Add option to build DXTex as shared lib to cmake

Author: bmarques1995

.github/workflows/bvt.yml

@@ -81,11 +81,28 @@ jobs:
             echo "::error Unknown architecture/build-type triplet mapping"
         }
 
+    - name: Get vcpkg commit hash
+      shell: pwsh
+      run: |
+        if ($Env:vcpkgRelease) {
+            echo "Using vcpkg commit from repo variable..."
+            $VCPKG_COMMIT_ID = $Env:vcpkgRelease
+        }
+        else {
+            echo "Fetching latest vcpkg commit hash..."
+            $commit = (git ls-remote https://github.com/microsoft/vcpkg.git HEAD | Select-String -Pattern '([a-f0-9]{40})').Matches.Value
+            $VCPKG_COMMIT_ID = $commit
+        }
+        Write-Host "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID"
+        echo "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID" >> $env:GITHUB_ENV
+      env:
+        vcpkgRelease: '${{ vars.VCPKG_COMMIT_ID }}'
+
     - uses: lukka/run-vcpkg@7d259227a1fb6471a0253dd5ab7419835228f7d7 # v11
       with:
         runVcpkgInstall: true
         vcpkgJsonGlob: '**/build/vcpkg.json'
-        vcpkgGitCommitId: '${{ vars.VCPKG_COMMIT_ID }}'
+        vcpkgGitCommitId: '${{ env.VCPKG_COMMIT_ID }}'
 
     - name: 'Configure CMake'
       working-directory: ${{ github.workspace }}

.github/workflows/test.yml

@@ -121,11 +121,28 @@ jobs:
             echo "::error Unknown architecture/build-type triplet mapping"
         }
 
+    - name: Get vcpkg commit hash
+      shell: pwsh
+      run: |
+        if ($Env:vcpkgRelease) {
+            echo "Using vcpkg commit from repo variable..."
+            $VCPKG_COMMIT_ID = $Env:vcpkgRelease
+        }
+        else {
+            echo "Fetching latest vcpkg commit hash..."
+            $commit = (git ls-remote https://github.com/microsoft/vcpkg.git HEAD | Select-String -Pattern '([a-f0-9]{40})').Matches.Value
+            $VCPKG_COMMIT_ID = $commit
+        }
+        Write-Host "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID"
+        echo "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID" >> $env:GITHUB_ENV
+      env:
+        vcpkgRelease: '${{ vars.VCPKG_COMMIT_ID }}'
+
     - uses: lukka/run-vcpkg@7d259227a1fb6471a0253dd5ab7419835228f7d7 # v11
       with:
         runVcpkgInstall: true
         vcpkgJsonGlob: '**/build/vcpkg.json'
-        vcpkgGitCommitId: '${{ vars.VCPKG_COMMIT_ID }}'
+        vcpkgGitCommitId: '${{ env.VCPKG_COMMIT_ID }}'
 
     - name: 'Configure CMake'
       working-directory: ${{ github.workspace }}

.github/workflows/vcpkg.yml

@@ -93,11 +93,28 @@ jobs:
             echo "::error Unknown architecture/build-type triplet mapping"
         }
 
+    - name: Get vcpkg commit hash
+      shell: pwsh
+      run: |
+        if ($Env:vcpkgRelease) {
+            echo "Using vcpkg commit from repo variable..."
+            $VCPKG_COMMIT_ID = $Env:vcpkgRelease
+        }
+        else {
+            echo "Fetching latest vcpkg commit hash..."
+            $commit = (git ls-remote https://github.com/microsoft/vcpkg.git HEAD | Select-String -Pattern '([a-f0-9]{40})').Matches.Value
+            $VCPKG_COMMIT_ID = $commit
+        }
+        Write-Host "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID"
+        echo "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID" >> $env:GITHUB_ENV
+      env:
+        vcpkgRelease: '${{ vars.VCPKG_COMMIT_ID }}'
+
     - uses: lukka/run-vcpkg@7d259227a1fb6471a0253dd5ab7419835228f7d7 # v11
       with:
         runVcpkgInstall: true
         vcpkgJsonGlob: '**/build/vcpkg.json'
-        vcpkgGitCommitId: '${{ vars.VCPKG_COMMIT_ID }}'
+        vcpkgGitCommitId: '${{ env.VCPKG_COMMIT_ID }}'
 
     - name: 'Configure CMake'
       working-directory: ${{ github.workspace }}

.github/workflows/wsl.yml

@@ -37,11 +37,28 @@ jobs:
 
     - uses: seanmiddleditch/gha-setup-ninja@96bed6edff20d1dd61ecff9b75cc519d516e6401 # v5
 
+    - name: Get vcpkg commit hash
+      shell: pwsh
+      run: |
+        if ($Env:vcpkgRelease) {
+            echo "Using vcpkg commit from repo variable..."
+            $VCPKG_COMMIT_ID = $Env:vcpkgRelease
+        }
+        else {
+            echo "Fetching latest vcpkg commit hash..."
+            $commit = (git ls-remote https://github.com/microsoft/vcpkg.git HEAD | Select-String -Pattern '([a-f0-9]{40})').Matches.Value
+            $VCPKG_COMMIT_ID = $commit
+        }
+        Write-Host "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID"
+        echo "VCPKG_COMMIT_ID=$VCPKG_COMMIT_ID" >> $env:GITHUB_ENV
+      env:
+        vcpkgRelease: '${{ vars.VCPKG_COMMIT_ID }}'
+
     - uses: lukka/run-vcpkg@7d259227a1fb6471a0253dd5ab7419835228f7d7 # v11
       with:
         runVcpkgInstall: true
         vcpkgJsonGlob: '**/build/vcpkg.json'
-        vcpkgGitCommitId: '${{ vars.VCPKG_COMMIT_ID }}'
+        vcpkgGitCommitId: '${{ env.VCPKG_COMMIT_ID }}'
 
     - name: 'Configure CMake'
       working-directory: ${{ github.workspace }}

CMakeLists.txt

@@ -17,6 +17,8 @@ project (DirectXTex
 
 option(BUILD_TOOLS "Build tex command-line tools" ON)
 
+option(BUILD_SHARED_LIBS "Build DirectXTex as a shared library" OFF)
+
 option(BUILD_SAMPLE "Build DDSView sample (requires fxc.exe)" ON)
 
 # Includes the functions for Direct3D 11 resources and DirectCompute compression
@@ -220,7 +222,12 @@ if(BUILD_DX11 AND WIN32 AND (NOT (XBOX_CONSOLE_TARGET STREQUAL "durango")))
     endif()
 endif()
 
-add_library(${PROJECT_NAME} STATIC ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
+add_library(${PROJECT_NAME} ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
+
+if(WIN32 AND BUILD_SHARED_LIBS)
+	target_compile_definitions(${PROJECT_NAME} PRIVATE DIRECTX_TEX_EXPORT)
+	target_compile_definitions(${PROJECT_NAME} INTERFACE DIRECTX_TEX_IMPORT)
+endif()
 
 if(BUILD_DX11 AND WIN32)
    target_include_directories(${PROJECT_NAME} PRIVATE ${COMPILED_SHADERS})