Create/Update assets for version 1.17.1

assets/minecraft/shaders/program/deconverge.fsh

@@ -0,0 +1,30 @@
+#version 150
+
+uniform sampler2D DiffuseSampler;
+
+in vec2 texCoord;
+in vec2 oneTexel;
+
+uniform vec2 InSize;
+
+uniform vec3 ConvergeX;
+uniform vec3 ConvergeY;
+uniform vec3 RadialConvergeX;
+uniform vec3 RadialConvergeY;
+
+out vec4 fragColor;
+
+void main() {
+    vec3 CoordX = texCoord.x * RadialConvergeX;
+    vec3 CoordY = texCoord.y * RadialConvergeY;
+
+    CoordX += ConvergeX * oneTexel.x - (RadialConvergeX - 1.0) * 0.5;
+    CoordY += ConvergeY * oneTexel.y - (RadialConvergeY - 1.0) * 0.5;
+
+    float RedValue   = texture(DiffuseSampler, vec2(CoordX.x, CoordY.x)).r;
+    float GreenValue = texture(DiffuseSampler, vec2(CoordX.y, CoordY.y)).g;
+    float BlueValue  = texture(DiffuseSampler, vec2(CoordX.z, CoordY.z)).b;
+    float AlphaValue  = texture(DiffuseSampler, texCoord).a;
+
+    fragColor = vec4(RedValue, GreenValue, BlueValue, 1.0);
+}