renderProgram megaTexture/interaction {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient
	amblitVersion megaTexture/notlit_lit

	machineSpec 2
	fallback megaTexture/interaction_fallback

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_fallback {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define fallback		
		$include "megatexture/interaction_fragment.inc"
	%> }	
}


renderProgram megaTexture/interaction_premult {
	interaction
	lowrangeuv

	ambientVersion megaTexture/ambient_premult
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$define premult
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define premult
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_spec {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient
	machineSpec 3
	fallback megaTexture/interaction
	amblitVersion megaTexture/notlit_lit


	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$define megatexSpecular
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define megatexSpecular
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_premult_spec {
	interaction
	lowrangeuv

	ambientVersion megaTexture/ambient_premult
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$define premult
		$define megatexSpecular
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define premult
		$define megatexSpecular
		$include "megatexture/interaction_fragment.inc"
	%> }	
}


renderProgram megaTexture/interaction_bakedamb {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_bakedamb
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define bakedamb
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_bakedamb_spec {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_bakedamb
	machineSpec 3
	fallback megaTexture/interaction_bakedamb
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$define megatexSpecular
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define bakedamb
		$define megatexSpecular
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_bakedamb_ambspec {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_bakedamb_ambspec
	machineSpec 3
	fallback megaTexture/interaction_bakedamb
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex reference megaTexture/interaction_bakedamb

	program fragment reference megaTexture/interaction_bakedamb
}


renderProgram megaTexture/interaction_brightness {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_brightness
	machineSpec 3
	fallback megaTexture/interaction
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex reference megaTexture/interaction

	program fragment arb { <%
		$define brightness
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_spec_brightness {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_brightness
	machineSpec 3
	fallback megaTexture/interaction
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex reference megaTexture/interaction_spec

	program fragment arb { <%
		$define brightness
		$define megatexSpecular
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_bakedamb_brightness {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_bakedamb_brightness
	machineSpec 3
	fallback megaTexture/interaction_bakedamb
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define brightness
		$define bakedamb
		$include "megatexture/interaction_fragment.inc"
	%> }	
}

renderProgram megaTexture/interaction_bakedamb_spec_brightness {
	interaction
	lowrangeuv
	
	ambientVersion megaTexture/ambient_bakedamb_brightness
	machineSpec 3
	fallback megaTexture/interaction_bakedamb
	amblitVersion megaTexture/notlit_lit

	state {
		maskDepth
		blend GL_ONE, GL_ONE
	}
	
	program vertex arb { <%
		$define megatexSpecular
		$include "megatexture/interaction_vertex.inc"
	%> }

	program fragment arb { <%
		$define brightness
		$define bakedamb
		$define megatexSpecular
		$include "megatexture/interaction_fragment.inc"
	%> }	
}


renderProgram megaTexture/notlit_lit {
	interaction
	lowrangeuv
	
	notlitVersion megaTexture/notlit_notlit

	state force {
		depthFunc less
	}

	program vertex arb { <%
		OPTION ARB_position_invariant;

		$include "megatexture/mt_common_vertex.inc"

		TEMP _F1, _F2;
		SUB		_F2, $positionAttrib, $viewOrigin;
		DP3		_F1.x, _F2, _F2;
		RSQ		_F1.y, _F1.x;
		MUL		_F1.x, _F1.y, _F1.x;
		MAD		result.color.secondary, _F1.x, $fogDepths.z, $fogDepths.w; 

	%> }

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;

		$include "megatexture/mt_common_fragment.inc"

		TEMP D;
		LRP D, 0.35, $diffuseColor, 1;
		MUL		combined.xyz, combined, D;
		LRP result.color.rgb, fragment.color.secondary.x, $fogColor, combined;		
		MOV		result.color.a, 0;
	%> }
}

renderProgram megaTexture/notlit_notlit {

	state {
		maskDepth
	}

	program vertex arb { <%
		$define premult	
		$include "megatexture/ambient_vertex.inc"
	%> }

	program fragment arb { <%
		$define premult	
		$define bakedamb
		$include "megatexture/ambient_fragment.inc"
	%> }
}