Big UberShader update

-Added GRAPHICS_MAX_LIGHTPERPASS macro
-Added glGetActiveUniform OpenGL function
-Added (Uber)ShaderLibrary
-Added (Uber)ShaderName parameter to models
-Changed uniform system
-Fixed Node copying
-Moved Material class to Graphics module
-Optimized lights
-Remade Shader class
-Renamed Node::Invalidate to Node::InvalidateNode
-Renamed ShaderProgram to Shader


Former-commit-id: 15f0cad52969e91a2442e7d750ba2dc412f3549d

src/Nazara/Graphics/Resources/Shaders/Basic/compatibility.vert

@@ -0,0 +1,42 @@
+/********************Entrant********************/
+varying mat4 InstanceData0;
+varying vec3 VertexPosition;
+varying vec2 VertexTexCoord;
+
+/********************Sortant********************/
+varying vec2 vTexCoord;
+
+/********************Uniformes********************/
+uniform float VertexDepth;
+uniform mat4 ViewProjMatrix;
+uniform mat4 WorldViewProjMatrix;
+
+/********************Fonctions********************/
+void main()
+{
+#if FLAG_INSTANCING
+	#if TRANSFORM
+	gl_Position = ViewProjMatrix * InstanceData0 * vec4(VertexPosition, 1.0);
+	#else
+		#if UNIFORM_VERTEX_DEPTH
+		gl_Position = InstanceData0 * vec4(VertexPosition.xy, VertexDepth, 1.0);
+		#else
+		gl_Position = InstanceData0 * vec4(VertexPosition, 1.0);
+		#endif
+	#endif
+#else
+	#if TRANSFORM
+	gl_Position = WorldViewProjMatrix * vec4(VertexPosition, 1.0);
+	#else
+		#if UNIFORM_VERTEX_DEPTH
+		gl_Position = vec4(VertexPosition.xy, VertexDepth, 1.0);
+		#else
+		gl_Position = vec4(VertexPosition, 1.0);
+		#endif
+	#endif
+#endif
+
+#if TEXTURE_MAPPING
+	vTexCoord = vec2(VertexTexCoord);
+#endif
+}