//
// Version for fading out using coverage
//

renderProgram filterCoverage {
	hwSkinningVersion filterCoverageSkinningMatrix filterCoverageHardSkinningMatrix

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		MUL R0, R0, fragment.color;
		
		SUB R0, R0, 1;
		MAD result.color.rgb, R0, $coverage, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterCoverageSkinningMatrix {
	program vertex reference trivialSkinningMatrix

	program fragment reference filterCoverage
}

renderProgram filterCoverageHardSkinningMatrix {
	program vertex reference trivialHardSkinningMatrix

	program fragment reference filterCoverage
}

//
// Version for fading out using vertexColor
//

renderProgram filterVertexColor {
	hwSkinningVersion filterVertexColorSkinningMatrix filterVertexColorHardSkinningMatrix

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		
		SUB R0, R0, 1;
		MAD result.color.rgb, R0, fragment.color, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterVertexColorWithTextureMatrix {
	program vertex reference trivialWithTextureMatrix

	program fragment reference filterVertexColor
}

renderProgram filterVertexColorAlpha {
	hwSkinningVersion filterVertexColorSkinningMatrix filterVertexColorHardSkinningMatrix

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		
		SUB R0, R0, 1;
		MAD result.color.rgb, R0, fragment.color.a, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterAlpha {
	hwSkinningVersion filterVertexColorSkinningMatrix filterVertexColorHardSkinningMatrix

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		
		TEMP R1;
		MUL R1, fragment.color, R0;
		
		SUB R0, R0, 1;
		MAD result.color.rgb, R0, R1.a, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterVertexColorSkinningMatrix {
	program vertex reference trivialSkinningMatrix

	program fragment reference filterVertexColor
}

renderProgram filterVertexColorHardSkinningMatrix {
	program vertex reference trivialHardSkinningMatrix

	program fragment reference filterVertexColor
}

//
// Version for fading out using vertexColor and coverage, useful for outside where
//

renderProgram filterVertexColorCoverage {
	hwSkinningVersion filterVertexColorCoverageSkinningMatrix filterVertexColorCoverageHardSkinningMatrix
	instanceVersion filterVertexColorCoverage_instance

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		
		SUB R0, R0, 1;
		MUL R0, R0, fragment.color;
		MAD result.color.rgb, R0, $coverage, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterVertexColorCoverageFogged {
	program vertex arb { <%
		OPTION ARB_position_invariant;
		TEMP R0;

		DP4	result.texcoord.x, $texCoordAttrib, $diffuseMatrix_s;
		DP4	result.texcoord.y, $texCoordAttrib, $diffuseMatrix_t;
		
		MAD	R0, $colorAttrib, $colorModulate, $colorAdd;
		MUL result.color, $diffuseColor, R0;

		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;
		TEMP R0, R1;

		TEX R0, fragment.texcoord, $map, 2D;
		
		SUB R1, 1, fragment.color.secondary.r;
		MUL R1, fragment.color, R1;
		
		SUB R0, R0, 1;
		MUL R0, R0, R1;
		MAD result.color.rgb, R0, $coverage, 1;
		MOV result.color.a, 1;
	%> }
}

renderProgram filterVertexColorCoverage_instance {
	program vertex reference trivial_instance

	program fragment reference filterVertexColorCoverage
}


renderProgram filterVertexColorCoverageSkinningMatrix {
	program vertex reference trivialSkinningMatrix

	program fragment reference filterVertexColorCoverage
}

renderProgram filterVertexColorCoverageHardSkinningMatrix {
	program vertex reference trivialHardSkinningMatrix

	program fragment reference filterVertexColorCoverage
}

renderProgram addVertexColorCoverage {

	program vertex reference trivial

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0;

		TEX R0, fragment.texcoord, $map, 2D;
		
		MUL R0, R0, fragment.color;
		MUL result.color.rgb, R0, $coverage;
		MOV result.color.a, 1;
	%> }
}

renderProgram addVertexColorCoverageFogged {

	program vertex arb { <%
		OPTION ARB_position_invariant;
		TEMP R0;

		DP4	result.texcoord.x, $texCoordAttrib, $diffuseMatrix_s;
		DP4	result.texcoord.y, $texCoordAttrib, $diffuseMatrix_t;
		
		MAD	R0, $colorAttrib, $colorModulate, $colorAdd;
		MUL result.color, $diffuseColor, R0;

		TEMP _F1, _F2;
		SUB		_F2, $positionAttrib, $viewOrigin;
		DP3		_F1.x, _F2, _F2;
		RSQ		_F1.y, _F1.x;
		MUL		_F1.x, _F1.y, _F1.x;
		MUL		R0, $fogDepths.z, 0.75;
		MAD		result.color.secondary, _F1.x, R0, $fogDepths.w; 
	%> }

	program fragment arb { <%
		OPTION ARB_precision_hint_fastest;
		TEMP R0, R1;

		TEX R0, fragment.texcoord, $map, 2D;
		
		MUL R0, R0, fragment.color;
		SUB R1, 1, fragment.color.secondary.r;
		MUL R0, R0, R1;
		MUL result.color.rgb, R0, $coverage;
		MOV result.color.a, 1;
	%> }
}