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Fix support for Windows XP and up (#13904)

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This commit is contained in:
nightmareci
2025-09-08 13:00:26 -07:00
committed by GitHub
parent 3f196c0abe
commit 2f5bc17ea6
32 changed files with 1096 additions and 561 deletions
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126
src/timer/windows/SDL_systimer.c
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@@ -24,54 +24,27 @@
#include "../../core/windows/SDL_windows.h"
/* CREATE_WAITABLE_TIMER_HIGH_RESOLUTION flag was added in Windows 10 version 1803. */
#ifndef CREATE_WAITABLE_TIMER_HIGH_RESOLUTION
#define CREATE_WAITABLE_TIMER_HIGH_RESOLUTION 0x2
#endif
Uint64 SDL_GetPerformanceCounter(void)
{
LARGE_INTEGER counter;
const BOOL rc = QueryPerformanceCounter(&counter);
SDL_assert(rc != 0); // this should _never_ fail if you're on XP or later.
return (Uint64)counter.QuadPart;
}
typedef HANDLE (WINAPI *CreateWaitableTimerExW_t)(LPSECURITY_ATTRIBUTES lpTimerAttributes, LPCWSTR lpTimerName, DWORD dwFlags, DWORD dwDesiredAccess);
static CreateWaitableTimerExW_t pCreateWaitableTimerExW;
typedef BOOL (WINAPI *SetWaitableTimerEx_t)(HANDLE hTimer, const LARGE_INTEGER *lpDueTime, LONG lPeriod, PTIMERAPCROUTINE pfnCompletionRoutine, LPVOID lpArgToCompletionRoutine, PREASON_CONTEXT WakeContext, ULONG TolerableDelay);
static SetWaitableTimerEx_t pSetWaitableTimerEx;
Uint64 SDL_GetPerformanceFrequency(void)
{
LARGE_INTEGER frequency;
const BOOL rc = QueryPerformanceFrequency(&frequency);
SDL_assert(rc != 0); // this should _never_ fail if you're on XP or later.
return (Uint64)frequency.QuadPart;
}
static void SDL_CleanupWaitableHandle(void *handle)
{
CloseHandle(handle);
}
static HANDLE SDL_GetWaitableTimer(void)
{
static SDL_TLSID TLS_timer_handle;
HANDLE timer;
if (!pCreateWaitableTimerExW || !pSetWaitableTimerEx) {
static bool initialized;
if (!initialized) {
HMODULE module = GetModuleHandle(TEXT("kernel32.dll"));
if (module) {
pCreateWaitableTimerExW = (CreateWaitableTimerExW_t)GetProcAddress(module, "CreateWaitableTimerExW");
pSetWaitableTimerEx = (SetWaitableTimerEx_t)GetProcAddress(module, "SetWaitableTimerEx");
}
initialized = true;
}
if (!pCreateWaitableTimerExW || !pSetWaitableTimerEx) {
return NULL;
}
}
timer = SDL_GetTLS(&TLS_timer_handle);
if (!timer) {
timer = pCreateWaitableTimerExW(NULL, NULL, CREATE_WAITABLE_TIMER_HIGH_RESOLUTION, TIMER_ALL_ACCESS);
if (timer) {
SDL_SetTLS(&TLS_timer_handle, timer, SDL_CleanupWaitableHandle);
}
}
return timer;
}
static HANDLE SDL_GetWaitableEvent(void)
{
static SDL_TLSID TLS_event_handle;
@@ -87,20 +60,65 @@ static HANDLE SDL_GetWaitableEvent(void)
return event;
}
Uint64 SDL_GetPerformanceCounter(void)
{
LARGE_INTEGER counter;
const BOOL rc = QueryPerformanceCounter(&counter);
SDL_assert(rc != 0); // this should _never_ fail if you're on XP or later.
