Questions tagged [opengles]

Question 1

My understanding of the how a Raspberry Pi camera attached to the CSI port of the Pi works is that the raw data from it ends up directly in the GPU where it is slightly processed and compressed before ...

Question 2

I installed Chiaki on the latest RaspberryOS, using apt install, when trying to launch it, I'm getting an EGL error: Could not initialize egl display Every search I did found only developers ...

Question 3

I have a Raspberry Pi 4B and over VNC, glxgears will only give me 1 FPS. But over regular HDMI cable to a screen, then glxgears works like a charm. So is there any problem with the VNC server inside ...

Question 4

I've been encountering some tearing issues in kodi and so chose to switch to the vc4-kms-v3d driver in my boot config. The performance in now significantly improved, however I also occasionally need ...

Question 5

I wrote a 3D visualization program in C++ called ahrs-visualizer back in 2012 for a 32-bit Raspberry Pi, basing my code on the official OpenGL example code that came with Raspbian. It does not ...

Question 6

Is there any way to use Redshift on Raspberry Pi 4? I used redshift -P -O 3700 -g 0.7 -b 0.7 and it only works from time to time. Some times after restarting it doesnt filter the blue light anymore. ...

Question 7

I'm using Raspberry Pi 4 and the OpenGL experimental is missing from raspi-config I tried sudo rpi-update sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install raspi-gpio sudo apt-get ...

Question 8

I have a freshly installed Raspberry Pi OS on my Raspberry Pi 3 Model B. According to cat /proc/device-tree/model, the OS name is "Raspbian GNU/Linux 10 (buster)". I have installed ...

Question 9

As titled, in Raspian Lite, if I enable OpenGL (fake KMS) I'm unable to rotate the screen using the /boot/config.txt file I tried: display_hdmi_rotate=1 and display_rotate=1 with no success, any ...

Question 10

I hope someone can help me, I've bought my first Rpi a few months ago and I haven't been able to use it at all because of this issue. Specs: Raspberry Pi 4 - 4GB OS: Raspberry Pi OS with desktop Fully ...

Question 11

I have made some image processing shaders to reduce the CPU load. But the slow GPU to CPU data copy is something I didn't expect. (It takes around a second to copy a single image) As far as I know, ...

Question 12

I am trying to install blender 2.79 from the software packages on my new raspberry pi4. It won’t do it. How do I install and run blender?

Question 13

I'm trying to use an app compiled with Chromium Embedded Framework (using the pre-built ARM binaries hosted by Spotify; I don't want to rebuild it myself). I'm having trouble getting hardware ...

Question 14

I'm testing a C++ program made with GLFW and it crashes with a segmentation fault on Pi 3 but not on Pi 4. The reason of the crash is the call to glGenerateMipmap(GL_TEXTURE_2D). Systems tested: ...

Question 15

I have successfully built Mesa 20.1 on Raspberry Pi OS 64bit, using burtoogle's patch (https://www.raspberrypi.org/forums/viewtopic.php?f=67&t=276207#p1681901) I followed the instructions from ...

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Questions tagged [opengles]

How do I directly process live raw camera data on the GPU without it passing though the CPU?

Chiaki on a Zero 2 failing on an egl error

Glxgears 1 FPS over VNC with RealVNC - Raspberry Pi 4 B

X server unable to launch using vc4-kms-v3d GL driver on a 8gb Pi4b+ [closed]

OpenGL on a 64-bit Raspberry Pi 4 without X

Redshift on Raspberry Pi 4 [closed]

OpenGL experimental missing

How to increase the frame rate in Stellarium

Raspberry Pi screen rotation with OpenGL enabled

Headless Rpi 4 reboots when changing resolution [closed]

Fast way to copy from GPU to CPU

I would like to install blender on my raspberry pi4 [closed]

Chromium Embedded and GLESv2

glGenerateMipmap crashes on Raspberry Pi 3

Capable of building Mesa 20.1 but unable to install

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