diff --git a/src/WallpaperEngine/Core/Objects/CEffect.cpp b/src/WallpaperEngine/Core/Objects/CEffect.cpp
index e95f8fb..45abe3f 100644
--- a/src/WallpaperEngine/Core/Objects/CEffect.cpp
+++ b/src/WallpaperEngine/Core/Objects/CEffect.cpp
@@ -157,7 +157,7 @@ void CEffect::constantsFromJSON (json::const_iterator constants_it, Core::Object
         }
         else if ((*cur).is_number_integer () == true)
         {
-            constant = new Effects::Constants::CShaderConstantInteger ((*cur).get <irr::s32> ());
+            constant = new Effects::Constants::CShaderConstantInteger ((*cur).get <int> ());
         }
         else if ((*cur).is_string () == true)
         {
diff --git a/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.cpp b/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.cpp
index 1e6fa6b..64120ea 100644
--- a/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.cpp
+++ b/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.cpp
@@ -105,9 +105,9 @@ const std::map<std::string, CShaderConstant*>& CPass::getConstants () const
     return this->m_constants;
 }
 
-const std::map<std::string, int>& CPass::getCombos () const
+std::map<std::string, int>* CPass::getCombos ()
 {
-    return this->m_combos;
+    return &this->m_combos;
 }
 
 const std::string& CPass::getShader () const
diff --git a/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.h b/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.h
index 9779211..fdd581c 100644
--- a/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.h
+++ b/src/WallpaperEngine/Core/Objects/Images/Materials/CPass.h
@@ -22,7 +22,7 @@ namespace WallpaperEngine::Core::Objects::Images::Materials
         const std::vector<std::string>& getTextures () const;
         const std::map<std::string, Effects::Constants::CShaderConstant*>& getConstants () const;
 
-        const std::map<std::string, int>& getCombos () const;
+        std::map<std::string, int>* getCombos ();
         const std::string& getShader () const;
         const std::string& getBlendingMode () const;
         const std::string& getCullingMode () const;
diff --git a/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp b/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
index 6f1f25d..f4cbbe9 100644
--- a/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
+++ b/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
@@ -270,10 +270,12 @@ void CPass::setupShaders ()
         this->m_material->getImage ()->getContainer (),
         this->m_pass->getShader (),
         Shaders::Compiler::Type_Vertex,
-        this->m_fragShader->getCombos (),
+        this->m_pass->getCombos (),
         this->m_pass->getConstants ()
     );
     this->m_vertShader->precompile ();
+    this->m_fragShader->precompile ();
+    this->m_vertShader->precompile ();
 
     // compile the shaders
     GLuint vertexShaderID = compileShader (this->m_vertShader, GL_VERTEX_SHADER);
diff --git a/src/WallpaperEngine/Render/Shaders/Compiler.cpp b/src/WallpaperEngine/Render/Shaders/Compiler.cpp
index 2b7bce6..9122cc9 100644
--- a/src/WallpaperEngine/Render/Shaders/Compiler.cpp
+++ b/src/WallpaperEngine/Render/Shaders/Compiler.cpp
@@ -28,7 +28,7 @@ namespace WallpaperEngine::Render::Shaders
             CContainer* container,
             std::string filename,
             Type type,
-            std::map<std::string, int> combos,
+            std::map<std::string, int>* combos,
             const std::map<std::string, CShaderConstant*>& constants,
             bool recursive) :
         m_combos (combos),
@@ -228,6 +228,7 @@ namespace WallpaperEngine::Render::Shaders
 
     void Compiler::precompile()
     {
+        // TODO: SEPARATE THIS IN TWO SO THE COMBOS ARE DETECTED FIRST AND WE DO NOT REQUIRE DOUBLE COMPILATION OF THE SHADER'S SOURCE
     #define BREAK_IF_ERROR if (this->m_error == true) { throw std::runtime_error ("ERROR PRE-COMPILING SHADER" + this->m_errorInfo); }
         // parse the shader and find #includes and such things and translate them to the correct name
         // also remove any #version definition to prevent errors
@@ -236,6 +237,7 @@ namespace WallpaperEngine::Render::Shaders
         // reset error indicator
         this->m_error = false;
         this->m_errorInfo = "";
+        this->m_compiledContent = "";
 
