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 +1,37 @@
+#version 430 core
+layout (points) in;
+layout (triangle_strip, max_vertices = 4) out;
+in vec4 vColor [];
+in vec4 vparams [];
+out vec4 gColor;
+out float gRadIn;
+out float gRadOut;
+out vec2 cenPosT;
+out vec2 angles;
+
+uniform vec2 winSize;
+uniform float zoom;
+
+void main()
+{
+  angles = vparams[0].xy;
+  vec3 cenPos = gl_in[0].gl_Position.xyz;
+  gColor = vColor[0];
+  float width = vparams[0].w * 0.5;
+  float rad = vparams[0].z;
+  gRadOut = (rad + width) * zoom * 2;
+  gRadIn  = (rad - width) * zoom * 2;
+
+  cenPosT = vec2 ( (cenPos.x + 1) * 0.5 * winSize.x , (cenPos.y + 1) * 0.5 * winSize.y);
+
+  gl_Position = vec4 (cenPos.x + gRadOut/winSize.x, cenPos.y + gRadOut/winSize.y, cenPos.z , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x - gRadOut/winSize.x, cenPos.y + gRadOut/winSize.y, cenPos.z , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x + gRadOut/winSize.x, cenPos.y - gRadOut/winSize.y, cenPos.z , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x - gRadOut/winSize.x, cenPos.y - gRadOut/winSize.y, cenPos.z , 1);
+  EmitVertex();
+
+  EndPrimitive();
+}