From 5ca6f4cee300ea12fe3616a6499c40043aeff59b Mon Sep 17 00:00:00 2001
From: Ben Ashbaugh <ben.ashbaugh@intel.com>
Date: Wed, 6 Nov 2024 21:08:46 -0800
Subject: [PATCH] fixes for Windows

---
 samples/extensions/khr/externalmemory/main.c         |  6 ++++--
 samples/extensions/khr/externalmemory/main.cpp       |  6 ++++--
 samples/extensions/khr/externalmemory/vulkan_utils.h | 10 ++++++----
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/samples/extensions/khr/externalmemory/main.c b/samples/extensions/khr/externalmemory/main.c
index 330576b4..59ea67c9 100644
--- a/samples/extensions/khr/externalmemory/main.c
+++ b/samples/extensions/khr/externalmemory/main.c
@@ -575,10 +575,11 @@ int main(int argc, char* argv[])
 
     // Create OpenCL buffers from Vulkan external memory file descriptors.
     cl_mem_properties ext_mem_props_x[] = {
-        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
 #ifdef _WIN32
+        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR,
         (cl_mem_properties)handle_x,
 #else
+        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
         (cl_mem_properties)fd_x,
 #endif
         (cl_mem_properties)CL_MEM_DEVICE_HANDLE_LIST_KHR,
@@ -587,10 +588,11 @@ int main(int argc, char* argv[])
         0
     };
     cl_mem_properties ext_mem_props_y[] = {
-        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
 #ifdef _WIN32
+        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR,
         (cl_mem_properties)handle_y,
 #else
+        (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
         (cl_mem_properties)fd_y,
 #endif
         (cl_mem_properties)CL_MEM_DEVICE_HANDLE_LIST_KHR,
diff --git a/samples/extensions/khr/externalmemory/main.cpp b/samples/extensions/khr/externalmemory/main.cpp
index 2f6c7e8b..ef929819 100644
--- a/samples/extensions/khr/externalmemory/main.cpp
+++ b/samples/extensions/khr/externalmemory/main.cpp
@@ -483,10 +483,11 @@ int main(int argc, char* argv[])
 
         // Create OpenCL buffers from Vulkan external memory file descriptors.
         std::vector<cl_mem_properties> ext_mem_props_x = {
-            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
 #ifdef _WIN32
+            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR,
             (cl_mem_properties)handle_x,
 #else
+            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
             (cl_mem_properties)fd_x,
 #endif
             (cl_mem_properties)CL_MEM_DEVICE_HANDLE_LIST_KHR,
@@ -495,10 +496,11 @@ int main(int argc, char* argv[])
             0
         };
         std::vector<cl_mem_properties> ext_mem_props_y = {
-            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
 #ifdef _WIN32
+            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR,
             (cl_mem_properties)handle_y,
 #else
+            (cl_mem_properties)CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR,
             (cl_mem_properties)fd_y,
 #endif
             (cl_mem_properties)CL_MEM_DEVICE_HANDLE_LIST_KHR,
diff --git a/samples/extensions/khr/externalmemory/vulkan_utils.h b/samples/extensions/khr/externalmemory/vulkan_utils.h
index ff6730e0..74b2c561 100644
--- a/samples/extensions/khr/externalmemory/vulkan_utils.h
+++ b/samples/extensions/khr/externalmemory/vulkan_utils.h
@@ -278,10 +278,12 @@ find_suitable_device(VkInstance instance,
          ++platform_id)
     {
         cl_uint cl_platform_devices_count = 0;
-        OCLERROR_RET(clGetDeviceIDs(platforms[platform_id],
-                                    CL_DEVICE_TYPE_ALL, 0, NULL,
-                                    &cl_platform_devices_count),
-                     error, candidates);
+        error = clGetDeviceIDs(platforms[platform_id], CL_DEVICE_TYPE_ALL, 0,
+                               NULL, &cl_platform_devices_count);
+        if (error != CL_SUCCESS && error != CL_DEVICE_NOT_FOUND)
+        {
+            goto candidates;
+        }
 
         for (cl_uint cl_candidate_id = 0;
              cl_candidate_id < cl_platform_devices_count;