June 15, 2018 
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June 15, 2018 [00:00:52] <ratchetfreak> or use a Deleter that is defined (but the operator() isn't defined in the header but in the cpp of the impl)[00:01:40] <Ralith> dyl: forward-declaring classes works fine?[00:01:52] <dyl> ratchetfreak that's what I was doing.[00:01:58] <dyl> One second let me clean this up and I'll show the issue.[00:02:14] <Ralith> you can't forward-declare member classes, but those are just marginal sugar anyway[00:06:46] <dyl> The issue is more:[00:06:50] <dyl> in the header I have `class RenderImpl`.[00:06:59] <dyl> But then in Renderer.cpp I'd like to *specify* that RenderImpl is.[00:07:02] <dyl> i.e. "complete it".[00:07:30] <dyl> A macro doesn't cut it as it won't be able to unify them, it seems...[00:08:27] *** davr0s <davr0s!~textual@host86-153-157-230.range86-153.btcentralplus.com> has joined ##vulkan[00:11:50] <dyl> I was hoping to make the type name binding macro'd :/.[00:11:55] <dyl> Rather than the includes.[00:12:18] *** TSS_ <TSS_!~TSS@2a02:2f0a:4030:1447:d250:99ff:fe83:4a0a> has quit IRC (Quit: ZNC 1.6.2 - http://znc.in)[00:13:15] <dyl> Ralith to clarify, I just wasn't much for having RenderImpl in multiple places (if there were multiple impls)[00:13:31] <dyl> I'd rather have ARenderer, BRenderer, CRenderer and bind the name RenderImpl in Renderer.cpp conditionally.[00:13:41] <dyl> (even though the includes would still be ifdef'd out)[00:13:42] *** TSS_ <TSS_!~TSS@188.27.178.159> has joined ##vulkan[00:13:49] <dyl> To be nicer to intellisense/tags/etc.[00:15:11] <dyl> The main use case I have for swappable implementation is a mock implementation, I really only care about vulkan for actual rendering.[00:15:16] <ratchetfreak> normally once would use a interface and inheritance for that[00:15:36] <ratchetfreak> then the interface is fully defined when it's used in the header[00:15:50] <ratchetfreak> but the impls can be hidden[00:16:02] <ratchetfreak> delete will work because of virtual destructor[00:16:25] <dyl> Well, for now at least I can make this work.[00:16:47] <dyl> It's good enough, and I don't think more inheritance is worth what will at most be 2 impls.[00:16:48] <dyl> (one of which is a mock)[00:16:52] *** Deluxe <Deluxe!~Deluxe@212.4.150.151> has quit IRC (Read error: Connection reset by peer)[00:21:34] <dyl> ratchetfreak this seem kosher?[00:21:34] <dyl> https://i.imgur.com/kPpeTfh.png[00:21:56] <dyl> I wanted to get rid of the static factory method and remove some extraneous stuff.[00:22:40] <dyl> s/window/framebuffer[00:26:45] <Ralith> dyl: it's not really clear to me what you want to accomplish[00:31:13] <dyl> At this point I’m just playing around a bit.[00:31:45] <dyl> I mostly just want to be able to swap out the actual Vulkan renderer implementation for a mock/tracing one.[00:32:18] <dyl> I.e. one which nops every method but logs regardless.[00:33:52] *** slime <slime!~slime73@blk-215-81-93.eastlink.ca> has joined ##vulkan[00:36:51] <Lymia> This should really be done at the vulkan layer level and not the application level[00:36:58] <Lymia> See: RenderDoc[00:37:41] <dyl> True but I’m targeting Apple devices and working on one.[00:37:46] <dyl> So I don’t really have that luxury.[00:37:54] <dyl> And besides I’d like to be able to do my own testing[00:38:54] *** koz_ <koz_!~koz@121.99.240.58> has joined ##vulkan[00:39:43] <koz_> Can someone suggest to me a beginner-friendly tutorial to SPIR-V (specifically writing it and then compiling with spirv-as)? I've no idea what any of it means when I read it.[00:46:01] <dyl> My understanding is that you probably don’t need to know SPIR-V itself.[00:46:04] <dyl> It’s a target IR.[00:46:54] <koz_> dyl: How do I write compute shaders then?[00:47:04] <ratchetfreak> glsl and compile with glslang[00:47:12] <koz_> ratchetfreak: Oh.