return (Uint64)counter.QuadPart;
}
/* CREATE_WAITABLE_TIMER_HIGH_RESOLUTION flag was added in Windows 10 version 1803. */
#ifndef CREATE_WAITABLE_TIMER_HIGH_RESOLUTION
#define CREATE_WAITABLE_TIMER_HIGH_RESOLUTION 0x2
#endif
Uint64 SDL_GetPerformanceFrequency(void)
typedef HANDLE (WINAPI *pfnCreateWaitableTimerExW)(LPSECURITY_ATTRIBUTES lpTimerAttributes, LPCWSTR lpTimerName, DWORD dwFlags, DWORD dwDesiredAccess);
static pfnCreateWaitableTimerExW pCreateWaitableTimerExW;
#if WINVER < _WIN32_WINNT_WIN7
typedef struct _REASON_CONTEXT REASON_CONTEXT;
typedef REASON_CONTEXT * PREASON_CONTEXT;
#endif
typedef BOOL (WINAPI *pfnSetWaitableTimerEx)(HANDLE hTimer, const LARGE_INTEGER *lpDueTime, LONG lPeriod, PTIMERAPCROUTINE pfnCompletionRoutine, LPVOID lpArgToCompletionRoutine, PREASON_CONTEXT WakeContext, ULONG TolerableDelay);
static pfnSetWaitableTimerEx pSetWaitableTimerEx;
typedef HANDLE (WINAPI *pfnCreateWaitableTimerW)(LPSECURITY_ATTRIBUTES lpTimerAttributes, BOOL bManualReset, LPCWSTR lpTimerName);
static pfnCreateWaitableTimerW pCreateWaitableTimerW;
typedef BOOL (WINAPI *pfnSetWaitableTimer)(HANDLE hTimer, const LARGE_INTEGER *lpDueTime, LONG lPeriod, PTIMERAPCROUTINE pfnCompletionRoutine, LPVOID lpArgToCompletionRoutine, BOOL fResume);
static pfnSetWaitableTimer pSetWaitableTimer;
static HANDLE SDL_GetWaitableTimer(void)
{
LARGE_INTEGER frequency;
const BOOL rc = QueryPerformanceFrequency(&frequency);
SDL_assert(rc != 0); // this should _never_ fail if you're on XP or later.
return (Uint64)frequency.QuadPart;
static SDL_TLSID TLS_timer_handle;
HANDLE timer;
static bool initialized;
if (!initialized) {
HMODULE module = GetModuleHandle(TEXT("kernel32.dll"));
if (module) {
pCreateWaitableTimerExW = (pfnCreateWaitableTimerExW)GetProcAddress(module, "CreateWaitableTimerExW"); // Windows 7 and up
if (!pCreateWaitableTimerExW) {
pCreateWaitableTimerW = (pfnCreateWaitableTimerW)GetProcAddress(module, "CreateWaitableTimerW");
}
pSetWaitableTimerEx = (pfnSetWaitableTimerEx)GetProcAddress(module, "SetWaitableTimerEx"); // Windows Vista and up
if (!pSetWaitableTimerEx) {
pSetWaitableTimer = (pfnSetWaitableTimer)GetProcAddress(module, "SetWaitableTimer");
}
initialized =
(pCreateWaitableTimerExW || pCreateWaitableTimerW) &&
(pSetWaitableTimerEx || pSetWaitableTimer);
}
if (!initialized) {
return NULL;
}
}
timer = SDL_GetTLS(&TLS_timer_handle);
if (!timer) {
if (pCreateWaitableTimerExW) {
timer = pCreateWaitableTimerExW(NULL, NULL, CREATE_WAITABLE_TIMER_HIGH_RESOLUTION, TIMER_ALL_ACCESS);
} else {
timer = pCreateWaitableTimerW(NULL, TRUE, NULL);
}
if (timer) {
SDL_SetTLS(&TLS_timer_handle, timer, SDL_CleanupWaitableHandle);
}
}
return timer;
}
void SDL_SYS_DelayNS(Uint64 ns)
@@ -109,7 +127,7 @@ void SDL_SYS_DelayNS(Uint64 ns)
if (timer) {
LARGE_INTEGER due_time;
due_time.QuadPart = -((LONGLONG)ns / 100);
if (pSetWaitableTimerEx(timer, &due_time, 0, NULL, NULL, NULL, 0)) {
if ((pSetWaitableTimerEx && pSetWaitableTimerEx(timer, &due_time, 0, NULL, NULL, NULL, 0)) || pSetWaitableTimer(timer, &due_time, 0, NULL, NULL, 0)) {
WaitForSingleObject(timer, INFINITE);
}
return;