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