dlls/wined3d/wined3d_main.c

   1 /*
   2  * Direct3D wine internal interface main
   3  *
   4  * Copyright 2002-2003 The wine-d3d team
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004      Jason Edmeades
   7  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25
  26 #include "initguid.h"
  27 #include "wined3d_private.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  30
  31 int num_lock = 0;
  32 void (*CDECL wine_tsx11_lock_ptr)(void) = NULL;
  33 void (*CDECL wine_tsx11_unlock_ptr)(void) = NULL;
  34
  35
  36 /* When updating default value here, make sure to update winecfg as well,
  37  * where appropriate. */
  38 wined3d_settings_t wined3d_settings =
  39 {
  40     VS_HW,          /* Hardware by default */
  41     PS_HW,          /* Hardware by default */
  42     VBO_HW,         /* Hardware by default */
  43     TRUE,           /* Use of GLSL enabled by default */
  44     ORM_BACKBUFFER, /* Use the backbuffer to do offscreen rendering */
  45     RTL_AUTO,       /* Automatically determine best locking method */
  46     PCI_VENDOR_NONE,/* PCI Vendor ID */
  47     PCI_DEVICE_NONE,/* PCI Device ID */
  48     0,              /* The default of memory is set in FillGLCaps */
  49     NULL,           /* No wine logo by default */
  50     FALSE           /* Disable multisampling for now due to Nvidia driver bugs which happens for some users */
  51 };
  52
  53 IWineD3D* WINAPI WineDirect3DCreate(UINT dxVersion, IUnknown *parent) {
  54     IWineD3DImpl* object;
  55
  56     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DImpl));
  57     object->lpVtbl = &IWineD3D_Vtbl;
  58     object->dxVersion = dxVersion;
  59     object->ref = 1;
  60     object->parent = parent;
  61
  62     if (!InitAdapters(object))
  63     {
  64         WARN("Failed to initialize direct3d adapters, Direct3D will not be available\n");
  65         if (dxVersion > 7)
  66         {
  67             ERR("Direct3D%d is not available without opengl\n", dxVersion);
  68             HeapFree(GetProcessHeap(), 0, object);
  69             return NULL;
  70         }
  71     }
  72
  73     TRACE("Created WineD3D object @ %p for d3d%d support\n", object, dxVersion);
  74
  75     return (IWineD3D *)object;
  76 }
  77
  78 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
  79 {
  80     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  81     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  82     return ERROR_FILE_NOT_FOUND;
  83 }
  84
  85 static inline DWORD get_config_key_dword(HKEY defkey, HKEY appkey, const char* name, DWORD *data)
  86 {
  87     DWORD type;
  88     DWORD size = sizeof(DWORD);
  89     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, &type, (LPBYTE) data, &size ) && (type == REG_DWORD)) return 0;
  90     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, &type, (LPBYTE) data, &size ) && (type == REG_DWORD)) return 0;
  91     return ERROR_FILE_NOT_FOUND;
  92 }
  93
  94 static void CDECL wined3d_do_nothing(void)
  95 {
  96 }
  97
  98 static BOOL wined3d_init(HINSTANCE hInstDLL)
  99 {
 100     HMODULE mod;
 101     char buffer[MAX_PATH+10];
 102     DWORD size = sizeof(buffer);
 103     HKEY hkey = 0;
 104     HKEY appkey = 0;
 105     DWORD len, tmpvalue;
 106     WNDCLASSA wc;
 107
 108     /* We need our own window class for a fake window which we use to retrieve GL capabilities */
 109     /* We might need CS_OWNDC in the future if we notice strange things on Windows.
