From 74ef1db2263d73d893549cc79418f5be71753d1c Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Mon, 20 Jan 2020 17:01:15 +0000
Subject: COMPMID-2819: Fix const interface of IMemoryRegion.

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: Ib241c1b7b35645f5702de874004eced806883cd5
Reviewed-on: https://review.mlplatform.org/c/2609
Reviewed-by: Manuel Bottini <manuel.bottini@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
---
 arm_compute/runtime/CL/CLMemoryRegion.h           | 4 ++--
 arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h | 6 +++---
 arm_compute/runtime/IMemoryRegion.h               | 4 ++--
 arm_compute/runtime/MemoryRegion.h                | 4 ++--
 src/runtime/CL/CLMemoryRegion.cpp                 | 4 ++--
 src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp       | 4 ++--
 6 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arm_compute/runtime/CL/CLMemoryRegion.h b/arm_compute/runtime/CL/CLMemoryRegion.h
index 9119e27682..02ccc6b139 100644
--- a/arm_compute/runtime/CL/CLMemoryRegion.h
+++ b/arm_compute/runtime/CL/CLMemoryRegion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -83,7 +83,7 @@ public:
 
     // Inherited methods overridden :
     void                          *buffer() override;
-    void                          *buffer() const override;
+    const void                    *buffer() const override;
     std::unique_ptr<IMemoryRegion> extract_subregion(size_t offset, size_t size) override;
 
 protected:
diff --git a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
index ce95ea72ff..90137c3e60 100644
--- a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
+++ b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -78,8 +78,8 @@ public:
     virtual void unmap() = 0;
 
     // Inherited methods overridden :
-    void *buffer() override;
-    void *buffer() const override;
+    void       *buffer() override;
+    const void *buffer() const override;
 
 protected:
     void *_mapping;
diff --git a/arm_compute/runtime/IMemoryRegion.h b/arm_compute/runtime/IMemoryRegion.h
index f4d3bcacca..1a7250bbe3 100644
--- a/arm_compute/runtime/IMemoryRegion.h
+++ b/arm_compute/runtime/IMemoryRegion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -65,7 +65,7 @@ public:
      *
      * @return Pointer to the allocated data
      */
-    virtual void *buffer() const = 0;
+    virtual const void *buffer() const = 0;
     /** Memory region size accessor
      *
      * @return Memory region size
diff --git a/arm_compute/runtime/MemoryRegion.h b/arm_compute/runtime/MemoryRegion.h
index 5b45e29b2c..83e9245efa 100644
--- a/arm_compute/runtime/MemoryRegion.h
+++ b/arm_compute/runtime/MemoryRegion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -86,7 +86,7 @@ public:
     {
         return _ptr;
     }
-    void *buffer() const final
+    const void *buffer() const final
     {
         return _ptr;
     }
diff --git a/src/runtime/CL/CLMemoryRegion.cpp b/src/runtime/CL/CLMemoryRegion.cpp
index 52906a893f..7ae16ec6fc 100644
--- a/src/runtime/CL/CLMemoryRegion.cpp
+++ b/src/runtime/CL/CLMemoryRegion.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -48,7 +48,7 @@ void *ICLMemoryRegion::buffer()
     return _mapping;
 }
 
-void *ICLMemoryRegion::buffer() const
+const void *ICLMemoryRegion::buffer() const
 {
     return _mapping;
 }
diff --git a/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp b/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp
index 45fd6e8944..2ffd9f2ffc 100644
--- a/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp
+++ b/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -42,7 +42,7 @@ void *IGCMemoryRegion::buffer()
     return _mapping;
 }
 
-void *IGCMemoryRegion::buffer() const
+const void *IGCMemoryRegion::buffer() const
 {
     return _mapping;
 }
-- 
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