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• Less graphics power all the sudden (Intel HD 3000)

  - by queueoverflow

  I have a Intel Sandy Bridge i5 with the HD 3000 graphics card. I used to be able to play Urban Terror and Nexuiz comfortably with 85 and 60 frames per seconds until mid/end of October 2012, the former even on a full HD display with that many frames. Now I have around 30 to 45 on the smaller laptop screen and around 20 to 30 on the external monitor. Did something happen to Kubuntu 12.04 so that it has less graphics performance than previously? Update I looked into the system monitor and could not detect anything being at the maximum. The four CPU cores were pretty much bored, the 8 GB RAM were filled with maybe 2 GB. And I ran intel_cpu_top and did not notice anything at its limit. See the output. after Kernel bisecting I now did a kernel bisect and tried 3.2.0-23, 3.2.0-27, 3.2.0-29 and 3.2.0-30 and all had full graphics power. Interestingly, I then had full power when I just booted back into the regular 3.2.0-32 kernel. This does not make sense to me …

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• Can't get my graphics driver (GMA 3150) to work

  - by bracus

  I've been searching like crazy trying to find a fix for this, it's the only thing that's not completely working on my setup. I see posts where people say it should be working but it just isn't. I have a Gateway LT2802u netbook and I installed 11.10 on this 2 days ago. Everything works except for accelerated graphics. At first I couldn't watch a simple flash video at all, but somehow I got it to work. Now the last problem I have is I can't watch HD videos, my screen resolution won't go higher than 1024x600, and my under my graphics driver it says "Unknown". After doing as much research as possible, I've come to the conclusion that it's the GMA 3150 graphics driver. There is a bunch of talk on it all over the interwebs but nothing lately. I've tried the fixes that some people have used but most when I try to get the package it's no longer there or available if that makes sense. I'm loving everything Ubuntu has to offer but it'll really bite if I can't use it any more because of this problem. Does anybody have any ideas? You'd really be helping a lot.

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• How to install Radeon Open Source Driver in Ubuntu 12.04

  - by Clintonio

  I have an MSI Radeon HD 7850 card. MSI provide no Linux support, and the AMD driver gives me an Unsupported Hardware watermark that does not show up in screenshots. I uninstalled the proprietary driver and found that Unity 3D no longer works, and I really only picked Ubuntu because of the excellent shortcuts provided in the recent versions. Trying to locate the open source driver has been a pain for me. According to the documentation I have read it is pre-included in Ubuntu 12.04, yet there is no Unity 3D support. I tried using the newest drivers from AMD's website, but that also had the watermark. Does anyone know how I can get the open source driver? If not, does anyone know how to remove the watermark. I'm on the verge of going back to Windows.

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• Windows 8, NVIDIA graphics recognition fails

