Add barrel distortion shader

2021-07-09 14:36:49 +02:00
parent 5301b6d0bd
commit fd388e1fdf
12 changed files with 192 additions and 8 deletions
@@ -0,0 +1,17 @@
+#version 430 core
+layout (location = 0) in vec2 pos;
+layout (location = 1) in vec2 rad1;
+layout (location = 2) in vec2 rad2;
+layout (location = 3) in float factor;
+layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
+out vec2 vRad1;
+out vec2 vRad2;
+out float vFactor;
+void main()
+{
+  gl_Position = theMat * vec4(pos,0,1);
+  //gl_Position = vec4(1,1,0,1);
+  vRad1 = (theMat * vec4(rad1,0,1)).xy;
+  vRad2 = (theMat * vec4(rad2,0,1)).xy;
+  vFactor = factor;
+}