Initial commit

documents/Tesselation_Tutorial/shader/tess_quad_tes.txt

@@ -0,0 +1,20 @@
+#version 410 core
+
+layout(quads, equal_spacing, ccw) in;
+
+//quad interpol
+vec4 interpolate(in vec4 v0, in vec4 v1, in vec4 v2, in vec4 v3)
+{
+	vec4 a = mix(v0, v1, gl_TessCoord.x);
+	vec4 b = mix(v3, v2, gl_TessCoord.x);
+	return mix(a, b, gl_TessCoord.y);
+}
+
+void main()
+{	
+	gl_Position = interpolate(
+		gl_in[0].gl_Position, 
+		gl_in[1].gl_Position, 
+		gl_in[2].gl_Position, 
+		gl_in[3].gl_Position);
+}