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 (*wine_tsx11_lock_ptr)(void) = NULL;
  33 void (*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     0,              /* The default of memory is set in FillGLCaps */
  47     NULL,           /* No wine logo by default */
  48     FALSE           /* Disable multisampling for now due to Nvidia driver bugs which happens for some users */
  49 };
  50
  51 IWineD3D* WINAPI WineDirect3DCreate(UINT SDKVersion, UINT dxVersion, IUnknown *parent) {
  52     IWineD3DImpl* object;
  53
  54     if (!InitAdapters()) {
  55         WARN("Failed to initialize direct3d adapters, Direct3D will not be available\n");
  56         if(dxVersion > 7) {
  57             ERR("Direct3D%d is not available without opengl\n", dxVersion);
  58             return NULL;
  59         }
  60     }
  61
  62     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DImpl));
  63     object->lpVtbl = &IWineD3D_Vtbl;
  64     object->dxVersion = dxVersion;
  65     object->ref = 1;
  66     object->parent = parent;
  67
  68     TRACE("Created WineD3D object @ %p for d3d%d support\n", object, dxVersion);
  69
  70     return (IWineD3D *)object;
  71 }
  72
  73 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
  74 {
  75     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  76     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  77     return ERROR_FILE_NOT_FOUND;
  78 }
  79
  80 static void wined3d_do_nothing(void)
  81 {
  82 }
  83
  84 /* At process attach */
  85 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  86 {
  87     TRACE("WineD3D DLLMain Reason=%d\n", fdwReason);
  88     if (fdwReason == DLL_PROCESS_ATTACH)
  89     {
  90        HMODULE mod;
  91        char buffer[MAX_PATH+10];
  92        DWORD size = sizeof(buffer);
  93        HKEY hkey = 0;
  94        HKEY appkey = 0;
  95        DWORD len;
  96        WNDCLASSA wc;
  97
  98        /* We need our own window class for a fake window which we use to retrieve GL capabilities */
  99        /* We might need CS_OWNDC in the future if we notice strange things on Windows.
 100         * Various articles/posts about OpenGL problems on Windows recommend this. */
 101        wc.style                = CS_HREDRAW | CS_VREDRAW;
 102        wc.lpfnWndProc          = DefWindowProcA;
 103        wc.cbClsExtra           = 0;
 104        wc.cbWndExtra           = 0;
 105        wc.hInstance            = hInstDLL;
 106        wc.hIcon                = LoadIconA(NULL, (LPCSTR)IDI_WINLOGO);
 107        wc.hCursor              = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
 108        wc.hbrBackground        = NULL;
 109        wc.lpszMenuName         = NULL;
 110        wc.lpszClassName        = "WineD3D_OpenGL";
 111
 112        if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
 113        {
 114            ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
 115            return FALSE;
 116        }
 117
 118        DisableThreadLibraryCalls(hInstDLL);
 119
 120        mod = GetModuleHandleA( "winex11.drv" );
 121        if (mod)
 122        {
 123            wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 124            wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 125        }
 126        else /* We are most likely on Windows */
 127        {
 128            wine_tsx11_lock_ptr   = wined3d_do_nothing;
 129            wine_tsx11_unlock_ptr = wined3d_do_nothing;
 130        }
 131        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 132        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 133
 134        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 135        if (len && len < MAX_PATH)
 136        {
 137             HKEY tmpkey;
 138             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 139             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 140             {
 141                 char *p, *appname = buffer;
 142                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 143                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 144                 strcat( appname, "\\Direct3D" );
 145                 TRACE("appname = [%s]\n", appname);
 146                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 147                 RegCloseKey( tmpkey );
 148             }
 149        }
 150
 151        if ( 0 != hkey || 0 != appkey )
 152        {
 153             if ( !get_config_key( hkey, appkey, "VertexShaderMode", buffer, size) )
 154             {
 155                 if (!strcmp(buffer,"none"))
 156                 {
 157                     TRACE("Disable vertex shaders\n");
 158                     wined3d_settings.vs_mode = VS_NONE;
 159                 }
 160             }
 161             if ( !get_config_key( hkey, appkey, "PixelShaderMode", buffer, size) )
 162             {
 163                 if (!strcmp(buffer,"enabled"))
 164                 {
 165                     TRACE("Allow pixel shaders\n");
 166                     wined3d_settings.ps_mode = PS_HW;
 167                 }
 168                 if (!strcmp(buffer,"disabled"))
 169                 {
 170                     TRACE("Disable pixel shaders\n");
 171                     wined3d_settings.ps_mode = PS_NONE;
 172                 }
