Initial commit

shaders/final.fsh

@@ -0,0 +1,64 @@
+#version 150
+
+uniform sampler2D colortex0;
+in vec2 texCoord;
+out vec4 fragColor;
+
+void main() {
+	ivec2 pixelSizeInt = textureSize(colortex0, 0);
+	vec2 pixelSizeFloat = vec2(pixelSizeInt);
+	vec2 texelSize = vec2(1.0) / vec2(textureSize(colortex0, 0));
+
+
+
+	// Following is made by Claude, that works (27.5.26)
+    /*
+	vec3 scene = texture(colortex0, texCoord).rgb;
+    float gray = dot(scene, vec3(2.5000, 0.5000, 0.5000)); // Farbkontrolle (Auch genannt, luma weiter oben)
+    fragColor = vec4(vec3(gray), 1.0);
+	*/
+}
+
+squareBottomRight() {
+	float lumaSum_br = 0.0;
+	float lumaSquaredSum_br = 0.0;
+	vec3 colorSum_br = vec3(0.0);
+	vec3 mean_br = vec3(0.0);
+	vec3 mean_luma_br = vec3(0.0);
+	float variance_br = 0.0;
+	for (int i = 0; i <= 2; i++) {
+		for (int j = -2; j <= 0; j++) {
+			vec2 offset_br = vec2(float(i), float(j)) * texelSize_br;
+			vec3 neighborColor_br = texture(colortex0, texCoord + offset_br).rgb;
+			float luma_br = dot(neighborColor_br, vec3(0.299, 0.587, 0.114)); // Basically dasselbe wie float gray weiter unten
+			colorSum_br += neighborColor_br;
+			lumaSum_br += luma_br;
+			lumaSquaredSum_br += (luma_br * luma_br);
+		}
+	}
+	mean_br = (colorSum_br / 9.0);
+	mean_luma_br = (lumaSum_br / 9.0);
+	variance_br = (lumaSquaredSum_br / 9.0 - (mean_luma_br * mean_luma_br)); 
+}
+
+squareBottomLeft() {
+	float lumaSum_bl = 0.0;
+	float lumaSquaredSum_bl = 0.0;
+	vec3 colorSum_bl = vec3(0.0);
+	vec3 mean_bl = vec3(0.0);
+	vec3 mean_luma_bl = vec3(0.0);
+	float variance_bl = 0.0;
+	for (int i = -2; i <= 0; i++) {
+		for (int j = -2; j <= 0; j++) {
+			vec2 offset_bl = vec2(float(i), float(j)) * texelSize_bl;
+			vec3 neighborColor_bl = texture(colortex0, texCoord + offset_bl).rgb;
+			float luma_bl = dot(neighborColor_bl, vec3(0.299, 0.587, 0.114)); // Basically dasselbe wie float gray weiter unten
+			colorSum_bl += neighborColor_bl;
+			lumaSum_bl += luma_bl;
+			lumaSquaredSum_bl += (luma_bl * luma_bl);
+		}
+	}
+	mean_bl = (colorSum_bl / 9.0);
+	mean_luma_bl = (lumaSum_bl / 9.0);
+	variance_bl = (lumaSquaredSum_bl / 9.0 - (mean_luma_bl * mean_luma_bl)); 
+}