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      1 /*******************************************************************************
      2  * Copyright (c) 2008-2013 The Khronos Group Inc.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and/or associated documentation files (the
      6  * "Materials"), to deal in the Materials without restriction, including
      7  * without limitation the rights to use, copy, modify, merge, publish,
      8  * distribute, sublicense, and/or sell copies of the Materials, and to
      9  * permit persons to whom the Materials are furnished to do so, subject to
     10  * the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be included
     13  * in all copies or substantial portions of the Materials.
     14  *
     15  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
     19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     21  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
     22  ******************************************************************************/
     23 
     24 /* $Revision: 11928 $ on $Date: 2010-07-13 09:04:56 -0700 (Tue, 13 Jul 2010) $ */
     25 
     26 /* cl_ext.h contains OpenCL extensions which don't have external */
     27 /* (OpenGL, D3D) dependencies.                                   */
     28 
     29 #ifndef __CL_EXT_H
     30 #define __CL_EXT_H
     31 
     32 #ifdef __cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #ifdef __APPLE__
     37         #include <OpenCL/cl.h>
     38     #include <AvailabilityMacros.h>
     39 #else
     40         #include <CL/cl.h>
     41 #endif
     42 
     43 /* cl_khr_fp16 extension - no extension #define since it has no functions  */
     44 #define CL_DEVICE_HALF_FP_CONFIG                    0x1033
     45 
     46 /* Memory object destruction
     47  *
     48  * Apple extension for use to manage externally allocated buffers used with cl_mem objects with CL_MEM_USE_HOST_PTR
     49  *
     50  * Registers a user callback function that will be called when the memory object is deleted and its resources
     51  * freed. Each call to clSetMemObjectCallbackFn registers the specified user callback function on a callback
     52  * stack associated with memobj. The registered user callback functions are called in the reverse order in
     53  * which they were registered. The user callback functions are called and then the memory object is deleted
     54  * and its resources freed. This provides a mechanism for the application (and libraries) using memobj to be
     55  * notified when the memory referenced by host_ptr, specified when the memory object is created and used as
     56  * the storage bits for the memory object, can be reused or freed.
     57  *
     58  * The application may not call CL api's with the cl_mem object passed to the pfn_notify.
     59  *
     60  * Please check for the "cl_APPLE_SetMemObjectDestructor" extension using clGetDeviceInfo(CL_DEVICE_EXTENSIONS)
     61  * before using.
     62  */
     63 #define cl_APPLE_SetMemObjectDestructor 1
     64 cl_int  CL_API_ENTRY clSetMemObjectDestructorAPPLE(  cl_mem /* memobj */,
     65                                         void (* /*pfn_notify*/)( cl_mem /* memobj */, void* /*user_data*/),
     66                                         void * /*user_data */ )             CL_EXT_SUFFIX__VERSION_1_0;
     67 
     68 
     69 /* Context Logging Functions
     70  *
     71  * The next three convenience functions are intended to be used as the pfn_notify parameter to clCreateContext().
     72  * Please check for the "cl_APPLE_ContextLoggingFunctions" extension using clGetDeviceInfo(CL_DEVICE_EXTENSIONS)
     73  * before using.