 173             }
 174             if ( !get_config_key( hkey, appkey, "VertexBufferMode", buffer, size) )
 175             {
 176                 if (!strcmp(buffer,"none"))
 177                 {
 178                     TRACE("Disable Vertex Buffer Hardware support\n");
 179                     wined3d_settings.vbo_mode = VBO_NONE;
 180                 }
 181                 else if (!strcmp(buffer,"hardware"))
 182                 {
 183                     TRACE("Allow Vertex Buffer Hardware support\n");
 184                     wined3d_settings.vbo_mode = VBO_HW;
 185                 }
 186             }
 187             if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
 188             {
 189                 if (!strcmp(buffer,"disabled"))
 190                 {
 191                     TRACE("Use of GL Shading Language disabled\n");
 192                     wined3d_settings.glslRequested = FALSE;
 193                 }
 194             }
 195             if ( !get_config_key( hkey, appkey, "OffscreenRenderingMode", buffer, size) )
 196             {
 197                 if (!strcmp(buffer,"backbuffer"))
 198                 {
 199                     TRACE("Using the backbuffer for offscreen rendering\n");
 200                     wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
 201                 }
 202                 else if (!strcmp(buffer,"pbuffer"))
 203                 {
 204                     TRACE("Using PBuffers for offscreen rendering\n");
 205                     wined3d_settings.offscreen_rendering_mode = ORM_PBUFFER;
 206                 }
 207                 else if (!strcmp(buffer,"fbo"))
 208                 {
 209                     TRACE("Using FBOs for offscreen rendering\n");
 210                     wined3d_settings.offscreen_rendering_mode = ORM_FBO;
 211                 }
 212             }
 213             if ( !get_config_key( hkey, appkey, "RenderTargetLockMode", buffer, size) )
 214             {
 215                 if (!strcmp(buffer,"disabled"))
 216                 {
 217                     TRACE("Disabling render target locking\n");
 218                     wined3d_settings.rendertargetlock_mode = RTL_DISABLE;
 219                 }
 220                 else if (!strcmp(buffer,"readdraw"))
 221                 {
 222                     TRACE("Using glReadPixels for render target reading and glDrawPixels for writing\n");
 223                     wined3d_settings.rendertargetlock_mode = RTL_READDRAW;
 224                 }
 225                 else if (!strcmp(buffer,"readtex"))
 226                 {
 227                     TRACE("Using glReadPixels for render target reading and textures for writing\n");
 228                     wined3d_settings.rendertargetlock_mode = RTL_READTEX;
 229                 }
 230                 else if (!strcmp(buffer,"texdraw"))
 231                 {
 232                     TRACE("Using textures for render target reading and glDrawPixels for writing\n");
 233                     wined3d_settings.rendertargetlock_mode = RTL_TEXDRAW;
 234                 }
 235                 else if (!strcmp(buffer,"textex"))
 236                 {
 237                     TRACE("Reading render targets via textures and writing via textures\n");
 238                     wined3d_settings.rendertargetlock_mode = RTL_TEXTEX;
 239                 }
 240             }
 241             if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
 242             {
 243                 int TmpVideoMemorySize = atoi(buffer);
 244                 if(TmpVideoMemorySize > 0)
 245                 {
 246                     wined3d_settings.emulated_textureram = TmpVideoMemorySize *1024*1024;
 247                     TRACE("Use %iMB = %d byte for emulated_textureram\n",
 248                             TmpVideoMemorySize,
 249                             wined3d_settings.emulated_textureram);
 250                 }
 251                 else
 252                     ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
 253             }
 254             if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
 255             {
 256                 wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, strlen(buffer) + 1);
 257                 if(wined3d_settings.logo) strcpy(wined3d_settings.logo, buffer);
 258             }
 259             if ( !get_config_key( hkey, appkey, "Multisampling", buffer, size) )
 260             {
 261                 if (!strcmp(buffer,"enabled"))
 262                 {
 263                     TRACE("Allow multisampling\n");
 264                     wined3d_settings.allow_multisampling = TRUE;
 265                 }
 266             }
 267        }
 268        if (wined3d_settings.vs_mode == VS_HW)
 269            TRACE("Allow HW vertex shaders\n");
 270        if (wined3d_settings.ps_mode == PS_NONE)
 271            TRACE("Disable pixel shaders\n");
 272        if (wined3d_settings.vbo_mode == VBO_NONE)
 273            TRACE("Disable Vertex Buffer Hardware support\n");
 274        if (wined3d_settings.glslRequested)
 275            TRACE("If supported by your system, GL Shading Language will be used\n");
 276
 277        if (appkey) RegCloseKey( appkey );
 278        if (hkey) RegCloseKey( hkey );
 279     }
 280     return TRUE;
 281 }