;
+    case SDL_THREAD_PRIORITY_NORMAL:
+        value = VITA_THREAD_PRIORITY_NORMAL;
+        break;
+    case SDL_THREAD_PRIORITY_HIGH:
+        value = VITA_THREAD_PRIORITY_HIGH;
+        break;
+    case SDL_THREAD_PRIORITY_TIME_CRITICAL:
+        value = VITA_THREAD_PRIORITY_TIME_CRITICAL;
+        break;
+    }
+
+    if (sceKernelChangeThreadPriority(0, value) < 0) {
+        return SDL_SetError("sceKernelChangeThreadPriority() failed");
+    }
+    return true;
+}
+
+#endif // SDL_THREAD_VITA
-- 
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