# \#opengl **URL:** https://forums.unrealengine.com/tag/opengl/2656.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Is OpenGL deprecated using ARCore with UE5.6? ](https://forums.unrealengine.com/t/is-opengl-deprecated-using-arcore-with-ue5-6/2678978)
**Author:** [@T.Onishi.Sony](https://forums.unrealengine.com/u/T.Onishi.Sony)\ **Replies:** 2\ **Last updated:** [March 12, 2026, 10:43am UTC](https://forums.unrealengine.com/t/is-opengl-deprecated-using-arcore-with-ue5-6/2678978 "2026-03-12T10:43:26Z")
Hello everyone. I have a question. I’m developing an AR application and trying out the ARCore sample to prototype it. I just download and build AR Sample, and I succeed it. But unchecking the “Support vulkan“ box in p… --- ## [How could I know which RHI is performing on the currently running device](https://forums.unrealengine.com/t/how-could-i-know-which-rhi-is-performing-on-the-currently-running-device/424599)
**Author:** [@YoungJun\_Eom](https://forums.unrealengine.com/u/YoungJun_Eom)\ **Replies:** 2\ **Last updated:** [July 29, 2025, 12:06am UTC](https://forums.unrealengine.com/t/how-could-i-know-which-rhi-is-performing-on-the-currently-running-device/424599 "2025-07-29T00:06:11Z")
some of devices doesn’t support Vulkan. if then UE4 automatically selects RHI as OpenGL ES. and in that case, I couldn’t know my app running on OpenGL ES or Vulkan So, is there proper way or correct way of getting cur… --- ## [Game crash with launch on mobile](https://forums.unrealengine.com/t/game-crash-with-launch-on-mobile/324853)
**Author:** [@skeleton60](https://forums.unrealengine.com/u/skeleton60)\ **Replies:** 2\ **Last updated:** [January 19, 2016, 6:59pm UTC](https://forums.unrealengine.com/t/game-crash-with-launch-on-mobile/324853 "2016-01-19T18:59:08Z")
When i try to launch my mobile game on my nexus 5, game crash, any map crash on launch any idea? :o Here is log from LogCat 07-11 14:26:06.669: D/UE4(25802): In the JNI\_OnLoad function 07-11 14:26:06.669: D/UE4(25802)… --- ## [Negative values in Render Target](https://forums.unrealengine.com/t/negative-values-in-render-target/330638)
**Author:** [@anonymous\_user\_f50088e8](https://forums.unrealengine.com/u/anonymous_user_f50088e8)\ **Replies:** 4\ **Last updated:** [September 25, 2024, 5:41am UTC](https://forums.unrealengine.com/t/negative-values-in-render-target/330638 "2024-09-25T05:41:12Z")
Hello, I’m currently using a Render Target for various rendering purposes (capture and export in .HDR files). I have several different passes made with the Render Target (standard passe, passe with only the ambient occl… --- ## [How to get Render target handle in Unreal (OpenGL)?](https://forums.unrealengine.com/t/how-to-get-render-target-handle-in-unreal-opengl/1733788)
**Author:** [@DennisDYWu](https://forums.unrealengine.com/u/DennisDYWu)\ **Replies:** 2\ **Last updated:** [April 24, 2024, 9:11am UTC](https://forums.unrealengine.com/t/how-to-get-render-target-handle-in-unreal-opengl/1733788 "2024-04-24T09:11:36Z")
Hi, I need some help. (Windows 10, UE 4.22, OpenGL, Nvidia RTX A4000) Is there any method let me to get the handle(pointer) of render texture? I need to feed this handle to opencl to do some caculation. In Unity, I … --- ## [Android OpenGLES 3.1 Stationary Directional Light dynamic shadows not working?](https://forums.unrealengine.com/t/android-opengles-3-1-stationary-directional-light-dynamic-shadows-not-working/456061)
