# PowerVR Insider **URL:** https://forums.imgtec.com/c/powervr-insider-graphics/8.md?page=3 [Latest](https://forums.imgtec.com/latest.md) · [Categories](https://forums.imgtec.com/categories.md) · [Tags](https://forums.imgtec.com/tags.md) **Page:** 4 --- ## [PVRTexTool library PVRTexture::Bleed comment incorrect?](https://forums.imgtec.com/t/pvrtextool-library-pvrtexture-bleed-comment-incorrect/3416)
**Author:** [@shwagger](https://forums.imgtec.com/u/shwagger)\ **Replies:** 10\ **Last updated:** [November 4, 2021, 5:34pm UTC](https://forums.imgtec.com/t/pvrtextool-library-pvrtexture-bleed-comment-incorrect/3416 "2021-11-04T17:34:04Z")
Hi, We’re using the PVRTexTool library to do PVRTC texture compression. I’m finding that the behaviour of PVRTexture::Bleed isn’t what it says in the comment, which is: /\*!\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*… --- ## [HSR Confusion](https://forums.imgtec.com/t/hsr-confusion/1315)
**Author:** [@presbywf](https://forums.imgtec.com/u/presbywf)\ **Replies:** 3\ **Last updated:** [November 1, 2021, 4:50pm UTC](https://forums.imgtec.com/t/hsr-confusion/1315 "2021-11-01T16:50:26Z")
I’m a little confused about hidden surface removal and the “normal” depth buffer (i.e. the one we explicitly create). Say I have 5 boxes that I want to render. The primitive information is passed into the ISP where it’… --- ## [May I create a glFenceSync in one thread, and wait for it in another thread(glClientWaitSync) in GE8430?](https://forums.imgtec.com/t/may-i-create-a-glfencesync-in-one-thread-and-wait-for-it-in-another-thread-glclientwaitsync-in-ge8430/3439)
**Author:** [@zhuyingliang](https://forums.imgtec.com/u/zhuyingliang)\ **Replies:** 4\ **Last updated:** [October 13, 2021, 12:12pm UTC](https://forums.imgtec.com/t/may-i-create-a-glfencesync-in-one-thread-and-wait-for-it-in-another-thread-glclientwaitsync-in-ge8430/3439 "2021-10-13T12:12:27Z")
Recently, in my project, I use glFenceSync to generate a sync object in my renderThread, and use a buffer to storage the sync obj. And in a other thread , I read the sync value and give it to the glClientWaitSync. But it… --- ## [RE: Native\_SDK and Native-Compilation on the BBAI](https://forums.imgtec.com/t/re-native-sdk-and-native-compilation-on-the-bbai/3431)
**Author:** [@silver2row](https://forums.imgtec.com/u/silver2row)\ **Replies:** 12\ **Last updated:** [October 4, 2021, 12:50pm UTC](https://forums.imgtec.com/t/re-native-sdk-and-native-compilation-on-the-bbai/3431 "2021-10-04T12:50:16Z")
Hello, I am currently having an issue w/ the native-compilation on the BBAI w/ the SGX544. I have put the cmake version needed on the BBAI to compile natively on the board, i.e. as my Debian, Linux Machine is down with… --- ## [PVRTexLib.dll Does Not Unload](https://forums.imgtec.com/t/pvrtexlib-dll-does-not-unload/3422)
**Author:** [@L-Spiro](https://forums.imgtec.com/u/L-Spiro)\ **Replies:** 9\ **Last updated:** [September 9, 2021, 7:29am UTC](https://forums.imgtec.com/t/pvrtexlib-dll-does-not-unload/3422 "2021-09-09T07:29:53Z")
Version: #define PVRTLSTRINGVERSION “5.1.0” Compiler: Visual Studio 2015 OS: Windows 7 Platforms: Release + Debug, x86 + x64. Now that PVRTexLib.dll is being imported, my engine no longer closes. All of the windows … --- ## [(2208) PVR:(Error): IsTextureConsistent: Texture and sampler are not consistent \[ :4797 \]](https://forums.imgtec.com/t/2208-pvr-error-istextureconsistent-texture-and-sampler-are-not-consistent-4797/3428)
