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The Big Programming Thread - Page 702

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Thread Rules
1. This is not a "do my homework for me" thread. If you have specific questions, ask, but don't post an assignment or homework problem and expect an exact solution.
2. No recruiting for your cockamamie projects (you won't replace facebook with 3 dudes you found on the internet and $20)
3. If you can't articulate why a language is bad, don't start slinging shit about it. Just remember that nothing is worse than making CSS IE6 compatible.
4. Use [code] tags to format code blocks.
Manit0u
Profile Blog Joined August 2004
Poland17843 Posts
January 20 2016 07:08 GMT
#14021
Working 11 days a week is no fun Perma-tired... Hate fixing shitty projects that are beyond hope.
Time is precious. Waste it wisely.
Wrath
Profile Blog Joined July 2014
3175 Posts
January 20 2016 08:53 GMT
#14022
On January 20 2016 16:08 Manit0u wrote:
Working 11 days a week is no fun Perma-tired... Hate fixing shitty projects that are beyond hope.


Are weeks more than 7 days or you work more than 88 hours a week?
Nesserev
Profile Blog Joined January 2011
Belgium2760 Posts
Last Edited: 2016-01-20 12:21:02
January 20 2016 12:20 GMT
#14023
--- Nuked ---
Manit0u
Profile Blog Joined August 2004
Poland17843 Posts
Last Edited: 2016-01-20 16:36:48
January 20 2016 12:49 GMT
#14024
On January 20 2016 17:53 WrathSCII wrote:
Show nested quote +
On January 20 2016 16:08 Manit0u wrote:
Working 11 days a week is no fun Perma-tired... Hate fixing shitty projects that are beyond hope.


Are weeks more than 7 days or you work more than 88 hours a week?


The latter

Edit:
Today was a great success. First I've improved app response times by a factor of 6 and then I added 30% boost on top of that. Encouraged by this I might feel bold enough tomorrow to add a reverse proxy and redis cache to boost it even further, but I guess I won't have the time for that.
Time is precious. Waste it wisely.
aXa
Profile Blog Joined July 2010
France748 Posts
Last Edited: 2016-01-20 20:43:46
January 20 2016 19:24 GMT
#14025
[image loading]

I'm programming a Go game using OpenGL as a project for school, and I'm having a great time. I love OpenGL, I was wondering if any of you guys would recommend me a book on shaders ? I'd like to improve my skills so one day I can make my own game with beautiful graphics
Djagulingu
Profile Blog Joined December 2010
Germany3605 Posts
Last Edited: 2016-01-20 20:56:12
January 20 2016 20:55 GMT
#14026
Nvm.
"windows bash is a steaming heap of shit" tofucake
Wrath
Profile Blog Joined July 2014
3175 Posts
January 20 2016 21:27 GMT
#14027
On January 21 2016 04:24 aXa wrote:
I'm programming a Go game using OpenGL as a project for school, and I'm having a great time. I love OpenGL, I was wondering if any of you guys would recommend me a book on shaders ? I'd like to improve my skills so one day I can make my own game with beautiful graphics


I was going to ask the same thing...

I never took a computer graphics course so I don't have any info about it is being processed within the computer and within the GPU-CPU stuff. Tried to OpenGL, but without theory understanding it seems hard... Can anyone point me to a good startup place to understand graphics processing?
aXa
Profile Blog Joined July 2010
France748 Posts
January 20 2016 21:36 GMT
#14028
On January 21 2016 06:27 WrathSCII wrote:
Show nested quote +
On January 21 2016 04:24 aXa wrote:
I'm programming a Go game using OpenGL as a project for school, and I'm having a great time. I love OpenGL, I was wondering if any of you guys would recommend me a book on shaders ? I'd like to improve my skills so one day I can make my own game with beautiful graphics


I was going to ask the same thing...

I never took a computer graphics course so I don't have any info about it is being processed within the computer and within the GPU-CPU stuff. Tried to OpenGL, but without theory understanding it seems hard... Can anyone point me to a good startup place to understand graphics processing?


Mh, your question makes me feel like my question was not clear. I'm looking for a book to go more in-depth on shaders, I already understand the basics.
Wrath
Profile Blog Joined July 2014
3175 Posts
January 21 2016 06:58 GMT
#14029
On January 21 2016 06:36 aXa wrote:
Show nested quote +
On January 21 2016 06:27 WrathSCII wrote:
On January 21 2016 04:24 aXa wrote:
I'm programming a Go game using OpenGL as a project for school, and I'm having a great time. I love OpenGL, I was wondering if any of you guys would recommend me a book on shaders ? I'd like to improve my skills so one day I can make my own game with beautiful graphics


I was going to ask the same thing...

