[dxvk] Remove shrinkNvidiaHVVHeap workaround

No longer needed.

dxvk.conf

@@ -259,19 +259,6 @@
 # dxvk.useRawSsbo = Auto
 
 
-# Controls Nvidia HVV behaviour.
-#
-# Restricts use of the host-visible, device-local heap on Nvidia drivers.
-# This is used to avoid NVIDIA driver bug 3114283 on affected drivers, as
-# well as in specific games on newer drivers.
-#
-# Supported values:
-# - True: Restrict HVV usage
-# - False: Do not restrict HVV usage
-
-# dxvk.shrinkNvidiaHvvHeap = False
-
-
 # Controls graphics pipeline library behaviour
 #
 # Can be used to change VK_EXT_graphics_pipeline_library usage for

src/dxvk/dxvk_memory.cpp

@@ -202,30 +202,6 @@ namespace dxvk {
       m_memTypes[i].memType    = m_memProps.memoryTypes[i];
       m_memTypes[i].memTypeId  = i;
     }
-
-    /* Check what kind of heap the HVV memory type is on, if any. If the
-     * HVV memory type is on the largest device-local heap, we either have
-     * an UMA system or an RBAR-enabled system. Otherwise, there will likely
-     * be a separate, smaller heap for it. */
-    VkDeviceSize largestDeviceLocalHeap = 0;
-
-    for (uint32_t i = 0; i < m_memProps.memoryTypeCount; i++) {
-      if (m_memTypes[i].memType.propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
-        largestDeviceLocalHeap = std::max(largestDeviceLocalHeap, m_memTypes[i].heap->properties.size);
-    }
-
-    /* Work around an issue on Nvidia drivers where using the
-     * entire HVV heap can cause slowdowns in specific games */
-    if (device->adapter()->matchesDriver(VK_DRIVER_ID_NVIDIA_PROPRIETARY_KHR, 0, 0)
-     && device->config().shrinkNvidiaHvvHeap) {
-      for (uint32_t i = 0; i < m_memProps.memoryTypeCount; i++) {
-        VkMemoryPropertyFlags hvvFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
-
-        if ((m_memTypes[i].memType.propertyFlags & hvvFlags) == hvvFlags
-         && (m_memTypes[i].heap->properties.size < largestDeviceLocalHeap))
-          m_memTypes[i].heap->budget = 32 << 20;
-      }
-    }
   }
   
   

src/dxvk/dxvk_options.cpp

@@ -9,7 +9,6 @@ namespace dxvk {
     enableGraphicsPipelineLibrary = config.getOption<Tristate>("dxvk.enableGraphicsPipelineLibrary", Tristate::Auto);
     trackPipelineLifetime = config.getOption<Tristate>("dxvk.trackPipelineLifetime",  Tristate::Auto);
     useRawSsbo            = config.getOption<Tristate>("dxvk.useRawSsbo",             Tristate::Auto);
-    shrinkNvidiaHvvHeap   = config.getOption<bool>    ("dxvk.shrinkNvidiaHvvHeap",    false);
     hud                   = config.getOption<std::string>("dxvk.hud", "");
   }
 

src/dxvk/dxvk_options.h

@@ -27,9 +27,6 @@ namespace dxvk {
     /// Shader-related options
     Tristate useRawSsbo;
 
-    /// Workaround for NVIDIA driver bug 3114283
-    bool shrinkNvidiaHvvHeap;
-
     /// HUD elements
     std::string hud;
   };

src/util/config/config.cpp

@@ -237,9 +237,9 @@ namespace dxvk {
     { R"(\\MarySkelter2\.exe$)", {{
       { "d3d11.disableMsaa",                "True" },
     }} },
-    /* Final Fantasy XIV - Stuttering on NV       */
+    /* Final Fantasy XIV: Uses lots of HVV and    *
+     * also reads some uncached memory.           */
     { R"(\\ffxiv_dx11\.exe$)", {{
-      { "dxvk.shrinkNvidiaHvvHeap",         "True" },
       { "d3d11.cachedDynamicResources",     "vi"   },
     }} },
     /* God of War - relies on NVAPI/AMDAGS for    *