emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
swizzle1(bumpMapRes, SWIZZLE_X), rotMat0, texcSrc );
emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
swizzle1(bumpMapRes, SWIZZLE_Y), rotMat1, texcDst );
emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
swizzle1(bumpMapRes, SWIZZLE_X), rotMat0, texcSrc );
emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
swizzle1(bumpMapRes, SWIZZLE_Y), rotMat1, texcDst );