**Author:** [@lance](https://forums.imgtec.com/u/lance)\ **Replies:** 2\ **Last updated:** [September 7, 2021, 2:10am UTC](https://forums.imgtec.com/t/2208-pvr-error-istextureconsistent-texture-and-sampler-are-not-consistent-4797/3428 "2021-09-07T02:10:55Z")
Hi all, When I use “imageLoad” or “imageSize” to access a image uniform, opengles report this error： (2208) PVR:(Error): IsTextureConsistent: Texture and sampler are not consistent \[ :4797 \] Anyone knows how this erro… --- ## [Headless rendering with PVR SGX530, EGL, OpenGL - contination](https://forums.imgtec.com/t/headless-rendering-with-pvr-sgx530-egl-opengl-contination/3413)
**Author:** [@jduchniewicz](https://forums.imgtec.com/u/jduchniewicz)\ **Replies:** 4\ **Last updated:** [August 26, 2021, 2:03pm UTC](https://forums.imgtec.com/t/headless-rendering-with-pvr-sgx530-egl-opengl-contination/3413 "2021-08-26T14:03:20Z")
I needed to create additional topic because I reached limit of 3 replies in this post… Hi Omar, I already wrote the code to render to the Pbuffer on the BBB, but I am still unable to initialize the display, with the er… --- ## [Headless rendering with PVR SGX530, EGL, OpenGL - is it supported?](https://forums.imgtec.com/t/headless-rendering-with-pvr-sgx530-egl-opengl-is-it-supported/2922)
**Author:** [@mvmvm](https://forums.imgtec.com/u/mvmvm)\ **Replies:** 11\ **Last updated:** [August 9, 2021, 12:12pm UTC](https://forums.imgtec.com/t/headless-rendering-with-pvr-sgx530-egl-opengl-is-it-supported/2922 "2021-08-09T12:12:32Z")
Hello, does the PowerVR SGX530 egl implementation support GPU rendering to a pbuffer or similar without any physical display attached or windowing system installed? I could not find PVR egl extensions which support this… --- ## [Hi, how could I find the history version v4.20 of pvrtextool?](https://forums.imgtec.com/t/hi-how-could-i-find-the-history-version-v4-20-of-pvrtextool/3406)
**Author:** [@cyber](https://forums.imgtec.com/u/cyber)\ **Replies:** 1\ **Last updated:** [July 26, 2021, 8:36am UTC](https://forums.imgtec.com/t/hi-how-could-i-find-the-history-version-v4-20-of-pvrtextool/3406 "2021-07-26T08:36:08Z")
Hi, I need the pvrtextool V4.20 inside the PowerVR SDK 18.1, where can I download it? Only V5.1 in the download page now. :slightly\_smiling\_face: Thanks. --- ## [Gradient calculation inside a conditional block](https://forums.imgtec.com/t/gradient-calculation-inside-a-conditional-block/3404)
**Author:** [@jduchniewicz](https://forums.imgtec.com/u/jduchniewicz)\ **Replies:** 6\ **Last updated:** [July 23, 2021, 7:59am UTC](https://forums.imgtec.com/t/gradient-calculation-inside-a-conditional-block/3404 "2021-07-23T07:59:24Z")
Hello, I am trying to perform 2D convolution on SGX530 with the following code: #ifdef GL\_FRAGMENT\_PRECISION\_HIGH precision highp float; #else precision mediump float; #endif uniform sampler2D texture0; unifor… --- ## [SGX530 ARGB8888 Support](https://forums.imgtec.com/t/sgx530-argb8888-support/3403)
**Author:** [@jduchniewicz](https://forums.imgtec.com/u/jduchniewicz)\ **Replies:** 6\ **Last updated:** [July 22, 2021, 3:43pm UTC](https://forums.imgtec.com/t/sgx530-argb8888-support/3403 "2021-07-22T15:43:32Z")
Hello, I am trying to render headless with BeagleBone Black. But since I cannot do it out of the box (other post) I bought myself a headless ghost which I attached to microHDMI port. With the regular DefaultPixelFormat… --- ## [Cannot capture the SurfaceFlinger](https://forums.imgtec.com/t/cannot-capture-the-surfaceflinger/3391)
