diff --git a/Effects/bowwave.eff b/Effects/bowwave.eff
index 3a388555d..f0d0ebddc 100644
--- a/Effects/bowwave.eff
+++ b/Effects/bowwave.eff
@@ -492,7 +492,7 @@
 			<!-- 			END fog include -->
 		</pass>
 	</technique>
-	<technique n="10">
+	<technique n="11"> <!-- FIXME: this technique number overlaps the one in model-default -->
 		<predicate>
 			<and>
 				<property>/sim/rendering/shaders/water</property>
diff --git a/Effects/bumpspec.eff b/Effects/bumpspec.eff
index 032f5e816..ed49fbbfb 100644
--- a/Effects/bumpspec.eff
+++ b/Effects/bumpspec.eff
@@ -34,7 +34,7 @@ in Aircraft/A320/Models/Effects/a320_bumpspec.eff ( or whatever, private to the
     <tangent type="int">6</tangent>
     <binormal type="int">7</binormal>
   </generate>
-  <technique n="10">
+  <technique n="11"> <!-- This number should be the same than the second technique in model-default -->
     <predicate>
       <and>
         <property>/sim/rendering/shaders/model</property>
diff --git a/Effects/model-combined.eff b/Effects/model-combined.eff
index 7c67b4fd5..efa3be3c6 100644
--- a/Effects/model-combined.eff
+++ b/Effects/model-combined.eff
@@ -148,7 +148,7 @@ please see Docs/README.model-combined.eff for documentation
 		<binormal type="int">7</binormal>
 	</generate>-->
 
-	<technique n="10">
+	<technique n="11"> <!-- FIXME: this technique number overlaps the one in model-default -->
 		<predicate>
 			<and>
 				<property>/sim/rendering/shaders/model</property>
diff --git a/Effects/model-default.eff b/Effects/model-default.eff
index d2e313cf4..dea9819fc 100644
--- a/Effects/model-default.eff
+++ b/Effects/model-default.eff
@@ -11,6 +11,7 @@
 			<color-mode-uniform>1</color-mode-uniform>
 			<!-- DIFFUSE -->
 		</material>
+		<material-id>0</material-id>
 		<!-- 		BEGIN fog include -->
 		<visibility>
 			<use>/environment/ground-visibility-m</use>
@@ -131,7 +132,75 @@
     </pass>
   </technique>
 
-	<technique n="10">
+<technique n="10">
+	<predicate>
+		<and>
+			<property>/sim/rendering/rembrandt</property>
+			<or>
+				<less-equal>
+					<value type="float">2.0</value>
+					<glversion/>
+				</less-equal>
+				<and>
+					<extension-supported>GL_ARB_shader_objects</extension-supported>
+					<extension-supported>GL_ARB_shading_language_100</extension-supported>
+					<extension-supported>GL_ARB_vertex_shader</extension-supported>
+					<extension-supported>GL_ARB_fragment_shader</extension-supported>
+				</and>
+			</or>
+			<extension-supported>GL_EXT_gpu_shader4</extension-supported>
+			<extension-supported>GL_ARB_texture_rg</extension-supported>
+		</and>
+	</predicate>
+	<pass>
+		<lighting>false</lighting>
+		<material>
+			<ambient><use>material/ambient</use></ambient>
+			<diffuse><use>material/diffuse</use></diffuse>
+			<specular><use>material/specular</use></specular>
+			<emissive><use>material/emissive</use></emissive>
+			<shininess><use>material/shininess</use></shininess>
+			<color-mode>ambient-and-diffuse</color-mode>
+		</material>
+		<blend>false</blend>
+		<alpha-test>true</alpha-test>
+		<shade-model>smooth</shade-model>
+		<cull-face>back</cull-face>
+		<render-bin>
+			<bin-number>1</bin-number>
+			<bin-name>RenderBin</bin-name>
+		</render-bin>
+		<texture-unit>
+			<unit>0</unit>
+			<image><use>texture[0]/image</use></image>
+			<filter><use>texture[0]/filter</use></filter>
+			<wrap-s><use>texture[0]/wrap-s</use></wrap-s>
+			<wrap-t><use>texture[0]/wrap-t</use></wrap-t>
+			<internal-format>
+				<use>texture[0]/internal-format</use>
+			</internal-format>
+			<environment>
+				<mode>modulate</mode>
+			</environment>
+		</texture-unit>
+		<program>
+			<vertex-shader>Shaders/deferred-gbuffer.vert</vertex-shader>
+			<fragment-shader>Shaders/deferred-gbuffer.frag</fragment-shader>
+		</program>
+		<uniform>
+			<name>texture</name>
+			<type>sampler-2d</type>
+			<value type="int">0</value>
+		</uniform>
+		<!-- uniform>
+			<name>materialID</name>
+			<type>int</type>
+			<value><use>material-id</use></value>
+		</uniform -->
+	</pass>
+</technique>
+
+	<technique n="11">
 		<predicate>
 			<and>
 				<property>/sim/rendering/shaders/generic</property>
@@ -290,7 +359,7 @@
 			</uniform>
 		</pass>
 	</technique>
-	<technique n="11">
+	<technique n="12">
 		<pass>
 			<lighting>true</lighting>
 			<material>
diff --git a/Effects/terrain-default.eff b/Effects/terrain-default.eff
index d4f259abc..4de6ce0fa 100644
--- a/Effects/terrain-default.eff
+++ b/Effects/terrain-default.eff
@@ -35,6 +35,7 @@
 			<bin-number>0</bin-number>
 			<bin-name>RenderBin</bin-name>
 		</render-bin>
+		<material-id>0</material-id>
 		<visibility><use>/environment/ground-visibility-m</use></visibility>
 		<avisibility><use>/environment/visibility-m</use></avisibility>
 		<lthickness><use>/environment/ground-haze-thickness-m</use></lthickness>
@@ -195,6 +196,74 @@
   </technique>
 