 110      * Various articles/posts about OpenGL problems on Windows recommend this. */
 111     wc.style                = CS_HREDRAW | CS_VREDRAW;
 112     wc.lpfnWndProc          = DefWindowProcA;
 113     wc.cbClsExtra           = 0;
 114     wc.cbWndExtra           = 0;
 115     wc.hInstance            = hInstDLL;
 116     wc.hIcon                = LoadIconA(NULL, (LPCSTR)IDI_WINLOGO);
 117     wc.hCursor              = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
 118     wc.hbrBackground        = NULL;
 119     wc.lpszMenuName         = NULL;
 120     wc.lpszClassName        = "WineD3D_OpenGL";
 121
 122     if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
 123     {
 124         ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
 125         return FALSE;
 126     }
 127
 128     DisableThreadLibraryCalls(hInstDLL);
 129
 130     mod = GetModuleHandleA( "winex11.drv" );
 131     if (mod)
 132     {
 133         wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 134         wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 135     }
 136     else /* We are most likely on Windows */
 137     {
 138         wine_tsx11_lock_ptr   = wined3d_do_nothing;
 139         wine_tsx11_unlock_ptr = wined3d_do_nothing;
 140     }
 141     /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 142     if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 143
 144     len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 145     if (len && len < MAX_PATH)
 146     {
 147         HKEY tmpkey;
 148         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 149         if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 150         {
 151             char *p, *appname = buffer;
 152             if ((p = strrchr( appname, '/' ))) appname = p + 1;
 153             if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 154             strcat( appname, "\\Direct3D" );
 155             TRACE("appname = [%s]\n", appname);
 156             if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 157             RegCloseKey( tmpkey );
 158         }
 159     }
 160
 161     if ( 0 != hkey || 0 != appkey )
 162     {
 163         if ( !get_config_key( hkey, appkey, "VertexShaderMode", buffer, size) )
 164         {
 165             if (!strcmp(buffer,"none"))
 166             {
 167                 TRACE("Disable vertex shaders\n");
 168                 wined3d_settings.vs_mode = VS_NONE;
 169             }
 170         }
 171         if ( !get_config_key( hkey, appkey, "PixelShaderMode", buffer, size) )
 172         {
 173             if (!strcmp(buffer,"enabled"))
 174             {
 175                 TRACE("Allow pixel shaders\n");
 176                 wined3d_settings.ps_mode = PS_HW;
 177             }
 178             if (!strcmp(buffer,"disabled"))
 179             {
 180                 TRACE("Disable pixel shaders\n");
 181                 wined3d_settings.ps_mode = PS_NONE;
 182             }
 183         }
 184         if ( !get_config_key( hkey, appkey, "VertexBufferMode", buffer, size) )
 185         {
 186             if (!strcmp(buffer,"none"))
 187             {
 188                 TRACE("Disable Vertex Buffer Hardware support\n");
 189                 wined3d_settings.vbo_mode = VBO_NONE;
 190             }
 191             else if (!strcmp(buffer,"hardware"))
 192             {
 193                 TRACE("Allow Vertex Buffer Hardware support\n");
 194                 wined3d_settings.vbo_mode = VBO_HW;
 195             }
 196         }
 197         if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
 198         {
 199             if (!strcmp(buffer,"disabled"))
 200             {
 201                 TRACE("Use of GL Shading Language disabled\n");
 202                 wined3d_settings.glslRequested = FALSE;
 203             }
 204         }
 205         if ( !get_config_key( hkey, appkey, "OffscreenRenderingMode", buffer, size) )
 206         {
 207             if (!strcmp(buffer,"backbuffer"))
 208             {
 209                 TRACE("Using the backbuffer for offscreen rendering\n");
 210                 wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
 211             }
 212             else if (!strcmp(buffer,"pbuffer"))
 213             {
 214                 TRACE("Using PBuffers for offscreen rendering\n");
 215                 wined3d_settings.offscreen_rendering_mode = ORM_PBUFFER;
 216             }
 217             else if (!strcmp(buffer,"fbo"))
 218             {
 219                 TRACE("Using FBOs for offscreen rendering\n");
 220                 wined3d_settings.offscreen_rendering_mode = ORM_FBO;
 221             }
 222         }
 223         if ( !get_config_key( hkey, appkey, "RenderTargetLockMode", buffer, size) )
 224         {
 225             if (!strcmp(buffer,"disabled"))
 226             {
