diff options
author | mtklein <mtklein@chromium.org> | 2015-11-24 05:35:58 -0800 |
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committer | Commit bot <commit-bot@chromium.org> | 2015-11-24 05:35:58 -0800 |
commit | b68ce74bd197a9ca4becd53cbcfee825b8d08e0e (patch) | |
tree | d7b723fe7fc5e92dbb34f635f6d0239f6f429140 /include/core/SkTypes.h | |
parent | d14c39eff209f6eacd322af95a69534fc207cf27 (diff) |
Add SK_BEGIN_REQUIRE_DENSE / SK_END_REQUIRE_DENSE.
Use in on a few examples of things we hash.
BUG=skia:
Review URL: https://codereview.chromium.org/1468483002
Diffstat (limited to 'include/core/SkTypes.h')
-rw-r--r-- | include/core/SkTypes.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/core/SkTypes.h b/include/core/SkTypes.h index d9254acf5f..5720c30970 100644 --- a/include/core/SkTypes.h +++ b/include/core/SkTypes.h @@ -287,6 +287,16 @@ static inline bool SkIsU16(long x) { template <typename T, size_t N> char (&SkArrayCountHelper(T (&array)[N]))[N]; #define SK_ARRAY_COUNT(array) (sizeof(SkArrayCountHelper(array))) +// Can be used to bracket data types that must be dense, e.g. hash keys. +#if defined(__clang__) // This should work on GCC too, but GCC diagnostic pop didn't seem to work! + #define SK_BEGIN_REQUIRE_DENSE _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic error \"-Wpadded\"") + #define SK_END_REQUIRE_DENSE _Pragma("GCC diagnostic pop") +#else + #define SK_BEGIN_REQUIRE_DENSE + #define SK_END_REQUIRE_DENSE +#endif + #define SkAlign2(x) (((x) + 1) >> 1 << 1) #define SkIsAlign2(x) (0 == ((x) & 1)) |