Questions tagged [opengl]
Open Graphics Library - API for 2D and 3D computer graphics
60 questions
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What is the ideal data structure for 2D and 3D graphics in WebGL or Metal? [closed]
I have been thinking about this here and there for several years but haven't gotten around to having the time to actually implement it. I am getting closer to being able to implement a graphics ...
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Question on MVP Pattern, Events and saving complex objects
I'm working on a winforms project that involves 3d models, Opengl graphics, hierarchical project files and uses an MVP approach. Currently i have things setup such that when the user manipulates ...
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1
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706
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How can I optimize a program's performance when no profiling tools are available?
I am currently working on an OpenGl program whose performance I would like to improve. The performance is okay but not ideal on powerful dedicated GPUs, but is abysmal on integrated graphics (< 10 ...
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2
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OpenGL and global state
It is generally understood in software engineering that global state is bad. However, OpenGL has been designed very much embracing the concept of global state. many of the things you modify will ...
- 261
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2
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Abstraction of VAOs, VBOs and Models
I have gone down the rabbit hole that is abstracting away a working game engine in OpenGL and C++. Before reaching the other side I'd like to ask about my current design, which is - the more I look at ...
- 387
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2
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Why use SDL and OpenGL instead of just OpenGL?
I've been seeing people combine SDL2 and OpenGL (glfw.h or glut.h) for a while now, I've done some research and found out SDL2 runs on OpenGL. So why does people combine these two? Some people ...
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What would be a good way to abstract OpenGL-Concepts in a game engine? [closed]
I have posted the same question to StackOverflow and Stackexchange and both got downvoted to oblivion as "too broad". So maybe this will be a better place for it.
I am working on a rendering engine ...
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1
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2
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OpenGL: generating a plane with only one triangle strip
I would like to follow up on this question, except that I have no code to show, so I decided to ask it here.
In the linked question, the OP was looking for an algorithm which could generate a plane ...
- 339
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0
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224
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Incorporating existing 2D OpenCL/OpenGL application in 3D scene
There is an existing real-time, scientific visualization application that uses OpenCL and OpenGL to render complex 2D graphs. My goal is to incorporate this application into a 3D rendered scene. At ...
- 179
3
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1
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2k
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A web browser written using OpenGL, is it practical?
Games written using OpenGL are relatively easy to port to many platforms, and look and feel the same everywhere implementing their own UI. Web browsers have to solve a very similar problem. So, why ...
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OpenGL: Why are things bound instead of being passed directly as parameters?
In OpenGL you have to bind an object to the context to be used in subsequent calls, instead of just using it as an argument in those calls.
For example, in OpenGL you write this
glGenBuffers( 1, &...
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Is OpenGL just badly designed?
I have been using OpenGL and OpenGL ES for a long time, and I know them pretty well. They're also really, really annoying to use, and I haven't really seen this discussed anywhere. Here are some ...
- 99
6
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2
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What is GLFW in relation to OpenGL
Now this question might sound (/ is) stupid, but I'm just getting into OpenGL.
So I installed GLFW source and I'm looking at some easy examples. What I'm noticing is, that the code still contains "...
- 831
1
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1
answer
171
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Managing Opengl projects under Team Foundation Server
I am learning OpenGL/C++ by following a tutorial series on in2gpu. I set up my Project just like the autor did. It is an Empty Visual C++ Project. Inside the project I linked glew and freeglut, the ...
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2D Animating in OpenGL [closed]
I am trying to animate a texture in OpenGL. I feel like it should be easy, as I know how to animate in SDL and other libraries but I am having trouble. I have a x,y,w,h that holds the texture ...
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