[dxvk] Use global user config for backend options

src/dxvk/dxvk_device.cpp

@@ -8,12 +8,13 @@ namespace dxvk {
     const Rc<vk::DeviceFn>&         vkd,
     const DxvkDeviceExtensions&     extensions,
     const DxvkDeviceFeatures&       features)
-  : m_adapter           (adapter),
+  : m_options           (adapter->instance()->config()),
+    m_adapter           (adapter),
     m_vkd               (vkd),
     m_extensions        (extensions),
     m_features          (features),
     m_properties        (adapter->deviceProperties()),
-    m_memory            (new DxvkMemoryAllocator    (adapter, vkd)),
+    m_memory            (new DxvkMemoryAllocator    (this)),
     m_renderPassPool    (new DxvkRenderPassPool     (vkd)),
     m_pipelineManager   (new DxvkPipelineManager    (this)),
     m_metaClearObjects  (new DxvkMetaClearObjects   (vkd)),

src/dxvk/dxvk_device.h

@@ -10,6 +10,7 @@
 #include "dxvk_image.h"
 #include "dxvk_memory.h"
 #include "dxvk_meta_clear.h"
+#include "dxvk_options.h"
 #include "dxvk_pipecache.h"
 #include "dxvk_pipemanager.h"
 #include "dxvk_queue.h"
@@ -84,6 +85,14 @@ namespace dxvk {
     VkDevice handle() const {
       return m_vkd->device();
     }
+
+    /**
+     * \brief Device options
+     * \returns Device options
+     */
+    const DxvkOptions& config() const {
+      return m_options;
+    }
     
     /**
      * \brief Graphics queue properties
@@ -371,6 +380,8 @@ namespace dxvk {
     
   private:
     
+    DxvkOptions                 m_options;
+
     Rc<DxvkAdapter>             m_adapter;
     Rc<vk::DeviceFn>            m_vkd;
     DxvkDeviceExtensions        m_extensions;

src/dxvk/dxvk_memory.cpp

@@ -1,3 +1,4 @@
+#include "dxvk_device.h"
 #include "dxvk_memory.h"
 
 namespace dxvk {
@@ -141,12 +142,11 @@ namespace dxvk {
   }
   
   
-  DxvkMemoryAllocator::DxvkMemoryAllocator(
-    const Rc<DxvkAdapter>&  adapter,
-    const Rc<vk::DeviceFn>& vkd)
-  : m_vkd     (vkd),
-    m_devProps(adapter->deviceProperties()),
-    m_memProps(adapter->memoryProperties()) {
+  DxvkMemoryAllocator::DxvkMemoryAllocator(const DxvkDevice* device)
+  : m_vkd             (device->vkd()),
+    m_devProps        (device->adapter()->deviceProperties()),
+    m_memProps        (device->adapter()->memoryProperties()),
+    m_allowOvercommit (device->config().allowMemoryOvercommit) {
     for (uint32_t i = 0; i < m_memProps.memoryHeapCount; i++) {
       VkDeviceSize heapSize = m_memProps.memoryHeaps[i].size;
       
@@ -269,7 +269,8 @@ namespace dxvk {
           VkDeviceSize                      size,
     const VkMemoryDedicatedAllocateInfoKHR* dedAllocInfo) {
     if ((type->memType.propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
-     && (type->heap->stats.memoryAllocated + size > type->heap->properties.size))
+     && (type->heap->stats.memoryAllocated + size > type->heap->properties.size)
+     && (!m_allowOvercommit))
       return DxvkDeviceMemory();
     
     DxvkDeviceMemory result;

src/dxvk/dxvk_memory.h

@@ -213,9 +213,7 @@ namespace dxvk {
     friend class DxvkMemoryChunk;
   public:
     
-    DxvkMemoryAllocator(
-      const Rc<DxvkAdapter>&  adapter,
-      const Rc<vk::DeviceFn>& vkd);
+    DxvkMemoryAllocator(const DxvkDevice* device);
     ~DxvkMemoryAllocator();
     
     /**
@@ -256,6 +254,7 @@ namespace dxvk {
     const Rc<vk::DeviceFn>                 m_vkd;
     const VkPhysicalDeviceProperties       m_devProps;
     const VkPhysicalDeviceMemoryProperties m_memProps;
+    const bool                             m_allowOvercommit;
     
     std::mutex                                      m_mutex;
     std::array<DxvkMemoryHeap, VK_MAX_MEMORY_HEAPS> m_memHeaps;

src/dxvk/dxvk_options.cpp

@@ -0,0 +1,10 @@
+#include "dxvk_options.h"
+
+namespace dxvk {
+
+  DxvkOptions::DxvkOptions(const Config& config) {
+    allowMemoryOvercommit = config.getOption<bool>("dxvk.allowMemoryOvercommit", false);
+    useAsyncPipeCompiler  = config.getOption<bool>("dxvk.useAsyncPipeCompiler",  false);
+  }
+
+}

src/dxvk/dxvk_options.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "../util/config/config.h"
+
+namespace dxvk {
+
+  struct DxvkOptions {
+    DxvkOptions(const Config& config);
+
+    /// Allow allocating more memory from
+    /// a heap than the device supports.
+    bool allowMemoryOvercommit;
+
+    /// Enable asynchronous pipeline compilation.
+    bool useAsyncPipeCompiler;
+  };
+
+}

src/dxvk/dxvk_pipemanager.cpp

@@ -42,8 +42,7 @@ namespace dxvk {
   : m_device  (device),
     m_cache   (new DxvkPipelineCache(device->vkd())),
     m_compiler(nullptr) {
-    // Async shader compilation is opt-in for now
-    if (env::getEnvVar(L"DXVK_USE_PIPECOMPILER") == "1")
+    if (m_device->config().useAsyncPipeCompiler)
       m_compiler = new DxvkPipelineCompiler();
   }
   

src/dxvk/meson.build

@@ -56,6 +56,7 @@ dxvk_src = files([
   'dxvk_meta_mipgen.cpp',
   'dxvk_meta_resolve.cpp',
   'dxvk_openvr.cpp',
+  'dxvk_options.cpp',
   'dxvk_pipecache.cpp',
   'dxvk_pipecompiler.cpp',
   'dxvk_pipelayout.cpp',