please help me

[xoureldeen]

please check this source code
https://github.com/epicstudios856/vectras-x11

the framebuffer sliced and the colors shifted wrong and i dont know why

[xoureldeen]

https://github.com/epicstudios856/vectras-x11/blob/main/app/src/main/cpp/xdraw.c

[PangBaiWork]

it looks like that you use bitmap to draw framebuffer.The performance cost will be higher than that of ANativeWindow.In fact I've never tried this method,which may require some data conversion(due to the data format). You can get buffer fortmat form Ximage and the copy buffer in format form Xvfb_screen0 fd,there are some different between rgb and rgba too ，so it may need to add alpha channels manually.
I also thought about getting image data through fd at the beginning of the project. It will bring a better performance and avoid the memory defect of Ximage.But we need some tests before that.

[xoureldeen]

now i do what u say but image corrupted, sorry can u check it again?

[xoureldeen]

[xoureldeen]

i do what u say now, can u check the code and contribute pls

[PangBaiWork]

the fbfd is not just an array of pixels.It is a data buffer in xwd format.There are some relevant information https://en.wikipedia.org/wiki/Xwd.
I may start it at summer vacation.Or You can try to finish it first.

[PangBaiWork]

At present, the method of using x protocol to get ximage is available, this method does not need fd, and may be more suitable for a xserver.

[xoureldeen]

ok thanks alot, i will try this

[xoureldeen]

i need libX11.a source code to use XOpenDisplay(0)

[PangBaiWork]

i need libX11.a source code to use XOpenDisplay(0)

You can build it with termux.

[xoureldeen]

How?, sorry im noob about x11 things

[PangBaiWork]

How?, sorry im noob about x11 things

There are many ways to get x11 lib
you can build it with this build system https://github.com/termux/termux-packages.
or find libx11-static/stable installed by termux.
or directly use the elf file in my project.
If app connect Xserver in TCP/IP these are all available.

[xoureldeen]

I thinks ur prebuilt libX11 uses co.pangbai.dowork, is thats right?

Now termux packages dosent build on my xubuntu server without reason

[PangBaiWork]

I thinks ur prebuilt libX11 uses co.pangbai.dowork, is thats right?

Now termux packages dosent build on my xubuntu server without reason

you can use github action .there are automatic build scripts
https://github.com/termux/termux-packages/actions/workflows/packages.yml

[xoureldeen]

[xoureldeen]

libX11 libXau libX11-xcb libXcursor libdmcp libXext libXtst libxcb libandroid-support

[xoureldeen]

[PangBaiWork]

the package called libx11 ,not libX11.and you should edit your package name of app in https://github.com/termux/termux-packages/blob/master/scripts/properties.sh

[xoureldeen]

[xoureldeen]

https://github.com/epicstudios856/termux-packages/blob/master/scripts/properties.sh

[PangBaiWork]

edit package.yml and remove "-I"

[xoureldeen]

ok thanks, i think now this time for using termux bootstraps instead of proot

[xoureldeen]

xvfb
ld.lld: error: undefined symbol: libandroid_shmget

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)

ld.lld: error: undefined symbol: libandroid_shmat

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)

ld.lld: error: undefined symbol: libandroid_shmctl

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)
clang-17: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:655: test_xcb_image_shm] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/home/builder/.termux-build/xcb-util-image/build/test'
make[1]: *** [Makefile:435: all-recursive] Error 1
make[1]: Leaving directory '/home/builder/.termux-build/xcb-util-image/build'
make: *** [Makefile:367: all] Error 2
Error: Process completed with exit code 2.

[PangBaiWork]

xvfb
ld.lld: error: undefined symbol: libandroid_shmget

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)

ld.lld: error: undefined symbol: libandroid_shmat

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)

ld.lld: error: undefined symbol: libandroid_shmctl

referenced by test_xcb_image_shm.c
test_xcb_image_shm-test_xcb_image_shm.o:(main)
clang-17: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:655: test_xcb_image_shm] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/home/builder/.termux-build/xcb-util-image/build/test'
make[1]: *** [Makefile:435: all-recursive] Error 1
make[1]: Leaving directory '/home/builder/.termux-build/xcb-util-image/build'
make: *** [Makefile:367: all] Error 2
Error: Process completed with exit code 2.

add package libandroid-shmem

[xoureldeen]

after 50m

[PangBaiWork]

after 50m

Consider pulling docker to compile locally

[xoureldeen]

[xoureldeen]

then?

[xoureldeen]

now the remaining thing is assets xvfb executable files

[PangBaiWork]

now the remaining thing is assets xvfb executable files

add package xorg-server-xvfb，

and extract all deb packages and put them in assets (unexpectedly, my busy time may continue.there are still some details you need to deal with yourself.)

[xoureldeen]

Thx

[xoureldeen]

termux/termux-packages#20336

[PangBaiWork]

termux/termux-packages#20336

I haven't had a problem like this before. you can try running the termux-package script in termux.termux-package is always updated, and the results of the latest scripts may be different from week to week.now, xvfb seems to depends on mesa, so the package built may be much larger than before.

[xoureldeen]

So what machine and os u built xvfb on and what u mean by termux.termux-package

[PangBaiWork]

So what machine and os u built xvfb on and what u mean by termux.termux-package

I'd like to say this, but this should not be the solution, because the package name cannot be changed at this time.As a matter of fact, I failed to build just now(in termux).termux-package maintainers may be needed to solve this problem(build mesa).

[xoureldeen]

so how u built xvfb in assets dir

[PangBaiWork]

so how u built xvfb in assets dir

I'm sorry. I've forgotten. I need some time to try.