     74  *
     75  * clLogMessagesToSystemLog fowards on all log messages to the Apple System Logger
     76  */
     77 #define cl_APPLE_ContextLoggingFunctions 1
     78 extern void CL_API_ENTRY clLogMessagesToSystemLogAPPLE(  const char * /* errstr */,
     79                                             const void * /* private_info */,
     80                                             size_t       /* cb */,
     81                                             void *       /* user_data */ )  CL_EXT_SUFFIX__VERSION_1_0;
     82 
     83 /* clLogMessagesToStdout sends all log messages to the file descriptor stdout */
     84 extern void CL_API_ENTRY clLogMessagesToStdoutAPPLE(   const char * /* errstr */,
     85                                           const void * /* private_info */,
     86                                           size_t       /* cb */,
     87                                           void *       /* user_data */ )    CL_EXT_SUFFIX__VERSION_1_0;
     88 
     89 /* clLogMessagesToStderr sends all log messages to the file descriptor stderr */
     90 extern void CL_API_ENTRY clLogMessagesToStderrAPPLE(   const char * /* errstr */,
     91                                           const void * /* private_info */,
     92                                           size_t       /* cb */,
     93                                           void *       /* user_data */ )    CL_EXT_SUFFIX__VERSION_1_0;
     94 
     95 
     96 /************************
     97 * cl_khr_icd extension *
     98 ************************/
     99 #define cl_khr_icd 1
    100 
    101 /* cl_platform_info                                                        */
    102 #define CL_PLATFORM_ICD_SUFFIX_KHR                  0x0920
    103 
    104 /* Additional Error Codes                                                  */
    105 #define CL_PLATFORM_NOT_FOUND_KHR                   -1001
    106 
    107 extern CL_API_ENTRY cl_int CL_API_CALL
    108 clIcdGetPlatformIDsKHR(cl_uint          /* num_entries */,
    109                        cl_platform_id * /* platforms */,
    110                        cl_uint *        /* num_platforms */);
    111 
    112 typedef CL_API_ENTRY cl_int (CL_API_CALL *clIcdGetPlatformIDsKHR_fn)(
    113     cl_uint          /* num_entries */,
    114     cl_platform_id * /* platforms */,
    115     cl_uint *        /* num_platforms */);
    116 
    117 
    118 /* Extension: cl_khr_image2D_buffer
    119  *
    120  * This extension allows a 2D image to be created from a cl_mem buffer without a copy.
    121  * The type associated with a 2D image created from a buffer in an OpenCL program is image2d_t.
    122  * Both the sampler and sampler-less read_image built-in functions are supported for 2D images
    123  * and 2D images created from a buffer.  Similarly, the write_image built-ins are also supported
    124  * for 2D images created from a buffer.
    125  *
    126  * When the 2D image from buffer is created, the client must specify the width,
    127  * height, image format (i.e. channel order and channel data type) and optionally the row pitch
    128  *
    129  * The pitch specified must be a multiple of CL_DEVICE_IMAGE_PITCH_ALIGNMENT pixels.
    130  * The base address of the buffer must be aligned to CL_DEVICE_IMAGE_BASE_ADDRESS_ALIGNMENT pixels.
    131  */
    132 
    133 /*************************************
    134  * cl_khr_initalize_memory extension *
    135  *************************************/
    136 
    137 #define CL_CONTEXT_MEMORY_INITIALIZE_KHR            0x200E
    138 
    139 
    140 /**************************************
    141  * cl_khr_terminate_context extension *
    142  **************************************/
    143 
    144 #define CL_DEVICE_TERMINATE_CAPABILITY_KHR          0x200F
    145 #define CL_CONTEXT_TERMINATE_KHR                    0x2010
    146 
    147 #define cl_khr_terminate_context 1
    148 extern CL_API_ENTRY cl_int CL_API_CALL clTerminateContextKHR(cl_context /* context */) CL_EXT_SUFFIX__VERSION_1_2;
    149 
