October 1, 2014 
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IRC[04:14:47] *** jdolan has joined ##OpenGL[04:18:53] *** jdolan has quit IRC[04:19:15] *** b4b has joined ##OpenGL[04:21:50] *** souper has joined ##OpenGL[04:21:54] <souper> hey can someone help me[04:21:58] <souper> i have a VBO[04:22:08] <souper> and some extra quads are popping up[04:22:28] <souper> i don't know why or how to get rid of them[04:22:47] *** Cabanossi has quit IRC[04:23:01] <doboo> are you sure to give the proper size when sending data to vbo?[04:23:10] *** b4b has quit IRC[04:23:16] *** crankslider has quit IRC[04:23:38] *** BlueProtoman has joined ##OpenGL[04:23:53] <BlueProtoman> How can I tell, on Ubuntu 14.04, what version of OpenGL my computer supports?[04:24:00] *** Cabanossi has joined ##OpenGL[04:24:42] <Hunts> BlueProtoman: glxinfo | grep "OpenGL version"[04:25:20] *** linuxuz3r has joined ##OpenGL[04:25:56] <BlueProtoman> Hunts: Ah, thank you. So I've got OpenGL 3. How can I get OpenGL 4? Am I reliant on the hardware, or can I just wait for new drivers?[04:26:08] *** paper_ has quit IRC[04:26:10] <Hunts> what GPU?[04:26:15] <Hunts> it depends on both[04:26:26] <souper> umm[04:26:35] <souper> i think my gpu is a raedon[04:26:44] <BlueProtoman> Hunts: nVidia GeForce 520M[04:27:21] <souper> i just need to figure out why the extra quads are pooping up[04:27:31] *** konom has joined ##OpenGL[04:27:34] <souper> pooping*[04:27:38] <souper> popping[04:27:42] <Hunts> BlueProtoman: are you using NVIDIA's drivers?[04:27:46] <souper> no[04:27:52] <souper> i am using amds[04:28:01] <Hunts> souper: I am not asking you[04:28:11] <BlueProtoman> Hunts: I don't remember, how can I check?[04:28:27] <foobaz> BlueProtoman: that GPU supports opengl 4, but only with the closed-source nvidia driver[04:28:37] *** anivemin has joined ##OpenGL[04:28:44] <souper> can anyone help em?[04:28:57] <souper> anyone here good with VBOs[04:29:06] <foobaz> BlueProtoman: look at the glxinfo output, i bet it will mention "nouveau" somewhere, that's the open source driver[04:29:35] <katlogic> souper: Quads?[04:29:41] <souper> ya[04:29:46] * katlogic didnt know that stuff still exists in opengl[04:30:11] <katlogic> i mean most hardware can render only tris; quads are almost always emulated :)[04:30:16] <foobaz> quads were removed in opengl 3.1[04:30:31] <souper> katlogic: there are extra black quads and triangles popping up[04:30:37] <foobaz> souper: look at your glDrawArrays/glDrawElements call[04:30:46] <souper> katlogic: and?[04:30:49] <katlogic> yeah, gibberish in vbo[04:31:16] <souper> katlogic: i have it open[04:31:17] <katlogic> souper: Ah, i thought you're using GL_QUADS[04:31:28] <souper> katlogic: ia m[04:31:28] <BlueProtoman> foobaz, Hunts: Oh, right. See, I'm not actually just using a nVidia, I'm actually using Optimus. Got the nVidia (the nice GPU) and an Intel HD 5000 (the cheap GPU). The nice one supports OpenGL 4, the cheap one OpenGL 3. Huh.[04:31:37] <katlogic> souper: Well, use GL_TRIANGLES then :>[04:31:51] <souper> katlogic: i was thinking about that[04:32:00] <souper> katlogic: what are the differences[04:32:15] <katlogic> i mean if youre getting gibberish all of sudden with different driver[04:32:21] <foobaz> BlueProtoman: optimus doesn't work well on linux, it's possible you're only using intel graphics, and not using the geforce at all[04:32:24] <katlogic> could be also like 100 different things[04:32:24] *** doboo has quit IRC[04:32:41] <katlogic> gibberish is like the most common "bug" :)[04:33:00] <BlueProtoman> foobaz: Actually, I have Bumblebee installed. I ran "glxinfo" the first time without it, then I realized I had Bumblebee, then ran "optirun glxinfo".[04:33:03] <souper> katlogic: im switching to triagles this might take a while[04:33:04] <katlogic> usually you restrict vbo only to few elements to repro[04:33:22] <katlogic> ie try render single quad, then two[04:33:30] <katlogic> if that works, its just your mesh messed up most likely[04:33:38] <foobaz> souper: don't use GL_QUADS, it is only there for backwards compatibility, and it does not exist on many platforms[04:33:41] *** doboo has joined ##OpenGL[04:33:44] *** anivemin has quit IRC[04:34:03] <katlogic> what foobaz said, i'd not be surprised at all if it was quads emulation borked[04:34:19] <souper> foobaz: ya, I switched it to triangles, there is only one gibberish triangle now[04:34:33] <souper> foobaz: probably because the vertices are still set for quads[04:34:40] <foobaz> either the data in your VBO is wrong, or your call to glDrawArrays/glDrawElements is wrong[04:35:05] <souper> foobaz: what could be wrong about the glDrawArrays call?[04:35:14] <katlogic> souper: um, the vbo are usually *very* different for quads/tris[04:35:17] <foobaz> try reading the data back from the VBO, with glMapBufferRange, and look at it to see if it is valid[04:35:32] <foobaz> souper: you could be telling it to render more vertexes than it has in the VBO[04:35:39] <katlogic> its not that simple as just switching the GL_ argument :)[04:35:45] *** doboo has quit IRC[04:35:48] <souper> katlogic: no, when I do that the game would crash[04:35:59] <katlogic> well, obviously[04:36:05] <katlogic> for tris you need more vertices :)[04:36:20] <foobaz> you can usually change GL_QUAD_STRIP to GL_TRIANGLE_STRIP without changing the VBO contents[04:36:26] <souper> katlogic: I am switching the vertices to triangles[04:37:21] <katlogic> anyhow, driver bugs tend to be more subtle than outright rendering errors, or even attr binding[04:37:38] <katlogic> ati drivers used to be *that* buggy like 5 years ago, its not that bad these days :)[04:37:58] <foobaz> BlueProtoman: are you using the nouveau or nvidia driver?