[dxgi] Add custom device description option

dxvk.conf

@@ -31,6 +31,14 @@
 # d3d9.customVendorId = 0000
 
 
+# Override the reported device description
+#
+# Supported values: Any string.
+
+# dxgi.customDeviceDesc = ""
+# d3d9.customDeviceDesc = ""
+
+
 # Report Nvidia GPUs as AMD GPUs by default. This is enabled by default
 # to work around issues with NVAPI, but may cause issues in some games.
 #

src/dxgi/dxgi_adapter.cpp

@@ -253,6 +253,11 @@ namespace dxvk {
     if (options->customDeviceId >= 0)
       deviceProp.deviceID = options->customDeviceId;
     
+    const char* description = deviceProp.deviceName;
+    // Custom device description
+    if (!options->customDeviceDesc.empty())
+      description = options->customDeviceDesc.c_str();
+    
     // XXX nvapi workaround for a lot of Unreal Engine 4 games
     if (options->customVendorId < 0 && options->customDeviceId < 0
      && options->nvapiHack && deviceProp.vendorID == uint16_t(DxvkGpuVendor::Nvidia)) {
@@ -263,7 +268,7 @@ namespace dxvk {
     
     // Convert device name
     std::memset(pDesc->Description, 0, sizeof(pDesc->Description));
-    str::tows(deviceProp.deviceName, pDesc->Description);
+    str::tows(description, pDesc->Description);
     
     // Get amount of video memory
     // based on the Vulkan heaps

src/dxgi/dxgi_options.cpp

@@ -31,6 +31,7 @@ namespace dxvk {
     // Fetch these as a string representing a hexadecimal number and parse it.
     this->customVendorId = parsePciId(config.getOption<std::string>("dxgi.customVendorId"));
     this->customDeviceId = parsePciId(config.getOption<std::string>("dxgi.customDeviceId"));
+    this->customDeviceDesc = config.getOption<std::string>("dxgi.customDeviceDesc", "");
     
     // Interpret the memory limits as Megabytes
     this->maxDeviceMemory = VkDeviceSize(config.getOption<int32_t>("dxgi.maxDeviceMemory", 0)) << 20;

src/dxgi/dxgi_options.h

@@ -22,6 +22,7 @@ namespace dxvk {
     /// on a different GPU than they do and behave differently.
     int32_t customVendorId;
     int32_t customDeviceId;
+    std::string customDeviceDesc;
     
     /// Override maximum reported VRAM size. This may be
     /// useful for some 64-bit games which do not support