Added a double precision test build in CI.

.github/workflows/gdextension_build.yml

@@ -70,7 +70,7 @@ jobs:
           platform: windows
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: windows.${{matrix.target}}.${{matrix.arch}}
+          artifact: libdd3d-windows.${{matrix.target}}.${{matrix.arch}}
           additional: lto=yes
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
           use_cache: ${{env.USE_CACHE}}
@@ -100,7 +100,7 @@ jobs:
           platform: linux
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: linux.${{matrix.target}}.${{matrix.arch}}
+          artifact: libdd3d-linux.${{matrix.target}}.${{matrix.arch}}
           additional: lto=yes
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
           use_cache: ${{env.USE_CACHE}}
@@ -130,7 +130,7 @@ jobs:
           platform: macos
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: macos.${{matrix.target}}.${{matrix.arch}}
+          artifact: libdd3d-macos.${{matrix.target}}.${{matrix.arch}}
           additional: lto=yes macos_deployment_target=10.14
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
           use_cache: ${{env.USE_CACHE}}
@@ -160,7 +160,7 @@ jobs:
           platform: ios
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: ios.${{matrix.target}}.${{matrix.arch}}
+          artifact: libdd3d-ios.${{matrix.target}}.${{matrix.arch}}
           additional: lto=yes
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
           use_cache: ${{env.USE_CACHE}}
@@ -210,7 +210,7 @@ jobs:
           platform: android
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: android.${{matrix.target}}.${{matrix.arch}}
+          artifact: libdd3d-android.${{matrix.target}}.${{matrix.arch}}
           additional: lto=yes
           additional_enabled_dd3d: false
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
@@ -253,13 +253,54 @@ jobs:
           platform: web
           target: ${{matrix.target}}
           arch: ${{matrix.arch}}
-          artifact: web.${{matrix.target}}.${{matrix.arch}}.threads_${{matrix.threads}}
+          artifact: libdd3d-web.${{matrix.target}}.${{matrix.arch}}.threads_${{matrix.threads}}
           additional: lto=yes threads=${{matrix.threads}}
           output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
           use_cache: ${{env.USE_CACHE}}
 
   # ============================================
 
+  double-debug-gdextension:
+    name: "2️⃣ Double debug: ${{matrix.runner-os}}, Plat-${{matrix.platform}}"
+    runs-on: ${{matrix.runner-os}}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # sync with other jobs
+        runner-os: [ubuntu-20.04, macos-latest, windows-latest]
+        include:
+          - runner-os: ubuntu-20.04
+            platform: "linux"
+            arch: "x86_64"
+          - runner-os: macos-latest
+            platform: "macos"
+            arch: "universal"
+          - runner-os: windows-latest
+            platform: "windows"
+            arch: "x86_64"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Compile GDExtension
+        uses: ./.github/actions/compile_gdextension
+        with:
+          platform: ${{matrix.platform}}
+          target: "editor"
+          arch: ${{matrix.arch}}
+          artifact: libdouble-${{matrix.platform}}.${{matrix.arch}}
+          additional: lto=yes precision=double fix_precision_enabled=yes shader_world_coords_enabled=no
+          output_libs_path: ${{env.OUTPUT_LIBS_PATH}}
+          use_cache: ${{env.USE_CACHE}}
+          token: ${{secrets.TELEMETRY_TOKEN}}
+
+
+  # ============================================
+
   collect-gdextension:
     needs:
       [
@@ -282,6 +323,7 @@ jobs:
       - name: Download Binaries
         uses: actions/download-artifact@v4
         with:
+          pattern: libdd3d-*
           path: extracted_files
 
       - name: Store all libraries in one directory