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• Are there any reasons to use Legacy (2.X) OpenGL?

  - by user27886

  The benefits are well documented of the Modern OpenGL 3.X & 4.X API's, but I'm wondering if there are ANY benefits to keeping with the old OpenGL, Or if learning OpenGL 2.X is a complete waste of time now no matter what? Particularly I've wondered if using the OpenGL 2.X API is appropriate if the target platform had graphics hardware capable of only up to OpenGL 2.X. Would a driver update on said target platform allow programs compiled using the Modern OpenGL API's to be released on this old platform? If they both work, which would be faster? Thanks

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• Vmware 3D Acceleration Ubuntu 14.04

  - by Bowser5543

  I have installed Vmware Player 6.0.3 build-1895310. The problem I have is that when I run a Windows 7 Vm, it says that 3D support was disabled. (I can't read the exact report atm because it has a chance of crashing my machine.) I have the 3D support box enabled. Here is my graphics card: Mobile Intel® GM45 Express Chipset x86/MMX/SSE2. Can anyone tell me to install drivers or something? I can't find mine anywhere!

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• Ubuntu 11.10 to 12.04 results in loss of N network capability - how to restore?

  - by user74273

  On Ubuntu 11.10, I had zero issues with N network detection and speed. I cannot remember whether the old driver was iwlagn or iwlwifi. This was with Ubuntu repository Linux kernel 3.0.0-22. Upon upgrading to Ubuntu 12.04, iwlwifi is the available driver and while it detects N networks, upon connection, the speed is cripplingly low and DNS look-ups do not occur (impossible to browse). This is with Ubuntu repository Linux kernel 3.2.0-26. Please note that the 11n_disable flag for the iwlwifi module cannot work for me as I require N network access. Is there another solution? Perhaps, is there a way to easily patch the new kernel with the old wireless module (just copy-and-paste the iwlagn module into the new kernel source and re-compile)? Relevant hardware specs: Dell Inspiron N5110 Network Adapter: Intel® Centrino® Wireless-N 1030

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• I am new to game development, what do I need to know? [closed]

  - by farmdve

  I am unsure if this question is a duplicate, I hope it isn't. Are there any resources on the terminology when doing game development? Because, even if you tell me to learn some graphics API, how would I understand the things it does, if I am not well into the terminology(voxel,mesh,polygon,shading). What about the math that is involved in the game(geometry) or the concept of the gravity,collision detection in the game and their respective maths? I am very bad at math, never was good, because I have ADHD, but I won't give up just yet. I look at a game, and I see "textures", but how am I walking on them, how do they take substance so I don't fall off of them? And depth? This is what I need information about, not just a link to a library like SDL(which I have compiled under MinGW and MinGW-W64) and tell me to learn it and the cliché answer "start simple/small". I hope the question(s) are not too vague.

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• What's the best way to add some particle or laser effects to an already animated character?

  - by Scott

  I just purchased some rigged and animated robot characters from 3drt for a game I'm making in unity. I would like to be able to add some weapon effects to the characters. For example, I would like for the robots to be able to shot lasers out of the hands at enemies. I have know idea where to even start with this task as I'm more of a programmer than a graphics guy. Can some experienced developers / designers please point me in a good direction? Thanks. Note: As of right now I have maya and blender installed on my computer.

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• How to render Minecraft on the GPU?

  - by l0b0

  Hardware: Intel i7 AMD Radeon HD 6970 SSD with plenty of space 6 GB RAM Software OpenJDK 6, 7, and Oracle Java 7 (reproducible with all three) AMD Catalyst 12.8 and open source driver (reproducible with both) Ubuntu 12.04 x86_64 and older Minecraft 1.3.2 vanilla and older On this setup I am getting rubbish frame rates after a short while of playing, dropping from about 45-55 to 15 in a couple of minutes. CPU use is 40-45 even when rendering the opening screen at 1920x1280, and gameRenderer is using about 90% CPU when playing. Rather than trying to eke out a few more FPS out of an obviously broken rendering pipeline, I really hope to find a solution to make the GPU render Minecraft.

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• I`ve got some problems with new Acer Aspire S3

  - by xcariba

  I just got a new Acer Aspire S3 Laptop, and I've installed Ubuntu on it. Here is some problems: 1. Bluetooth (AR3012) can't find any devices. rfkill shows that everything is fine, but I still can't connect to any device. (Maybe it was turned off in stock windows?) 2. Can't change screen brightness (I've tried Timex's solution with new 3.2-rc kernel and some grub options, touchpad works fine,but I still can`t use Fn+Right/Left) 3. 720p video in all players(VLC, mplayer and totem) works wrong. I found some similar problems on intel video chips with vblank sync or something like that. Video plays as it should, but i always see a line which appears on action scenes (looks like some parts of a screen updates faster) Maybe there are some solutions from similar laptops that I can find? PS I've tried ubuntu 11.04 with old kernel and linux mint 12-rc with 3.2-rc2 kernel.

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• Is it possible to update my graphic card drivers?

  - by madmaxpt

  This is what the lspci -v command shows in the VGA compatible controller section: 00:02.0 VGA compatible controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller (prog-if 00 [VGA controller]) Subsystem: Dell Device 048e Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at f0200000 (32-bit, non-prefetchable) [size=512K] I/O ports at 18d0 [size=8] Memory at d0000000 (32-bit, prefetchable) [size=256M] Memory at f0000000 (32-bit, non-prefetchable) [size=1M] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 i915 is only compatible with OpenGL 1.4 and cannot use shaders and I'd like to use some Open GL 2.0 functionalities. Is it possible to update the drivers or is my hardware limited to OpenGL 1.4 ?

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• How do I read my PDFs and watch videos properly again?

  - by asp

  Whenever I watch videos, either online of local via Totem and/or open PDF files using evince. The system gets really, really bogged down. All apps get really slow, menus take forever to display, switching windows gives me time to make a coffee, etc. I have a couple of bug reports open on this, but what do I need to do to really troubleshoot the issue? I've purged Adobe Flash from the system, but YouTube HTML5 videos still have the issue. A bunch of PDFs saved locally trigger the problem. And to (temporarily) remove the slowness, I need to shutdown the computer, breath for a few minutes, then restart. A simple reboot does not do the trick. How can I identify the cause? This only started on 13.04. I've had Ubuntu on this machine for a year without a problem until "upgrading" to 13.04. I am not a programmer, but I suspect an issue with the Intel video driver.

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• in ubuntu 12.04 how may i know if my devices have it's driver installed??

  - by Aldo

  i have a dell N4110 laptop, and i want to know if the driver is installed and working well, something like the device manager in windows , or another way to know if a device is driverless or if the device might have a better driver, like my mousepad, in windows it have multi-touch gestures , that scrolls or zoom with two fingers (like an ipod) but in ubuntu it just works the right part as a scroll bar, so maybe it is installed one driver, but i need other one that uses well my devices. and the grphics card, i have not idea if it is well installed or isn't. i have a Intel 3000hd graphics card. thank you for your time. have a nice day people! =D

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• How to install & upgarde my Video Drive in presice?

  - by user71382

  Greeting all out here, So one helpful folk during a troubleshoot on VirtualBox told me that my graphic driver is too old. Code: 00:00:02.714 OpenGL Info: Render SPU: GL_VENDOR: Tungsten Graphics, Inc 00:00:02.714 OpenGL Info: Render SPU: GL_RENDERER: Mesa DRI Mobile Intel® GM45 Express Chipset x86/MMX/SSE2 00:00:02.714 OpenGL Info: Render SPU: GL_VERSION: 2.1 Mesa 8.0.2 In try to shot the problem, I got at http://intellinuxgraphics.org/2012.02.html But now I don't know how to proceed & what to download & how to install the latest driver for my video card ????????????/ Any help on the matter is appreciated. Thank you,Have a nice day, Mrinal

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• Oneiric updates cause "Window Creation Error" in Second Life client

  - by Yuttadhammo

  With the latest Oneiric updates, I've been unable to use Second Life, a virtual reality simulator, in Ubuntu. I assume it has something to do with the NVidia driver, since the error in the console says: WARNING: createWindow: LLWindowManager::create() : Error creating window. WARNING: LLViewerWindow: Failed to create window, to be shutting Down, be sure your graphics driver is updated I guess I could file a bug on Launchpad, but I'm not sure where to file it. Does anyone have any insight into what may be causing this problem? It was working fine a week ago, and older viewers (Imprudence viewer anyway) still work fine.

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• How to force GNOME panels et. al. to display on a different monitor without mirroring?