    150 typedef CL_API_ENTRY cl_int (CL_API_CALL *clTerminateContextKHR_fn)(cl_context /* context */) CL_EXT_SUFFIX__VERSION_1_2;
    151 
    152 
    153 /*
    154  * Extension: cl_khr_spir
    155  *
    156  * This extension adds support to create an OpenCL program object from a
    157  * Standard Portable Intermediate Representation (SPIR) instance
    158  */
    159 
    160 #define CL_DEVICE_SPIR_VERSIONS                     0x40E0
    161 #define CL_PROGRAM_BINARY_TYPE_INTERMEDIATE         0x40E1
    162 
    163 
    164 /******************************************
    165 * cl_nv_device_attribute_query extension *
    166 ******************************************/
    167 /* cl_nv_device_attribute_query extension - no extension #define since it has no functions */
    168 #define CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV       0x4000
    169 #define CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV       0x4001
    170 #define CL_DEVICE_REGISTERS_PER_BLOCK_NV            0x4002
    171 #define CL_DEVICE_WARP_SIZE_NV                      0x4003
    172 #define CL_DEVICE_GPU_OVERLAP_NV                    0x4004
    173 #define CL_DEVICE_KERNEL_EXEC_TIMEOUT_NV            0x4005
    174 #define CL_DEVICE_INTEGRATED_MEMORY_NV              0x4006
    175 
    176 /*********************************
    177 * cl_amd_device_attribute_query *
    178 *********************************/
    179 #define CL_DEVICE_PROFILING_TIMER_OFFSET_AMD        0x4036
    180 
    181 /*********************************
    182 * cl_arm_printf extension
    183 *********************************/
    184 #define CL_PRINTF_CALLBACK_ARM                      0x40B0
    185 #define CL_PRINTF_BUFFERSIZE_ARM                    0x40B1
    186 
    187 #ifdef CL_VERSION_1_1
    188    /***********************************
    189     * cl_ext_device_fission extension *
    190     ***********************************/
    191     #define cl_ext_device_fission   1
    192 
    193     extern CL_API_ENTRY cl_int CL_API_CALL
    194     clReleaseDeviceEXT( cl_device_id /*device*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    195 
    196     typedef CL_API_ENTRY cl_int
    197     (CL_API_CALL *clReleaseDeviceEXT_fn)( cl_device_id /*device*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    198 
    199     extern CL_API_ENTRY cl_int CL_API_CALL
    200     clRetainDeviceEXT( cl_device_id /*device*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    201 
    202     typedef CL_API_ENTRY cl_int
    203     (CL_API_CALL *clRetainDeviceEXT_fn)( cl_device_id /*device*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    204 
    205     typedef cl_ulong  cl_device_partition_property_ext;
    206     extern CL_API_ENTRY cl_int CL_API_CALL
    207     clCreateSubDevicesEXT(  cl_device_id /*in_device*/,
    208                             const cl_device_partition_property_ext * /* properties */,
    209                             cl_uint /*num_entries*/,
    210                             cl_device_id * /*out_devices*/,
    211                             cl_uint * /*num_devices*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    212 
    213     typedef CL_API_ENTRY cl_int
    214     ( CL_API_CALL * clCreateSubDevicesEXT_fn)(  cl_device_id /*in_device*/,
    215                                                 const cl_device_partition_property_ext * /* properties */,
    216                                                 cl_uint /*num_entries*/,
    217                                                 cl_device_id * /*out_devices*/,
    218                                                 cl_uint * /*num_devices*/ ) CL_EXT_SUFFIX__VERSION_1_1;
    219 
    220     /* cl_device_partition_property_ext */
    221     #define CL_DEVICE_PARTITION_EQUALLY_EXT             0x4050
    222     #define CL_DEVICE_PARTITION_BY_COUNTS_EXT           0x4051
    223     #define CL_DEVICE_PARTITION_BY_NAMES_EXT            0x4052
    224     #define CL_DEVICE_PARTITION_BY_AFFINITY_DOMAIN_EXT  0x4053
    225 
    226     /* clDeviceGetInfo selectors */
    227     #define CL_DEVICE_PARENT_DEVICE_EXT                 0x4054