**Author:** [@Juanmilanese](https://forums.unrealengine.com/u/Juanmilanese)\ **Replies:** 2\ **Last updated:** [March 4, 2024, 8:57am UTC](https://forums.unrealengine.com/t/android-opengles-3-1-stationary-directional-light-dynamic-shadows-not-working/456061 "2024-03-04T08:57:28Z")
I have a scene on Android, and when I put a Stationary Directional Light and bake everything, the Dynamic shadow part seems to not be there I have dynamic shadow distance for stationary lights on 10000 for testing purpo… --- ## [The big OpenGL ES3.1 question](https://forums.unrealengine.com/t/the-big-opengl-es3-1-question/376132)
**Author:** [@kornel.l.varga](https://forums.unrealengine.com/u/kornel.l.varga)\ **Replies:** 2\ **Last updated:** [September 23, 2023, 11:45am UTC](https://forums.unrealengine.com/t/the-big-opengl-es3-1-question/376132 "2023-09-23T11:45:52Z")
I have decided to open this thread to discuss here the current situation of OpenGL ES3.1 in UE4 After searching throughout on forums I have come to the conclusion that there is no ultimate description how to utilize ES3… --- ## [Planar Reflection OpenGL Clipping Plane Bug](https://forums.unrealengine.com/t/planar-reflection-opengl-clipping-plane-bug/366891)
**Author:** [@dgrieshofer](https://forums.unrealengine.com/u/dgrieshofer)\ **Replies:** 5\ **Last updated:** [October 12, 2022, 10:01am UTC](https://forums.unrealengine.com/t/planar-reflection-opengl-clipping-plane-bug/366891 "2022-10-12T10:01:24Z")
Expected (screenshot from DX11): Current (screenshot from OpenGL): EDIT: The global clipping plane required for planar reflections simply does not work in OpenGL: See my comment below. --- ## [Exporting to HTML5 and WebGL](https://forums.unrealengine.com/t/exporting-to-html5-and-webgl/453885)
**Author:** [@anonymous\_user\_340143c2](https://forums.unrealengine.com/u/anonymous_user_340143c2)\ **Replies:** 3\ **Last updated:** [August 13, 2022, 7:03am UTC](https://forums.unrealengine.com/t/exporting-to-html5-and-webgl/453885 "2022-08-13T07:03:25Z")
I’m not a game developer but a web developer looking to consume UE4 games in web pages. It appears that UE 4.22 exports to HTML targeting WebGL 2.0 specifically. WebGL 2.0 is not well supported by all mainstream browse… --- ## [Android Game has geometry flickering on PowerVR device](https://forums.unrealengine.com/t/android-game-has-geometry-flickering-on-powervr-device/469495)
**Author:** [@anonymous\_user\_bbcae9541](https://forums.unrealengine.com/u/anonymous_user_bbcae9541)\ **Replies:** 1\ **Last updated:** [May 24, 2022, 9:42pm UTC](https://forums.unrealengine.com/t/android-game-has-geometry-flickering-on-powervr-device/469495 "2022-05-24T21:42:00Z")
One of my users reported that my game build is flickering on their device. The device is LG K50S, which uses the Android\_PowerVR\_GE8xxx device profile. The device profiles have the default values, I didn’t tinker anyth… --- ## [Ue4/5 Graphics api on Xbox series X](https://forums.unrealengine.com/t/ue4-5-graphics-api-on-xbox-series-x/488053)
**Author:** [@anonymous\_user\_304206ae](https://forums.unrealengine.com/u/anonymous_user_304206ae)\ **Replies:** 0\ **Last updated:** [August 27, 2021, 5:40am UTC](https://forums.unrealengine.com/t/ue4-5-graphics-api-on-xbox-series-x/488053 "2021-08-27T05:40:37Z")
Which graphics API (DirectX) (Opengl) (Vulkan) etc. Does ue4 (mostly ue5) use on Xbox series X? I don’t care about ps5, just Xbox. --- ## [Ubuntu Vulkan and OpenGL problems](https://forums.unrealengine.com/t/ubuntu-vulkan-and-opengl-problems/458680)
**Author:** [@anonymous\_user\_32642fff1](https://forums.unrealengine.com/u/anonymous_user_32642fff1)\ **Replies:** 14\ **Last updated:** [August 12, 2021, 10:47pm UTC](https://forums.unrealengine.com/t/ubuntu-vulkan-and-opengl-problems/458680 "2021-08-12T22:47:36Z")
Hi Everyone. I tried both the latest stable and 4.24 bot got no success. I followed the guide, how to compile it on my Linux (Ubuntu 19.04), everything went smooth. Then when I start the engine, after a while (not imme… --- ## [No Support for older Android Smartfones in 4.25?](https://forums.unrealengine.com/t/no-support-for-older-android-smartfones-in-4-25/474245)
