# Latest **URL:** https://forums.imgtec.com/latest.md?page=1 [Latest](https://forums.imgtec.com/latest.md) · [Categories](https://forums.imgtec.com/categories.md) · [Tags](https://forums.imgtec.com/tags.md) **Page:** 2 --- ## [QT slow to connect to PVR using Weston](https://forums.imgtec.com/t/qt-slow-to-connect-to-pvr-using-weston/4167)
**Author:** [@nbaldy](https://forums.imgtec.com/u/nbaldy)\ **Replies:** 3\ **Last updated:** [June 9, 2025, 2:36pm UTC](https://forums.imgtec.com/t/qt-slow-to-connect-to-pvr-using-weston/4167 "2025-06-09T14:36:48Z")
Hi, I’m wondering if anyone else has this problem; I’m thinking it’s in QT, but if anyone has tips they would be appreciated. This has been reproduced in QT 6.4.2, 6.8.3, and 6.9.0. I’m sticking with 6.8.3 right now beca… --- ## [PVRCarbon offline recording on linux](https://forums.imgtec.com/t/pvrcarbon-offline-recording-on-linux/4166)
**Author:** [@Jason1](https://forums.imgtec.com/u/Jason1)\ **Replies:** 1\ **Last updated:** [June 5, 2025, 3:17pm UTC](https://forums.imgtec.com/t/pvrcarbon-offline-recording-on-linux/4166 "2025-06-05T15:17:22Z")
Hello, i am trying to trace a simple demo using PVRCarbon and record it into a file on Linux system, copy it to a Windows host pc and load the recording into GUI.I want to check the frame of each swap buffer and OpenGL E… --- ## [Request for missing KTX2 formats](https://forums.imgtec.com/t/request-for-missing-ktx2-formats/4161)
**Author:** [@marwinmisselhorn](https://forums.imgtec.com/u/marwinmisselhorn)\ **Replies:** 2\ **Last updated:** [May 28, 2025, 1:54pm UTC](https://forums.imgtec.com/t/request-for-missing-ktx2-formats/4161 "2025-05-28T13:54:56Z")
I consider PVRTexTool to be pretty much the best tool I tried so far in terms of KTX2 support. The only thing I find to be missing is support for BC6H, R8\_SRGB and R8G8\_SRGB. Especially BC6H is pretty popular for HDR con… --- ## [Request for PowerVR SGX 535 Linux Driver Source Code](https://forums.imgtec.com/t/request-for-powervr-sgx-535-linux-driver-source-code/4136)
**Author:** [@Vadim](https://forums.imgtec.com/u/Vadim)\ **Replies:** 2\ **Last updated:** [May 14, 2025, 9:09pm UTC](https://forums.imgtec.com/t/request-for-powervr-sgx-535-linux-driver-source-code/4136 "2025-05-14T21:09:41Z")
I am working on a project that involves the Intel GMA 500, which uses the PowerVR SGX 535 GPU. Since there is no proper open-source driver available for modern Linux distributions, I was wondering if there is any way to … --- ## [Does PVRCarbon support EGL PIXMAP surfaces on the targets? Is there any workaround so that I get the frames rendered from PIXMAP to be recorded by PVRCARBON?](https://forums.imgtec.com/t/does-pvrcarbon-support-egl-pixmap-surfaces-on-the-targets-is-there-any-workaround-so-that-i-get-the-frames-rendered-from-pixmap-to-be-recorded-by-pvrcarbon/4152)
**Author:** [@sandy](https://forums.imgtec.com/u/sandy)\ **Replies:** 7\ **Last updated:** [April 29, 2025, 9:20am UTC](https://forums.imgtec.com/t/does-pvrcarbon-support-egl-pixmap-surfaces-on-the-targets-is-there-any-workaround-so-that-i-get-the-frames-rendered-from-pixmap-to-be-recorded-by-pvrcarbon/4152 "2025-04-29T09:20:34Z")
Does PVRCarbon support EGL PIXMAP surfaces on the targets ? Please anyone support me. It is bit urgent. --- ## [ETC2 yields strange artifacts around semitransparent regions](https://forums.imgtec.com/t/etc2-yields-strange-artifacts-around-semitransparent-regions/4153)
