renderprogram tools/megastamp/editMesh {
	program vertex arb { <%
		OPTION ARB_position_invariant;

		MOV	result.texcoord, $texCoordAttrib;
	%> }
	
	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;

		TEMP diffuse, borderClamp;
		TEMP R0, R1;

		PARAM color = { 0.2, 0, 0, 0.5 };

		CMP R0, fragment.texcoord, 0, 1;
		MAD R1, fragment.texcoord, -1, 1;
		CMP R1, R1, 0, 1;

		MUL R0.x, R0.x, R1.x;
		MUL R0.x, R0.x, R0.y;
		MUL R0.x, R0.x, R1.y;
		MAD R0.x, R0.x, -1, 1;

		MOV result.color, color;
		MUL result.color.a, R0.x, color.a;
	%> }
}