  - by Roy Grubb

  I just installed Windows 8 Pro OEM 64-bit (clean install) and it won't properly recognize my graphics adapter. When I installed Win8, it automatically installed the BasicDisplay.sys driver dated 6/21/2006. 6.2.9200.16384 (win8_rtm.120725-1247). Hardware - Mobo:MSi G41M-P33 Combo CPU:Intel CoreDuo 6600 Graphics:NVIDIA GeForce 9400GT *OS* - Windows 8 Pro 64-bit OEM The graphics adapter worked fine in Windows XP. The PC is a generic box, bought locally and its mobo failed recently, so I replaced it with the G41M. Microsoft wouldn't let me re-activate Windows XP with a different mobo, so I installed Win8, which appears to work except as described next. Win8 only partially recognizes the graphics adapter and won't allow NVIDIA latest driver installer to see that it's an NVIDIA card. As a result, OpenGL doesn't work, and this is needed by the software I most use. Other than that the graphics look OK. When I say 'partially recognizes', I mean that via the Control Panel, I can see that the adapter is described as NVIDIA, but the driver remains stuck at Microsoft Basic Display Adapter no matter what I try, including "Update driver..." in adapter properties. Display Screen Resolution Advanced Settings Adapter shows: Adapter Type: Microsoft Basic Display Adapter Chip Type: NVIDIA DAC Type: NVIDIA Corporation Bios Information: G27 Board - p381n17 Don't know what this means ... no mention of 9400GT Total Available Graphics Memory: 256 MB Dedicated Video Memory: 0 MB In fact the adapter has 512MB on-board video memory. System Video Memory: 0 MB Shared System Memory: 256 MB And Control Panel Device Manager Display adapters just shows Microsoft Basic Display Adapter. No other graphics adapter, and no unknown device or yellow question mark. What I have tried so far: 1. Cleared CMOS and reset. Updated BIOS and all mobo drivers as follows: 1st I used Driver Reviver to see if any driver updates were required. It found some but I didn't use that to get the drivers. Then I switched to MSi's own mobo driver utility Live Update 5. This also showed the board needed to update several so I used it to fetch the new drivers. After that it showed that everything was up to date and I checked with Driver Reviver again, which also reported no drivers now needed updating. Rebooted. Went to the NVIDIA site to get the latest graphics adapter driver. Their auto-detect "Option 2: Automatically find drivers for my NVIDIA products" said "The NVIDIA Smart Scan was unable to evaluate your system hardware. Please use Option 1 to manually find drivers for your NVIDIA products." So I downloaded 310.70-desktop-win8-win7-winvista-64bit-international-whql.exe, which lists 9400 GT under supported products, but when I run it, it says: "NVIDIA Installer cannot continue This graphics driver could not find compatible graphics hardware." Connected the display to the on-board Intel graphics (G41 Intel Express), removed the NVIDIA card and rebooted, changed to internal graphics in CMOS. Again it installs the MS Basic Display Adapter, and can't properly run my s/w that needs OpenGL. It runs on other machines with Intel Express graphics (WinXP and 7) Shut down and pulled out the power cord. Held start button to discharge all capacitors. Removed and re-inserted NVIDIA adapter in PCI-E slot and made sure properly seated. Connected the monitor to the card, screwed plug to socket. Reconnected power cord. Started and checked in BIOS that Primary Graphics Adapter was set to PCI-E. Started Windows. Uninstalled MS Basic Display Adapter in Device Manager. Screen blanks briefly, reappears. No Graphics adapter entry was then visible in Device Manager. Restarted PC. MS Basic Display Adapter Visible again in Device Manager. Clicked in Device Manager View Show hidden devices. No other graphics adapter appears, no unknown devices. Rebooted. Tried Scan for Hardware changes. None detected. Tried right-click on MS Basic Display Adapter Properties Driver Update Driver... Search automatically. It replied that it had determined driver was up to date. I checked that there were no graphic driver-related entries in Programs and Features that I could delete (none). Searched for any other drivers with nvidia in their name and deleted them, just keeping the 306.97 installer exe file. Did a Windows Update. Ran GPU-Z which shows (main items): Microsoft Basic Display Adapter GPU G72 BIOS 5.72.22.76.88 Device ID 10DE - 01D5 DDR2 Bus Width 32 Bit Memory size 64MB Driver Version nvlddmkm 6.2.9200.16384 (ForceWare 0.00) / Win8 64 NVIDIA SLI Unknown in the drop-down at the foot, "Microsoft Basic Display Adapter" is the only option If I swap hard disks in that machine to one with a Ubuntu 10.4 installation (originally installed on the same PC), lspci shows "VGA compatible controller as NVIDIA Corporation Device 01d5 (rev a1) (prog-if 00 [VGA controller])" and "kernel driver in use: nvidia" I'm out of ideas for new things to try and would be really grateful of suggestions. Thanks!

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• Installing Windows Server 2003 on AMD environment

  - by santhosh kumar

  Hi all, Our organisation we have 25 computers and we are trying to setup Windows Server 2003. We are planning to configure Active Directory NAT DNS server Visual Studio Team Foundation Server Subversion (SVN) Trac (Bug tracking tool) FTP server And our Hardware configuration is AMD Athlon 64 X2 Dual (Core processor 5600+, 2.60 GHz) Asus motherboard (M2N series) Transcend 4 GB RAM (800 MHz) 500 GB Hard Disk (RAID enabled) But my colleague is advising me AMD won't suite for servers platforms, and use Intel environment. Also they telling we can't install all the services to one server. I got confusion what to do?... Is really can`t install above services to AMD computer? Thanks...