    228     #define CL_DEVICE_PARTITION_TYPES_EXT               0x4055
    229     #define CL_DEVICE_AFFINITY_DOMAINS_EXT              0x4056
    230     #define CL_DEVICE_REFERENCE_COUNT_EXT               0x4057
    231     #define CL_DEVICE_PARTITION_STYLE_EXT               0x4058
    232 
    233     /* error codes */
    234     #define CL_DEVICE_PARTITION_FAILED_EXT              -1057
    235     #define CL_INVALID_PARTITION_COUNT_EXT              -1058
    236     #define CL_INVALID_PARTITION_NAME_EXT               -1059
    237 
    238     /* CL_AFFINITY_DOMAINs */
    239     #define CL_AFFINITY_DOMAIN_L1_CACHE_EXT             0x1
    240     #define CL_AFFINITY_DOMAIN_L2_CACHE_EXT             0x2
    241     #define CL_AFFINITY_DOMAIN_L3_CACHE_EXT             0x3
    242     #define CL_AFFINITY_DOMAIN_L4_CACHE_EXT             0x4
    243     #define CL_AFFINITY_DOMAIN_NUMA_EXT                 0x10
    244     #define CL_AFFINITY_DOMAIN_NEXT_FISSIONABLE_EXT     0x100
    245 
    246     /* cl_device_partition_property_ext list terminators */
    247     #define CL_PROPERTIES_LIST_END_EXT                  ((cl_device_partition_property_ext) 0)
    248     #define CL_PARTITION_BY_COUNTS_LIST_END_EXT         ((cl_device_partition_property_ext) 0)
    249     #define CL_PARTITION_BY_NAMES_LIST_END_EXT          ((cl_device_partition_property_ext) 0 - 1)
    250 
    251 /*********************************
    252 * cl_qcom_ext_host_ptr extension
    253 *********************************/
    254 
    255 #define CL_MEM_EXT_HOST_PTR_QCOM                  (1 << 29)
    256 
    257 #define CL_DEVICE_EXT_MEM_PADDING_IN_BYTES_QCOM   0x40A0
    258 #define CL_DEVICE_PAGE_SIZE_QCOM                  0x40A1
    259 #define CL_IMAGE_ROW_ALIGNMENT_QCOM               0x40A2
    260 #define CL_IMAGE_SLICE_ALIGNMENT_QCOM             0x40A3
    261 #define CL_MEM_HOST_UNCACHED_QCOM                 0x40A4
    262 #define CL_MEM_HOST_WRITEBACK_QCOM                0x40A5
    263 #define CL_MEM_HOST_WRITETHROUGH_QCOM             0x40A6
    264 #define CL_MEM_HOST_WRITE_COMBINING_QCOM          0x40A7
    265 
    266 typedef cl_uint                                   cl_image_pitch_info_qcom;
    267 
    268 extern CL_API_ENTRY cl_int CL_API_CALL
    269 clGetDeviceImageInfoQCOM(cl_device_id             device,
    270                          size_t                   image_width,
    271                          size_t                   image_height,
    272                          const cl_image_format   *image_format,
    273                          cl_image_pitch_info_qcom param_name,
    274                          size_t                   param_value_size,
    275                          void                    *param_value,
    276                          size_t                  *param_value_size_ret);
    277 
    278 typedef struct _cl_mem_ext_host_ptr
    279 {
    280     /* Type of external memory allocation. */
    281     /* Legal values will be defined in layered extensions. */
    282     cl_uint  allocation_type;
    283 
    284 	/* Host cache policy for this external memory allocation. */
    285     cl_uint  host_cache_policy;
    286 
    287 } cl_mem_ext_host_ptr;
    288 
    289 /*********************************
    290 * cl_qcom_ion_host_ptr extension
    291 *********************************/
    292 
    293 #define CL_MEM_ION_HOST_PTR_QCOM                  0x40A8
    294 
    295 typedef struct _cl_mem_ion_host_ptr
    296 {
    297     /* Type of external memory allocation. */
    298     /* Must be CL_MEM_ION_HOST_PTR_QCOM for ION allocations. */
    299     cl_mem_ext_host_ptr  ext_host_ptr;
    300 
    301     /* ION file descriptor */
    302     int                  ion_filedesc;
    303 
    304     /* Host pointer to the ION allocated memory */
    305     void*                ion_hostptr;
    306 
    307 } cl_mem_ion_host_ptr;
    308 
    309 #endif /* CL_VERSION_1_1 */
    310 
    311 #ifdef __cplusplus
    312 }
    313 #endif
    314 
    315 
    316 #endif /* __CL_EXT_H */
    317