dlls/opengl32/unix_private.h

   1 /*
   2  *    Copyright (c) 2000 Lionel Ulmer
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18 #ifndef __WINE_OPENGL32_UNIX_PRIVATE_H
  19 #define __WINE_OPENGL32_UNIX_PRIVATE_H
  20
  21 #include <stdarg.h>
  22 #include <stddef.h>
  23 #include <stdlib.h>
  24
  25 #include "ntstatus.h"
  26 #define WIN32_NO_STATUS
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winternl.h"
  30 #include "wingdi.h"
  31 #include "ntgdi.h"
  32
  33 #include "wine/wgl.h"
  34 #include "wine/wgl_driver.h"
  35
  36 struct registry_entry
  37 {
  38     const char *name;      /* name of the extension */
  39     const char *extension; /* name of the GL/WGL extension */
  40 };
  41
  42 extern const struct registry_entry extension_registry[];
  43 extern const int extension_registry_size;
  44
  45 extern struct opengl_funcs null_opengl_funcs;
  46
  47 static inline const struct opengl_funcs *get_dc_funcs( HDC hdc )
  48 {
  49     const struct opengl_funcs *funcs = __wine_get_wgl_driver( hdc, WINE_WGL_DRIVER_VERSION );
  50     if (!funcs) RtlSetLastWin32Error( ERROR_INVALID_HANDLE );
  51     else if (funcs == (void *)-1) funcs = &null_opengl_funcs;
  52     return funcs;
  53 }
  54
  55 static inline void *copy_wow64_ptr32s( UINT_PTR address, ULONG count )
  56 {
  57     ULONG *ptrs = (ULONG *)address;
  58     void **tmp;
  59
  60     if (!ptrs || !(tmp = calloc( count, sizeof(*tmp) ))) return NULL;
  61     while (count--) tmp[count] = ULongToPtr(ptrs[count]);
  62     return tmp;
  63 }
  64
  65 static inline TEB *get_teb64( ULONG teb32 )
  66 {
  67     TEB32 *teb32_ptr = ULongToPtr( teb32 );
  68     return (TEB *)((char *)teb32_ptr + teb32_ptr->WowTebOffset);
  69 }
  70
  71 #endif /* __WINE_OPENGL32_UNIX_PRIVATE_H */