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Type: Posts; User: vindy

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  1. Thread: OpenGL video

    by vindy
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    742

    OpenGL video

    Hi everyone. I took a couple graphics programs of mine written using OpenGL and dumped a bunch of frames to video using OpenCV. I then put some music to it and uploaded the result to youtube. Here's...
  2. Hi Mobeen. Thanks for replying to my question....

    Hi Mobeen. Thanks for replying to my question. I've already done the glewExperimental = GL_TRUE; thing. And because I'm writing a win32 program here I don't get command line arguments passed to it...
  3. Access violation thrown by shaderManager.InitializeStockShaders()

    I'm trying to use the GLTools library with glew and wglew to make a OpenGL windows screensaver. Something is going wrong with ShaderManager.InitializeStockShader(). I set up my windows rendering...
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    Thanks tonyo_au! I think you were right....

    Thanks tonyo_au! I think you were right. GLTriangleBatch was running out of memory. So, I decided to write code to render the mesh myself and now its working fine. It's even faster too. Well, thanks...
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    GLTriangleBatch messin' with my bunny mesh

    Hi guys. Got a little problem. I downloaded some meshes of a rabbit figure, wrote a program to render the meshes, and every mesh renders just fine until I get to the highest resolution mesh. Its all...
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    Cool! Thanks carsten! I'm gonna buy it.

    Cool! Thanks carsten! I'm gonna buy it.
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    Hi Alfonse. I would love to learn how to use...

    Hi Alfonse. I would love to learn how to use Photorealistic Renderman, but for now its way out of my price range. I think maybe I'll try to scale back what I'm attempting to do. I know OpenGL is...
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    Hi carsten. Its hard to explain beyond what I...

    Hi carsten. Its hard to explain beyond what I have already said. Image quality is what I'm after. What I would like to do for example is take a mesh data file produced from a scan of an object, draw...
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    OpenGL 3D Picture Composition Tutorial

    Does anyone know of a website where a good tutorial on 3D picture composition using OpenGL can be found? You know, where you take a 3D mesh data file containing the coordinates of vertices and their...
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    Controlling Framerate

    Hi everybody. I just finished programming an OpenGL screensaver for Windows and I like the speed it runs at on my computer. But my computer is six years old. I'm concerned it may run a little too...
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    Hi Shinta. I just wanted to tell you I got it...

    Hi Shinta. I just wanted to tell you I got it working. Thank you again for all your help!
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    Thank you so much Shinta. If all else fails I'll...

    Thank you so much Shinta. If all else fails I'll try to make use of this, but I really would like to figure out where I'm going wrong in my code and get my program working. It'll take a little bit of...
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    Well, I tried making a WndProc function for the...

    Well, I tried making a WndProc function for the child window and it still doesn't work. The same thing is happening. I'm about at my whits end here guys. Any ideas as to where I might be going wrong?...
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    To clarify, when I create the child window for...

    To clarify, when I create the child window for preview mode does it have to have its own WndProc function?
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    Hi BionicBytes. I think I might know what the...

    Hi BionicBytes. I think I might know what the problem is. When I create my window do I have to register it with a whole new WndProc function? I'm new to windows programming as well as OpenGL so...
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    Hi BionicBytes. Thanks for responding. Yes, I do...

    Hi BionicBytes. Thanks for responding. Yes, I do have a handle to the preview window. I checked it and its valid. I'm also getting a valid rendering context. I checked that too. I tried putting a...
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    OpenGL Screensaver Hardships

    Hi guys. I know I'm not supposed to do this, post questions that belong in a different section of the forum, but I thought maybe some of you would know a thing or two about OpenGL programming with...
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    Hey Shinta. I discovered a major oversight on my...

    Hey Shinta. I discovered a major oversight on my part. I wasn't setting a pixel format in the child window. I feel like a moron! Now I am setting a pixel format and the rendering context is valid....
  19. Thanks mhagain. That's something I had not...

    Thanks mhagain. That's something I had not considered. I'll look into it. Hey, do you guys have a windows live messenger account. It would be cool to have a couple of contacts to message with who are...
  20. Well, I'm actually doing the scaling of the...

    Well, I'm actually doing the scaling of the screen image in my initRendering function. Why would gluScaleImage be inappropriate during run-time?
  21. Oh, one other thing, just thought I'd post a link...

    Oh, one other thing, just thought I'd post a link to the algorithm I found online. Here it is:

    http://tech-algorithm.com/articles/nearest-neighbor-image-scaling/
  22. Cool! Thanks V-man! I also discovered an...

    Cool! Thanks V-man! I also discovered an algorithm, probably older than I am, that uses nearest-neighbor sampling to accomplish scaling up or down of an image. Thank you for all your help.
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    Hi again Shinta. I found the mistake that was...

    Hi again Shinta. I found the mistake that was hanging my computer. I decided I was going to see if I could simply change the preview window white before trying to grab a desktop image and do...
  24. Grab the screen, make a a smaller version of it in a texture

    Hello everyone. This is what I would like to accomplish: Use glReadPixels to grab what's currently on the screen into a texture and then shrink that texture by a certain factor. The degree to which...
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    Getting started with OpenGL 3.3

    Hello everybody. Up and until now I've been using OpenGL 1.1 when doing graphics programming. I had an old crappy graphics card which limited me to version 1.1 Also, I was afraid to venture higher...
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