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user32: Retrieve the graphics driver module from gdi32.

This commit is contained in:
Alexandre Julliard 2012-10-22 15:06:59 +02:00
parent 5c1a752d61
commit e17cdb266d
1 changed files with 11 additions and 27 deletions
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38
dlls/user32/driver.c
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@ -25,6 +25,7 @@
#include "wingdi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "wine/gdi_driver.h"
#include "user_private.h"
@ -36,38 +37,18 @@ static DWORD driver_load_error;
/* load the graphics driver */
static const USER_DRIVER *load_driver(void)
{
char buffer[MAX_PATH], libname[32], *name, *next;
HKEY hkey;
static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
HDC hdc;
void *ptr;
HMODULE graphics_driver;
USER_DRIVER *driver, *prev;
strcpy( buffer, "x11" ); /* default value */
/* @@ Wine registry key: HKCU\Software\Wine\Drivers */
if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
{
DWORD type, count = sizeof(buffer);
RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
RegCloseKey( hkey );
}
name = buffer;
while (name)
{
next = strchr( name, ',' );
if (next) *next++ = 0;
snprintf( libname, sizeof(libname), "wine%s.drv", name );
if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
name = next;
}
if (!graphics_driver)
driver_load_error = GetLastError();
driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
*driver = null_driver;
hdc = CreateDCW( displayW, NULL, NULL, NULL );
graphics_driver = __wine_get_driver_module( hdc );
if (graphics_driver)
{
#define GET_USER_FUNC(name) \
@ -129,15 +110,18 @@ static const USER_DRIVER *load_driver(void)
GET_USER_FUNC(WindowPosChanged);
#undef GET_USER_FUNC
}
else driver_load_error = GetLastError();
prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
if (prev != &lazy_load_driver)
{
/* another thread beat us to it */
HeapFree( GetProcessHeap(), 0, driver );
FreeLibrary( graphics_driver );
driver = prev;
}
else LdrAddRefDll( 0, graphics_driver );
DeleteDC( hdc );
return driver;
}
@ -334,7 +318,7 @@ static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
switch (driver_load_error)
{
case ERROR_MOD_NOT_FOUND:
MESSAGE( "The X11 driver is missing. Check your build!\n" );
MESSAGE( "The graphics driver is missing. Check your build!\n" );
break;
case ERROR_DLL_INIT_FAILED:
MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );