dlls/wined3d/wined3d_main.c - wine - Git at Google

 /*
  * Direct3D wine internal interface main
  *
  * Copyright 2002-2003 The wine-d3d team
  * Copyright 2002-2003 Raphael Junqueira
  * Copyright 2004      Jason Edmeades
  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
  * Copyright 2009 Henri Verbeet for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "config.h"
 #include "wine/port.h"

 #include "initguid.h"
 #include "wined3d_private.h"

 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
 WINE_DECLARE_DEBUG_CHANNEL(winediag);

 struct wined3d_wndproc
 {
     HWND window;
     BOOL unicode;
     WNDPROC proc;
     struct wined3d_device *device;
 };

 struct wined3d_wndproc_table
 {
     struct wined3d_wndproc *entries;
     unsigned int count;
     SIZE_T size;
 };

 static struct wined3d_wndproc_table wndproc_table;

 static CRITICAL_SECTION wined3d_cs;
 static CRITICAL_SECTION_DEBUG wined3d_cs_debug =
 {
     0, 0, &wined3d_cs,
     {&wined3d_cs_debug.ProcessLocksList,
     &wined3d_cs_debug.ProcessLocksList},
     0, 0, {(DWORD_PTR)(__FILE__ ": wined3d_cs")}
 };
 static CRITICAL_SECTION wined3d_cs = {&wined3d_cs_debug, -1, 0, 0, 0, 0};

 static CRITICAL_SECTION wined3d_wndproc_cs;
 static CRITICAL_SECTION_DEBUG wined3d_wndproc_cs_debug =
 {
     0, 0, &wined3d_wndproc_cs,
     {&wined3d_wndproc_cs_debug.ProcessLocksList,
     &wined3d_wndproc_cs_debug.ProcessLocksList},
     0, 0, {(DWORD_PTR)(__FILE__ ": wined3d_wndproc_cs")}
 };
 static CRITICAL_SECTION wined3d_wndproc_cs = {&wined3d_wndproc_cs_debug, -1, 0, 0, 0, 0};

 /* When updating default value here, make sure to update winecfg as well,
  * where appropriate. */
 struct wined3d_settings wined3d_settings =
 {
     FALSE,          /* No multithreaded CS by default. */
     MAKEDWORD_VERSION(1, 0), /* Default to legacy OpenGL */
     TRUE,           /* Use of GLSL enabled by default */
     ORM_FBO,        /* Use FBOs to do offscreen rendering */
     PCI_VENDOR_NONE,/* PCI Vendor ID */
     PCI_DEVICE_NONE,/* PCI Device ID */
     0,              /* The default of memory is set in init_driver_info */
     NULL,           /* No wine logo by default */
     ~0u,            /* Don't force a specific sample count by default. */
     FALSE,          /* No strict draw ordering. */
     FALSE,          /* Don't range check relative addressing indices in float constants. */
     ~0U,            /* No VS shader model limit by default. */
     ~0U,            /* No HS shader model limit by default. */
     ~0U,            /* No DS shader model limit by default. */
     ~0U,            /* No GS shader model limit by default. */
     ~0U,            /* No PS shader model limit by default. */
     ~0u,            /* No CS shader model limit by default. */
     FALSE,          /* 3D support enabled by default. */
 };

 struct wined3d * CDECL wined3d_create(DWORD flags)
 {
     struct wined3d *object;
     HRESULT hr;

     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET(struct wined3d, adapters[1]));
     if (!object)
     {
         ERR("Failed to allocate wined3d object memory.\n");
         return NULL;
     }

     if (wined3d_settings.no_3d)
         flags |= WINED3D_NO3D;

     hr = wined3d_init(object, flags);
     if (FAILED(hr))
     {
         WARN("Failed to initialize wined3d object, hr %#x.\n", hr);
         HeapFree(GetProcessHeap(), 0, object);
         return NULL;
     }

     TRACE("Created wined3d object %p.\n", object);

     return object;
 }

 static DWORD get_config_key(HKEY defkey, HKEY appkey, const char *name, char *buffer, DWORD size)
 {
     if (appkey && !RegQueryValueExA(appkey, name, 0, NULL, (BYTE *)buffer, &size)) return 0;
     if (defkey && !RegQueryValueExA(defkey, name, 0, NULL, (BYTE *)buffer, &size)) return 0;
     return ERROR_FILE_NOT_FOUND;
 }

 static DWORD get_config_key_dword(HKEY defkey, HKEY appkey, const char *name, DWORD *value)
 {
     DWORD type, data, size;

     size = sizeof(data);
     if (appkey && !RegQueryValueExA(appkey, name, 0, &type, (BYTE *)&data, &size) && type == REG_DWORD) goto success;
     size = sizeof(data);
     if (defkey && !RegQueryValueExA(defkey, name, 0, &type, (BYTE *)&data, &size) && type == REG_DWORD) goto success;

     return ERROR_FILE_NOT_FOUND;

 success:
     *value = data;
     return 0;
 }

 static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
 {
     DWORD wined3d_context_tls_idx;
     char buffer[MAX_PATH+10];
     DWORD size = sizeof(buffer);
     HKEY hkey = 0;
     HKEY appkey = 0;
     DWORD len, tmpvalue;
     WNDCLASSA wc;

     wined3d_context_tls_idx = TlsAlloc();
     if (wined3d_context_tls_idx == TLS_OUT_OF_INDEXES)
     {
         DWORD err = GetLastError();
         ERR("Failed to allocate context TLS index, err %#x.\n", err);
         return FALSE;
     }
     context_set_tls_idx(wined3d_context_tls_idx);

     /* We need our own window class for a fake window which we use to retrieve GL capabilities */
     /* We might need CS_OWNDC in the future if we notice strange things on Windows.
      * Various articles/posts about OpenGL problems on Windows recommend this. */
     wc.style                = CS_HREDRAW | CS_VREDRAW;
     wc.lpfnWndProc          = DefWindowProcA;
     wc.cbClsExtra           = 0;
     wc.cbWndExtra           = 0;
     wc.hInstance            = hInstDLL;
     wc.hIcon                = LoadIconA(NULL, (const char *)IDI_WINLOGO);
     wc.hCursor              = LoadCursorA(NULL, (const char *)IDC_ARROW);
     wc.hbrBackground        = NULL;
     wc.lpszMenuName         = NULL;
     wc.lpszClassName        = WINED3D_OPENGL_WINDOW_CLASS_NAME;

     if (!RegisterClassA(&wc))
     {
         ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
         if (!TlsFree(wined3d_context_tls_idx))
         {
             DWORD err = GetLastError();
             ERR("Failed to free context TLS index, err %#x.\n", err);
         }
         return FALSE;
     }

     DisableThreadLibraryCalls(hInstDLL);

     /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
     if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;

     len = GetModuleFileNameA( 0, buffer, MAX_PATH );
     if (len && len < MAX_PATH)
     {
         HKEY tmpkey;
         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
         {
             char *p, *appname = buffer;
             if ((p = strrchr( appname, '/' ))) appname = p + 1;
             if ((p = strrchr( appname, '\\' ))) appname = p + 1;
             strcat( appname, "\\Direct3D" );
             TRACE("appname = [%s]\n", appname);
             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
             RegCloseKey( tmpkey );
         }
     }

     if (hkey || appkey)
     {
         if (!get_config_key_dword(hkey, appkey, "csmt", &wined3d_settings.cs_multithreaded))
             ERR_(winediag)("Setting multithreaded command stream to %#x.\n", wined3d_settings.cs_multithreaded);
         if (!get_config_key_dword(hkey, appkey, "MaxVersionGL", &tmpvalue))
         {
             if (tmpvalue != wined3d_settings.max_gl_version)
             {
                 ERR_(winediag)("Setting maximum allowed wined3d GL version to %u.%u.\n",
                         tmpvalue >> 16, tmpvalue & 0xffff);
                 wined3d_settings.max_gl_version = tmpvalue;
             }
         }
         if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
         {
             if (!strcmp(buffer,"disabled"))
             {
                 ERR_(winediag)("The GLSL shader backend has been disabled. You get to keep all the pieces if it breaks.\n");
                 TRACE("Use of GL Shading Language disabled\n");
                 wined3d_settings.glslRequested = FALSE;
             }
         }
         if (!get_config_key(hkey, appkey, "OffscreenRenderingMode", buffer, size)
                 && !strcmp(buffer,"backbuffer"))
             wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
         if ( !get_config_key_dword( hkey, appkey, "VideoPciDeviceID", &tmpvalue) )
         {
             int pci_device_id = tmpvalue;

             /* A pci device id is 16-bit */
             if(pci_device_id > 0xffff)
             {
                 ERR("Invalid value for VideoPciDeviceID. The value should be smaller or equal to 65535 or 0xffff\n");
             }
             else
             {
                 TRACE("Using PCI Device ID %04x\n", pci_device_id);
                 wined3d_settings.pci_device_id = pci_device_id;
             }
         }
         if ( !get_config_key_dword( hkey, appkey, "VideoPciVendorID", &tmpvalue) )
         {
             int pci_vendor_id = tmpvalue;

             /* A pci device id is 16-bit */
             if(pci_vendor_id > 0xffff)
             {
                 ERR("Invalid value for VideoPciVendorID. The value should be smaller or equal to 65535 or 0xffff\n");
             }
             else
             {
                 TRACE("Using PCI Vendor ID %04x\n", pci_vendor_id);
                 wined3d_settings.pci_vendor_id = pci_vendor_id;
             }
         }
         if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
         {
             int TmpVideoMemorySize = atoi(buffer);
             if(TmpVideoMemorySize > 0)
             {
                 wined3d_settings.emulated_textureram = (UINT64)TmpVideoMemorySize *1024*1024;
                 TRACE("Use %iMiB = 0x%s bytes for emulated_textureram\n",
                         TmpVideoMemorySize,
                         wine_dbgstr_longlong(wined3d_settings.emulated_textureram));
             }
             else
                 ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
         }
         if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
         {
             size_t len = strlen(buffer) + 1;

             wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, len);
             if (!wined3d_settings.logo) ERR("Failed to allocate logo path memory.\n");
             else memcpy(wined3d_settings.logo, buffer, len);
         }
         if (!get_config_key_dword(hkey, appkey, "SampleCount", &wined3d_settings.sample_count))
             ERR_(winediag)("Forcing sample count to %u. This may not be compatible with all applications.\n",
                     wined3d_settings.sample_count);
         if (!get_config_key(hkey, appkey, "StrictDrawOrdering", buffer, size)
                 && !strcmp(buffer,"enabled"))
         {
             ERR_(winediag)("\"StrictDrawOrdering\" is deprecated, please use \"csmt\" instead.\n");
             TRACE("Enforcing strict draw ordering.\n");
             wined3d_settings.strict_draw_ordering = TRUE;
         }
         if (!get_config_key(hkey, appkey, "CheckFloatConstants", buffer, size)
                 && !strcmp(buffer, "enabled"))
         {
             TRACE("Checking relative addressing indices in float constants.\n");
             wined3d_settings.check_float_constants = TRUE;
         }
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelVS", &wined3d_settings.max_sm_vs))
             TRACE("Limiting VS shader model to %u.\n", wined3d_settings.max_sm_vs);
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelHS", &wined3d_settings.max_sm_hs))
             TRACE("Limiting HS shader model to %u.\n", wined3d_settings.max_sm_hs);
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelDS", &wined3d_settings.max_sm_ds))
             TRACE("Limiting DS shader model to %u.\n", wined3d_settings.max_sm_ds);
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelGS", &wined3d_settings.max_sm_gs))
             TRACE("Limiting GS shader model to %u.\n", wined3d_settings.max_sm_gs);
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelPS", &wined3d_settings.max_sm_ps))
             TRACE("Limiting PS shader model to %u.\n", wined3d_settings.max_sm_ps);
         if (!get_config_key_dword(hkey, appkey, "MaxShaderModelCS", &wined3d_settings.max_sm_cs))
             TRACE("Limiting CS shader model to %u.\n", wined3d_settings.max_sm_cs);
         if (!get_config_key(hkey, appkey, "DirectDrawRenderer", buffer, size)
                 && !strcmp(buffer, "gdi"))
         {
             TRACE("Disabling 3D support.\n");
             wined3d_settings.no_3d = TRUE;
         }
     }

     if (appkey) RegCloseKey( appkey );
     if (hkey) RegCloseKey( hkey );

     return TRUE;
 }

 static BOOL wined3d_dll_destroy(HINSTANCE hInstDLL)
 {
     DWORD wined3d_context_tls_idx = context_get_tls_idx();
     unsigned int i;

     if (!TlsFree(wined3d_context_tls_idx))
     {
         DWORD err = GetLastError();
         ERR("Failed to free context TLS index, err %#x.\n", err);
     }

     for (i = 0; i < wndproc_table.count; ++i)
     {
         /* Trying to unregister these would be futile. These entries can only
          * exist if either we skipped them in wined3d_unregister_window() due
          * to the application replacing the wndproc after the entry was
          * registered, or if the application still has an active wined3d
          * device. In the latter case the application has bigger problems than
          * these entries. */
         WARN("Leftover wndproc table entry %p.\n", &wndproc_table.entries[i]);
     }
     HeapFree(GetProcessHeap(), 0, wndproc_table.entries);

     HeapFree(GetProcessHeap(), 0, wined3d_settings.logo);
     UnregisterClassA(WINED3D_OPENGL_WINDOW_CLASS_NAME, hInstDLL);

     DeleteCriticalSection(&wined3d_wndproc_cs);
     DeleteCriticalSection(&wined3d_cs);
     return TRUE;
 }

 void WINAPI wined3d_mutex_lock(void)
 {
     EnterCriticalSection(&wined3d_cs);
 }

 void WINAPI wined3d_mutex_unlock(void)
 {
     LeaveCriticalSection(&wined3d_cs);
 }

 static void wined3d_wndproc_mutex_lock(void)
 {
     EnterCriticalSection(&wined3d_wndproc_cs);
 }

 static void wined3d_wndproc_mutex_unlock(void)
 {
     LeaveCriticalSection(&wined3d_wndproc_cs);
 }

 static struct wined3d_wndproc *wined3d_find_wndproc(HWND window)
 {
     unsigned int i;

     for (i = 0; i < wndproc_table.count; ++i)
     {
         if (wndproc_table.entries[i].window == window)
         {
             return &wndproc_table.entries[i];
         }
     }

     return NULL;
 }

 static LRESULT CALLBACK wined3d_wndproc(HWND window, UINT message, WPARAM wparam, LPARAM lparam)
 {
     struct wined3d_wndproc *entry;
     struct wined3d_device *device;
     BOOL unicode;
     WNDPROC proc;

     wined3d_wndproc_mutex_lock();
     entry = wined3d_find_wndproc(window);

     if (!entry)
     {
         wined3d_wndproc_mutex_unlock();
         ERR("Window %p is not registered with wined3d.\n", window);
         return DefWindowProcW(window, message, wparam, lparam);
     }

     device = entry->device;
     unicode = entry->unicode;
     proc = entry->proc;
     wined3d_wndproc_mutex_unlock();

     if (device)
         return device_process_message(device, window, unicode, message, wparam, lparam, proc);
     if (unicode)
         return CallWindowProcW(proc, window, message, wparam, lparam);
     return CallWindowProcA(proc, window, message, wparam, lparam);
 }

 BOOL wined3d_register_window(HWND window, struct wined3d_device *device)
 {
     struct wined3d_wndproc *entry;

     wined3d_wndproc_mutex_lock();

     if (wined3d_find_wndproc(window))
     {
         wined3d_wndproc_mutex_unlock();
         WARN("Window %p is already registered with wined3d.\n", window);
         return TRUE;
     }

     if (!wined3d_array_reserve((void **)&wndproc_table.entries, &wndproc_table.size,
             wndproc_table.count + 1, sizeof(*entry)))
     {
         wined3d_wndproc_mutex_unlock();
         ERR("Failed to grow table.\n");
         return FALSE;
     }

     entry = &wndproc_table.entries[wndproc_table.count++];
     entry->window = window;
     entry->unicode = IsWindowUnicode(window);
     /* Set a window proc that matches the window. Some applications (e.g. NoX)
      * replace the window proc after we've set ours, and expect to be able to
      * call the previous one (ours) directly, without using CallWindowProc(). */
     if (entry->unicode)
         entry->proc = (WNDPROC)SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)wined3d_wndproc);
     else
         entry->proc = (WNDPROC)SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)wined3d_wndproc);
     entry->device = device;

     wined3d_wndproc_mutex_unlock();

     return TRUE;
 }

 void wined3d_unregister_window(HWND window)
 {
     struct wined3d_wndproc *entry, *last;
     LONG_PTR proc;

     wined3d_wndproc_mutex_lock();

     if (!(entry = wined3d_find_wndproc(window)))
     {
         wined3d_wndproc_mutex_unlock();
         ERR("Window %p is not registered with wined3d.\n", window);
         return;
     }

     if (entry->unicode)
     {
         proc = GetWindowLongPtrW(window, GWLP_WNDPROC);
         if (proc != (LONG_PTR)wined3d_wndproc)
         {
             entry->device = NULL;
             wined3d_wndproc_mutex_unlock();
             WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
                     window, proc, wined3d_wndproc);
             return;
         }

         SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
     }
     else
     {
         proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
         if (proc != (LONG_PTR)wined3d_wndproc)
         {
             entry->device = NULL;
             wined3d_wndproc_mutex_unlock();
             WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
                     window, proc, wined3d_wndproc);
             return;
         }

         SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
     }

     last = &wndproc_table.entries[--wndproc_table.count];
     if (entry != last) *entry = *last;

     wined3d_wndproc_mutex_unlock();
 }

 /* At process attach */
 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, void *reserved)
 {
     switch (reason)
     {
         case DLL_PROCESS_ATTACH:
             return wined3d_dll_init(inst);

         case DLL_PROCESS_DETACH:
             if (!reserved)
                 return wined3d_dll_destroy(inst);
             break;

         case DLL_THREAD_DETACH:
             if (!context_set_current(NULL))
             {
                 ERR("Failed to clear current context.\n");
             }
             return TRUE;
     }
     return TRUE;
 }
	/*
	* Direct3D wine internal interface main
	*
	* Copyright 2002-2003 The wine-d3d team
	* Copyright 2002-2003 Raphael Junqueira
	* Copyright 2004 Jason Edmeades
	* Copyright 2007-2008 Stefan Dösinger for CodeWeavers
	* Copyright 2009 Henri Verbeet for CodeWeavers
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "config.h"
	#include "wine/port.h"

