diff --git a/.github/workflows/doom3_windows_x64_msvc.yml b/.github/workflows/doom3_windows_x64_msvc.yml
index fa1632cfd..74c99eae2 100644
--- a/.github/workflows/doom3_windows_x64_msvc.yml
+++ b/.github/workflows/doom3_windows_x64_msvc.yml
@@ -6,12 +6,12 @@ on:
   push:
     branches: [ "master" ]
     paths:
-      - 'Q3E/src/main/jni/doom3/neo/**'
+      #- 'Q3E/src/main/jni/doom3/neo/**'
       - '.github/workflows/doom3_windows_x64_msvc.yml'
   pull_request:
     branches: [ "master" ]
     paths:
-      - 'Q3E/src/main/jni/doom3/neo/**'
+      #- 'Q3E/src/main/jni/doom3/neo/**'
       - '.github/workflows/doom3_windows_x64_msvc.yml'
 
 jobs:
diff --git a/Q3E/src/main/jni/doom3/neo/CMakeLists.txt b/Q3E/src/main/jni/doom3/neo/CMakeLists.txt
index b400c5735..8acf36fda 100644
--- a/Q3E/src/main/jni/doom3/neo/CMakeLists.txt
+++ b/Q3E/src/main/jni/doom3/neo/CMakeLists.txt
@@ -558,7 +558,7 @@ else() #TODO linux
 		if(SDL2_FOUND)
 			set(LINUX_SDL TRUE)
 			message(STATUS "use SDL2")
-			include_directories(${SDL2_INCLUDE_DIR})
+			include_directories(${SDL2_INCLUDE_DIRS})
 			set(SDLx_LIBRARY ${SDL2_LIBRARIES})
 			add_definitions(-D_SDL)
 			set(sys_libs ${sys_libs} ${SDLx_LIBRARY})
diff --git a/Q3E/src/main/jni/etw/src/rendererGLES/tr_init.c b/Q3E/src/main/jni/etw/src/rendererGLES/tr_init.c
index d6bf5d5a6..b8a073cdb 100644
--- a/Q3E/src/main/jni/etw/src/rendererGLES/tr_init.c
+++ b/Q3E/src/main/jni/etw/src/rendererGLES/tr_init.c
@@ -1166,10 +1166,10 @@ void R_Register(void)
     harm_r_stencilShadowPersonal = ri.Cvar_Get("harm_r_stencilShadowPersonal", "1", CVAR_ARCHIVE); // 1=always render player model shadow; 2=render player model shadow(by harm_r_stencilShadowModel); 0=
     harm_r_stencilShadowMaxAngle = ri.Cvar_Get("harm_r_stencilShadowMaxAngle", "-1", CVAR_ARCHIVE); // if( dot( lightDir, vec3(0, 0, 1) ) > cos(DEG2RAD(harm_r_stencilShadowMaxAngle)) ) render stencil shadow. e.g. <0=allow all angle; 0=disable all; 180=allow all; 90=only when light direction is down
     harm_r_stencilShadowModel = ri.Cvar_Get("harm_r_stencilShadowModel", "3", CVAR_ARCHIVE); // model type mask=1 2 4 8; 0=all model
+    harm_r_stencilShadowOp = ri.Cvar_Get("harm_r_stencilShadowOp", "0", CVAR_ARCHIVE); // 1=z-pass; 2=z-fail; 0=auto(personal: z-fail)
 
     harm_r_stencilShadowMask = ri.Cvar_Get("harm_r_stencilShadowMask", "0", STENCIL_SHADOW_CVAR_FLAG); // 1=render mask every render shadow volume; 0=render mask after all surfaces render
     harm_r_stencilShadowDebug = ri.Cvar_Get("harm_r_stencilShadowDebug", "0", 0);  // debug stencil shadow: 1=render edges; 2=render front cap; 4=render far cap
-    harm_r_stencilShadowOp = ri.Cvar_Get("harm_r_stencilShadowOp", "0", STENCIL_SHADOW_CVAR_FLAG); // 1=z-pass; 2=z-fail; 0=auto(personal: z-fail)
     harm_r_stencilShadowCap = ri.Cvar_Get("harm_r_stencilShadowCap", "1", STENCIL_SHADOW_CVAR_FLAG); // 1=render shadow volume's caps(near cap: back facing light source; far cap: back facing light source); 2=render shadow volume's caps(near cap: facing light source; far cap: back facing light source); 3=render shadow volume's caps(near cap: facing light source; far cap: facing light source); 0=don't render shadow volume's caps exclude personal(personal is same as 1)
     harm_r_stencilShadowInfinite = ri.Cvar_Get("harm_r_stencilShadowInfinite", "0", STENCIL_SHADOW_CVAR_FLAG); // <0=edge's far.w = 0.0 and use 4-components(xyzw); >=0=use 3-components(xyz). 0: 512, |length|
 
