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     if (!InitAdapters()) {
  57         WARN("Failed to initialize direct3d adapters, Direct3D will not be available\n");
  58         if(dxVersion > 7) {
  59             ERR("Direct3D%d is not available without opengl\n", dxVersion);
  60             return NULL;
  61         }
  62     }
  63
  64     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DImpl));
  65     object->lpVtbl = &IWineD3D_Vtbl;
  66     object->dxVersion = dxVersion;
  67     object->ref = 1;
  68     object->parent = parent;
  69
  70     TRACE("Created WineD3D object @ %p for d3d%d support\n", object, dxVersion);
  71
  72     return (IWineD3D *)object;
  73 }
  74
  75 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
  76 {
  77     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  78     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  79     return ERROR_FILE_NOT_FOUND;
  80 }
  81
  82 static inline DWORD get_config_key_dword(HKEY defkey, HKEY appkey, const char* name, DWORD *data)
  83 {
  84     DWORD type;
  85     DWORD size = sizeof(DWORD);
  86     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, &type, (LPBYTE) data, &size ) && (type == REG_DWORD)) return 0;
  87     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, &type, (LPBYTE) data, &size ) && (type == REG_DWORD)) return 0;
  88     return ERROR_FILE_NOT_FOUND;
  89 }
  90
  91 static void CDECL wined3d_do_nothing(void)
  92 {
  93 }
  94
  95 /* At process attach */
  96 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  97 {
  98     TRACE("WineD3D DLLMain Reason=%d\n", fdwReason);
  99     if (fdwReason == DLL_PROCESS_ATTACH)
 100     {
 101        HMODULE mod;
 102        char buffer[MAX_PATH+10];
 103        DWORD size = sizeof(buffer);
 104        HKEY hkey = 0;
 105        HKEY appkey = 0;
 106        DWORD len, tmpvalue;
 107        WNDCLASSA wc;
 108
 109        /* We need our own window class for a fake window which we use to retrieve GL capabilities */
 110        /* We might need CS_OWNDC in the future if we notice strange things on Windows.
 111         * Various articles/posts about OpenGL problems on Windows recommend this. */
 112        wc.style                = CS_HREDRAW | CS_VREDRAW;
 113        wc.lpfnWndProc          = DefWindowProcA;
 114        wc.cbClsExtra           = 0;
 115        wc.cbWndExtra           = 0;
 116        wc.hInstance            = hInstDLL;
 117        wc.hIcon                = LoadIconA(NULL, (LPCSTR)IDI_WINLOGO);
 118        wc.hCursor              = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
 119        wc.hbrBackground        = NULL;
 120        wc.lpszMenuName         = NULL;
 121        wc.lpszClassName        = "WineD3D_OpenGL";
 122
 123        if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
 124        {
 125            ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
 126            return FALSE;
 127        }
 128
 129        DisableThreadLibraryCalls(hInstDLL);
 130
 131        mod = GetModuleHandleA( "winex11.drv" );
 132        if (mod)
 133        {
 134            wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 135            wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 136        }
 137        else /* We are most likely on Windows */
 138        {
 139            wine_tsx11_lock_ptr   = wined3d_do_nothing;
 140            wine_tsx11_unlock_ptr = wined3d_do_nothing;
 141        }
 142        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 143        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 144
 145        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 146        if (len && len < MAX_PATH)
 147        {
 148             HKEY tmpkey;
 149             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 150             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 151             {
 152                 char *p, *appname = buffer;
 153                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 154                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 155                 strcat( appname, "\\Direct3D" );
 156                 TRACE("appname = [%s]\n", appname);
 157                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 158                 RegCloseKey( tmpkey );
 159             }
 160        }
 161
 162        if ( 0 != hkey || 0 != appkey )
 163        {
 164             if ( !get_config_key( hkey, appkey, "VertexShaderMode", buffer, size) )
 165             {
 166                 if (!strcmp(buffer,"none"))
 167                 {
 168                     TRACE("Disable vertex shaders\n");
 169                     wined3d_settings.vs_mode = VS_NONE;
 170                 }
 171             }
 172             if ( !get_config_key( hkey, appkey, "PixelShaderMode", buffer, size) )
 173             {
 174                 if (!strcmp(buffer,"enabled"))
 175                 {
 176                     TRACE("Allow pixel shaders\n");
 177                     wined3d_settings.ps_mode = PS_HW;
 178                 }
 179                 if (!strcmp(buffer,"disabled"))
 180                 {
 181                     TRACE("Disable pixel shaders\n");
 182                     wined3d_settings.ps_mode = PS_NONE;
 183                 }
 184             }
 185             if ( !get_config_key( hkey, appkey, "VertexBufferMode", buffer, size) )
 186             {
 187                 if (!strcmp(buffer,"none"))
 188                 {
 189                     TRACE("Disable Vertex Buffer Hardware support\n");
 190                     wined3d_settings.vbo_mode = VBO_NONE;
 191                 }
 192                 else if (!strcmp(buffer,"hardware"))
 193                 {
 194                     TRACE("Allow Vertex Buffer Hardware support\n");
 195                     wined3d_settings.vbo_mode = VBO_HW;
 196                 }
 197             }
 198             if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
