Tagged Questions

1
vote
0answers
54 views

Per fragment lighting with OpenGL 4.x tessellated model

I'm experienced with OpenGL 3+. I'm dabbling with tessellation shaders and have now got to a point where I have a nicely tessellated teapot/plane demo (quick look here) As can be seen from the ...
0
votes
1answer
73 views

Is it possible to access vertex values of an object created using display lists?

I wanted to learn to develop games so started with tetris. I encountered a problem right in the beginning. My game is 20% ready. There are five types of shapes viz YELL, BOX, LINE, TEE, YEL which are ...
6
votes
3answers
595 views

Started game development no idea of computer graphics. Should I learn tools or concepts?

I am in 6th semester of my Computer science bachelor degree program, Working as Intern in a start up company. I started game development using AndEngine, things are going good because I have good hold ...
6
votes
2answers
758 views

Fastest way to draw small particles in opengl?

Quick question : Which is the fastest method to render a large array of 4x4/8x8 particles in opengl ? Currently i spend 2triangles for each one but i think that its slow so i would really like to know ...
3
votes
3answers
2k views

Should I use Game Engines to learn to make 3D games?

HI i am a software engineering student in his second-last year. I am proficient with C,C++,C# and java programming languages, and being a student of engineering I have studied calculus, vectors etc ...
2
votes
4answers
291 views

What is a right datatype in C++ for OpenGL scene representation with use of GLSL

I am programming in C++ OpenGl with GLSL. Until now I have been using a data structure that is composed of std::vector filled with structures of vertexes and with their parameters (position , normal, ...
3
votes
2answers
321 views

How can I make the switch from immediate mode to VBOs?

I've been using OpenGL for a short time now- and I'd like some clarification on VBOs. As I understand it, a VBO is an object stored on VRAM. In immediate mode, to apply a texture we simply bind it and ...
1
vote
2answers
242 views

Different types of memories which a graphics card has

I've been googling this around and yet nothing showed up but some articles from middle ages which were talking about Gforce mx and ... . My question is just this: what are the different memories in a ...
0
votes
2answers
626 views

opengl memory issue - quite strange

I have heard that textures consumes lot of memory but I am surprised how much.... I have 7 textures 1024 16 bit each. And while I will run my app it consumes 57MB of memory. I think that this is "a ...
3
votes
2answers
272 views

What happens to allocated video memory when the program terminates?

Using OpenGL it is possible to load textures, buffer arrays, compiled shaders and more to the video memory. When a C++ program exits, heap memory that was allocated by it is cleaned. What happens to ...
5
votes
2answers
606 views

Atmospheric Scattering

I want to add some nice atmospheric scattering to my 3D game engine but I am very concerned with conserving resources. I am not very familiar with how its done but can someone please give me some ...
20
votes
7answers
2k views

How to get PS3/Xbox 360 experience without having access to Dev kits?

I am a budding game programmer trying to get into the industry programming for PS3, Xbox 360. The main problem I see is the need to demonstrate my skills to a potential employer, but without access ...