Finished implementation

.editorconfig

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+root = true
+
+[*.{kt,kts}]
+indent_size = 4
+insert_final_newline = true
+disabled_rules = no-wildcard-imports

.github/workflows/android.yml

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+name: Android
+
+on: [ push, workflow_dispatch ]
+
+env:
+  NATIVE_PROJECT_SUBDIR: sgbmdepth/src/main/cpp
+  BUILD_SUBDIR: build
+  ABIS: "armeabi-v7a arm64-v8a x86 x86_64"
+  TOOLCHAIN_SUBPATH: build/cmake/android.toolchain.cmake
+  C_COMPILER_SUBPATH: toolchains/llvm/prebuilt/linux-x86_64/bin/clang
+  CXX_COMPILER_SUBPATH: toolchains/llvm/prebuilt/linux-x86_64/bin/clang++
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Run ktlint
+        run: ./gradlew ktlintCheck
+
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - uses: nttld/setup-ndk@v1
+        id: setup-ndk
+        with:
+          ndk-version: r23b
+          add-to-path: false
+
+      - name: Cache native-build-related files
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cmodule
+            ${{github.workspace}}/${{env.NATIVE_PROJECT_SUBDIR}}/${{env.BUILD_SUBDIR}}
+          key: ${{runner.os}}-native-build-cache
+
+      - name: Prepare OpenCV
+        env:
+          NDK: ${{steps.setup-ndk.outputs.ndk-path}}
+        working-directory: ${{env.NATIVE_PROJECT_SUBDIR}}
+        run: |
+          for ABI in $ABIS; do
+            if [ ! -f "${{env.BUILD_SUBDIR}}/opencv-build-$ABI/OpenCVConfig.cmake" ]; then
+              echo "Preparing OpenCV for $ABI"
+              cmake -D CMAKE_TOOLCHAIN_FILE="$NDK/$TOOLCHAIN_SUBPATH" \
+                    -D CMAKE_C_COMPILER="$NDK/$C_COMPILER_SUBPATH" \
+                    -D CMAKE_CXX_COMPILER="$NDK/$CXX_COMPILER_SUBPATH" \
+                    -D ANDROID_ABI=$ABI \
+                    -D BUILD_DIR_SUFFIX=$ABI \
+                    -D ADD_ANDROID_ABI_CHECK=ON \
+                    -P BuildOpenCV.cmake
+            else
+              echo "OpenCV for $ABI already prepared"
+            fi
+          done
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build Android library
+        run: ./gradlew :sgbmdepth:build
+
+      - name: Build Android app
+        run: ./gradlew :app:build

.github/workflows/native.yml

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+name: Native
+
+on: [ push, workflow_dispatch ]
+
+env:
+  BUILD_TYPE: Debug
+  PROJECT_SUBDIR: sgbmdepth/src/main/cpp
+  BUILD_SUBDIR: build
+
+defaults:
+  run:
+    shell: bash
+    working-directory: sgbmdepth/src/main/cpp  # Must be the same as env.PROJECT_SUBDIR
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: hendrikmuhs/[email protected]
+
+      - name: Cache build artifacts
+        uses: actions/cache@v3
+        with:
+          path: ${{github.workspace}}/${{env.PROJECT_SUBDIR}}/${{env.BUILD_SUBDIR}}
+          key: ${{runner.os}}-build-cache-v5
+
+      - name: Prepare OpenCV
+        run: cmake -P BuildOpenCV.cmake
+
+      - name: Configure CMake
+        run: |
+          cmake -B ${{env.BUILD_SUBDIR}} \
+                -D CMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
+                -D CMAKE_EXPORT_COMPILE_COMMANDS=ON \
+                -D BUILD_EXAMPLES=ON
+
+      - name: Build
+        run: cmake --build ${{env.BUILD_SUBDIR}} --config ${{env.BUILD_TYPE}}
+
+  build-java-bridge:
+    runs-on: ubuntu-latest
+
+    env:
+      CC: clang
+      CXX: clang++
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: hendrikmuhs/[email protected]
+
+      - name: Cache build artifacts
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cmodule
+            ${{github.workspace}}/${{env.PROJECT_SUBDIR}}/${{env.BUILD_SUBDIR}}
+          key: ${{runner.os}}-build-cache-bridge
+
+      - name: Prepare OpenCV
+        run: cmake -P BuildOpenCV.cmake
+
+      - name: Configure CMake
+        run: |
+          cmake -B ${{env.BUILD_SUBDIR}} \
+                -D CMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
+                -D SCAPIX_BRIDGE=java
+
+      - name: Build
+        run: cmake --build ${{env.BUILD_SUBDIR}} --config ${{env.BUILD_TYPE}}
+
+  lint:
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Cache build artifacts
+        uses: actions/cache@v3
+        with:
+          path: ${{github.workspace}}/${{env.PROJECT_SUBDIR}}/${{env.BUILD_SUBDIR}}
+          key: ${{runner.os}}-build-cache-v5
+
+      - name: Configure linters
+        run: |
+          pip install cpplint
+          sudo apt-get install clang-tidy
+
+      - name: Run cpplint
+        run: cpplint --recursive --quiet .
+
+      - name: Run clang-tidy
+        run: run-clang-tidy -p ${{env.BUILD_SUBDIR}}

.gitignore

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+*.iml
+.gradle
+/local.properties
+.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties