Events2Join

Offscreen Rendering using OpenGL and EGL


Rendering with OpenGL ES 2.x/3.x to a DMA buffer / physical ...

When one wants to render from a DMA buffer (using its physical address) in OpenGL ES 2.x/3.x - that is, the GPU shall get the pixels from that DMA buffer.

Offscreen framebuffer is not complete, error 0x8cdd - Roboti LLC

My guess is that whatever OpenGL implementation you are using does not support framebuffer objects. Headless mode is supposed to use EGL, because the regular ...

Create Texutre from EGL Image - Graphics and GPU Programming

What's an EGL image? FBO has 3 uses. As a offscreen render buffer. For example, you render your scene to this and use glReadPixels and then save ...

Xlib, (GLX or EGL), OpenGL. Stuck at double buffering not working ...

... EGL in Ada, I am failing to get double buffering to work. Generally its working, eg. I get sample code from OpenGLAda rendering fine in ... off-screen render ...

eglCreatePixmapSurface - PowerVR Developer Community Forums

... offscreen rendering should wor ... currently I'm trying to get some code to work on my Ubuntu Linux PC, using the OpenGL ES 1.1 framework (latest ...

Offscreen rendering - SDL Development - Simple Directmedia Layer

... use offscreen mesa to render offscreen, so I know this is possible. ... Looks like I don't have any egl devices because I did not compile mesa ...

The state of offscreen rendering - JOGL Development - JVM Gaming

Perhaps you can back up and explain your need and usage of offscreen rendering in your Swing app. What functionality of OpenGL/JOGL do you need especially ...

Offscreen rendering to framebuffer object - Qt Forum

I need help with rendering to framebuffer object. I am making CAD ... with-an-opengl-hack/. In my Viewer class object, in its initializeGL ...

how to temporarily turn off/on multisampling for an OpenGL ES 2.0 ...

In my OpenGL ES 2.0 Android app, I render to an EGL surface with >= 2 samples; I obtain this surface by passing: EGL14.EGL_SAMPLES, 2 as part of the attribute_ ...

Pbuffers best way to render offscreen? - jogl - jogamp

State of the art for offscreen rendering is now the "Framebuffer Object" (FBO). If u have no backward compatiblity issues with legacy hardware ...

openGL offscreen rendering - wxWidgets Discussion Forum

In our application we use openGL extensively, both for drawing on windows and offscreen (using AppleGL pBuffers). I was looking for similar ...

Off-screen rendering and x-windows - #5 by dougbinks - GLFW

ramsan: Wouldn't be a valuable addition for glfw that, when requesting an offscreen context without a visible window, the library used egl ...

Off-line visualization - Development - MRtrix3 Community

Well, technically there's no reason why OpenGL can't be used for off-screen (headless) rendering: it's perfectly fine to draw to a framebuffer ...

Do offscreen render(openGL) with Qt5 - Qt Centre Forum

I want to do offscreen rendering, but have no luck These are the codes, I have no any idea why the FBO(frame buffer object) always give me a blank ...

Rendering to a Texture Rendering to an Offscreen Framebuffer

In OpenGL, objects are pointed to by an unsigned integer handle. You can assign a value for this handle yourself (not recommended), or have OpenGL generate.

Drawing Offscreen - Apple Developer

Drawing Offscreen. OpenGL applications may want to use OpenGL to render images without actually displaying them to the user.

Opengl with offscreen rendering - SDL Development

Opengl with offscreen rendering · allocate a pbuffer using the suitable platform-dependent (glX, WGL or whatever) extension · draw your stuff ...

EGL Off-Screen rendering using GBM - Programmer Sought

What is EGL? EGL is an intermediate interface layer between the OpenGL ES rendering API and the native platform window system. It is mainly implemented by ...

opengl offscreen rendering in linux is slow [duplicate]

My opengl application runs at about 110 fps. The moment I add off-screen rendering, it slows down to 15 fps. I am using frame buffer objects and glReadPixels ...


Pixel buffer

Pixel buffer or pBuffer is a feature in OpenGL and OpenGL ES platform interfaces which allows for off-screen rendering. It is specified as an extension to WGL API, and a core feature of GLX & EGL.