diff --git a/include/CL/cl_ext.h b/include/CL/cl_ext.h
index 710bea8..5078e8f4 100644
--- a/include/CL/cl_ext.h
+++ b/include/CL/cl_ext.h
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008-2013 The Khronos Group Inc.
+ * Copyright (c) 2008-2015 The Khronos Group Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and/or associated documentation files (the
@@ -12,6 +12,11 @@
  * The above copyright notice and this permission notice shall be included
  * in all copies or substantial portions of the Materials.
  *
+ * MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
+ * KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
+ * SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
+ *    https://www.khronos.org/registry/
+ *
  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
@@ -134,15 +139,15 @@
  * cl_khr_initalize_memory extension *
  *************************************/
     
-#define CL_CONTEXT_MEMORY_INITIALIZE_KHR            0x200E
+#define CL_CONTEXT_MEMORY_INITIALIZE_KHR            0x2030
     
     
 /**************************************
  * cl_khr_terminate_context extension *
  **************************************/
     
-#define CL_DEVICE_TERMINATE_CAPABILITY_KHR          0x200F
-#define CL_CONTEXT_TERMINATE_KHR                    0x2010
+#define CL_DEVICE_TERMINATE_CAPABILITY_KHR          0x2031
+#define CL_CONTEXT_TERMINATE_KHR                    0x2032
 
 #define cl_khr_terminate_context 1
 extern CL_API_ENTRY cl_int CL_API_CALL clTerminateContextKHR(cl_context /* context */) CL_EXT_SUFFIX__VERSION_1_2;
@@ -281,7 +286,7 @@
     /* Legal values will be defined in layered extensions. */
     cl_uint  allocation_type;
             
-	/* Host cache policy for this external memory allocation. */
+    /* Host cache policy for this external memory allocation. */
     cl_uint  host_cache_policy;
 
