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Win32 dynamic loading tweaks.

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This commit is contained in:
Camilla Berglund 2010-09-14 04:27:02 +02:00
parent 318f731e3e
commit 02804bc182
2 changed files with 63 additions and 74 deletions
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33
src/win32/platform.h
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@ -234,11 +234,11 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
// gdi32.dll shortcuts
#ifndef _GLFW_NO_DLOAD_GDI32
#define _glfw_ChoosePixelFormat _glfwLibrary.Win32.libs.ChoosePixelFormat
#define _glfw_DescribePixelFormat _glfwLibrary.Win32.libs.DescribePixelFormat
#define _glfw_GetPixelFormat _glfwLibrary.Win32.libs.GetPixelFormat
#define _glfw_SetPixelFormat _glfwLibrary.Win32.libs.SetPixelFormat
#define _glfw_SwapBuffers _glfwLibrary.Win32.libs.SwapBuffers
#define _glfw_ChoosePixelFormat _glfwLibrary.Win32.gdi.ChoosePixelFormat
#define _glfw_DescribePixelFormat _glfwLibrary.Win32.gdi.DescribePixelFormat
#define _glfw_GetPixelFormat _glfwLibrary.Win32.gdi.GetPixelFormat
#define _glfw_SetPixelFormat _glfwLibrary.Win32.gdi.SetPixelFormat
#define _glfw_SwapBuffers _glfwLibrary.Win32.gdi.SwapBuffers
#else
#define _glfw_ChoosePixelFormat ChoosePixelFormat
#define _glfw_DescribePixelFormat DescribePixelFormat
@ -249,10 +249,10 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
// winmm.dll shortcuts
#ifndef _GLFW_NO_DLOAD_WINMM
#define _glfw_joyGetDevCaps _glfwLibrary.Win32.libs.joyGetDevCapsA
#define _glfw_joyGetPos _glfwLibrary.Win32.libs.joyGetPos
#define _glfw_joyGetPosEx _glfwLibrary.Win32.libs.joyGetPosEx
#define _glfw_timeGetTime _glfwLibrary.Win32.libs.timeGetTime
#define _glfw_joyGetDevCaps _glfwLibrary.Win32.winmm.joyGetDevCapsA
#define _glfw_joyGetPos _glfwLibrary.Win32.winmm.joyGetPos
#define _glfw_joyGetPosEx _glfwLibrary.Win32.winmm.joyGetPosEx
#define _glfw_timeGetTime _glfwLibrary.Win32.winmm.timeGetTime
#else
#define _glfw_joyGetDevCaps joyGetDevCapsA
#define _glfw_joyGetPos joyGetPos
@ -341,29 +341,28 @@ typedef struct _GLFWlibraryWin32
__int64 t0_64;
} timer;
#if !defined(_GLFW_NO_DLOAD_WINMM) || !defined(_GLFW_NO_DLOAD_GDI32)
// Library handles and function pointers
struct {
#ifndef _GLFW_NO_DLOAD_GDI32
// gdi32.dll
HINSTANCE gdi32;
// gdi32.dll
struct {
HINSTANCE instance;
CHOOSEPIXELFORMAT_T ChoosePixelFormat;
DESCRIBEPIXELFORMAT_T DescribePixelFormat;
GETPIXELFORMAT_T GetPixelFormat;
SETPIXELFORMAT_T SetPixelFormat;
SWAPBUFFERS_T SwapBuffers;
} gdi;
#endif // _GLFW_NO_DLOAD_GDI32
// winmm.dll
#ifndef _GLFW_NO_DLOAD_WINMM
// winmm.dll
struct {
HINSTANCE winmm;
JOYGETDEVCAPSA_T joyGetDevCapsA;
JOYGETPOS_T joyGetPos;
JOYGETPOSEX_T joyGetPosEx;
TIMEGETTIME_T timeGetTime;
} winmm;
#endif // _GLFW_NO_DLOAD_WINMM
} libs;
#endif
} _GLFWlibraryWin32;

