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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QML based programm on TFT

I wrote a program with QT so I could run it on my Raspberry. It's based on QML only. I made a native build of Qt 5.5 on the Raspberry, and I can qmake / make my programs. Now I have an issue : I can't ...
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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 ...
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163 views

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 ...
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Too many texture accesses [closed]

Opengl ES 2.0, GLSL version 100. I am using window (playing with 3x3 or 5x5, ...) in fragment shader, and was wondering what is the max number of texture accesses allowed? Because when about ~ 50 ...
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PC Minecraft on Pi

In my never ending quest to try and get a Raspberry Pi to run the full PC version of Minecraft, I think it came across something that could help and nearly have the program booting up on its own. I'm ...
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ArchLinux Qt eglfs

here is what I did. I updated everything to latest, than I installed Qt5 and some related packages pacman -S gcc make qt5-base qt5-declarative qt5-imageformats qt5-multimedia qt5-quickcontrols ...
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385 views

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 ...
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How does developing an OpenGL ES application for the Raspberry Pi differ from desktop Linux?

I am beginning to learn OpenGL ES 2.0 through both the excellent book OpenGL ES 2.0 Programming Guide and the famous Arc Synthesis OpenGL tutorial. However, I have heard that the Raspberry Pi's ...
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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 ...
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OpenGL ES (EGL) without a window [closed]

I'm trying to build a small application that does some image processing. Currently I'm using OpenCV which is a bit slow. This is why I'm thinking to use OpenGL and shaders instead (see this example). ...
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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 ...
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Can WebKit render to framebuffer via OpenGL ES, EGL or some other backend?

Is there any WebKit backend that can be used with Raspi for rendering with hardware acceleration? Is it possible to use Cairo backend with OpenGL ES or something similar? I'm not very informed in ...
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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 ...
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Is hardware deinterlace possible?

Is there any idea how deinterlace would be applied using openmax components rendering into opengl? EDIT: I'm still waiting my raspberry pi to arrive, so I couldn't test anything yet. I've seen ...
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2answers
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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 ...