On Sat, 14 Mar 2020 15:29:59 GMT, Kevin Rushforth <k...@openjdk.org> wrote:
>> I did some limited testing today with a modification to the test program you >> attached to create a MeshView with 200 >> large quads (400 triangles) in a single node. This will eliminate the node >> overhead. I can confirm that it is fill rate >> limited, because when I send the exact same amount of data, but make the >> triangles small, the frame rate goes up as >> expected. It sill looks like it isn't shader limited, though, at least on >> my Windows 10 machine, which has an Intel >> UHD Graphics 630. More testing is needed on other platforms. I'll share the >> mods to the test program when I have time, >> but it's basically just creating a set of quads on top of each other by >> reusing the same 4 points in each pair of faces. > > I'll attach the above modified testcase that I ran. I ran it on a relatively > new Windows 10 laptop and a rather ancient > MacBook Pro. I had to drastically reduce the number of quads on the Mac, but > the results are similar: no significant > difference between the current code and the proposed patch for point lights > (without attenuation). I'd like to see > results on a recent machine with a graphics accelerator (either NVIDIA or > AMD/ATI) to see if the new shader hurts > performance there, but I suspect it will be fine. Updated test case: [attenTest2.zip](https://github.com/openjdk/jfx/files/4332937/attenTest2.zip) ------------- PR: https://git.openjdk.java.net/jfx/pull/43