 } cl_mem_ext_host_ptr;
@@ -308,6 +313,292 @@
 
 #endif /* CL_VERSION_1_1 */
 
+#if defined(CL_VERSION_1_2)
+
+/******************************************
+ * cl_img_yuv_image extension *
+ ******************************************/
+
+/* Image formats used in clCreateImage */
+#define CL_NV21_IMG                                 0x40D0
+#define CL_YV12_IMG                                 0x40D1
+
+/******************************************
+ * cl_img_cached_allocations extension *
+ ******************************************/
+
+/* Flag values used by clCreteBuffer */
+#define CL_MEM_USE_UNCACHED_CPU_MEMORY_IMG         	(1 << 26)
+#define CL_MEM_USE_CACHED_CPU_MEMORY_IMG           	(1 << 27)
+
+/******************************************
+ * cl_img_use_gralloc_ptr extension *
+ ******************************************/
+
+/* Flag values used by clCreteBuffer */
+#define CL_MEM_USE_GRALLOC_PTR_IMG                 	(1 << 28)
+
+/* To be used by clGetEventInfo: */
+#define CL_COMMAND_ACQUIRE_GRALLOC_OBJECTS_IMG      0x40D2
+#define CL_COMMAND_RELEASE_GRALLOC_OBJECTS_IMG      0x40D3
+
+/* Error code from clEnqueueReleaseGrallocObjectsIMG */
+#define CL_GRALLOC_RESOURCE_NOT_ACQUIRED_IMG        0x40D4
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueAcquireGrallocObjectsIMG(cl_command_queue      /* command_queue */,
+                                  cl_uint               /* num_objects */,
+                                  const cl_mem *        /* mem_objects */,
+                                  cl_uint               /* num_events_in_wait_list */,
+                                  const cl_event *      /* event_wait_list */,
+                                  cl_event *            /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueReleaseGrallocObjectsIMG(cl_command_queue      /* command_queue */,
+                                  cl_uint               /* num_objects */,
+                                  const cl_mem *        /* mem_objects */,
+                                  cl_uint               /* num_events_in_wait_list */,
+                                  const cl_event *      /* event_wait_list */,
+                                  cl_event *            /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+#endif /* CL_VERSION_1_2 */
+
+#ifdef CL_VERSION_2_0
+/*********************************
+* cl_khr_subgroups extension
+*********************************/
+#define cl_khr_subgroups 1
+
+/* cl_kernel_sub_group_info is declared in CL.h. */
+
+/* cl_kernel_sub_group_info */
+#define CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR	0x2033
+#define CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR		0x2034
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clGetKernelSubGroupInfoKHR(cl_kernel /* in_kernel */,
+						   cl_device_id /*in_device*/,
+						   cl_kernel_sub_group_info /* param_name */,
+						   size_t /*input_value_size*/,
+						   const void * /*input_value*/,
+						   size_t /*param_value_size*/,
+						   void* /*param_value*/,
+						   size_t* /*param_value_size_ret*/ ) CL_EXT_SUFFIX__VERSION_2_0_DEPRECATED;
+						   
+typedef CL_API_ENTRY cl_int
+     ( CL_API_CALL * clGetKernelSubGroupInfoKHR_fn)(cl_kernel /* in_kernel */,
+						      cl_device_id /*in_device*/,
+						      cl_kernel_sub_group_info /* param_name */,
+						      size_t /*input_value_size*/,
+						      const void * /*input_value*/,
+						      size_t /*param_value_size*/,
+						      void* /*param_value*/,
+						      size_t* /*param_value_size_ret*/ ) CL_EXT_SUFFIX__VERSION_2_0_DEPRECATED;
+#endif /* CL_VERSION_2_0 */
+
+#ifdef CL_VERSION_2_1
+/*********************************
+* cl_khr_priority_hints extension
+*********************************/
+#define cl_khr_priority_hints 1
+
+typedef cl_uint  cl_queue_priority_khr;
+
+/* cl_command_queue_properties */
+#define CL_QUEUE_PRIORITY_KHR 0x1096
+
+/* cl_queue_priority_khr */
+#define CL_QUEUE_PRIORITY_HIGH_KHR (1<<0)
+#define CL_QUEUE_PRIORITY_MED_KHR (1<<1)
+#define CL_QUEUE_PRIORITY_LOW_KHR (1<<2)
+
+#endif /* CL_VERSION_2_1 */
+
+#ifdef CL_VERSION_2_1
+/*********************************
+* cl_khr_throttle_hints extension
+*********************************/
+#define cl_khr_throttle_hints 1
+
+typedef cl_uint  cl_queue_throttle_khr;
+
+/* cl_command_queue_properties */
+#define CL_QUEUE_THROTTLE_KHR 0x1097
+
+/* cl_queue_throttle_khr */
+#define CL_QUEUE_THROTTLE_HIGH_KHR (1<<0)
+#define CL_QUEUE_THROTTLE_MED_KHR (1<<1)
+#define CL_QUEUE_THROTTLE_LOW_KHR (1<<2)
+
+#endif /* CL_VERSION_2_1 */
+
+#ifdef CL_VERSION_2_2
+/*********************************
+* cl_khr_subgroup_named_barrier
+*********************************/
+#define cl_khr_subgroup_named_barrier 1
+
+/* cl_device_info */
+#define CL_DEVICE_MAX_NAMED_BARRIER_COUNT_KHR       0x2035
+
+#endif /* CL_VERSION_2_2 */
+
+/**********************************
+ * cl_arm_import_memory extension *
+ **********************************/
+
+#ifdef CL_VERSION_1_0
+
+typedef intptr_t cl_import_properties_arm;
+
+/* Default and valid proporties name for cl_arm_import_memory */
+#define CL_IMPORT_TYPE_ARM                        0x40B2
+
+/* Host process memory type default value for CL_IMPORT_TYPE_ARM property */
+#define CL_IMPORT_TYPE_HOST_ARM                   0x40B3
+
+/* DMA BUF memory type value for CL_IMPORT_TYPE_ARM property */
+#define CL_IMPORT_TYPE_DMA_BUF_ARM                0x40B4
+
+/* Secure DMA BUF memory type value for CL_IMPORT_TYPE_ARM property */
+#define CL_IMPORT_TYPE_SECURE_ARM                 0x40B5
+
+/* This extension adds a new function that allows for direct memory import into
+ * OpenCL via the clImportMemoryARM function.
+ *
+ * Memory imported through this interface will be mapped into the device's page
+ * tables directly, providing zero copy access. It will never fall back to copy
+ * operations and aliased buffers.
+ *
+ * Types of memory supported for import are specified as additional extension
