Questions tagged [framebuffer]
In general a framebuffer is a graphic hardware-independent abstraction layer used to display output to a monitor or display.
framebuffer
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Display NumPy array as an image using fbi on Ubuntu
I would like to display a NumPy array as an image on the screen from a Python script. I need to do this without starting X, so I can't use OpenCV, PIL, etc.
Is it possible to do this using fbi in a ...
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Why is the framebuffer texture completley blank?
I have this problem, where I have 2 framebuffers. And I draw to a different one each frame. So on the first frame it would be the first framebuffer, then the second, then the first again and so on. ...
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WebGL color conversion during gl.readPixels()
I'm copying a framebuffer to a pixel buffer object.
Is there a way during the call of gl.readPixels() to go from RGBA to only RED ?
In OpenGL, we can control the glReadPixels() transfer with ...
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Can't read frame buffer colormap information using ioctl on raspberry pi
I am working on Raspberry Pi 4, with raspios bullseye-arm-64-lite (version 11).
I want to configure the frame buffer to 8-bits per pixel and use a custom colormap.
I configured the frame buffer to 8-...
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C# Linux Framebuffer Unsafe byte[] to CairoSharp ImageSurface
I am trying to create an image surface in c# CairoSharp using these two constructors:
public ImageSurface(byte[] data, Format format, int width, int height, int stride); public ImageSurface(IntPtr ...
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WebGL FrameBuffer gets chopped to size of canvas
I have recently tried to learn WebGL so im trying to make 2d game with tiled map,
most of code that renders sprites are pasted from a guide that I used to learn some basics.
Problem:
It only renders ...
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GL_INVALID_OPERAION in glDrawElements while rendering to Framebuffer from external texture
I am trying to render the contents of an external texture (which gets its data from android MediaCodec) to a framebuffer with a texture atttachment (first pass) and then using that texture to render ...
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C (OSDev) - How could I shift the contents of a 32-bit framebuffer upwards efficiently?
I'm working on writing a hobby operating system. Currently a large struggle that I'm having is attempting to scroll the framebuffer upwards.
It's simply a 32-bit linear framebuffer.
I have access to ...
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How to get white (or other) color on FBTERM and CURSES without scrambling BOX drawing characters?
My question & current states:
I'm writing TUI software that is on fbterm using python-curses library.
My objective here is to get some colors, most importantly PURE WHITE color.
My current state: ...
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Delayed Pixel Buffer Read from Multiple Framebuffers on GL_TEXTURE_2D_ARRAY
Using Android, OpenGL ES 3.0
Attempting to write multiple layers of a GL_TEXTURE_2D_ARRAY using framebuffer objects to create heightmaps in sequence, and then read from all of the layers of the ...
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GL_INVALID_OPERATION: Only array uniforms may have count > 1. Framebuffer in webgl2
I got it spot light.
I cut most interest part of code. it almost all there related with framebuffer:
App.operation.draws.drawSquareTex = function(object) {
var lighting = true;
// eslint-disable-...
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WebGL - Rendering to framebuffer instead of to canvas example extended
The Goal
I am trying to extend the WebGL Render to Texture Tutorial to learn WebGL better. So far, I've been able to adjust it so that it renders an image textured-cube instead:
Now, what I'm trying ...
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Wrong camera movement and wrong rendering result using the framebuffer - LearnOpenGL [closed]
I wonder if you can help me...
I followed learnopengl.com and learned the details about framebuffer. However when I am creating my own scene I found that when I press key "W", the camera ...
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Rendering to framebuffer and then to screen has reduced quality
I seem to have a problem with my rendering. When I render to a framebuffer and then to screen, the images just seem less vibrant and kind of faded. Even simple ones.
In the picture above, the pink ...
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How to do a linear frame buffer in assembly
I am using Bochs and trying to develop a simple operating system, using Assembly and C.
I have chosen to use 1024x768 at 24bpp, but I cannot write to the majority of the screen as 0xa0000 to 0xaffff ...
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