October 1, 2016 
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October 1, 2016 [00:06:47] *** harha_ <harha_!harha_@y55.ip4.netikka.fi> has quit IRC ()[00:07:13] *** gllm <gllm!~gllm@FL1-211-135-204-230.tky.mesh.ad.jp> has joined ##OpenGL[00:09:59] *** nikki93 <nikki93!~nikki93@2601:645:8104:cb10:f961:394f:4209:43d1> has quit IRC (Remote host closed the connection)[00:10:41] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has joined ##OpenGL[00:12:19] *** SwiftMatt <SwiftMatt!~Objective@162.242.95.162> has quit IRC (Quit: My MacBook Pro has gone to sleep. 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ZZZzzz…)[01:43:32] <grim002> So when the GPU runs out of memory while uploading textures, does OpenGL automatically swap data between the process and the GPU to prevent an out-of-memory error?[01:46:47] *** ratchet_freak <ratchet_freak!~ratchetfr@d51A4BEAF.access.telenet.be> has quit IRC (Ping timeout: 244 seconds)[01:50:02] <slime> what happens depends on the driver[01:50:05] <dahlia> grim002: My observations suggest that yes, it does use virtual memory and swaps to disk, but I suspect it's implementation dependent and I don't have ay direct evidence[01:50:09] <slime> the opengl spec doesn't say much about it[01:50:12] <dahlia> *any[01:50:13] *** dusted <dusted!~dusted@77.68.146.149> has quit IRC (Remote host closed the connection)[01:51:00] <grim002> I have noticed that I can cotinue uploading large numbers of textures even once the graphics card memory is full[01:51:05] <dahlia> that said, I've used way more texture memory than I had gpu memory on a few occasions[01:51:22] <dahlia> and had a lot of freezes with the disk light flashing :)[01:51:49] <grim002> on a graphics card with 2GB of memory, it seems to take over 4GB of texture uploads before I get an OOM error from OpenGL[01:52:10] <danhedron> There are extensions you can use to see how much graphics memory you are actually using[01:53:03] <dahlia> there's also some compressed texture formats that might help[01:53:27] <grim002> I'm just tinkering with it, not a problem in actual practice[01:55:34] *** Kingsquee <Kingsquee!~kingsley@d206-116-124-155.bchsia.telus.net> has joined ##OpenGL[02:00:49] *** indefini <indefini!~chris@240d:1a:1ca:ac00:3602:86ff:fe47:864b> has joined ##OpenGL[02:01:50] *** MrFlibble <MrFlibble!MrFlibble@2.220.66.251> has quit IRC (Quit: MrFlibble)[02:02:45] *** realz <realz!~realz@unaffiliated/realazthat> has quit IRC (Ping timeout: 272 seconds)[02:04:18] *** torarne <torarne!torarnemat@gateway/shell/matrix.org/x-mohwvjdeioplhzfx> has quit IRC (Remote host closed the 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has quit IRC (Remote host closed the connection)[07:53:32] *** bzztploink <bzztploink!~bzztploin@gateway/vpn/privateinternetaccess/bzztploink> has quit IRC (Remote host closed the connection)[07:54:33] *** feliwir <feliwir!Elite16673@gateway/shell/elitebnc/x-ahozgrqmuxpvbdim> has joined ##OpenGL[07:56:16] *** Xeronate <Xeronate!~Xeronate@cpe-74-135-71-188.columbus.res.rr.com> has quit IRC (Quit: Leaving)[08:03:46] *** bzztploink <bzztploink!~bzztploin@gateway/vpn/privateinternetaccess/bzztploink> has joined ##OpenGL[08:04:06] *** Cooler <Cooler!~CoolerExt@117.207.163.55> has quit IRC (Ping timeout: 264 seconds)[08:08:08] *** Cooler <Cooler!~CoolerExt@117.207.163.183> has joined ##OpenGL[08:08:49] *** notadeveloper_ <notadeveloper_!