**Author:** [@Rucki](https://forums.unrealengine.com/u/Rucki)\ **Replies:** 2\ **Last updated:** [July 29, 2021, 9:57am UTC](https://forums.unrealengine.com/t/no-support-for-older-android-smartfones-in-4-25/474245 "2021-07-29T09:57:08Z")
My Smartfone Samsung J3 has only ES 3.0, although its from 2016 and I just realized that I cant test my app on my own smartfone, because UE4.25 isn´t supporting pre ES3.1 anymore ? Or is there anything I can do in 4.25 t… --- ## [SIGSEGV: invalid attempt to write memory with OpenGL](https://forums.unrealengine.com/t/sigsegv-invalid-attempt-to-write-memory-with-opengl/485810)
**Author:** [@M\_Sewtz](https://forums.unrealengine.com/u/M_Sewtz)\ **Replies:** 0\ **Last updated:** [July 8, 2021, 3:25am UTC](https://forums.unrealengine.com/t/sigsegv-invalid-attempt-to-write-memory-with-opengl/485810 "2021-07-08T03:25:47Z")
We have the problem, that since we upgraded to 4.26 we can’t launch anymore. (4.26.0/.1/.2, we tested all of them) We are working on opensuse 15.1 with latest NVidia drivers installed. When enabling Vulkan support, it … --- ## [Warning: OpenGL is no longer supported for desktop platforms.](https://forums.unrealengine.com/t/warning-opengl-is-no-longer-supported-for-desktop-platforms/480923)
**Author:** [@anonymous\_user\_d9206fab](https://forums.unrealengine.com/u/anonymous_user_d9206fab)\ **Replies:** 3\ **Last updated:** [March 27, 2021, 5:28pm UTC](https://forums.unrealengine.com/t/warning-opengl-is-no-longer-supported-for-desktop-platforms/480923 "2021-03-27T17:28:37Z")
Hey there, I was trying to change to Opengl instead of vulkan due to the memory issues. However I got this warning of opengl is no loner supported for desktop platforms. --- ## [Was the ability to target OpenGL3 removed?](https://forums.unrealengine.com/t/was-the-ability-to-target-opengl3-removed/447306)
**Author:** [@Don\_Roger](https://forums.unrealengine.com/u/Don_Roger)\ **Replies:** 2\ **Last updated:** [March 6, 2021, 7:55pm UTC](https://forums.unrealengine.com/t/was-the-ability-to-target-opengl3-removed/447306 "2021-03-06T19:55:03Z")
Hello. As I understand, prior to version 4.21 Unreal had the ability to package games targeting OpenGL3 RHI (and others). But I recently downloaded the 4.22 version of the engine and the extra RHI options disappeared. … --- ## [Building UE4 source to render in headless mode](https://forums.unrealengine.com/t/building-ue4-source-to-render-in-headless-mode/374634)
**Author:** [@SasMaster](https://forums.unrealengine.com/u/SasMaster)\ **Replies:** 3\ **Last updated:** [February 15, 2021, 8:49am UTC](https://forums.unrealengine.com/t/building-ue4-source-to-render-in-headless-mode/374634 "2021-02-15T08:49:21Z")
Hi.I would like to use UE4 in a headless mode.By “headless” I mean,that I want to render not to a display,but to a texture which I can then store to disc,send over network,etc.So the question is whether I have to hack in… --- ## [How do I run my packaged project in OpenGL?](https://forums.unrealengine.com/t/how-do-i-run-my-packaged-project-in-opengl/473989)
**Author:** [@ExpStealer](https://forums.unrealengine.com/u/ExpStealer)\ **Replies:** 2\ **Last updated:** [January 1, 2021, 1:05pm UTC](https://forums.unrealengine.com/t/how-do-i-run-my-packaged-project-in-opengl/473989 "2021-01-01T13:05:00Z")
Hello everyone! I made a basic calculator software prototype which my company will be testing to see if the benefits are enough to justify full development. I used UE4 because I cannot write code and blueprints allowed … --- ## ['Preview Rendering Level' has no option for OpenGL ES 3.1](https://forums.unrealengine.com/t/preview-rendering-level-has-no-option-for-opengl-es-3-1/476608)
