fixed shadows, fixed bad viewport when using shadows

shaders/shadow.frag.glsl

@@ -16,12 +16,11 @@ void main()
     if(texture(alphaMask, varTexCoord).r < 0.5)
         discard;
 #endif
-        /*
+
 #ifdef POINT_LIGHT
     //gl_FragDepth = float(fcolor_idx)/6;
     gl_FragDepth = length(fragPos.xyz)/far_plane;
 #else
     gl_FragDepth = gl_FragCoord.z;
-#endif*/
-    gl_FragDepth = 0.5;
+#endif
 }

src/deferredpipeline.cpp

@@ -105,6 +105,8 @@ void DeferredPipeline::renderGL(Scene *scene)
     if(m_renderTarget == NULL)
         return;
 
+    glViewport(0, 0, m_width, m_height);
+
     // GEOMETRY PASS
     std::vector<GeometryNode*> mesh2D;
     m_gBuffer->bindFBO();

src/light.cpp

@@ -108,11 +108,14 @@ void DirectionnalLight::initShadowMap(int resolution, bool isCascaded)
         unsigned int flag = 1 << DIRECTIONNAL_FLAG;
         m_shaders[0] = source.compile(Mesh::MESH_3D, flag);
         m_shaders[1] = source.compile(Mesh::MESH_3D & Mesh::MATERIAL_ALPHA_MASK, flag);
-        
+
+        // not ready yet
+        /*
         source.setSource(shaderMap["shaders/shadow.geom.glsl"], ShaderSource::GEOMETRY);
         flag |= 1 << CASCADED_FLAG;
         m_shaders[2] = source.compile(Mesh::MESH_3D, flag);
         m_shaders[3] = source.compile(Mesh::MESH_3D & Mesh::MATERIAL_ALPHA_MASK, flag);
+        */
     }
     if(!m_shadowCaster)
         ++m_shaderRefCounter;
@@ -157,7 +160,7 @@ void DirectionnalLight::destroyShadowMap()
         --m_shaderRefCounter;
         if(m_shaderRefCounter == 0)
         {
-            for(int i=0; i<4; ++i)
+            for(int i=0; i<2; ++i) // TODO replace 2 by 4 when cascaded shadowmaps shaders are ready
                 delete m_shaders[i];
         }
         if(m_shadowMap != NULL)

src/light.h

@@ -69,13 +69,14 @@ public:
     virtual LightType getType() { return DIRECTIONNAL; }
     virtual void bindAttributes(Shader *shader, Camera *camera);
     virtual unsigned int getFlags();
+    virtual bool isShadowCaster() { return m_shadowCaster; }
     
     void initShadowMap(int resolution, bool isCascaded = false);
     void destroyShadowMap();
     void setShadowView(glm::vec3 dim = glm::vec3(1), glm::vec3 center = glm::vec3(0));
     void setCascadedShadowView(Camera *camera);
     void updateShadowMap(Scene* scene);
-    
+
 private:
     glm::vec3 m_direction;