diff --git a/Q3E/src/main/jni/realrtcw/code/renderer/tr_animation.c b/Q3E/src/main/jni/realrtcw/code/renderer/tr_animation.c
index 4a861cfd7..fee82564e 100644
--- a/Q3E/src/main/jni/realrtcw/code/renderer/tr_animation.c
+++ b/Q3E/src/main/jni/realrtcw/code/renderer/tr_animation.c
@@ -406,7 +406,9 @@ void R_AddAnimSurfaces( trRefEntity_t *ent ) {
 			 !personalModel
 #endif
 			 && r_shadows->integer == 2
+#if !defined(STENCIL_SHADOW_IMPROVE) //karin: allow shadow on fog
 			 && fogNum == 0
+#endif
 			 && !(ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) )
 			 && shader->sort == SS_OPAQUE 
 #ifdef STENCIL_SHADOW_IMPROVE //karin: ignore alpha test shader pass and special model type exclude player model
@@ -1642,7 +1644,9 @@ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ) {
 			 !personalModel
 #endif
 		        && r_shadows->integer == 2
+#if !defined(STENCIL_SHADOW_IMPROVE) //karin: allow shadow on fog
 			&& fogNum == 0
+#endif
 			&& !(ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) )
 			&& shader->sort == SS_OPAQUE 
 #ifdef STENCIL_SHADOW_IMPROVE //karin: ignore alpha test shader pass and special model type exclude player model
diff --git a/Q3E/src/main/jni/realrtcw/code/renderer/tr_cmesh.c b/Q3E/src/main/jni/realrtcw/code/renderer/tr_cmesh.c
index b9da11a93..956ca573c 100644
--- a/Q3E/src/main/jni/realrtcw/code/renderer/tr_cmesh.c
+++ b/Q3E/src/main/jni/realrtcw/code/renderer/tr_cmesh.c
@@ -431,7 +431,9 @@ void R_AddMDCSurfaces( trRefEntity_t *ent ) {
 			 !personalModel
 #endif
 			 && r_shadows->integer == 2
+#if !defined(STENCIL_SHADOW_IMPROVE) //karin: allow shadow on fog
 			 && fogNum == 0
+#endif
 			 && !( ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) )
 			 && shader->sort == SS_OPAQUE 
 #ifdef STENCIL_SHADOW_IMPROVE //karin: ignore alpha test shader pass and special model type exclude player model
diff --git a/Q3E/src/main/jni/realrtcw/code/renderer/tr_init.c b/Q3E/src/main/jni/realrtcw/code/renderer/tr_init.c
index f8c813843..d9f3f625f 100644
--- a/Q3E/src/main/jni/realrtcw/code/renderer/tr_init.c
+++ b/Q3E/src/main/jni/realrtcw/code/renderer/tr_init.c
@@ -1403,11 +1403,11 @@ void R_Register( void ) {
 #endif
 	harm_r_stencilShadowPersonal = ri.Cvar_Get("harm_r_stencilShadowPersonal", "1", CVAR_ARCHIVE); // 1=always render player model shadow; 2=render player model shadow(by harm_r_stencilShadowModel); 0=
 	harm_r_stencilShadowMaxAngle = ri.Cvar_Get("harm_r_stencilShadowMaxAngle", "-1", CVAR_ARCHIVE); // if( dot( lightDir, vec3(0, 0, 1) ) > cos(DEG2RAD(harm_r_stencilShadowMaxAngle)) ) render stencil shadow. e.g. <0=allow all angle; 0=disable all; 180=allow all; 90=only when light direction is down
-	harm_r_stencilShadowMask = ri.Cvar_Get("harm_r_stencilShadowMask", "0", STENCIL_SHADOW_CVAR_FLAG); // 1=render mask every render shadow volume; 0=render mask after all surfaces render
+	harm_r_stencilShadowModel = ri.Cvar_Get("harm_r_stencilShadowModel", "3", CVAR_ARCHIVE); // model type mask=1 2 4 8 16; 0=all model
+	harm_r_stencilShadowOp = ri.Cvar_Get("harm_r_stencilShadowOp", "0", CVAR_ARCHIVE); // 1=z-pass; 2=z-fail; 0=auto(personal: z-fail)
 
