[dxvk] Add a config option to enable debug utils in addition to DXVK_PERF_EVENTS=1

dxvk.conf

@@ -557,3 +557,13 @@
 # - True/False
 
 # d3d9.apitraceMode = False
+
+# Debug Utils
+#
+# Enables debug utils as this is off by default, this enables user annotations like BeginEvent()/EndEvent().
+# Alternatively could be enabled with DXVK_PERF_EVENTS=1 environment variable.
+#
+# Supported values:
+# - True/False
+
+# dxvk.enableDebugUtils = True

src/dxvk/dxvk_instance.cpp

@@ -94,8 +94,10 @@ namespace dxvk {
 
     // Hide VK_EXT_debug_utils behind an environment variable. This extension
     // adds additional overhead to winevulkan
-    if (env::getEnvVar("DXVK_PERF_EVENTS") == "1") {
+    if ((env::getEnvVar("DXVK_PERF_EVENTS") == "1") || 
+      (m_options.enableDebugUtils)) {
         insExtensionList.push_back(&insExtensions.extDebugUtils);
+        Logger::warn("DXVK: Debug Utils are enabled, perf events are ON. May affect performance!");
     }
 
     DxvkNameSet extensionsEnabled;

src/dxvk/dxvk_options.cpp

@@ -3,6 +3,7 @@
 namespace dxvk {
 
   DxvkOptions::DxvkOptions(const Config& config) {
+    enableDebugUtils      = config.getOption<bool>    ("dxvk.enableDebugUtils",       false);
     enableStateCache      = config.getOption<bool>    ("dxvk.enableStateCache",       true);
     numCompilerThreads    = config.getOption<int32_t> ("dxvk.numCompilerThreads",     0);
     useRawSsbo            = config.getOption<Tristate>("dxvk.useRawSsbo",             Tristate::Auto);

src/dxvk/dxvk_options.h

@@ -8,6 +8,9 @@ namespace dxvk {
     DxvkOptions() { }
     DxvkOptions(const Config& config);
 
+    /// Enable debug utils (alternative to DXVK_PERF_EVENTS=1)
+    bool enableDebugUtils;
+
     /// Enable state cache
     bool enableStateCache;