mad - ps

Multiply and add instruction. Sets the destination register to (src0 * src1) + src2.

Syntax

mad dst, src0, src1, src2

 

where

  • dst is the destination register.
  • src0 is a source register.
  • src1 is a source register.
  • src2 is a source register.

Remarks

Pixel shader versions 1_1 1_2 1_3 1_4 2_0 2_x 2_sw 3_0 3_sw
mad x x x x x x x x x

 

The following code snippet shows the operations performed.

dest.x = src0.x * src1.x + src2.x;
dest.y = src0.y * src1.y + src2.y;
dest.z = src0.z * src1.z + src2.z;
dest.w = src0.w * src1.w + src2.w;

Pixel Shader Instructions