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winebus.sys: Support adding and removing SDL devices. 

Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Aric Stewart 2018-02-21 06:55:50 -06:00 committed by Alexandre Julliard
parent f8c0228dc2
commit 752de1b566
1 changed files with 289 additions and 1 deletions
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290
dlls/winebus.sys/bus_sdl.c
View File

@ -19,10 +19,17 @@
*/
#include "config.h"
#include "wine/port.h"
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SDL2_SDL_H
# include <SDL2/SDL.h>
#endif
#define NONAMELESSUNION
@ -33,7 +40,17 @@
#include "winnls.h"
#include "winternl.h"
#include "ddk/wdm.h"
#include "ddk/hidtypes.h"
#include "wine/library.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "hidusage.h"
#ifdef WORDS_BIGENDIAN
# define LE_WORD(x) RtlUshortByteSwap(x)
#else
# define LE_WORD(x) (x)
#endif
#include "bus.h"
@ -41,9 +58,280 @@ WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
#ifdef SONAME_LIBSDL2
WINE_DECLARE_DEBUG_CHANNEL(hid_report);
static DRIVER_OBJECT *sdl_driver_obj = NULL;
static const WCHAR sdl_busidW[] = {'S','D','L','J','O','Y',0};
#include "initguid.h"
DEFINE_GUID(GUID_DEVCLASS_SDL, 0x463d60b5,0x802b,0x4bb2,0x8f,0xdb,0x7d,0xa9,0xb9,0x96,0x04,0xd8);
static void *sdl_handle = NULL;
#ifdef SONAME_LIBSDL2
#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
MAKE_FUNCPTR(SDL_GetError);
MAKE_FUNCPTR(SDL_Init);
MAKE_FUNCPTR(SDL_JoystickEventState);
MAKE_FUNCPTR(SDL_JoystickGetGUID);
MAKE_FUNCPTR(SDL_JoystickGetGUIDString);
MAKE_FUNCPTR(SDL_JoystickInstanceID);
MAKE_FUNCPTR(SDL_JoystickName);
MAKE_FUNCPTR(SDL_JoystickNumAxes);
MAKE_FUNCPTR(SDL_JoystickOpen);
MAKE_FUNCPTR(SDL_WaitEvent);
#endif
static Uint16 (*pSDL_JoystickGetProduct)(SDL_Joystick * joystick);
static Uint16 (*pSDL_JoystickGetProductVersion)(SDL_Joystick * joystick);
static Uint16 (*pSDL_JoystickGetVendor)(SDL_Joystick * joystick);
struct platform_private
{
SDL_Joystick *sdl_joystick;
SDL_JoystickID id;
};
static inline struct platform_private *impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
{
return (struct platform_private *)get_platform_private(device);
}
static int compare_platform_device(DEVICE_OBJECT *device, void *platform_dev)
{
SDL_JoystickID id1 = impl_from_DEVICE_OBJECT(device)->id;
SDL_JoystickID id2 = PtrToUlong(platform_dev);
return (id1 != id2);
}
static NTSTATUS get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
{
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
{
struct platform_private *ext = impl_from_DEVICE_OBJECT(device);
const char* str = NULL;
switch (index)
{
case HID_STRING_ID_IPRODUCT:
str = pSDL_JoystickName(ext->sdl_joystick);
break;
case HID_STRING_ID_IMANUFACTURER:
str = "SDL";
break;
case HID_STRING_ID_ISERIALNUMBER:
str = "000000";
break;
default:
ERR("Unhandled string index %i\n", index);
}
if (str && str[0])
MultiByteToWideChar(CP_ACP, 0, str, -1, buffer, length);
else
buffer[0] = 0;
return STATUS_SUCCESS;
}
static NTSTATUS begin_report_processing(DEVICE_OBJECT *device)
{
return STATUS_SUCCESS;
}
static NTSTATUS set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
*written = 0;
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
{
*read = 0;
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
*written = 0;
return STATUS_NOT_IMPLEMENTED;
}
static const platform_vtbl sdl_vtbl =
{
compare_platform_device,
get_reportdescriptor,
get_string,
begin_report_processing,
set_output_report,
get_feature_report,
set_feature_report,
};
static void try_remove_device(SDL_JoystickID index)
{
DEVICE_OBJECT *device = NULL;
device = bus_find_hid_device(&sdl_vtbl, ULongToPtr(index));
if (!device) return;
IoInvalidateDeviceRelations(device, RemovalRelations);
bus_remove_hid_device(device);
}
static void try_add_device(SDL_JoystickID index)
{
DWORD vid = 0, pid = 0, version = 0;
DEVICE_OBJECT *device = NULL;
WCHAR serial[34] = {0};
char guid_str[34];
BOOL is_xbox_gamepad;
