编写shader

test.fs

@@ -0,0 +1,5 @@
+varying vec3 V_Color;
+
+void main() {
+	gl_FragColor = V_Color;
+}

test.vs

@@ -0,0 +1,12 @@
+attribute vec3 pos;
+attribute vec4 color;
+
+uniform mat4 M;
+uniform mat4 V;
+uniform mat4 P;
+
+varying V_Color;
+
+void main() {
+	gl_Position=P*V*M*pos;	
+}