~notadevel@2602:306:bd2a:a160:10b0:f008:f441:202b> has quit IRC (Ping timeout: 272 seconds)[08:08:56] *** torarne <torarne!torarnemat@gateway/shell/matrix.org/x-vhbtjabmqhfubmpj> has joined ##OpenGL[08:08:57] *** Yaniel <Yaniel!yanielkolm@gateway/shell/matrix.org/x-svthxyhmdneusqtf> has joined ##OpenGL[08:11:10] *** fqtw__ <fqtw__!~me@x590c66e9.dyn.telefonica.de> has joined ##OpenGL[08:11:26] *** notadeveloper <notadeveloper!~notadevel@2602:306:bd2a:a160:10b0:f008:f441:202b> has joined ##OpenGL[08:13:01] *** monsterjamp <monsterjamp!uid156866@gateway/web/irccloud.com/x-jlswdekuwjixfhew> has quit IRC (Quit: Connection closed for inactivity)[08:14:18] *** fqtw <fqtw!~me@x590c6f87.dyn.telefonica.de> has quit IRC (Ping timeout: 264 seconds)[08:14:18] *** fqtw_ <fqtw_!~me@x590c6f87.dyn.telefonica.de> has quit IRC (Ping timeout: 264 seconds)[08:15:05] *** fqtw <fqtw!~me@x590c66e9.dyn.telefonica.de> has joined ##OpenGL[08:18:17] *** norotartagen <norotartagen!~norotarta@71-89-76-184.dhcp.bycy.mi.charter.com> has joined ##OpenGL[08:18:41] <norotartagen> hello[08:18:51] <norotartagen> it's as if the Z value is handled differently[08:20:39] <norotartagen> i'm using glOrtho(0, 1, 0, 1, 0, 1) but i only see items with negative z positions[08:20:57] *** cam_y_ <cam_y_!~cam_y@162.222.103.203> has quit IRC (Remote host closed the connection)[08:21:28] *** Zerflag <Zerflag!~zerflag@216-19-179-103.dyn.novuscom.net> has joined ##OpenGL[08:22:06] *** funfunctor <funfunctor!~edward@1.144.96.126> has quit IRC (Ping timeout: 264 seconds)[08:29:30] <norotartagen> confirmed[08:29:36] <norotartagen> z handled differently[08:30:00] <norotartagen> deIlluminati[08:30:57] *** notadeveloper <notadeveloper!~notadevel@2602:306:bd2a:a160:10b0:f008:f441:202b> has quit IRC (Read error: Connection reset by peer)[08:32:53] *** feliwir <feliwir!Elite16673@gateway/shell/elitebnc/x-ahozgrqmuxpvbdim> has quit IRC (Ping timeout: 272 seconds)[08:34:19] *** krs93 <krs93!~krs93@2605:6000:8b03:da00:4dd7:6cbc:13d8:9bb7> has joined ##OpenGL[08:36:30] *** NateRiver <NateRiver!~IceChat9@softbank126093098229.bbtec.net> has quit IRC (Ping timeout: 264 seconds)[08:40:40] *** krs93 <krs93!~krs93@2605:6000:8b03:da00:4dd7:6cbc:13d8:9bb7> 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I am flushing, finishing, then swapping buffers and then call glReadPixels with coordinates from the glfw mouse input, without any success[11:41:12] <dsop> the output i get seems rather random[11:41:24] <dsop> and definately not what is rendered at these positions[11:42:08] *** sandeepkr__ <sandeepkr__!~sandeepkr@114.69.228.174> has joined ##OpenGL[11:46:06] *** kuldeep <kuldeep!~kuldeep@unaffiliated/kuldeepdhaka> has joined ##OpenGL[11:47:48] *** cam_y_ <cam_y_!~cam_y@162.222.103.203> has quit IRC (Remote host closed the connection)[11:48:04] <xaxxon> what is the range of the glfw mouse input?[11:48:12] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has quit IRC (Remote host closed the connection)[11:48:37] <xaxxon> dsop: glancing at teh docs, it sounds like the numbers you get from glfw aren't normalized[11:48:37] <dsop> xaxxon: 0,0, -> width,height of the window[11:48:59] <xaxxon> dsop: oh, nm.[11:49:00] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has joined ##OpenGL[11:49:07] <dsop> xaxxon: my understanding is that glReadPixel uses window coordinates[11:49:12] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has quit IRC (Remote host closed the connection)[11:49:14] <dsop> xaxxon: the strang thins is, it sometimes picks, sometimes not[11:49:40] <xaxxon> maybe your format is wrong to glReadPixel?