2
votes
1answer
80 views

How to make OpenGL rendering resolution independent from its window context resolution?

Can the rendering resolution of OpenGL and the window size (at least for the Windows OS) be separated? For example, I may only want to render at 400x300 resolution, but I want my window size to be ...
0
votes
1answer
478 views

How to find monitor resolution with glfw3?

For a while now, I have been playing around with making a game using OpenGL, and glfw3. I have been perfectly happy to create windows at my native resolution of 1920x1080. I'm getting to the point ...
2
votes
0answers
159 views

Box2D, OpenGL, resolution and matrix setup [closed]

Okay, my internal units are going to be meters, ranging between 0.1 and 10 meters for size. First of all, my mind is all wrapped up in a knot trying to understand how to handle my game with multiple ...
5
votes
1answer
4k views

OpenGL: Resizing Display and glOrtho/glViewport

I have researched this question from several sources and have yet to find a firm answer saying that "yes that is correct thinking" or "no, here is how it's done." I am trying to ensure resolution ...
0
votes
1answer
170 views

Is it possible to render part of the screen in different pixel density using openGL?

Say I have an openGL screen and I want to render part of the screen in different pixel density than the whole screen pixel density. Is it possible and if possible how?
0
votes
1answer
290 views

Picking a suitable resolution for a modern low-res game?

I'm working on a 2D game project right now (using SFML+OpenGL and C++) and I'm trying to figure out how to go about choosing a resolution. I want my game to have a pixel resolution that is around that ...
2
votes
2answers
737 views

Simple OpenGL program major slow down at high resolution

I have created a small OpenGL 3.3 (Core) program using freeglut. The whole geometry is two boxes and one plane with some textures. I can move around like in an FPS and that's it. The problem is I face ...