104
src/win32/win32_init.c
View File

@ -47,62 +47,54 @@ static GLboolean initLibraries(void)
#ifndef _GLFW_NO_DLOAD_GDI32
// gdi32.dll (OpenGL pixel format functions & SwapBuffers)
_glfwLibrary.Win32.libs.gdi32 = LoadLibrary("gdi32.dll");
if (_glfwLibrary.Win32.libs.gdi32 != NULL)
{
_glfwLibrary.Win32.libs.ChoosePixelFormat = (CHOOSEPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.libs.gdi32, "ChoosePixelFormat");
_glfwLibrary.Win32.libs.DescribePixelFormat = (DESCRIBEPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.libs.gdi32, "DescribePixelFormat");
_glfwLibrary.Win32.libs.GetPixelFormat = (GETPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.libs.gdi32, "GetPixelFormat");
_glfwLibrary.Win32.libs.SetPixelFormat = (SETPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.libs.gdi32, "SetPixelFormat");
_glfwLibrary.Win32.libs.SwapBuffers = (SWAPBUFFERS_T)
GetProcAddress(_glfwLibrary.Win32.libs.gdi32, "SwapBuffers");
if (!_glfwLibrary.Win32.libs.ChoosePixelFormat ||
!_glfwLibrary.Win32.libs.DescribePixelFormat ||
!_glfwLibrary.Win32.libs.GetPixelFormat ||
!_glfwLibrary.Win32.libs.SetPixelFormat ||
!_glfwLibrary.Win32.libs.SwapBuffers)
{
FreeLibrary(_glfwLibrary.Win32.libs.gdi32);
_glfwLibrary.Win32.libs.gdi32 = NULL;
return GL_FALSE;
}
}
else
_glfwLibrary.Win32.gdi.instance = LoadLibrary("gdi32.dll");
if (!_glfwLibrary.Win32.gdi.instance)
return GL_FALSE;
_glfwLibrary.Win32.gdi.ChoosePixelFormat = (CHOOSEPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.gdi.instance, "ChoosePixelFormat");
_glfwLibrary.Win32.gdi.DescribePixelFormat = (DESCRIBEPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.gdi.instance, "DescribePixelFormat");
_glfwLibrary.Win32.gdi.GetPixelFormat = (GETPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.gdi.instance, "GetPixelFormat");
_glfwLibrary.Win32.gdi.SetPixelFormat = (SETPIXELFORMAT_T)
GetProcAddress(_glfwLibrary.Win32.gdi.instance, "SetPixelFormat");
_glfwLibrary.Win32.gdi.SwapBuffers = (SWAPBUFFERS_T)
GetProcAddress(_glfwLibrary.Win32.gdi.instance, "SwapBuffers");
if (!_glfwLibrary.Win32.gdi.ChoosePixelFormat ||
!_glfwLibrary.Win32.gdi.DescribePixelFormat ||
!_glfwLibrary.Win32.gdi.GetPixelFormat ||
!_glfwLibrary.Win32.gdi.SetPixelFormat ||
!_glfwLibrary.Win32.gdi.SwapBuffers)
{
return GL_FALSE;
}
#endif // _GLFW_NO_DLOAD_GDI32
#ifndef _GLFW_NO_DLOAD_WINMM
// winmm.dll (for joystick and timer support)
_glfwLibrary.Win32.libs.winmm = LoadLibrary("winmm.dll");
if (_glfwLibrary.Win32.libs.winmm != NULL)
{
_glfwLibrary.Win32.libs.joyGetDevCapsA = (JOYGETDEVCAPSA_T)
GetProcAddress(_glfwLibrary.Win32.libs.winmm, "joyGetDevCapsA");
_glfwLibrary.Win32.libs.joyGetPos = (JOYGETPOS_T)
GetProcAddress(_glfwLibrary.Win32.libs.winmm, "joyGetPos");
_glfwLibrary.Win32.libs.joyGetPosEx = (JOYGETPOSEX_T)
GetProcAddress(_glfwLibrary.Win32.libs.winmm, "joyGetPosEx");
_glfwLibrary.Win32.libs.timeGetTime = (TIMEGETTIME_T)
GetProcAddress(_glfwLibrary.Win32.libs.winmm, "timeGetTime");
if (!_glfwLibrary.Win32.libs.joyGetDevCapsA ||
!_glfwLibrary.Win32.libs.joyGetPos ||
!_glfwLibrary.Win32.libs.joyGetPosEx ||
!_glfwLibrary.Win32.libs.timeGetTime)
{
FreeLibrary(_glfwLibrary.Win32.libs.winmm);
_glfwLibrary.Win32.libs.winmm = NULL;
return GL_FALSE;
}
}
else
_glfwLibrary.Win32.winmm.instance = LoadLibrary("winmm.dll");
if (!_glfwLibrary.Win32.winmm.instance)
return GL_FALSE;
_glfwLibrary.Win32.winmm.joyGetDevCapsA = (JOYGETDEVCAPSA_T)
GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetDevCapsA");
_glfwLibrary.Win32.winmm.joyGetPos = (JOYGETPOS_T)
GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetPos");
_glfwLibrary.Win32.winmm.joyGetPosEx = (JOYGETPOSEX_T)
GetProcAddress(_glfwLibrary.Win32.winmm.instance, "joyGetPosEx");
_glfwLibrary.Win32.winmm.timeGetTime = (TIMEGETTIME_T)
GetProcAddress(_glfwLibrary.Win32.winmm.instance, "timeGetTime");
if (!_glfwLibrary.Win32.winmm.joyGetDevCapsA ||
!_glfwLibrary.Win32.winmm.joyGetPos ||
!_glfwLibrary.Win32.winmm.joyGetPosEx ||
!_glfwLibrary.Win32.winmm.timeGetTime)
{
return GL_FALSE;
}
#endif // _GLFW_NO_DLOAD_WINMM
return GL_TRUE;
@ -115,21 +107,19 @@ static GLboolean initLibraries(void)
static void freeLibraries(void)
{
// gdi32.dll
#ifndef _GLFW_NO_DLOAD_GDI32
if (_glfwLibrary.Win32.libs.gdi32 != NULL)
if (_glfwLibrary.Win32.gdi.instance != NULL)
{
FreeLibrary(_glfwLibrary.Win32.libs.gdi32);
_glfwLibrary.Win32.libs.gdi32 = NULL;
FreeLibrary(_glfwLibrary.Win32.gdi.instance);
_glfwLibrary.Win32.gdi.instance = NULL;
}
#endif // _GLFW_NO_DLOAD_GDI32
// winmm.dll
#ifndef _GLFW_NO_DLOAD_WINMM
if (_glfwLibrary.Win32.libs.winmm != NULL)
if (_glfwLibrary.Win32.winmm.winmm != NULL)
{
FreeLibrary(_glfwLibrary.Win32.libs.winmm);
_glfwLibrary.Win32.libs.winmm = NULL;
FreeLibrary(_glfwLibrary.Win32.winmm.winmm);
_glfwLibrary.Win32.winmm.winmm = NULL;
}
#endif // _GLFW_NO_DLOAD_WINMM
}