Added support to G-Buffer. (#532)

modules/base/shaders/model_fs.glsl

@@ -28,6 +28,7 @@ in vec2 vs_st;
 in vec3 vs_normalViewSpace;
 in vec4 vs_positionCameraSpace;
 in float vs_screenSpaceDepth;
+in vec3 vs_normalObjSpace;
 
 uniform bool performShading = true;
 uniform vec3 directionToSunViewSpace;
@@ -68,8 +69,11 @@ Fragment getFragment() {
         frag.color.rgb = diffuseAlbedo;
     }
 
-    frag.color.a = 1.0;
-    frag.depth = vs_screenSpaceDepth;
+    frag.color.a    = 1.0;
+    frag.depth      = vs_screenSpaceDepth;
+    frag.gPosition  = vs_positionCameraSpace;
+    frag.gNormal    = vec4(vs_normalObjSpace, 1.0);
+
 
     return frag;
 }

modules/base/shaders/model_vs.glsl

@@ -34,6 +34,7 @@ out vec2 vs_st;
 out vec3 vs_normalViewSpace;
 out float vs_screenSpaceDepth;
 out vec4 vs_positionCameraSpace;
+out vec3 vs_normalObjSpace;
 
 uniform mat4 modelViewTransform;
 uniform mat4 projectionTransform;