diff --git a/cogl/cogl-pipeline-fragend-arbfp.c b/cogl/cogl-pipeline-fragend-arbfp.c
index 18f855362..5878be4c1 100644
--- a/cogl/cogl-pipeline-fragend-arbfp.c
+++ b/cogl/cogl-pipeline-fragend-arbfp.c
@@ -381,15 +381,22 @@ setup_texture_source (ArbfpProgramState *arbfp_program_state,
 {
   if (!arbfp_program_state->unit_state[unit_index].sampled)
     {
-      g_string_append_printf (arbfp_program_state->source,
-                              "TEMP texel%d;\n"
-                              "TEX texel%d,fragment.texcoord[%d],"
-                              "texture[%d],%s;\n",
-                              unit_index,
-                              unit_index,
-                              unit_index,
-                              unit_index,
-                              gl_target_to_arbfp_string (gl_target));
+      if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING)))
+        g_string_append_printf (arbfp_program_state->source,
+                                "TEMP texel%d;\n"
+                                "MOV texel%d, one;\n",
+                                unit_index,
+                                unit_index);
+      else
+        g_string_append_printf (arbfp_program_state->source,
+                                "TEMP texel%d;\n"
+                                "TEX texel%d,fragment.texcoord[%d],"
+                                "texture[%d],%s;\n",
+                                unit_index,
+                                unit_index,
+                                unit_index,
+                                unit_index,
+                                gl_target_to_arbfp_string (gl_target));
       arbfp_program_state->unit_state[unit_index].sampled = TRUE;
     }
 }
diff --git a/cogl/cogl-pipeline-fragend-glsl.c b/cogl/cogl-pipeline-fragend-glsl.c
index b101ab3d7..10ac6cb6a 100644
--- a/cogl/cogl-pipeline-fragend-glsl.c
+++ b/cogl/cogl-pipeline-fragend-glsl.c
@@ -350,6 +350,15 @@ add_texture_lookup (GlslShaderState *glsl_shader_state,
   int unit_index = _cogl_pipeline_layer_get_unit_index (layer);
   const char *target_string, *tex_coord_swizzle;
 
+  if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING)))
+    {
+      g_string_append (glsl_shader_state->source,
+                       "vec4 (1.0, 1.0, 1.0, 1.0).");
+      g_string_append (glsl_shader_state->source, swizzle);
+
+      return;
+    }
+
   texture = _cogl_pipeline_layer_get_texture (layer);
 
   if (texture == COGL_INVALID_HANDLE)