diff --git a/src/dxgi/shaders/dxgi_presenter_frag.frag b/src/dxgi/shaders/dxgi_presenter_frag.frag
index 498594670..ae8fa251b 100644
--- a/src/dxgi/shaders/dxgi_presenter_frag.frag
+++ b/src/dxgi/shaders/dxgi_presenter_frag.frag
@@ -18,26 +18,26 @@ layout(location = 0) out vec4 o_color;
 void main() {
   o_color = texture(sampler2D(t_texture, s_sampler), i_texcoord);
   
-  vec3 cp_lookup = o_color.rgb;
-  cp_lookup *= u_gamma_ramp.in_factor.rgb;
-  cp_lookup += u_gamma_ramp.in_offset.rgb;
-  
-  cp_lookup = clamp(
-    cp_lookup * float(CP_COUNT - 1),
-    0.0f, float(CP_COUNT - 1));
-  
-  vec3  cp_fpart = fract(cp_lookup);
-  ivec3 cp_index = ivec3(cp_lookup);
-  
-  for (int i = 0; i < 3; i++) {
-    int cp_entry = cp_index[i];
-    
-    float lo = u_gamma_ramp.cp_values[cp_entry + 0][i];
-    float hi = u_gamma_ramp.cp_values[cp_entry + 1][i];
-    
-    if (cp_entry == CP_COUNT - 1)
-      hi = lo;
-    
-    o_color[i] = mix(lo, hi, cp_fpart[i]);
-  }
+//   vec3 cp_lookup = o_color.rgb;
+//   cp_lookup *= u_gamma_ramp.in_factor.rgb;
+//   cp_lookup += u_gamma_ramp.in_offset.rgb;
+//   
+//   cp_lookup = clamp(
+//     cp_lookup * float(CP_COUNT - 1),
+//     0.0f, float(CP_COUNT - 1));
+//   
+//   vec3  cp_fpart = fract(cp_lookup);
+//   ivec3 cp_index = ivec3(cp_lookup);
+//   
+//   for (int i = 0; i < 3; i++) {
+//     int cp_entry = cp_index[i];
+//     
+//     float lo = u_gamma_ramp.cp_values[cp_entry + 0][i];
+//     float hi = u_gamma_ramp.cp_values[cp_entry + 1][i];
+//     
+//     if (cp_entry == CP_COUNT - 1)
+//       hi = lo;
+//     
+//     o_color[i] = mix(lo, hi, cp_fpart[i]);
+//   }
 }
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