Reorganise shaders

2021-03-21 12:50:27 +01:00
parent a8ebf2f7f1
commit cf5a8b3e1b
32 changed files with 22 additions and 60 deletions
@@ -0,0 +1,34 @@
+#version 430 core
+layout (points) in;
+layout (triangle_strip, max_vertices = 4) out;
+in vec2 vParams [];
+out float lum;
+out vec2 cenPosT;
+out vec2 dField;
+
+uniform vec2 winSize;
+uniform float zoom;
+
+void main()
+{
+  lum = vParams[0].y;
+  vec3 cenPos = gl_in[0].gl_Position.xyz;
+  float gRad = vParams[0].x * zoom * 2;
+
+  cenPosT = vec2 ( (cenPos.x + 1) * 0.5 * winSize.x , (cenPos.y + 1) * 0.5 * winSize.y);
+
+  dField = vec2 ( 1, 1);
+  gl_Position = vec4 (cenPos.x + gRad/winSize.x, cenPos.y + gRad/winSize.y, -0 , 1);
+  EmitVertex();
+  dField = vec2 (-1, 1);
+  gl_Position = vec4 (cenPos.x - gRad/winSize.x, cenPos.y + gRad/winSize.y, -0 , 1);
+  EmitVertex();
+  dField = vec2 ( 1,-1);
+  gl_Position = vec4 (cenPos.x + gRad/winSize.x, cenPos.y - gRad/winSize.y, -0 , 1);
+  EmitVertex();
+  dField = vec2 (-1,-1);
+  gl_Position = vec4 (cenPos.x - gRad/winSize.x, cenPos.y - gRad/winSize.y, -0 , 1);
+  EmitVertex();
+
+  EndPrimitive();
+}