文件列表:

LICENSE (1086, 2019-10-23)
Makefile (430, 2019-10-23)
TODO.md (132, 2019-10-23)
images/ (0, 2019-10-23)
images/island/ (0, 2019-10-23)
images/island/CREDITS.md (77, 2019-10-23)
images/island/island-01.jpg (679813, 2019-10-23)
images/island/island-03.jpg (640298, 2019-10-23)
images/island/island-04.jpg (781874, 2019-10-23)
images/island/island-05.jpg (924558, 2019-10-23)
images/island/island-06.jpg (935854, 2019-10-23)
images/island/island-07.jpg (1000437, 2019-10-23)
images/island/island-08.jpg (751319, 2019-10-23)
images/island/island-09.jpg (738715, 2019-10-23)
images/island/island-10.jpg (705251, 2019-10-23)
images/island/island-11.jpg (786845, 2019-10-23)
images/island/island-12.jpg (592945, 2019-10-23)
images/island/island-13.jpg (507609, 2019-10-23)
include/ (0, 2019-10-23)
include/GL/ (0, 2019-10-23)
include/GL/glext.h (726860, 2019-10-23)
include/config.h (679, 2019-10-23)
include/opengl.h (390, 2019-10-23)
include/pulsefft.h (1487, 2019-10-23)
include/renderer.h (544, 2019-10-23)
include/shader.h (3039, 2019-10-23)
include/stb_image.h (260290, 2019-10-23)
include/utils.h (523, 2019-10-23)
include/xwin.h (887, 2019-10-23)
shaders/ (0, 2019-10-23)
shaders/livebg/ (0, 2019-10-23)
shaders/livebg/frag.glsl (324, 2019-10-23)
shaders/livebgfft/ (0, 2019-10-23)
shaders/livebgfft/frag.glsl (563, 2019-10-23)
shaders/livebgfft2/ (0, 2019-10-23)
shaders/livebgfft2/frag.glsl (542, 2019-10-23)
shaders/solarwind/ (0, 2019-10-23)
shaders/solarwind/frag.glsl (3638, 2019-10-23)
... ...

# xglbg Live background wallpaper in opengl for X (i3). It's made for shaders from [Shadertoy.com](https://github.com/dyuri/xglbg/blob/master/shadertoy.com). Started as a fork of [liveW](https://github.com/dyuri/xglbg/blob/master/https://github.com/dgranosa/liveW.git), but I've removed a lot of features I don't need, and rewrote some parts. Sound visualisation *inspired* by [cava](https://github.com/dyuri/xglbg/blob/master/https://github.com/karlstav/cava).  [Gallery](https://github.com/dyuri/xglbg/blob/master/https://imgur.com/gallery/WriGs3z) # Requirements - Pulseaudio - FFTW # Compiling ``` $ git clone https://github.com/dyuri/xglbg $ cd xglbg $ make ``` By default `clang` is used to compile the sources, but you can change that by setting the `COMPILER` environment variable. For example (using `gcc`): ``` $ COMPILER=gcc make ``` ## Ubuntu The following packages are required to compile the project on Ubuntu: ``` $ sudo apt install mesa-common-dev libglu1-mesa-dev freeglut3-dev libxrender-dev libpulse-dev libfftw3-dev ``` # Initial config The following command copies the included images and shaders into the configuration folder (`$XDG_CONFIG_HOME/xglbg`): ``` make config ``` # Using ``` $ ./xglbg -p _shader_name_ -i _image_theme_ ``` _shader_name_ is the name of the shaders folder inside `/shaders/` in the configuration directory. _image_theme_ is the name of the image theme folder inside `/images/` in the configuration directory. The images (PNG or JPG) in that directory will be loaded in alphabetical order based on the time of the day (`dayprogress`) and passed to the shader as `image` and `nextimage`. For example if you have 24 images (`image00.png`, `image01.png` ... `image23.png`) then at 10:20 `image10.png` will be loaded as `image` and `image11.png` will be `nextimage`. With `-s _source_` you can specify a Pulseaudio device to use, which you can obtain with: ``` $ pacmd list-sources | grep "name:" name: name: ``` You are intrested in one with .monitor on the end. The configuration directory is `$XDG_CONFIG_HOME/xglbg` which is usually `$HOME/.config/xglbg`. Example: `./xglbg -s alsa_output.pci-0000_22_00.3.analog-stereo.monitor -p equalizer -i island` ``` $ ./xglbg -h Usage: xglbg Options: -h Print help -d Turn debug on -k Plasma window setup -w Window mode -g Window geometry WIDTHxHEIGHT -o Position of window relative to top left corner TOPxLEFT (default 0x0) -t Transparency (default 1.0) -p shader name in shaders folder -i image theme in images folder -S image change speed (default 1.0) -f FPS (default 30) -D Dynamic FPS - use 1 fps if there is no sound -m mono mode -s Pulseaudio device source Specify using the name from "pacmd list-sources | grep "name:"" ``` # Multi monitor setup In most multi monitor configurations all monitors are part of one X11 screen so maybe `xglbg` will be strached through all monitors. To set `xglbg` to draw on one monitor use arguments -g (set width and height of window) and -o (distance of top-left corner of window and top-left corner of screen). ## Example If you have two monitors vertically placed with resolution 1920x1200. First monitor: `./xglbg -g 1920x1200` Second monitor: `./xglbg -g 1920x1200 -o 1920x0` # Using shaders from Shadertoy 1. Create directory inside shaders/ and copy shader code in file frag.glsl inside created folder. 2. Add to begining of the shader: ```glsl #version 430 uniform vec2 resolution; uniform float time; uniform float dayprogress; // progress of day - from 0.0 to 1.0 uniform float imageprogress; // progress of images - from 0.0 to 1.0 uniform float nrimages; // number of background images in rotation uniform int nosound; // 0 if there's sound, 1 otherwise uniform sampler1D samples; uniform sampler1D fft; uniform sampler2D image; // background image uniform sampler2D nextimage; // next background image out vec4 color; ``` 3. Rename possible colission between variables names from above inside code in something else. 4. Replace: - iResolution -> resolution - fragCoord -> gl_FragCoord - fragColor -> color - iTime -> time - void mainImage( in, out ) -> void main()

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