	#include "initguid.h"
	#include "wined3d_private.h"

	WINE_DEFAULT_DEBUG_CHANNEL(d3d);
	WINE_DECLARE_DEBUG_CHANNEL(winediag);

	struct wined3d_wndproc
	{
	HWND window;
	BOOL unicode;
	WNDPROC proc;
	struct wined3d_device *device;
	};

	struct wined3d_wndproc_table
	{
	struct wined3d_wndproc *entries;
	unsigned int count;
	SIZE_T size;
	};

	static struct wined3d_wndproc_table wndproc_table;

	static CRITICAL_SECTION wined3d_cs;
	static CRITICAL_SECTION_DEBUG wined3d_cs_debug =
	{
	0, 0, &wined3d_cs,
	{&wined3d_cs_debug.ProcessLocksList,
	&wined3d_cs_debug.ProcessLocksList},
	0, 0, {(DWORD_PTR)(__FILE__ ": wined3d_cs")}
	};
	static CRITICAL_SECTION wined3d_cs = {&wined3d_cs_debug, -1, 0, 0, 0, 0};

	static CRITICAL_SECTION wined3d_wndproc_cs;
	static CRITICAL_SECTION_DEBUG wined3d_wndproc_cs_debug =
	{
	0, 0, &wined3d_wndproc_cs,
	{&wined3d_wndproc_cs_debug.ProcessLocksList,
	&wined3d_wndproc_cs_debug.ProcessLocksList},
	0, 0, {(DWORD_PTR)(__FILE__ ": wined3d_wndproc_cs")}
	};
	static CRITICAL_SECTION wined3d_wndproc_cs = {&wined3d_wndproc_cs_debug, -1, 0, 0, 0, 0};

	/* When updating default value here, make sure to update winecfg as well,
	* where appropriate. */
	struct wined3d_settings wined3d_settings =
	{
	FALSE, /* No multithreaded CS by default. */
	MAKEDWORD_VERSION(1, 0), /* Default to legacy OpenGL */
	TRUE, /* Use of GLSL enabled by default */
	ORM_FBO, /* Use FBOs to do offscreen rendering */
	PCI_VENDOR_NONE,/* PCI Vendor ID */
	PCI_DEVICE_NONE,/* PCI Device ID */
	0, /* The default of memory is set in init_driver_info */
	NULL, /* No wine logo by default */
	~0u, /* Don't force a specific sample count by default. */
	FALSE, /* No strict draw ordering. */
	FALSE, /* Don't range check relative addressing indices in float constants. */
	~0U, /* No VS shader model limit by default. */
	~0U, /* No HS shader model limit by default. */
	~0U, /* No DS shader model limit by default. */
	~0U, /* No GS shader model limit by default. */
	~0U, /* No PS shader model limit by default. */
	~0u, /* No CS shader model limit by default. */
	FALSE, /* 3D support enabled by default. */
	};

	struct wined3d * CDECL wined3d_create(DWORD flags)
	{
	struct wined3d *object;
	HRESULT hr;

	object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET(struct wined3d, adapters[1]));
	if (!object)
	{
	ERR("Failed to allocate wined3d object memory.\n");
	return NULL;
	}

	if (wined3d_settings.no_3d)
	flags \|= WINED3D_NO3D;

	hr = wined3d_init(object, flags);
	if (FAILED(hr))
	{
	WARN("Failed to initialize wined3d object, hr %#x.\n", hr);
	HeapFree(GetProcessHeap(), 0, object);
	return NULL;
	}

