PR #14021 from Nir-Az: Change GLSL for processing default to off

(cherry picked from commit e9e0bb6)

Author: OhadMeir

common/device-model.h

@@ -159,7 +159,7 @@ namespace rs2
         namespace performance
         {
             static const char* glsl_for_rendering{ "performance.glsl_for_rendering.v2" };
-            static const char* glsl_for_processing{ "performance.glsl_for_processing.v2" };
+            static const char* glsl_for_processing{ "performance.glsl_for_processing.v3" };
             static const char* enable_msaa{ "performance.msaa" };
             static const char* msaa_samples{ "performance.msaa_samples" };
             static const char* show_fps{ "performance.show_fps" };

common/ux-window.cpp

@@ -105,6 +105,7 @@ namespace rs2
 
         config_file::instance().set_nested_default(configurations::dds::enable_dds, false);
         config_file::instance().set_nested_default(configurations::dds::domain_id, 0);
+        
 #ifdef __APPLE__
 
         config_file::instance().set_default(configurations::performance::font_oversample, 2);
@@ -158,6 +159,10 @@ namespace rs2
             config_file::instance().set_default(configurations::viewer::shading_mode, 0);
         }
 #endif
+
+        // Since we have seen on several laptops models that using GLSL for processing cause a memory leak decided to disable it by default
+        // Users can still enable it if they wish
+        config_file::instance().set_default(configurations::performance::glsl_for_processing, false);
     }
 
     void ux_window::reload()