**Author:** [@YoungJun](https://forums.imgtec.com/u/YoungJun)\ **Replies:** 5\ **Last updated:** [June 4, 2021, 3:01pm UTC](https://forums.imgtec.com/t/cannot-capture-the-surfaceflinger/3391 "2021-06-04T15:01:15Z")
Hi, I want to capture android’s SurfaceFlinger using PVRCarbon. I tried to capture with the PVRCarbon GUI tool, but there is no ‘SurfaceFlinger’ on the list. Is it impossible? or any other way? --- ## [Vulkan: VkInstance's apiVersion mismatchs with VkDevice's apiVersion](https://forums.imgtec.com/t/vulkan-vkinstances-apiversion-mismatchs-with-vkdevices-apiversion/3377)
**Author:** [@andreyogld3d](https://forums.imgtec.com/u/andreyogld3d)\ **Replies:** 6\ **Last updated:** [March 30, 2021, 1:32pm UTC](https://forums.imgtec.com/t/vulkan-vkinstances-apiversion-mismatchs-with-vkdevices-apiversion/3377 "2021-03-30T13:32:02Z")
Hi! PowerVR GE8300, Android 9, Huawei Y6 2019 vkEnumerateInstanceVersion returns 1.1, but vkGetPhysicalDeviceProperties returns VkPhysicalDeviceProperties::apiVersion == 1.0.76 Also I have Validation Layers’s Warnings … --- ## [Is the SDK linux\_x86\_64 version also useful for arm64?](https://forums.imgtec.com/t/is-the-sdk-linux-x86-64-version-also-useful-for-arm64/3368)
**Author:** [@wade](https://forums.imgtec.com/u/wade)\ **Replies:** 4\ **Last updated:** [March 23, 2021, 8:55am UTC](https://forums.imgtec.com/t/is-the-sdk-linux-x86-64-version-also-useful-for-arm64/3368 "2021-03-23T08:55:29Z")
Dears After I cmake and build the Native SDK on linux, I only see /lib/Linux\_x86\_64 folder has the libEGL.so and libGLESv2.so. Is it also useful on arm64 ? Thanks Wade --- ## [PowerVR G6430 on Linux with libhybris](https://forums.imgtec.com/t/powervr-g6430-on-linux-with-libhybris/3320)
**Author:** [@fcipaq](https://forums.imgtec.com/u/fcipaq)\ **Replies:** 7\ **Last updated:** [February 25, 2021, 7:53pm UTC](https://forums.imgtec.com/t/powervr-g6430-on-linux-with-libhybris/3320 "2021-02-25T19:53:17Z")
Hello to everyone, I am new to this forum and I am working on a private, non-profit project. I hope this is the right spot to place my question (and hopefully get some answers). I am trying run Linux on the Google Nexu… --- ## [Source code for OpenGL ES 1.1 on Windows](https://forums.imgtec.com/t/source-code-for-opengl-es-1-1-on-windows/3347)
**Author:** [@pzengr](https://forums.imgtec.com/u/pzengr)\ **Replies:** 4\ **Last updated:** [February 16, 2021, 4:25pm UTC](https://forums.imgtec.com/t/source-code-for-opengl-es-1-1-on-windows/3347 "2021-02-16T16:25:35Z")
Howdy! Loving the SDK and been using it for quite some years now. I have a product that was released on Opengl ES 1.1 (iphone to be specific). I’m porting my engine to 2.0+ (programmable pipeline). In order to maintai… --- ## [PVRTexLib\_TranscodeTexture hangs when processing ETC textures](https://forums.imgtec.com/t/pvrtexlib-transcodetexture-hangs-when-processing-etc-textures/3346)
**Author:** [@Alexx999](https://forums.imgtec.com/u/Alexx999)\ **Replies:** 7\ **Last updated:** [February 1, 2021, 3:03pm UTC](https://forums.imgtec.com/t/pvrtexlib-transcodetexture-hangs-when-processing-etc-textures/3346 "2021-02-01T15:03:34Z")
Hi, For us, it hangs randomly when doing DDS-\>ETC conversion. We’ve been able to trace it down to Etc::Image::Encode method - there’s some problem with thread synchronization there that leads to a deadlock. The soluti… --- ## [Converting KTX -\> PNG](https://forums.imgtec.com/t/converting-ktx-png/3201)
