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`timescale 1ns / 1ps
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`include "aDefinitions.v"
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//---------------------------------------------------------------------------
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module Swizzle3D
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(
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input wire [`WIDTH-1:0] Source0_X,
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input wire [`WIDTH-1:0] Source0_Y,
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input wire [`WIDTH-1:0] Source0_Z,
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input wire [`WIDTH-1:0] iOperation,
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output reg [`WIDTH-1:0] SwizzleX,
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output reg [`WIDTH-1:0] SwizzleY,
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output reg [`WIDTH-1:0] SwizzleZ
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);
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//wire [31:0] SwizzleX,SwizzleY,SwizzleZ;
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//-----------------------------------------------------
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always @ ( * )
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begin
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case (iOperation)
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`SWIZZLE_XXX: SwizzleX = Source0_X;
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`SWIZZLE_YYY: SwizzleX = Source0_Y;
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`SWIZZLE_ZZZ: SwizzleX = Source0_Z;
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`SWIZZLE_YXZ: SwizzleX = Source0_Y;
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default: SwizzleX = `DATA_ROW_WIDTH'd0;
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endcase
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end
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//-----------------------------------------------------
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always @ ( * )
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begin
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case (iOperation)
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`SWIZZLE_XXX: SwizzleY = Source0_X;
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`SWIZZLE_YYY: SwizzleY = Source0_Y;
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`SWIZZLE_ZZZ: SwizzleY = Source0_Z;
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`SWIZZLE_YXZ: SwizzleY = Source0_X;
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default: SwizzleY = `DATA_ROW_WIDTH'd0;
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endcase
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end
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//-----------------------------------------------------
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always @ ( * )
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begin
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case (iOperation)
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`SWIZZLE_XXX: SwizzleZ = Source0_X;
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`SWIZZLE_YYY: SwizzleZ = Source0_Y;
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`SWIZZLE_ZZZ: SwizzleZ = Source0_Z;
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`SWIZZLE_YXZ: SwizzleZ = Source0_Z;
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default: SwizzleZ = `DATA_ROW_WIDTH'd0;
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endcase
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end
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//-----------------------------------------------------
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endmodule
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//---------------------------------------------------------------------------
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