[04:38:21] <BlueProtoman> foobaz: nVidia[04:39:32] <foobaz> i don't know what's wrong, maybe with optimus you're limited to the functionality both GPUs have in common[04:39:52] <souper> katlogic: there is still gibberish, when I put two triangles together to make a squaree[04:41:53] <souper> foobaz: there still was a little bitt of gibbersih[04:42:05] *** vukcrni has quit IRC[04:42:06] <souper> foobaz: i literally have no idea why it is there[04:42:10] <foobaz> what are you passing for the "count" parameter of glDrawArrays/glDrawElements?[04:42:28] <BlueProtoman> foobaz: I never said anything was wrong. I was just curious trying to figure out what version of OpenGL I had. glxinfo tells me, when run with optimus, that I have OpenGL 4. Without it, it tells me I have OpenGL 3.[04:42:36] <katlogic> souper: if you get garbage with just single quad (ie drawing only 6 vertices in drawarrays), then something is seriously wrong, yeah.[04:42:43] *** qeed has quit IRC[04:42:44] <foobaz> BlueProtoman: oh ok, glad it works :)[04:42:54] <souper> katlogic: not with one, but if I had others it would[04:43:07] <souper> katlogic: what causes the garbage[04:43:08] <katlogic> souper: then you're just outputting garbage mesh[04:43:48] <katlogic> also might be more subtle if you're using indices[04:44:02] <katlogic> there were some weird bugs in that iirc[04:44:07] <souper> yea[04:44:13] <souper> i might be using them i dont know ima n00b[04:44:16] <katlogic> when complex attr binding is used[04:44:23] *** vukcrni has joined ##OpenGL[04:44:26] <foobaz> souper: what are you passing for the "count" parameter of glDrawArrays/glDrawElements?[04:44:30] <katlogic> souper: i kinda figured you're fiddling with code of somebody else[04:44:44] *** Madsy has joined ##OpenGL[04:44:46] <souper> katlogic: sortof, its mostly mine[04:44:53] <katlogic> souper: perhaps you want to get acquainted with opengl first. otherwise you're stuck with trial/error until it works :)[04:45:14] <souper> foobaz: the count goes up as I add each vertices[04:45:25] * katlogic learned c by trial error some horrible .WAD render in the 90s[04:46:38] *** HuntsMan2 has joined ##OpenGL[04:46:47] *** CainJacobi has joined ##OpenGL[04:48:58] *** staylor has joined ##OpenGL[04:50:42] <souper> foobaz: thanks, its workin now no gibberish[04:50:49] *** Hunts has quit IRC[04:50:53] <souper> katlogic:thanks nothing wrong gion on now[04:55:10] *** souper has quit IRC[04:55:12] *** Madsy has quit IRC[04:56:45] *** CapsAdmin has quit IRC[04:57:09] *** karswell` has quit IRC[04:57:51] *** DolpheenDream has quit IRC[04:57:55] *** CapsAdmin has joined ##OpenGL[04:59:22] *** Rex357 has joined ##OpenGL[05:05:48] *** meoblast001 has quit IRC[05:10:49] *** urraka has quit IRC[05:12:02] *** sasoo7 has joined ##OpenGL[05:12:16] *** BlueProtoman has quit IRC[05:13:07] *** Xark_ has quit IRC[05:14:19] *** nuuuke has joined ##OpenGL[05:14:32] <nuuuke> hey folks, is anyone here experienced with Linear blend skinning?[05:15:02] *** konom has quit IRC[05:16:02] *** jdolan has joined ##OpenGL[05:16:13] *** Xark has joined ##OpenGL[05:16:29] *** CapsAdmine has joined ##OpenGL[05:17:11] *** konom has joined ##OpenGL[05:17:43] *** CapsAdmin has quit IRC[05:20:42] *** jdolan has quit IRC[05:21:22] <Dom_> nuuuke: EWWW linear[05:21:55] <Dom_> nuuuke: don't you just interpoliate between keyframes?[05:22:29] <nuuuke> part of an assignment[05:22:34] <nuuuke> we have to use glut and opengl 2.2 as well[05:22:36] <nuuuke> its painful[05:22:53] *** anivemin has joined ##OpenGL[05:23:02] <nuuuke> i am SO CLOSE to gettting my LBS to work[05:23:12] <nuuuke> http://i.imgur.com/gyPktvw.png[05:23:24] <nuuuke> something is interfering[05:25:02] <nuuuke> i am multiplying by the wrong matrix or something[05:25:47] <Dom_> looks downsie[05:26:23] <nuuuke> "Kill me...." - That mesh[05:26:43] *** Grimshaw has quit IRC[05:26:44] <nuuuke> can anyone peep my code and give insight? It's fairly understandable[05:26:45] <Dom_> you sure it doesn't have an extra chromosome?[05:26:49] <Dom_> sure[05:27:51] *** sasoo7 has quit IRC[05:28:12] *** anivemin has quit IRC[05:28:29] <nuuuke> http://pastebin.com/zFA6ekCJ[05:28:56] <nuuuke> those are the relevant functions, updateMesh is called whenever updateJointTransforms is called[05:30:46] *** sasoo7 has joined ##OpenGL[05:34:51] *** sasoo7 has quit IRC[05:36:53] *** Zeioth has quit IRC[05:37:47] <Dom_> nuuuke: are you inversing your root node transformation matrix?[05:38:01] *** sasoo7 has joined ##OpenGL[05:44:06] <Dom_> nuuuke: also what is your up vector?[05:44:36] <nuuuke> 010 would be up i think[05:44:42] <Dom_> kk[05:45:12] <Dom_> and the model is done in the same way[05:47:18] <nuuuke> i think so. i've been looking at this code all day and i'm slowly losing my mind[05:47:42] <Dom_> when you import the exported model back into the modelling problem does it look correct[05:47:50] <Dom_> program*[05:48:14] <nuuuke> i will test[05:48:34] <nuuuke> if i replace joints[j].global with joints[j].p on like 11, the result is almost the same[05:49:01] <nuuuke> except with joints[j].p the head will rotate at a larger diameter around what i believe is the origin[05:49:32] <Dom_> are you trans, rot, scale in the right order?[05:49:44] <nuuuke> i am pretty sure[05:49:45] <Dom_> have you scaled the model at all?[05:49:54] <Dom_> are you using shaders?