Hello! I've been trying to learn opengl for the millionth time - clicked and copy-pasted my way through various tutorials, had loads of frustration...

hello i am beginner. i have a problem with fps i am trying to see my GPU max performans with using VBO. i searched all day but i didnt fix this...

Hello, I really do not understand why I am getting really bad frames on Android I am using Libgdx, and using 3D. I have two textures, not including...

Hello everyone. I am wading into the OpenGL pool for the first time, and I think there are some "traditional" and/or "well known" things about VAOs...

Hello kind souls, I'm still trying to get to a firmer undestanding of how the OpenGL guts work, and I've got a couple of oddball questions. ...

I'm trying to blend textures together in the fragment shader. I know how to do it but what I seem to be struggling on is getting these textures from...

I just bought a game that I have been wanting to play for ages now and this error message appeared when starting it up saying: *ahem* Fatal...

I have noticed a memory leak in my program, and seems like if i comment out the commented lines in the following code, the leak goes away. The...

Hi people, I've got a problem, for which I couldn't find any solution so far, despite searching the whole internet for several days and trying...

The picture below is taken from the project settings of a correctly working project. What entities are the circled ones; they have no file...

Hello so, I'm trying to make a 3D engine like prelude of the Chambered, however I am having a few issues I want to make animations on tiles however...

I have 2 threads A, B with 2 different contexts in ES. A updates the FBO-texture by rendering on it, B renders it on the screen using rendertexture....

Hi there, I've been working on an openGL game engine for awhile and I've recently started learning about and implementing deferred shading and I...

Hi Folks: I've been distracted from my study of OpenGL for a month or two. I'm still about half way through these amazing tutorials. I...

hi, lets say i have a mesh in different levels of details (each being a separate mesh / drawcall). to save performance, i first want to render a...

So, I've tried googling this question and keep coming up with answers that aren't working for me. I have an Nvidia GTX 1080ti graphics card. I have...

Hi Everyone, I've been working on a 3D Engine supporting both 32bit and 64bit on Linux. I'm using GLFW and I was able to successfully generate a...

Hello! Does anybody know what is the library GLXW? And where it is possible to download it? Please give me a link! Thanks.

After calling glMultMatrix(m), is m pre or post-multiplied with the current matrix? i.e. current_matrix = m * current_matrix or ...

Hi, I'd like to use use a shader storage buffer with persistant and coherent mapping and double or triple buffering to avoid syncronisation issues...

Hey, everyone! As it is my first forum post, I'd like to ask you all how OpenGL for C was written. I don't want to know how it was compiled, but how...

I just learned about glGetActiveUniform(), so naturally I introduced a uniform in my vertex shader uniform int sup; and in my code, I wrote ...

I'm experimenting with headers - I am on this centralization kick - where all .h files are in one directory, as well as bin's and libs. What I've...

I'm trying to use bitfieldInsert() and bitfieldExtract() to pack/unpack binary flags into a color component in my G-Buffer. Although the second...

So I got Dying Light today and It says that I need to upgrade my OpenGL. I downloaded the 86_64x Long Lived Branch Version, I run it, the .run file, ...

Hello! Does anyone knows if Mesa3D supports an app made with NVIDIA CG Toolkit 1.5 and OpenGL profiles vp40 fp40? ...

As someone new and planning on getting into Graphics Programming and possibly Game Development, the following topics/paths always leave me wondering...

Hi I have this Gerstner function: float PI = 3.14159265358979323846264; P = pos; for (int i = 0; i < numWaves;...

If I'm right then when the fourth component of light position is zero(0) than the light is a directional light and the first three component tell its...

Hi there everyone! How are you doing? I hope you're fine. I'm studying and trying to implement Hierarchical View Frustum Culling by using Bounding...