mad (Pixel Shader)
Multiply and add instruction. Sets the destination register to (src0 * src1) + src2.
Syntax
| mad dst, src0, src1, src2 |
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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 |
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| mad | x | x | x | x | x | x | x | x | x |
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The following code fragment 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;
Instruction Information
| Minimum operating system | Windows 98 |
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