# Latest **URL:** https://community.khronos.org/latest.md [Latest](https://community.khronos.org/latest.md) · [Categories](https://community.khronos.org/categories.md) · [Tags](https://community.khronos.org/tags.md) --- ## [Welcome to the Khronos Forums](https://community.khronos.org/t/welcome-to-the-khronos-forums/7)
**Author:** [@system](https://community.khronos.org/u/system)\ **Replies:** 0\ **Last updated:** [March 17, 2019, 2:34am UTC](https://community.khronos.org/t/welcome-to-the-khronos-forums/7 "2019-03-17T02:34:21Z")
Welcome to the Khronos Forums. We hope that you will find the answers to all your Khronos Standards developement. Be sure you read the forum posting guidelines. The guidelines are there to you get the correct answer qui… --- ## [How to use edge detection formulas to parse still images (or motion images) into reusable assets (simulacrums of persons) to produce new animations of thus](https://community.khronos.org/t/how-to-use-edge-detection-formulas-to-parse-still-images-or-motion-images-into-reusable-assets-simulacrums-of-persons-to-produce-new-animations-of-thus/112715)
**Author:** [@SwuduSusuwu](https://community.khronos.org/u/SwuduSusuwu)\ **Replies:** 2\ **Last updated:** [October 27, 2026, 6:38pm UTC](https://community.khronos.org/t/how-to-use-edge-detection-formulas-to-parse-still-images-or-motion-images-into-reusable-assets-simulacrums-of-persons-to-produce-new-animations-of-thus/112715 "2026-10-27T18:38:23Z")
Version c601dd6 is shown (with the first iterations \d to match the 32000character allowance), with the wish someone produces Vulkan versions: How simple the job was to use computers to forge evidence back in the … --- ## [How to emulate coverage to alpha in vulkan](https://community.khronos.org/t/how-to-emulate-coverage-to-alpha-in-vulkan/112714)
**Author:** [@ennio.barbaro](https://community.khronos.org/u/ennio.barbaro)\ **Replies:** 0\ **Last updated:** [October 27, 2026, 6:20pm UTC](https://community.khronos.org/t/how-to-emulate-coverage-to-alpha-in-vulkan/112714 "2026-10-27T18:20:13Z")
Hello, I am porting an existing OpenGL 1.3 2D renderer to vulkan. This renderer uses GL\_POLYGON\_SMOOTH and GL\_LINE\_SMOOTH extensively. I am looking for a way to compute the (approximate) pixel coverage of a fragment. … --- ## [View .step file (or .iges) / convert .step to .obj](https://community.khronos.org/t/view-step-file-or-iges-convert-step-to-obj/66625)
**Author:** [@newsb](https://community.khronos.org/u/newsb)\ **Replies:** 14\ **Last updated:** [October 27, 2026, 4:01pm UTC](https://community.khronos.org/t/view-step-file-or-iges-convert-step-to-obj/66625 "2026-10-27T16:01:07Z")
Dear all, I made a 3D CAD drawing in Pro/Engineer. I tried to export to IGES, STEP and Wavefront Obj - however, the obj-file was ugly, because I think it only exported the solids (and not the surfaces). The iges/step-fi… --- ## [Vulkan for Sound](https://community.khronos.org/t/vulkan-for-sound/112434)
**Author:** [@Kyoungmun](https://community.khronos.org/u/Kyoungmun)\ **Replies:** 10\ **Last updated:** [October 27, 2026, 1:59pm UTC](https://community.khronos.org/t/vulkan-for-sound/112434 "2026-10-27T13:59:32Z")
Hello, Can we have Vulkan for Sound for future Vulkan SDK release? How about this idea --- ## [How to phrase questions to synthetic neural tissues to produce source code](https://community.khronos.org/t/how-to-phrase-questions-to-synthetic-neural-tissues-to-produce-source-code/112708)