**Author:** [@qawsar](https://forums.imgtec.com/u/qawsar)\ **Replies:** 9\ **Last updated:** [January 25, 2021, 12:40pm UTC](https://forums.imgtec.com/t/converting-ktx-png/3201 "2021-01-25T12:40:22Z")
Hello, I am attempting to convert a KTX file back to PNG using the CLI: PVRTexToolCLI.exe -i SrcFileName.ktx -f r8g8b8a8 -d OutputFileName.png However, doing so instead gives the png file a blueish hue and transpar… --- ## [PVRTexLib.dll always uses max threads for 1 texture](https://forums.imgtec.com/t/pvrtexlib-dll-always-uses-max-threads-for-1-texture/3313)
**Author:** [@alecazam123](https://forums.imgtec.com/u/alecazam123)\ **Replies:** 9\ **Last updated:** [January 22, 2021, 7:46pm UTC](https://forums.imgtec.com/t/pvrtexlib-dll-always-uses-max-threads-for-1-texture/3313 "2021-01-22T19:46:46Z")
When batch processing textures, PVRTC encoding use all available cores for a single texture. This results in cores ^ 2 threads in use. 16 textures need 16x16 256 threads. Can this library be modified to allow passing… --- ## [PVRTextTool GUI can't open its own DXT textures](https://forums.imgtec.com/t/pvrtexttool-gui-cant-open-its-own-dxt-textures/3300)
**Author:** [@YorickECI](https://forums.imgtec.com/u/YorickECI)\ **Replies:** 7\ **Last updated:** [January 15, 2021, 12:29pm UTC](https://forums.imgtec.com/t/pvrtexttool-gui-cant-open-its-own-dxt-textures/3300 "2021-01-15T12:29:46Z")
Just compressed an image into the BC3 (aka DXT4/5, aka S3TC) format and while PVRTexTool happily generates the image, it won’t open the resulting file afterwards. I’ve tried .KTX, .PVR, and .DDS containers, no dice. I’m … --- ## [Transcode was not successful](https://forums.imgtec.com/t/transcode-was-not-successful/3331)
**Author:** [@onepiecefreak](https://forums.imgtec.com/u/onepiecefreak)\ **Replies:** 6\ **Last updated:** [January 12, 2021, 10:45am UTC](https://forums.imgtec.com/t/transcode-was-not-successful/3331 "2021-01-12T10:45:30Z")
Following my initial and first problem with PVRTexTool here: https://forums.imgtec.com/t/pvrtexlib-in-c-with-c-tests/3329 I come across another problem separate to the one linked above. I try to transcode an image from… --- ## [PVRTrace can't capture the weston compositor](https://forums.imgtec.com/t/pvrtrace-cant-capture-the-weston-compositor/3309)
**Author:** [@YoungJun](https://forums.imgtec.com/u/YoungJun)\ **Replies:** 5\ **Last updated:** [November 26, 2020, 1:57am UTC](https://forums.imgtec.com/t/pvrtrace-cant-capture-the-weston-compositor/3309 "2020-11-26T01:57:23Z")
Hi, I’m trying to get PVRTrace working on a my custom SoC(w/ PowerVR Furian GT9524). The PVRTrace can capture most of egl applications but it can’t capture the weston process. The weston compositor has gl-renderer and it… --- ## [Wrong color with PVRTextool](https://forums.imgtec.com/t/wrong-color-with-pvrtextool/3246)
**Author:** [@TruongPham](https://forums.imgtec.com/u/TruongPham)\ **Replies:** 8\ **Last updated:** [November 17, 2020, 11:45am UTC](https://forums.imgtec.com/t/wrong-color-with-pvrtextool/3246 "2020-11-17T11:45:42Z")
Hello everyone, i’m new with PVRTexTool. I just want to test the quality of image for compression , so i drag the image to PVRTexTool GUI, i did not touch anything but the color of image changed, it’s darker, you can se… --- ## [MEIZU PRO 7PULS PowerVR 7XTP shder compile failed no error](https://forums.imgtec.com/t/meizu-pro-7puls-powervr-7xtp-shder-compile-failed-no-error/3302)
**Author:** [@chen](https://forums.imgtec.com/u/chen)\ **Replies:** 0\ **Last updated:** [November 10, 2020, 8:44am UTC](https://forums.imgtec.com/t/meizu-pro-7puls-powervr-7xtp-shder-compile-failed-no-error/3302 "2020-11-10T08:44:59Z")
Hi, I have a shader that doesn’t compile on Android MEIZU PRO 7PULS PowerVR 7XTP glGetShaderInfoLog return “compile failed” with no error info Hope someone can shed some light on this… thank you! \`#version 310 es #… --- ## [HSR Efficiency always at 0%](https://forums.imgtec.com/t/hsr-efficiency-always-at-0/3285)