[05:49:57] <nuuuke> i can give you the program and you could run it yourself and play with the joints[05:50:12] <nuuuke> i dont think it's being scaled[05:50:13] <Dom_> im at work and only have ubuntu 10.04 lts and osx[05:50:16] <nuuuke> ah[05:50:53] <Dom_> send me the model i can have a look at it[05:51:28] <Dom_> what is .global and .p[05:51:30] <slime> Dom_: 10.04 on a desktop? support ended for that OS a year and a half ago[05:51:51] <Dom_> slime: tell my boss i want 12.x[05:52:07] <Dom_> i even got everything building on it and everything[05:52:15] <Stragus> Some Ubuntu users stick to old versions to avoid Unity[05:52:30] <Dom_> Stragus: jsut install a different DM[05:52:38] <slime> Dom_: 12? why not 14 LTS? :p[05:52:44] <Stragus> Sure. I'm just saying I know such Ubuntu users[05:52:48] <Dom_> slime: baby steps, man[05:52:55] <nuuuke> Dom_ .global is the parent's global joint position multiplied by the child joint's transform[05:52:58] <slime> heh[05:53:05] <nuuuke> the root joint is an identity matrix[05:53:28] <Dom_> nuuuke: in what space? world or local?[05:53:52] <nuuuke> local[05:53:57] <nuuuke> i think[05:54:22] <Dom_> so i there was no transform it would be 0, 0, 0[05:54:55] <Dom_> slime: I don't think our build server runs on 12 or something? idk there are excuses[05:55:24] <nuuuke> i think. i wish i could be mor ehelpful but to be honest im strugglign to understand most of my solution as it is, the codebase isn't mine[05:55:33] <nuuuke> it was given and we have to implement a bunch of stuff with it[05:56:40] <Dom_> nuuuke: yeah uni assignments or w/e can be ass like that. Usually because the prof.'s coding style is from the 1980s[05:57:40] <Dom_> honestly I havent done skeletal animation, but am meaning too.[05:59:29] <Dom_> im goingt o lunch but if you could provide the code you're working on I will give it try this afternoon since i have nothing to do.[05:59:45] <nuuuke> yeah one sec[06:01:11] *** RyanPridgeon has quit IRC[06:04:32] *** carvite has quit IRC[06:06:33] *** carvite has joined ##OpenGL[06:07:43] <nuuuke> http://www.mediafire.com/download/bi4oa4q85e4e0bm/meshdeform.zip[06:07:57] <nuuuke> there ya go[06:08:12] <nuuuke> if you cant figure it out no problem lol[06:09:12] *** shingshang has joined ##OpenGL[06:12:08] *** xissburg has quit IRC[06:12:25] *** xissburg_ has joined ##OpenGL[06:17:01] *** jdolan has joined ##OpenGL[06:21:02] *** staylor has quit IRC[06:21:21] *** sasoo7 has quit IRC[06:22:06] <nuuuke> https://38.media.tumblr.com/4b93e92309d58061517f6a1be9040967/tumblr_n8w13luuuo1r5gow3o1_400.gif[06:22:17] *** jdolan has quit IRC[06:22:31] *** glYoda has quit IRC[06:22:42] *** glYoda has joined ##OpenGL[06:23:32] *** stupidpioneers has quit IRC[06:24:27] *** stupidpioneers has joined ##OpenGL[06:26:41] *** mat^2 has joined ##OpenGL[06:28:56] *** zajfy has joined ##OpenGL[06:30:06] *** xissburg_ has quit IRC[06:32:22] *** kedgen has quit IRC[06:37:40] *** fatalhalt has joined ##OpenGL[06:40:36] *** CapsAdmine has quit IRC[06:42:09] *** CapsAdmin has joined ##OpenGL[06:42:17] *** shintah has joined ##OpenGL[06:44:21] *** mat^2 has quit IRC[06:49:27] *** crankslider has joined ##OpenGL[06:59:22] *** kidnapped_robot has quit IRC[07:01:32] *** tz has quit IRC[07:02:18] *** tz has joined ##OpenGL[07:10:04] *** Madsy has joined ##OpenGL[07:10:04] *** Madsy has joined ##OpenGL[07:11:11] *** anivemin has joined ##OpenGL[07:11:56] *** linuxuz3r has quit IRC[07:12:07] *** confusa-est has quit IRC[07:15:37] *** anivemin has quit IRC[07:20:23] *** dmlloyd has quit IRC[07:20:45] *** Madsy has quit IRC[07:20:49] *** dmlloyd has joined ##OpenGL[07:22:01] *** Gamecubic has quit IRC[07:25:24] *** Waynes has joined ##OpenGL[07:25:36] *** bjz has quit IRC[07:27:19] *** CainJacobi has quit IRC[07:28:39] *** bjz has joined ##OpenGL[07:29:27] *** Zupo has joined ##OpenGL[07:30:08] *** confusa-est has joined ##OpenGL[07:31:42] *** virgilivs has quit IRC[07:32:34] *** jdolan has joined ##OpenGL[07:36:59] *** kedgen has joined ##OpenGL[07:37:35] *** bjz_ has joined ##OpenGL[07:37:49] *** foreignFunction has joined ##OpenGL[07:38:55] *** groton has joined ##OpenGL[07:39:03] *** fatalhalt has quit IRC[07:40:42] *** bjz has quit IRC[07:43:29] *** kedgen has quit IRC[07:44:12] *** Garner has joined ##OpenGL[07:45:57] *** Twinklebear has quit IRC[07:47:29] *** jdolan has quit IRC[07:47:55] *** jdolan has joined ##OpenGL[07:50:05] *** tcsc has quit IRC[07:50:15] *** frivolous__- has joined ##OpenGL[07:51:24] *** stoopdapoop is now known as badbooty[07:51:38] *** badbooty is now known as stoopdapoop[07:52:25] *** jdolan has quit IRC[07:55:04] *** puerum has quit IRC[07:55:46] *** SleekoNiko has quit IRC[08:00:51] *** Zupo2 has joined ##OpenGL[08:01:07] *** Zupo3 has joined ##OpenGL[08:03:37] *** Zupo has quit IRC[08:04:29] *** Burga has quit IRC[08:05:22] *** anivemin has joined ##OpenGL[08:05:53] *** Zupo2 has quit IRC[08:08:05] *** nuuuke has quit IRC[08:09:53] *** anivemin has quit IRC[08:13:21] *** groton has quit IRC[08:14:25] *** Tarbl has joined ##OpenGL[08:20:21] *** clauswitt has joined ##OpenGL[08:22:03] *** Rex357 has quit IRC[08:24:29] <Tarbl> So I'm reading http://mynameismjp.wordpress.com/2010/09/05/position-from-depth-3/ and I'm a little confused as to how he is normalizing the viewspace depth.[08:24:50] *** groton has joined ##OpenGL[08:25:04] *** amizraa has quit IRC[08:25:14] *** clauswit_ has joined ##OpenGL[08:25:26] <Tarbl> In the article the code is just dividing the z component of the view space coord by the distance to the farplane, but isn't the correct method (depth - nearZ) / (farZ - nearZ)?[08:25:47] *** Ange_blond_ has joined ##OpenGL[08:26:30] *** Madsy has joined ##OpenGL[08:26:35] *** amizraa has joined ##OpenGL[08:27:02] *** clauswitt has quit IRC[08:32:51] *** CapsAdmin has quit IRC[08:33:36] *** kuldeepdhaka has joined ##OpenGL[08:33:41] *** CapsAdmin has joined ##OpenGL[08:35:12] *** Madsy has quit IRC[08:35:43] *** SleekoNiko has joined ##OpenGL[08:35:55] <Bloodust> http://www.geeks3d.com/20091216/geexlab-how-to-visualize-the-depth-buffer-in-glsl/[08:40:40] <Tarbl> Bloodust: So if I did use 1 / z instead of z, wouldn't that prevent me from using a view ray to reconstruct the eyespace position?