Top "Framebuffer" questions

In general a framebuffer is a graphic hardware-independent abstraction layer used to display output to a monitor or display.

Paint Pixels to Screen via Linux FrameBuffer

I was recently struck by a curious idea to take input from /dev/urandom, convert relevant characters to random integers, …

c linux framebuffer
What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?

I'm confused about concept of Framebuffer and Renderbuffer. I know that they're required to render, but I want to understand …

opengl rendering framebuffer
OpenGL: Trouble with Render to Texture & Framebuffer Object

I'd like to render a scene to an initially empty texture. To do so, I use a Framebuffer Object to …

opengl rendering render texture-mapping framebuffer
Linux Framebuffer set resolution correctly

I have a RaspberryPi and want to display an image fullscreen without xserver - so write it directly to the …

linux graphics raspbian framebuffer
Reading the pixels values from the Frame Buffer Object (FBO) using Pixel Buffer Object (PBO)

Can I use Pixel Buffer Object (PBO) to directly read the pixels values (i.e. using glReadPixels) from the FBO (…

opengl framebuffer fbo glreadpixels pbo
Android Graphics Internals

I haven't found a clear explanation on how the Android graphics system works, specifically, does it use a display server, …

android graphics framebuffer skia
Setting up OpenGL Multiple Render Targets

I've seen a lot of material on this subject, but there are some differences between the examples I've found and …

opengl framebuffer
How to read the current frame buffer in android?

Is there a method to read the frame buffer of the current screen? I searched some data about the frame …

android framebuffer
opengl - blending with previous contents of framebuffer

I am rendering to a texture through a framebuffer object, and when I draw transparent primitives, the primitives are blended …

opengl alphablending framebuffer render-to-texture
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