diff --git a/OSBindings/Mac/Clock Signal/CSCathodeRayView.m b/OSBindings/Mac/Clock Signal/CSCathodeRayView.m
index 266b125c9..d0d4c11e0 100644
--- a/OSBindings/Mac/Clock Signal/CSCathodeRayView.m	
+++ b/OSBindings/Mac/Clock Signal/CSCathodeRayView.m	
@@ -183,7 +183,7 @@ static NSString *const vertexShader =
 	"in vec2 srcCoordinates;\n"
 	"in float lateral;\n"
 	"\n"
-	"out vec2 srcCoordinatesVarying[7];\n"
+	"out vec2 srcCoordinatesVarying[4];\n"
 	"out float lateralVarying;\n"
 	"out float phase;\n"
 	"\n"
@@ -191,15 +191,11 @@ static NSString *const vertexShader =
 	"\n"
 	"void main (void)\n"
 	"{\n"
-		"srcCoordinatesVarying[3] = vec2(srcCoordinates.x / textureSize.x, (srcCoordinates.y + 0.5) / textureSize.y);\n"
-		"\n"
-		"srcCoordinatesVarying[0] = srcCoordinatesVarying[3] - vec2(0.4 / textureSize.x, 0.0);\n"
-		"srcCoordinatesVarying[1] = srcCoordinatesVarying[3] - vec2(0.2 / textureSize.x, 0.0);\n"
-		"srcCoordinatesVarying[2] = srcCoordinatesVarying[3] - vec2(0.1 / textureSize.x, 0.0);\n"
-		"\n"
-		"srcCoordinatesVarying[4] = srcCoordinatesVarying[3] + vec2(0.1 / textureSize.x, 0.0);\n"
-		"srcCoordinatesVarying[5] = srcCoordinatesVarying[3] + vec2(0.2 / textureSize.x, 0.0);\n"
-		"srcCoordinatesVarying[6] = srcCoordinatesVarying[3] + vec2(0.4 / textureSize.x, 0.0);\n"
+		"srcCoordinatesVarying[0] = vec2(srcCoordinates.x / textureSize.x, (srcCoordinates.y + 0.5) / textureSize.y);\n"
+		"srcCoordinatesVarying[3] = srcCoordinatesVarying[0] + vec2(0.375 / textureSize.x, 0.0);\n"
+		"srcCoordinatesVarying[2] = srcCoordinatesVarying[0] + vec2(0.125 / textureSize.x, 0.0);\n"
+		"srcCoordinatesVarying[1] = srcCoordinatesVarying[0] - vec2(0.125 / textureSize.x, 0.0);\n"
+		"srcCoordinatesVarying[0] = srcCoordinatesVarying[0] - vec2(0.325 / textureSize.x, 0.0);\n"
 		"\n"
 		"lateralVarying = lateral + 1.0707963267949;\n"
 		"phase = srcCoordinates.x * 6.283185308;\n"
@@ -212,7 +208,7 @@ static NSString *const vertexShader =
 static NSString *const fragmentShader =
 	@"#version 150\n"
 	"\n"
-	"in vec2 srcCoordinatesVarying[7];\n"
+	"in vec2 srcCoordinatesVarying[4];\n"
 	"in float lateralVarying;\n"
 	"in float phase;\n"
 	"out vec4 fragColour;\n"
@@ -224,34 +220,23 @@ static NSString *const fragmentShader =
 	"\n"
 	"void main(void)\n"
 	"{\n"
-		"vec4 samples[2];\n"
-		"vec4 angles[2];\n"
+		"vec4 angles = vec4(phase) + vec4(-2.35619449019234, -0.78539816339745, 0.78539816339745, 2.35619449019234);\n"
+		"vec4 samples = vec4("
+		"   sample(srcCoordinatesVarying[0], angles.x),"
+		"	sample(srcCoordinatesVarying[1], angles.y),"
+		"	sample(srcCoordinatesVarying[2], angles.z),"
+		"	sample(srcCoordinatesVarying[3], angles.w)"
+		");\n"
 		"\n"
-		"vec4 angle = vec4(phase);\n"
-		"angles[0] = angle + vec4(-2.5132741232, -1.2566370616, -0.6283185308, 0.0);\n"
-		"angles[1] = angle + vec4(0.6283185308, 1.2566370616, 2.5132741232, 0.0);\n"
+		"float y = dot(vec4(0.25), samples);\n"
+		"samples -= vec4(y);\n"
 		"\n"
-		"samples[0] = vec4("
-		"   sample(srcCoordinatesVarying[0], angles[0].x),"
-		"	sample(srcCoordinatesVarying[1], angles[0].y),"
-		"	sample(srcCoordinatesVarying[2], angles[0].z),"
-		"	sample(srcCoordinatesVarying[3], angles[0].w));\n"
-		"samples[1] = vec4("
-		"   sample(srcCoordinatesVarying[4], angles[1].x),"
-		"	sample(srcCoordinatesVarying[5], angles[1].y),"
-		"	sample(srcCoordinatesVarying[6], angles[1].z),"
-		"	0.0);\n"
-		"float y = dot(vec4(0.2, 0.2, 0.0, 0.2), samples[0]) + dot(vec4(0.0, 0.2, 0.2, 0.0), samples[1]);\n"
-		"\n"
-		"samples[0] -= vec4(y);\n"
-		"samples[1] -= vec4(y);\n"
-		"\n"
-		"float i = dot(vec4(0.0, cos(angles[0].y), cos(angles[0].z), cos(angles[0].w)), samples[0]) + dot(vec4(cos(angles[1].x), cos(angles[1].y), 0.0, 0.0), samples[1]);\n"
-		"float q = dot(vec4(0.0, sin(angles[0].y), sin(angles[0].z), sin(angles[0].w)), samples[0]) + dot(vec4(sin(angles[1].x), sin(angles[1].y), 0.0, 0.0), samples[1]);\n"
+		"float i = dot(cos(angles), samples);\n"
+		"float q = dot(sin(angles), samples);\n"
 		"\n"
 		"// now i and q are in the range [-0.5, 0.5], so i needs to be multiplied by 1.1914 and q by 1.0452\n"
 		"const mat3 yiqToRGB = mat3(1.0, 1.0, 1.0, 1.1389784, -0.3240608, -1.3176884, 0.6490692, -0.6762444, 1.7799756);\n"
-		"fragColour = vec4(	yiqToRGB * vec3(y, i, q), sin(lateralVarying));\n"
+		"fragColour = vec4(	yiqToRGB * vec3(y, i, q), 1.0);//sin(lateralVarying));\n"
 	"}\n";
 
 #if defined(DEBUG)