[11:49:50] <dsop> I am trying to implement naive object picking via colors.[11:49:55] <dsop> sec, let me pastebin[11:50:56] <dsop> xaxxon: it's pretty straight forward: http://pastebin.com/RGRg8nnU[11:51:22] <xaxxon> dsop: are you sending in height-glfw_mouse_pos.y ?[11:51:22] <xaxxon> cuz one starts at the top, the other at the bottom[11:51:34] <dsop> ahhhhhh[11:51:58] <xaxxon> glReadPixels and glReadnPixels return pixel data from the frame buffer, starting with the pixel whose lower left corner is at location (x, y)[11:52:09] <xaxxon> hrmm.. maybe?[11:52:25] <xaxxon> I'm not sure how to read that[11:52:25] <xaxxon> but shit.. jus try it[11:52:25] <xaxxon> glfw: This function returns the position of the cursor, in screen coordinates, relative to the upper-left corner of the client area of the specified window.[11:52:26] <Nimmy> should you pick GL_UNSIGNED_BYTE instead of float[11:52:54] <dsop> Nimmy: I want to change to GL_UNSIGNED_BYTE later, atm i am just cocnerned why glReadPixels doesnt return what i want it[11:53:31] <Nimmy> you're only reading 1 pixel[11:53:31] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has joined ##OpenGL[11:54:39] <dahlia> dsop: I think the y term for glReadPixels has 0 at the bottom which may be opposite of the mouse[11:55:11] *** madsy <madsy!~madsy@188.113.83.105> has joined ##OpenGL[11:55:11] *** madsy <madsy!~madsy@188.113.83.105> has quit IRC (Changing host)[11:55:11] *** madsy <madsy!~madsy@fu/coder/madsy> has joined ##OpenGL[11:55:11] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has quit IRC (Remote host closed the connection)[11:56:08] <Nimmy> dsop you are not allowed to use GL_FLOAT, and the 3rd and 4th parameters are the number of pixels to read[11:56:43] <Shockk> for GL_RGBA, the format needs to be GL_UNSIGNED_BYTE iirc[11:56:53] <Nimmy> so at the moment you are reading 1 pixel of garbage[11:56:56] *** crankslider <crankslider!~slidercra@unaffiliated/slidercrank> has joined ##OpenGL[11:56:59] <dsop> okay let me play around, thanks for the hint[11:57:07] <Shockk> GL_FLOAT would mean each component (r, g, b, and a) would be GL_FLOAT, if I'm recalling correctly again[11:57:27] *** xaxxon <xaxxon!~xaxxon@2601:602:9d00:d58b:15c5:6246:bf2:2014> has quit IRC (Ping timeout: 272 seconds)[11:57:27] <Shockk> whereas GL_UNSIGNED_BYTE means a byte is used for each of the components[11:57:46] *** xaxxon <xaxxon!~xaxxon@c-24-18-184-142.hsd1.wa.comcast.net> has joined ##OpenGL[11:57:48] <Nimmy> the docs state clearly: type[11:57:48] <Nimmy> Specifies the data type of the pixel data. Must be one of GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_4_4_4_4, or GL_UNSIGNED_SHORT_5_5_5_1.[11:58:07] <Nimmy> oh thats old docs[11:58:25] <Nimmy> still the framebuffer is a bytebuffer not a float buffer[11:59:15] <dsop> Nimmy: okay thanks, that helps a great deal. I must have not read carefully enough[11:59:17] *** CapsAdmin <CapsAdmin!~CapsAdmin@ti0115a400-1989.bb.online.no> has joined ##OpenGL[12:00:05] *** sandeepkr_ <sandeepkr_!~sandeepkr@103.49.155.114> has joined ##OpenGL[12:00:30] *** kuldeep_ <kuldeep_!~kuldeep@unaffiliated/kuldeepdhaka> has joined ##OpenGL[12:01:20] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Remote host closed the connection)[12:01:29] <Nimmy> dsop if you created a custom framebuffer with a GL_FLOAT type, reading with GL_FLOAT would make sense, but currently it's trying to read 16 bytes of float data of which only 4 are filled, so you get a random unsigned int molded into a float, and 3 undefined components[12:01:37] *** madsy <madsy!~madsy@188.113.83.105> has joined ##OpenGL[12:01:37] *** madsy <madsy!~madsy@188.113.83.105> has quit IRC (Changing host)[12:01:37] *** madsy <madsy!~madsy@fu/coder/madsy> has joined ##OpenGL[12:03:41] *** sandeepkr__ <sandeepkr__!~sandeepkr@114.69.228.174> has quit IRC (Ping timeout: 244 seconds)[12:04:25] *** zagabar <zagabar!~zagabar@c213-89-112-5.bredband.comhem.se> has joined ##OpenGL[12:04:25] *** zagabar <zagabar!~zagabar@c213-89-112-5.bredband.comhem.se> has quit IRC (Changing host)[12:04:25] *** zagabar <zagabar!~zagabar@unaffiliated/zagabar> has joined ##OpenGL[12:04:25] *** kuldeep <kuldeep!~kuldeep@unaffiliated/kuldeepdhaka> has quit IRC (Ping timeout: 272 seconds)[12:04:41] *** pril <pril!~userid@unaffiliated/pril> has joined ##OpenGL[12:07:34] <dsop> Nimmy: thanks for the background. I am trying with your approach, without much luck yet :/[12:08:05] <dsop> (and reversing the height))[12:08:53] *** notadeveloper__ <notadeveloper__!~notadevel@2602:306:bd2a:a160:9450:9f8c:1840:c7a2> has joined ##OpenGL[12:11:23] *** lucaswa__ <lucaswa__!~lucaswang@59.63.248.96> has quit IRC (Ping timeout: 272 seconds)[12:11:56] *** lucaswang <lucaswang!~lucaswang@183.167.211.74> has joined ##OpenGL[12:12:07] <xaxxon> well, regardless of reversing the y, you should be able to tell if you're simply getting top/bottom swapped[12:12:16] <xaxxon> vs garbage[12:12:39] *** notadeveloper_ <notadeveloper_!~notadevel@2602:306:bd2a:a160:9450:9f8c:1840:c7a2> has quit IRC (Ping timeout: 272 seconds)[12:12:39] *** Cooler <Cooler!~CoolerExt@117.207.163.183> has quit IRC (Ping timeout: 272 seconds)[12:12:46] *** CoolerExtreme <CoolerExtreme!~CoolerExt@117.207.163.183> has joined ##OpenGL[12:12:52] *** CoolerExtreme is now known as Cooler[12:13:12] <Nimmy> dsop are you reading more than 1 pixel now[12:15:52] *** Yarne <Yarne!~Yarne@82-71-4-25.dsl.in-addr.zen.co.uk> has joined ##OpenGL[12:16:51] *** irrenhaus3 <irrenhaus3!~xenon@HSI-KBW-046-005-253-079.hsi8.kabel-badenwuerttemberg.de> has joined ##OpenGL[12:18:05] <dsop> Nimmy: no i am reading one pixel into an array of 4x unsigned chars[12:18:26] *** notadeveloper <notadeveloper!~notadevel@107-210-170-22.lightspeed.sndgca.sbcglobal.net> has joined ##OpenGL[12:21:31] *** notadeveloper__ <notadeveloper__!~notadevel@2602:306:bd2a:a160:9450:9f8c:1840:c7a2> has quit IRC (Ping timeout: 272 seconds)[12:26:08] <dsop> Nimmy: I'll figure out out from here, thanks a lot for your help. xaxxon same to you :)[12:26:56] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Ping timeout: 244 seconds)[12:31:04] <Nimmy> dsop also important is to call glReadBuffer(GL_FRONT);[12:31:14] <Nimmy> or instead read before you swap buffers[12:31:23] <Nimmy> the default buffer glReadPixels reads from is GL_BACK[12:34:10] *** pril <pril!~userid@unaffiliated/pril> has quit IRC (Ping timeout: 244 seconds)[12:35:11] <xaxxon> dsop: gl[12:38:26] *** groton <groton!~groton@unaffiliated/groton> has joined ##OpenGL[12:39:12] *** KAHR-Alpha <KAHR-Alpha!~Alpha@AReims-652-1-192-126.w92-142.abo.wanadoo.fr> has joined ##OpenGL[12:43:03] *** Kingsquee <Kingsquee!