I am following this OpenGL tutorial at Open.gl, it begins to speak about installing Glew.
I have found another post on Stack overflow that explains how to install it.
But which one shall I download? (Source: ZIP/TGZ | Binaries: Windows 32-bit and 64-bit)
My operating system is Windows 8.1 64bit
Glew site - http://glew.sourceforge.net/
I'd suggest grabbing the binaries. Grab the bitness you need to suit your compile.
Related
I installing Qt open source framework in my window 10 pc. I already downloaded Mingw compiler and installed it to write C/C++. Now I wanna learn QT framework. I using Qt online installer. I choice to download custom compoment. Do I need to selet mingw component to download if i had already installed?
Note that there's not just one MinGW distribution and version out there. You can check out the exact supported version per Qt release at https://wiki.qt.io/MinGW .
Anyhow, if you install the pre-built Qt binaries via the online installer, the matching MinGW version will automatically be installed for you, and will be registered in Qt Creator so that things just work. There is actually no official way to prevent this.
I am trying to install MinGW but it's always failing to install.
on windows 7
link of the program:
https://sourceforge.net/projects/mingw/files/latest/download
Tar zips are not generally for windows users the downlink should be a windows installer mingw-get-setup.EXE thus (not a GnuZip)
Also if your trying to unpack 32bit collections the question is which architecture do you need, certainly 32.exe will run on 64, but 64.exe will NOT work on 32.
Current build is 32bit "Although (currently) offering only a 32-bit compiler suite, all of MinGW's software will execute on the 64bit Windows platforms."
get it from official https://osdn.net/projects/mingw/releases/
latest link I got was
https://osdn.net/frs/redir.php?m=liquid&f=mingw%2F68260%2Fmingw-get-0.6.3-mingw32-pre-20170905-1-bin.zip
once you have a valid windows .zip file, right click to "extract" then the exe should be in the bin folder.
Then it's just you on your own, and the myriad of instructions from google.
MinGW is a compiler generating files for the Windows platform, but MinGW itself can also be run on other platforms (like Linux for example).
What you need is are Windows binaries of MinGW.
But MinGW is a bit outdated and only supports 32-bit Windows.
I would really recommend using MinGW-w64.
Standalone build of MinGW-w64 for Windows (both 32-bit and 64-bit) are available at https://winlibs.com/ just download the archive and extract it. Then all the tools you need will be in the mingw32/bin or mingw64/bin folder.
If you're not very familiar with command line tools you should really use an IDE. There are some instructions on https://winlibs.com/ on how to use MinGW-w64 with Code::Blocks.
If on the other hand you are very familiar with command line or the Linux shell you should take a look at MSYS2 which also allows installing MinGW-w64 with it's pacman tool.
I have a unix binary file built with QT and OpenGL which I'm trying to execute on linux-64. It is a simple visual program that shows 2d and 3d graphics.
I have installed all necessary dependencies such as QT and openGL libraries.
However, I have stuck with the following error trying to execute the binary
QXcbIntegration: Cannot create platform OpenGL context, neither GLX
nor EGL are enabled
However, the binary eventually runs but with some missing features such as 3D graphics.
my setup includes: virtual linux-64 using virtualBox, Vagrant, x-11 forwarding, and a Mac machine.
Eventually I realised that OpenGL 3.3 wouldn't work easily on virtual machines .. yet. I had to boot from ubuntu usb and work from there by installing latest mesa 3d package.
This shows a similar issue and the developer in the comment said our 3D support is not very clean in Linux guests, hence the warnings. You can give a try to VMware.
After some time trying to get some opengl working on a particular locked down linux box, I ended up going back to Qt Creator 2.5.2 .
http://download.qt.io/archive/qtcreator/2.5/
http://download.qt.io/archive/qtcreator/2.5/qt-creator-linux-x86_64-opensource-2.5.2.bin
After getting it on the linux box...
chmod u+x *.bin
./qt-creator-linux-x86_64-opensource-2.5.2.bin
And after a short installer, Qt Creator is working!
Basically QtQuick is a requirement in any Qt Creator built after 2.5 (aka Qt 5.x) and QtQuick NEEDS opengl libraries and support.
Hope that helps.
I see this problem when executing Qt App, I was executing in dash prompt. (Ubuntu 16.04 has dash by default). I changed to bash prompt and rebuilt my QT App. This error is gone.
To configure bash I used below command.
sudo dpkg-reconfigure dash
I'm porting my application from Qt4 to Qt5. I installed Qt5.2.1 from the online installer on Linux Mint 16 64-bit, in a vm on my MacBook Pro. When I run qmake and build in Qt Creator, I get:
/usr/bin/ld: cannot find -lGL
Do I need openGL? I'm not using it when I build on Windows or OSX. I'm very new to Linux, and far from expert in C++ or Qt. I found a post that included a hack to remove -lGL from mkspecs/common/linux.conf. That worked.
My question is, assuming I don't need -lGL, what is the normal way to keep the linker from attempting to link it? I imagine I do something in the .pro file, but what?
Qt5 makes heavy use of OpenGL internally. On Windows OpenGL support is a bit flaky (you must install the original vendor drivers, because Microsoft strips OpenGL from the automatically installed drivers) and hence makes use of a built in OpenGL emulation layer library.
On Linux however OpenGL support is much better. You'll find at least the Mesa softpipe backend, if the GPU is not supported by the standard drivers. If the GPU is supported, then out-of-the-box OpenGL support in Linux has become pretty good over the past years.
On MacOS X OpenGL is actually the foundation of all the higher level graphics operations and hence part of the inner workings of the operating system; sounds great in theory, but is also a major obstacle for quick version turnaround, as every major OpenGL version bump mandates an operating system update.
Now, unless your installation of Linux is seriously outdated you actually should have a OpenGL library installed. If not (and your linker error tells you this), just install the Mesa development package.
Linux Mint is a derivative of Ubuntu which in turn is a Debian derivative. The command to install the Mesa development package for OpenGL is
sudo apt-get install libgl1-mesa-dev
I am trying to get started on opengl programming from the videotutorialsrock.com site.
It wants me to install GLUT and the OpenGL SDK. I was able to download GLUT successfully but the link he has on this page
http://www.videotutorialsrock.com/opengl_tutorial/get_opengl_setup_windows/text.php
does not work on my 64 bit Windows 7 install.
I tried going to the OpenGL page and did not find a download.
I am not very familiar with OpenGL just yet so I am hesitant to just download some OpenGL library and go from there.
What should I download?
The .DLL will already be installed as part of Windows
The .LIB file can be found in the Windows Platform SDK ( http://www.microsoft.com/downloads/details.aspx?FamilyId=484269E2-3B89-47E3-8EB7-1F2BE6D7123A&displaylang=en )
If you're using MinGW instead of Visual Studio, the .a (.lib equivalent) should have been installed with the rest of MinGW.
The following blog post may also prove helpful:
http://www.microsoft.com/downloads/details.aspx?FamilyId=484269E2-3B89-47E3-8EB7-1F2BE6D7123A&displaylang=en
You don't need to install OpenGL, it's part of Windows. For GLUT just get the source code of freeglut and compile it as a 64bit lib.