From e34c9738c8823baf772f2d05367e96e8a2aa0fdc Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 10 May 2014 19:28:36 -0500
Subject: [PATCH] Make get_devices() return an empty list instead of erroring
out (reported by Tomasz Rybak on the master branch)
---
src/c_wrapper/wrap_cl.cpp | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/c_wrapper/wrap_cl.cpp b/src/c_wrapper/wrap_cl.cpp
index 02c2526e..1c89e94c 100644
--- a/src/c_wrapper/wrap_cl.cpp
+++ b/src/c_wrapper/wrap_cl.cpp
@@ -463,8 +463,15 @@ namespace pyopencl
inline std::vector<cl_device_id> platform::get_devices(cl_device_type devtype)
{
cl_uint num_devices = 0;
- PYOPENCL_CALL_GUARDED(clGetDeviceIDs,
- (m_platform, devtype, 0, 0, &num_devices));
+ PYOPENCL_PRINT_CALL_TRACE("clGetDeviceIDs");
+ {
+ cl_int status_code;
+ status_code = clGetDeviceIDs(m_platform, devtype, 0, 0, &num_devices);
+ if (status_code == CL_DEVICE_NOT_FOUND)
+ num_devices = 0;
+ else if (status_code != CL_SUCCESS) \
+ throw pyopencl::error("clGetDeviceIDs", status_code);
+ }
std::vector<cl_device_id> devices(num_devices);
if (num_devices == 0)
--
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