~kingsley@d206-116-124-155.bchsia.telus.net> has quit IRC (Ping timeout: 272 seconds)[12:43:51] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has joined ##OpenGL[12:43:59] *** madsy <madsy!~madsy@fu/coder/madsy> has joined ##OpenGL[12:54:28] *** ^v <^v!~v^@me.pxtst.com> has quit IRC (Ping timeout: 272 seconds)[12:54:51] *** ^v <^v!~v^@me.pxtst.com> has joined ##OpenGL[12:57:19] *** pa <pa!~pa@unaffiliated/pa> has quit IRC (Ping timeout: 255 seconds)[13:02:41] *** Codex_ <Codex_!~terop@91-157-91-164.elisa-laajakaista.fi> has quit IRC (Ping timeout: 272 seconds)[13:05:41] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Ping timeout: 244 seconds)[13:07:17] *** Kymps_ <Kymps_!c1280da5@gateway/web/freenode/ip.193.40.13.165> has joined ##OpenGL[13:08:39] <Kymps_> Hey guys, how can I set input value for compute shader?[13:10:06] *** pa <pa!~pa@unaffiliated/pa> has joined ##OpenGL[13:15:25] *** ExpiredPopsicle <ExpiredPopsicle!~ExpiredPo@expiredpopsicle.com> has quit IRC (Read error: Connection reset by peer)[13:18:04] *** madsy <madsy!~madsy@fu/coder/madsy> has joined ##OpenGL[13:19:21] <Nimmy> Kymps_ beep boop https://www.opengl.org/wiki/Compute_Shader#Inputs[13:19:34] <Nimmy> https://www.opengl.org/wiki/Compute_Shader *[13:19:51] <Nimmy> the answer you seek is enveloped in given page[13:21:30] *** sedeki <sedeki!~textual@unaffiliated/sedeki> has quit IRC (Ping timeout: 264 seconds)[13:21:50] *** ExpiredPopsicle <ExpiredPopsicle!~ExpiredPo@expiredpopsicle.com> has joined ##OpenGL[13:22:02] *** notadeveloper_ <notadeveloper_!~notadevel@107-210-170-22.lightspeed.sndgca.sbcglobal.net> has joined ##OpenGL[13:22:57] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Ping timeout: 272 seconds)[13:25:42] *** notadeveloper <notadeveloper!~notadevel@107-210-170-22.lightspeed.sndgca.sbcglobal.net> has quit IRC (Ping timeout: 264 seconds)[13:27:24] *** eivarv <eivarv!~eivarv@84.215.4.97> has quit IRC (Quit: Quit)[13:27:52] *** madsy <madsy!~madsy@fu/coder/madsy> has joined ##OpenGL[13:28:06] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has quit IRC (Remote host closed the connection)[13:28:26] *** flavi0 <flavi0!~anon@unaffiliated/flavi0> has quit IRC (Quit: leaving)[13:31:33] *** eivarv <eivarv!~eivarv@cm-84.215.4.97.getinternet.no> has joined ##OpenGL[13:32:02] *** lucaswang <lucaswang!~lucaswang@183.167.211.74> has quit IRC (Ping timeout: 244 seconds)[13:32:26] *** lucaswang <lucaswang!~lucaswang@59.63.248.96> has joined ##OpenGL[13:35:08] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Ping timeout: 244 seconds)[13:40:18] *** Nimmy <Nimmy!d5115661@gateway/web/cgi-irc/kiwiirc.com/ip.213.17.86.97> has quit IRC (Quit: http://www.kiwiirc.com/ - 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ZZZzzz…)[14:55:28] *** Vag <Vag!~Vag@ppp-2-85-27-198.home.otenet.gr> has quit IRC (Quit: Linkinus - http://linkinus.com)[14:55:44] *** Mysoft <Mysoft!~user@unaffiliated/mysoft> has quit IRC (Ping timeout: 244 seconds)[14:56:42] *** doomlord <doomlord!~textual@host86-142-61-36.range86-142.btcentralplus.com> has joined ##OpenGL[14:56:46] *** Waynes <Waynes!~wayness@23.94.61.168> has quit IRC (Ping timeout: 244 seconds)[15:04:55] *** KAHR-Alpha <KAHR-Alpha!~Alpha@AReims-652-1-192-126.w92-142.abo.wanadoo.fr> has quit IRC (Ping timeout: 272 seconds)[15:06:00] *** pril <pril!~userid@unaffiliated/pril> has joined ##OpenGL[15:06:04] *** madsy <madsy!