**Author:** [@SwuduSusuwu](https://community.khronos.org/u/SwuduSusuwu)\ **Replies:** 2\ **Last updated:** [October 27, 2026, 9:11am UTC](https://community.khronos.org/t/how-to-phrase-questions-to-synthetic-neural-tissues-to-produce-source-code/112708 "2026-10-27T09:11:52Z")
Suggestion is to switch the discussion to calculus of the topics which are used, then from calculus to the specific syntaxes of source codes, which this discussion with Google AI Mode shows. 2 short excerpts from thus d… --- ## [OpenCL event profiling - is it reliable?](https://community.khronos.org/t/opencl-event-profiling-is-it-reliable/112634)
**Author:** [@macheeto](https://community.khronos.org/u/macheeto)\ **Replies:** 3\ **Last updated:** [October 25, 2026, 9:37pm UTC](https://community.khronos.org/t/opencl-event-profiling-is-it-reliable/112634 "2026-10-25T21:37:04Z")
Hello, I’m trying to get execution time for a simple OpenCL kernel but each time I run my program I get very different values. This is my code: cl\_command\_queue\_properties props = {CL\_QUEUE\_PROFILING\_ENABLE}; q = clCre… --- ## [Assimp + OpenGL + Qt based glTF Viewer](https://community.khronos.org/t/assimp-opengl-qt-based-gltf-viewer/112474)
**Author:** [@sharjith](https://community.khronos.org/u/sharjith)\ **Replies:** 6\ **Last updated:** [October 24, 2026, 8:37am UTC](https://community.khronos.org/t/assimp-opengl-qt-based-gltf-viewer/112474 "2026-10-24T08:37:38Z")
I would like to share about my application that was initially built as a simple Assimp based viewer. Now I have implemented most of the KHR extensions. The viewer also supports some CAD neutral formats like STEP and IGES… --- ## [Its possible to render 1024\*1024 blocks into webgl?](https://community.khronos.org/t/its-possible-to-render-1024-1024-blocks-into-webgl/112702)
**Author:** [@epicfails1234567890](https://community.khronos.org/u/epicfails1234567890)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 2:59pm UTC](https://community.khronos.org/t/its-possible-to-render-1024-1024-blocks-into-webgl/112702 "2026-10-23T14:59:37Z")
Its possible to render 1024\*1024 blocks into webgl? Like this: But in html and nodejs, plz respond… --- ## [Understanding Graphics Performance and Compatibility in Games](https://community.khronos.org/t/understanding-graphics-performance-and-compatibility-in-games/112697)
**Author:** [@Premiergamer](https://community.khronos.org/u/Premiergamer)\ **Replies:** 1\ **Last updated:** [October 17, 2026, 1:28am UTC](https://community.khronos.org/t/understanding-graphics-performance-and-compatibility-in-games/112697 "2026-10-17T01:28:56Z")
Graphics performance plays an important role in how smoothly games and other interactive applications run. Developers often need to consider rendering speed, device compatibility, memory usage, and visual quality when bu… --- ## [Alt-tab to return to window breaks mouse capture](https://community.khronos.org/t/alt-tab-to-return-to-window-breaks-mouse-capture/112693)
**Author:** [@dwouu](https://community.khronos.org/u/dwouu)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 9:54am UTC](https://community.khronos.org/t/alt-tab-to-return-to-window-breaks-mouse-capture/112693 "2026-10-07T09:54:53Z")
While in OpenGL CURSOR\_DISABLE mode, either through GLFW or Raylib: glfwSetInputMode(window, GLFW\_CURSOR, GLFW\_CURSOR\_DISABLED); DisableCursor(); Upon returning to the window with Alt-Tab, this mode is functionally br… --- ## [Vulkanised and Shader Symposium Call for Papers](https://community.khronos.org/t/vulkanised-and-shader-symposium-call-for-papers/112694)
**Author:** [@JeffP](https://community.khronos.org/u/JeffP)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 3:26am UTC](https://community.khronos.org/t/vulkanised-and-shader-symposium-call-for-papers/112694 "2026-10-07T03:26:24Z")
Call for Submissions for Vulkanised and the Real-Time Shader Symposium has been extended until October 25th. Get those submissions in! Vulkanised: https://vulkan.org/events/vulkanised-2027 Real-Time Shading Symposium: R… --- ## [Descriptor Heap support in mesa vulkan drivers](https://community.khronos.org/t/descriptor-heap-support-in-mesa-vulkan-drivers/112681)