[00:47:33] <dyl> You can also use the OpenCL C/C++ kernel langs can’t you?[00:47:35] <koz_> So what's the deal with spirv-as and the rest of the stuff in SPIRVTools?[00:47:49] <koz_> dyl: I dunno - hence why I'm asking.[00:48:31] <koz_> Ah, so I can use LLVM to compile OpenCL C into SPIRV. That makes sense, thank you.[00:48:51] <dyl> Well, no[00:49:03] <dyl> But you can translate a subset LLVM to SPIR-V and back.[00:49:13] <koz_> You mean LLVM bytecode?[00:49:21] <dyl> LLVM itself doesn’t have a SPIR-V backend to my knowledge.[00:49:47] <ratchetfreak> it's in the works last I heard[00:49:52] <dyl> https://github.com/KhronosGroup/SPIRV-LLVM[00:50:03] <dyl> It should be feasible. LLVM is already used for MSL.[00:50:17] <dyl> And that diagram suggests it’s happening[00:50:38] <dyl> koz_: this looks relevant to you https://github.com/KhronosGroup/SPIR/tree/spirv-1.0[00:50:55] <koz_> OK, thanks. That gives me more to go on.[00:51:02] <dyl> For OpenCL C ⇒ SPIR-V[00:51:30] *** cramalho <cramalho!~cramalho@179.190.254.211> has quit IRC (Quit: cramalho)[00:51:49] *** cramalho <cramalho!~cramalho@2804:54:16f5:8200:bd67:9a34:7fbd:ea22> has joined ##vulkan[01:29:11] *** davr0s <davr0s!~textual@host86-153-157-230.range86-153.btcentralplus.com> has quit IRC (Quit: My MacBook Pro has gone to sleep. 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ZZZzzz…)[09:33:08] *** grouse <grouse!~grouse@83-233-9-2.cust.bredband2.com> has joined ##vulkan[09:38:01] *** pa <pa!~pa@unaffiliated/pa> has quit IRC (Ping timeout: 260 seconds)[09:38:54] *** ColaEuphoria <ColaEuphoria!~ColaEupho@unaffiliated/colaeuphoria> has quit IRC (Quit: Leaving)[09:41:25] *** Guest4630 <Guest4630!4d3b9548@gateway/web/cgi-irc/kiwiirc.com/ip.77.59.149.72> has quit IRC (Ping timeout: 256 seconds)[09:49:13] *** pa <pa!~pa@unaffiliated/pa> has joined ##vulkan[10:08:41] *** Guest4630 <Guest4630!4d3b9548@gateway/web/cgi-irc/kiwiirc.com/ip.77.59.149.72> has joined ##vulkan[10:11:09] *** ratchetfreak <ratchetfreak!c351a8d8@gateway/web/freenode/ip.195.81.168.216> has joined ##vulkan[10:21:29] *** sla_ro|master <sla_ro|master!~sla.ro@78.96.209.89> has quit IRC ()[11:17:29] <neure> https://community.arm.com/graphics/b/blog/posts/using-compute-post-processing-in-vulkan-on-mali was somewhat interesting to read[11:18:24] <neure> i hadnt thought about pipeline as queue specific but it makes perfect sense of course[11:51:25] *** Deluxe <Deluxe!~Deluxe@2001:67c:1220:80e:e9:1d2:f14f:e47f> has joined ##vulkan[11:52:56] <ratchetfreak> the architecture is definitely interesting[11:53:42] <ratchetfreak> separate parts for gpgpu and fragment shading[11:53:52] <ratchetfreak> and main memory to connect them[11:54:41] *** goiko <goiko!~goiko@unaffiliated/goiko> has quit IRC (Ping timeout: 248 seconds)[12:05:12] *** goiko <goiko!~goiko@unaffiliated/goiko> has joined ##vulkan[12:22:02] *** alexge50 <alexge50!~alexge50@79.115.59.3> has joined ##vulkan[12:23:27] *** sla_ro|master <sla_ro|master!~sla.ro@78.96.209.89> has joined ##vulkan[13:01:01] *** sla_ro|master <sla_ro|master!~sla.ro@78.96.209.89> has quit IRC ()[13:05:32] *** slime <slime!~slime73@24.215.81.93> has joined ##vulkan[13:08:14] *** davr0s <davr0s!~textual@host86-153-157-230.range86-153.btcentralplus.com> has joined ##vulkan[13:11:29] *** joakimds_ <joakimds_!uid154127@gateway/web/irccloud.com/x-kizcdolewpyxknwa> has quit IRC (Quit: Connection closed for inactivity)[13:13:52] *** davr0s <davr0s!~textual@host86-153-157-230.range86-153.btcentralplus.com> has quit IRC (Quit: My MacBook Pro has gone to sleep. 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ZZZzzz…)[20:55:10] <fkaa> can't seem to find it in the spec; what happens when you call vkCmdBlitImage and the source & dest image dont have the same amount of components? (eg. 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