Clear OpenCL buffers to all 0's after allocating

vinceonline · Nov 23, 2018 · 5219fe7 · 5219fe7
1 parent bbeb697
commit 5219fe7
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/clUtil/clContext.cpp b/clUtil/clContext.cpp
@@ -45,7 +45,7 @@ cl_mem cl::CLContext::malloc(size_t size, cl_mem_flags flags)
     cl_int err = 0;
     cl_mem ptr = clCreateBuffer(_ctx, flags, size, NULL, &err);
     clCall(err);
-
+    this->memset(ptr, 0, size);
     return ptr;
 }
 
@@ -70,9 +70,9 @@ void cl::CLContext::copyDeviceToHost(cl_mem devicePtr, void *hostPtr, size_t siz
     clCall(clEnqueueReadBuffer(_queue, devicePtr, CL_TRUE, 0, size, hostPtr, 0, NULL, NULL));
 }
 
-void cl::CLContext::memset(cl_mem devicePtr, int value, size_t size)
+void cl::CLContext::memset(cl_mem devicePtr, unsigned char value, size_t size)
 {
-    clCall(clEnqueueFillBuffer(_queue, devicePtr, &value, sizeof(int), 0, size, NULL, NULL, NULL));
+    clCall(clEnqueueFillBuffer(_queue, devicePtr, &value, sizeof(unsigned char), 0, size, NULL, NULL, NULL));
 }
 
 cl::CLProgram::CLProgram(cl::CLContext &ctx, std::string srcFile) : _ctx(ctx)

diff --git a/clUtil/clContext.h b/clUtil/clContext.h
@@ -27,7 +27,7 @@ class CLContext {
 
     cl_mem malloc(size_t size, cl_mem_flags flags = CL_MEM_READ_WRITE);
     void free(cl_mem mem);
-    void memset(cl_mem mem, int value, size_t size);
+    void memset(cl_mem mem, unsigned char value, size_t size);
     void copyHostToDevice(const void *hostPtr, cl_mem devicePtr, size_t size);
     void copyHostToDevice(const void *hostPtr, cl_mem devicePtr, size_t offset, size_t size);
     void copyDeviceToHost(cl_mem devicePtr, void *hostPtr, size_t size);