reordedered structure

shaders/bitmapvert.shader

@@ -0,0 +1,10 @@
+#version 300 es
+layout (location = 0) in vec4 vertex;	// <vec2 pos, vec2 tex>
+out vec2 TexCoords;
+
+uniform mat4 projection;
+
+void main() {
+	gl_Position = projection * vec4(vertex.xy,0.0,1.0);
+	TexCoords = vertex.zw;
+}