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• Gateway ZA8 Netbook graphics Issue

  - by Hansel

  The graphics keep tearing and are barely usable anytime I try to use my Netbook. And I did a full install with Ubuntu so I'm pretty much stuck. These are the specs of the Netbook: Processor AMD Athlon™ 64 L110 Single-Core Processor (1.2GHz, 800MHz FSB, 512KB L2 Cache)6 Operating System Genuine Windows Vista® Home Basic (32-bit) with SP1 Display 11.6" HD WXGA Ultrabright™ LED-backlit Display (1366 x 768 resolution, 16:9 aspect ratio)7 Memory 2048MB DDR2 533MHz SDRAM Single Channel Memory8 Hard Drive 250GB SATA hard drive2 Color Classic and Elegant Design with Cherry Red finish Wireless Network 802.11b/g Wi-Fi CERTIFIED®3 Adapter AC Adapter Application Software Microsoft® Works, Microsoft® Money Essentials, Microsoft® Office Home and Student 2007 (60-day complimentary trial period)1 Battery 6-Cell Lithium Ion (5200mAh) Chassis Chassis with ATI Radeon® X1270 Graphics and AMD RS690E Chipset8 Dimensions (Box) 3.1" (H) x 14.8" (W) x 10.1" (D) or 80mm (H) x 376mm (W) x 256mm (D) Dimensions (System) 1.03" (H) x 11.26" (W) x 7.99" (D) or 26.4mm (H) x 286mm (W) x 203mm (D) External Ports (3) USB 2.0, VGA Connector Keyboard and Mouse Keyboard with Multi-Gesture Touchpad Media Card Reader Multi-in-1 Digital Media Card Reader (Memory Stick®, Memory Stick Pro™, MultiMediaCard, Secure Digital™, xD-Picture Card™) Network 10/100 Ethernet LAN (RJ-45 port) What can I do?

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• Low Graphics and laggy screen after update to 13.10 from 13.04

  - by Wh0RU

  After updating from 13.04 to 13.10 many of 3D unity stuff has stopped working, I am suing Samsung Series 3 (NP350V5X) Laptop which has Switchable Intel and AMD Radeon HD 7670M GFX. xserver-xorg-video-ati does works but NO 3D support and graphics are very low. [I am currently using this] fglrx & fglrx-updates shows blank screen after Login. Intel Graphic Install doesn't work either (dependency error) Output of $ sudo lshw -c video *-display description: VGA compatible controller product: Thames [Radeon HD 7500M/7600M Series] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:45 memory:e0000000-efffffff memory:c0120000-c013ffff ioport:3000(size=256) memory:c0100000-c011ffff *-display description: VGA compatible controller product: 3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:46 memory:bfc00000-bfffffff memory:d0000000-dfffffff ioport:4000(size=64) Similarly $ /usr/lib/nux/unity_support_test -p OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.3, 256 bits) OpenGL version string: 2.1 Mesa 9.2.1 Not software rendered: no Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: no Shows no 3D support. Can anyone please guide how to make things working again.

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• Intel graphics Ubuntu 12.04.3 LTS: does not detect second monitor

  - by user206551

  I have some problems to get the second monitor working on my Ubuntu 12.04.3 LTS. If I click on the detect button it does not work. Info about my system: $uname -a Linux LabTop2 3.8.0-32-generic #47~precise1-Ubuntu SMP Wed Oct 2 16:22:28 UTC 2013 i686 i686 i386 GNU/Linux $cat /etc/*-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.3 LTS" NAME="Ubuntu" VERSION="12.04.3 LTS, Precise Pangolin" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu precise (12.04.3 LTS)" VERSION_ID="12.04" $lspci |grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) $lsmod | grep video uvcvideo 72250 0 videobuf2_core 39385 1 uvcvideo videodev 96131 2 uvcvideo,videobuf2_core videobuf2_vmalloc 12920 1 uvcvideo videobuf2_memops 13042 1 videobuf2_vmalloc video 19116 1 i915 $xrandr -q xrandr: Failed to get size of gamma for output default Screen 0: minimum 1366 x 768, current 1368 x 768, maximum 1368 x 768 default connected 1368x768+0+0 0mm x 0mm 1366x768 0.0 1368x768 0.0* Before upgrading the system, xrand -q showed my much more resolution options and the other monitor. I have tried to install intel-linux-graphics-installer but this version of ubuntu is not supported Any help will be apreciated!!

