From b85bd3984614192c1ad1b9f7289765d614bee4de Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 1 Feb 2014 21:30:51 -0600
Subject: [PATCH] Only ask for write buffers in create_image and create_buffer
if USE_HOST_PTR and WRITE_ONLY or READ_WRITE is requested (reported by
Antoine Martin)
---
src/wrapper/wrap_cl.hpp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/wrapper/wrap_cl.hpp b/src/wrapper/wrap_cl.hpp
index 38667949..cce59d66 100644
--- a/src/wrapper/wrap_cl.hpp
+++ b/src/wrapper/wrap_cl.hpp
@@ -1756,7 +1756,9 @@ namespace pyopencl
if (py_hostbuf.ptr() != Py_None)
{
PYOPENCL_BUFFER_SIZE_T len;
- if (flags & CL_MEM_USE_HOST_PTR)
+ if ((flags & CL_MEM_USE_HOST_PTR)
+ && ((flags & CL_MEM_READ_WRITE)
+ || (flags & CL_MEM_WRITE_ONLY)))
{
if (PyObject_AsWriteBuffer(py_hostbuf.ptr(), &buf, &len))
throw py::error_already_set();
@@ -2236,7 +2238,9 @@ namespace pyopencl
if (buffer.ptr() != Py_None)
{
- if (flags & CL_MEM_USE_HOST_PTR)
+ if ((flags & CL_MEM_USE_HOST_PTR)
+ && ((flags & CL_MEM_READ_WRITE)
+ || (flags & CL_MEM_WRITE_ONLY)))
{
if (PyObject_AsWriteBuffer(buffer.ptr(), &buf, &len))
throw py::error_already_set();
--
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