#295 add workaround for Win11 steam RA2 crash

FunkyFr3sh · Mar 11, 2024 · 82571fe · 82571fe
1 parent f2d1e9e
commit 82571fe
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Showing 6 changed files with 32 additions and 10 deletions.
diff --git a/inc/config.h b/inc/config.h
@@ -20,6 +20,8 @@ typedef struct CNCDDRAWCONFIG
     char dll_file_ext[MAX_PATH];
     INIFILE ini;
     BOOL is_wine;
+    BOOL d3d9on12;
+    BOOL opengl_core;
 
     /* Optional settings */
 

diff --git a/inc/dd.h b/inc/dd.h
@@ -143,8 +143,6 @@ typedef struct CNCDDRAW
     DWORD minfps_tick_len;
     DWORD gui_thread_id;
     BOOL show_driver_warning;
-    BOOL d3d9on12;
-    BOOL opengl_core;
 
 } CNCDDRAW;
 

diff --git a/src/dd.c b/src/dd.c
@@ -1466,11 +1466,11 @@ HRESULT dd_CreateEx(GUID* lpGuid, LPVOID* lplpDD, REFIID iid, IUnknown* pUnkOute
 
         if (_strcmpi(g_config.renderer, "direct3d9on12") == 0)
         {
-            g_ddraw->d3d9on12 = TRUE;
+            g_config.d3d9on12 = TRUE;
         }
         else if (_strcmpi(g_config.renderer, "openglcore") == 0)
         {
-            g_ddraw->opengl_core = TRUE;
+            g_config.opengl_core = TRUE;
         }
 
         if (tolower(g_config.renderer[0]) == 'd') /* direct3d9 or direct3d9on12*/

diff --git a/src/dllmain.c b/src/dllmain.c
@@ -52,6 +52,12 @@ BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
 
             while (s)
             {
+                /* Workaround for bug in Windows 11 (Steam RA2 crash) */
+                if (_strcmpi(s, "Win7RTM") == 0)
+                {
+                    g_config.d3d9on12 = TRUE;
+                }
+
                 if (_strcmpi(s, "WIN95") == 0 || _strcmpi(s, "WIN98") == 0 || _strcmpi(s, "NT4SP5") == 0)
                 {
                     char mes[128] = { 0 };

diff --git a/src/opengl_utils.c b/src/opengl_utils.c
@@ -218,7 +218,7 @@ void oglu_init()
         wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)xwglGetProcAddress("wglCreateContextAttribsARB");
     }
 
-    if (g_ddraw->opengl_core)
+    if (g_config.opengl_core)
     {
         wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)xwglGetProcAddress("wglCreateContextAttribsARB");
     }

diff --git a/src/render_d3d9.c b/src/render_d3d9.c
@@ -27,11 +27,27 @@ BOOL d3d9_is_available()
 
     if ((g_d3d9.hmodule = real_LoadLibraryA("d3d9.dll")))
     {
-        IDirect3D9* (WINAPI * d3d_create9)(UINT) =
-            (IDirect3D9 * (WINAPI*)(UINT))real_GetProcAddress(g_d3d9.hmodule, "Direct3DCreate9");
+        if (g_config.d3d9on12)
+        {
+            D3D9ON12_ARGS args;
+            memset(&args, 0, sizeof(args));
+            args.Enable9On12 = TRUE;
+
+            IDirect3D9* (WINAPI * d3d_create9on12)(INT, D3D9ON12_ARGS*, UINT) =
+                (void*)real_GetProcAddress(g_d3d9.hmodule, "Direct3DCreate9On12");
+
+            if (d3d_create9on12 && (d3d9 = d3d_create9on12(D3D_SDK_VERSION, &args, 1)))
+                IDirect3D9_Release(d3d9);
+        }
 
-        if (d3d_create9 && (d3d9 = d3d_create9(D3D_SDK_VERSION)))
-            IDirect3D9_Release(d3d9);
+        if (!d3d9)
+        {
+            IDirect3D9* (WINAPI * d3d_create9)(UINT) =
+                (IDirect3D9 * (WINAPI*)(UINT))real_GetProcAddress(g_d3d9.hmodule, "Direct3DCreate9");
+
+            if (d3d_create9 && (d3d9 = d3d_create9(D3D_SDK_VERSION)))
+                IDirect3D9_Release(d3d9);
+        }
     }
 
     return d3d9 != NULL;
@@ -59,7 +75,7 @@ BOOL d3d9_create()
         IDirect3D9* (WINAPI * d3d_create9on12)(INT, D3D9ON12_ARGS*, UINT) = NULL;
         IDirect3D9* (WINAPI * d3d_create9)(UINT) = (void*)real_GetProcAddress(g_d3d9.hmodule, "Direct3DCreate9");
 
-        if (g_ddraw->d3d9on12)
+        if (g_config.d3d9on12)
         {
             d3d_create9on12 = (void*)real_GetProcAddress(g_d3d9.hmodule, "Direct3DCreate9On12");
         }