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Allow to load a custom d3d9 library as a workaround for some driver bugs #25

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Allow to load a custom d3d9 library as a workaround for some driver bugs #25

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Allow to load a custom d3d9 library as a workaround for some driver bugs
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@Hagb
Hagb committed Mar 12, 2024
commit de98bee4b21c6ef087139a8cfeb109df976eb996
28 changes: 27 additions & 1 deletion swrstoys/dummy.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,33 @@ BOOL APIENTRY DllMain(HMODULE this_module_, DWORD ul_reason_for_call, LPVOID) {
}
wcscat(sys_dir, L"\\D3D9.DLL");

orig_module = ::LoadLibraryW(sys_dir);
auto ucrtbase = GetModuleHandleA("ucrtbase.dll");
errno_t (*putenv_s)(const char*, const char*);
if (ucrtbase && (putenv_s = (errno_t (*)(const char*, const char*))GetProcAddress(ucrtbase, "_putenv_s"))) {
// `export WINEDEBUG="-d3d,$WINEDEBUG"`
// to prevent wined3d from keeping printing warnings.
char *oldWINEDEBUG = (char*) malloc(128);
DWORD ret = GetEnvironmentVariable("WINEDEBUG", oldWINEDEBUG, 128);
if (ret == 0)
strcpy(oldWINEDEBUG, "");
else if (128 < ret) {
oldWINEDEBUG = (char*) realloc(oldWINEDEBUG, ret);
if (GetEnvironmentVariable("WINEDEBUG", oldWINEDEBUG, ret) == 0)
strcpy(oldWINEDEBUG, "");
}
// place "-d3d" at the beginning of %WINEDEBUG% so it will not override user's settings.
char *newWINEDEBUG = (char*) malloc(ret + 6);
strcpy(newWINEDEBUG, "-d3d,");
strcat(newWINEDEBUG, oldWINEDEBUG);
free(oldWINEDEBUG);
SetEnvironmentVariable("WINEDEBUG", newWINEDEBUG);
putenv_s("WINEDEBUG", newWINEDEBUG);
free(newWINEDEBUG);
}

orig_module = ::LoadLibraryW(L".\\d3d9_custom.dll");
if (orig_module == NULL)
orig_module = ::LoadLibraryW(sys_dir);
if (orig_module == NULL) {
return FALSE;
}
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