From e2474d12380298f7e098e9fdc46f999fdaed8128 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Fri, 11 Oct 2024 10:28:09 +0800
Subject: [PATCH] OpenCL: print more detailed error messages

---
 src/detection/opencl/opencl.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/detection/opencl/opencl.c b/src/detection/opencl/opencl.c
index cb5176257..71e89a36e 100644
--- a/src/detection/opencl/opencl.c
+++ b/src/detection/opencl/opencl.c
@@ -15,8 +15,10 @@
 #define CL_TARGET_OPENCL_VERSION 110
 #ifndef __APPLE__
     #include <CL/cl.h>
+    #include <CL/cl_ext.h>
 #else
     #include <OpenCL/cl.h>
+    #include <OpenCL/cl_ext.h>
 #endif
 
 typedef struct OpenCLData
@@ -31,8 +33,23 @@ static const char* openCLHandleData(OpenCLData* data, FFOpenCLResult* result)
 {
     cl_platform_id platforms[32];
     cl_uint numPlatforms = 0;
-    if (data->ffclGetPlatformIDs(sizeof(platforms) / sizeof(platforms[0]), platforms, &numPlatforms) != CL_SUCCESS)
-        return "clGetPlatformIDs() failed";
+    cl_int ret = data->ffclGetPlatformIDs(sizeof(platforms) / sizeof(platforms[0]), platforms, &numPlatforms);
+    if (ret != CL_SUCCESS)
+    {
+        switch (ret)
+        {
+            #ifdef CL_PLATFORM_NOT_FOUND_KHR // not available on macOS
+            case CL_PLATFORM_NOT_FOUND_KHR:
+                return "clGetPlatformIDs() failed: CL_PLATFORM_NOT_FOUND_KHR";
+            #endif
+            case CL_INVALID_VALUE:
+                return "clGetPlatformIDs() failed: CL_INVALID_VALUE";
+            case CL_OUT_OF_HOST_MEMORY:
+                return "clGetPlatformIDs() failed: CL_OUT_OF_HOST_MEMORY";
+            default:
+                return "clGetPlatformIDs() failed: unknown error";
+        }
+    }
 
     if (numPlatforms == 0)
         return "clGetPlatformIDs returned 0 platforms";