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• No sound after installing a new Graphics Card

  - by Dan

  I've just upgraded my graphics card to an Asus Geforce 210 and now my system has no sound. I've ran Update Manager and the Additional Drivers utility which installed the latest Nvida driver. The graphics card is connected to my TV via a DVI-to-HDMI (DVI at the PC end) cable for the visual connection, and an audio jack from my onboard soundcard for my audio connection. Any ideas on how to resolve this? I ran this command ubuntu-bug audio And it outputted this: You seem to have configured PulseAudio to use the "pci-0000_05_00.1" card, while you want output from "NFORCE - NVidia CK804". I've tired a bit of messing about with the audio settings but can't get anything to work.

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• Dell XPS 15 with Ubuntu 12.10 and HDMI working on hybrid graphics

  - by karolsojko

  So there is a lot of buzz about hybrid graphics being shitty and having a weak support. I'm currently considering buying a new laptop. Dell XPS 15 caught my eye. I will use it for work as well so I will need a large monitor for it connected by HDMI. The question is: has someone got a Dell XPS 15 and can confirm that hybrid graphics support is working fine on 12.10 with no issues on the HDMI. I ask this because all the buzz about the subject stops on 12.04 - does this mean that it's all ok now :) ?

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• Lubuntu 14.04 graphics problem on portege r100

  - by user286069

  first of all I have to say that I am not an expert. I have installed Lubuntu 14.04 on my Portege R100. The problem is that the graphics session does not start. Actually I can do all but only by command line. I try to start Xsession but nothing happens. Actually by typing startx the system stop to works. I read several threads on this topic but I did not find such kind of problem. There is something similar about portege r100 concerning lowgraphics mode but the porblem I have seems to be different because graphics session does not start. Can anyone help me ? Thank you Best

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• No HDMI output on 12.10, Intel HD graphics (Ironlake)

  - by Veazer

  I am unable to get any output to my external monitor on 12.10. The monitor is recognized and shows the native res (1920x1080, correct) but enabling has no effect. Graphics chipset is Intel Ironlake (Arrandale). I have tried: Full system update after installing Oibaf PPA updated drivers (https://launchpad.net/~oibaf/+archive/graphics-drivers) Enabling SNA Kubuntu 12.10 (in addition to Ubuntu 12.10) Both were fresh installs. Nothing works, any troubleshooting ideas? Everything is fine on 11.10. UPDATE 1: Also tried using Intel drivers from Xorg-Edgers PPA (https://launchpad.net/~xorg-edgers/+archive/ppa) Still no output on HDMI.

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• Ubuntu 12.04 fails to find Intel HD Graphics 3000

  - by user69785

  On my Windows 7 installation an Intel HD Graphics 3000 card/driver shows. However in Ubuntu 12.04, System ? Administration ? Hardware Drivers shows no proprietary drivers available for the system. I have tried running the following: sudo apt-get install mesa-utils Which results in the graphics driver incorrectly identifying itself as Sandy Bridge Mobile. Running the following results in no change sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update && sudo apt-get upgrade sudo reboot Does anybody have any information on this behavior?

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• Graphics problems: noise-like glitch, and screen freezes in Ubuntu 13.04

  - by user207253

  I have recently upgraded to 13.04 and am using unity. I am experiencing two intermittent problems with the graphics: 1) All or part of the screen is taken up by 'noise', which lasts for about a second, see screenshot: 2) The launcher panel freezes. I can still move the mouse and the keyboard responds to function keys (I can dim the screen), but I cannot select anything. At the moment I recover by ctr-alt-f1, and restarting lightdm. My computer is a Samsung Chronos 7 laptop, model NP700Z5C, with Intel HD 4000 graphics The same problems occur with lightdm and gdm. I have attempted to install the intel drivers (as the screenshot hints) but these are not indicated as additional drivers in software & updates so I'm not sure whether they are in use. Any suggestions?

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• HD 6770M low graphics mode after update (AGAIN)

  - by Pihkal

  I have Ubuntu 12.04 LTS (re)installed on this laptop: I've also installed the fglrx-drivers for my ATI card (using apt-get),it appeared to work fine,that is until i updated my distro. Once again i got the "low graphics mode" error when i booted into the new kernel,booting in the old kernel works fine however. When i look into the logs i see "no screen found". This is the second time i install Ubuntu and the second time i run into problems with my graphics. Reinstalling isn't a solution since the problem keeps comming back. My question now is: does anyone know a REAL solution for this issue ar at least knows what's causing it? Any help would be greatly appreciated.

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• Best Graphics card (Setup) for three, high-res monitors attached to desktop

  - by nomrasco

  I have been looking around a little bit, but most of the discussions are about problems with already existing systems (particular graphics card and setup etc.). I would like to ask what would be the best option for me if I want to build powerful desktop with triple monitor setup. I have one Dell UltraSharp U2713HM (27 inches, 2560x1440) and I was thinking about getting two more. Would it be possible to have those three working with ubuntu (kubuntu) on any graphics card out there today? What is the best option if it comes to choosing particular model? Should I use proprietary drivers or some open sourced ones? I am not a gamer. I mostly develop on my machines and running some computational tasks, but I would rather like to spend some more money and have setup where I don't see any lags :) thank You very much in advance! Darek

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• Dual CPU Socket Motherboard for AMD Phenom II X4

  - by Jonas Gorauskas

  I have my eyes on the AMD Phenom II X4 955 Black Edition Deneb 3.2GHz at NewEgg. I want to build me an 8 core machine. Is there any motherboards out there that will take 2 of these AMD beasts? The best thing I can find so far is this, which has only one socket... Thanks in advance for any tips.

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• AMD processors witn graphics card bundled [closed]

  - by shybovycha

  Sorry for posting this question here - just don't know to which StackExchange website i should be writing. I've heard AMD created processors with video card bundled. So now these processors should work as fast as just usual processors with discrete video card but AMD's ones should use less power and spread less warm. Some googling around gave me the result like "AMD processors of A-series". They were mentioned to be build using that technology i described above. But on the other hand, we have a small rate of publishing and not-very-good quality of AMD drivers. I am a game-developer and web-developer so i need a powerful processor and graphics card and a lot of RAM on board (to make it possible to create a sample Grails application, for example or to create some 3D models in Maya/Cinema4D, for instance). Still i want my battery to be a long-living one, so power usage is a bit critical for me. So, my questions are: are there any processor building technology like i've described and which series they are (if they exist)? which processor shall fit the laptop the best: AMD one or i5/i7 on with nVidia graphics card for the purposes mentioned above?

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• Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe driver tg3 will not install?

  - by Pete

  aries@aries-laptop:~$ sudo ifconfig eth0 up eth0: ERROR while getting interface flags: No such device aries@aries-laptop:~$ lspci -nn 00:00.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1705] 00:01.0 VGA compatible controller [0300]: ATI Technologies Inc Device [1002:9641] 00:01.1 Audio device [0403]: ATI Technologies Inc Device [1002:1714] 00:04.0 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:1709] 00:06.0 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:170b] 00:11.0 SATA controller [0106]: Advanced Micro Devices [AMD] Device [1022:7800] (rev 40) 00:12.0 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7807] (rev 11) 00:12.2 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7808] (rev 11) 00:13.0 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7807] (rev 11) 00:13.2 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7808] (rev 11) 00:14.0 SMBus [0c05]: Advanced Micro Devices [AMD] Device [1022:780b] (rev 13) 00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] Device [1022:780d] (rev 01) 00:14.3 ISA bridge [0601]: Advanced Micro Devices [AMD] Device [1022:780e] (rev 11) 00:14.4 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:780f] (rev 40) 00:16.0 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7807] (rev 11) 00:16.2 USB Controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7808] (rev 11) 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1700] (rev 43) 00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1701] 00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1702] 00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1703] 00:18.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1704] 00:18.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1718] 00:18.6 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1716] 00:18.7 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1719] 01:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe [14e4:16b5] (rev 10) 01:00.1 SD Host controller [0805]: Broadcom Corporation Device [14e4:16bc] (rev 10) 01:00.2 System peripheral [0880]: Broadcom Corporation Device [14e4:16be] (rev 10) 01:00.3 System peripheral [0880]: Broadcom Corporation Device [14e4:16bf] (rev 10) 02:00.0 Network controller [0280]: Broadcom Corporation Device [14e4:4358]

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• Failed to get i915 symbols, graphics turbo disabled

  - by Optimus Prime

  I'm getting "Failed to get i915 symbols, graphics turbo disabled" error message after installing following softwares and few updates from Ubuntu. Django, Mysql server 5.5 Mysql benchmark And i have installed few updates for ubuntu. It was showing as Security Updates for Ubuntu. After installing Updates the update manager showed that i should restart the system. On restart i got following error message. " failed to get i915 symbols, graphics turbo disabled". So i tried the work around mentioned here (using the Live CD) ie add intel_ips to the blacklist echo "blacklist intel_ips" /etc/modprobe.d/blacklist.conf add i915 and intel_ips to /etc/modules echo -e "i915/nintel_ips" /etc/modules Now when start the system it freezes at Ubuntu splash screen. I'm using Ubuntu 12.04 LTS, on Dell inspiron N1040. I need to boot the system as i have spend lot of days configuring. Python and Django. Please help EDIT : OK when i restarted the system yesterday it magically turned on. Now i can view my desktop. But one problem, i can't mount any of the drives. It says failed to mount Drive. I'm also frequently getting "Ubuntu System Failure" Error Message.

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• 2D graphics - why use spritesheets?

  - by Columbo

  I have seen many examples of how to render sprites from a spritesheet but I havent grasped why it is the most common way of dealing with sprites in 2d games. I have started out with 2d sprite rendering in the few demo applications I've made by dealing with each animation frame for any given sprite type as its own texture - and this collection of textures is stored in a dictionary. This seems to work for me, and suits my workflow pretty well, as I tend to make my animations as gif/mng files and then extract the frames to individual pngs. Is there a noticeable performance advantage to rendering from a single sheet rather than from individual textures? With modern hardware that is capable of drawing millions of polygons to the screen a hundred times a second, does it even matter for my 2d games which just deal with a few dozen 50x100px rectangles? The implementation details of loading a texture into graphics memory and displaying it in XNA seems pretty abstracted. All I know is that textures are bound to the graphics device when they are loaded, then during the game loop, the textures get rendered in batches. So it's not clear to me whether my choice affects performance. I suspect that there are some very good reasons most 2d game developers seem to be using them, I just don't understand why.

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• Screen problems on 11.10 using VGA compatible controller 2nd Generation Core Processor Family Integrated Graphics Controller

  - by MorrisseyJ

  I am having problems with my display. The problem manifests as lots of screen artefacts, which seem to be worse in Unity than in Gnome 3, are worse after i have used suspend and are intolerable if i set myself up on a dual monitor. Specific issues include: icons disappearing, lines occurring all over the screen, the backgrounds of certain windows going another colour and window borders disappearing or being filled with text from other parts of the screen. The most annoying problem is lines of text disappearing from a host of word processing programmes (libreoffice, gedit, bluefish etc), as i type. In most circumstances the screen problem can be temporarily fixed (so that i can see the screen clearly) by either scrolling the text off the screen and then scrolling it back onto the screen, or highlighting the offending area of the desktop, by clicking and dragging. Errors on parts of the screen that don't seem to redraw (window borders (off the universal menu) or the screen area outside of a LO document, in print layout view, for example) can't seem to be fixed in a session. I am running 11.10, 64 bit on my Thinkpad x121e Display information is: description: VGA compatible controller product: 2nd Generation Core Processor Family Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:42 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:4000(size=64) There appear to be a few problems with the Intel graphics and Ubuntu but i am not sure if they are all the same. If anyone knows if this is a known bug it'd be great to know, otherwise i'll file a report. Should anyone know of a fix i would greatly appreciate hearing about it. Let me know if you need any more information. Thanks