int button_count, axis_count;
SDL_Joystick* joystick;
SDL_JoystickID id;
SDL_JoystickGUID guid;
if ((joystick = pSDL_JoystickOpen(index)) == NULL)
{
WARN("Unable to open sdl device %i: %s\n", index, pSDL_GetError());
return;
}
id = index;
if (pSDL_JoystickGetProductVersion != NULL) {
vid = pSDL_JoystickGetVendor(joystick);
pid = pSDL_JoystickGetProduct(joystick);
version = pSDL_JoystickGetProductVersion(joystick);
}
else
{
vid = 0x01;
pid = pSDL_JoystickInstanceID(joystick) + 1;
version = 0;
}
guid = pSDL_JoystickGetGUID(joystick);
pSDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str));
MultiByteToWideChar(CP_ACP, 0, guid_str, -1, serial, sizeof(guid_str));
TRACE("Found sdl device %i (vid %04x, pid %04x, version %u, serial %s)\n",
index, vid, pid, version, debugstr_w(serial));
axis_count = pSDL_JoystickNumAxes(joystick);
button_count = pSDL_JoystickNumAxes(joystick);
is_xbox_gamepad = (axis_count == 6 && button_count >= 14);
device = bus_create_hid_device(sdl_driver_obj, sdl_busidW, vid, pid, version, 0, serial, is_xbox_gamepad, &GUID_DEVCLASS_SDL, &sdl_vtbl, sizeof(struct platform_private));
if (device)
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
private->sdl_joystick = joystick;
private->id = id;
IoInvalidateDeviceRelations(device, BusRelations);
}
else
{
WARN("Ignoring device %i\n", index);
}
}
static void process_device_event(SDL_Event *event)
{
TRACE_(hid_report)("Received action %x\n", event->type);
if (event->type == SDL_JOYDEVICEADDED)
try_add_device(((SDL_JoyDeviceEvent*)event)->which);
else if (event->type == SDL_JOYDEVICEREMOVED)
try_remove_device(((SDL_JoyDeviceEvent*)event)->which);
}
static DWORD CALLBACK deviceloop_thread(void *args)
{
HANDLE init_done = args;
SDL_Event event;
if (pSDL_Init(SDL_INIT_JOYSTICK) < 0)
{
ERR("Can't Init SDL\n");
return STATUS_UNSUCCESSFUL;
}
pSDL_JoystickEventState(SDL_ENABLE);
SetEvent(init_done);
while (1)
while (pSDL_WaitEvent(&event) != 0)
process_device_event(&event);
TRACE("Device thread exiting\n");
return 0;
}
NTSTATUS WINAPI sdl_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path)
{
FIXME("STUB: (%p, %s)\n", driver, debugstr_w(registry_path->Buffer));
HANDLE events[2];
DWORD result;
TRACE("(%p, %s)\n", driver, debugstr_w(registry_path->Buffer));
if (sdl_handle == NULL)
{
sdl_handle = wine_dlopen(SONAME_LIBSDL2, RTLD_NOW, NULL, 0);
if (!sdl_handle) {
WARN("could not load %s\n", SONAME_LIBSDL2);
sdl_driver_obj = NULL;
return STATUS_UNSUCCESSFUL;
}
#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(sdl_handle, #f, NULL, 0)) == NULL){WARN("Can't find symbol %s\n", #f); goto sym_not_found;}
LOAD_FUNCPTR(SDL_GetError);
LOAD_FUNCPTR(SDL_Init);
LOAD_FUNCPTR(SDL_JoystickEventState);
LOAD_FUNCPTR(SDL_JoystickGetGUID);
LOAD_FUNCPTR(SDL_JoystickGetGUIDString);
LOAD_FUNCPTR(SDL_JoystickInstanceID);
LOAD_FUNCPTR(SDL_JoystickName);
LOAD_FUNCPTR(SDL_JoystickNumAxes);
LOAD_FUNCPTR(SDL_JoystickOpen);
LOAD_FUNCPTR(SDL_WaitEvent);
#undef LOAD_FUNCPTR
pSDL_JoystickGetProduct = wine_dlsym(sdl_handle, "SDL_JoystickGetProduct", NULL, 0);
pSDL_JoystickGetProductVersion = wine_dlsym(sdl_handle, "SDL_JoystickGetProductVersion", NULL, 0);
pSDL_JoystickGetVendor = wine_dlsym(sdl_handle, "SDL_JoystickGetVendor", NULL, 0);
}
sdl_driver_obj = driver;
driver->MajorFunction[IRP_MJ_PNP] = common_pnp_dispatch;
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = hid_internal_dispatch;
if (!(events[0] = CreateEventW(NULL, TRUE, FALSE, NULL)))
goto error;
if (!(events[1] = CreateThread(NULL, 0, deviceloop_thread, events[0], 0, NULL)))
{
CloseHandle(events[0]);
goto error;
}
result = WaitForMultipleObjects(2, events, FALSE, INFINITE);
CloseHandle(events[0]);
CloseHandle(events[1]);
if (result == WAIT_OBJECT_0)
{
TRACE("Initialization successful\n");
return STATUS_SUCCESS;
}
error:
sdl_driver_obj = NULL;
return STATUS_UNSUCCESSFUL;
sym_not_found:
wine_dlclose(sdl_handle, NULL, 0);
sdl_handle = NULL;
return STATUS_UNSUCCESSFUL;
}