renderProgram debugTools/showTangentSpace {
	hwSkinningVersion debugTools/showTangentSpace_hwskinning debugTools/showTangentSpace_hardskinning
	
	program vertex arb { <%
		OPTION ARB_position_invariant;

		TEMP bitangent;
		TEMP R0;

		# derive bitangent
		XPD bitangent, $normalAttrib, $tangentAttrib;
		MUL bitangent, bitangent, $tangentAttrib.w;
		
		MUL R0.xyz, $normalAttrib, $diffuseColor.x;
		MAD R0.xyz, $tangentAttrib, $diffuseColor.y, R0;
		MAD R0.xyz, bitangent, $diffuseColor.z, R0;
		ADD result.color.xyz, R0, 0.5;
		MOV result.color.w, 1;
	%> }
	
	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		
		MOV result.color, fragment.color;
	%> }
	
}

renderProgram debugTools/showTangentSpace_hwskinning {
	program vertex arb { <%
		TEMP position, normal, tangent, bitangent;
		TEMP R0;
		
		useTemplate skinningMatrix_ARB< "position", "normal", "tangent", "bitangent" >
		
		MUL R0.xyz, normal, $diffuseColor.x;
		MAD R0.xyz, tangent, $diffuseColor.y, R0;
		MAD R0.xyz, bitangent, $diffuseColor.z, R0;
		ADD result.color.xyz, R0, 0.5;
		MOV result.color.w, 1;
	%> }
	
	program fragment reference debugTools/showTangentSpace
}

renderProgram debugTools/showTangentSpace_hardskinning {
	program vertex arb { <%
		TEMP position, normal, tangent, bitangent;
		TEMP R0;
		
		useTemplate hardSkinningMatrix_ARB< "position", "normal", "tangent", "bitangent" >
		
		MUL R0.xyz, normal, $diffuseColor.x;
		MAD R0.xyz, tangent, $diffuseColor.y, R0;
		MAD R0.xyz, bitangent, $diffuseColor.z, R0;
		ADD result.color.xyz, R0, 0.5;
		MOV result.color.w, 1;
	%> }
	
	program fragment reference debugTools/showTangentSpace
}