I never took a computer graphics course so I don't have any info about it is being processed within the computer and within the GPU-CPU stuff. Tried to OpenGL, but without theory understanding it seems hard... Can anyone point me to a good startup place to understand graphics processing?


Mh, your question makes me feel like my question was not clear. I'm looking for a book to go more in-depth on shaders, I already understand the basics.


Ah... Well, can you help to get started with the basics?
Nesserev
Profile Blog Joined January 2011
Belgium2760 Posts
Last Edited: 2016-01-21 07:22:29
January 21 2016 07:21 GMT
#14030
--- Nuked ---
aXa
Profile Blog Joined July 2010
France748 Posts
January 21 2016 08:21 GMT
#14031
On January 21 2016 15:58 WrathSCII wrote:
Show nested quote +
On January 21 2016 06:36 aXa wrote:
On January 21 2016 06:27 WrathSCII wrote:
On January 21 2016 04:24 aXa wrote:
I'm programming a Go game using OpenGL as a project for school, and I'm having a great time. I love OpenGL, I was wondering if any of you guys would recommend me a book on shaders ? I'd like to improve my skills so one day I can make my own game with beautiful graphics


I was going to ask the same thing...

I never took a computer graphics course so I don't have any info about it is being processed within the computer and within the GPU-CPU stuff. Tried to OpenGL, but without theory understanding it seems hard... Can anyone point me to a good startup place to understand graphics processing?


Mh, your question makes me feel like my question was not clear. I'm looking for a book to go more in-depth on shaders, I already understand the basics.


Ah... Well, can you help to get started with the basics?


Well, I learned myself by googling everything to death, so it's kind of difficult to remember where I picked up useful informations.What I can tell you, is that your first exercice should be this:
Find a .obj file of the famous teapot (http://inst.eecs.berkeley.edu/~cs184/sp09/assignments/teapot.obj), use GLFW, glew and GLM to try to draw the scene with said teapot. Hardest part will be understand how shaders work.
iaretehnoob
Profile Joined June 2004
Sweden741 Posts
January 21 2016 12:54 GMT
#14032
http://learnopengl.com/ looks like a good starting point for OpenGL. Appears to be quite comprehensive and non-terrible at a first glance. For more theory and a focus on ray tracing I like http://scratchapixel.com/ , lots of good information there.

I'm not sure what you are looking for with regards to shaders. The basics of how shaders work and how they interact with each other and your main program? Different techniques and lighting models? Or something else?
Wrath
Profile Blog Joined July 2014
3175 Posts
Last Edited: 2016-01-21 15:00:18
January 21 2016 14:57 GMT
#14033
I think I was not clear with the basics...

I have no idea what "rendering" or "shaders" are or even how the data are being processed in the GPU. I have taken computer architecture courses so I have an idea how things go between memory - cpu stuff. But I have no idea how GPU process data and the other terms related to graphics libraries or API are.

I'm not sure how I am supposed to work with OpenGL and try stuff without understanding those stuff first.

Thank you very much Nesserev!

This is like a good start except I want an already made classes that I can view on YouTube or something. No time to enroll on any classes

I'll begin searching on what you gave me, hopefully I can find some useful stuff.
Khalum
Profile Joined September 2010
Austria831 Posts
January 21 2016 16:16 GMT
#14034
sdafjiasdfljasdfjhsadfüjasdäjgdlmmöx#üßwerßjmlög

The OpenCV SURF implementation uses OpenCL per default since version 3.0 and that beautiful thing just crashes on some laptops. And I wasted 5 hours trying to figure out where the f... my code had a bug....

I need beer now. Lots of.



Zocat
Profile Joined April 2010
Germany2229 Posts
January 21 2016 16:53 GMT
#14035
If you're completely new this is a decent tutorial: https://bitbucket.org/alfonse/gltut/downloads (it's the former arcsynthesis.org tutorial, for people that know about that one).

In general I think the book Real-Time Rendering (Moller, ...) is a great resource, but it's not specific to a language. I'd say it's more theory based for understanding, not for doing (getting results fast).

The "red book" is an intro to OpenGL.

There is also an "orange" book which focuses on Shaders. aXa that might be an option for you.
I have also heard ShaderX (old, outdated?, 1st one free here) and GPU Pro books mentioned.