**Author:** [@dmarker22](https://forums.imgtec.com/u/dmarker22)\ **Replies:** 2\ **Last updated:** [April 11, 2025, 11:38am UTC](https://forums.imgtec.com/t/etc2-yields-strange-artifacts-around-semitransparent-regions/4153 "2025-04-11T11:38:45Z")
Hello! I’m upgrading the PVRTexToolCLI.exe tool from 4\_20\_0\_0 to 5\_6\_0\_0 and am noticing strange artifacts around the semi-transparent regions of an image with the 5\_6\_0\_0 version. Here are the simplified arguments I … --- ## [Why is the "GPU clock speed" measured by PVRScope inconsistent with the result measured by PVRTune](https://forums.imgtec.com/t/why-is-the-gpu-clock-speed-measured-by-pvrscope-inconsistent-with-the-result-measured-by-pvrtune/4147)
**Author:** [@niubaty](https://forums.imgtec.com/u/niubaty)\ **Replies:** 3\ **Last updated:** [April 7, 2025, 12:07pm UTC](https://forums.imgtec.com/t/why-is-the-gpu-clock-speed-measured-by-pvrscope-inconsistent-with-the-result-measured-by-pvrtune/4147 "2025-04-07T12:07:17Z")
Hello. The “GPU clock speed” is significantly different when using PVRTune and PVRScope as following: The second curve is the result of the PVRTune testing while running the 3D Mark graphics program. The first curve… --- ## [GPU Hardware Acceleration Support For GNOME Desktop](https://forums.imgtec.com/t/gpu-hardware-acceleration-support-for-gnome-desktop/4143)
**Author:** [@Sharanabasava](https://forums.imgtec.com/u/Sharanabasava)\ **Replies:** 2\ **Last updated:** [April 2, 2025, 5:36am UTC](https://forums.imgtec.com/t/gpu-hardware-acceleration-support-for-gnome-desktop/4143 "2025-04-02T05:36:57Z")
Hello Everyone, We are in the process of enabling GPU HW Acceleration for GNOME Desktop on my riscv platform. After installing the GPU Kernel Driver (pvrsrvkm.ko) and exporting the necessary files of DDK for Wayland WS.… --- ## [NNA doesn't works](https://forums.imgtec.com/t/nna-doesnt-works/4140)
**Author:** [@rockyfang](https://forums.imgtec.com/u/rockyfang)\ **Replies:** 1\ **Last updated:** [March 21, 2025, 2:23pm UTC](https://forums.imgtec.com/t/nna-doesnt-works/4140 "2025-03-21T14:23:59Z")
FATAL: failed to get core properties from VHA device /dev/vha0: Invalid argument \[I 3/20 9:14:10.389 …driver/imagination\_nna/imgdnn\_manager.cc:31 error\_callback\] (nna\_imgdnnCreateContext) Could not create NNA session,… --- ## [PowerVR GM9446 Crash When Calling glClear](https://forums.imgtec.com/t/powervr-gm9446-crash-when-calling-glclear/4126)
**Author:** [@WATER1350](https://forums.imgtec.com/u/WATER1350)\ **Replies:** 1\ **Last updated:** [February 14, 2025, 12:57pm UTC](https://forums.imgtec.com/t/powervr-gm9446-crash-when-calling-glclear/4126 "2025-02-14T12:57:56Z")
629 2025-02-07 18:05:40.605+08:00 31400 12461 ERROR IMGSRV :5869: ScheduleTA: Skipping render from different gc/thread! 630 2025-02-07 18:05:40.605+08:00 31400 12461 ERROR IMGSRV :3082: Start Frame failed 631 … --- ## [How to downlad PVRTuneComplete.exe](https://forums.imgtec.com/t/how-to-downlad-pvrtunecomplete-exe/4124)
**Author:** [@Xie](https://forums.imgtec.com/u/Xie)\ **Replies:** 1\ **Last updated:** [February 12, 2025, 10:10am UTC](https://forums.imgtec.com/t/how-to-downlad-pvrtunecomplete-exe/4124 "2025-02-12T10:10:07Z")
Dear Imagination developer, we have depolyed the PVRTune tool in our QNX OS successfully. Now we want to see if we can depoly the PVRTuneComplete tool, but I didnt see any download link in imagnation official website. p… --- ## [clBuildProgram Crash During Execution of ocl\_extended\_test int](https://forums.imgtec.com/t/clbuildprogram-crash-during-execution-of-ocl-extended-test-int/4111)
**Author:** [@Tamizharasan](https://forums.imgtec.com/u/Tamizharasan)\ **Replies:** 6\ **Last updated:** [February 11, 2025, 3:06pm UTC](https://forums.imgtec.com/t/clbuildprogram-crash-during-execution-of-ocl-extended-test-int/4111 "2025-02-11T15:06:25Z")
I am encountering an issue while executing ocl\_extended\_test int during development for the AM62x board using Rogue DDK version 23.3. The clBuildProgram function crashes, and further backtrace analysis reveals the follow… --- ## [Enabling the support for Wayland-GNOME Window Manager on Ubuntu 22.04 on GPU](https://forums.imgtec.com/t/enabling-the-support-for-wayland-gnome-window-manager-on-ubuntu-22-04-on-gpu/4116)
