diff options
Diffstat (limited to 'gpr/source/lib/dng_sdk/dng_memory.cpp')
| -rw-r--r-- | gpr/source/lib/dng_sdk/dng_memory.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/gpr/source/lib/dng_sdk/dng_memory.cpp b/gpr/source/lib/dng_sdk/dng_memory.cpp new file mode 100644 index 0000000..8934e89 --- /dev/null +++ b/gpr/source/lib/dng_sdk/dng_memory.cpp @@ -0,0 +1,204 @@ +/*****************************************************************************/
+// Copyright 2006 Adobe Systems Incorporated
+// All Rights Reserved.
+//
+// NOTICE: Adobe permits you to use, modify, and distribute this file in
+// accordance with the terms of the Adobe license agreement accompanying it.
+/*****************************************************************************/
+
+/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_memory.cpp#1 $ */
+/* $DateTime: 2012/05/30 13:28:51 $ */
+/* $Change: 832332 $ */
+/* $Author: tknoll $ */
+
+/*****************************************************************************/
+
+#include "dng_memory.h"
+
+#include "dng_bottlenecks.h"
+#include "dng_exceptions.h"
+ +#include "gpr_allocator.h" +
+/*****************************************************************************/
+
+dng_memory_data::dng_memory_data ()
+
+ : fBuffer (NULL)
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_memory_data::dng_memory_data (uint32 size)
+
+ : fBuffer (NULL)
+
+ {
+
+ Allocate (size);
+
+ }
+
+/*****************************************************************************/
+
+dng_memory_data::~dng_memory_data ()
+ {
+
+ Clear ();
+
+ }
+
+/*****************************************************************************/
+
+void dng_memory_data::Allocate (uint32 size)
+ {
+
+ Clear ();
+
+ if (size)
+ { + + fBuffer = (char*)gpr_global_malloc(size);
+ + if (!fBuffer)
+ {
+
+ ThrowMemoryFull ();
+
+ }
+
+ }
+
+ }
+
+/*****************************************************************************/
+
+void dng_memory_data::Clear ()
+ {
+
+ if (fBuffer)
+ { + gpr_global_free(fBuffer);
+
+ fBuffer = NULL;
+
+ }
+
+ }
+
+/*****************************************************************************/
+
+dng_memory_block * dng_memory_block::Clone (dng_memory_allocator &allocator) const
+ {
+
+ uint32 size = LogicalSize ();
+
+ dng_memory_block * result = allocator.Allocate (size);
+
+ DoCopyBytes (Buffer (), result->Buffer (), size);
+
+ return result;
+
+ }
+
+/*****************************************************************************/
+
+class dng_malloc_block : public dng_memory_block
+ {
+
+ private:
+
+ void *fMalloc;
+
+ public:
+
+ dng_malloc_block (uint32 logicalSize);
+
+ virtual ~dng_malloc_block ();
+
+ private:
+
+ // Hidden copy constructor and assignment operator.
+
+ dng_malloc_block (const dng_malloc_block &block);
+
+ dng_malloc_block & operator= (const dng_malloc_block &block);
+
+ };
+
+/*****************************************************************************/
+
+dng_malloc_block::dng_malloc_block (uint32 logicalSize)
+
+ : dng_memory_block (logicalSize)
+
+ , fMalloc (NULL)
+
+ {
+
+#if qLinux
+
+ int err = ::posix_memalign( (void **) &fMalloc, 16, (size_t) PhysicalSize() );
+
+ if (err)
+ {
+
+ ThrowMemoryFull ();
+
+ }
+
+#else
+ + fMalloc = (char*)gpr_global_malloc( PhysicalSize ());
+
+ if (!fMalloc)
+ {
+
+ ThrowMemoryFull ();
+
+ }
+
+#endif // qLinux
+
+ SetBuffer (fMalloc);
+
+ }
+
+/*****************************************************************************/
+
+dng_malloc_block::~dng_malloc_block ()
+ {
+
+ if (fMalloc)
+ { + gpr_global_free( fMalloc );
+ }
+
+ }
+
+/*****************************************************************************/
+
+dng_memory_block * dng_memory_allocator::Allocate (uint32 size)
+ {
+
+ dng_memory_block *result = new dng_malloc_block (size);
+
+ if (!result)
+ {
+
+ ThrowMemoryFull ();
+
+ }
+
+ return result;
+
+ }
+
+/*****************************************************************************/
+
+dng_memory_allocator gDefaultDNGMemoryAllocator;
+
+/*****************************************************************************/
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