Use triangle lists instead of triangle fans

[fzwoch]

To whom this may be useful. This change does allow to run this under moltenVK. moltenVK does not support the use of VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN so we just convert these primitives to VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST.

I guess a more optimized way is possible, but it does the job for me at the moment. Ideally the VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN path will remain intact and VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST is only used when the Vulkan implementation indicates via VK_KHR_portability_subset that VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN must not be used.

[danilw]

oh wow thanks for making it!
il check it now

[danilw]

Works I add it, thank you for making it!

Ideally the VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN path will remain intact and VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST is only used when the Vulkan implementation indicates via VK_KHR_portability_subset that VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN must not be used.

il add #define USE_TOPOLOGY_TRIANGLE_FAN to switch to FAN, by default will be used LIST

[danilw]

done, also changed loop in loop index name from i to j (line 1479)

f25bae1