All Questions
Tagged with architecture opengl
40 questions
0
votes
0
answers
167
views
How to Pass Multiple VBOs to OpenGL for a voxel game
I'm trying to make a voxel engine (NOT based on an octree model). Currently I have a setup with a Chunk class, which stores the following:
...
- 61
1
vote
1
answer
2k
views
How to update indices for dynamic mesh in OpenGL?
So I am making a 3D batchrenderer for my engine, and the basic concept is that we make large enough VBO and IBO to accompany all the vertex data(positions, normals, uv etc.) and update the VBO using <...
- 183
1
vote
1
answer
526
views
How do rendering pipelines improve the performance of updating all the vertices every frame?
Let's say I am implementing a simple game engine, particularly the rendering part. From the high-level view we have some vertices which are copied to the graphics card alongside shader information etc....
- 113
1
vote
2
answers
773
views
How to load assets into the game engine editor fast?
I am making a game engine with C++ and OpenGL. Currently I'm stuck making the asset explorer. I would like to be able to import assets into an engine project and then when I open the project just use ...
- 46
1
vote
0
answers
731
views
Modern OpenGL, 2D only, should I be using uniforms or VBOs for sprite transformation?
I'm new to OpenGL, I'm currently building a 2D game engine. Right now I'm only using one shader as I only draw textured quads (basically sprites).
The thing is... I don't know if should I be using ...
0
votes
1
answer
205
views
Should I throw out game heavily using OpenGL 2.0 and rewrite it from scratch?
I've picked up one old open source game (done with C++/Lua) with a lot of features and chosen to continue its development. It use SDL2 (ported by me from 1.2) and OpenGL 2.0. Now when I look at futher ...
1
vote
1
answer
615
views
Separating game logic and rendering logic in separate static libraries
I'm trying to write a game in C++ using OpenGL. I've tried to separate my game logic and my rendering logic as much as possible, and up until now, this has worked for me. I haven't written a lot of ...
- 145
1
vote
1
answer
238
views
How to organize passing data to shaders in cross-API render system?
I try to create rendering system that supports DirectX and OpenGL. I am trying to create class for constant buffer, but DirectX constant buffers and OpenGL uniform buffers have different memory ...
- 27
0
votes
1
answer
479
views
How to create class for storing different types of vertex?
I am writing graphics engine for educational pursoses and have some problems.
I need to have ability to use different vertex formats (for example position+normal+uv or position+normal+uv+bones+...
- 27
1
vote
1
answer
1k
views
Is this an optimal way to architect an OpenGL Renderable object class?
I want to create a class which is a "Renderable class". Basically, world objects will use this as a Base class to create objects that can be drawn into an OpenGL window. This is what i 've got so far:
...
- 125
2
votes
0
answers
963
views
OpenGL back/front end threading and Doom 3 BFG engine
Introduction
I have been reading through the source code of id Software's Doom 3 BFG engine. The whole codebase is on GitHub at id-Software/DOOM-3-BFG. The architecture is both clean and elegant. The ...
- 149
2
votes
2
answers
5k
views
How do I better organise rendering in an entity component system?
I'm developing an isometric RPG, with 3D characters in 2D level. I was using a standard object orientated programming paradigm, but was faced with a lot of issues. Recently, I learned about entity ...
- 23
6
votes
3
answers
1k
views
Is this a good way of separating graphics from game logic?
My current architecture for me game engine looks like this, though it is not accurate:
Everything graphics related is done in by GraphicsEngine, and through its ...
- 781
4
votes
2
answers
3k
views
How do you store uniform data?
In a general purpose C++ rendering engine, one way of organizing data is to divide mesh data into two classes: the geometry and the material. The geometry class includes indices, vertices, normals, ...
- 93
-4
votes
1
answer
93
views
