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Index > Linux > OpenGL Mandelbrot renderer

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randall



Joined: 03 Dec 2011
Posts: 155
Location: Poland
randall
I have written real-time Mandelbrot renderer using OpenGL. It is NVIDIA only program and requires GeForce 8xxx or newer. It is interactive program you can move around and zoom to explore different areas of the fractal (A,Z keys to zoom/unzoom, arrow keys to move the camera). I hope it will be useful for someone.

Thanks.


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Post 20 Mar 2012, 17:54
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tthsqe



Joined: 20 May 2009
Posts: 730
tthsqe
Yes. This is very nice!
Could you explain exactaly what you are doing?
And, possibly write a windows verison as well?
I tink I could learn a bunch from this.......
Post 20 Mar 2012, 18:13
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randall



Joined: 03 Dec 2011
Posts: 155
Location: Poland
randall
tthsqe wrote:
Yes. This is very nice!
Could you explain exactaly what you are doing?
And, possibly write a windows verison as well?
I tink I could learn a bunch from this.......


What exactly would you like to know?
I don't use windows, sorry.
Post 21 Mar 2012, 09:18
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tthsqe



Joined: 20 May 2009
Posts: 730
tthsqe
Well, I would like to know:
- how to use opengl extensions
- how to use custom shaders
I guess I'll try to reproduce your code in windows and see what happens...
Post 21 Mar 2012, 09:53
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randall



Joined: 03 Dec 2011
Posts: 155
Location: Poland
randall
To use custom assembly shaders on NVIDIA hardware read this:
http://www.opengl.org/registry/specs/NV/gpu_program4.txt

First thing you need to do is to create window and OpenGL context. I use SDL 1.2 library for this (it is cross-platform lib so you can also use it on windows).

After you created context you can load OpenGL extensions with SDL_GL_GetProcAddress function.
Post 21 Mar 2012, 10:10
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gunblade



Joined: 19 Feb 2004
Posts: 209
gunblade
Heh, thats pretty neat, didnt know OpenGL provided the option to run code on the GPU..

It looks like a pre-existing version of what is now CUDA (NVIDIA) DirectCompute (AMD/ATI) or OpenCL (both)..

If your gfx card is CUDA-capable, you should maybe look at tthsqe's code for CUDA here:
http://board.flatassembler.net/topic.php?t=13293

Its windows-only, but I ported it to linux (64-bit) near the bottom of the thread, so you could try that one, and maybe adapt your mandrelbot code to it?
Post 25 Mar 2012, 11:09
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