**Author:** [@davey815](https://community.khronos.org/u/davey815)\ **Replies:** 1\ **Last updated:** [October 4, 2026, 2:00am UTC](https://community.khronos.org/t/descriptor-heap-support-in-mesa-vulkan-drivers/112681 "2026-10-04T02:00:18Z")
I tried to run the siggraph2026\_vk\_tutorial and got the following: Selecting Vulkan physical devices failed: no\_suitable\_device - Physical Device AMD Radeon Graphics (RADV RENOIR) not selected due to: Device extension … --- ## [What's the differences between GLFW and GLUT?](https://community.khronos.org/t/whats-the-differences-between-glfw-and-glut/112619)
**Author:** [@xolatgames](https://community.khronos.org/u/xolatgames)\ **Replies:** 13\ **Last updated:** [October 4, 2026, 1:54am UTC](https://community.khronos.org/t/whats-the-differences-between-glfw-and-glut/112619 "2026-10-04T01:54:54Z")
The title of this post speaks for itself :slightly\_smiling\_face: What’s the better, and what’s the worse, and in which cases? :thinking: Thanks in advance! :wink: --- ## [Survey with XR Practitioners](https://community.khronos.org/t/survey-with-xr-practitioners/112691)
**Author:** [@ManshulB](https://community.khronos.org/u/ManshulB)\ **Replies:** 0\ **Last updated:** [October 3, 2026, 12:47am UTC](https://community.khronos.org/t/survey-with-xr-practitioners/112691 "2026-10-03T00:47:11Z")
Hello, I am a postdoctoral research assistant at University of Duisburg-Essen, Germany. We are conducting a study around Responsible XR. We are looking for XR practitioners or researchers with professional experience wor… --- ## [New Vulkan Sample - Shader Quad Control](https://community.khronos.org/t/new-vulkan-sample-shader-quad-control/112682)
**Author:** [@JeffP](https://community.khronos.org/u/JeffP)\ **Replies:** 0\ **Last updated:** [September 29, 2026, 2:14pm UTC](https://community.khronos.org/t/new-vulkan-sample-shader-quad-control/112682 "2026-09-29T14:14:03Z")
This sample shows how VK\_KHR\_shader\_quad\_control lets fragment shaders share data across a 2x2 pixel quad using subgroupQuadBroadcast() and the full\_quads execution mode, with no shared memory and no descriptors. You get… --- ## [fonts in Opengl](https://community.khronos.org/t/fonts-in-opengl/62774)
**Author:** [@john\_portella](https://community.khronos.org/u/john_portella)\ **Replies:** 13\ **Last updated:** [September 29, 2026, 10:49am UTC](https://community.khronos.org/t/fonts-in-opengl/62774 "2026-09-29T10:49:55Z")
good morning, I have a problem with a project I’m doing in OpenGL, but a problem I do not know how to begin to do this, what I want is a sphere of OpenGL (glutsolidsphere) might insert a letter (just like a billiard b… --- ## [Using Vulkan without libwayland](https://community.khronos.org/t/using-vulkan-without-libwayland/112680)
**Author:** [@vakye](https://community.khronos.org/u/vakye)\ **Replies:** 0\ **Last updated:** [September 28, 2026, 2:07pm UTC](https://community.khronos.org/t/using-vulkan-without-libwayland/112680 "2026-09-28T14:07:31Z")
Hi, I’ve written a barebones wayland client, and I’m currently looking into how to use Vulkan alongside with Wayland. I’ve successfully connected to the display, and I have setup a working wl\_surface, xdg\_wm\_base, … and … --- ## [New High-Performance COLLADA Import/Export Add-on for Blender 5+](https://community.khronos.org/t/new-high-performance-collada-import-export-add-on-for-blender-5/112587)
