cmake/win32: Fix building with WITH_VULKAN_BACKEND

The shader libraries were not hooked up yet in cmake for windows since
when the shaderc libs landed there was no code yet that used it.

It's required now, so this change adds the missing bits.

build_files/cmake/platform/platform_win32.cmake

@@ -993,6 +993,23 @@ if(WITH_VULKAN_BACKEND)
   endif()
 endif()
 
+if(WITH_VULKAN_BACKEND)
+  if(EXISTS ${LIBDIR}/shaderc)
+    set(SHADERC_FOUND On)
+    set(SHADERC_ROOT_DIR ${LIBDIR}/shaderc)
+    set(SHADERC_INCLUDE_DIR ${SHADERC_ROOT_DIR}/include)
+    set(SHADERC_INCLUDE_DIRS ${SHADERC_INCLUDE_DIR})
+    set(SHADERC_LIBRARY
+      DEBUG ${SHADERC_ROOT_DIR}/lib/shaderc_shared_d.lib
+      OPTIMIZED ${SHADERC_ROOT_DIR}/lib/shaderc_shared.lib
+    )
+    set(SHADERC_LIBRARIES ${SHADERC_LIBRARY})
+  else()
+    message(WARNING "Shaderc was not found, disabling WITH_VULKAN_BACKEND")
+    set(WITH_VULKAN_BACKEND OFF)
+  endif()
+endif()
+
 if(WITH_CYCLES AND WITH_CYCLES_PATH_GUIDING)
   find_package(openpgl QUIET)
   if(openpgl_FOUND)

source/creator/CMakeLists.txt

@@ -1217,6 +1217,16 @@ elseif(WIN32)
     ALL
   )
 
+  windows_install_shared_manifest(
+    FILES ${LIBDIR}/shaderc/bin/shaderc_shared.dll
+    RELEASE
+  )
+
+  windows_install_shared_manifest(
+    FILES ${LIBDIR}/shaderc/bin/shaderc_shared_d.dll
+    DEBUG
+  )
+
   windows_install_shared_manifest(
     FILES
       ${LIBDIR}/openal/lib/OpenAL32.dll