Paul Berry stereotype...@gmail.com writes:
Previously, we computed dFdy() using the following instruction:
add(8) dst1F src4,4,0)F -src.24,4,0F { align1 1Q }
That had the disadvantage that it computed the same value for all 4
pixels of a 2x2 subspan, which meant that it was less accurate
Previously, we computed dFdy() using the following instruction:
add(8) dst1F src4,4,0)F -src.24,4,0F { align1 1Q }
That had the disadvantage that it computed the same value for all 4
pixels of a 2x2 subspan, which meant that it was less accurate than
dFdx(). This patch changes it to the
Acked-by: Chris Forbes chr...@ijw.co.nz
On Wed, Oct 2, 2013 at 8:38 AM, Paul Berry stereotype...@gmail.com wrote:
Previously, we computed dFdy() using the following instruction:
add(8) dst1F src4,4,0)F -src.24,4,0F { align1 1Q }
That had the disadvantage that it computed the same value for
