Added experimental line reconstruction shaders

glsl/Line-Reconstruction/Anime4K_DeRing.glsl

@@ -0,0 +1,94 @@
+//!DESC Anime4K-v4.0-De-Ring-Compute-Statistics
+//!HOOK LUMA
+//!BIND HOOKED
+//!SAVE GAUSS
+//!COMPONENTS 2
+
+#define KERNELSIZE 5 //Kernel size, must be an positive odd integer.
+#define KERNELHALFSIZE 2 //Half of the kernel size without remainder. Must be equal to trunc(KERNELSIZE/2).
+
+#define L_tex HOOKED_tex
+
+float comp_max_x(vec2 pos) {
+
+	float g = 0;
+
+	for (int i=0; i<KERNELSIZE; i++) {
+		float di = float(i - KERNELHALFSIZE);
+		float df = HOOKED_pt.x * di;
+
+		g = max(g, (L_tex(pos + vec2(df, 0)).x));
+	}
+
+	return g;
+}
+float comp_min_x(vec2 pos) {
+
+	float g = 0;
+
+	for (int i=0; i<KERNELSIZE; i++) {
+		float di = float(i - KERNELHALFSIZE);
+		float df = HOOKED_pt.x * di;
+
+		g = min(g, (L_tex(pos + vec2(df, 0)).x));
+	}
+
+	return g;
+}
+
+vec4 hook() {
+    return vec4(comp_max_x(HOOKED_pos), comp_min_x(HOOKED_pos), 0, 0);
+}
+
+//!DESC Anime4K-v4.0-De-Ring-Compute-Statistics
+//!HOOK LUMA
+//!BIND HOOKED
+//!BIND GAUSS
+//!SAVE GAUSS
+//!COMPONENTS 2
+
+#define KERNELSIZE 5 //Kernel size, must be an positive odd integer.
+#define KERNELHALFSIZE 2 //Half of the kernel size without remainder. Must be equal to trunc(KERNELSIZE/2).
+
+#define L_tex GAUSS_tex
+
+float comp_max_y(vec2 pos) {
+
+	float g = 0;
+
+	for (int i=0; i<KERNELSIZE; i++) {
+		float di = float(i - KERNELHALFSIZE);
+		float df = HOOKED_pt.y * di;
+
+		g = max(g, (L_tex(pos + vec2(0, df)).x));
+	}
+
+	return g;
+}
+float comp_min_y(vec2 pos) {
+
+	float g = 0;
+
+	for (int i=0; i<KERNELSIZE; i++) {
+		float di = float(i - KERNELHALFSIZE);
+		float df = HOOKED_pt.y * di;
+
+		g = min(g, (L_tex(pos + vec2(0, df)).y));
+	}
+
+	return g;
+}
+vec4 hook() {
+    return vec4(comp_max_y(HOOKED_pos), comp_min_y(HOOKED_pos), 0, 0);
+}
+
+//!DESC Anime4K-v4.0-De-Ring
+//!HOOK NATIVE
+//!BIND HOOKED
+//!BIND GAUSS
+
+vec4 hook() {
+	float luma_clamp = min(HOOKED_tex(HOOKED_pos).x, (GAUSS_tex(HOOKED_pos).x));
+	luma_clamp = max(luma_clamp, (GAUSS_tex(HOOKED_pos).y));
+    return vec4(luma_clamp, HOOKED_tex(HOOKED_pos).yzw);
+}