uniform mat4x2 gPos; void main() { gl_Position = vec4(gPos * vec4(gl_Vertex.xy, 0.0, 1.0), 0.0, 1.0); #ifdef TW_TEXTURED gl_TexCoord[0] = gl_MultiTexCoord0; #endif gl_FrontColor = gl_Color.rgba; gl_BackColor = gl_Color.rgba; }