SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/colortexturedquad.vert

@@ -0,0 +1,25 @@
+uniform vec2 center;
+uniform vec2 size;
+uniform vec2 texcenter;
+uniform vec2 texsize;
+uniform float rotation;
+
+#ifdef Explicit_Attrib_Location_Usable
+layout(location=0) in vec2 Position;
+layout(location=3) in vec2 Texcoord;
+layout(location=2) in vec4 Color;
+#else
+in vec2 Position;
+in vec2 Texcoord;
+in vec4 Color;
+#endif
+
+out vec2 uv;
+out vec4 color;
+
+void main()
+{
+    color = Color.zyxw;
+    uv = Texcoord * texsize + texcenter;
+    gl_Position = vec4(Position * size + center, 0., 1.);
+}