[dxvk] Add option to control pipeline lifetime tracking

dxvk.conf

@@ -286,6 +286,20 @@
 # dxvk.enableGraphicsPipelineLibrary = Auto
 
 
+# Controls pipeline lifetime tracking
+#
+# If enabled, pipeline libraries will be freed aggressively in order
+# save memory and address space. Has no effect if graphics pipeline
+# libraries are not supported or disabled.
+#
+# Supported values:
+# - Auto: Enable tracking for 32-bit applications only
+# - True: Always enable tracking
+# - False: Always disable tracking
+
+# dxvk.trackPipelineLifetime = Auto
+
+
 # Sets enabled HUD elements
 # 
 # Behaves like the DXVK_HUD environment variable if the

src/dxvk/dxvk_device.cpp

@@ -68,6 +68,13 @@ namespace dxvk {
   }
 
 
+  bool DxvkDevice::mustTrackPipelineLifetime() const {
+    bool result = env::is32BitHostPlatform();
+    applyTristate(result, m_options.trackPipelineLifetime);
+    return result && canUseGraphicsPipelineLibrary();
+  }
+
+
   DxvkFramebufferSize DxvkDevice::getDefaultFramebufferSize() const {
     return DxvkFramebufferSize {
       m_properties.core.properties.limits.maxFramebufferWidth,

src/dxvk/dxvk_device.h

@@ -209,6 +209,12 @@ namespace dxvk {
      */
     bool canUsePipelineCacheControl() const;
 
+    /**
+     * \brief Checks whether pipelines should be tracked
+     * \returns \c true if pipelines need to be tracked
+     */
+    bool mustTrackPipelineLifetime() const;
+
     /**
      * \brief Queries default framebuffer size
      * \returns Default framebuffer size

src/dxvk/dxvk_options.cpp

@@ -7,6 +7,7 @@ namespace dxvk {
     enableStateCache      = config.getOption<bool>    ("dxvk.enableStateCache",       true);
     numCompilerThreads    = config.getOption<int32_t> ("dxvk.numCompilerThreads",     0);
     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

@@ -21,6 +21,9 @@ namespace dxvk {
     /// Enable graphics pipeline library
     Tristate enableGraphicsPipelineLibrary;
 
+    /// Enables pipeline lifetime tracking
+    Tristate trackPipelineLifetime;
+
     /// Shader-related options
     Tristate useRawSsbo;