[dxvk] Change DXVK_PERF_EVENTS environment variable to DXVK_DEBUG

README.md

@@ -124,7 +124,7 @@ The following environment variables can be used for **debugging** purposes.
 - `DXVK_LOG_LEVEL=none|error|warn|info|debug` Controls message logging.
 - `DXVK_LOG_PATH=/some/directory` Changes path where log files are stored. Set to `none` to disable log file creation entirely, without disabling logging.
 - `DXVK_CONFIG_FILE=/xxx/dxvk.conf` Sets path to the configuration file.
-- `DXVK_PERF_EVENTS=1` Enables use of the VK_EXT_debug_utils extension for translating performance event markers.
+- `DXVK_DEBUG=markers|validation` Enables use of the `VK_EXT_debug_utils` extension for translating performance event markers, or to enable Vulkan validation, respecticely.
 
 ## Troubleshooting
 DXVK requires threading support from your mingw-w64 build environment. If you

dxvk.conf

@@ -558,7 +558,7 @@
 # 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.
+# Alternatively could be enabled with DXVK_DEBUG=markers environment variable.
 #
 # Supported values:
 # - True/False

src/dxvk/dxvk_instance.cpp

@@ -98,8 +98,7 @@ 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") || 
-      (m_options.enableDebugUtils)) {
+    if ((!env::getEnvVar("DXVK_DEBUG").empty()) || (m_options.enableDebugUtils)) {
         insExtensionList.push_back(&insExtensions.extDebugUtils);
         Logger::warn("DXVK: Debug Utils are enabled, perf events are ON. May affect performance!");
     }

src/dxvk/dxvk_options.h

@@ -8,7 +8,7 @@ namespace dxvk {
     DxvkOptions() { }
     DxvkOptions(const Config& config);
 
-    /// Enable debug utils (alternative to DXVK_PERF_EVENTS=1)
+    /// Enable debug utils
     bool enableDebugUtils;
 
     /// Enable state cache