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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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IDirect3D9::GetAdapterCount wont find my second video card

My laptop has two video cards, a high powered NVIDIA one and an onboard Intel one. When I call IDirect3D9::GetAdapterCount however, it only finds the onboard Intel one, probably because the high powered one is being hidden. I'm able to go into my…
baddie
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what's to do with "GPU not found. Falling back to CPU device"

Just downloaded AMD-APP-SDK-v2.5-RC2-lnx32, why i got this: GPU not found. , when i try to execute a sample program ? %> ./AESEncryptDecrypt Platform 0 : Advanced Micro Devices, Inc. Encrypting Image .... Input Image : input512.bmp Key : 15 201 51…
daisy
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Visual Studio 2010: Use hardware graphics acceleration if available

My Via/S3G UniChrome Pro IGP does not support hardware acceleration in Visual Studio 2010. What kind of graphic cards (i.e. the specific features) do support this hardware acceleration?
user774411
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How can I tell if my laptop can do 4k resolution? (Using Linux Mint)

I am thinking about getting a new monitor. Short of plugging one in and seeing what happens, how can I tell if my laptop can output 4k resolution? Is there a command I can run that will tell me this? I thought maybe I could xrandr, but I think that…
Eric Seastrand
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How prevent os to refresh the video memory

I need to implement an application which can freeze the screen image while, at the same time, all the application work as normal, except they are not reflected on the screen. It may need to prevent all the applications to write data into the video…
sparrow
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Emulate OpenGL on machine with standard VGA graphics

So, we've got a little graphical doohickey that needs to run in a server environment without a real video card. All it really needs is framebuffer objects and maybe some vector/font anti-aliasing. It will be slow, I know. It just needs to output…
FlavorScape
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Accessing intel graphics card registers through I/O space and MMIO in UEFI

I am trying to write a code sequence, that will switch my intel graphics card into the legacy VGA mode after a call to Exitbootservices() in my uefi nasm bootloader. In order to do that I am to change some values in my graphics card's registers. My…
adivanced
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Why is the string split when outputting ASCII strings in MBR?

In the MBR program, the following code is used to print "Hello world" to the screen: section MBR vstart=0x7C00 mov sp, $$ ... ; Set the memory address of the graphics card to the ES register. mov ax, 0xB800 mov es, ax ... …
aszswaz
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Video card: get Shared system memory and total available memory in c#

How to get the following information: shared system memory, total available memory and system video memory for my graphics card in c sharp?
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Video card programming without BIOS interrupts

Currently, I need to create custom OS to test some ideas. My question is: How to set resolution of video card without interrupts? My system supports multiboot standard and kernel starts in protected mode, so I probably cannot use BIOS services. I…
nintyfan
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The process of creating new openGL versions?

After reading some of this online book, http://learnopengl.com/book/offline%20learnopengl.pdf, some questions started to pop up in my head concerning how exactly newer versions of openGL are created. According to this online read, graphics card…
Jason
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graphics card getting activated during video? A test using a java (Processing) program

I have an application I was running that I created with Processing where I was drawing a lot of objects to the screen. Normally the sketch runs at 60 fps and predictably when a lot of stuff is drawn to the screen, it starts to reduce. I wanted to…
user3772547
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Access violation problems in OpenCL C++

I tried to get list of platforms beform calculating: vector platforms; cl::Platform::get(&platforms); but have an exception: unhandled exception in "0x00000000" in "Test.exe": 0xC0000005: Access violation. I have Radeon Mobility HD…
Pavel
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Clarification on GPU bandwidth in relation to PCI Express slots transfer rate (v1.x - x16)

Just need some clarification on GPU bandwidth in relation to the PCI Express transfer rate. It will help me understand how graphic cards actually work... So to calculate the bandwidth: Memory Speed x Bus Width / 8 = Bandwidth (B/s) So if my…
harnamc
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Does Linux X-Server directly access GPU memory?

My main question is there piece of code running in X-Server process memory (Excluded drivers - which we all know can be written in different manners) is directly accessing memory in GPU card? Or it employs drivers and drm, or any other interface for…
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