1 files changed, 20 insertions, 0 deletions
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh b/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh
new file mode 100644
index 00000000..21b17369
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh
@@ -0,0 +1,20 @@
+#version 120
+
+attribute vec4 Position;
+
+uniform mat4 ProjMat;
+uniform vec2 InSize;
+uniform vec2 OutSize;
+
+varying vec2 texCoord;
+varying vec2 oneTexel;
+
+void main(){
+    vec4 outPos = ProjMat * vec4(Position.xy, 0.0, 1.0);
+    gl_Position = vec4(outPos.xy, 0.2, 1.0);
+
+    oneTexel = 1.0 / InSize;
+
+    texCoord = Position.xy / OutSize;
+    texCoord.y = 1.0 - texCoord.y;    
+}