  - by GrueKun

  So, I recently purchased a new 23" monitor for my PC. However, I can't use it with the PC currently as I am waiting on a replacement heatsink. In the mean time, I wanted to use it with my Dell laptop. I hooked it up to the VGA port, and it seems to be working properly. However, I wanted to know if there was a way I could move all of the main display elements over to the attached monitor? I wanted to shut the LCD panel off on the laptop and hook it up like a desktop. Relevant specs: Ubuntu 10.10 x64 Intel graphics chipset The attached monitor is currently set as the default monitor. Any suggestions are welcome. :)

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• Install Ubuntu on iMac 21.5" (mid 2011)

  - by Mystic Mark le Maverick

  I has a dual boot system with MacOSX 10.8.2 and Microsoft Windows 7 Home Premium x64. I would like to install Ubuntu alongside the two existing operating systems for cross platform development purposes. My System specs are listed below. iMac 21.5-inch (mid 2011) Intel Core i7 @2.80GHz AMD Radeon HD 6770M Facetime HD Internet Camera Thunderbolt port Wireless Airport adapter card Apple 8x Superdrive Apple Magic Mouse and wired keyboard with numeric keypad Will rEFIt install properly on my machine too? Thanks you very much for the help.

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• Problem installing libva (VAAPI), vainfo fails

  - by satuon

  I'm following a wiki on how to make VLC use the GPU in the Core i3 integrated graphics chipset, but I'm stuck at one of the first steps, installing VAAPI. I installed libva1 and vainfo by using "sudo apt-get install libva1 vainfo", but when I run vainfo it says libva: libva version 0.32.0 libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/dri/i965_drv_video.so libva: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit It should say VAProfileH264High : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD according to the wiki. /usr/lib/dri/i965_drv_video.so doesn't exist in my system, but I installed libva1 with apt-get.

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• Which is the best low/mid level GPU in terms of compatibility for 12.04 and 12.10?

  - by Ghost

  I'm tired of dealing with the disaster that is catalyst on a 4xxx IGP and I want to buy some discrete graphics that support both Unity and alternative environments like GNOME3 and Mate-Cinnamon without getting sluggish. Besides that, 1080p video and some light 3D gaming. Again nothing crazy, I'm not a designer and I wont be using stuff like Blender. One thing I want to make clear is that I want a GPU that is 100% compatible, that means no bugs, no glitches, not having to toggle between propietary and Xorg because it decided to crapout on me. Thanks for your help

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• Wireless will not work in fresh ubuntu 12.04 lts installation

  - by Taake Manning

  I did a fresh Ubuntu 12.04 install on my Sony Vaio laptop, which worked perfectly with 10.04. Now my wireless won't work. I have read just about every Q&A on the subject and I have tried different solutions, including the official troubleshooting guides. My laptop is equipped with a Intel 5100 wireless device. Ubuntu recognizes the device and it's status is given as connected in nm-tool. I can ping the gateway, my own IP number and localhost. Rfkill shows no soft or hard blocks. Any ideas? I am just a few hours shy of reinstalling good old 10.04! Taake

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• W520 External monitor setup with Ubuntu 12.10

  - by user108372

  I just installed a fresh Ubuntu 12.10 64-Bit Desktop on my Lenovo W520. It looks like there are a lot of challenges around making it work with out of the box Nouveau drivers or propriety Nvidia drivers or Intel GPU. I looked at couple of notes on how to make it work with Bumblebee with Optimus Nvidia. None of them seems to work for 12.10. Anybody has a solid answer on this? It seems like a lot of people are suffering from this. Here is my xrandr output. Let me know if you need any additional information. Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 LVDS1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.0*+ 59.9 50.0 1680x1050 60.0 59.9 1600x1024 60.2 1400x1050 60.0 1280x1024 60.0 1440x900 59.9 1280x960 60.0 1360x768 59.8 60.0 1152x864 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) Thanks, Sef

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• How to install nvidia optimus driver on ubuntu 12.10?

  - by Adam

  I have followed http://ubuntuportal.com/2012/01/bumblebee-3-0-tumblewed-nvidia-optimus-gpu-switching-for-linux-has-been-released-how-to-install-bumblebee-3-0-on-ubuntu.html this guide to install nvidia driver on my Dell Inspiron N5110 notebook (Intel HD Graphics 3000 + NVIDIA GeForce GT525M), but i always get some error while i want to start any program with the optirun command. Terminal says: adam@Adam-LT:~$ optirun firefox [ 1482.559417] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver [ 1482.559517] [ERROR]Aborting because fallback start is disabled. My laptop cooler always cools the laptop, which means that nvidia card is consuming power in the background. (Terminal sometimes says something daemon-server is not running.) Can you give me some solution for this?

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• Dual monitor not working after an update

  - by Nimonika

  I did a package manager update yesterday and it turns out that my dual monitor setup has stopped working. I have poor vision so I really need to connect to a much bigger screen, but since yesterday, when I connect the screen to my laptop, the screen does not automatically reset itself to the laptop display. Even after lots of trial and error with the display settings, I am getting different dispalys on the laptop and external screen and right now only the big screen is active while the laptop has blanked out. Please can someone help me setup my dual screens for 11.10 properly. lspci -v | grep -i vga output 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller]

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• How do I fix the audio on my laptop. model Fujitsu B6220

  - by user89756

  I reinstalled Ubuntu 12.04 on my laptop because the Unity desktop was freezing. Reinstalling 12.04 seems to have fixed the freezing problem, but now the audio does not work. When I go to SettingsAudio and under the Output tab it only has the option for Digital Output. There is no option for Analog Output. The sound card show up under lspci as: "00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)" What would be the command to reinstall the audio subsystem? If that would fix it...

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• Screen gets garbled on some web sites

  - by user10565

  I have a Gateway notebook with graphics card 01:05.0 VGA compatible controller: ATI Technologies Inc RS690M [Radeon X1200 Series] with open source driver Linux version 2.6.32 -28 - generic. No other operating system on the computer. When I am using firefox to browse the web, everything normally works just fine except that when I attempt to access some particular web pages the screen completely messes up going mostly white with various streaks, etc., although I can access other pages of the same site without problems. When I run the cursor over the garbled screen, bits of the image recompose themselves, at least partially, and I can continue to open the applications window, or turn the computer off, or open the terminal, or take screen shots, etc., although all menus are unreadable. Also, when I zoom in on Google Earth the screen completely messes up. At all other times, there are no apparent problems. Any ideas?

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• Torchlight is missing some textures

  - by AKAGoodGravy

  I am using a Radon HD6850 and just bought the indi bundle. Torchlight is missing all face textures (and face textures only). I have had problems with shaders before (graphic would be displayed as black), but what I am seeing now is a simple removal of the texture, I can see through the head. The fps is fine on full graphics so it doesn't seem to be too much of a driver issue (I am using the drivers that came with ubuntu). I downloaded the game through the USC. Has anyone had this issue and managed to fix it? Running Ubuntu 12.04 LTS

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• Dual screen with JUST extended desktop

  - by c001os

  Im using a dual monitor set-up a lot, but i have a problem. I need to forbid to clone the dektop, i want to use just the extended desktop feature. Can it be done somehow? It's a problem because, when is start my system with two monitor it starts automaticaly with cloned desktop. When i use the hotkey to switch beatween monitors the same problem occours. Always going to the screen resolution options is pain in the *. I have a intel hd3000 videocard (sandy bridge) Thanx a lot

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• Intel Rapid Storage Technology (pre-OS) driver installation

  - by Nero theZero

  My desktop machine is built on Gigabyte GA-Z87-UD3H and Gigabyte provides the latest driver for Intel Rapid Storage Technology (IRST), which I installed after installing the OS. Same goes for my Lenovo Thinkpad-T420. And for both machine, checking the controller device under the IDE ATA/ATAPI Controllers section in Device Manager I see the driver has been updated to the latest version. I set the SATA controller to AHCI from BIOS On the desktop machine I have one WD 2TB BLACK & one WD 3TB Green I don’t use RAID, & no chance of using in near future, but according to Intel IRST improves performance in single disk scenario too. Now I have the following questions – What is the actual purpose of IRST (pre-OS install) driver that doesn’t get served with a post-OS driver that I installed? There must be some difference, otherwise there wouldn’t be a pre-OS version of the driver. Right? In the pre-OS procedure (loading the drivers at OS-installation time) after successfully completing the OS installation, do I need that post-OS driver? Because after installing from that one I got a quick launch icon that runs the IRST configuration application. Where do get that after installing the pre-OS driver? As it is “pre-OS”, when I load it at OS-installation time, does it updates anything at BIOS level or anywhere other than HDD? That’s because I’m going to dual boot Windows 7 with Windows 8.1, and after installing Windows 7 when I install Windows 8.1 & load the IRST driver for that, is there any chance of any “overwriting” or OS-incompatibility? In short, is there anything specific to follow while installing the second OS?

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