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Add SDL_HINT_DIRECTINPUT_ENABLED (on by default)

This commit is contained in:
Jade Macho 2022-06-28 21:03:16 +02:00 committed by Sam Lantinga
parent db7dfece16
commit 6a2e6c82a0
3 changed files with 26 additions and 0 deletions
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9
include/SDL_hints.h
View File

@ -2001,6 +2001,15 @@ extern "C" {
*/ */
#define SDL_HINT_XINPUT_ENABLED "SDL_XINPUT_ENABLED" #define SDL_HINT_XINPUT_ENABLED "SDL_XINPUT_ENABLED"
/**
* \brief A variable that lets you disable the detection and use of DirectInput gamepad devices
*
* The variable can be set to the following values:
* "0" - Disable DirectInput detection (only uses XInput)
* "1" - Enable DirectInput detection (the default)
*/
#define SDL_HINT_DIRECTINPUT_ENABLED "SDL_DIRECTINPUT_ENABLED"
/** /**
* \brief A variable that causes SDL to use the old axis and button mapping for XInput devices. * \brief A variable that causes SDL to use the old axis and button mapping for XInput devices.
* *

6
src/haptic/windows/SDL_dinputhaptic.c
View File

@ -27,6 +27,7 @@
#if SDL_HAPTIC_DINPUT #if SDL_HAPTIC_DINPUT
#include "SDL_hints.h"
#include "SDL_stdinc.h" #include "SDL_stdinc.h"
#include "SDL_timer.h" #include "SDL_timer.h"
#include "SDL_windowshaptic_c.h" #include "SDL_windowshaptic_c.h"
@ -77,6 +78,11 @@ SDL_DINPUT_HapticInit(void)
return SDL_SetError("Haptic: SubSystem already open."); return SDL_SetError("Haptic: SubSystem already open.");
} }
if (!SDL_GetHintBoolean(SDL_HINT_DIRECTINPUT_ENABLED, SDL_TRUE)) {
/* In some environments, IDirectInput8_Initialize / _EnumDevices can take a minute even with no controllers. */
return 0;
}
ret = WIN_CoInitialize(); ret = WIN_CoInitialize();
if (FAILED(ret)) { if (FAILED(ret)) {
return DI_SetError("Coinitialize", ret); return DI_SetError("Coinitialize", ret);

11
src/joystick/windows/SDL_dinputjoystick.c
View File

@ -24,6 +24,7 @@
#if SDL_JOYSTICK_DINPUT #if SDL_JOYSTICK_DINPUT
#include "SDL_hints.h"
#include "SDL_windowsjoystick_c.h" #include "SDL_windowsjoystick_c.h"
#include "SDL_dinputjoystick_c.h" #include "SDL_dinputjoystick_c.h"
#include "SDL_rawinputjoystick_c.h" #include "SDL_rawinputjoystick_c.h"
@ -397,6 +398,12 @@ SDL_DINPUT_JoystickInit(void)
HRESULT result; HRESULT result;
HINSTANCE instance; HINSTANCE instance;
if (!SDL_GetHintBoolean(SDL_HINT_DIRECTINPUT_ENABLED, SDL_TRUE)) {
/* In some environments, IDirectInput8_Initialize / _EnumDevices can take a minute even with no controllers. */
dinput = NULL;
return 0;
}
result = WIN_CoInitialize(); result = WIN_CoInitialize();
if (FAILED(result)) { if (FAILED(result)) {
return SetDIerror("CoInitialize", result); return SetDIerror("CoInitialize", result);
@ -539,6 +546,10 @@ err:
void void
SDL_DINPUT_JoystickDetect(JoyStick_DeviceData **pContext) SDL_DINPUT_JoystickDetect(JoyStick_DeviceData **pContext)
{ {
if (dinput == NULL) {
return;
}
IDirectInput8_EnumDevices(dinput, DI8DEVCLASS_GAMECTRL, EnumJoystickDetectCallback, pContext, DIEDFL_ATTACHEDONLY); IDirectInput8_EnumDevices(dinput, DI8DEVCLASS_GAMECTRL, EnumJoystickDetectCallback, pContext, DIEDFL_ATTACHEDONLY);
} }