Top "Off-screen" questions

How to render offscreen on OpenGL?

My aim is to render OpenGL scene without a window, directly into a file. The scene may be larger than …

c++ windows opengl off-screen
Easiest way for offscreen rendering with QOpenGLWidget

I have a hidden QOpenGLWidget (Qt 5.4.2, NOT QGLWidget) and I want to basically continually do grab() or grabFramebuffer() to get …

qt opengl framebuffer off-screen
Creating OpenGL context without window

I'm trying to figure out what is the simplest way to create a windowless OpenGL program for offscreen rendering. Currently …

c++ windows opengl off-screen
Render MATLAB figure in memory

Are there any alternatives to using getframe and saveas for saving the contents of a figure to a raster image …

image matlab video screen-capture off-screen
android taking screenshot of offscreen page

I am working on an android application. I have an activity, say A, which fills the entire screen with views..…

android android-activity screenshot off-screen
pbuffer vs fbo in egl offscreen rendering

I'm very confused at egl pbuffer surface. In my opinion, a pbuffer surface is a platform independent surface, just like …

opengl-es egl off-screen
UIView: how to do non-destructive drawing?

My original question: I'm creating a simple drawing application and need to be able to draw over existing, previously drawn …

iphone uiview drawing cgbitmapcontextcreate off-screen
QGLWidget and fast offscreen rendering

Is it possible to render totally offscreen in a QGLWidget with Qt without the need to repaint the scene to …

c++ qt opengl framebuffer off-screen