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Win32: Clean up dynamic loading and version checks

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This commit is contained in:
Camilla Löwy 2017-08-29 20:05:44 +02:00
parent 176ab9a5d2
commit 25b7eba4a0
3 changed files with 44 additions and 20 deletions
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14
src/win32_init.c
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@ -85,9 +85,9 @@ static GLFWbool loadLibraries(void)
return GLFW_FALSE; return GLFW_FALSE;
} }
_glfw.win32.user32.SetProcessDPIAware = (PFN_SetProcessDPIAware) _glfw.win32.user32.SetProcessDPIAware_ = (PFN_SetProcessDPIAware)
GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware"); GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware");
_glfw.win32.user32.ChangeWindowMessageFilterEx = (PFN_ChangeWindowMessageFilterEx) _glfw.win32.user32.ChangeWindowMessageFilterEx_ = (PFN_ChangeWindowMessageFilterEx)
GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx"); GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx");
_glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll"); _glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll");
@ -136,7 +136,7 @@ static GLFWbool loadLibraries(void)
_glfw.win32.shcore.instance = LoadLibraryA("shcore.dll"); _glfw.win32.shcore.instance = LoadLibraryA("shcore.dll");
if (_glfw.win32.shcore.instance) if (_glfw.win32.shcore.instance)
{ {
_glfw.win32.shcore.SetProcessDpiAwareness = (PFN_SetProcessDpiAwareness) _glfw.win32.shcore.SetProcessDpiAwareness_ = (PFN_SetProcessDpiAwareness)
GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness"); GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness");
} }
@ -507,10 +507,10 @@ int _glfwPlatformInit(void)
createKeyTables(); createKeyTables();
_glfwUpdateKeyNamesWin32(); _glfwUpdateKeyNamesWin32();
if (_glfw_SetProcessDpiAwareness) if (IsWindows8Point1OrGreater())
_glfw_SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
else if (_glfw_SetProcessDPIAware) else if (IsWindowsVistaOrGreater())
_glfw_SetProcessDPIAware(); SetProcessDPIAware();
if (!_glfwRegisterWindowClassWin32()) if (!_glfwRegisterWindowClassWin32())
return GLFW_FALSE; return GLFW_FALSE;