Shield
Profile Blog Joined August 2009
Bulgaria4824 Posts
January 21 2016 17:10 GMT
#14036
Are video players optimised further or do they use ffmpeg straight out of the box? Does anyone have an idea? I've seen some ffmpeg decode examples, but vlc often performs better.
Manit0u
Profile Blog Joined August 2004
Poland17843 Posts
January 22 2016 01:04 GMT
#14037
[image loading]
Time is precious. Waste it wisely.
Deleted User 101379
Profile Blog Joined August 2010
4849 Posts
Last Edited: 2016-01-22 07:22:23
January 22 2016 07:22 GMT
#14038
On January 22 2016 10:04 Manit0u wrote:
+ Show Spoiler +
[image loading]


I'm sad that the first real progamming language I learned - Perl - isn't on that list

http://www.cpan.org/misc/japh
Manit0u
Profile Blog Joined August 2004
Poland17843 Posts
January 22 2016 11:05 GMT
#14039
On January 22 2016 16:22 Morfildur wrote:
Show nested quote +
On January 22 2016 10:04 Manit0u wrote:
+ Show Spoiler +
[image loading]


I'm sad that the first real progamming language I learned - Perl - isn't on that list

http://www.cpan.org/misc/japh


This reminds me of this beauty (flight simulator):


#include <math.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
double L ,o ,P
,_=dt,T,Z,D=1,d,
s[999],E,h= 8,I,
J,K,w[999],M,m,O
,n[999],j=33e-3,i=
1E3,r,t, u,v ,W,S=
74.5,l=221,X=7.26,
a,B,A=32.2,c, F,H;
int N,q, C, y,p,U;
Window z; char f[52]
; GC k; main(){ Display*e=
XOpenDisplay( 0); z=RootWindow(e,0); for (XSetForeground(e,k=XCreateGC (e,z,0,0),BlackPixel(e,0))
; scanf("%lf%lf%lf",y +n,w+y, y+s)+1; y ++); XSelectInput(e,z= XCreateSimpleWindow(e,z,0,0,400,400,
0,0,WhitePixel(e,0) ),KeyPressMask); for(XMapWindow(e,z); ; T=sin(O)){ struct timeval G={ 0,dt*1e6}
; K= cos(j); N=1e4; M+= H*_; Z=D*K; F+=_*P; r=E*K; W=cos( O); m=K*W; H=K*T; O+=D*_*F/ K+d/K*E*_; B=
sin(j); a=B*T*D-E*W; XClearWindow(e,z); t=T*E+ D*B*W; j+=d*_*D-_*F*E; P=W*E*B-T*D; for (o+=(I=D*W+E
*T*B,E*d/K *B+v+B/K*F*D)*_; p<y; ){ T=p[s]+i; E=c-p[w]; D=n[p]-L; K=D*m-B*T-H*E; if(p [n]+w[ p]+p[s
]== 0|K <fabs(W=T*r-I*E +D*P) |fabs(D=t *D+Z *T-a *E)> K)N=1e4; else{ q=W/K *4E2+2e2; C= 2E2+4e2/ K
*D; N-1E4&& XDrawLine(e ,z,k,N ,U,q,C); N=q; U=C; } ++p; } L+=_* (X*t +P*M+m*l); T=X*X+ l*l+M *M;
XDrawString(e,z,k ,20,380,f,17); D=v/l*15; i+=(B *l-M*r -X*Z)*_; for(; XPending(e); u *=CS!=N){
XEvent z; XNextEvent(e ,&z);
++*((N=XLookupKeysym
(&z.xkey,0))-IT?
N-LT? UP-N?& E:&
J:& u: &h); --*(
DN -N? N-DT ?N==
RT?&u: & W:&h:&J
); } m=15*F/l;
c+=(I=M/ l,l*H
+I*M+a*X)*_; H
=A*r+v*X-F*l+(
E=.1+X*4.9/l,t
=T*m/32-I*T/24
)/S; K=F*M+(
h* 1e4/l-(T+
E*5*T*E)/3e2
)/S-X*d-B*A;
a=2.63 /l*d;
X+=( d*l-T/S
*(.19*E +a
*.64+J/1e3
)-M* v +A*
Z)*_; l +=
K *_; W=d;
sprintf(f,
"%5d %3d"
"%7d",p =l
/1.7,(C=9E3+
O*57.3)%0550,(int)i); d+=T*(.45-14/l*
X-a*130-J* .14)*_/125e2+F*_*v; P=(T*(47
*I-m* 52+E*94 *D-t*.38+u*.21*E) /1e2+W*
179*v)/2312; select(p=0,0,0,0,&G); v-=(
W*F-T*(.63*m-I*.086+m*E*19-D*25-.11*u
)/107e2)*_; D=cos(o); E=sin(o); } }


To run it on Linux:

cc banks.c -o banks -DIT=XK_Page_Up -DDT=XK_Page_Down \
-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-DCS=XK_Return -Ddt=0.02 -lm -lX11 -L/usr/X11R6/lib
Time is precious. Waste it wisely.
Khalum
Profile Joined September 2010
Austria831 Posts
January 22 2016 14:16 GMT
#14040
While we're at it..
http://motherboard.vice.com/read/donald-trump-in-a-programming-language
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