[dxvk] Add config option for graphics pipeline library enablement

dxvk.conf

@@ -272,6 +272,20 @@
 # dxvk.shrinkNvidiaHvvHeap = Auto
 
 
+# Controls graphics pipeline library behaviour
+#
+# Can be used to change VK_EXT_graphics_pipeline_library usage for
+# debugging purpose. Doing so will likely result in increased stutter
+# or degraded performance.
+#
+# Supported values:
+# - Auto: Enable if supported, and compile optimized pipelines in the background
+# - True: Enable if supported, but do not compile optimized pipelines
+# - False: Always disable the feature
+
+# dxvk.enableGraphicsPipelineLibrary = Auto
+
+
 # Sets enabled HUD elements
 # 
 # Behaves like the DXVK_HUD environment variable if the

src/dxvk/dxvk_device.cpp

@@ -46,7 +46,8 @@ namespace dxvk {
     // cannot use this effectively in many games since no client API provides
     // interpoation qualifiers in vertex shaders.
     return m_features.extGraphicsPipelineLibrary.graphicsPipelineLibrary
-        && m_properties.extGraphicsPipelineLibrary.graphicsPipelineLibraryIndependentInterpolationDecoration;
+        && m_properties.extGraphicsPipelineLibrary.graphicsPipelineLibraryIndependentInterpolationDecoration
+        && m_options.enableGraphicsPipelineLibrary != Tristate::False;
   }
 
 

src/dxvk/dxvk_options.cpp

@@ -6,6 +6,7 @@ namespace dxvk {
     enableDebugUtils      = config.getOption<bool>    ("dxvk.enableDebugUtils",       false);
     enableStateCache      = config.getOption<bool>    ("dxvk.enableStateCache",       true);
     numCompilerThreads    = config.getOption<int32_t> ("dxvk.numCompilerThreads",     0);
+    enableGraphicsPipelineLibrary = config.getOption<Tristate>("dxvk.enableGraphicsPipelineLibrary", Tristate::Auto);
     useRawSsbo            = config.getOption<Tristate>("dxvk.useRawSsbo",             Tristate::Auto);
     shrinkNvidiaHvvHeap   = config.getOption<Tristate>("dxvk.shrinkNvidiaHvvHeap",    Tristate::Auto);
     hud                   = config.getOption<std::string>("dxvk.hud", "");

src/dxvk/dxvk_options.h

@@ -18,6 +18,9 @@ namespace dxvk {
     /// when using the state cache
     int32_t numCompilerThreads;
 
+    /// Enable graphics pipeline library
+    Tristate enableGraphicsPipelineLibrary;
+
     /// Shader-related options
     Tristate useRawSsbo;
 

src/dxvk/dxvk_pipemanager.cpp

@@ -167,7 +167,8 @@ namespace dxvk {
     m_cache     (device),
     m_workers   (device, &m_cache),
     m_stateCache(device, this, &m_workers) {
-
+    Logger::info(str::format("DXVK: Graphics pipeline libraries ",
+      (m_device->canUseGraphicsPipelineLibrary() ? "supported" : "not supported")));
   }