fixes, configurable framebuffers quality

shaders/postfx_tonemapping.frag

@@ -6,44 +6,13 @@ in vec2 f_coords;
 #texture (tex1, 0, RGB)
 uniform sampler2D tex1;
 
-vec3 reinhard(vec3 x)
-{
-	return x / (x + vec3(1.0));
-}
-
-// https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/
-vec3 ACESFilm(vec3 x)
-{
-    float a = 2.51f;
-    float b = 0.03f;
-    float c = 2.43f;
-    float d = 0.59f;
-    float e = 0.14f;
-    return (x*(a*x+b))/(x*(c*x+d)+e);
-}
-
-// https://www.slideshare.net/ozlael/hable-john-uncharted2-hdr-lighting
-vec3 filmicF(vec3 x)
-{
-	float A = 0.22f;
-	float B = 0.30f;
-	float C = 0.10f;
-	float D = 0.20f;
-	float E = 0.01f;
-	float F = 0.30f;
-	return ((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F)) - E/F;
-}
-
-vec3 filmic(vec3 x)
-{
-	return filmicF(x) / filmicF(vec3(11.2f));
-}
+#include <tonemapping.glsl>
 
 void main()
 {
 	vec2 texcoord = f_coords;
 	vec3 hdr_color = texture(tex1, texcoord).xyz;
 
-	vec3 mapped = ACESFilm(hdr_color);
+	vec3 mapped = tonemap(hdr_color);
 	gl_FragColor = vec4(mapped, 1.0);
 }