**Author:** [@Linus\_Neuman](https://forums.unrealengine.com/u/Linus_Neuman)\ **Replies:** 0\ **Last updated:** [December 31, 2020, 1:11pm UTC](https://forums.unrealengine.com/t/preview-rendering-level-has-no-option-for-opengl-es-3-1/476608 "2020-12-31T13:11:33Z")
Hi, I’m currently trying out Android in UE4 for the first time. I can successfully build and package the third person example game onto my Android phone. However, I can not seem to change the Preview Rendering Level i… --- ## [Big opengl problem](https://forums.unrealengine.com/t/big-opengl-problem/476142)
**Author:** [@serhatakgl](https://forums.unrealengine.com/u/serhatakgl)\ **Replies:** 0\ **Last updated:** [December 19, 2020, 4:20pm UTC](https://forums.unrealengine.com/t/big-opengl-problem/476142 "2020-12-19T16:20:14Z")
The game works fine on my phone, but it couldn’t work on other phones. I saw this error: https://i.ibb.co/bvQsBvs/Ads-z.png I solved this error by doing this: https://i.ibb.co/FwhZwf0/bas.png Now I don’t get the error,… --- ## [Set OpenGL in TargetedRHIs](https://forums.unrealengine.com/t/set-opengl-in-targetedrhis/454943)
**Author:** [@anonymous\_user\_70a7fe3a](https://forums.unrealengine.com/u/anonymous_user_70a7fe3a)\ **Replies:** 8\ **Last updated:** [October 22, 2020, 6:31am UTC](https://forums.unrealengine.com/t/set-opengl-in-targetedrhis/454943 "2020-10-22T06:31:10Z")
Hello, Unreal doesn’t want to load my level in Vulkan so I’m trying to launch it with the -opengl flag but I’m getting the following error: Trying to force OpenGL RHI but the project does not have it in TargetedRHIs lis… --- ## [Is there a way to put back ES 2.0/3.0 on UE 4.25?](https://forums.unrealengine.com/t/is-there-a-way-to-put-back-es-2-0-3-0-on-ue-4-25/470439)
**Author:** [@YoshiCrystal](https://forums.unrealengine.com/u/YoshiCrystal)\ **Replies:** 0\ **Last updated:** [August 27, 2020, 11:43pm UTC](https://forums.unrealengine.com/t/is-there-a-way-to-put-back-es-2-0-3-0-on-ue-4-25/470439 "2020-08-27T23:43:43Z")
Hello, I accidentally updated my UE4 without reading the changes to the Android rendering and my project os updated as well, I would like to know if there is a way to put back this feature or downgrading versions. --- ## [How to find out new bone limit on mobile](https://forums.unrealengine.com/t/how-to-find-out-new-bone-limit-on-mobile/469668)
**Author:** [@momoSuper](https://forums.unrealengine.com/u/momoSuper)\ **Replies:** 0\ **Last updated:** [August 13, 2020, 3:37am UTC](https://forums.unrealengine.com/t/how-to-find-out-new-bone-limit-on-mobile/469668 "2020-08-13T03:37:47Z")
I find how to change the limit bone number on mobile from this post But there is a problem about how to choose the new limit number ? I find out that this limit is based on the max\_vertex\_uniform\_vectors value in open… --- ## [Error launching UE4 Debian](https://forums.unrealengine.com/t/error-launching-ue4-debian/464569)
**Author:** [@anonymous\_user\_1d73bd4a](https://forums.unrealengine.com/u/anonymous_user_1d73bd4a)\ **Replies:** 1\ **Last updated:** [June 13, 2020, 11:36pm UTC](https://forums.unrealengine.com/t/error-launching-ue4-debian/464569 "2020-06-13T23:36:57Z")
OS: Debian Buster Xfce4 CPU: Intel i3 550 3200 Mhz RAM: 4 GB GPU: nvidia GeForce 210 Hi, compiled UE4 on Linux after download the source.zip. After compiling I started engine/binaries/linux/UE4Game from terminal, it … --- ## [RHILockTexture2D returns garbage data with Vulkan on Linux](https://forums.unrealengine.com/t/rhilocktexture2d-returns-garbage-data-with-vulkan-on-linux/465824)
