This is similar to clflush_range except that it puts the mfence on the other side to ensure caches are flushed prior to reading.
Cc: "13.0 17.0" <mesa-sta...@lists.freedesktop.org> --- src/intel/vulkan/anv_private.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h index da1ca29..5344f07 100644 --- a/src/intel/vulkan/anv_private.h +++ b/src/intel/vulkan/anv_private.h @@ -452,6 +452,19 @@ anv_clflush_range(void *start, size_t size) } } +static inline void +anv_invalidate_range(void *start, size_t size) +{ + void *p = (void *) (((uintptr_t) start) & ~CACHELINE_MASK); + void *end = start + size; + + while (p < end) { + __builtin_ia32_clflush(p); + p += CACHELINE_SIZE; + } + __builtin_ia32_mfence(); +} + static void inline anv_state_clflush(struct anv_state state) { -- 2.5.0.400.gff86faf _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev