function __init_d3d() {
	gml_pragma( "global", "__init_d3d();");
	// setup the depth variable to a sensible default
	global.__d3d=false;
	global.__d3dDepth=0;
	global.__d3dCamera=camera_create();
	global.__d3dPrimKind = -1;
	global.__d3dPrimTex = -1;
	global.__d3dPrimBuffer=vertex_create_buffer();
	vertex_format_begin();
		vertex_format_add_position_3d();
		vertex_format_add_normal();
		vertex_format_add_colour();
		vertex_format_add_texcoord(); 
	global.__d3dPrimVF=vertex_format_end();
	global.__d3dDeprecatedMessage = [ false ];

	enum e__YYM
	{
		PointB,
		LineB,
		TriB,
		PointUVB,
		LineUVB,
		TriUVB,
		PointVB,
		LineVB,
		TriVB,
		Texture,
		Colour,
		NumVerts,
		PrimKind,
		NumPointCols,
		NumLineCols,
		NumTriCols,
		PointCols,
		LineCols,
		TriCols,

		// these are used when building model primitives
		V1X,
		V1Y,
		V1Z,
		V1NX,
		V1NY,
		V1NZ,
		V1C,
		V1U,
		V1V,

		V2X,
		V2Y,
		V2Z,
		V2NX,
		V2NY,
		V2NZ,
		V2C,
		V2U,
		V2V,
	};

	enum e__YYMKIND
	{
		PRIMITIVE_BEGIN,
		PRIMITIVE_END,
		VERTEX,
		VERTEX_COLOR,
		VERTEX_TEX,
		VERTEX_TEX_COLOR,
		VERTEX_N,
		VERTEX_N_COLOR,
		VERTEX_N_TEX,
		VERTEX_N_TEX_COLOR,
		SHAPE_BLOCK,
		SHAPE_CYLINDER,
		SHAPE_CONE,
		SHAPE_ELLIPSOID,
		SHAPE_WALL,
		SHAPE_FLOOR,
	};



}