~madsy@fu/coder/madsy> has quit IRC (Ping timeout: 244 seconds)[15:06:26] *** funfunctor <funfunctor!~edward@1.144.96.126> has joined ##OpenGL[15:06:35] *** D-e-X <D-e-X!~D-e-X@unaffiliated/d-e-x> has quit IRC (Ping timeout: 244 seconds)[15:12:15] <reduz> I don't completely understand if OpenGL ES 3.0 supports non power of two textures with mipmaps[15:13:23] <reduz> spec says - "non-power-of-two textures with full wrap mode support and mipmapping" so I guess yes[15:13:51] <Bloodust> https://i.imgur.com/y1G5HiG.png[15:14:03] <Bloodust> no offense just thought it was funny and kind of related[15:15:21] *** t0by <t0by!~t0by@host81-240-dynamic.248-95-r.retail.telecomitalia.it> has joined ##OpenGL[15:16:42] *** Th30n <Th30n!~Th30n@78-0-237-73.adsl.net.t-com.hr> has quit IRC (Ping timeout: 264 seconds)[15:16:56] *** swnc <swnc!~swnc@port-92-204-73-215.dynamic.qsc.de> has quit IRC (Quit: Leaving.)[15:17:01] *** D-e-X <D-e-X!~D-e-X@unaffiliated/d-e-x> has joined ##OpenGL[15:18:28] *** irrenhaus3 <irrenhaus3!~xenon@HSI-KBW-046-005-253-079.hsi8.kabel-badenwuerttemberg.de> has quit IRC (Ping timeout: 244 seconds)[15:20:54] *** pril <pril!~userid@unaffiliated/pril> has quit IRC (Ping timeout: 264 seconds)[15:24:31] *** xerpi <xerpi!~xerpi@0.red-88-7-99.staticip.rima-tde.net> has quit IRC (Remote host closed the connection)[15:27:14] <reduz> Bloodust, indeed :D[15:27:15] *** funfunctor <funfunctor!~edward@1.144.96.126> has quit IRC (Ping timeout: 244 seconds)[15:27:41] <reduz> ok next is if GLES3 supports anisotropic texture filter, the spec does not say anything about it[15:28:39] <reduz> i found GL_EXT_texture_filter_anisotropic from 2014 so i guess to[15:29:27] *** xerpi <xerpi!~xerpi@0.red-88-7-99.staticip.rima-tde.net> has joined ##OpenGL[15:29:29] *** Waynes <Waynes!~wayness@23.94.61.168> has joined ##OpenGL[15:29:55] *** doomlord <doomlord!~textual@host86-142-61-36.range86-142.btcentralplus.com> has quit IRC (Quit: My MacBook Pro has gone to sleep. 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##OpenGL[19:51:45] *** Jidoor <Jidoor!~Jidoor@unaffiliated/chilley> has joined ##OpenGL[19:52:07] <Jidoor> is it possible to use catmull clark on a triangle mesh[19:52:39] <Codex_> jidoor: you want smoothing of the mesh?[19:53:34] <Codex_> I think catmull clark required some additional information which isn't available in normal mesh data structure...[19:54:15] <Jidoor> i was thinking about implementing catmull clark as an exercise but i'm only using triangle meshes so if it doesn't work on those i'd skip it[19:54:44] <Codex_> https://en.wikipedia.org/wiki/Catmull%E2%80%93Clark_subdivision_surface[19:56:31] <Codex_> maybe best trick would be to use some software that can already implement it :-)[19:56:41] <Codex_> no need to do it manually[20:01:42] *** BilboTheHobbit <BilboTheHobbit!~Emma@112.10.170.120> has quit IRC (Ping timeout: 264 seconds)[20:06:39] *** ezraanderson <ezraanderson!ezraanders@68-69-159-115.wightman.ca> has joined ##OpenGL[20:07:17] <ezraanderson> question: Would instancing be better with or with out an index buffer on the orginal object?[20:07:43] <ezraanderson> that may very well be a dumb question, but i can not seem to find an answer[20:08:25] <Nimmy> it doesnt matter[20:09:03] *** bookmark <bookmark!~IceChat77@173-169-112-35.res.bhn.net> has joined ##OpenGL[20:09:09] <bookmark> hi[20:09:58] <Nimmy> hello[20:13:46] *** Codex_ <Codex_!