first commit

content/shaders/ui_tex.ps

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+#version 120
+
+varying vec2 v_texcoord;
+varying vec4 v_color;
+
+uniform sampler2D u_texture;
+
+void main() {
+	vec4 tex = texture2D( u_texture, v_texcoord ); 
+	gl_FragColor = v_color * tex;
+}