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Win32: Update GUID for SDL newer format

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This commit is contained in:
Felipe Jorge 2025-07-15 11:59:33 -03:00
parent d11cb3779b
commit 52243c2ff4
3 changed files with 44 additions and 4 deletions
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3
src/win32_init.c
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@ -126,6 +126,9 @@ static GLFWbool loadLibraries(void)
{
_glfw.win32.xinput.GetCapabilities = (PFN_XInputGetCapabilities)
_glfwPlatformGetModuleSymbol(_glfw.win32.xinput.instance, "XInputGetCapabilities");
// 108 is the ordinal for _XInputGetCapabilitiesEx, which additionally returns VID/PID of the controller.
_glfw.win32.xinput.GetCapabilitiesEx = (PFN_XInputGetCapabilitiesEx)
_glfwPlatformGetModuleSymbol(_glfw.win32.xinput.instance, (LPCSTR)108);
_glfw.win32.xinput.GetState = (PFN_XInputGetState)
_glfwPlatformGetModuleSymbol(_glfw.win32.xinput.instance, "XInputGetState");

29
src/win32_joystick.c
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@ -519,12 +519,33 @@ void _glfwDetectJoystickConnectionWin32(void)
if (jid <= GLFW_JOYSTICK_LAST)
continue;
if (XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS)
if (XInputGetCapabilities(index, XINPUT_FLAG_GAMEPAD, &xic) != ERROR_SUCCESS)
continue;
// Generate a joystick GUID that matches the SDL 2.0.5+ one
sprintf(guid, "78696e707574%02x000000000000000000",
xic.SubType & 0xff);
GLFW_XINPUT_CAPABILITIES_EX xic_ex;
if (!XInputGetCapabilitiesEx || XInputGetCapabilitiesEx(1, index, 0, &xic_ex) != ERROR_SUCCESS)
{
// use a generic VID/PID representing an XInput controller
xic_ex.VendorId = USB_VENDOR_MICROSOFT;
xic_ex.ProductId = USB_PRODUCT_XBOX360_XUSB_CONTROLLER;
xic_ex.VersionNumber = 0;
}
else
{
// fixup for Wireless Xbox 360 Controller
if (xic_ex.ProductId == 0 && xic_ex.Capabilities.Flags & XINPUT_CAPS_WIRELESS)
{
xic_ex.VendorId = USB_VENDOR_MICROSOFT;
xic_ex.ProductId = USB_PRODUCT_XBOX360_XUSB_CONTROLLER;
}
}
// Generate a joystick GUID that matches the SDL one
// SDL_xinputjoystick.c:207
uint8_t* vid = (uint8_t*)&xic_ex.VendorId;
uint8_t* pid = (uint8_t*)&xic_ex.ProductId;
uint8_t* ver = (uint8_t*)&xic_ex.VersionNumber;
sprintf(guid, "03000000%02x%02x0000%02x%02x0000%02x%02x0000", vid[0], vid[1], pid[0], pid[1], ver[0], ver[1]);
js = _glfwAllocJoystick(getDeviceDescription(&xic), guid, 6, 10, 1);
if (!js)

16
src/win32_platform.h
View File

@ -216,11 +216,26 @@ typedef enum
#define ERROR_INVALID_PROFILE_ARB 0x2096
#define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
// this struct might not defined in XInput headers
typedef struct
{
XINPUT_CAPABILITIES Capabilities;
WORD VendorId;
WORD ProductId;
WORD VersionNumber;
WORD unk1;
DWORD unk2;
} GLFW_XINPUT_CAPABILITIES_EX;
// xinput.dll function pointer typedefs
typedef DWORD (WINAPI * PFN_XInputGetCapabilities)(DWORD,DWORD,XINPUT_CAPABILITIES*);
typedef DWORD (WINAPI * PFN_XInputGetCapabilitiesEx)(DWORD,DWORD,DWORD,GLFW_XINPUT_CAPABILITIES_EX*);
typedef DWORD (WINAPI * PFN_XInputGetState)(DWORD,XINPUT_STATE*);
#define XInputGetCapabilities _glfw.win32.xinput.GetCapabilities
#define XInputGetCapabilitiesEx _glfw.win32.xinput.GetCapabilitiesEx
#define XInputGetState _glfw.win32.xinput.GetState
#define USB_VENDOR_MICROSOFT 0x045e
#define USB_PRODUCT_XBOX360_XUSB_CONTROLLER 0x02a1 // XUSB driver software PID
// dinput8.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_DirectInput8Create)(HINSTANCE,DWORD,REFIID,LPVOID*,LPUNKNOWN);
@ -412,6 +427,7 @@ typedef struct _GLFWlibraryWin32
struct {
HINSTANCE instance;
PFN_XInputGetCapabilities GetCapabilities;
PFN_XInputGetCapabilitiesEx GetCapabilitiesEx;
PFN_XInputGetState GetState;
} xinput;