July 25, 2019 
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July 25, 2019 [00:08:50] *** bpmedley <bpmedley!~bpm@2600:1700:eb20:6050:b578:747c:8668:f307> has joined ##vulkan[00:21:28] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has joined ##vulkan[00:45:21] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has joined ##vulkan[00:55:44] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has quit IRC (Quit: glYoda)[01:03:34] *** saint_go <saint_go!~textual@135-23-210-183.cpe.pppoe.ca> has joined ##vulkan[02:00:15] *** Thinkofname <Thinkofname!~Think@5.135.185.23> has quit IRC (Quit: Leaving)[02:04:06] *** Thinkofname <Thinkofname!~Think@5.135.185.23> has joined ##vulkan[02:46:30] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has left ##vulkan[03:17:35] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has quit IRC (Ping timeout: 250 seconds)[04:56:20] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has joined ##vulkan[04:57:53] *** slime <slime!~slime73@blk-215-81-93.eastlink.ca> has quit IRC (Quit: This computer has gone to sleep)[04:58:11] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has quit IRC (Client Quit)[07:12:48] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has joined ##vulkan[07:32:49] *** bpmedley <bpmedley!~bpm@2600:1700:eb20:6050:b578:747c:8668:f307> has quit IRC (Ping timeout: 250 seconds)[08:53:45] *** bpmedley <bpmedley!~bpm@2600:1700:eb20:6050:2d0a:8c32:b276:511> has joined ##vulkan[09:55:27] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has joined ##vulkan[09:57:02] *** Deluxe <Deluxe!~Deluxe@2001:67c:1220:80e:e9:1d2:f14f:e47f> has joined ##vulkan[10:13:47] *** englosh <englosh!1f12f887@ip1f12f887.dynamic.kabel-deutschland.de> has joined ##vulkan[10:17:27] <englosh> So Vulkan is in many aspects more efficient/faster than OpenGL but I wonder do generally also just the shaders run faster in Vulkan than in OpenGL? Or do the shaders still run the same with both APIs?[10:18:01] <turol> generally the same[10:18:25] <englosh> Couldn't I theoretically hardcode a triangle in the shader then and then have the same perfomance with OpenGL and Vulkan?[10:18:26] <turol> there are small differences like vulkan has separate samplers and images which might save a few registers sometimes[10:18:33] <turol> yes[10:18:37] <englosh> ooh[10:19:00] <turol> in fact: https://github.com/turol/smaaDemo/blob/master/utils.h[10:21:02] <englosh> so if I stay on the shader side then I can mostly have the same perfomance[10:21:47] <englosh> However for bigger things than just a triangle it's probably not a good idea[10:29:40] <ratchetfreak> vulkan's efficiency comes mostly from cpu side things[10:29:53] <ratchetfreak> and is mostly related to driver overhead[10:35:58] <Yaniel> ^[10:36:14] <Yaniel> GL has to validate the entire driver state on every GL call[10:36:34] <Yaniel> vulkan does not do that (although there are validation layers that you can load to get similar behaviour)[10:39:00] <ratchetfreak> it's more that vulkan allows prevalidation to happen outside the main loop and actual draw call[10:40:03] <ratchetfreak> and it is setup to allow reuse of validated pipeline states by default almost[10:56:52] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has joined ##vulkan[11:13:59] *** englosh <englosh!1f12f887@ip1f12f887.dynamic.kabel-deutschland.de> has quit IRC (Remote host closed the connection)[11:31:45] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has quit IRC (Ping timeout: 268 seconds)[11:47:41] *** karroffel <karroffel!~karroffel@ip-178-203-190-17.hsi10.unitymediagroup.de> has quit IRC (Quit: The Lounge - https://thelounge.chat)[11:48:15] *** karroffel <karroffel!~karroffel@ip-178-203-190-17.hsi10.unitymediagroup.de> has joined ##vulkan[12:53:55] *** Deluxe <Deluxe!~Deluxe@2001:67c:1220:80e:e9:1d2:f14f:e47f> has quit IRC (Remote host closed the connection)[13:05:53] *** slime <slime!~slime73@24.215.81.93> has joined ##vulkan[13:20:08] *** slime <slime!