Questions tagged [opengles]

OpenGL ES is a cross-platform API for 2D and 3D graphics on embedded systems. It has different subset profiles of desktop OpenGL for fixed function hardware and programmable hardware.

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Running the PC version of Minecraft on a Pi

In my never ending quest to try and get a Raspberry Pi to run the full PC version of Minecraft, I think I came across something that could help. I nearly have the program booting up on its own. I'm using a tricked out version of LWJGL that disabled…
moocow1452
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How to display graphical text without X using C?

Using the Raspberry Pi 2 with the official 7" touchscreen, I want to display some high quality text without using an Xorg server. I'm looking for APIs that provide simple functions such as: Render_text ("hello", x,y, blue, size, "nicefontX"); Such…
Zogger
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Running Modern Opengl on raspberry pi

Is there any way to "enable" modern OpenGL on the Raspberry Pi (specifically the Raspberry Pi3)? I would like to use C++ instead of Python, since I'm a lot more familiar with it. I know there is a way of creating graphics using pyOpenGL and pyGame,…
user76098
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eglGetDisplay failed to add service on the raspberry pi 3

I tried to follow this tutorial. But when I execute it I have this error : > * failed to add service - already in use ? The memory split is equal to 192Mb and the Pi is connected by HDMI to a monitor. One more question, is it better to do OpenGL…
Vipe
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How to use OpenGL via SDL2?

I am looking for a "Hello World" type example that makes use of OpenGL-ES2 via SDL2. So far I could gather: SDL2 that ships with Raspbian does not support OpenGL-ES2 out of the box SDL-2.0.3 manually compiled from source should support OpenGL-ES2…
Grumbel
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Why won't SDL 2.0 give me an OpenGL ES 2.0 window?

I have a small SDL 2.0 program (detailed below) that refuses to give me a window, complaining about not being able to initialize its OpenGL ES library. Program: #include "bcm_host.h" #include #include #include int…
fouric
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GPGPU simple example

I am programming ARM assembly on raspberry and I am wondering whether and how it is possible to access GPU. I already looked userland repo, but I completely do not understand the stucture. I would love to see some example how to do some very simple…
Tomas
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GTK Warnings and libGL errors when using x11-Forwarding on SSH

I'm having issues when working on my RaspberryPi via SSH on MobaXterm that I can't resolve by myself. Appearantly there are some driver issues when using SSH and running programs that require the openGL library. I've tested the problem with glxgears…
HackXIt
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OpenGL GLX error when using libfreenect with Kinect

I am trying to set up libfreenect to work with the Pi, to be able to capture images from the Kinect. There are a lot of discussions all around the web on this topic, but as far as I can tell no-one has reported a success story. I have been…
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SDL2 performance

Is it possible to use SDL2 with 2D hardware accelerated rendering on Raspberry Pi? If 2D hardware accelerated rendering is possible on the device, how do you check to see that your application is using hardware acceleration? i.e. How do you ensure…
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Minimal Kiosk GUI on PI

I'm trying to work out how to build a minimal OpenGL application on Raspian. Once complete, I don't require command line or Window Manager access (outwith the Application itself) however will require HIDs ideally including interfaces for…
Wren
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How to use OpenGL (ES) through Python

I recently got my Pi and thought to give OpenGL another try. So I searched around for OpenGL Python modules as this would be my first choice as language. Although I'm aware that there are differences between the basic OpenGL and OpenGL ES I tried…
wagnerpeer
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EGL and OpenGL ES forwarding via SSH

I've tried to access my Raspberry Pi(running Raspbian) using SSH with -X flag. On my host machine(Ubuntu 14.04 x64), I can run graphic programs like browser, however, when I want to execute the sample program of OpenGL ES with EGL from…
Han
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Raspberry Pi 4 GPU math

So there is support for Open GL ES 3.1, but how can I use it on the Raspberry Pi 4? Is there any other way to use the GPU for calculations such as fft and logarithm?
Hneggbrand
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Transition between two images on Raspberry Pi using Hardware Acceleration

Disclaimer: Newb to Pi with a JavaScript programing background. I've been at it for two weeks now (researching and trying different things) to create an image slideshow on the Pi but using hardware acceleration. I've tried several libraries like…
Victor Diaz
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