 199             {
 200                 if (!strcmp(buffer,"disabled"))
 201                 {
 202                     TRACE("Use of GL Shading Language disabled\n");
 203                     wined3d_settings.glslRequested = FALSE;
 204                 }
 205             }
 206             if ( !get_config_key( hkey, appkey, "OffscreenRenderingMode", buffer, size) )
 207             {
 208                 if (!strcmp(buffer,"backbuffer"))
 209                 {
 210                     TRACE("Using the backbuffer for offscreen rendering\n");
 211                     wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
 212                 }
 213                 else if (!strcmp(buffer,"pbuffer"))
 214                 {
 215                     TRACE("Using PBuffers for offscreen rendering\n");
 216                     wined3d_settings.offscreen_rendering_mode = ORM_PBUFFER;
 217                 }
 218                 else if (!strcmp(buffer,"fbo"))
 219                 {
 220                     TRACE("Using FBOs for offscreen rendering\n");
 221                     wined3d_settings.offscreen_rendering_mode = ORM_FBO;
 222                 }
 223             }
 224             if ( !get_config_key( hkey, appkey, "RenderTargetLockMode", buffer, size) )
 225             {
 226                 if (!strcmp(buffer,"disabled"))
 227                 {
 228                     TRACE("Disabling render target locking\n");
 229                     wined3d_settings.rendertargetlock_mode = RTL_DISABLE;
 230                 }
 231                 else if (!strcmp(buffer,"readdraw"))
 232                 {
 233                     TRACE("Using glReadPixels for render target reading and glDrawPixels for writing\n");
 234                     wined3d_settings.rendertargetlock_mode = RTL_READDRAW;
 235                 }
 236                 else if (!strcmp(buffer,"readtex"))
 237                 {
 238                     TRACE("Using glReadPixels for render target reading and textures for writing\n");
 239                     wined3d_settings.rendertargetlock_mode = RTL_READTEX;
 240                 }
 241                 else if (!strcmp(buffer,"texdraw"))
 242                 {
 243                     TRACE("Using textures for render target reading and glDrawPixels for writing\n");
 244                     wined3d_settings.rendertargetlock_mode = RTL_TEXDRAW;
 245                 }
 246                 else if (!strcmp(buffer,"textex"))
 247                 {
 248                     TRACE("Reading render targets via textures and writing via textures\n");
 249                     wined3d_settings.rendertargetlock_mode = RTL_TEXTEX;
 250                 }
 251             }
 252             if ( !get_config_key_dword( hkey, appkey, "VideoPciDeviceID", &tmpvalue) )
 253             {
 254                 int pci_device_id = tmpvalue;
 255
 256                 /* A pci device id is 16-bit */
 257                 if(pci_device_id > 0xffff)
 258                 {
 259                     ERR("Invalid value for VideoPciDeviceID. The value should be smaller or equal to 65535 or 0xffff\n");
 260                 }
 261                 else
 262                 {
 263                     TRACE("Using PCI Device ID %04x\n", pci_device_id);
 264                     wined3d_settings.pci_device_id = pci_device_id;
 265                 }
 266             }
 267             if ( !get_config_key_dword( hkey, appkey, "VideoPciVendorID", &tmpvalue) )
 268             {
 269                 int pci_vendor_id = tmpvalue;
 270
 271                 /* A pci device id is 16-bit */
 272                 if(pci_vendor_id > 0xffff)
 273                 {
 274                     ERR("Invalid value for VideoPciVendorID. The value should be smaller or equal to 65535 or 0xffff\n");
 275                 }
 276                 else
 277                 {
 278                     TRACE("Using PCI Vendor ID %04x\n", pci_vendor_id);
 279                     wined3d_settings.pci_vendor_id = pci_vendor_id;
 280                 }
 281             }
 282             if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
 283             {
 284                 int TmpVideoMemorySize = atoi(buffer);
 285                 if(TmpVideoMemorySize > 0)
 286                 {
 287                     wined3d_settings.emulated_textureram = TmpVideoMemorySize *1024*1024;
 288                     TRACE("Use %iMB = %d byte for emulated_textureram\n",
 289                             TmpVideoMemorySize,
 290                             wined3d_settings.emulated_textureram);
 291                 }
 292                 else
 293                     ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
 294             }
 295             if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
 296             {
 297                 wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, strlen(buffer) + 1);
 298                 if(wined3d_settings.logo) strcpy(wined3d_settings.logo, buffer);
 299             }
 300             if ( !get_config_key( hkey, appkey, "Multisampling", buffer, size) )
 301             {
 302                 if (!strcmp(buffer,"enabled"))
 303                 {
 304                     TRACE("Allow multisampling\n");
 305                     wined3d_settings.allow_multisampling = TRUE;
 306                 }
 307             }
 308        }
 309        if (wined3d_settings.vs_mode == VS_HW)
 310            TRACE("Allow HW vertex shaders\n");
 311        if (wined3d_settings.ps_mode == PS_NONE)
 312            TRACE("Disable pixel shaders\n");
 313        if (wined3d_settings.vbo_mode == VBO_NONE)
 314            TRACE("Disable Vertex Buffer Hardware support\n");
 315        if (wined3d_settings.glslRequested)
 316            TRACE("If supported by your system, GL Shading Language will be used\n");
 317
 318        if (appkey) RegCloseKey( appkey );
 319        if (hkey) RegCloseKey( hkey );
 320     }
 321     return TRUE;
 322 }