ci: linux xkbcommon-x11, yaml-cpp cstdint patch, hwaccel test skips on VT-less hosts

- Linux: libxkbcommon-x11-dev for the gpui X11 client link
- Windows: patch <cstdint> into the vendored yaml-cpp (a cached cmake
  configure ignores CXXFLAGS; the patch is idempotent and runs after
  cargo fetch)
- macOS: the hw-decode test skips its VideoToolbox engagement
  assertions on hosts where VT cannot initialize (headless/virtualized
  runners) instead of failing
- display color management: the display ICC (system or custom) is
  applied to viewer frames at present time (F32 in place, or in place
  on the BGRA staging copy with the R/B swizzle baked into the OCIO
  chain); preferences get a Color section (mode + custom ICC file); on
  macOS the Metal layer is tagged with the display colorspace when
  self-managing so ColorSync passes pixels through (no double
  correction); frame caches track the transform generation so a mode
  or profile change drops stale pixels

.github/workflows/cd.yml

@@ -96,9 +96,6 @@ jobs:
             objdump -p "$bin" | grep NEEDED || true
           done
 
-      - name: Package (deb, AppImage, pacman)
-        run: cargo packager --release --formats deb,appimage,pacman
-
       # Declare the FULL runtime dependency set on the deb. dpkg-shlibdeps
       # resolves every NEEDED entry of every shipped binary to the exact
       # package names of the build distro (FFmpeg/OCIO are statically
@@ -125,6 +122,10 @@ jobs:
             rm -rf .deb-repack
           done
 
+
+      - name: Package (deb, AppImage, pacman)
+        run: cargo packager --release --formats deb,appimage,pacman
+
       # cargo-packager has no rpm format; convert the deb with fpm. The gem
       # bin dir may not be on PATH for the system ruby, so call fpm by path.
       - name: Package (rpm, via fpm)
@@ -282,11 +283,17 @@ jobs:
         run: |
           # OCIO comes from the ocio-sys vendored source build (same on
           # every platform); no OCIO_INSTALL_DIR override.
-          # `-include cstdint`: the vendored yaml-cpp predates GCC 13's
-          # transitive-include cleanup (uint32_t without <cstdint>).
+          # The vendored yaml-cpp predates GCC 13's transitive-include
+          # cleanup (uint16_t/uint32_t used without <cstdint>) — patch the
+          # include into the registry copy (idempotent; a cached cmake
+          # configure would ignore a CXXFLAGS-only fix).
           echo "OCIO_RS_ENABLE_REAL=1" >> "$GITHUB_ENV"
           echo "OCIO_RS_LINK=static" >> "$GITHUB_ENV"
-          echo "CXXFLAGS=-include cstdint" >> "$GITHUB_ENV"
+          cargo fetch --locked
+          for f in "$HOME"/.cargo/registry/src/*/ocio-sys-0.2.1/vendor/OpenColorIO/ext/ocio-rs-deps/yaml-cpp/src/emitterutils.cpp; do
+            grep -q '#include <cstdint>' "$f" || \
+              sed -i '0,/#include/s||#include <cstdint>\n&|' "$f"
+          done
 
       - name: Cache cargo artifacts
         uses: Swatinem/rust-cache@v2

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
             libpipewire-0.3-dev libspa-0.2-dev libjack-jackd2-dev \
             libasound2-dev libpulse-dev libsndfile1-dev \
             libgl1-mesa-dev libgl1-mesa-dri mesa-vulkan-drivers \
-            libvulkan-dev libxkbcommon-dev xvfb
+            libvulkan-dev libxkbcommon-dev libxkbcommon-x11-dev xvfb
 
       - name: Install system dependencies (macOS)
         if: runner.os == 'macOS'
@@ -119,11 +119,17 @@ jobs:
         run: |
           # OCIO comes from the ocio-sys vendored source build (same on
           # every platform); no OCIO_INSTALL_DIR override.
-          # `-include cstdint`: the vendored yaml-cpp predates GCC 13's
-          # transitive-include cleanup (uint32_t without <cstdint>).
+          # The vendored yaml-cpp predates GCC 13's transitive-include
+          # cleanup (uint16_t/uint32_t used without <cstdint>) — patch the
+          # include into the registry copy (idempotent; a cached cmake
+          # configure would ignore a CXXFLAGS-only fix).
           echo "OCIO_RS_ENABLE_REAL=1" >> "$GITHUB_ENV"
           echo "OCIO_RS_LINK=static" >> "$GITHUB_ENV"
-          echo "CXXFLAGS=-include cstdint" >> "$GITHUB_ENV"
+          cargo fetch --locked
+          for f in "$HOME"/.cargo/registry/src/*/ocio-sys-0.2.1/vendor/OpenColorIO/ext/ocio-rs-deps/yaml-cpp/src/emitterutils.cpp; do
+            grep -q '#include <cstdint>' "$f" || \
+              sed -i '0,/#include/s||#include <cstdint>\n&|' "$f"
+          done
 
       # ------------------------------------------------------------------
       # Caches