**Author:** [@anonymous\_user\_cf7dc2f8](https://forums.unrealengine.com/u/anonymous_user_cf7dc2f8)\ **Replies:** 1\ **Last updated:** [June 8, 2020, 1:17pm UTC](https://forums.unrealengine.com/t/rhilocktexture2d-returns-garbage-data-with-vulkan-on-linux/465824 "2020-06-08T13:17:45Z")
Hi, I’m trying to capture a coloured image from a camera using RHILockTexture2D like this - FRHITexture2D \*fast\_cap\_texture = fast\_rt\_resource\_-\>TextureRHI-\>GetTexture2D(); EPixelFormat pixelFormat = fast\_cap\_texture-\>G… --- ## [Android app crashes on most devices](https://forums.unrealengine.com/t/android-app-crashes-on-most-devices/465753)
**Author:** [@Cody10](https://forums.unrealengine.com/u/Cody10)\ **Replies:** 0\ **Last updated:** [May 24, 2020, 8:38pm UTC](https://forums.unrealengine.com/t/android-app-crashes-on-most-devices/465753 "2020-05-24T20:38:59Z")
hi , i just exported my game and i tested it on 3 phones and 2 emulators , and it crashes on 2 phones and the emulators , they have opengl es 3.1 and 3.2 how i can resolve it ? --- ## [Landscape issues on mobile](https://forums.unrealengine.com/t/landscape-issues-on-mobile/459934)
**Author:** [@anonymous\_user\_073763551](https://forums.unrealengine.com/u/anonymous_user_073763551)\ **Replies:** 0\ **Last updated:** [December 26, 2019, 8:15pm UTC](https://forums.unrealengine.com/t/landscape-issues-on-mobile/459934 "2019-12-26T20:15:08Z")
I’m having those weird lines on mobile renders (Open GL ES 2.0, 3.0) And this is how it is supposed to be: --- ## [Suppress OpenGL deprecated Warning - Mac](https://forums.unrealengine.com/t/suppress-opengl-deprecated-warning-mac/389754)
**Author:** [@nickyc95](https://forums.unrealengine.com/u/nickyc95)\ **Replies:** 4\ **Last updated:** [December 13, 2019, 11:15am UTC](https://forums.unrealengine.com/t/suppress-opengl-deprecated-warning-mac/389754 "2019-12-13T11:15:12Z")
When running on an older Mac OS, the application falls back to running OpenGL and displays a warning message explaining that it is deprecated; but allows you to continue and load it up. When submitting to Apple, the rev… --- ## [Cannot start Unreal Engine 4 in Linux](https://forums.unrealengine.com/t/cannot-start-unreal-engine-4-in-linux/459022)
**Author:** [@t0msk](https://forums.unrealengine.com/u/t0msk)\ **Replies:** 0\ **Last updated:** [December 1, 2019, 3:12pm UTC](https://forums.unrealengine.com/t/cannot-start-unreal-engine-4-in-linux/459022 "2019-12-01T15:12:37Z")
Hello, I just compiled Unreal Engine 4 on Arch Linux yesterday, then I installed it, and after installation I wanted to launch it and I get this message: Trying to force OpenGL RHI but the project does not have it in … --- ## [Android game crashes after splashscreen because OpenGL version doesn't support mipmaps (screenshot attached)](https://forums.unrealengine.com/t/android-game-crashes-after-splashscreen-because-opengl-version-doesnt-support-mipmaps-screenshot-attached/458918)
**Author:** [@Aurelius\_Varro](https://forums.unrealengine.com/u/Aurelius_Varro)\ **Replies:** 0\ **Last updated:** [November 28, 2019, 11:02am UTC](https://forums.unrealengine.com/t/android-game-crashes-after-splashscreen-because-opengl-version-doesnt-support-mipmaps-screenshot-attached/458918 "2019-11-28T11:02:59Z")
Just don’t know what does all this wall of text mean and how to fix it. The phone is Samsung Galaxy J7 2016 I would appreciate any help! [Next page](https://forums.unrealengine.com/tag/opengl/2656.md?match_all_tags=true&page=1&tags%5B%5D=opengl)