[08:44:23] *** Folkol has joined ##OpenGL[08:44:58] <Tarbl> Also using that equation gets me really wonky results when using a near of 20 and a far of 2000. Unless values near e^-5 should be correct?[08:46:18] <Bloodust> has worked for me pretty well[08:46:30] <Tarbl> How/What are you using it for?[08:46:32] <Bloodust> Im not sure about the view ray reconstruction[08:46:40] <Bloodust> just for visualization[08:47:08] <Bloodust> everything else works with raw values[08:47:11] *** groton has quit IRC[08:49:14] *** Hadrien has joined ##OpenGL[08:50:19] *** giucam has quit IRC[08:50:19] *** giucam has joined ##OpenGL[08:50:20] <ikarus_> Tarbl: there is a bunch of misunderstandings about it and in many cases a slightly wrong Z won't cause any visible abnormalities[08:50:48] <Tarbl> My issue is that if I just use raw values, the numbers don't end up matching together. Constructing a view ray from the inverse of the projection matrix, then multiplying it with the depth I'm reading from a texture and then multiplying with the projection matrix again results in values outside of [-1,1][08:51:57] <Bloodust> multiplying with depth doesnt sound right to me[08:52:26] <Tarbl> ikarus_: What's the acceptible range for the error? I'm using this for SSAO. If I feed in something like.. [-1, 1, -1, 1] I end up with something like [-1.1, 1.4, -1.02, 1] which seems very off.[08:52:45] <ikarus_> Tarbl: for SSAO, I've seen enough people use that amount of error....[08:53:02] <Tarbl> Bloodust: the depth multiplication is what's described in http://mynameismjp.wordpress.com/2010/09/05/position-from-depth-3/ . It seems to make sense from a distance.[08:53:30] <ikarus_> Tarbl: I[08:53:43] <ikarus_> 'd recommend drawing out the 2D if you want to actually validate it :)[08:53:44] <Tarbl> ikarus_: I don't want to sound inconsiderate of help, but if I'm going to do it I'd rather to it right and not ~kinda maybe right.[08:53:51] <Bloodust> and you dont even need linear depth for position reconstruction[08:53:57] <ikarus_> Tarbl: kinda right can be computationally cheaper[08:53:57] <Dom_> ahhh someone else trying to follow john chapmans ssao?[08:54:01] *** gareppa has joined ##OpenGL[08:54:04] <Tarbl> Dom_: Yea[08:54:09] <Bloodust> let me find you my code[08:54:28] <Dom_> Tarbl: i couldn't get it to work and went with a way shitter looking one[08:54:28] <ikarus_> I have totally wonky buffers so my SSAO code won't work for you :)[08:54:38] <Tarbl> Bloodust: Doesn't that require an extra matrix mult in the fragment shader if you don't use Linear depth?[08:54:55] <Dom_> on this topic[08:55:01] <Bloodust> maybe, but its not that expensive[08:55:03] <ikarus_> I actually totally ignored all practices with OpenGL fixed pipeline, which has some advantages[08:55:11] <ikarus_> but it also means my code is "odd"[08:55:20] <Dom_> whats the difference betweeen the depth buffer and position.z?[08:55:39] <Tarbl> ikarus_: I stay as far from the fixed pipeline as I can. I don't write for below 3.3 (except WebGL :( )[08:55:47] <Bloodust> http://codepad.org/qAF6KopX[08:55:53] <ikarus_> Tarbl: sure, but people use practices from the fixed pipeline[08:55:54] <Bloodust> inverse mvp is actually inverse MV[08:56:12] *** damir__ has joined ##OpenGL[08:56:30] *** gareppa has quit IRC[08:58:06] <Tarbl> I may just do what you've done Bloodust . It's the straightforward method but also something that clearly works. That said *any* fragment op becomes expensive at 2880 x 1800 so I've been trying to stay away from anything that uses a lot of flops or fillrate.[08:59:00] *** neure has joined ##OpenGL[08:59:44] *** anivemin has joined ##OpenGL[09:02:32] <Bloodust> sure[09:02:33] <Dom_> isn't HBAO actually faster then SSAO?[09:02:57] *** giucam has quit IRC[09:04:00] *** anivemin has quit IRC[09:04:41] <ikarus_> Dom_: HBAO is a form of SSAO[09:06:01] <Dom_> true[09:06:51] *** Rex357 has joined ##OpenGL[09:07:53] *** giucam has joined ##OpenGL[09:08:28] *** giucam has joined ##OpenGL[09:10:12] <ikarus_> Dom_: also appaerently HBAO is only as fast as "traditional" SSAO if done at half-res[09:10:57] *** Rex357 has quit IRC[09:14:32] *** mat^2 has joined ##OpenGL[09:15:35] *** nug700 has joined ##OpenGL[09:16:34] *** kuldeepdhaka has quit IRC[09:17:15] <ikarus_> Tarbl: btw, if you are concerned about pixel throughput, SSAO already is a soft effect, so indeed doing it at half-res and adjusting the blur accordingly usually doesn't hurt at all[09:17:31] *** Jeanne-Kamikaze has joined ##OpenGL[09:18:27] *** pazul has joined ##OpenGL[09:19:36] <Tarbl> ikarus_: That's good to know, I know that the blur tends to be rather expensive as well bandwidth wise if you go with a bilateral.[09:20:00] <ikarus_> Tarbl: the final blur can be a decomposed gaussian[09:20:23] <ikarus_> which is such a standard case that GPUs tend to be lightning fast as it[09:20:25] <Tarbl> ikarus_: Doesn't that result in edge bleeding? Or can it be ignored?[09:20:49] *** chainedchaos31 has quit IRC[09:21:00] <ikarus_> Tarbl: SSAO tends to be so soft that it doesn't give any visual degredation[09:21:05] <Tarbl> http://4.bp.blogspot.com/-pwvhOLS2ktc/Utec5ohDKhI/AAAAAAAAAFE/B8Cl6mgiASc/s1600/Blur.gif is always the 'horror' image.[09:21:28] *** japro has joined ##OpenGL[09:21:34] *** Beetny has joined ##OpenGL[09:21:57] <ikarus_> Tarbl: that looks like a block filter, not a gaussian[09:22:34] <Bloodust> yeah bilateral <3[09:22:39] <ikarus_> also if your scenes do cause issues, you can use depth biassed blurs, but those decompose[09:22:44] <Bloodust> I dont even know what it means but its great[09:22:53] *** ghenriks has quit IRC[09:23:18] <Tarbl> ikarus_: Ah, I wasn't aware you could decompose a depth aware blur.