**Author:** [@recp](https://community.khronos.org/u/recp)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 5:46am UTC](https://community.khronos.org/t/new-high-performance-collada-import-export-add-on-for-blender-5/112587 "2026-09-28T05:46:01Z")
Hi, Blender 5 no longer includes COLLADA support, so I recently published a new Blender add-on that brings COLLADA import and export back to Blender 5+. AssetKit-Blender repository (Blender Extension/Add-on): It supp… --- ## [Shadows mapping doesnt works as expected](https://community.khronos.org/t/shadows-mapping-doesnt-works-as-expected/112672)
**Author:** [@xolatgames](https://community.khronos.org/u/xolatgames)\ **Replies:** 9\ **Last updated:** [September 27, 2026, 4:01pm UTC](https://community.khronos.org/t/shadows-mapping-doesnt-works-as-expected/112672 "2026-09-27T16:01:48Z")
Hello everyone! :slightly\_smiling\_face::victory\_hand: I have a really annoying problem :sweat\_smile: I wanted to made dropped shadows in the game :slightly\_smiling\_face:. During my searching I have know that it calls “… --- ## [Problem building source from Vulkan-Tutorial: SIGGRAPH 2026: How to write a Vulkan application in 2026](https://community.khronos.org/t/problem-building-source-from-vulkan-tutorial-siggraph-2026-how-to-write-a-vulkan-application-in-2026/112658)
**Author:** [@davey815](https://community.khronos.org/u/davey815)\ **Replies:** 6\ **Last updated:** [September 27, 2026, 5:29am UTC](https://community.khronos.org/t/problem-building-source-from-vulkan-tutorial-siggraph-2026-how-to-write-a-vulkan-application-in-2026/112658 "2026-09-27T05:29:36Z")
In the Vulkan-Tutorial: How to write a Vulkan application in 2026, I am having trouble building the source code. I am building on debian/trixie with the latest vulkan sdk, 1.4.357.0. Trixie has clang-19 as the default … --- ## [New Sample: Device Fault](https://community.khronos.org/t/new-sample-device-fault/112675)
**Author:** [@JeffP](https://community.khronos.org/u/JeffP)\ **Replies:** 1\ **Last updated:** [September 25, 2026, 4:38am UTC](https://community.khronos.org/t/new-sample-device-fault/112675 "2026-09-25T04:38:15Z")
Ever hit VK\_ERROR\_DEVICE\_LOST and had no idea what actually caused it? This sample shows how to use VK\_EXT\_device\_fault (plus VK\_EXT\_device\_address\_binding\_report) to pull real diagnostic data out of a GPU crash: vendor … --- ## [glTF format questions - byte order and primitive index/attribute relationship](https://community.khronos.org/t/gltf-format-questions-byte-order-and-primitive-index-attribute-relationship/112558)
**Author:** [@macheeto](https://community.khronos.org/u/macheeto)\ **Replies:** 6\ **Last updated:** [September 19, 2026, 4:27pm UTC](https://community.khronos.org/t/gltf-format-questions-byte-order-and-primitive-index-attribute-relationship/112558 "2026-09-19T16:27:08Z")
Hello, I have two questions about glTF format: What is the byte order when reading short/int/float values from the buffer? I could not find any info on this online. What is the relationship between indices (in mes… --- ## [New Sample - Swapchain Present Timing](https://community.khronos.org/t/new-sample-swapchain-present-timing/112662)
**Author:** [@JeffP](https://community.khronos.org/u/JeffP)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 3:04pm UTC](https://community.khronos.org/t/new-sample-swapchain-present-timing/112662 "2026-09-15T15:04:48Z")
The sample renders a circle moving linearly across the viewport, which is a good visual test for detecting micro-stutters and verifying smooth presentation. It queries past presentation timing information and uses the la… --- ## [The Khronos Group Establishes European Entity](https://community.khronos.org/t/the-khronos-group-establishes-european-entity/112661)