         // search preprocessor macros and parse them
         while (it != this->m_content.end () && this->m_error == false)
@@ -459,8 +461,8 @@ namespace WallpaperEngine::Render::Shaders
                           "#define GLSL 1\n\n";
 
             // add combo values
-            auto cur = this->m_combos.begin ();
-            auto end = this->m_combos.end ();
+            auto cur = this->m_combos->begin ();
+            auto end = this->m_combos->end ();
 
             for (; cur != end; cur ++)
             {
@@ -494,11 +496,11 @@ namespace WallpaperEngine::Render::Shaders
         this->m_compiledContent += "\n";
 
         // check the combos
-        std::map<std::string, int>::const_iterator entry = this->m_combos.find ((*combo).get <std::string> ());
+        std::map<std::string, int>::const_iterator entry = this->m_combos->find ((*combo).get <std::string> ());
 
         // if the combo was not found in the predefined values this means that the default value in the JSON data can be used
         // so only define the ones that are not already defined
-        if (entry == this->m_combos.end ())
+        if (entry == this->m_combos->end ())
         {
             // if no combo is defined just load the default settings
             if ((*defvalue).is_number_float ())
@@ -507,7 +509,7 @@ namespace WallpaperEngine::Render::Shaders
             }
             else if ((*defvalue).is_number_integer ())
             {
-                this->m_combos.insert (std::make_pair <std::string, int> (*combo, (*defvalue).get <irr::s32> ()));
+                this->m_combos->insert (std::make_pair <std::string, int> (*combo, (*defvalue).get <int> ()));
             }
             else if ((*defvalue).is_string ())
             {
@@ -576,10 +578,10 @@ namespace WallpaperEngine::Render::Shaders
         }
         else if (type == "int")
         {
-            irr::s32 value = 0;
+            int value = 0;
 
             if (constant == this->m_constants.end ())
-                value = (*defvalue).get <irr::s32> ();
+                value = (*defvalue).get <int> ();
             else if ((*constant).second->is <CShaderConstantFloat> () == true)
                 value = *(*constant).second->as <CShaderConstantFloat> ()->getValue ();
             else if ((*constant).second->is <CShaderConstantInteger> () == true)
@@ -597,7 +599,7 @@ namespace WallpaperEngine::Render::Shaders
             if (combo != data.end ())
             {
                 // add the new combo to the list
-                this->m_combos.insert (std::make_pair<std::string, int> (*combo, 1));
+                this->m_combos->insert (std::make_pair <std::string, int> (*combo, 1));
                 // also ensure that the textureName is loaded and we know about it
                 CTexture* texture = this->m_container->readTexture ((*textureName).get <std::string> ());
                 // extract the texture number from the name
@@ -647,7 +649,7 @@ namespace WallpaperEngine::Render::Shaders
         return this->m_parameters;
     }
 
-    const std::map <std::string, int>& Compiler::getCombos () const
+    std::map <std::string, int>* Compiler::getCombos () const
     {
         return this->m_combos;
     }
diff --git a/src/WallpaperEngine/Render/Shaders/Compiler.h b/src/WallpaperEngine/Render/Shaders/Compiler.h
index bf5dcaf..62e94a3 100644
--- a/src/WallpaperEngine/Render/Shaders/Compiler.h
+++ b/src/WallpaperEngine/Render/Shaders/Compiler.h
@@ -54,7 +54,7 @@ namespace WallpaperEngine::Render::Shaders
             CContainer* container,
             std::string filename,
             Type type,
-            std::map<std::string, int> combos,
+            std::map<std::string, int>* combos,
             const std::map<std::string, CShaderConstant*>& constants,
             bool recursive = false
         );
@@ -85,7 +85,7 @@ namespace WallpaperEngine::Render::Shaders
         /**
          * @return The list of combos available for this shader after compilation
          */
-        const std::map <std::string, int>& getCombos () const;
+        std::map <std::string, int>* getCombos () const;
         /**
          * @return The list of textures inferred from the shader's code
          */
@@ -228,7 +228,7 @@ namespace WallpaperEngine::Render::Shaders
         /**
          * The combos the shader should be generated with
          */
-         std::map <std::string, int> m_combos;
+         std::map <std::string, int>* m_combos;
          /**
           * The shader constants with values for variables inside the shader
           */