multiwindow/gg: add cross-platform multiwindow services and lifecycle safety (#28134)

Author: GGRei

.github/actions/cache-apt-packages-action/action.yml

@@ -37,7 +37,7 @@ runs:
             packages='postgresql sqlite3 libpq-dev libssl-dev libsqlite3-dev'
             ;;
           graphics)
-            packages='imagemagick openimageio-tools xvfb xsel xclip libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev libx11-dev freeglut3-dev mesa-common-dev libgl1-mesa-dev libgl1-mesa-dri xfonts-75dpi xfonts-base'
+            packages='imagemagick openimageio-tools xvfb xsel xclip libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev libx11-dev libx11-xcb-dev freeglut3-dev mesa-common-dev libgl1-mesa-dev libgl1-mesa-dri xfonts-75dpi xfonts-base'
             ;;
           sdl)
             packages='libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev libsdl2-image-dev libsdl2-net-dev libpng-dev libsamplerate0-dev'
@@ -46,7 +46,7 @@ runs:
             packages='clang valgrind postgresql sqlite3 libpq-dev libssl-dev libsqlite3-dev libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev'
             ;;
           full)
-            packages='expect binutils postgresql sqlite3 clang valgrind imagemagick openimageio-tools xvfb xsel xclip libsodium-dev libpq-dev libssl-dev libsqlite3-dev libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev libx11-dev freeglut3-dev mesa-common-dev libgl1-mesa-dev libgl1-mesa-dri libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev libsdl2-image-dev libsdl2-net-dev libpng-dev libsamplerate0-dev xfonts-75dpi xfonts-base'
+            packages='expect binutils postgresql sqlite3 clang valgrind imagemagick openimageio-tools xvfb xsel xclip libsodium-dev libpq-dev libssl-dev libsqlite3-dev libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev libx11-dev libx11-xcb-dev freeglut3-dev mesa-common-dev libgl1-mesa-dev libgl1-mesa-dri libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev libsdl2-image-dev libsdl2-net-dev libpng-dev libsamplerate0-dev xfonts-75dpi xfonts-base'
             ;;
           *)
             echo "Unknown apt package profile: $PROFILE" >&2

.github/workflows/gg_regressions_ci.yml

@@ -55,10 +55,11 @@ jobs:
           # libgl1-mesa-dri          : For headless rendering / software DRI driver (LIBGL_ALWAYS_SOFTWARE=true)
           # freeglut3-dev            : Fixes graphic apps compilation with tcc
           # libx11-dev               : X11 headers for opt-in x.multiwindow X11/Xvfb coverage
+          # libx11-xcb-dev           : shared Xlib/XCB connection for checked same-client requests
           # libwayland-dev           : Wayland headers for x.multiwindow Wayland compile/probe tests
           .github/workflows/disable_azure_mirror.sh
           ./v retry -- sudo apt update
-          ./v retry -- sudo apt install imagemagick openimageio-tools libgl1-mesa-dev libgl1-mesa-dri xvfb libxcursor-dev libxi-dev libxrandr-dev freeglut3-dev xsel xclip libx11-dev libegl-dev libwayland-dev libxkbcommon-dev libxkbcommon-x11-dev wayland-protocols
+          ./v retry -- sudo apt install imagemagick openimageio-tools libgl1-mesa-dev libgl1-mesa-dri xvfb libxcursor-dev libxi-dev libxrandr-dev freeglut3-dev xsel xclip libx11-dev libx11-xcb-dev libegl-dev libwayland-dev libxkbcommon-dev libxkbcommon-x11-dev wayland-protocols
           ./v retry -- ./v download https://raw.githubusercontent.com/tremby/imgur.sh/c98345d/imgur.sh
           ./v retry -- git clone https://github.com/Larpon/gg-regression-images gg-regression-images
           chmod +x ./imgur.sh
@@ -71,7 +72,7 @@ jobs:
           set -euo pipefail
           env -u DISPLAY -u WAYLAND_DISPLAY -u XDG_SESSION_TYPE ./v -d gg_multiwindow test vlib/x/multiwindow vlib/gg/multiwindow_api_d_gg_multiwindow_test.v vlib/gg/frame_pacing_test.v vlib/gg/draw_fns_api_test.v vlib/gg/draw_rect_empty_test.v
           env -u DISPLAY -u WAYLAND_DISPLAY -u XDG_SESSION_TYPE ./v -d gg_multiwindow -d sokol_wayland test vlib/x/multiwindow vlib/gg/multiwindow_api_d_gg_multiwindow_test.v vlib/gg/frame_pacing_test.v vlib/gg/draw_fns_api_test.v vlib/gg/draw_rect_empty_test.v
-          xvfb-run -a -s "-screen 0 1280x1024x24" env -u WAYLAND_DISPLAY -u XDG_SESSION_TYPE LIBGL_ALWAYS_SOFTWARE=true ./v -d gg_multiwindow -d x_multiwindow_x11 test vlib/x/multiwindow vlib/gg/multiwindow_api_d_gg_multiwindow_test.v vlib/gg/frame_pacing_test.v vlib/gg/draw_fns_api_test.v vlib/gg/draw_rect_empty_test.v
+          xvfb-run -a -s "-screen 0 1280x1024x24 -noreset" env -u WAYLAND_DISPLAY -u XDG_SESSION_TYPE LIBGL_ALWAYS_SOFTWARE=true ./v -d gg_multiwindow -d x_multiwindow_x11 test vlib/x/multiwindow vlib/gg/multiwindow_api_d_gg_multiwindow_test.v vlib/gg/frame_pacing_test.v vlib/gg/draw_fns_api_test.v vlib/gg/draw_rect_empty_test.v
           ./v -d gg_multiwindow -o /tmp/gg_multiwindow_default examples/gg/multiwindow.v
           ./v -d gg_multiwindow -d x_multiwindow_x11 -o /tmp/gg_multiwindow_x11 examples/gg/multiwindow.v
           ./v -d gg_multiwindow -d sokol_wayland -o /tmp/gg_multiwindow_wayland examples/gg/multiwindow.v