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dp3 - vs

Computes the three-component dot product of the source registers.

Syntax

dp3 dst, src0, src1

 

where

  • dst is the destination register.
  • src0 is a source register.
  • src1 is a source register.

Remarks

Vertex shader versions1_12_02_x2_sw3_03_sw
dp3xxxxxx

 

The following code fragment shows the operations performed:



dest.w = (src0.x * src1.x) + (src0.y * src1.y) + (src0.z * src1.z);
dest.x = dest.y = dest.z = dest.w;


 

 

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