improve converting shaders

data/examples/clock_digital_nixie.shader

@@ -27,13 +27,8 @@ uniform float3 anodehighlightscolor = {1.0,0.5,0.0};
 
 #ifndef OPENGL
 #define mod(x,y) (x - y * floor(x / y))
-bool2 greaterThan(float2 a, float2 b){
-    return bool2(a.x > b.x, a.y > b.y);
-}
-
-bool2 lessThan(float2 a, float2 b){
-    return bool2(a.x < b.x, a.y < b.y);
-}
+#define lessThan(a,b) (a < b)
+#define greaterThan(a,b) (a > b)
 #endif
 
 // psrdnoise (c) Stefan Gustavson and Ian McEwan,

obs-shaderfilter.c

@@ -1819,7 +1819,7 @@ static bool shader_filter_convert(obs_properties_t *props, obs_property_t *prope
 	dstr_replace(&effect_text, "mix(", "lerp(");
 	dstr_replace(&effect_text, "fract(", "frac(");
 	dstr_replace(&effect_text, "inversesqrt(", "rsqrt(");
-	
+
 	dstr_replace(&effect_text, "extern bool", "uniform bool");
 	dstr_replace(&effect_text, "extern uint", "uniform uint");
 	dstr_replace(&effect_text, "extern int", "uniform int");
@@ -1878,6 +1878,10 @@ static bool shader_filter_convert(obs_properties_t *props, obs_property_t *prope
 
 	if (dstr_find(&effect_text, "mod("))
 		dstr_cat(&insert_text, "#define mod(x,y) (x - y * floor(x / y))\n");
+	if (dstr_find(&effect_text, "lessThan("))
+		dstr_cat(&insert_text, "#define lessThan(a,b) (a < b)\n");
+	if (dstr_find(&effect_text, "greaterThan("))
+		dstr_cat(&insert_text, "#define greaterThan(a,b) (a > b)\n");
 	dstr_cat(&insert_text, "#endif\n");
 
 	if (dstr_find(&effect_text, "iMouse") && !dstr_find(&effect_text, "float2 iMouse"))