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• Problem using graphics.h in Ubuntu

  - by blooooomer

  # include<stdio.h> # include<graphics.h> # include<math.h> using namespace std; int main(void) { int gd=DETECT,gm; int r,x,y,p,xc=320,yc=240; initgraph(&gd,&gm,NULL); cleardevice(); printf("Enter the radius "); scanf("%d",&r); x=0; y=r; putpixel(xc+x,yc-y,1); p=3-(2*r); for(x=0;x<=y;x++) { if (p<0) { y=y; p=(p+(4*x)+6); } else { y=y-1; p=p+((4*(x-y)+10)); } putpixel(xc+x,yc-y,1); putpixel(xc-x,yc-y,2); putpixel(xc+x,yc+y,3); putpixel(xc-x,yc+y,4); putpixel(xc+y,yc-x,5); putpixel(xc-y,yc-x,6); putpixel(xc+y,yc+x,7); putpixel(xc-y,yc+x,8); } getch(); closegraph(); } installed graphics.h compiled using gcc filename.cpp -0 filename -lgraph then used ./filename the window apperared for 10 seconds and the error below appears: [xcb] Unknown sequence number while processing queue [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. heart: ../../src/xcb_io.c:273: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. Aborted Any solutions?

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• System in low-graphics mode

  - by Artem Moskalev

  I am totally new to Linux, and Ubuntu. I bought ASUS X53E Notebook, erased Windows and installed Ubuntu. First it worked ok. Then when I started working with it, i opened the terminal, entered sudo chmod 666 usr and then all the icons from the main panel disappeared + the whole system stopped responding. I decided to restart the system. When restarted, a message appears: the system is running in low graphics mode and below it: Your screen, graphics card and input device setting could not be detected correctly. You will need to configure it yourself. But the "OK" button is disabled and if I press any buttons nothing happens. If I enter Ctrl-Alt-F2 it opens the bash terminal. But there commands sudo or apt-get are not found and it says that permission denied if i try to enter any folder like cd /usr If I enter the su command it asks for the password I don't know. When encountering this problem first, I reinstalled the whole Ubuntu. but today it happened again just the same. What shall I do? maybe there is something wrong with the hardware? If I need to install another distribution of Linux could you recommend one? but I'd rather stick to Debian releases like Ubuntu. so how do I fix the problem? PS: Please give answers in simple terms because am a newbie so i don't know what goes where yet.

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• Collision and Graphics integration

  - by Shlomi Atia

  I'm a little confused about the integration between collision and graphics. They both need to share the same position in the world. The most obvious choice is the center of the entity, which is good for bounding volumes and fixed sized sprites. However, for characters with variable height size sprites like this: http://gamemedia.wcgame.ru/data/2011-07-17/game-sprite-sheet.jpg This is no longer good. The character won't align to the ground if I'll draw it from the center. I can just make the sprites the same height, but it will be a waste of memory (the largest sprite is 4 times larger then the smallest one). Even then, this is not an option at all with skeletal sprites like this one: http://user-generated-content.java-gaming.org/img-vault/212a171fc1ebb27ab77608fb9b2dd9bd9205361ce6300b21a7f8d06d025fbbd8.png It seems that the graphics need to be drawn from the ground for characters, but not for other images such as scenery and obstacles. The only solution I could think of was having another position called draw-position, which is the entity center for images, and is the the bottom of the collision volume for characters. Then when I draw relative to that position, it should work properly. I haven't found any references for something like that, so I'm kinda insecure about it. Does anyone knows of a better approach for this problem? Thanks

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