**Author:** [@RaviKiran](https://forums.imgtec.com/u/RaviKiran)\ **Replies:** 2\ **Last updated:** [January 29, 2025, 5:58am UTC](https://forums.imgtec.com/t/enabling-the-support-for-wayland-gnome-window-manager-on-ubuntu-22-04-on-gpu/4116 "2025-01-29T05:58:43Z")
Hello Team, We have been working on enabling the Wayland - GNOME Desktop Manager support over GPU on our RISC-V Platform, but we’re seeing issues when trying to launch the gdm session. We’re able to bring up the gdm-ses… --- ## [Link problem of MultisampleIMG](https://forums.imgtec.com/t/link-problem-of-multisampleimg/4109)
**Author:** [@axel](https://forums.imgtec.com/u/axel)\ **Replies:** 1\ **Last updated:** [January 27, 2025, 11:43am UTC](https://forums.imgtec.com/t/link-problem-of-multisampleimg/4109 "2025-01-27T11:43:31Z")
Hi expert, Now our dev environment is TI+QNX, we got a linking issue about "glFramebufferTexture2DMultisampleIMG " when compiling the program, we can find the declaration in the qnx710\\target\\qnx7\\usr\\include\\GLES2\\gl… --- ## [PvrTexTool gui not starting on Ubuntu 22 nor 24](https://forums.imgtec.com/t/pvrtextool-gui-not-starting-on-ubuntu-22-nor-24/4107)
**Author:** [@collerblade3](https://forums.imgtec.com/u/collerblade3)\ **Replies:** 1\ **Last updated:** [January 27, 2025, 10:53am UTC](https://forums.imgtec.com/t/pvrtextool-gui-not-starting-on-ubuntu-22-nor-24/4107 "2025-01-27T10:53:13Z")
Hello guys, i tried 3 different mashine, but none of them was able to run the newest pvrtextool. qt.qpa.wayland: Failed to load client buffer integration: "wayland-egl" qt.qpa.wayland: Available client buffer integrati… --- ## [Use glProgramBinary in PowerVRGE8320 Always execute GLSLCompileToUniflex is Slow](https://forums.imgtec.com/t/use-glprogrambinary-in-powervrge8320-always-execute-glslcompiletouniflex-is-slow/4103)
**Author:** [@zouqingwei](https://forums.imgtec.com/u/zouqingwei)\ **Replies:** 5\ **Last updated:** [January 16, 2025, 4:48pm UTC](https://forums.imgtec.com/t/use-glprogrambinary-in-powervrge8320-always-execute-glslcompiletouniflex-is-slow/4103 "2025-01-16T16:48:39Z")
We use Unreal Engine to develop mobile games，We found that calling the glProgramBinary interface on PowerVR devices can be time-consuming。It executed GLSLCompileToUniflex。 But another device executed PVRNiflexReadHWBina… --- ## [Broken Vulkan on Android 14 QPR2/QPR3/15 DSU (PowerVR-BXM-8-256)](https://forums.imgtec.com/t/broken-vulkan-on-android-14-qpr2-qpr3-15-dsu-powervr-bxm-8-256/3987)
**Author:** [@sarthakroy2002](https://forums.imgtec.com/u/sarthakroy2002)\ **Replies:** 8\ **Last updated:** [January 14, 2025, 2:15pm UTC](https://forums.imgtec.com/t/broken-vulkan-on-android-14-qpr2-qpr3-15-dsu-powervr-bxm-8-256/3987 "2025-01-14T14:15:02Z")
Hello, I develop custom AOSP builds for Moto G54 5G. There is some Vulkan issue related to PowerVR drivers. I have also tested Vulkan on Android 14 QPR2, QP3 and 14 Beta DSU on my Motorola G54 as the Stock Vendor has pas… --- ## [PowerVR Perf Server Error](https://forums.imgtec.com/t/powervr-perf-server-error/4005)
**Author:** [@bkpark](https://forums.imgtec.com/u/bkpark)\ **Replies:** 9\ **Last updated:** [January 9, 2025, 1:17am UTC](https://forums.imgtec.com/t/powervr-perf-server-error/4005 "2025-01-09T01:17:10Z")
Hi Expert, I am running PVRPerfServer on QNX 7.1.0 OS, and it end up with the error below. (Error at socket(): Address family not supported by protocol family) . The console output is following: PVRPerfServerDevelop… --- ## [PVRPerfServer Coredump on QNX 710](https://forums.imgtec.com/t/pvrperfserver-coredump-on-qnx-710/3953)