	TRACE("Created wined3d object %p.\n", object);

	return object;
	}

	static DWORD get_config_key(HKEY defkey, HKEY appkey, const char name, char buffer, DWORD size)
	{
	if (appkey && !RegQueryValueExA(appkey, name, 0, NULL, (BYTE *)buffer, &size)) return 0;
	if (defkey && !RegQueryValueExA(defkey, name, 0, NULL, (BYTE *)buffer, &size)) return 0;
	return ERROR_FILE_NOT_FOUND;
	}

	static DWORD get_config_key_dword(HKEY defkey, HKEY appkey, const char name, DWORD value)
	{
	DWORD type, data, size;

	size = sizeof(data);
	if (appkey && !RegQueryValueExA(appkey, name, 0, &type, (BYTE *)&data, &size) && type == REG_DWORD) goto success;
	size = sizeof(data);
	if (defkey && !RegQueryValueExA(defkey, name, 0, &type, (BYTE *)&data, &size) && type == REG_DWORD) goto success;

	return ERROR_FILE_NOT_FOUND;

	success:
	*value = data;
	return 0;
	}

	static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
	{
	DWORD wined3d_context_tls_idx;
	char buffer[MAX_PATH+10];
	DWORD size = sizeof(buffer);
	HKEY hkey = 0;
	HKEY appkey = 0;
	DWORD len, tmpvalue;
	WNDCLASSA wc;

	wined3d_context_tls_idx = TlsAlloc();
	if (wined3d_context_tls_idx == TLS_OUT_OF_INDEXES)
	{
	DWORD err = GetLastError();
	ERR("Failed to allocate context TLS index, err %#x.\n", err);
	return FALSE;
	}
	context_set_tls_idx(wined3d_context_tls_idx);

	/* We need our own window class for a fake window which we use to retrieve GL capabilities */
	/* We might need CS_OWNDC in the future if we notice strange things on Windows.
	* Various articles/posts about OpenGL problems on Windows recommend this. */
	wc.style = CS_HREDRAW \| CS_VREDRAW;
	wc.lpfnWndProc = DefWindowProcA;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = hInstDLL;
	wc.hIcon = LoadIconA(NULL, (const char *)IDI_WINLOGO);
	wc.hCursor = LoadCursorA(NULL, (const char *)IDC_ARROW);
	wc.hbrBackground = NULL;
	wc.lpszMenuName = NULL;
	wc.lpszClassName = WINED3D_OPENGL_WINDOW_CLASS_NAME;

	if (!RegisterClassA(&wc))
	{
	ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
	if (!TlsFree(wined3d_context_tls_idx))
	{
	DWORD err = GetLastError();
	ERR("Failed to free context TLS index, err %#x.\n", err);
	}
	return FALSE;
	}

	DisableThreadLibraryCalls(hInstDLL);

	/* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
	if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;

	len = GetModuleFileNameA( 0, buffer, MAX_PATH );
	if (len && len < MAX_PATH)
	{
	HKEY tmpkey;
	/* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
	if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
	{
	char p, appname = buffer;
	if ((p = strrchr( appname, '/' ))) appname = p + 1;
	if ((p = strrchr( appname, '\\' ))) appname = p + 1;
	strcat( appname, "\\Direct3D" );
	TRACE("appname = [%s]\n", appname);
	if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
	RegCloseKey( tmpkey );
	}
	}

	if (hkey \|\| appkey)
	{
	if (!get_config_key_dword(hkey, appkey, "csmt", &wined3d_settings.cs_multithreaded))
	ERR_(winediag)("Setting multithreaded command stream to %#x.\n", wined3d_settings.cs_multithreaded);
	if (!get_config_key_dword(hkey, appkey, "MaxVersionGL", &tmpvalue))
	{
	if (tmpvalue != wined3d_settings.max_gl_version)
	{
	ERR_(winediag)("Setting maximum allowed wined3d GL version to %u.%u.\n",
	tmpvalue >> 16, tmpvalue & 0xffff);
	wined3d_settings.max_gl_version = tmpvalue;
	}
	}
	if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
	{
	if (!strcmp(buffer,"disabled"))
	{
	ERR_(winediag)("The GLSL shader backend has been disabled. You get to keep all the pieces if it breaks.\n");
	TRACE("Use of GL Shading Language disabled\n");
	wined3d_settings.glslRequested = FALSE;
	}
	}
	if (!get_config_key(hkey, appkey, "OffscreenRenderingMode", buffer, size)
	&& !strcmp(buffer,"backbuffer"))
	wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
	if ( !get_config_key_dword( hkey, appkey, "VideoPciDeviceID", &tmpvalue) )
	{
	int pci_device_id = tmpvalue;

	/* A pci device id is 16-bit */
	if(pci_device_id > 0xffff)
	{
	ERR("Invalid value for VideoPciDeviceID. The value should be smaller or equal to 65535 or 0xffff\n");
	}
	else
	{
	TRACE("Using PCI Device ID %04x\n", pci_device_id);
	wined3d_settings.pci_device_id = pci_device_id;
	}
	}
	if ( !get_config_key_dword( hkey, appkey, "VideoPciVendorID", &tmpvalue) )
	{
	int pci_vendor_id = tmpvalue;

