OClCollMeshEngn: hide StagingBuffer's firstSlotOffset

2025-11-20 01:48:59 -04:00
parent 51d2a70a3f
commit e233dc51d6
4 changed files with 13 additions and 38 deletions
@@ -119,12 +119,14 @@ public:
 	/**	EXPLANATION:
 	 * Returns an iovec for OpenCL engine buffer access.
 	 * The buffer is mmap()-allocated and suitable for CL_MEM_USE_HOST_PTR.
+	 * Returns pointer to first slot (offset by firstSlotOffsetNBytes) and
+	 * size from first slot to end of buffer.
 	 */
 	struct iovec getClEngineIovec() const
 	{
 		struct iovec iov;
-		iov.iov_base = buffer.get();
-		iov.iov_len = bufferNBytes;
+		iov.iov_base = buffer.get() + firstSlotOffsetNBytes;
+		iov.iov_len = bufferNBytes - firstSlotOffsetNBytes;
 		return iov;
 	}