diff --git a/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/colorblind.glsl b/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/colorblind.glsl
index 2a6a16883d..b2c2c49b51 100644
--- a/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/colorblind.glsl
+++ b/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/colorblind.glsl
@@ -53,7 +53,6 @@ vec3 colorblind(int mode, vec3 color)
     lms = LMS * lms2lmst; // blue deficiency
   }
   else {
-    // Should be impossible to get here
     return color;
   }
 
diff --git a/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/fragui.glsl b/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/fragui.glsl
index cf013aacdd..e522d34400 100644
--- a/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/fragui.glsl
+++ b/runelite-client/src/main/resources/net/runelite/client/plugins/gpu/fragui.glsl
@@ -24,7 +24,6 @@
  */
 #version 330
 
-#define SAMPLING_DEFAULT 0
 #define SAMPLING_MITCHELL 1
 #define SAMPLING_CATROM 2
 #define SAMPLING_XBR 3
@@ -48,15 +47,19 @@ out vec4 FragColor;
 void main() {
     vec4 c;
 
-    if (samplingMode == SAMPLING_DEFAULT)
-        c = texture(tex, TexCoord);
-    else if (samplingMode == SAMPLING_CATROM || samplingMode == SAMPLING_MITCHELL)
-        c = textureCubic(tex, TexCoord, samplingMode);
-    else if (samplingMode == SAMPLING_XBR)
-        c = textureXBR(tex, TexCoord, xbrTable, ceil(1.0 * targetDimensions.x / sourceDimensions.x));
-
-    if (colorBlindMode > 0) {
-        c.rgb = colorblind(colorBlindMode, c.rgb);
+    switch (samplingMode) {
+        case SAMPLING_CATROM:
+        case SAMPLING_MITCHELL:
+            c = textureCubic(tex, TexCoord, samplingMode);
+            c.rgb = colorblind(colorBlindMode, c.rgb);
+            break;
+        case SAMPLING_XBR:
+            c = textureXBR(tex, TexCoord, xbrTable, ceil(1.0 * targetDimensions.x / sourceDimensions.x));
+            c.rgb = colorblind(colorBlindMode, c.rgb);
+            break;
+        default: // NEAREST or LINEAR, which uses GL_TEXTURE_MIN_FILTER/GL_TEXTURE_MAG_FILTER to affect sampling
+            c = texture(tex, TexCoord);
+            c.rgb = colorblind(colorBlindMode, c.rgb);
     }
 
     FragColor = c;