+	harm_r_stencilShadowMask = ri.Cvar_Get("harm_r_stencilShadowMask", "0", STENCIL_SHADOW_CVAR_FLAG); // 1=render mask every render shadow volume; 0=render mask after all surfaces render
 	harm_r_stencilShadowDebug = ri.Cvar_Get("harm_r_stencilShadowDebug", "0", 0);  // debug stencil shadow: 1=render edges; 2=render front cap; 4=render far cap
-	harm_r_stencilShadowModel = ri.Cvar_Get("harm_r_stencilShadowModel", "3", STENCIL_SHADOW_CVAR_FLAG); // model type mask=1 2 4 8 16; 0=all model
-	harm_r_stencilShadowOp = ri.Cvar_Get("harm_r_stencilShadowOp", "0", STENCIL_SHADOW_CVAR_FLAG); // 1=z-pass; 2=z-fail; 0=auto(personal: z-fail)
 	harm_r_stencilShadowCap = ri.Cvar_Get("harm_r_stencilShadowCap", "1", STENCIL_SHADOW_CVAR_FLAG); // 1=render shadow volume's caps(near cap: back facing light source; far cap: back facing light source); 2=render shadow volume's caps(near cap: facing light source; far cap: back facing light source); 3=render shadow volume's caps(near cap: facing light source; far cap: facing light source); 0=don't render shadow volume's caps exclude personal(personal is same as 1)
 
 	harm_r_shadowPolygonOffset = ri.Cvar_Get("harm_r_shadowPolygonOffset", "0", STENCIL_SHADOW_CVAR_FLAG); // render shadow volume's polygon offset units: DOOM3 default is -1
diff --git a/Q3E/src/main/jni/realrtcw/code/renderer/tr_mesh.c b/Q3E/src/main/jni/realrtcw/code/renderer/tr_mesh.c
index 83064dbb0..ccae46cd8 100644
--- a/Q3E/src/main/jni/realrtcw/code/renderer/tr_mesh.c
+++ b/Q3E/src/main/jni/realrtcw/code/renderer/tr_mesh.c
@@ -436,7 +436,9 @@ void R_AddMD3Surfaces( trRefEntity_t *ent ) {
 			 !personalModel
 #endif
 			 && r_shadows->integer == 2
+#if !defined(STENCIL_SHADOW_IMPROVE) //karin: allow shadow on fog
 			 && fogNum == 0
+#endif
 			 && !( ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) )
 			 && shader->sort == SS_OPAQUE 
 #ifdef STENCIL_SHADOW_IMPROVE //karin: ignore alpha test shader pass and special model type exclude player model
diff --git a/Q3E/src/main/jni/realrtcw/code/renderer/tr_model_iqm.c b/Q3E/src/main/jni/realrtcw/code/renderer/tr_model_iqm.c
index 1bdfbd2a8..a73f4dc00 100644
--- a/Q3E/src/main/jni/realrtcw/code/renderer/tr_model_iqm.c
+++ b/Q3E/src/main/jni/realrtcw/code/renderer/tr_model_iqm.c
@@ -1144,7 +1144,9 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
 			 !personalModel
 #endif
 			&& r_shadows->integer == 2
+#if !defined(STENCIL_SHADOW_IMPROVE) //karin: allow shadow on fog
 			&& fogNum == 0
+#endif
 			&& !(ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) ) 
 			&& shader->sort == SS_OPAQUE 
 #ifdef STENCIL_SHADOW_IMPROVE //karin: ignore alpha test shader pass and special model type exclude player model