geometry shaders, map poi icons

shaders/map_poi.frag

@@ -0,0 +1,14 @@
+in vec2 f_coords;
+
+layout(location = 0) out vec4 out_color;
+
+#texture (tex1, 0, sRGB_A)
+uniform sampler2D tex1;
+
+void main()
+{
+	vec2 texcoord = f_coords;
+	vec4 color = texture(tex1, texcoord);
+
+	out_color = color;
+}