[dxvk] Add option to set number of pipeline compiler threads

src/dxvk/dxvk_options.cpp

@@ -3,7 +3,8 @@
 namespace dxvk {
 
   DxvkOptions::DxvkOptions(const Config& config) {
-    allowMemoryOvercommit = config.getOption<bool>("dxvk.allowMemoryOvercommit", false);
+    allowMemoryOvercommit = config.getOption<bool>    ("dxvk.allowMemoryOvercommit",  false);
+    numCompilerThreads    = config.getOption<int32_t> ("dxvk.numCompilerThreads",     0);
   }
 
 }

src/dxvk/dxvk_options.h

@@ -10,6 +10,10 @@ namespace dxvk {
     /// Allow allocating more memory from
     /// a heap than the device supports.
     bool allowMemoryOvercommit;
+
+    /// Number of compiler threads
+    /// when using the state cache
+    int32_t numCompilerThreads;
   };
 
 }

src/dxvk/dxvk_pipemanager.cpp

@@ -47,7 +47,7 @@ namespace dxvk {
     std::string useStateCache = env::getEnvVar(L"DXVK_STATE_CACHE");
     
     if (useStateCache != "0")
-      m_stateCache = new DxvkStateCache(this, passManager);
+      m_stateCache = new DxvkStateCache(device, this, passManager);
   }
   
   

src/dxvk/dxvk_state_cache.cpp

@@ -1,3 +1,4 @@
+#include "dxvk_device.h"
 #include "dxvk_pipemanager.h"
 #include "dxvk_state_cache.h"
 
@@ -29,6 +30,7 @@ namespace dxvk {
 
 
   DxvkStateCache::DxvkStateCache(
+    const DxvkDevice*           device,
           DxvkPipelineManager*  pipeManager,
           DxvkRenderPassPool*   passManager)
   : m_pipeManager(pipeManager),
@@ -65,6 +67,9 @@ namespace dxvk {
 
     if (numWorkers <  1) numWorkers =  1;
     if (numWorkers > 16) numWorkers = 16;
+
+    if (device->config().numCompilerThreads > 0)
+      numWorkers = device->config().numCompilerThreads;
     
     Logger::info(str::format("DXVK: Using ", numWorkers, " compiler threads"));
     

src/dxvk/dxvk_state_cache.h

@@ -13,6 +13,8 @@
 
 namespace dxvk {
 
+  class DxvkDevice;
+
   /**
    * \brief State cache entry key
    * 
@@ -81,6 +83,7 @@ namespace dxvk {
   public:
 
     DxvkStateCache(
+      const DxvkDevice*           device,
             DxvkPipelineManager*  pipeManager,
             DxvkRenderPassPool*   passManager);