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  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24
  25 #include "initguid.h"
  26 #include "wined3d_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(wine_d3d);
  29
  30 int num_lock = 0;
  31 void (*wine_tsx11_lock_ptr)(void) = NULL;
  32 void (*wine_tsx11_unlock_ptr)(void) = NULL;
  33
  34
  35 /* When updating default value here, make sure to update winecfg as well,
  36  * where appropriate. */
  37 wined3d_settings_t wined3d_settings =
  38 {
  39     VS_HW,          /* Hardware by default */
  40     PS_HW,          /* Hardware by default */
  41     VBO_HW,         /* Hardware by default */
  42     TRUE,           /* Use of GLSL enabled by default */
  43     ORM_BACKBUFFER, /* Use the backbuffer to do offscreen rendering */
  44     RTL_AUTO,       /* Automatically determine best locking method */
  45     0,              /* The default of memory is set in FillGLCaps */
  46     NULL            /* No wine logo by default */
  47 };
  48
  49 IWineD3D* WINAPI WineDirect3DCreate(UINT SDKVersion, UINT dxVersion, IUnknown *parent) {
  50     IWineD3DImpl* object;
  51
  52     if (!InitAdapters()) {
  53         WARN("Failed to initialize direct3d adapters, Direct3D will not be available\n");
  54         if(dxVersion > 7) {
  55             ERR("Direct3D%d is not available without opengl\n", dxVersion);
  56             return NULL;
  57         }
  58     }
  59
  60     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DImpl));
  61     object->lpVtbl = &IWineD3D_Vtbl;
  62     object->dxVersion = dxVersion;
  63     object->ref = 1;
  64     object->parent = parent;
  65
  66     TRACE("Created WineD3D object @ %p for d3d%d support\n", object, dxVersion);
  67
  68     return (IWineD3D *)object;
  69 }
  70
  71 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
  72 {
  73     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  74     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  75     return ERROR_FILE_NOT_FOUND;
  76 }
  77
  78 static void wined3d_do_nothing(void)
  79 {
  80 }
  81
  82 /* At process attach */
  83 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  84 {
  85     TRACE("WineD3D DLLMain Reason=%d\n", fdwReason);
  86     if (fdwReason == DLL_PROCESS_ATTACH)
  87     {
  88        HMODULE mod;
  89        char buffer[MAX_PATH+10];
  90        DWORD size = sizeof(buffer);
  91        HKEY hkey = 0;
  92        HKEY appkey = 0;
  93        DWORD len;
  94        WNDCLASSA wc;
  95
  96        /* We need our own window class for a fake window which we use to retrieve GL capabilities */
  97        /* We might need CS_OWNDC in the future if we notice strange things on Windows.
  98         * Various articles/posts about OpenGL problems on Windows recommend this. */
  99        wc.style                = CS_HREDRAW | CS_VREDRAW;
 100        wc.lpfnWndProc          = DefWindowProcA;
 101        wc.cbClsExtra           = 0;
 102        wc.cbWndExtra           = 0;
 103        wc.hInstance            = hInstDLL;
 104        wc.hIcon                = LoadIconA(NULL, (LPCSTR)IDI_WINLOGO);
 105        wc.hCursor              = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
 106        wc.hbrBackground        = NULL;
 107        wc.lpszMenuName         = NULL;
 108        wc.lpszClassName        = "WineD3D_OpenGL";
 109
 110        if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
 111        {
 112            ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
 113            return FALSE;
 114        }
 115
 116        DisableThreadLibraryCalls(hInstDLL);
 117
 118        mod = GetModuleHandleA( "winex11.drv" );
 119        if (mod)
 120        {
 121            wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 122            wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 123        }
 124        else /* We are most likely on Windows */
 125        {
 126            wine_tsx11_lock_ptr   = wined3d_do_nothing;
 127            wine_tsx11_unlock_ptr = wined3d_do_nothing;
 128        }
 129        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 130        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 131
 132        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 133        if (len && len < MAX_PATH)
 134        {
 135             HKEY tmpkey;
 136             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 137             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 138             {
 139                 char *p, *appname = buffer;
 140                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 141                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 142                 strcat( appname, "\\Direct3D" );
 143                 TRACE("appname = [%s]\n", appname);
 144                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 145                 RegCloseKey( tmpkey );
 146             }
 147        }
 148
 149        if ( 0 != hkey || 0 != appkey )
 150        {
 151             if ( !get_config_key( hkey, appkey, "VertexShaderMode", buffer, size) )
 152             {
 153                 if (!strcmp(buffer,"none"))
 154                 {
 155                     TRACE("Disable vertex shaders\n");
 156                     wined3d_settings.vs_mode = VS_NONE;
 157                 }
 158             }
 159             if ( !get_config_key( hkey, appkey, "PixelShaderMode", buffer, size) )