 <technique n="10">
+	<predicate>
+		<and>
+			<property>/sim/rendering/rembrandt</property>
+			<or>
+				<less-equal>
+					<value type="float">2.0</value>
+					<glversion/>
+				</less-equal>
+				<and>
+					<extension-supported>GL_ARB_shader_objects</extension-supported>
+					<extension-supported>GL_ARB_shading_language_100</extension-supported>
+					<extension-supported>GL_ARB_vertex_shader</extension-supported>
+					<extension-supported>GL_ARB_fragment_shader</extension-supported>
+				</and>
+			</or>
+			<extension-supported>GL_EXT_gpu_shader4</extension-supported>
+			<extension-supported>GL_ARB_texture_rg</extension-supported>
+		</and>
+	</predicate>
+	<pass>
+		<lighting>false</lighting>
+		<material>
+			<ambient><use>material/ambient</use></ambient>
+			<diffuse><use>material/diffuse</use></diffuse>
+			<specular><use>material/specular</use></specular>
+			<emissive><use>material/emissive</use></emissive>
+			<shininess><use>material/shininess</use></shininess>
+			<color-mode>ambient-and-diffuse</color-mode>
+		</material>
+		<blend>false</blend>
+		<alpha-test>true</alpha-test>
+		<shade-model>smooth</shade-model>
+		<cull-face>back</cull-face>
+		<render-bin>
+			<bin-number>1</bin-number>
+			<bin-name>RenderBin</bin-name>
+		</render-bin>
+		<texture-unit>
+			<unit>0</unit>
+			<image><use>texture[0]/image</use></image>
+			<filter><use>texture[0]/filter</use></filter>
+			<wrap-s><use>texture[0]/wrap-s</use></wrap-s>
+			<wrap-t><use>texture[0]/wrap-t</use></wrap-t>
+			<internal-format>
+				<use>texture[0]/internal-format</use>
+			</internal-format>
+			<environment>
+				<mode>modulate</mode>
+			</environment>
+		</texture-unit>
+		<program>
+			<vertex-shader>Shaders/deferred-gbuffer.vert</vertex-shader>
+			<fragment-shader>Shaders/deferred-gbuffer.frag</fragment-shader>
+		</program>
+		<uniform>
+			<name>texture</name>
+			<type>sampler-2d</type>
+			<value type="int">0</value>
+		</uniform>
+		<!-- uniform>
+			<name>materialID</name>
+			<type>int</type>
+			<value><use>material-id</use></value>
+		</uniform -->
+	</pass>
+</technique>
+
+<technique n="11">
 		<predicate>
 			<and>
 				<property>/sim/rendering/shaders/generic</property>
@@ -394,7 +463,7 @@
 	</technique>
 
 	
-	<technique n="11">
+	<technique n="12">
 		<pass>
 			<lighting>true</lighting>
 			<material>
diff --git a/Shaders/deferred-gbuffer.frag b/Shaders/deferred-gbuffer.frag
new file mode 100644
index 000000000..5f765347a
--- /dev/null
+++ b/Shaders/deferred-gbuffer.frag
@@ -0,0 +1,21 @@
+#extension GL_EXT_gpu_shader4 : enable
+//
+// attachment 0:  normal.x  |  normal.x  |  normal.y  |  normal.y
+// attachment 1: diffuse.r  | diffuse.g  | diffuse.b  | material Id
+// attachment 2: specular.l | shininess  | emission.l |  unused
+//
+varying vec3 ecNormal;
+varying vec4 color;
+uniform int materialID;
+uniform sampler2D texture;
+void main() {
+	float specular = dot( gl_FrontMaterial.specular.rgb, vec3( 0.3, 0.59, 0.11 ) );
+	float shininess = gl_FrontMaterial.shininess;
+	float emission = dot( gl_FrontLightModelProduct.sceneColor.rgb, vec3( 0.3, 0.59, 0.11 ) );
+    vec4 texel = texture2D(texture, gl_TexCoord[0].st);
+	if (texel.a * color.a < 0.1)
+		discard;
+    gl_FragData[0] = vec4( ecNormal.xy, 0.0, 1.0 );
+    gl_FragData[1] = vec4( color.rgb * texel.rgb, float( materialID ) / 255.0 );
+    gl_FragData[2] = vec4( specular, shininess / 255.0, emission, 1.0 );
+}
diff --git a/Shaders/deferred-gbuffer.vert b/Shaders/deferred-gbuffer.vert
new file mode 100644
index 000000000..b517ab146
--- /dev/null
+++ b/Shaders/deferred-gbuffer.vert
@@ -0,0 +1,13 @@
+//
+// attachment 0:  normal.x  |  normal.x  |  normal.y  |  normal.y
+// attachment 1: diffuse.r  | diffuse.g  | diffuse.b  | material Id
+// attachment 2: specular.l | shininess  | emission.l |  unused
+//
+varying vec3 ecNormal;
+varying vec4 color;
+void main() {
+    ecNormal = gl_NormalMatrix * gl_Normal;
+    gl_Position = ftransform();
+    gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+    color = gl_Color;
+}