	/* A pci device id is 16-bit */
	if(pci_vendor_id > 0xffff)
	{
	ERR("Invalid value for VideoPciVendorID. The value should be smaller or equal to 65535 or 0xffff\n");
	}
	else
	{
	TRACE("Using PCI Vendor ID %04x\n", pci_vendor_id);
	wined3d_settings.pci_vendor_id = pci_vendor_id;
	}
	}
	if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
	{
	int TmpVideoMemorySize = atoi(buffer);
	if(TmpVideoMemorySize > 0)
	{
	wined3d_settings.emulated_textureram = (UINT64)TmpVideoMemorySize 10241024;
	TRACE("Use %iMiB = 0x%s bytes for emulated_textureram\n",
	TmpVideoMemorySize,
	wine_dbgstr_longlong(wined3d_settings.emulated_textureram));
	}
	else
	ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
	}
	if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
	{
	size_t len = strlen(buffer) + 1;

	wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, len);
	if (!wined3d_settings.logo) ERR("Failed to allocate logo path memory.\n");
	else memcpy(wined3d_settings.logo, buffer, len);
	}
	if (!get_config_key_dword(hkey, appkey, "SampleCount", &wined3d_settings.sample_count))
	ERR_(winediag)("Forcing sample count to %u. This may not be compatible with all applications.\n",
	wined3d_settings.sample_count);
	if (!get_config_key(hkey, appkey, "StrictDrawOrdering", buffer, size)
	&& !strcmp(buffer,"enabled"))
	{
	ERR_(winediag)("\"StrictDrawOrdering\" is deprecated, please use \"csmt\" instead.\n");
	TRACE("Enforcing strict draw ordering.\n");
	wined3d_settings.strict_draw_ordering = TRUE;
	}
	if (!get_config_key(hkey, appkey, "CheckFloatConstants", buffer, size)
	&& !strcmp(buffer, "enabled"))
	{
	TRACE("Checking relative addressing indices in float constants.\n");
	wined3d_settings.check_float_constants = TRUE;
	}
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelVS", &wined3d_settings.max_sm_vs))
	TRACE("Limiting VS shader model to %u.\n", wined3d_settings.max_sm_vs);
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelHS", &wined3d_settings.max_sm_hs))
	TRACE("Limiting HS shader model to %u.\n", wined3d_settings.max_sm_hs);
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelDS", &wined3d_settings.max_sm_ds))
	TRACE("Limiting DS shader model to %u.\n", wined3d_settings.max_sm_ds);
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelGS", &wined3d_settings.max_sm_gs))
	TRACE("Limiting GS shader model to %u.\n", wined3d_settings.max_sm_gs);
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelPS", &wined3d_settings.max_sm_ps))
	TRACE("Limiting PS shader model to %u.\n", wined3d_settings.max_sm_ps);
	if (!get_config_key_dword(hkey, appkey, "MaxShaderModelCS", &wined3d_settings.max_sm_cs))
	TRACE("Limiting CS shader model to %u.\n", wined3d_settings.max_sm_cs);
	if (!get_config_key(hkey, appkey, "DirectDrawRenderer", buffer, size)
	&& !strcmp(buffer, "gdi"))
	{
	TRACE("Disabling 3D support.\n");
	wined3d_settings.no_3d = TRUE;
	}
	}

	if (appkey) RegCloseKey( appkey );
	if (hkey) RegCloseKey( hkey );

	return TRUE;
	}

	static BOOL wined3d_dll_destroy(HINSTANCE hInstDLL)
	{
	DWORD wined3d_context_tls_idx = context_get_tls_idx();
	unsigned int i;

	if (!TlsFree(wined3d_context_tls_idx))
	{
	DWORD err = GetLastError();
	ERR("Failed to free context TLS index, err %#x.\n", err);
	}

	for (i = 0; i < wndproc_table.count; ++i)
	{
	/* Trying to unregister these would be futile. These entries can only
	* exist if either we skipped them in wined3d_unregister_window() due
	* to the application replacing the wndproc after the entry was
	* registered, or if the application still has an active wined3d
	* device. In the latter case the application has bigger problems than
	* these entries. */
	WARN("Leftover wndproc table entry %p.\n", &wndproc_table.entries[i]);
	}
	HeapFree(GetProcessHeap(), 0, wndproc_table.entries);

	HeapFree(GetProcessHeap(), 0, wined3d_settings.logo);
	UnregisterClassA(WINED3D_OPENGL_WINDOW_CLASS_NAME, hInstDLL);

