diff options
Diffstat (limited to '3rdparty/SDL2/src/core/windows/SDL_xinput.c')
-rw-r--r-- | 3rdparty/SDL2/src/core/windows/SDL_xinput.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/3rdparty/SDL2/src/core/windows/SDL_xinput.c b/3rdparty/SDL2/src/core/windows/SDL_xinput.c deleted file mode 100644 index 355cd83436d..00000000000 --- a/3rdparty/SDL2/src/core/windows/SDL_xinput.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#include "SDL_assert.h" -#include "SDL_xinput.h" - - -#ifdef HAVE_XINPUT_H - -XInputGetState_t SDL_XInputGetState = NULL; -XInputSetState_t SDL_XInputSetState = NULL; -XInputGetCapabilities_t SDL_XInputGetCapabilities = NULL; -XInputGetBatteryInformation_t SDL_XInputGetBatteryInformation = NULL; -DWORD SDL_XInputVersion = 0; - -static HANDLE s_pXInputDLL = 0; -static int s_XInputDLLRefCount = 0; - - -#ifdef __WINRT__ - -int -WIN_LoadXInputDLL(void) -{ - /* Getting handles to system dlls (via LoadLibrary and its variants) is not - * supported on WinRT, thus, pointers to XInput's functions can't be - * retrieved via GetProcAddress. - * - * When on WinRT, assume that XInput is already loaded, and directly map - * its XInput.h-declared functions to the SDL_XInput* set of function - * pointers. - * - * Side-note: XInputGetStateEx is not available for use in WinRT. - * This seems to mean that support for the guide button is not available - * in WinRT, unfortunately. - */ - SDL_XInputGetState = (XInputGetState_t)XInputGetState; - SDL_XInputSetState = (XInputSetState_t)XInputSetState; - SDL_XInputGetCapabilities = (XInputGetCapabilities_t)XInputGetCapabilities; - SDL_XInputGetBatteryInformation = (XInputGetBatteryInformation_t)XInputGetBatteryInformation; - - /* XInput 1.4 ships with Windows 8 and 8.1: */ - SDL_XInputVersion = (1 << 16) | 4; - - return 0; -} - -void -WIN_UnloadXInputDLL(void) -{ -} - -#else /* !__WINRT__ */ - -int -WIN_LoadXInputDLL(void) -{ - DWORD version = 0; - - if (s_pXInputDLL) { - SDL_assert(s_XInputDLLRefCount > 0); - s_XInputDLLRefCount++; - return 0; /* already loaded */ - } - - version = (1 << 16) | 4; - s_pXInputDLL = LoadLibrary(L"XInput1_4.dll"); /* 1.4 Ships with Windows 8. */ - if (!s_pXInputDLL) { - version = (1 << 16) | 3; - s_pXInputDLL = LoadLibrary(L"XInput1_3.dll"); /* 1.3 can be installed as a redistributable component. */ - } - if (!s_pXInputDLL) { - s_pXInputDLL = LoadLibrary(L"bin\\XInput1_3.dll"); - } - if (!s_pXInputDLL) { - /* "9.1.0" Ships with Vista and Win7, and is more limited than 1.3+ (e.g. XInputGetStateEx is not available.) */ - s_pXInputDLL = LoadLibrary(L"XInput9_1_0.dll"); - } - if (!s_pXInputDLL) { - return -1; - } - - SDL_assert(s_XInputDLLRefCount == 0); - SDL_XInputVersion = version; - s_XInputDLLRefCount = 1; - - /* 100 is the ordinal for _XInputGetStateEx, which returns the same struct as XinputGetState, but with extra data in wButtons for the guide button, we think... */ - SDL_XInputGetState = (XInputGetState_t)GetProcAddress((HMODULE)s_pXInputDLL, (LPCSTR)100); - if (!SDL_XInputGetState) { - SDL_XInputGetState = (XInputGetState_t)GetProcAddress((HMODULE)s_pXInputDLL, "XInputGetState"); - } - SDL_XInputSetState = (XInputSetState_t)GetProcAddress((HMODULE)s_pXInputDLL, "XInputSetState"); - SDL_XInputGetCapabilities = (XInputGetCapabilities_t)GetProcAddress((HMODULE)s_pXInputDLL, "XInputGetCapabilities"); - SDL_XInputGetBatteryInformation = (XInputGetBatteryInformation_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputGetBatteryInformation" ); - if (!SDL_XInputGetState || !SDL_XInputSetState || !SDL_XInputGetCapabilities) { - WIN_UnloadXInputDLL(); - return -1; - } - - return 0; -} - -void -WIN_UnloadXInputDLL(void) -{ - if (s_pXInputDLL) { - SDL_assert(s_XInputDLLRefCount > 0); - if (--s_XInputDLLRefCount == 0) { - FreeLibrary(s_pXInputDLL); - s_pXInputDLL = NULL; - } - } else { - SDL_assert(s_XInputDLLRefCount == 0); - } -} - -#endif /* __WINRT__ */ -#endif /* HAVE_XINPUT_H */ - -/* vi: set ts=4 sw=4 expandtab: */ |