**Author:** [@patrick](https://forums.imgtec.com/u/patrick)\ **Replies:** 25\ **Last updated:** [January 8, 2025, 2:55pm UTC](https://forums.imgtec.com/t/pvrperfserver-coredump-on-qnx-710/3953 "2025-01-08T14:55:47Z")
Hi Expert, I am running PVRPerfServer on QNX 7.1.0 OS, and it end up to a coredump. The console output is following: PVRPerfServerDeveloper v14.153 64-bits - Build unknown. Copyright (C) Imagination Technologies Ltd.… --- ## [Newer Vision Five 2 GPU drivers](https://forums.imgtec.com/t/newer-vision-five-2-gpu-drivers/3820)
**Author:** [@tinspin](https://forums.imgtec.com/u/tinspin)\ **Replies:** 18\ **Last updated:** [January 2, 2025, 3:44pm UTC](https://forums.imgtec.com/t/newer-vision-five-2-gpu-drivers/3820 "2025-01-02T15:44:02Z")
Is this the only place one can download new driver to try: Can these be replaced on a older linux release or do you have to write a new SD card every GPU driver release? --- ## [On the IMG BXM-8-256 graphics card, the Vulcan driver does not work. I try to run the game on Vulcan and it does not work, it crashes immediately](https://forums.imgtec.com/t/on-the-img-bxm-8-256-graphics-card-the-vulcan-driver-does-not-work-i-try-to-run-the-game-on-vulcan-and-it-does-not-work-it-crashes-immediately/4101)
**Author:** [@Pietruszka33](https://forums.imgtec.com/u/Pietruszka33)\ **Replies:** 4\ **Last updated:** [January 2, 2025, 11:36am UTC](https://forums.imgtec.com/t/on-the-img-bxm-8-256-graphics-card-the-vulcan-driver-does-not-work-i-try-to-run-the-game-on-vulcan-and-it-does-not-work-it-crashes-immediately/4101 "2025-01-02T11:36:15Z")
Please help. Because I would really like to play this and even other games but Vulcan doesn’t work could you fix it. My phone is Motorola moto g54 5g power edition --- ## [PVRCarbon for web application](https://forums.imgtec.com/t/pvrcarbon-for-web-application/4097)
**Author:** [@onlineAV](https://forums.imgtec.com/u/onlineAV)\ **Replies:** 2\ **Last updated:** [December 16, 2024, 6:41pm UTC](https://forums.imgtec.com/t/pvrcarbon-for-web-application/4097 "2024-12-16T18:41:33Z")
Hi How to capture a new PVRCarbon recording for a ‘web app’ specifically. I want to track OpenGL API calls from a ‘web app’. Currently I have created a ‘pvrcarbon.json’ file in the path of the web-app. But after laun… --- ## [Architectural and driver related differences between SGX and Rogue](https://forums.imgtec.com/t/architectural-and-driver-related-differences-between-sgx-and-rogue/4076)
**Author:** [@vinibali](https://forums.imgtec.com/u/vinibali)\ **Replies:** 1\ **Last updated:** [November 19, 2024, 4:30pm UTC](https://forums.imgtec.com/t/architectural-and-driver-related-differences-between-sgx-and-rogue/4076 "2024-11-19T16:30:04Z")
Hello there! Is there any way from the community’s POV that the existing Mesa PowerVR driver can be used as a base to support the SGX family? What are the architectural differences between these two? --- ## [Getting a Crash when I add 3rd texture](https://forums.imgtec.com/t/getting-a-crash-when-i-add-3rd-texture/4046)
**Author:** [@Karue](https://forums.imgtec.com/u/Karue)\ **Replies:** 1\ **Last updated:** [October 11, 2024, 10:58am UTC](https://forums.imgtec.com/t/getting-a-crash-when-i-add-3rd-texture/4046 "2024-10-11T10:58:46Z")
\[ 134.633254\] PVR\_K: 34: UM Connected Clients: 64 Bit \[ 134.640450\] PVR\_K: 34: ------\[ RGX summary \]------ \[ 134.646075\] PVR\_K: 34: RGX BVNC: 15.5.1.64 \[ 134.650689\] PVR\_K: 34: RGX Device State: Active \[ 134… --- ## [How to estimate the GPU memory need when enable the MSAA for the offscreen buffer](https://forums.imgtec.com/t/how-to-estimate-the-gpu-memory-need-when-enable-the-msaa-for-the-offscreen-buffer/4047)