[09:23:39] <ikarus_> Tarbl: you can't, but you can approximate a decomposition[09:23:44] *** ghenriks has joined ##OpenGL[09:25:49] <ikarus_> another thing I've done before was to do a seperate depth-aware mixing pass, which when something was "obviously" in front would not add in the blur[09:25:58] <ikarus_> but that one causes some other artifacts[09:26:04] <ikarus_> and doesn't deal well with multiple ridges[09:26:09] *** Hadrien has quit IRC[09:26:13] *** pazul has quit IRC[09:30:05] <ikarus_> it's all tradeoffs until we can finally raytrace and do photon mapping[09:38:06] *** sys2064 has joined ##OpenGL[09:38:23] *** pazul has joined ##OpenGL[09:38:36] <Tarbl> oooohhh.... If I'm manually packing values I can't use hardware interp... That's annoying.[09:40:23] *** kedgen has joined ##OpenGL[09:41:35] *** kuldeepdhaka has joined ##OpenGL[09:42:51] *** CapsAdmin has quit IRC[09:43:30] *** CapsAdmin has joined ##OpenGL[09:45:20] *** kedgen has quit IRC[09:46:41] <ikarus_> Tarbl: why are you still packing variables ? instead of using appropriate framebuffers[09:46:49] <ikarus_> very few accepted FBs are actually slow on modern HW[09:47:00] <ikarus_> the only issue is GLSL I guess[09:47:06] <ikarus_> but people tend to throw so much precision out :([09:49:31] <Tarbl> ikarus_: WebGL mainly. I don't have linear filtering support for floating point texture formats[09:49:42] <ikarus_> aaah, jikes[09:49:50] <ikarus_> WebGL packing is nasty because of no bitops[09:50:09] <ikarus_> oh and no integer access to textures[09:52:06] <Tarbl> And no texture types other than float and uint8. That's the real pain[09:52:25] <Tarbl> Oh! and only RGB and RGBA texture formats are renderable.[09:52:46] <ikarus_> Tarbl: the main result is that any form of packing either needs excess bits, or throws out precision[09:52:55] <Tarbl> If I could have a single channel 16bit render target I wouldn't need to pack depth.[09:53:35] *** roboman2444 has quit IRC[09:53:42] *** anivemin has joined ##OpenGL[09:53:57] *** roboman2444 has joined ##OpenGL[09:55:56] *** chainedchaos31 has joined ##OpenGL[09:58:38] *** anivemin has quit IRC[09:59:15] *** mat^2 has quit IRC[09:59:36] <ikarus_> Tarbl: well, lets hope the future is in Tegra K1 like chips[10:00:03] *** Hadrien has joined ##OpenGL[10:00:08] *** HaltingState has quit IRC[10:03:17] <Tarbl> ikarus_: If I recall the Tegra K1 supports up to OpenGL 4.0. I'm sure browser support will still hold back WebGL for another 3-4 years.[10:03:34] *** MLM has quit IRC[10:03:48] *** clauswit_ has quit IRC[10:04:02] <ikarus_> Tarbl: the HW supports up to 4.4 the drivers just aren't quite finished[10:04:10] <ikarus_> according to my contacts at Nvidia outside of NDA[10:05:40] *** agorecki has quit IRC[10:07:47] *** Khlorghaal has quit IRC[10:09:30] *** karab44 has joined ##OpenGL[10:12:02] *** frivolous__- has quit IRC[10:13:36] *** Rex357 has joined ##OpenGL[10:14:07] *** HaltingState has joined ##OpenGL[10:15:10] *** Jack_ has joined ##OpenGL[10:16:51] *** ikrima has joined ##OpenGL[10:17:17] *** Lemml has joined ##OpenGL[10:18:10] *** Zupo3 has quit IRC[10:18:54] *** Tarbl has quit IRC[10:20:59] *** robot-beethoven has quit IRC[10:21:41] *** ikrima has quit IRC[10:21:42] *** karab44 has quit IRC[10:25:03] *** karab44 has joined ##OpenGL[10:26:22] *** clauswitt has joined ##OpenGL[10:30:06] *** hexagoxel has joined ##OpenGL[10:30:54] *** Garner has quit IRC[10:31:29] *** james4k has quit IRC[10:35:42] *** karab44 has quit IRC[10:36:44] *** Garner has joined ##OpenGL[10:38:06] *** Dark_Confidant has joined ##OpenGL[10:38:24] *** anivemin has joined ##OpenGL[10:42:10] *** zerotech has joined ##OpenGL[10:44:44] *** Tarbl has joined ##OpenGL[10:46:49] *** Madsy has joined ##OpenGL[10:49:16] *** karab44 has joined ##OpenGL[10:49:22] *** Tarbl has quit IRC[10:54:31] <dawik> am i correct in thinking i can somehow transform a window coordinate (from mouse for example) to world coordinates with the inverse mvp?[10:55:22] *** Madsy has quit IRC[10:57:22] <Bloodust> yes[10:57:36] *** CapsAdmine has joined ##OpenGL[10:58:21] <Bloodust> we were discussing about this just an hour ago[10:59:09] *** CapsAdmin has quit IRC[11:03:26] <Bloodust> dawik for example, if you need to reconstruct world position from window coordinate and depth, you can do it with this code http://codepad.org/qAF6KopX[11:03:46] <Bloodust> and if you're missing depth, you can create a ray from depth -1 to +1[11:06:10] *** nug700 has quit IRC[11:09:41] *** Tarbl has joined ##OpenGL[11:13:08] *** hexagoxel has quit IRC[11:14:23] *** Tarbl has quit IRC[11:22:38] *** karab44 has quit IRC[11:22:59] *** karab44 has joined ##OpenGL[11:27:21] *** karab44 has quit IRC[11:28:57] *** roxlu has quit IRC[11:29:47] *** neure has quit IRC[11:30:15] *** kedgen has joined ##OpenGL[11:36:44] *** Crehl has joined ##OpenGL[11:37:23] *** crankslider has quit IRC[11:38:34] *** karab44 has joined ##OpenGL[11:39:03] *** CapsAdmine has quit IRC[11:43:07] *** CapsAdmin has joined ##OpenGL[11:45:06] *** bbsha_000 has joined ##OpenGL[11:46:16] *** Rex357 has quit IRC[11:46:37] *** karab44 has quit IRC[11:46:44] *** Tarbl has joined ##OpenGL[11:46:58] *** karab44 has joined ##OpenGL[11:47:19] *** RyanPridgeon has joined ##OpenGL[11:50:38] *** CapsAdmin has quit IRC[11:52:28] *** CapsAdmin has joined ##OpenGL[11:52:45] *** Tarbl has quit IRC[11:56:00] *** centrinia has quit IRC[11:56:48] *** karab44 has quit IRC[11:57:13] *** karab44 has joined ##OpenGL[11:58:54] *** clauswitt has quit IRC[11:59:23] *** moser has quit IRC[12:02:17] <dawik> Bloodust: thanks for the reply =) sorry for not responding, had to go off to a meeting[12:06:41] *** ablepharus has joined ##OpenGL[12:09:19] <dawik> Bloodust: nice snippet, shall try it. im wondering, why is the coordinate named tex_coord?