36
src/win32_platform.h
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@ -122,6 +122,30 @@ typedef enum PROCESS_DPI_AWARENESS
} PROCESS_DPI_AWARENESS; } PROCESS_DPI_AWARENESS;
#endif /*DPI_ENUMS_DECLARED*/ #endif /*DPI_ENUMS_DECLARED*/
// HACK: Define versionhelpers.h functions manually as MinGW lacks the header
FORCEINLINE BOOL IsWindowsVersionOrGreater(WORD major, WORD minor, WORD sp)
{
OSVERSIONINFOEXW osvi = { sizeof(osvi), major, minor, 0, 0, {0}, sp };
DWORD mask = VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR;
ULONGLONG cond = VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL);
cond = VerSetConditionMask(cond, VER_MINORVERSION, VER_GREATER_EQUAL);
cond = VerSetConditionMask(cond, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
return VerifyVersionInfoW(&osvi, mask, cond);
}
#define IsWindowsVistaOrGreater() \
IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), \
LOBYTE(_WIN32_WINNT_VISTA), 0)
#define IsWindows7OrGreater() \
IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7), \
LOBYTE(_WIN32_WINNT_WIN7), 0)
#define IsWindows8OrGreater() \
IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN8), \
LOBYTE(_WIN32_WINNT_WIN8), 0)
#define IsWindows8Point1OrGreater() \
IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINBLUE), \
LOBYTE(_WIN32_WINNT_WINBLUE), 0)
// HACK: Define macros that some xinput.h variants don't // HACK: Define macros that some xinput.h variants don't
#ifndef XINPUT_CAPS_WIRELESS #ifndef XINPUT_CAPS_WIRELESS
#define XINPUT_CAPS_WIRELESS 0x0002 #define XINPUT_CAPS_WIRELESS 0x0002
@ -173,8 +197,8 @@ typedef HRESULT (WINAPI * PFN_DirectInput8Create)(HINSTANCE,DWORD,REFIID,LPVOID*
// user32.dll function pointer typedefs // user32.dll function pointer typedefs
typedef BOOL (WINAPI * PFN_SetProcessDPIAware)(void); typedef BOOL (WINAPI * PFN_SetProcessDPIAware)(void);
typedef BOOL (WINAPI * PFN_ChangeWindowMessageFilterEx)(HWND,UINT,DWORD,PCHANGEFILTERSTRUCT); typedef BOOL (WINAPI * PFN_ChangeWindowMessageFilterEx)(HWND,UINT,DWORD,PCHANGEFILTERSTRUCT);
#define _glfw_SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware #define SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware_
#define _glfw_ChangeWindowMessageFilterEx _glfw.win32.user32.ChangeWindowMessageFilterEx #define ChangeWindowMessageFilterEx _glfw.win32.user32.ChangeWindowMessageFilterEx_
// dwmapi.dll function pointer typedefs // dwmapi.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_DwmIsCompositionEnabled)(BOOL*); typedef HRESULT (WINAPI * PFN_DwmIsCompositionEnabled)(BOOL*);
@ -184,7 +208,7 @@ typedef HRESULT (WINAPI * PFN_DwmFlush)(VOID);
// shcore.dll function pointer typedefs // shcore.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS); typedef HRESULT (WINAPI * PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS);
#define _glfw_SetProcessDpiAwareness _glfw.win32.shcore.SetProcessDpiAwareness #define SetProcessDpiAwareness _glfw.win32.shcore.SetProcessDpiAwareness_
typedef VkFlags VkWin32SurfaceCreateFlagsKHR; typedef VkFlags VkWin32SurfaceCreateFlagsKHR;
@ -278,8 +302,8 @@ typedef struct _GLFWlibraryWin32
struct { struct {
HINSTANCE instance; HINSTANCE instance;
PFN_SetProcessDPIAware SetProcessDPIAware; PFN_SetProcessDPIAware SetProcessDPIAware_;
PFN_ChangeWindowMessageFilterEx ChangeWindowMessageFilterEx; PFN_ChangeWindowMessageFilterEx ChangeWindowMessageFilterEx_;
} user32; } user32;
struct { struct {
@ -290,7 +314,7 @@ typedef struct _GLFWlibraryWin32
struct { struct {
HINSTANCE instance; HINSTANCE instance;
PFN_SetProcessDpiAwareness SetProcessDpiAwareness; PFN_SetProcessDpiAwareness SetProcessDpiAwareness_;
} shcore; } shcore;
} _GLFWlibraryWin32; } _GLFWlibraryWin32;

14
src/win32_window.c
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@ -1039,14 +1039,14 @@ static int createNativeWindow(_GLFWwindow* window,
SetPropW(window->win32.handle, L"GLFW", window); SetPropW(window->win32.handle, L"GLFW", window);
if (_glfw_ChangeWindowMessageFilterEx) if (IsWindows7OrGreater())
{ {
_glfw_ChangeWindowMessageFilterEx(window->win32.handle, ChangeWindowMessageFilterEx(window->win32.handle,
WM_DROPFILES, MSGFLT_ALLOW, NULL); WM_DROPFILES, MSGFLT_ALLOW, NULL);
_glfw_ChangeWindowMessageFilterEx(window->win32.handle, ChangeWindowMessageFilterEx(window->win32.handle,
WM_COPYDATA, MSGFLT_ALLOW, NULL); WM_COPYDATA, MSGFLT_ALLOW, NULL);
_glfw_ChangeWindowMessageFilterEx(window->win32.handle, ChangeWindowMessageFilterEx(window->win32.handle,
WM_COPYGLOBALDATA, MSGFLT_ALLOW, NULL); WM_COPYGLOBALDATA, MSGFLT_ALLOW, NULL);
} }
DragAcceptFiles(window->win32.handle, TRUE); DragAcceptFiles(window->win32.handle, TRUE);