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     FALSE,          /* Use of GLSL disabled by default */
  43     ORM_BACKBUFFER, /* Use the backbuffer to do offscreen rendering */
  44     RTL_AUTO,       /* Automatically determine best locking method */
  45     64*1024*1024    /* 64MB texture memory by default */
  46 };
  47
  48 WineD3DGlobalStatistics *wineD3DGlobalStatistics = NULL;
  49
  50 long globalChangeGlRam(long glram){
  51     /* FIXME: replace this function with object tracking */
  52     int result;
  53
  54     wineD3DGlobalStatistics->glsurfaceram     += glram;
  55     TRACE("Adjusted gl ram by %ld to %d\n", glram, wineD3DGlobalStatistics->glsurfaceram);
  56     result = wineD3DGlobalStatistics->glsurfaceram;
  57     return result;
  58
  59 }
  60
  61 IWineD3D* WINAPI WineDirect3DCreate(UINT SDKVersion, UINT dxVersion, IUnknown *parent) {
  62     IWineD3DImpl* object;
  63
  64     if (!InitAdapters()) {
  65         WARN("Failed to initialize direct3d adapters, Direct3D will not be available\n");
  66         if(dxVersion > 7) {
  67             ERR("Direct3D%d is not available without opengl\n", dxVersion);
  68             return NULL;
  69         }
  70     }
  71
  72     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DImpl));
  73     object->lpVtbl = &IWineD3D_Vtbl;
  74     object->dxVersion = dxVersion;
  75     object->ref = 1;
  76     object->parent = parent;
  77
  78     /*Create a structure for storing global data in*/
  79     if(wineD3DGlobalStatistics == NULL){
  80         TRACE("Creating global statistics store\n");
  81         wineD3DGlobalStatistics = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wineD3DGlobalStatistics));
  82
  83     }
  84
  85     TRACE("Created WineD3D object @ %p for d3d%d support\n", object, dxVersion);
  86
  87     return (IWineD3D *)object;
  88 }
  89
  90 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
  91 {
  92     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  93     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
  94     return ERROR_FILE_NOT_FOUND;
  95 }
  96
  97 /* At process attach */
  98 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  99 {
 100     TRACE("WineD3D DLLMain Reason=%d\n", fdwReason);
 101     if (fdwReason == DLL_PROCESS_ATTACH)
 102     {
 103        HMODULE mod;
 104        char buffer[MAX_PATH+10];
 105        DWORD size = sizeof(buffer);
 106        HKEY hkey = 0;
 107        HKEY appkey = 0;
 108        DWORD len;
 109        WNDCLASSA wc;
 110
 111        wined3d_settings.emulated_textureram = 64*1024*1024;
 112
 113        /* We need our own window class for a fake window which we use to retrieve GL capabilities */
 114        /* We might need CS_OWNDC in the future if we notice strange things on Windows.
 115         * Various articles/posts about OpenGL problems on Windows recommend this. */
 116        wc.style                = CS_HREDRAW | CS_VREDRAW;
 117        wc.lpfnWndProc          = DefWindowProcA;
 118        wc.cbClsExtra           = 0;
 119        wc.cbWndExtra           = 0;
 120        wc.hInstance            = hInstDLL;
 121        wc.hIcon                = LoadIconA(NULL, (LPCSTR)IDI_WINLOGO);
 122        wc.hCursor              = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
 123        wc.hbrBackground        = NULL;
 124        wc.lpszMenuName         = NULL;
 125        wc.lpszClassName        = "WineD3D_OpenGL";
 126
 127        if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
 128        {
 129            ERR("Failed to register window class 'WineD3D_OpenGL'!");
 130            return FALSE;
 131        }
 132
 133        DisableThreadLibraryCalls(hInstDLL);
 134
 135        mod = GetModuleHandleA( "winex11.drv" );
 136        if (mod)
 137        {
 138            wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 139            wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 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,"enabled"))
 200                 {
 201                     TRACE("Use of GL Shading Language enabled for systems that support it\n");
 202                     wined3d_settings.glslRequested = TRUE;
 203                 }
 204                 else
 205                 {
 206                     TRACE("Use of GL Shading Language disabled\n");
 207                 }
 208             }
 209             if ( !get_config_key( hkey, appkey, "OffscreenRenderingMode", buffer, size) )
 210             {
 211                 if (!strcmp(buffer,"backbuffer"))
 212                 {
 213                     TRACE("Using the backbuffer for offscreen rendering\n");
 214                     wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
 215                 }
 216                 else if (!strcmp(buffer,"pbuffer"))
 217                 {
 218                     TRACE("Using PBuffers for offscreen rendering\n");
 219                     wined3d_settings.offscreen_rendering_mode = ORM_PBUFFER;
 220                 }
 221                 else if (!strcmp(buffer,"fbo"))
 222                 {
 223                     TRACE("Using FBOs for offscreen rendering\n");
 224                     wined3d_settings.offscreen_rendering_mode = ORM_FBO;
 225                 }
 226             }
 227             if ( !get_config_key( hkey, appkey, "RenderTargetLockMode", buffer, size) )
 228             {
 229                 if (!strcmp(buffer,"disabled"))
 230                 {
 231                     TRACE("Disabling render target locking\n");
 232                     wined3d_settings.rendertargetlock_mode = RTL_DISABLE;
 233                 }
 234                 else if (!strcmp(buffer,"readdraw"))
 235                 {
 236                     TRACE("Using glReadPixels for render target reading and glDrawPixels for writing\n");
 237                     wined3d_settings.rendertargetlock_mode = RTL_READDRAW;
 238                 }
 239                 else if (!strcmp(buffer,"readtex"))
 240                 {
 241                     TRACE("Using glReadPixels for render target reading and textures for writing\n");
 242                     wined3d_settings.rendertargetlock_mode = RTL_READTEX;
 243                 }
 244                 else if (!strcmp(buffer,"texdraw"))
 245                 {
 246                     TRACE("Using textures for render target reading and glDrawPixels for writing\n");
 247                     wined3d_settings.rendertargetlock_mode = RTL_TEXDRAW;
 248                 }
 249                 else if (!strcmp(buffer,"textex"))
 250                 {
 251                     TRACE("Reading render targets via textures and writing via textures\n");
 252                     wined3d_settings.rendertargetlock_mode = RTL_TEXTEX;
 253                 }
 254             }
 255             if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
 256             {
 257                 int TmpVideoMemorySize = atoi(buffer);
 258                 if(TmpVideoMemorySize > 0)
 259                 {
 260                     wined3d_settings.emulated_textureram = TmpVideoMemorySize *1024*1024;
 261                     TRACE("Use %iMB = %d byte for emulated_textureram\n",
 262                             TmpVideoMemorySize,
 263                             wined3d_settings.emulated_textureram);
 264                 }
 265                 else
 266                     ERR("VideoMemorySize is %i but must be >0\n", TmpVideoMemorySize);
 267             }
 268        }
 269        if (wined3d_settings.vs_mode == VS_HW)
 270            TRACE("Allow HW vertex shaders\n");
 271        if (wined3d_settings.ps_mode == PS_NONE)
 272            TRACE("Disable pixel shaders\n");
 273        if (wined3d_settings.vbo_mode == VBO_NONE)
 274            TRACE("Disable Vertex Buffer Hardware support\n");
 275        if (wined3d_settings.glslRequested)
 276            TRACE("If supported by your system, GL Shading Language will be used\n");
 277
 278        if (appkey) RegCloseKey( appkey );
 279        if (hkey) RegCloseKey( hkey );
 280     }
 281     return TRUE;
 282 }