diff --git a/scripts.d/10-mingw.sh b/scripts.d/10-mingw.sh
index 3b72531..845dd73 100755
--- a/scripts.d/10-mingw.sh
+++ b/scripts.d/10-mingw.sh
@@ -27,6 +27,7 @@ ffbuild_dockerbuild() {
     local myconf=(
         --prefix="/usr/$FFBUILD_TOOLCHAIN"
         --host="$FFBUILD_TOOLCHAIN"
+        --with-default-win32-winnt="0x601"
         --enable-idl
     )
 
diff --git a/scripts.d/45-opencl.sh b/scripts.d/45-opencl.sh
new file mode 100755
index 0000000..3ea413a
--- /dev/null
+++ b/scripts.d/45-opencl.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+HEADERS_REPO="https://github.com/KhronosGroup/OpenCL-Headers.git"
+HEADERS_COMMIT="b316a57d5b8e3ae4a19c3b344c52ba86a4b7e790"
+
+LOADER_REPO="https://github.com/KhronosGroup/OpenCL-ICD-Loader.git"
+LOADER_COMMIT="b3b483303b160db080857288c1b53e8152f62b98"
+
+ffbuild_enabled() {
+    return 0
+}
+
+ffbuild_dockerstage() {
+    to_df "ADD $SELF /stage.sh"
+    to_df "RUN run_stage"
+}
+
+ffbuild_dockerbuild() {
+    mkdir opencl && cd opencl
+
+    git-mini-clone "$HEADERS_REPO" "$HEADERS_COMMIT" headers
+    mkdir -p "$FFBUILD_PREFIX"/include/CL
+    cp -r headers/CL/* "$FFBUILD_PREFIX"/include/CL/.
+
+    git-mini-clone "$LOADER_REPO" "$LOADER_COMMIT" loader
+    cd loader
+
+    mkdir build && cd build
+
+    cmake -DCMAKE_TOOLCHAIN_FILE="$FFBUILD_CMAKE_TOOLCHAIN" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="$FFBUILD_PREFIX" -DOPENCL_ICD_LOADER_HEADERS_DIR="$FFBUILD_PREFIX"/include -DBUILD_SHARED_LIBS=OFF -DOPENCL_ICD_LOADER_DISABLE_OPENCLON12=ON -DOPENCL_ICD_LOADER_PIC=ON -DOPENCL_ICD_LOADER_BUILD_TESTING=OFF ..
+    make -j$(nproc)
+    make install
+
+    echo "prefix=$FFBUILD_PREFIX" > OpenCL.pc
+    echo "exec_prefix=\${prefix}" >> OpenCL.pc
+    echo "libdir=\${exec_prefix}/lib" >> OpenCL.pc
+    echo "includedir=\${prefix}/include" >> OpenCL.pc
+    echo >> OpenCL.pc
+    echo "Name: OpenCL" >> OpenCL.pc
+    echo "Description: OpenCL ICD Loader" >> OpenCL.pc
+    echo "Version: 9999" >> OpenCL.pc
+    echo "Libs: -L\${libdir} -lOpenCL" >> OpenCL.pc
+    echo "Libs.private: -lole32 -lshlwapi -lcfgmgr32" >> OpenCL.pc
+    echo "Cflags: -I\${includedir}" >> OpenCL.pc
+
+    mkdir -p "$FFBUILD_PREFIX"/lib/pkgconfig
+    mv OpenCL.pc "$FFBUILD_PREFIX"/lib/pkgconfig/OpenCL.pc
+
+    cd ../../..
+    rm -rf opencl
+}
+
+ffbuild_configure() {
+    echo --enable-opencl
+}
+
+ffbuild_unconfigure() {
+    echo --disable-opencl
+}