enhanced_polling_priority

dist/popnhax/popnhax.xml

@@ -1,5 +1,14 @@
 <?xml version='1.0' encoding='shift-jis'?>
 <popnhax>
+  <!-- Databases -->
+    <!-- Enable database modifications (omnimix, custom tracks) -->
+    <patch_db __type="bool">0</patch_db>
+
+    <!-- Force unlock music, charts, and characters -->
+    <force_unlocks __type="bool">0</force_unlocks>
+    <!-- Force unlock deco parts (avoid using this on later games without deco) -->
+    <force_unlock_deco __type="bool">0</force_unlock_deco>
+
   <!-- Classic patches -->
     <!-- Prevent crash on boot when using a different default audio source (aka HDMI audio patch) -->
     <audio_source_fix __type="bool">0</audio_source_fix>
@@ -19,7 +28,6 @@
   <!-- Stage management -->
     <!-- Premium free (unlimited stages per credit) -->
     <pfree __type="bool">0</pfree>
-
     <!-- Press numpad 9 in song to retire instantly, or on result screen to leave game session (thank you for playing) -->
     <!-- quick_retire with pfree also enables quick retry: hold numpad 7 to retry -->
     <quick_retire __type="bool">0</quick_retire>
@@ -31,7 +39,7 @@
   <!-- Visual offset -->
     <!-- Hidden+ setting (press 0 for advanced options) is now a visual offset adjust (negative means you have to hit earlier) -->
     <hidden_is_offset __type="bool">0</hidden_is_offset>
-    <!-- Display offset adjust on score result screen (requires hidden_is_offset, won't be sent over network) -->
+    <!-- Display offset adjust value on score result screen (requires hidden_is_offset, won't be sent over network) -->
     <show_offset __type="bool">0</show_offset>
     <!-- Display fast/slow counter on result screen even on judge+ off/lost/panic -->
     <show_fast_slow __type="bool">0</show_fast_slow>
@@ -48,19 +56,6 @@
     <!-- 1000Hz polling stats (display onscreen info to check performance on your system) -->
     <enhanced_polling_stats __type="bool">0</enhanced_polling_stats>
 
-  <!-- Databases -->
-    <!-- Force unlock music, charts, and characters -->
-    <force_unlocks __type="bool">0</force_unlocks>
-    <!-- Force unlock deco parts (avoid using this on later games without deco) -->
-    <force_unlock_deco __type="bool">0</force_unlock_deco>
-
-    <!-- Enable database modifications (omnimix, custom tracks) -->
-    <patch_db __type="bool">0</patch_db>
-    <!-- Auto select patch file from data_mods folder (will detect datecode from ea3-config or force_datecode option) -->
-    <patch_xml_auto __type="bool">1</patch_xml_auto>
-    <!-- Manually set XML file containing patches (requires patch_xml_auto to be disabled) -->
-    <patch_xml_filename __type="str"></patch_xml_filename>
-
   <!-- LCD mod on CRT cabs -->
     <!-- HD timing for pcb_type=0 -->
     <force_hd_timing __type="bool">0</force_hd_timing>
@@ -92,8 +87,20 @@
     <beam_brightness __type="s8">0</beam_brightness>
     <!-- Disable the builtin frame limiter (faster/smoother animations at 120fps+) -->
     <fps_uncap __type="bool">0</fps_uncap>
+    <!-- 1000Hz polling thread priority (for enhanced_polling only, might cause crashes on some systems if set too high)
+         values THREAD_PRIORITY_LOWEST        -2
+                THREAD_PRIORITY_BELOW_NORMAL  -1
+                THREAD_PRIORITY_NORMAL         0
+                THREAD_PRIORITY_ABOVE_NORMAL   1
+                THREAD_PRIORITY_HIGHEST        2
+                THREAD_PRIORITY_TIME_CRITICAL  15                             -->
+    <enhanced_polling_priority __type="s8">0</enhanced_polling_priority>
 
   <!-- Song db patches -->
+    <!-- Auto select patch file from data_mods folder (will detect datecode from ea3-config or force_datecode option) -->
+    <patch_xml_auto __type="bool">1</patch_xml_auto>
+    <!-- Manually set XML file containing patches (requires patch_xml_auto to be disabled) -->
+    <patch_xml_filename __type="str"></patch_xml_filename>
     <!-- Force the newly created buffers to be the same size as the original buffers -->
     <disable_expansions __type="bool">0</disable_expansions>
     <!-- Copy the new table information over top the old tables (automatically enables disable_expansions) -->

popnhax/config.h

@@ -41,6 +41,7 @@ struct popnhax_config {
     bool enhanced_polling;
     uint8_t debounce;
     bool enhanced_polling_stats;
+    int8_t enhanced_polling_priority;
 };
 
 #endif

popnhax/dllmain.cc

@@ -160,6 +160,8 @@ PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_U8, struct popnhax_config, debounce,
                  "/popnhax/debounce")
 PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_BOOL, struct popnhax_config, enhanced_polling_stats,
                  "/popnhax/enhanced_polling_stats")
+PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_S8, struct popnhax_config, enhanced_polling_priority,
+                 "/popnhax/enhanced_polling_priority")
 PSMAP_END
 
 enum BufferIndexes {
@@ -1938,7 +1940,11 @@ static unsigned int __stdcall enhanced_polling_stats_proc(void *ctx)
         Sleep(500);
     }
 
-    SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
+    if (config.enhanced_polling_priority)
+    {
+        SetThreadPriority(GetCurrentThread(), config.enhanced_polling_priority);
+        fprintf(stderr, "[Enhanced polling] Thread priority set to %d\n", GetThreadPriority(GetCurrentThread()));
+    }
 
     uint32_t count = 0;
     uint32_t count_time = 0;
@@ -2023,7 +2029,11 @@ static unsigned int __stdcall enhanced_polling_proc(void *ctx)
         Sleep(500);
     }
 
-    SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
+    if (config.enhanced_polling_priority)
+    {
+        SetThreadPriority(GetCurrentThread(), config.enhanced_polling_priority);
+        fprintf(stderr, "[Enhanced polling] Thread priority set to %d\n", GetThreadPriority(GetCurrentThread()));
+    }
 
     uint32_t curr_poll_time = 0;
     uint32_t prev_poll_time = 0;