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@@ -178,7 +178,18 @@ class Eval {
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};
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switch( channelMode ) {
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case R, G, B, A:
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- return TSwiz(tget, [switch( channelMode ) { case R: X; case G: Y; case B: Z; default: W; }]);
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+ return TSwiz(tget, switch( [count,channelMode] ) {
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+ case [1,R]: [X];
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+ case [1,G]: [Y];
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+ case [1,B]: [Z];
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+ case [1,A]: [W];
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+ case [2,R]: [X,Y];
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+ case [2,G]: [Y,Z];
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+ case [2,B]: [Z,W];
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+ case [3,R]: [X,Y,Z];
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+ case [3,G]: [Y,Z,W];
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+ default: throw "Invalid channel value "+channelMode+" for "+count+" channels";
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+ });
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case Unknown:
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var zero = { e : TConst(CFloat(0.)), t : TFloat, p : pos };
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if( count == 1 )
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ncannasse