+ * strings.
+ *
+ * This extension produces cl_mem allocations which are compatible with all other
+ * users of cl_mem in the standard API.
+ *
+ * This extension maps pages with the same properties as the normal buffer creation
+ * function clCreateBuffer.
+ */
+extern CL_API_ENTRY cl_mem CL_API_CALL
+clImportMemoryARM( cl_context context,
+                   cl_mem_flags flags,
+                   const cl_import_properties_arm *properties,
+                   void *memory,
+                   size_t size,
+                   cl_int *errcode_ret) CL_EXT_SUFFIX__VERSION_1_0;
+
+
+#endif /* CL_VERSION_1_0 */
+
+/******************************************
+ * cl_arm_shared_virtual_memory extension *
+ ******************************************/
+
+#ifdef CL_VERSION_1_2
+
+/* Used by clGetDeviceInfo */
+#define CL_DEVICE_SVM_CAPABILITIES_ARM                  0x40B6
+
+/* Used by clGetMemObjectInfo */
+#define CL_MEM_USES_SVM_POINTER_ARM                     0x40B7
+
+/* Used by clSetKernelExecInfoARM: */
+#define CL_KERNEL_EXEC_INFO_SVM_PTRS_ARM                0x40B8
+#define CL_KERNEL_EXEC_INFO_SVM_FINE_GRAIN_SYSTEM_ARM   0x40B9
+
+/* To be used by clGetEventInfo: */
+#define CL_COMMAND_SVM_FREE_ARM                         0x40BA
+#define CL_COMMAND_SVM_MEMCPY_ARM                       0x40BB
+#define CL_COMMAND_SVM_MEMFILL_ARM                      0x40BC
+#define CL_COMMAND_SVM_MAP_ARM                          0x40BD
+#define CL_COMMAND_SVM_UNMAP_ARM                        0x40BE
+
+/* Flag values returned by clGetDeviceInfo with CL_DEVICE_SVM_CAPABILITIES_ARM as the param_name. */
+#define CL_DEVICE_SVM_COARSE_GRAIN_BUFFER_ARM           (1 << 0)
+#define CL_DEVICE_SVM_FINE_GRAIN_BUFFER_ARM             (1 << 1)
+#define CL_DEVICE_SVM_FINE_GRAIN_SYSTEM_ARM             (1 << 2)
+#define CL_DEVICE_SVM_ATOMICS_ARM                       (1 << 3)
+
+/* Flag values used by clSVMAllocARM: */
+#define CL_MEM_SVM_FINE_GRAIN_BUFFER_ARM                (1 << 10)
+#define CL_MEM_SVM_ATOMICS_ARM                          (1 << 11)
+
+typedef cl_bitfield cl_svm_mem_flags_arm;
+typedef cl_uint     cl_kernel_exec_info_arm;
+typedef cl_bitfield cl_device_svm_capabilities_arm;
+
+extern CL_API_ENTRY void * CL_API_CALL
+clSVMAllocARM(cl_context       /* context */,
+              cl_svm_mem_flags_arm /* flags */,
+              size_t           /* size */,
+              cl_uint          /* alignment */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY void CL_API_CALL
+clSVMFreeARM(cl_context        /* context */,
+             void *            /* svm_pointer */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueSVMFreeARM(cl_command_queue  /* command_queue */,
+                    cl_uint           /* num_svm_pointers */,
+                    void *[]          /* svm_pointers[] */,
+                    void (CL_CALLBACK * /*pfn_free_func*/)(cl_command_queue /* queue */,
+                                                           cl_uint          /* num_svm_pointers */,
+                                                           void *[]         /* svm_pointers[] */,
+                                                           void *           /* user_data */),
+                    void *            /* user_data */,
+                    cl_uint           /* num_events_in_wait_list */,
+                    const cl_event *  /* event_wait_list */,
+                    cl_event *        /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueSVMMemcpyARM(cl_command_queue  /* command_queue */,
+                      cl_bool           /* blocking_copy */,
+                      void *            /* dst_ptr */,
+                      const void *      /* src_ptr */,
+                      size_t            /* size */,
+                      cl_uint           /* num_events_in_wait_list */,
+                      const cl_event *  /* event_wait_list */,
+                      cl_event *        /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueSVMMemFillARM(cl_command_queue  /* command_queue */,
+                       void *            /* svm_ptr */,
+                       const void *      /* pattern */,
+                       size_t            /* pattern_size */,
+                       size_t            /* size */,
+                       cl_uint           /* num_events_in_wait_list */,
+                       const cl_event *  /* event_wait_list */,
+                       cl_event *        /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueSVMMapARM(cl_command_queue  /* command_queue */,
+                   cl_bool           /* blocking_map */,
+                   cl_map_flags      /* flags */,
+                   void *            /* svm_ptr */,
+                   size_t            /* size */,
+                   cl_uint           /* num_events_in_wait_list */,
+                   const cl_event *  /* event_wait_list */,
+                   cl_event *        /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueSVMUnmapARM(cl_command_queue  /* command_queue */,
+                     void *            /* svm_ptr */,
+                     cl_uint           /* num_events_in_wait_list */,
+                     const cl_event *  /* event_wait_list */,
+                     cl_event *        /* event */) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clSetKernelArgSVMPointerARM(cl_kernel    /* kernel */,
+                            cl_uint      /* arg_index */,
+                            const void * /* arg_value */) CL_EXT_SUFFIX__VERSION_1_2;
+extern CL_API_ENTRY cl_int CL_API_CALL
+clSetKernelExecInfoARM(cl_kernel            /* kernel */,
+                       cl_kernel_exec_info_arm  /* param_name */,
+                       size_t               /* param_value_size */,
+                       const void *         /* param_value */) CL_EXT_SUFFIX__VERSION_1_2;
+
+#endif /* CL_VERSION_1_2 */
+
 #ifdef __cplusplus
 }
 #endif