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1 /*
2  * Copyright 2017 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can
5  * be found in the LICENSE file.
6  *
7  */
8 
9 #ifndef SKC_ONCE_ATOMIC_CL
10 #define SKC_ONCE_ATOMIC_CL
11 
12 //
13 // git cl upload is bleating about needing an #include before and #if
14 // so we're unneccesarily reloading the types and OpenCL header
15 //
16 
17 #include "types.h"
18 
19 #if (__OPENCL_C_VERSION__ <= 120 /*CL_VERSION_1_2*/)
20 
21 #define SKC_ATOMIC_UINT                             uint
22 #define SKC_ATOMIC_INT                              int
23 
24 #define SKC_ATOMIC_ADD_LOCAL_RELAXED_DEVICE(p,v)    atomic_add(p,v)
25 #define SKC_ATOMIC_ADD_LOCAL_RELAXED_SUBGROUP(p,v)  atomic_add(p,v)
26 
27 #define SKC_ATOMIC_ADD_GLOBAL_RELAXED_DEVICE(p,v)   atomic_add(p,v)
28 #define SKC_ATOMIC_ADD_GLOBAL_RELAXED_SUBGROUP(p,v) atomic_add(p,v)
29 
30 #else // __OPENCL_C_VERSION__ > __CL_VERSION_1_2
31 
32 //
33 // REMOVE THESE DEFINES ASAP -- ONLY HERE BECAUSE THE INTEL CODE
34 // BUILDER UTILITY DOESN'T SUPPORT CREATING AN ATOMIC TYPE BUFFER
35 //
36 
37 #ifdef SKC_SUPPORT_BROKEN_INTEL_CODE_BUILDER
38 
39 #define SKC_ATOMIC_UINT                             uint
40 #define SKC_ATOMIC_CAST_LOCAL(p)                    (__local  atomic_uint volatile * restrict const)(p)
41 #define SKC_ATOMIC_CAST_GLOBAL(p)                   (__global atomic_uint volatile * restrict const)(p)
42 
43 #else
44 
45 #define SKC_ATOMIC_UINT                             atomic_uint
46 #define SKC_ATOMIC_CAST_LOCAL(p)                    (p)
47 #define SKC_ATOMIC_CAST_GLOBAL(p)                   (p)
48 
49 #endif
50 
51 
52 #define SKC_ATOMIC_ADD_LOCAL_RELAXED_DEVICE(p,v)    atomic_fetch_add_explicit(SKC_ATOMIC_CAST_LOCAL(p), \
53                                                                               v,memory_order_relaxed,memory_scope_device)
54 #define SKC_ATOMIC_ADD_LOCAL_RELAXED_SUBGROUP(p,v)  atomic_fetch_add_explicit(SKC_ATOMIC_CAST_LOCAL(p), \
55                                                                               v,memory_order_relaxed,memory_scope_sub_group)
56 
57 #define SKC_ATOMIC_ADD_GLOBAL_RELAXED_DEVICE(p,v)   atomic_fetch_add_explicit(SKC_ATOMIC_CAST_GLOBAL(p), \
58                                                                               v,memory_order_relaxed,memory_scope_device)
59 #define SKC_ATOMIC_ADD_GLOBAL_RELAXED_SUBGROUP(p,v) atomic_fetch_add_explicit(SKC_ATOMIC_CAST_GLOBAL(p), \
60                                                                               v,memory_order_relaxed,memory_scope_sub_group)
61 
62 #endif
63 
64 //
65 //
66 //
67 
68 #endif // SKC_ONCE_ATOMIC_CL
69 
70 //
71 //
72 //
73