~slime73@24.215.81.93> has quit IRC (Quit: This computer has gone to sleep)[13:25:31] *** slime <slime!~slime73@24.215.81.93> has joined ##vulkan[13:26:41] *** slime <slime!~slime73@24.215.81.93> has quit IRC (Client Quit)[13:41:50] *** Deluxe <Deluxe!~Deluxe@2001:67c:1220:80e:e9:1d2:f14f:e47f> has joined ##vulkan[15:01:08] *** karroffel <karroffel!~karroffel@ip-178-203-190-17.hsi10.unitymediagroup.de> has quit IRC (Quit: The Lounge - https://thelounge.chat)[15:01:44] *** karroffel <karroffel!~karroffel@ip-178-203-190-17.hsi10.unitymediagroup.de> has joined ##vulkan[15:09:41] *** mefesto_ <mefesto_!~user@107.145.49.162> has joined ##vulkan[15:33:34] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has joined ##vulkan[15:44:03] *** saint_go <saint_go!~textual@135-23-210-183.cpe.pppoe.ca> has quit IRC (Quit: Textual IRC Client: www.textualapp.com)[16:37:22] *** Deluxe <Deluxe!~Deluxe@2001:67c:1220:80e:e9:1d2:f14f:e47f> has quit IRC (Remote host closed the connection)[18:22:23] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has quit IRC (Quit: glYoda)[18:49:39] *** Deluxe <Deluxe!~Deluxe@212.4.150.151> has joined ##vulkan[18:50:51] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has joined ##vulkan[18:55:03] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has quit IRC (Ping timeout: 245 seconds)[18:56:55] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has joined ##vulkan[18:57:04] <Ralith> and doesn't require a bunch of dubious guessing be done for synchronization and scheduling[18:58:52] *** ImQ009 <ImQ009!~ImQ009@unaffiliated/imq009> has joined ##vulkan[19:27:27] *** felipealmeida <felipealmeida!~user@191.191.10.198> has joined ##vulkan[19:27:44] *** felipealmeida <felipealmeida!~user@191.191.10.198> has quit IRC (Remote host closed the connection)[19:28:11] *** felipealmeida <felipealmeida!~user@191.191.10.198> has joined ##vulkan[19:29:12] <felipealmeida> hi, if I create a COHERENT SSBO buffer, and I MapMemory to it, do I have to unmap to run commandbuffers depending on the SSBO?[19:29:21] <felipealmeida> or can I keep the mapping "open" ?[19:29:41] <felipealmeida> and there may be performance concerns to do it, if it is valid[19:33:25] <felipealmeida> is there anything like VAOs in Vulkan?[19:36:38] <fazias> "VK_MEMORY_PROPERTY_HOST_COHERENT_BIT bit specifies that the host cache management commands vkFlushMappedMemoryRanges and vkInvalidateMappedMemoryRanges are not needed to flush host writes to the device or make device writes visible to the host, respectively." from spec[19:37:08] <fazias> so you can leave one mapped[19:37:28] <fazias> and changes to it is correctly seen by gpu[19:40:06] <fazias> so you can just create memory with correct flags and then just create StorageBuffer views to suballocated offsets[19:41:13] <fazias> or what ever you use it as.[19:44:15] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has quit IRC (Ping timeout: 258 seconds)[19:46:10] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has joined ##vulkan[20:42:08] *** Yaniel <Yaniel!yaniel@unaffiliated/yaniel> has quit IRC (Ping timeout: 245 seconds)[21:05:26] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has left ##vulkan[21:11:51] *** Yaniel <Yaniel!yaniel@unaffiliated/yaniel> has joined ##vulkan[21:35:34] *** ImQ009 <ImQ009!~ImQ009@unaffiliated/imq009> has quit IRC (Quit: Leaving)[22:18:29] *** slime <slime!~slime73@24.215.81.93> has joined ##vulkan[22:19:08] <felipealmeida> fazias: thanks[22:45:52] *** ryp <ryp!ryp@gateway/vpn/privateinternetaccess/ryp> has quit IRC (Ping timeout: 245 seconds)[22:55:59] *** mefesto_ <mefesto_!~user@107.145.49.162> has quit IRC (Quit: ERC (IRC client for Emacs 26.1))[23:21:42] *** pa <pa!~pa@unaffiliated/pa> has quit IRC (Ping timeout: 245 seconds)[23:23:02] *** pa <pa!~pa@unaffiliated/pa> has joined ##vulkan[23:45:49] <reduz> Hi guys, any idea who should I contact to get https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/1070 fixed?[23:52:52] *** felipealmeida <felipealmeida!~user@191.191.10.198> has quit IRC (Remote host closed the connection)