 160             {
 161                 if (!strcmp(buffer,"enabled"))
 162                 {
 163                     TRACE("Allow pixel shaders\n");
 164                     wined3d_settings.ps_mode = PS_HW;
 165                 }
 166                 if (!strcmp(buffer,"disabled"))
 167                 {
 168                     TRACE("Disable pixel shaders\n");
 169                     wined3d_settings.ps_mode = PS_NONE;
 170                 }
 171             }
 172             if ( !get_config_key( hkey, appkey, "VertexBufferMode", buffer, size) )
 173             {
 174                 if (!strcmp(buffer,"none"))
 175                 {
 176                     TRACE("Disable Vertex Buffer Hardware support\n");
 177                     wined3d_settings.vbo_mode = VBO_NONE;
 178                 }
 179                 else if (!strcmp(buffer,"hardware"))
 180                 {
 181                     TRACE("Allow Vertex Buffer Hardware support\n");
 182                     wined3d_settings.vbo_mode = VBO_HW;
 183                 }
 184             }
 185             if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
 186             {
 187                 if (!strcmp(buffer,"disabled"))
 188                 {
 189                     TRACE("Use of GL Shading Language disabled\n");
 190                     wined3d_settings.glslRequested = FALSE;
 191                 }
 192             }
 193             if ( !get_config_key( hkey, appkey, "OffscreenRenderingMode", buffer, size) )
 194             {
 195                 if (!strcmp(buffer,"backbuffer"))
 196                 {
 197                     TRACE("Using the backbuffer for offscreen rendering\n");
 198                     wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
 199                 }
 200                 else if (!strcmp(buffer,"pbuffer"))
 201                 {
 202                     TRACE("Using PBuffers for offscreen rendering\n");
 203                     wined3d_settings.offscreen_rendering_mode = ORM_PBUFFER;
 204                 }
 205                 else if (!strcmp(buffer,"fbo"))
 206                 {
 207                     TRACE("Using FBOs for offscreen rendering\n");
 208                     wined3d_settings.offscreen_rendering_mode = ORM_FBO;
 209                 }
 210             }
 211             if ( !get_config_key( hkey, appkey, "RenderTargetLockMode", buffer, size) )
 212             {
 213                 if (!strcmp(buffer,"disabled"))
 214                 {
 215                     TRACE("Disabling render target locking\n");
 216                     wined3d_settings.rendertargetlock_mode = RTL_DISABLE;
 217                 }
 218                 else if (!strcmp(buffer,"readdraw"))
 219                 {
 220                     TRACE("Using glReadPixels for render target reading and glDrawPixels for writing\n");
 221                     wined3d_settings.rendertargetlock_mode = RTL_READDRAW;
 222                 }
 223                 else if (!strcmp(buffer,"readtex"))
 224                 {
 225                     TRACE("Using glReadPixels for render target reading and textures for writing\n");
 226                     wined3d_settings.rendertargetlock_mode = RTL_READTEX;
 227                 }
 228                 else if (!strcmp(buffer,"texdraw"))
 229                 {
 230                     TRACE("Using textures for render target reading and glDrawPixels for writing\n");
 231                     wined3d_settings.rendertargetlock_mode = RTL_TEXDRAW;
 232                 }
 233                 else if (!strcmp(buffer,"textex"))
 234                 {
 235                     TRACE("Reading render targets via textures and writing via textures\n");
 236                     wined3d_settings.rendertargetlock_mode = RTL_TEXTEX;
 237                 }
 238             }
 239             if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
 240             {
 241                 int TmpVideoMemorySize = atoi(buffer);
 242                 if(TmpVideoMemorySize > 0)
 243                 {
 244                     wined3d_settings.emulated_textureram = TmpVideoMemorySize *1024*1024;
 245                     TRACE("Use %iMB = %d byte for emulated_textureram\n",
 246                             TmpVideoMemorySize,
 247                             wined3d_settings.emulated_textureram);
 248                 }
 249                 else
 250                     ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
 251             }
 252             if ( !get_config_key( hkey, appkey, "WineLogo", buffer, size) )
 253             {
 254                 wined3d_settings.logo = HeapAlloc(GetProcessHeap(), 0, strlen(buffer) + 1);
 255                 if(wined3d_settings.logo) strcpy(wined3d_settings.logo, buffer);
 256             }
 257        }
 258        if (wined3d_settings.vs_mode == VS_HW)
 259            TRACE("Allow HW vertex shaders\n");
 260        if (wined3d_settings.ps_mode == PS_NONE)
 261            TRACE("Disable pixel shaders\n");
 262        if (wined3d_settings.vbo_mode == VBO_NONE)
 263            TRACE("Disable Vertex Buffer Hardware support\n");
 264        if (wined3d_settings.glslRequested)
 265            TRACE("If supported by your system, GL Shading Language will be used\n");
 266
 267        if (appkey) RegCloseKey( appkey );
 268        if (hkey) RegCloseKey( hkey );
 269     }
 270     return TRUE;
 271 }