**Author:** [@axel](https://forums.imgtec.com/u/axel)\ **Replies:** 2\ **Last updated:** [October 11, 2024, 10:31am UTC](https://forums.imgtec.com/t/how-to-estimate-the-gpu-memory-need-when-enable-the-msaa-for-the-offscreen-buffer/4047 "2024-10-11T10:31:25Z")
Hi all expert, Hardware: BXS 4-64 MC1 core GPU OS: GHS API: ghs\_create\_egl\_native\_pixmap\_rgb565 OffscreenBufferFormat: RGB565 Change the EGL config to enable the MSAA like below EGL\_SAMPLE\_BUFFERS, 1, EGL\_SAMPLES,… --- ## [PBO (Pixel Buffer Object) performance issue](https://forums.imgtec.com/t/pbo-pixel-buffer-object-performance-issue/4042)
**Author:** [@marcus](https://forums.imgtec.com/u/marcus)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 10:10am UTC](https://forums.imgtec.com/t/pbo-pixel-buffer-object-performance-issue/4042 "2024-10-09T10:10:07Z")
Hello everyone, I have a question regarding the usage of a PBO (PixelBufferObject). We have implemented a data transfer from the GPU to the CPU using GL\_PIXEL\_UNPACK\_BUFFER. The implementation is functional, but the pe… --- ## [CPU Performing better than IMG-GPU for Vulkan-NCNN based Yolo Predictions](https://forums.imgtec.com/t/cpu-performing-better-than-img-gpu-for-vulkan-ncnn-based-yolo-predictions/4027)
**Author:** [@RaviKiran](https://forums.imgtec.com/u/RaviKiran)\ **Replies:** 7\ **Last updated:** [September 30, 2024, 2:51pm UTC](https://forums.imgtec.com/t/cpu-performing-better-than-img-gpu-for-vulkan-ncnn-based-yolo-predictions/4027 "2024-09-30T14:51:14Z")
Hello Team, I’m having a RISC-V Dev platform which has a IMG-GPU, and I’m able to successfully build the Vulkan-NCNN Framework and performing Yolo object detection what we noticed is we’re observing better with CPU as i… --- ## [How to get Geometry active value from exported .csv file?](https://forums.imgtec.com/t/how-to-get-geometry-active-value-from-exported-csv-file/4026)
**Author:** [@miya](https://forums.imgtec.com/u/miya)\ **Replies:** 9\ **Last updated:** [September 30, 2024, 1:40pm UTC](https://forums.imgtec.com/t/how-to-get-geometry-active-value-from-exported-csv-file/4026 "2024-09-30T13:40:01Z")
Hello, I am working on evaluating a custom board which is using a SoC including PowerVR GPU. I would like to get a log of load factor on some functions in SoC including GPU. I am using PVRTuneGUI. How to get Geometry … --- ## [PowerVR Rogue complete VkPhysicalDeviceProperties::deviceID list](https://forums.imgtec.com/t/powervr-rogue-complete-vkphysicaldeviceproperties-deviceid-list/4034)
**Author:** [@andreyogld3d](https://forums.imgtec.com/u/andreyogld3d)\ **Replies:** 4\ **Last updated:** [September 26, 2024, 8:10pm UTC](https://forums.imgtec.com/t/powervr-rogue-complete-vkphysicaldeviceproperties-deviceid-list/4034 "2024-09-26T20:10:56Z")
Hi! We have problem with our application on PowerVR Rogue architecture. We need to complete lits for device\_id. Later we will try to fix this problem. Right now we have the following list: // PowerVR Rogue GE8100 0x2… --- ## [What is the limit of GPU utilization for continuous use of the AXM-8-256?](https://forums.imgtec.com/t/what-is-the-limit-of-gpu-utilization-for-continuous-use-of-the-axm-8-256/4032)
**Author:** [@koza](https://forums.imgtec.com/u/koza)\ **Replies:** 1\ **Last updated:** [September 20, 2024, 5:27pm UTC](https://forums.imgtec.com/t/what-is-the-limit-of-gpu-utilization-for-continuous-use-of-the-axm-8-256/4032 "2024-09-20T17:27:01Z")
I am developing benchmark software for a board with the AXM-8-256. What is the limit of GPU utilization for continuous use of the AXM-8-256? Also, how many hours can the AXM-8-256 withstand when GPU utilization reaches… [Previous page](https://forums.imgtec.com/latest.md) [Next page](https://forums.imgtec.com/latest.md?page=2)