Made buffers of batched routines read/write (was: read-only)

1 files changed, 3 insertions, 0 deletions

diff --git a/src/clpp11.hpp b/src/clpp11.hpp
index 97045644..2335caef 100644
--- a/src/clpp11.hpp
+++ b/src/clpp11.hpp
@@ -668,6 +668,9 @@ class Buffer {
 
   // Copies from host to device: writing the device buffer a-synchronously
   void WriteAsync(const Queue &queue, const size_t size, const T* host, const size_t offset = 0) {
+    if (access_ == BufferAccess::kReadOnly) {
+      throw LogicError("Buffer: writing to a read-only buffer");
+    }
     if (GetSize() < (offset+size)*sizeof(T)) {
       throw LogicError("Buffer: target device buffer is too small");
     }