diff --git a/include/libcamera/internal/shaders/bayer_8.frag b/include/libcamera/internal/shaders/bayer_8.frag
index 74ce15096ac0b8a221175d111d982d1222b7db38..78c2609c26d115e9d7522cf18a3ebbb7d82a7267 100644
--- a/include/libcamera/internal/shaders/bayer_8.frag
+++ b/include/libcamera/internal/shaders/bayer_8.frag
@@ -32,9 +32,17 @@ uniform mat3		ccm;
 void main(void) {
     vec3 rgb;
 
+    #if defined(RAW10P)
+    #define pixel(p) p.r / 4.0 + p.g * 64.0
+    #define fetch(x, y) pixel(texture2D(tex_y, vec2(x, y)))
+    #elif defined(RAW12P)
+    #define pixel(p) p.r / 16.0 + p.g * 16.0
+    #define fetch(x, y) pixel(texture2D(tex_y, vec2(x, y)))
+    #else
     #define fetch(x, y) texture2D(tex_y, vec2(x, y)).r
+    #endif
 
-    float C = texture2D(tex_y, center.xy).r; // ( 0, 0)
+    float C = fetch(center.x, center.y); // ( 0, 0)
     const vec4 kC = vec4( 4.0,  6.0,  5.0,  5.0) / 8.0;
 
     // Determine which of four types of pixels we are on.