OpenGL/C++ 3D Tutorial 10 - Vertex and Fragment shaders

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[hokhyt]

To be honest, I've never understood OpenGL until I watch your serie. Great job, thank you so much!

[_daniel.w]

It's amazing when you watch other youtube videos on OpenGL and you understand it, but then you take a step back for a while, and then when you come back to it, you've forgot a lot but I thought a bit and then remembered nearly everything, the feeling is amazing :D Keep it up!

[francpujolar]

This is hard, had to watch twice, but brilliant, I almost surrendered today, as I finished a long openGL tutorial, and followed along, but didn't understand anything. Linking with you was exhausting aswell since I had no motivation, but now that I've seen it twice, i'm starting to get it!. You are brilliant and so are these videos! Great teacher.

[garyphelps]

It would really help troubleshoot stuff faster if we had the source code for each tutorial. Your series is great overall though. Your style is great and you really know how to teach well.

[jamieLtaker]

wow it feels so good when you run it and there is no error

[valizeth]

The reason why everything in the opengl api starts with the letters "gl" is because it's a C-api, originally. And C does / did, not support namespaces so back then it was better to set a preword before the function name, anything developed in C++ should rather use namespaces.

[livinghomunculus]

If you are receiving the error: version '440' not supported make sure to use the version of opengl that your graphics card supports, which should have been selected in the making a window tutorial.

[AlejandroMoreno-pjtw]

I'm enjoying your tutorial, just a suggestion: use bigger font size (it would really help your excellent explanation and dedication). Thanks for your tutorial!

[wagsman]

Excellent introduction, learning a lot so far. Thanks!

[featherless]

I was watching the tutorial, and when I had to run it I got these errors:


Vertex shader failed to compile with the following errors:
ERROR: 0:15: error(#172) Too many arguments constructor
ERROR: error(#273) 1 compilation errors. No code generated

Could someone help me with this, I've looked through the code, and I don't see any problems, it might be that there are too many words/characters that the string cannot take in within the vertex file, but I'm not sure.

[ziyedhamrouni]

It worked ! I found out that I have two graphic card ! I desactivated the first one because the second one : NVIDIA GeFORCE supports opengl 4.5 ! LOL all this time I was using the poor HD graphics

[joelincz]

Thank you, it took me a while but I think I understand it a little bit :) thanks!

[difference]

It said that my shaders could not compile I did it exactly like the tutorial and redid it is there a way to fix this?

[jamieLtaker]

the in_file variable name is getting an error saying "incomplete type is not allowed". it is not creating the variable and i dont know what to do

[heliumhydride]

I use tdm gcc as a compiler... I can't seem to print anything to the command prompt, the window shows up fine but when I 'try to get errors' by changing the glsl file the window just crashes and I don't get any info on the error...

[robertt]

I got an error for having two main functions. This was because I forgot to change when creating the fragment shader :)

[miloz]

I got an error:
Vertex info

0(9) : error C1013: function "main" is already defined at 0(11)

And I don't know what I did wrong. Would anyone help?

Edit (Solved): I wrote "GLuint fragmentShader = glCreateShader(GL_VERTEX_SHADER);", and it should be "GL_FRAGMENT_SHADER".

[nathanaelvetters]

instead of creating the loadSuccess variable, why not use the preexisting "success" variable?

[aaronnichols]

How do you get passed the #version is not a preprocessor directive error?

[valizeth]

Du är ju svensk för fan, hade jag helt missat.




Väldigt bra engelska för att vara svensk, hade gissat på amerikan.