[12:09:47] <Bloodust> I use it for full screen postprocessing[12:10:09] <Bloodust> so I use the tex coord to sample the FBO texture[12:10:21] <Bloodust> it ranges from 0 to 1[12:10:21] <dawik> ohh ok[12:10:52] *** karab44 has quit IRC[12:12:09] *** Madsy has joined ##OpenGL[12:12:39] *** Madsy has quit IRC[12:13:56] *** Crehl has quit IRC[12:15:58] *** moser has joined ##OpenGL[12:21:12] *** Zupo has joined ##OpenGL[12:24:32] *** zerotech has quit IRC[12:29:19] *** zerotech has joined ##OpenGL[12:31:26] *** Ryp has joined ##OpenGL[12:32:21] *** gareppa has joined ##OpenGL[12:35:42] *** Zupo has quit IRC[12:36:12] *** juanmabc has joined ##OpenGL[12:36:24] *** Zupo has joined ##OpenGL[12:40:36] *** juanmabc is now known as ZeroKool[12:43:41] *** CapsAdmine has joined ##OpenGL[12:45:27] *** CapsAdmin has quit IRC[12:46:06] *** mat^2 has joined ##OpenGL[12:49:17] *** Tarbl has joined ##OpenGL[12:49:38] *** zerotech has quit IRC[12:51:35] *** CapsAdmine has quit IRC[12:51:43] *** zerotech has joined ##OpenGL[12:54:06] *** Tarbl has quit IRC[12:56:49] *** Serus|Sleep is now known as Serus[12:57:41] *** clauswitt has joined ##OpenGL[12:59:32] *** CapsAdmin has joined ##OpenGL[12:59:56] *** snakenerd has joined ##OpenGL[13:04:57] *** petervaro has joined ##OpenGL[13:06:20] *** snakenerd has quit IRC[13:10:32] *** Dave13h has quit IRC[13:12:39] <dawik> Bloodust: so the window coordinates would be between 0 to -1? basically native device coordinates?[13:12:46] <dawik> err, -1 to 1[13:15:25] *** paper_ has joined ##OpenGL[13:19:02] *** Jeanne-Kamikaze has quit IRC[13:19:35] *** Dave13h has joined ##OpenGL[13:20:33] *** CapsAdmin has quit IRC[13:22:17] *** CapsAdmin has joined ##OpenGL[13:25:50] *** sys2064 has quit IRC[13:26:40] *** matpow2 has joined ##OpenGL[13:27:01] *** mat^2 has quit IRC[13:28:54] *** gareppa has quit IRC[13:29:46] *** BitPuffin has joined ##OpenGL[13:33:24] *** ZeroKool has quit IRC[13:33:40] *** karab44 has joined ##OpenGL[13:33:56] *** Gamecubic has joined ##OpenGL[13:39:09] *** kuldeepdhaka has quit IRC[13:46:53] *** hexagoxel has joined ##OpenGL[13:49:40] *** petervaro has quit IRC[13:50:05] *** Tarbl has joined ##OpenGL[13:52:01] *** petervaro has joined ##OpenGL[13:52:09] *** Dudi has joined ##OpenGL[13:52:30] <Dudi> hi guys, can I ask question about shader program here?[13:53:06] <HuntsMan2> yes[13:54:52] *** Tarbl has quit IRC[13:56:19] <Dudi> ok, in AndEngine you have to deliver FragmentProgram in string. This (http://www.sourcedrop.net/Nikbebd522611) is my program to turn img to gray scale[13:56:32] *** kuldeepdhaka has joined ##OpenGL[13:57:57] <Dudi> my question is on what function I should change dot function to create program that will set grayscale to img base on passed percent[13:58:51] <HuntsMan2> based on a percent?[14:00:23] <Dudi> this is how I try to do this http://www.sourcedrop.net/qM2becc77b721[14:02:02] <Dudi> HuntsMan2 if I pass 1f it will be full grayish if 0f then will be colored[14:02:46] <HuntsMan2> well for that you need to blend (using the mix function) between the color and the grayscale color[14:04:13] *** anivemin has quit IRC[14:05:29] *** Dudi_ has joined ##OpenGL[14:06:54] *** Dudi has quit IRC[14:08:06] <Dudi_> HuntsMan2 I'm looking on this site http://www.shaderific.com/glsl-functions/ and vec3 mix(vec3 x, vec3 y, vec3 a) what is vec3 a ?[14:08:29] <HuntsMan2> the weights, but there is also mix(vec3, vec3, float)[14:08:50] <Dudi_> so this float a shoud be my percent?[14:08:57] <HuntsMan2> yea[14:09:12] *** paper_ has quit IRC[14:09:52] *** Kane has joined ##OpenGL[14:11:50] <Dudi_> mix(base_color,grayish_color,percent) right?[14:12:36] <HuntsMan2> yes[14:12:41] <HuntsMan2> and that returns a vec3[14:13:09] <Dudi_> nice:D so then result to gl_FragColor :)[14:13:54] <HuntsMan2> to gl_FragColor.xyz[14:13:58] <HuntsMan2> and then set gl_FragColor.a[14:15:55] *** Beetny has quit IRC[14:20:41] <Dudi_> GREAT! It's working :D[14:20:48] <Dudi_> thanks :)[14:23:01] *** CapsAdmin has quit IRC[14:26:33] *** CapsAdmin has joined ##OpenGL[14:30:57] *** matpow2 has quit IRC[14:33:50] *** mat^2 has joined ##OpenGL[14:34:41] *** zerotech has quit IRC[14:34:46] *** kedgen has quit IRC[14:35:04] *** anivemin has joined ##OpenGL[14:35:31] *** tehrain has joined ##OpenGL[14:35:31] *** tehrain has joined ##OpenGL[14:36:43] *** urraka has joined ##OpenGL[14:39:18] *** anivemin has quit IRC[14:43:08] *** CapsAdmin has quit IRC[14:44:22] *** japro has quit IRC[14:44:46] *** CapsAdmin has joined ##OpenGL[14:45:14] *** kuldeepdhaka has quit IRC[14:47:55] *** paperManu has joined ##OpenGL[14:50:42] *** mat^2 has quit IRC[14:50:49] *** Tarbl has joined ##OpenGL[14:51:01] *** e2718 has joined ##OpenGL[14:52:20] *** karab44 has quit IRC[14:52:40] *** karab44 has joined ##OpenGL[14:53:33] *** mat^2 has joined ##OpenGL[14:53:57] *** foreignFunction has quit IRC[14:54:05] *** karab44 has quit IRC[14:54:33] *** karab44 has joined ##OpenGL[14:55:09] *** paperManu has quit IRC[14:56:18] *** Tarbl has quit IRC[14:57:14] *** Ryp has quit IRC[14:58:48] *** karab44 has quit IRC[14:58:56] *** RyanPridgeon has quit IRC[15:02:01] *** kuldeepdhaka has joined ##OpenGL[15:02:33] *** karab44 has joined ##OpenGL[15:02:54] *** Orion] has joined ##OpenGL[15:04:14] *** mat^2 has quit IRC[15:05:57] *** Stragus has quit IRC[15:06:33] *** M_F_B has joined ##OpenGL[15:06:57] *** Zeioth has joined ##OpenGL[15:07:14] *** Stragus has joined ##OpenGL[15:08:28] *** M_F_B has quit IRC[15:09:42] *** paperManu has joined ##OpenGL[15:11:28] *** yuriks has quit IRC[15:13:53] *** karab44 has quit IRC[15:14:17] *** karab44 has joined ##OpenGL[15:16:15] *** karab44 has quit IRC[15:16:34] *** emperiz has joined ##OpenGL[15:17:38] *** mat^2 has joined ##OpenGL[15:18:08] *** DrGonzo has joined ##OpenGL[15:19:24] *** wiky has quit IRC[15:19:31] *** snakenerd has joined ##OpenGL[15:19:53] *** DrBenway has quit IRC[15:20:53] *** aaa801 has quit IRC[15:22:05] *** aaa801 has joined ##OpenGL[15:24:17] *** karab44 has joined ##OpenGL[15:24:19] *** doev has joined ##OpenGL[15:25:16] *** indefini has quit IRC[15:26:00] *** dshwang has quit IRC[15:26:29] <doev> hi. Which profile is a good choice for apps, that should runnable down to 3/4 years old hardware and easy portable to mobile devices?