Deferred Shading update

-Deferred Shading now use a dynamics pass system
-Forward Shading is now capable of rendering more than three lights
(Multipass)


Former-commit-id: 74ed0b998d72aa9eb3bd2aab938a75985ebb2bf6

src/Nazara/Graphics/Resources/DeferredShading/Shaders/PointLight.frag

@@ -29,11 +29,11 @@ void main()
 {
 	vec2 texCoord = gl_FragCoord.xy * InvTargetSize;
 	vec4 gVec0 = textureLod(GBuffer0, texCoord, 0.0);
-	if (gVec0.w == 0.0)
+/*	if (gVec0.w == 0.0)
 	{
 		RenderTarget0 = vec4(gVec0.xyz, 1.0);
 		return;
-	}
+	}*/
 
 	vec4 gVec1 = textureLod(GBuffer1, texCoord, 0.0);
 	vec4 gVec2 = textureLod(GBuffer2, texCoord, 0.0);

src/Nazara/Graphics/Resources/DeferredShading/Shaders/SpotLight.frag

@@ -29,11 +29,11 @@ void main()
 {
 	vec2 texCoord = gl_FragCoord.xy * InvTargetSize;
 	vec4 gVec0 = textureLod(GBuffer0, texCoord, 0.0);
-	if (gVec0.w == 0.0)
+/*	if (gVec0.w == 0.0)
 	{
 		RenderTarget0 = vec4(gVec0.xyz, 1.0);
 		return;
-	}
+	}*/
 
 	vec4 gVec1 = textureLod(GBuffer1, texCoord, 0.0);
 	vec4 gVec2 = textureLod(GBuffer2, texCoord, 0.0);