topic Hello Rahul, in Developing Games on Intel Graphics

DirectX ExtendedDoublesShaderInstructions on Intel?

rahul_garg — Wed, 03 Jul 2013 00:27:55 GMT

Do any of the Intel GPUs support ExtendedDoublesShaderInstructions under Direct3D?

To clarify, this is a new

rahul_garg — Thu, 11 Jul 2013 22:26:46 GMT

To clarify, this is a new feature exposed through DirectX 11.1 runtime but available at feature level 11_0 if supported. This new feature exposes double precision division and FMA instructions. I believe Nvidia supports this in Fermi and Kepler cards. Any idea if Intel Ivy Bridge and Haswell GPUs support this?

Hello Rahul,

AXEL_M_Intel1 — Thu, 18 Jul 2013 09:23:48 GMT

Hello Rahul,

Both 3rd and 4th Generation Core parts (codenamed IvyBridge and Haswell) will expose ExtendedDoublesShaderInstructions.

That's very good to hear.

rahul_garg — Fri, 19 Jul 2013 04:49:54 GMT

That's very good to hear. Thanks!