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Merge commit 'dec0d4ec4153bf9fc2b78ae6c2df45b6ea8dde7a' as 'external/sdl/SDL'

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Green Sky
2023-07-25 22:27:55 +02:00
parent b38ea75e56 dec0d4ec41
commit b8e444eaa8
1663 changed files with 627495 additions and 0 deletions
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145
external/sdl/SDL/src/thread/ps2/SDL_syssem.c vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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_PS2
/* Semaphore functions for the PS2. */
#include <stdio.h>
#include <stdlib.h>
#include <timer_alarm.h>
#include <kernel.h>
struct SDL_Semaphore
{
s32 semid;
};
static void usercb(struct timer_alarm_t *alarm, void *arg)
{
iReleaseWaitThread((int)arg);
}
/* Create a semaphore */
SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
{
SDL_Semaphore *sem;
ee_sema_t sema;
sem = (SDL_Semaphore *)SDL_malloc(sizeof(*sem));
if (sem != NULL) {
/* TODO: Figure out the limit on the maximum value. */
sema.init_count = initial_value;
sema.max_count = 255;
sema.option = 0;
sem->semid = CreateSema(&sema);
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_Semaphore *sem)
{
if (sem != NULL) {
if (sem->semid > 0) {
DeleteSema(sem->semid);
sem->semid = 0;
}
SDL_free(sem);
}
}
int SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS)
{
int ret;
struct timer_alarm_t alarm;
InitializeTimerAlarm(&alarm);
if (sem == NULL) {
return SDL_InvalidParamError("sem");
}
if (timeoutNS == 0) {
if (PollSema(sem->semid) < 0) {
return SDL_MUTEX_TIMEDOUT;
}
return 0;
}
if (timeoutNS != SDL_MUTEX_MAXWAIT) {
SetTimerAlarm(&alarm, MSec2TimerBusClock(SDL_NS_TO_MS(timeoutNS)), &usercb, (void *)GetThreadId());
}
ret = WaitSema(sem->semid);
StopTimerAlarm(&alarm);
if (ret < 0) {
return SDL_MUTEX_TIMEDOUT;
}
return 0; // Wait condition satisfied.
}
/* Returns the current count of the semaphore */
Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
{
ee_sema_t info;
if (sem == NULL) {
SDL_InvalidParamError("sem");
return 0;
}
if (ReferSemaStatus(sem->semid, &info) >= 0) {
return info.count;
}
return 0;
}
int SDL_PostSemaphore(SDL_Semaphore *sem)
{
int res;
if (sem == NULL) {
return SDL_InvalidParamError("sem");
}
res = SignalSema(sem->semid);
if (res < 0) {
return SDL_SetError("sceKernelSignalSema() failed");
}
return 0;
}
#endif /* SDL_THREAD_PS2 */

135
external/sdl/SDL/src/thread/ps2/SDL_systhread.c vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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_PS2
/* PS2 thread management routines for SDL */
#include <stdio.h>
#include <stdlib.h>
#include "../SDL_systhread.h"
#include "../SDL_thread_c.h"
#include <kernel.h>
static void FinishThread(SDL_Thread *thread)
{
ee_thread_status_t info;
int res;
res = ReferThreadStatus(thread->handle, &info);
TerminateThread(thread->handle);
DeleteThread(thread->handle);
DeleteSema((int)thread->endfunc);
if (res > 0) {
SDL_free(info.stack);
}
}
static int childThread(void *arg)
{
SDL_Thread *thread = (SDL_Thread *)arg;
int res = thread->userfunc(thread->userdata);
SignalSema((int)thread->endfunc);
return res;
}
int SDL_SYS_CreateThread(SDL_Thread *thread)
{
ee_thread_status_t status;
ee_thread_t eethread;
ee_sema_t sema;
size_t stack_size;
int priority = 32;
/* Set priority of new thread to the same as the current thread */
// status.size = sizeof(ee_thread_t);
if (ReferThreadStatus(GetThreadId(), &status) == 0) {
priority = status.current_priority;
}
stack_size = thread->stacksize ? ((int)thread->stacksize) : 0x1800;
/* Create EE Thread */
eethread.attr = 0;
eethread.option = 0;
eethread.func = &childThread;
eethread.stack = SDL_malloc(stack_size);
eethread.stack_size = stack_size;
eethread.gp_reg = &_gp;
eethread.initial_priority = priority;
thread->handle = CreateThread(&eethread);
if (thread->handle < 0) {
return SDL_SetError("CreateThread() failed");
}
// Prepare el semaphore for the ending function
sema.init_count = 0;
sema.max_count = 1;
sema.option = 0;
thread->endfunc = (void *)CreateSema(&sema);
return StartThread(thread->handle, thread);
}
void SDL_SYS_SetupThread(const char *name)
{
/* Do nothing. */
}
SDL_threadID SDL_ThreadID(void)
{
return (SDL_threadID)GetThreadId();
}
void SDL_SYS_WaitThread(SDL_Thread *thread)
{
WaitSema((int)thread->endfunc);
ReleaseWaitThread(thread->handle);
FinishThread(thread);
}
void SDL_SYS_DetachThread(SDL_Thread *thread)
{
/* Do nothing. */
}
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 ChangeThreadPriority(GetThreadId(), value);
}
#endif /* SDL_THREAD_PS2 */

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external/sdl/SDL/src/thread/ps2/SDL_systhread_c.h vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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 <stdint.h>
typedef int32_t SYS_ThreadHandle;