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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Why are textures warping after I switch computers?
I had been on a trip for a while, and I worked on my opengl project on my laptop while I was gone. When I got back a couple days ago, I decided to start working on it again, but this time on my main ...
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Embedded linux framebuffer rotate
I have to integrate an LCD screen to my embedded linux (ARM9) system. The LCD is portrait 320x480 and I need to run the screen in landscape orientation 480x320.
Using the LCD config register I can ...
CommunityBot
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D3D11 How to properly copy from swap_chain/render target
I've been trying to write a function that simply takes the backbuffer/framebuffer and saves its contents to a file.
internal unsigned char *r_get_backbuffer(Arena *arena, GFX_Window *window, int width,...
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Lvgl Overlay - Element on transparent screen
I have a simple lvgl example which runs on an embedded device. It should work like an Overlay on top of an existing image. In this case, I only want to render the text of the label thus the label and ...
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OpenGL: Render Framebuffer into Framebuffer
I am currently working on a c++ program using OpenXR with OpenGL. I managed to render everything that I wanted into VR.
I have one framebuffer per eye, and then 3 more for layers (crosshair/menu) ...
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SDL-GPU Rendering to texture results in rough edges
I have a texture and I render a circle to it using SDL-GPU, then I render this texture to the window:
#include "SDL2/SDL.h"
#include "SDL2/SDL_gpu.h"
int main() {
if (SDL_Init(...
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can we display same framebuffer side by side on screen simultaneously using DRM(direct rendering manager) APIs in linux?
can we display same framebuffer side by side on screen simultaneously using DRM(direct rendering manager) APIs in linux?
constraints:
need to use single plane and single framebuffer
what I already ...
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Program using framebuffer killed on Ubuntu 18.04 but works on Ubuntu 22.04
I'm currently developing a program that interacts with the framebuffer. The program works perfectly on Ubuntu 22.04, but it gets killed with the message "killed" on Ubuntu 18.04.
Here is the ...
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Displaying a Video with Raspberry and OpenCV problems with Framebuffer
I am pretty new in this forum, so sorry in advance if I don't know some etiquette ;)
I want to loop two videos on two screens and they have to be in perfect sync.
I am following this person's approach:...
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Using Depth FBO for shadow map causes weird behaviour
I am using Silk.Net for OpenGL interfacing, loading .obj files for model and material data.
Everything works as I would want it, and tried to add Shadow Mapping to the whole thing (following ...
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What is the relationship between framebuffer, VT, and tty?
I'm now studying what is the mechanism behind Ctrl+Alt+F1~F7.
I found some infomation talk about framebuffer, VT, and tty. I know framebuffer is an anstraction to graphic card manipulation and tty(and ...
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Android Kernel module to modify the Framebuffer
I am in search of a tutorial or guidance on how to access the framebuffer (fb0) from an Android device and modify specific pixel columns. From my research, it seems this can be achieved by creating a ...
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Building an Virtual Camera that Receives frames with RTP
I litle interduction to my Project so i have an virtual camera that i build with Directshow, Works how t supposed to work, then i installed an external library uvgRTP and made the code so i receive ...
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SDL2 on Raspberry Pi without X?
I'm hoping to develop some code that uses SDL2 to display graphics on the 7" RPi touchscreen, but I'd rather not install a full desktop OS. I've got Raspbian Buster Lite installed. Some simple ...
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Specify a display for a sink in GStreamer
I'm trying to display a video stream on a specific screen.
Right now I use the waylandsink that has display and fullscreen properties so I have:
gst-launch-1.0 videotestsrc ! waylandsink display=...
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