~terop@91-157-91-164.elisa-laajakaista.fi> has quit IRC (Ping timeout: 265 seconds)[20:23:02] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has joined ##OpenGL[20:23:40] *** eivarv <eivarv!~eivarv@cm-84.215.4.97.getinternet.no> has quit IRC (Quit: Sleep)[20:25:03] *** eivarv <eivarv!~eivarv@cm-84.215.4.97.getinternet.no> has joined ##OpenGL[20:26:38] *** afl_ext <afl_ext!~afl_ext3@unaffiliated/afl-ext/x-2796036> has joined ##OpenGL[20:27:26] <afl_ext> im very suprised that raymarchng height to render some bump map for water is faster when using texture for height map instead of noise generation on the fly[20:30:27] *** ravior <ravior!~ravior@5.13.191.69> has joined ##OpenGL[20:30:33] *** nolash <nolash!~nolash@ip5f5bd578.dynamic.kabel-deutschland.de> has joined ##OpenGL[20:34:04] *** ratchet_freak <ratchet_freak!~ratchetfr@ptr-2hj4tbosgukoe9xbd4ic363xx.ip6.access.telenet.be> has quit IRC (Ping timeout: 265 seconds)[20:43:56] *** nimitz <nimitz!~ztimin@24.157.136.174> has joined ##OpenGL[20:44:24] *** fqtw__ <fqtw__!~me@x4db24eb8.dyn.telefonica.de> has joined ##OpenGL[20:44:24] *** fqtw <fqtw!~me@x4db24eb8.dyn.telefonica.de> has joined ##OpenGL[20:47:46] *** Codex_ <Codex_!~terop@91-157-91-164.elisa-laajakaista.fi> has joined ##OpenGL[20:49:56] <noizex> why? noise is costly[20:50:15] <noizex> especially the good looking one[20:53:53] *** AlphaAtom <AlphaAtom!~textual@cpc17-heme10-2-0-cust806.9-1.cable.virginm.net> has quit IRC (Quit: My MacBook has gone to sleep. ZZZzzz…)[20:55:08] *** xaxxon <xaxxon!~xaxxon@2601:602:9d00:d58b:15c5:6246:bf2:2014> has joined ##OpenGL[20:55:26] *** ratchet_freak <ratchet_freak!~ratchetfr@d51A4BEAF.access.telenet.be> has joined ##OpenGL[20:59:21] *** AlphaAtom <AlphaAtom!~textual@cpc17-heme10-2-0-cust806.9-1.cable.virginm.net> has joined ##OpenGL[21:05:24] *** groton <groton!~groton@unaffiliated/groton> has quit IRC (Quit: groton)[21:06:53] <ezraanderson> so quick test, without an indexbuffer I get better fps by 10[21:10:42] *** Th30n <Th30n!~Th30n@78-0-237-73.adsl.net.t-com.hr> has quit IRC (Ping timeout: 264 seconds)[21:11:13] <Nimmy> 10 on what[21:11:29] <Nimmy> 20 fps instead of 30, or 490 instead of 500[21:11:53] <ezraanderson> 30 to 40 on 1 million objects[21:11:55] *** cam_y <cam_y!~cam_y@162.222.103.203> has joined ##OpenGL[21:12:00] *** groton <groton!~groton@unaffiliated/groton> has joined ##OpenGL[21:12:12] <ezraanderson> but simple objects ie: 1 million cubs[21:12:17] <ezraanderson> *cubes[21:12:24] <Nimmy> which graphics card do you have[21:12:55] <ezraanderson> older GeForce GT 720[21:13:24] <Nimmy> alright[21:13:35] *** _d3x0r__ <_d3x0r__!~d3x0r@ip72-193-17-27.lv.lv.cox.net> has joined ##OpenGL[21:13:40] *** Salvakiya <Salvakiya!~Salvakiya@host109-155-36-77.range109-155.btcentralplus.com> has quit IRC (Quit: Leaving)[21:13:43] <ezraanderson> probably on more complex objects you might see the reverse, if there was alot more shared vertics[21:14:03] *** d3x0r <d3x0r!~d3x0r@ip72-193-17-27.lv.lv.cox.net> has quit IRC (Read error: Connection reset by peer)[21:14:09] <ezraanderson> just a guess opengl is still very new to me (grapics programing)[21:15:42] *** Kingsquee <Kingsquee!~kingsley@d206-116-124-155.bchsia.telus.net> has joined ##OpenGL[21:15:48] *** Occulus2057 <Occulus2057!~Alfred@24-113-48-48.wavecable.com> has joined ##OpenGL[21:16:38] <noizex> https://dl.dropboxusercontent.com/u/1040763/capsule.PNG[21:16:55] <noizex> think I just created the most awful algorithm for drawing a capsule[21:27:17] <slime> ezraanderson: uint or ushort indices?