From 9b34f88c8a138631a049fa45efc928868ab76d3e Mon Sep 17 00:00:00 2001
From: Yichao Yu <yyc1992@gmail.com>
Date: Sun, 22 Jun 2014 13:22:11 +0800
Subject: [PATCH] get_platform_version
---
src/c_wrapper/platform.cpp | 30 ++++++++++++++++++++++++++++++
src/c_wrapper/platform.h | 2 ++
2 files changed, 32 insertions(+)
diff --git a/src/c_wrapper/platform.cpp b/src/c_wrapper/platform.cpp
index f0f5b5aa..20e36bcf 100644
--- a/src/c_wrapper/platform.cpp
+++ b/src/c_wrapper/platform.cpp
@@ -2,6 +2,9 @@
#include "device.h"
#include "clhelper.h"
+#include <stdlib.h>
+#include <regex>
+
namespace pyopencl {
template class clobj<cl_platform_id>;
@@ -28,6 +31,33 @@ platform::get_info(cl_uint param_name) const
}
}
+static const std::regex ver_regex("^OpenCL ([0-9]+)\\.([0-9]+).*");
+
+void
+get_platform_version(cl_platform_id plat, int *major, int *minor)
+{
+ char s_buff[128];
+ size_t size;
+ pyopencl_buf<char> d_buff(0);
+ char *name = s_buff;
+ pyopencl_call_guarded(clGetPlatformInfo, plat, CL_PLATFORM_VERSION,
+ 0, nullptr, buf_arg(size));
+ if (size > sizeof(s_buff)) {
+ d_buff.resize(size);
+ name = d_buff.get();
+ }
+ pyopencl_call_guarded(clGetPlatformInfo, plat, CL_PLATFORM_VERSION,
+ size_arg(name, size), buf_arg(size));
+ std::cmatch ver_match;
+ if (!std::regex_match(name, ver_match, ver_regex)) {
+ throw clerror("get_platform_version", CL_INVALID_VALUE,
+ "platform returned non-conformant "
+ "platform version string");
+ }
+ *major = atoi(name + ver_match.position(1));
+ *minor = atoi(name + ver_match.position(2));
+}
+
}
// c wrapper
diff --git a/src/c_wrapper/platform.h b/src/c_wrapper/platform.h
index 4ef0ce89..1c47123a 100644
--- a/src/c_wrapper/platform.h
+++ b/src/c_wrapper/platform.h
@@ -23,6 +23,8 @@ public:
extern template void print_clobj<platform>(std::ostream&, const platform*);
+void get_platform_version(cl_platform_id plat, int *major, int *minor);
+
// }}}
}
--
GitLab