gistfile1.txt

	const char *vertex_shader_source =
		"uniform mat4 modelviewprojectionMatrix;\n"
		"\n"
		"attribute vec4 in_position;    \n"
		"attribute vec2 in_coord;       \n"
		"                             \n"
		"varying vec2 coord;          \n"
		"                             \n"
		"void main()                  \n"
		"{                            \n"
		"    gl_Position = modelviewprojectionMatrix * in_position;\n"
		"    coord = in_coord;        \n"
		"}                            \n";