[21:28:13] *** xaxxon <xaxxon!~xaxxon@2601:602:9d00:d58b:15c5:6246:bf2:2014> has quit IRC (Quit: Leaving)[21:28:41] *** tambre <tambre!~tambre@3514-db12-9368-e5df-a980-8a3e-07d0-2001.dyn.estpak.ee> has quit IRC (Ping timeout: 248 seconds)[21:29:54] *** krs93_ <krs93_!~krs93@cpe-97-99-248-76.tx.res.rr.com> has quit IRC (Ping timeout: 264 seconds)[21:32:09] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has quit IRC (Remote host closed the connection)[21:33:30] *** Birchy <Birchy!~Birchy@178-164-108.52.3p.ntebredband.no> has quit IRC (Ping timeout: 264 seconds)[21:39:47] <ezraanderson> GLushort[21:41:44] *** _d3x0r__ <_d3x0r__!~d3x0r@ip72-193-17-27.lv.lv.cox.net> has quit IRC (Read error: Connection reset by peer)[21:42:04] *** _d3x0r__ <_d3x0r__!~d3x0r@ip72-193-17-27.lv.lv.cox.net> has joined ##OpenGL[21:42:42] *** konom <konom!~tamatias@bzq-84-108-63-8.cablep.bezeqint.net> has quit IRC (Read error: Connection 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<Kymps_!c1280da5@gateway/web/freenode/ip.193.40.13.165> has quit IRC (Ping timeout: 240 seconds)[23:14:03] *** ronaldsmazitis <ronaldsmazitis!~quassel@46.109.139.95> has joined ##OpenGL[23:18:28] *** ronaldsmazitis <ronaldsmazitis!~quassel@46.109.139.95> has quit IRC (Read error: Connection reset by peer)[23:18:43] *** Suchorski <Suchorski!regex@unaffiliated/suchorski> has quit IRC ()[23:23:01] *** monsterjamp <monsterjamp!uid156866@gateway/web/irccloud.com/x-ghflurterzeagqki> has quit IRC (Quit: Connection closed for inactivity)[23:23:56] *** Karyon <Karyon!~yaaic@unaffiliated/karyon> has quit IRC (Remote host closed the connection)[23:27:50] *** cam_y <cam_y!~cam_y@162.222.103.203> has joined ##OpenGL[23:35:18] *** upgrdman <upgrdman!~upgrdman@blender/artist/upgrdman> has quit IRC (Ping timeout: 264 seconds)[23:35:46] *** cam_y <cam_y!~cam_y@162.222.103.203> has quit IRC (Remote host closed the connection)[23:38:25] *** TechnoCrunch <TechnoCrunch!~Tech@101.100.137.146> has joined ##OpenGL[23:38:43] *** ronaldsmazitis <ronaldsmazitis!~quassel@46.109.139.95> has joined ##OpenGL[23:42:21] *** Xeek <Xeek!~xeek@unaffiliated/xeek> has quit IRC (Ping timeout: 240 seconds)[23:44:31] *** Xeek <Xeek!~xeek@unaffiliated/xeek> has joined ##OpenGL[23:51:51] *** fpro <fpro!~fpro@hines-sting-1-21.greenmountainaccess.net> has joined ##OpenGL[23:52:00] *** ronaldsmazitis <ronaldsmazitis!~quassel@46.109.139.95> has quit IRC (Remote host closed the connection)[23:52:12] <fpro> is a framebuffer per pixel?[23:54:00] <Codex_> it kinda stores all the pixels[23:54:41] <afl_ext> texture stores the data[23:54:42] *** nine_milli <nine_milli!~nine_mill@32.213.61.120> has joined ##OpenGL[23:54:52] <Codex_> oh right[23:55:04] <Codex_> I forgot you need to specify texture to it too[23:55:09] *** AlphaAtom <AlphaAtom!~textual@cpc17-heme10-2-0-cust806.9-1.cable.virginm.net> has quit IRC (Quit: My MacBook has gone to sleep. ZZZzzz…)[23:55:15] <afl_ext> fbo is something that allows you to render to texture (or screen directly)[23:55:18] <afl_ext> i dont know how to say it better[23:55:18] <fpro> I am trying to wrap my head around where bandwidth comes into play[23:55:56] <derhass> fpro: everywhere you read or write data[23:57:14] *** Pursche01 <Pursche01!uid28470@gateway/web/irccloud.com/x-truowhgcjsnnmbsh> has quit IRC (Quit: Connection closed for inactivity)