	DeleteCriticalSection(&wined3d_wndproc_cs);
	DeleteCriticalSection(&wined3d_cs);
	return TRUE;
	}

	void WINAPI wined3d_mutex_lock(void)
	{
	EnterCriticalSection(&wined3d_cs);
	}

	void WINAPI wined3d_mutex_unlock(void)
	{
	LeaveCriticalSection(&wined3d_cs);
	}

	static void wined3d_wndproc_mutex_lock(void)
	{
	EnterCriticalSection(&wined3d_wndproc_cs);
	}

	static void wined3d_wndproc_mutex_unlock(void)
	{
	LeaveCriticalSection(&wined3d_wndproc_cs);
	}

	static struct wined3d_wndproc *wined3d_find_wndproc(HWND window)
	{
	unsigned int i;

	for (i = 0; i < wndproc_table.count; ++i)
	{
	if (wndproc_table.entries[i].window == window)
	{
	return &wndproc_table.entries[i];
	}
	}

	return NULL;
	}

	static LRESULT CALLBACK wined3d_wndproc(HWND window, UINT message, WPARAM wparam, LPARAM lparam)
	{
	struct wined3d_wndproc *entry;
	struct wined3d_device *device;
	BOOL unicode;
	WNDPROC proc;

	wined3d_wndproc_mutex_lock();
	entry = wined3d_find_wndproc(window);

	if (!entry)
	{
	wined3d_wndproc_mutex_unlock();
	ERR("Window %p is not registered with wined3d.\n", window);
	return DefWindowProcW(window, message, wparam, lparam);
	}

	device = entry->device;
	unicode = entry->unicode;
	proc = entry->proc;
	wined3d_wndproc_mutex_unlock();

	if (device)
	return device_process_message(device, window, unicode, message, wparam, lparam, proc);
	if (unicode)
	return CallWindowProcW(proc, window, message, wparam, lparam);
	return CallWindowProcA(proc, window, message, wparam, lparam);
	}

	BOOL wined3d_register_window(HWND window, struct wined3d_device *device)
	{
	struct wined3d_wndproc *entry;

	wined3d_wndproc_mutex_lock();

	if (wined3d_find_wndproc(window))
	{
	wined3d_wndproc_mutex_unlock();
	WARN("Window %p is already registered with wined3d.\n", window);
	return TRUE;
	}

	if (!wined3d_array_reserve((void **)&wndproc_table.entries, &wndproc_table.size,
	wndproc_table.count + 1, sizeof(*entry)))
	{
	wined3d_wndproc_mutex_unlock();
	ERR("Failed to grow table.\n");
	return FALSE;
	}

	entry = &wndproc_table.entries[wndproc_table.count++];
	entry->window = window;
	entry->unicode = IsWindowUnicode(window);
	/* Set a window proc that matches the window. Some applications (e.g. NoX)
	* replace the window proc after we've set ours, and expect to be able to
	* call the previous one (ours) directly, without using CallWindowProc(). */
	if (entry->unicode)
	entry->proc = (WNDPROC)SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)wined3d_wndproc);
	else
	entry->proc = (WNDPROC)SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)wined3d_wndproc);
	entry->device = device;

	wined3d_wndproc_mutex_unlock();

	return TRUE;
	}

	void wined3d_unregister_window(HWND window)
	{
	struct wined3d_wndproc entry, last;
	LONG_PTR proc;

	wined3d_wndproc_mutex_lock();

	if (!(entry = wined3d_find_wndproc(window)))
	{
	wined3d_wndproc_mutex_unlock();
	ERR("Window %p is not registered with wined3d.\n", window);
	return;
	}

	if (entry->unicode)
	{
	proc = GetWindowLongPtrW(window, GWLP_WNDPROC);
	if (proc != (LONG_PTR)wined3d_wndproc)
	{
	entry->device = NULL;
	wined3d_wndproc_mutex_unlock();
	WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
	window, proc, wined3d_wndproc);
	return;
	}

	SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
	}
	else
	{
	proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
	if (proc != (LONG_PTR)wined3d_wndproc)
	{
	entry->device = NULL;
	wined3d_wndproc_mutex_unlock();
	WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
	window, proc, wined3d_wndproc);
	return;
	}

	SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
	}

	last = &wndproc_table.entries[--wndproc_table.count];
	if (entry != last) entry = last;

	wined3d_wndproc_mutex_unlock();
	}

	/* At process attach */
	BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, void *reserved)
	{
	switch (reason)
	{
	case DLL_PROCESS_ATTACH:
	return wined3d_dll_init(inst);

	case DLL_PROCESS_DETACH:
	if (!reserved)
	return wined3d_dll_destroy(inst);
	break;

	case DLL_THREAD_DETACH:
	if (!context_set_current(NULL))
	{
	ERR("Failed to clear current context.\n");
	}
	return TRUE;
	}
	return TRUE;
	}