framebuffer Questions
0
Android Display User space - Kernel space interaction.
My current understanding is that there is a kernel driver for framebuffer which allocates the memory by calling mdss_mdp_alloc_fb_mem() This ...
Supernal asked 2/5, 2013 at 6:33
7
Solved
I am working on a project where I need to run Google chromium over Linux FrameBuffer, I need to run it without any windowing system dependency ( It should draw on the buffer we provide it to draw, ...
Ugly asked 23/6, 2011 at 7:48
1
Solved
I'm generating a texture on the GPU and rendering it to my own framebuffer object. It works fine and the texture is rendered to a WebGLTexture that I can pass to other shaders. However I want to ac...
Trishatriskelion asked 24/2, 2013 at 23:0
1
I have some c code that draws simple graphics on the linux framebuffer console. I'm also using the raspberry pi and it's composite video output. The OS is raspbian, and i'm doing a low level soluti...
Rupert asked 11/2, 2013 at 3:3
1
Solved
I am trying to get started using SDL to create a portable and pretty front end that can run under X, or directly from the terminal (hopefully on a rasberry pi at some point) - at the moment I'm on ...
Diaphaneity asked 30/1, 2013 at 23:21
1
I want to get the average color of the screen content when running XBMC to change the color of a TV ambient light. XBMC is running on a small HTPC with OpenGL ES 2.0 hardware (Raspberry Pi) running...
Twannatwattle asked 8/12, 2012 at 20:46
2
Solved
I'm working on a painting application using the LibGDX framework, and I am using their FrameBuffer class to merge what the user draws onto a solid texture, which is what they see as their drawing. ...
Mastat asked 29/12, 2012 at 19:33
1
Solved
I have seen this config flag CONFIG_FB_VIRTUAL=y
What does it do?
How does it work?
What is the relation between vfb and xvfb?
Hyaena asked 9/12, 2012 at 19:21
4
Solved
On a Mac, I've got an OpenGL setup that is working just fine apart from framebuffers - texturing works, etc. So I know that texturing is enabled, I have a valid context, etc. All works flawlessly u...
Kinsler asked 6/9, 2011 at 18:7
2
Solved
I'm confused about concept of Framebuffer and Renderbuffer. I know that they're required to render, but I want to understand them before use.
I know some bitmap buffer is required to store the tem...
Pascoe asked 6/2, 2010 at 12:14
1
I'm trying to attach a texture with internal format GL_R32UI to a framebuffer, to be used as an ID-buffer. However, glCheckFramebufferStatus keeps coming up with GL_FRAMEBUFFER_INCOMPLETE_ATTACHMEN...
Buenrostro asked 5/11, 2012 at 11:0
1
Solved
I'm starting to write a small application for Linux under the Mono framework, the application will essentially be a small kiosk front-end with very minimal user interaction. This is to replace a pr...
Artina asked 27/8, 2012 at 1:20
1
Solved
[iPad-3]-[iOS 5.0]-[Objective-C]-[XCode 4.3.3]-[Cocos2D]-[openGL|ES 2.0]
I'm learning how to use openGL|ES 2.0 and have stumbled on Frame Buffer Objects (FBO)s
Info:
I'm working with Cocos2D whic...
Shea asked 23/7, 2012 at 16:58
1
Solved
I'm looking for a python module which can display jpg or png file to /dev/fb0 directly.
I hope the the module can call and display the picture on screen by like this:
show_photo(path_to_jpg, x, y...
Recipience asked 23/7, 2012 at 7:56
1
Solved
I have a rendering system where I draw to an FBO with a multisampled renderbuffer, then blit it to another FBO with a texture in order to resolve the samples in order to read off the texture to per...
Maki asked 8/7, 2012 at 19:59
1
Solved
I am programming an Android 2d game using opengl es 2.0. After I draw my sprites to the backbuffer I draw lights to a FBO and try to blend it to the back buffer again.
When I draw the FBO to the fr...
Schmit asked 23/5, 2012 at 23:38
1
Solved
The idea is to render specific parts of a scene in a FrameBuffer object in different color attachments and then combining those using the depth buffer for the final image. in the first step I want ...
Panchito asked 1/5, 2012 at 14:14
1
Solved
off-screen rendering to a texture-bound offscreen framebuffer object should be so trivial but I'm having a problem I cannot wrap my head around.
My full sample program (2D only for now!) is here:
...
Gynecic asked 9/3, 2012 at 6:16
2
Solved
I've noticed that there now are the GL_DRAW/READ_FRAMEBUFFER extensions. Currently I am simply using GL_FRAMEBUFFER and glTextureBarrierNV. However, I have not found that much about the READ/WRITE ...
Berceuse asked 17/12, 2011 at 18:1
1
Solved
When trying to create a 32 bits RGBA CVPixelBuffer, I constantly get errors.
Most notably error -6680 which means: "The buffer does not support the specified pixel format."
This is the code frag...
Devy asked 6/11, 2011 at 18:55
1
Solved
I'm quite a bit confused about framebuffers. What I want to do is using a framebuffer with multiple textures attached, fill every texture and then use a shader to combine (blend) all textures to cr...
Savick asked 9/9, 2011 at 5:50
1
Solved
I've seen a lot of material on this subject, but there are some differences between the examples I've found and I'm having a hard time getting a solid understanding of the correct process. Hopefull...
Observe asked 26/8, 2011 at 15:55
2
I tried :
process = Runtime.getRuntime().exec("su -c cat /dev/graphics/fb0 > /sdcard/frame.raw");
process.waitFor();
but it doesn't work. My device is rooted.
I see many answers that it requ...
Aletaaletha asked 14/2, 2011 at 23:28
3
I am a developer working on a very large, memory intensive 32bit application. Running out of virtual address space (memory) is a problem for us. During my investigation of some recent issues I noti...
Herrah asked 27/6, 2011 at 15:48
2
Solved
I am working on an OpenGL application on my laptop. My app shows lots of black and white unrecognizable patterns when I try to display a monochrome image (quite large). I have a hunch that it could...
Kylstra asked 11/7, 2011 at 20:12
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