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Questions tagged [video-card]

A video card, display card, graphics card, or graphics adapter is an expansion card which generates a feed of output images to a display.

Most video cards offer various functions such as accelerated rendering of 3D scenes and 2D graphics, MPEG-2/MPEG-4 decoding, TV output, or the ability to connect multiple monitors (multi-monitor).

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Ctrl Alt F8 disconnects displays?

Learning debugging in PhpStorm and keep accidentally hitting Ctrl + Alt + F8. I use 3 displays this disconnects the two remotes and goes back to just the laptop. I cannot see this documented anywhere (running Win 10). The worst part is that hitting…
BeNice
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Get results of GPU calculations back to the CPU program in OpenGL

Is there a way to get results from a shader running on a GPU back to the program running on the CPU? I want to generate a polygon mesh from simple voxel data based on a computational costly algorithm on the GPU but I need the result on the CPU for…
danijar
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How to read GPU (graphic card) temperature?

I am interested in a way how to read GPU temperature (graphics processing unit, main chip of graphic card), by using some video card driver API? Everyone knows that there two different chip manufacturers (popular ones, at least) - ATI and nVIDIA -…
mr.b
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Off screen rendering when laptop shuts screen down?

I have a lengthy number-crunching process which takes advantage of quite abit of OpenGL off-screen rendering. It all works well but when I leave it to work on its own while I go make a sandwich I would usually find that it crashed while I was…
shoosh
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OpenGL Backward compatibility

I have purchased a graphics card which supports OpenGL 4.2. But I want to develop an application which should support OpenGL 2.0 Does my card will support OpenGL 2.0 apps(Backward compatibility)?? Then how to ensure backwards-compatibility I have…
started on node.js
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Force to use integrated (Intel) graphic card on Microsoft Hybrid system

I use Microsoft Desktop Duplication API and if my code runs on the Integrated (Intel) graphic card then everything works fine. But if I run on the dedicated card, I get an error. I found that Microsoft does not support this usage on a dedicated card…
Gergo
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How can I read the VESA/VideoBIOS "Mode Removal Table"?

Many sites and articles on getting widescreen monitors to work on notebooks in their native resolution mention something called the "Mode Removal Table" in the Video BIOS which specifically prevents certain video…
hippietrail
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glGenTextures segmentation fault?

So here is the problem: When I call glGenTextures I get a segmentation fault. I'm on linux, and here is the code I'm currently using to investigate this: #include #include #include #include int main(int…
EHC
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How can I read the GPU load?

I am writing a program that monitors various resources of the computer, such as CPU usage and so on. I want to monitor GPU usage (the GPU load, not temperature) as well. using System; using System.Collections.Generic; using…
Daniel Lip
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On iOS, how do CALayer bitmaps (CGImage objects) get displayed onto Graphics Card?

On iOS, I was able to create 3 CGImage objects, and use a CADisplayLink at 60fps to do self.view.layer.contents = (__bridge id) imageArray[counter++ % 3]; inside the ViewController, and each time, an image is set to the view's CALayer contents,…
nonopolarity
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Why does KMS drmModeSetCrtc() fail with permission denied while running in X11 session?

The title already implies the question, so what is blocking the execution from the sample program in this repo https://github.com/dvdhrm/docs/tree/master/drm-howto It's a simple program showing KMS in action, so I downloaded it, compiled it and gave…
Michael
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Possible to virtualize NVIDIA GeForce GTX 1070 Graphics Card for Distributed Tensorflow?

I am running Windows 10 on Intel Core i7-8700 CPU with 16 GB RAM, 1 TB HDD and dedicated NVIDIA GeForce GTX 1070 graphics card. I plan to launch 3 Ubuntu instances hosted by my Windows 10 PC. The Ubuntus will be running Distributed Tensorflow…
Anjum
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Desktop Duplication API & switchable graphics

The problem: calling IDXGIOutput1::DuplicateOutput method returns DXGI_ERROR_UNSUPPORTED when you run an application using discrete graphics controller on a machine with switchable graphics. This answer shed some light on the issue. In short, the…
cyril.andreichuk
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How to change 3rd monitor programmatically

When I'm using my laptop, I use 3 displays: The laptop display A second monitor (connected through VGA) A TV (connected through HDMI) My videocard doesn't support 3 monitors, so I'm constantly switching from 2 to 3: when I'm on the computer, I use…
Oscar Mederos
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Invert display colors by tweaking the video adapter

I'd like to know if it is possible to create a Windows program to invert all display colors by tweaking the video adapter directly, just like MacOS does in its "black-on-white mode". I am a C++ Windows developer and I have a degenerative disease on…
mpm
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