feat: implement better Colour Emulation

src/shader/pixelbuf.frag

@@ -1,13 +1,25 @@
 #version 330 core
-out vec4 FragColor;
+out vec4 frag_color;
 
-in vec3 ourColor;
-in vec2 TexCoord;
+in vec3 color;
+in vec2 uv;
 
-// texture sampler
-uniform sampler2D texture1;
+uniform sampler2D screen;
 
 void main() {
-	FragColor = texture(texture1, TexCoord);
+	// https://near.sh/video/color-emulation
+	// Thanks to Talarubi + Near for the Colour Correction
+	// Thanks to fleur + mattrb for the Shader Impl
+
+	vec4 color = texture(screen, uv);
+	color.rgb = pow(color.rgb, vec3(4.0)); // LCD Gamma
+  
+	frag_color = vec4(
+		pow(vec3(
+		  	  0 * color.b +  50 * color.g + 255 * color.r,
+	     	 30 * color.b + 230 * color.g +  10 * color.r,
+			220 * color.b +  10 * color.g +  50 * color.r
+		) / 255, vec3(1.0 / 2.2)), // Out Gamma
+	1.0); 
 }