[15:27:31] <HuntsMan2> modern OpenGL[15:29:21] *** anivemin has joined ##OpenGL[15:29:35] <doev> modern OpenGL ... thats not a profile name, I don't understand[15:29:56] <HuntsMan2> yeah, means use core profile[15:30:02] <HuntsMan2> but core profile doesn't exist on GL ES :D[15:30:09] <HuntsMan2> so you should use functions that are common to both[15:30:18] *** ninzine has joined ##OpenGL[15:30:27] <doev> tehre are intersection profiles[15:30:30] <HuntsMan2> and that means modern GL, like only use VBOs, shaders and all stuff[15:31:02] <enleeten> use an abstract[15:31:05] <enleeten> *abstraction[15:31:37] <enleeten> something like https://github.com/bkaradzic/bgfx[15:32:31] *** hecspc has joined ##OpenGL[15:32:44] *** xissburg has joined ##OpenGL[15:33:02] *** anivemin has quit IRC[15:33:48] *** karab44 has quit IRC[15:34:30] *** karab44 has joined ##OpenGL[15:37:40] <doev> What about GL2ES2 wich is documented as ... "Interface containing the common subset of GL3, GL2 and GLES2. This interface reflects only the programmable shader functionality of desktop and embedded OpenGL"[15:38:29] *** wiky has joined ##OpenGL[15:40:14] *** MLM has joined ##OpenGL[15:40:38] <doev> sound like what HuntsMan2 called "modern OpenGL"[15:45:47] *** zerotech has joined ##OpenGL[15:48:46] *** SnakeTrailSteve has joined ##OpenGL[15:51:24] *** karab44 has quit IRC[15:51:35] *** Tarbl has joined ##OpenGL[15:56:18] *** Tarbl has quit IRC[15:57:57] <HuntsMan2> doev: that's a JOGL interface[15:58:39] <HuntsMan2> but yeah it is an example of it[15:59:31] <doev> right, I am using jogl[15:59:43] *** crankslider has joined ##OpenGL[16:00:01] *** neure has joined ##OpenGL[16:01:26] <HuntsMan2> ;)[16:02:33] *** konom has quit IRC[16:05:05] *** clauswitt has quit IRC[16:05:18] *** karab44 has joined ##OpenGL[16:06:06] *** mat^2 has quit IRC[16:07:09] *** Ad1 has joined ##OpenGL[16:07:53] *** japro has joined ##OpenGL[16:08:34] *** Zupo2 has joined ##OpenGL[16:09:09] *** mat^2 has joined 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joined ##OpenGL[18:21:45] *** san4 has joined ##OpenGL[18:22:16] *** san4 has joined ##OpenGL[18:22:45] *** roxlu has joined ##OpenGL[18:22:46] *** san4 has joined ##OpenGL[18:23:16] *** san4 has joined ##OpenGL[18:23:46] *** san4 has joined ##OpenGL[18:24:16] *** san4 has joined ##OpenGL[18:24:46] *** san4 has joined ##OpenGL[18:24:49] *** damir__ has joined ##OpenGL[18:25:16] *** san4 has joined ##OpenGL[18:25:46] *** san4 has joined ##OpenGL[18:26:16] *** san4 has joined ##OpenGL[18:26:46] *** san4 has joined ##OpenGL[18:27:18] *** san4 has joined ##OpenGL[18:27:26] *** Tarbl has joined ##OpenGL[18:27:50] *** san4 has joined ##OpenGL[18:28:22] *** san4 has joined ##OpenGL[18:28:22] *** san4 has joined ##OpenGL[18:28:52] *** san4 has joined ##OpenGL[18:28:52] *** san4 has joined ##OpenGL[18:29:46] *** san4 has joined ##OpenGL[18:30:16] *** san4 has joined ##OpenGL[18:30:46] *** san4 has joined ##OpenGL[18:31:16] *** san4 has joined ##OpenGL[18:31:42] <razieliyo> having some trouble with directional lights: https://dl.dropboxusercontent.com/u/19190625/out-19.ogv[18:31:46] *** san4 has joined ##OpenGL[18:31:57] *** kedgen has joined ##OpenGL[18:32:16] *** san4 has joined ##OpenGL[18:32:20] <razieliyo> code is there and here: http://pastebin.com/dUTyJSYp[18:32:42] <razieliyo> first of all, light dir is hardcoded as vec3 l_dir = vec3(0,0,-1);[18:32:46] *** san4 has joined ##OpenGL[18:33:08] <razieliyo> and light is coming from up, as it l_dir was vec3(0,-1,0);[18:33:16] *** hanspeter has quit IRC[18:33:16] *** san4 has joined ##OpenGL[18:33:50] *** Tarbl has quit IRC[18:33:51] *** san4 has joined ##OpenGL[18:34:13] <razieliyo> I've currently discarded positioning problems, and mat4 normalMatrix = transpose(inverse(mv)); this is supposed to be in a uniform, but now it's there for simplicity[18:34:46] *** san4 has joined ##OpenGL[18:35:16] *** san4 has joined ##OpenGL[18:35:47] *** san4 has joined ##OpenGL[18:36:07] *** b33 has quit IRC[18:36:17] *** san4 has joined ##OpenGL[18:36:26] *** kedgen has quit IRC[18:36:47] *** san4 has joined ##OpenGL[18:36:52] <razieliyo> okay, I knew it, I knew I would solve it at the time I'll desesperately post here looking for an answer...[18:37:03] <razieliyo> after a few hours trying[18:37:06] <razieliyo> !next[18:37:17] *** san4 has joined ##OpenGL[18:37:47] *** san4 has joined ##OpenGL[18:38:17] *** san4 has joined ##OpenGL[18:38:25] <razieliyo> it was a very dumb mistake when setting normals, coords switching =/[18:38:30] <razieliyo> gl, sometimes I hate you[18:38:41] *** Tarbl has joined ##OpenGL[18:38:47] *** san4 has joined ##OpenGL[18:39:17] *** san4 has joined ##OpenGL[18:39:47] *** san4 has joined ##OpenGL[18:40:17] *** san4 has joined ##OpenGL[18:40:47] *** san4 has joined ##OpenGL[18:41:02] *** Ange_blond_ has quit IRC[18:41:17] *** san4 has joined ##OpenGL[18:41:47] *** san4 has joined ##OpenGL[18:42:17] *** san4 has joined ##OpenGL[18:42:51] *** san4 has joined ##OpenGL[18:43:04] *** sedeki has 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anivemin has joined ##OpenGL[20:22:46] *** damir__ has quit IRC[20:26:30] *** anivemin has quit IRC[20:28:09] *** Waynes1 has quit IRC[20:31:14] *** james4k has joined ##OpenGL[20:34:06] *** jorj has quit IRC[20:34:13] *** mat^2 has joined ##OpenGL[20:40:00] *** bove has quit IRC[20:42:06] *** RyanPridgeon has joined ##OpenGL[20:43:53] *** bove has joined ##OpenGL[20:45:14] *** lasserix has joined ##OpenGL[20:55:09] *** CainJacobi has joined ##OpenGL[20:55:29] *** ocharles has quit IRC[20:57:53] *** ocharles has joined ##OpenGL[20:58:17] *** ocharles is now known as Guest71229[20:58:30] *** Guest71229 has quit IRC[20:58:30] *** Guest71229 has joined ##OpenGL[20:58:33] *** Guest71229 is now known as ocharles_[20:58:45] *** sedeki has joined ##OpenGL[21:00:45] *** Syzygy_ has joined ##OpenGL[21:04:12] *** damir__ has joined ##OpenGL[21:04:55] *** zoraj has quit IRC[21:06:13] *** anivemin has joined ##OpenGL[21:10:42] *** anivemin has quit IRC[21:11:52] *** void256 has joined ##OpenGL[21:12:05] *** zerotech has joined ##OpenGL[21:19:22] *** Crehl has joined ##OpenGL[21:21:16] *** agorecki has joined ##OpenGL[21:22:37] *** Rex357 has quit IRC[21:24:05] *** sedeki has quit IRC[21:24:27] *** damir__ has quit IRC[21:30:50] *** Garner has quit IRC[21:40:47] *** staylor has joined ##OpenGL[21:42:11] *** lasserix has quit IRC[21:44:48] *** kivutar has quit IRC[21:56:54] *** staylor has quit IRC[21:58:04] *** lasserix has joined ##OpenGL[22:00:04] *** anivemin has joined ##OpenGL[22:00:13] *** slime73 is now known as slime[22:06:34] *** henriqueleng has joined ##OpenGL[22:06:57] <henriqueleng> Is there someone here that programs opengl + C[22:06:57] <henriqueleng> ?[22:07:25] <derhass> sure[22:07:53] <henriqueleng> derhass: How did you learn?[22:08:25] <tehrain> henriqueleng, me too... and how I learned was by banging my head against the wall a lot[22:08:52] <tehrain> and I am still in the learning phases, still banging my head against the wall[22:08:56] <derhass> henriqueleng: well. what exactly do you want to know?[22:09:17] <derhass> henriqueleng: when I first used opengl, I hade several years of experience with C[22:09:20] *** Garner has joined ##OpenGL[22:09:22] <tehrain> get a simple Linux distro installed, get the GLFW dev libs, and away you go[22:09:28] <tehrain> read the Arcsynthesis tutorials[22:09:42] <henriqueleng> tehrain: derhass: I'm looking for a book or something like this. I already know C programming[22:10:41] <Bloodust> linux, pffft[22:10:57] <henriqueleng> tehrain: Thanks[22:11:14] <tehrain> Bloodust, what do you prefer?[22:11:15] <derhass> henriqueleng: so basically, you look for some opengl book? I don't see how the C part would be relevant here at all[22:11:31] <Bloodust> windows[22:11:33] <Bloodust> as for everything[22:11:53] *** staylor has joined ##OpenGL[22:12:16] <henriqueleng> I'm using linux[22:13:07] *** Rex357 has joined ##OpenGL[22:14:00] <tehrain> then you're already off to a good start, so grab the glfw3-dev package and you should be good to get started drawing rainbow triangles :p[22:14:21] <henriqueleng> Ok, thanks[22:14:51] *** ShadowIce has joined ##OpenGL[22:15:02] *** henriqueleng has quit IRC[22:15:05] *** wreed has joined ##OpenGL[22:17:23] *** Rex357 has quit IRC[22:19:11] *** kuldeepdhaka has quit IRC[22:22:15] *** dusted has joined ##OpenGL[22:30:00] *** japro has joined ##OpenGL[22:32:29] *** tehrain has quit IRC[22:35:10] *** lenarhoyt_ has joined ##OpenGL[22:36:09] *** kuldeepdhaka has joined ##OpenGL[22:41:52] *** kivutar has joined ##OpenGL[22:44:40] *** hdon has joined ##OpenGL[22:44:55] *** Lemml has quit IRC[22:45:39] *** stefkos has quit IRC[22:50:18] *** anivemin has quit IRC[22:54:28] *** stupidpioneers has quit IRC[22:54:39] *** stupidpioneers has joined ##OpenGL[22:55:32] *** gareppa has quit IRC[22:58:07] *** BitPuffin has quit IRC[22:58:31] *** jdolan has joined ##OpenGL[23:00:05] *** jdolan_ has joined ##OpenGL[23:02:39] *** jdolan has quit IRC[23:02:49] *** staylor has quit IRC[23:03:42] *** foreignFunction has quit IRC[23:04:12] *** TunnelCat has joined ##OpenGL[23:06:28] *** Zupoman has quit IRC[23:06:44] *** Zupo2 has joined ##OpenGL[23:09:12] *** snakenerd has quit IRC[23:11:10] *** centrinia has quit IRC[23:13:06] *** justy989 has quit IRC[23:13:51] *** mat^2 has quit IRC[23:15:06] *** snakenerd has joined ##OpenGL[23:16:04] *** YarnFive8 has joined ##OpenGL[23:19:51] *** thetourist has joined ##OpenGL[23:20:40] *** Sairon has joined ##OpenGL[23:21:55] <Sairon> Is it possible to bind a texture array slice to a sampler2D?[23:22:01] *** qeed has joined ##OpenGL[23:22:47] *** tcsc has joined ##OpenGL[23:23:19] *** bbsha_000 has quit IRC[23:23:20] <foobaz> typically one would use sampler2DArray[23:23:57] *** jdolan_ has quit IRC[23:24:27] *** emperiz has quit IRC[23:24:48] *** void256 has quit IRC[23:24:53] *** kuzy000 has quit IRC[23:24:53] <Sairon> Yeah, I'm thinking of having all my textures created in texture arrays, but it would be sweet if I could also bind them to the non array sampler types[23:26:41] *** anivemin has joined ##OpenGL[23:28:53] *** paperManu has quit IRC[23:31:02] *** roboman2444 has quit IRC[23:33:24] *** snakenerd has quit IRC[23:33:34] *** roboman2444 has joined ##OpenGL[23:33:52] *** snakenerd has joined ##OpenGL[23:34:43] *** Jeanne-Kamikaze has quit IRC[23:36:57] *** snakenerd has quit IRC[23:41:02] *** centrinia has joined ##OpenGL[23:45:27] *** Kane has quit IRC[23:49:33] *** crankslider has joined ##OpenGL[23:51:25] *** bove has quit IRC[23:52:11] *** bove has joined ##OpenGL[23:54:52] *** ShadowIce has quit IRC[23:55:01] *** Gamecubic has quit IRC[23:55:31] *** Zupo2 has quit IRC[23:56:07] *** Gamecubic has joined ##OpenGL[23:56:18] *** crankslider is now known as slidercrank[23:57:03] *** Khlorghaal has quit IRC