**Author:** [@jsantos](https://forums.imgtec.com/u/jsantos)\ **Replies:** 10\ **Last updated:** [October 5, 2020, 5:22pm UTC](https://forums.imgtec.com/t/hsr-efficiency-always-at-0/3285 "2020-10-05T17:22:22Z")
I am trying to discover why my single app with two overlapped triangles has 0% HSR Efficiency (counter exposed in PVRTune). Alpha blending is disabled. The app just clear the screen and draw two 2D triangles on the scre… --- ## [Zero-Copy v4l2 capture](https://forums.imgtec.com/t/zero-copy-v4l2-capture/3278)
**Author:** [@supreeth](https://forums.imgtec.com/u/supreeth)\ **Replies:** 1\ **Last updated:** [September 15, 2020, 2:16pm UTC](https://forums.imgtec.com/t/zero-copy-v4l2-capture/3278 "2020-09-15T14:16:44Z")
I am building an application which needs to capture an image from 4 different cameras, process image using OpenCV build with OpenCL and stitches 4 Images at the end. I am new to this stream, I was able to build an appli… --- ## [KTX to PNG is not working](https://forums.imgtec.com/t/ktx-to-png-is-not-working/3266)
**Author:** [@ktxtopng](https://forums.imgtec.com/u/ktxtopng)\ **Replies:** 13\ **Last updated:** [September 14, 2020, 10:40am UTC](https://forums.imgtec.com/t/ktx-to-png-is-not-working/3266 "2020-09-14T10:40:51Z")
Hi, I’m trying to convert a KTX image to the PNG format with the PVRTexTool. When I use the GUI tool, open up the KTX file, and click save as image, the image is converted perfectly. However, this is too slow. I have tho… --- ## [PVRTexTool major flaws](https://forums.imgtec.com/t/pvrtextool-major-flaws/2656)
**Author:** [@alecazam123](https://forums.imgtec.com/u/alecazam123)\ **Replies:** 7\ **Last updated:** [August 25, 2020, 5:04am UTC](https://forums.imgtec.com/t/pvrtextool-major-flaws/2656 "2020-08-25T05:04:25Z")
The PVRTexTool premultiplies alpha into the rgb channels. I’m encoding single channel textures that happen to have an alpha channel of 0. Even though I set -alpha Image0001.png,a to force alpha=1, but apparently the … --- ## [PVRTexToolCLI failing to generate ASTC with astcenc v2.0](https://forums.imgtec.com/t/pvrtextoolcli-failing-to-generate-astc-with-astcenc-v2-0/3249)
**Author:** [@alecazam123](https://forums.imgtec.com/u/alecazam123)\ **Replies:** 2\ **Last updated:** [August 23, 2020, 5:44pm UTC](https://forums.imgtec.com/t/pvrtextoolcli-failing-to-generate-astc-with-astcenc-v2-0/3249 "2020-08-23T17:44:03Z")
This underlying tool for ASTC encoding was recently updated, and the command line arguments were changed on some of the options. This causes PVRTexToolCLI to fail when calling it to encode. Since I can’t see the comman… --- ## [How to understand PVRTune export data per process?](https://forums.imgtec.com/t/how-to-understand-pvrtune-export-data-per-process/3199)
**Author:** [@jiu](https://forums.imgtec.com/u/jiu)\ **Replies:** 3\ **Last updated:** [August 20, 2020, 12:09pm UTC](https://forums.imgtec.com/t/how-to-understand-pvrtune-export-data-per-process/3199 "2020-08-20T12:09:33Z")
Hi, I am trying to get CPU active FPS Render active Tiler active per process. But unlike the PVRTune GUI window, the CSV file data do not show the process name or PID, so how to find data belong to which process? Bel… [Previous page](https://forums.imgtec.com/c/powervr-insider-graphics/8.md?page=2) [Next page](https://forums.imgtec.com/c/powervr-insider-graphics/8.md?page=4)