 227                 TRACE("Disabling render target locking\n");
 228                 wined3d_settings.rendertargetlock_mode = RTL_DISABLE;
 229             }
 230             else if (!strcmp(buffer,"readdraw"))
 231             {
 232                 TRACE("Using glReadPixels for render target reading and glDrawPixels for writing\n");
 233                 wined3d_settings.rendertargetlock_mode = RTL_READDRAW;
 234             }
 235             else if (!strcmp(buffer,"readtex"))
 236             {
 237                 TRACE("Using glReadPixels for render target reading and textures for writing\n");
 238                 wined3d_settings.rendertargetlock_mode = RTL_READTEX;
 239             }
 240             else if (!strcmp(buffer,"texdraw"))
 241             {
 242                 TRACE("Using textures for render target reading and glDrawPixels for writing\n");
 243                 wined3d_settings.rendertargetlock_mode = RTL_TEXDRAW;
 244             }
 245             else if (!strcmp(buffer,"textex"))
 246             {
 247                 TRACE("Reading render targets via textures and writing via textures\n");
 248                 wined3d_settings.rendertargetlock_mode = RTL_TEXTEX;
 249             }
 250         }
 251         if ( !get_config_key_dword( hkey, appkey, "VideoPciDeviceID", &tmpvalue) )
 252         {
 253             int pci_device_id = tmpvalue;
 254
 255             /* A pci device id is 16-bit */
 256             if(pci_device_id > 0xffff)
 257             {
 258                 ERR("Invalid value for VideoPciDeviceID. The value should be smaller or equal to 65535 or 0xffff\n");
 259             }
 260             else
 261             {
 262                 TRACE("Using PCI Device ID %04x\n", pci_device_id);
 263                 wined3d_settings.pci_device_id = pci_device_id;
 264             }
 265         }
 266         if ( !get_config_key_dword( hkey, appkey, "VideoPciVendorID", &tmpvalue) )
 267         {
 268             int pci_vendor_id = tmpvalue;
 269
 270             /* A pci device id is 16-bit */
 271             if(pci_vendor_id > 0xffff)
 272             {
 273                 ERR("Invalid value for VideoPciVendorID. The value should be smaller or equal to 65535 or 0xffff\n");
 274             }
 275             else
 276             {
 277                 TRACE("Using PCI Vendor ID %04x\n", pci_vendor_id);
 278                 wined3d_settings.pci_vendor_id = pci_vendor_id;
 279             }
 280         }
 281         if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
 282         {
 283             int TmpVideoMemorySize = atoi(buffer);
 284             if(TmpVideoMemorySize > 0)
 285             {
 286                 wined3d_settings.emulated_textureram = TmpVideoMemorySize *1024*1024;
 287                 TRACE("Use %iMB = %d byte for emulated_textureram\n",
 288                         TmpVideoMemorySize,
 289                         wined3d_settings.emulated_textureram);
 290             }
 291             else
 292                 ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
 293         }
 294         if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
 295         {
 296             wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, strlen(buffer) + 1);
 297             if(wined3d_settings.logo) strcpy(wined3d_settings.logo, buffer);
 298         }
 299         if ( !get_config_key( hkey, appkey, "Multisampling", buffer, size) )
 300         {
 301             if (!strcmp(buffer,"enabled"))
 302             {
 303                 TRACE("Allow multisampling\n");
 304                 wined3d_settings.allow_multisampling = TRUE;
 305             }
 306         }
 307     }
 308     if (wined3d_settings.vs_mode == VS_HW)
 309         TRACE("Allow HW vertex shaders\n");
 310     if (wined3d_settings.ps_mode == PS_NONE)
 311         TRACE("Disable pixel shaders\n");
 312     if (wined3d_settings.vbo_mode == VBO_NONE)
 313         TRACE("Disable Vertex Buffer Hardware support\n");
 314     if (wined3d_settings.glslRequested)
 315         TRACE("If supported by your system, GL Shading Language will be used\n");
 316
 317     if (appkey) RegCloseKey( appkey );
 318     if (hkey) RegCloseKey( hkey );
 319
 320     return TRUE;
 321 }
 322
 323 static BOOL wined3d_destroy(void)
 324 {
 325     HeapFree(GetProcessHeap(), 0, wined3d_settings.logo);
 326
 327     return TRUE;
 328 }
 329
 330 /* At process attach */
 331 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 332 {
 333     TRACE("WineD3D DLLMain Reason=%u\n", fdwReason);
 334
 335     switch (fdwReason)
 336     {
 337         case DLL_PROCESS_ATTACH:
 338             return wined3d_init(hInstDLL);
 339
 340         case DLL_PROCESS_DETACH:
 341             return wined3d_destroy();
 342
 343         default:
 344             return TRUE;
 345     }
 346 }