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Moved raw input event processing from the main thread to the joystick thread

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This allows fast joystick event delivery regardless of what the main thread is doing.
This commit is contained in:
Sam Lantinga 2020-11-27 13:08:40 -08:00
parent 4fbefbe20d
commit a0c5bfa3bd
6 changed files with 125 additions and 127 deletions
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19
src/joystick/windows/SDL_windowsjoystick.c
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@ -49,6 +49,7 @@
#include "SDL_windowsjoystick_c.h"
#include "SDL_dinputjoystick_c.h"
#include "SDL_xinputjoystick_c.h"
#include "SDL_rawinputjoystick_c.h"
#include "../../haptic/windows/SDL_dinputhaptic_c.h" /* For haptic hot plugging */
#include "../../haptic/windows/SDL_xinputhaptic_c.h" /* For haptic hot plugging */
@ -109,9 +110,9 @@ typedef struct
/* windowproc for our joystick detect thread message only window, to detect any USB device addition/removal */
static LRESULT CALLBACK
SDL_PrivateJoystickDetectProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
SDL_PrivateJoystickDetectProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (message) {
switch (msg) {
case WM_DEVICECHANGE:
switch (wParam) {
case DBT_DEVICEARRIVAL:
@ -130,12 +131,20 @@ SDL_PrivateJoystickDetectProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
#if SDL_JOYSTICK_RAWINPUT
return CallWindowProc(RAWINPUT_WindowProc, hwnd, msg, wParam, lParam);
#else
return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
#endif
}
static void
SDL_CleanupDeviceNotification(SDL_DeviceNotificationData *data)
{
#if SDL_JOYSTICK_RAWINPUT
RAWINPUT_UnregisterNotifications();
#endif
if (data->hNotify)
UnregisterDeviceNotification(data->hNotify);
@ -188,6 +197,10 @@ SDL_CreateDeviceNotification(SDL_DeviceNotificationData *data)
SDL_CleanupDeviceNotification(data);
return -1;
}
#if SDL_JOYSTICK_RAWINPUT
RAWINPUT_RegisterNotifications(data->messageWindow);
#endif
return 0;
}