**Author:** [@JeffP](https://community.khronos.org/u/JeffP)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 2:25pm UTC](https://community.khronos.org/t/the-khronos-group-establishes-european-entity/112661 "2026-09-15T14:25:45Z")
The Khronos Group announced the establishment of Khronos AISBL, an international non-profit association headquartered in Brussels, Belgium. This new entity enables European organizations to include Khronos as a formal pr… --- ## [WebGL performance on low-end mobile devices for HTML5 games](https://community.khronos.org/t/webgl-performance-on-low-end-mobile-devices-for-html5-games/112653)
**Author:** [@gamehihi](https://community.khronos.org/u/gamehihi)\ **Replies:** 1\ **Last updated:** [September 7, 2026, 4:36pm UTC](https://community.khronos.org/t/webgl-performance-on-low-end-mobile-devices-for-html5-games/112653 "2026-09-07T16:36:56Z")
Hi everyone, I’m currently learning more about WebGL and HTML5 game development, especially for games that need to run smoothly on mobile browsers. One thing I’m trying to understand is how far WebGL can be optimized f… --- ## [Vulkan + SDL triangle I made using a tutorial shows no window and is oomkilled within seconds](https://community.khronos.org/t/vulkan-sdl-triangle-i-made-using-a-tutorial-shows-no-window-and-is-oomkilled-within-seconds/112657)
**Author:** [@tbhtyson](https://community.khronos.org/u/tbhtyson)\ **Replies:** 0\ **Last updated:** [September 6, 2026, 6:53pm UTC](https://community.khronos.org/t/vulkan-sdl-triangle-i-made-using-a-tutorial-shows-no-window-and-is-oomkilled-within-seconds/112657 "2026-09-06T18:53:43Z")
In my hello quad app I based off the howtovulkan tutorial, written in c and vulkan 1.3+, no window shows up, the process is oomkilled, and several errors occur: Selected device: Intel(R) Arc™ B570 Graphics (BMG G21) r… --- ## [My hello, and why I've come to here](https://community.khronos.org/t/my-hello-and-why-ive-come-to-here/112616)
**Author:** [@xolatgames](https://community.khronos.org/u/xolatgames)\ **Replies:** 4\ **Last updated:** [September 5, 2026, 3:43pm UTC](https://community.khronos.org/t/my-hello-and-why-ive-come-to-here/112616 "2026-09-05T15:43:02Z")
Hello! :waving\_hand::victory\_hand: I’m newcomer, and have come to here to learn OpenGL. I also have come to here to looks what’s other people do :slightly\_smiling\_face:, what’s they ask here :red\_question\_mark:, and al… --- ## [Maybe macOS is getting another chance at modern OpenGL?](https://community.khronos.org/t/maybe-macos-is-getting-another-chance-at-modern-opengl/112621)
**Author:** [@Anonymous](https://community.khronos.org/u/Anonymous)\ **Replies:** 3\ **Last updated:** [September 4, 2026, 4:22pm UTC](https://community.khronos.org/t/maybe-macos-is-getting-another-chance-at-modern-opengl/112621 "2026-09-04T16:22:43Z")
For years, the situation around OpenGL on macOS has felt more or less settled. Apple deprecated OpenGL in 2018, froze its official implementation at OpenGL 4.1, and moved its graphics ecosystem toward Metal. Since then,… --- ## [Question about work group size](https://community.khronos.org/t/question-about-work-group-size/112644)
**Author:** [@macheeto](https://community.khronos.org/u/macheeto)\ **Replies:** 4\ **Last updated:** [September 1, 2026, 11:59pm UTC](https://community.khronos.org/t/question-about-work-group-size/112644 "2026-09-01T23:59:21Z")
Hello, I know this is a very common question but I cannot seem to figure this out. These are the properties of my GPU and the kernel: max work item dimensions: 3 max work item sizes: value\[0\]: 1024 value\[1\]: 1024 valu… [Next page](https://community.khronos.org/latest.md?page=1)