DEV/flutter_flutter
1
0
Fork 0
mirror of https://github.com/flutter/flutter.git synced 2026-02-20 02:29:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

Inline usage of SkIsPow2 (flutter/engine#38722)

Browse Source 
* Inline usage of SkIsPow2

* static
This commit is contained in:
Kevin Lubick 2023-01-09 19:22:33 -06:00 committed by GitHub
parent be9ae4793d
commit 2a971620d6
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
engine/src/flutter/display_list/display_list_builder.cc
View File

@ -26,12 +26,16 @@ static void CopyV(void* dst, const S* src, int n, Rest&&... rest) {
CopyV(SkTAddOffset<void>(dst, n * sizeof(S)), std::forward<Rest>(rest)...);
}
static constexpr inline bool is_power_of_two(int value) {
return (value & (value - 1)) == 0;
}
template <typename T, typename... Args>
void* DisplayListBuilder::Push(size_t pod, int render_op_inc, Args&&... args) {
size_t size = SkAlignPtr(sizeof(T) + pod);
FML_DCHECK(size < (1 << 24));
if (used_ + size > allocated_) {
static_assert(SkIsPow2(DL_BUILDER_PAGE),
static_assert(is_power_of_two(DL_BUILDER_PAGE),
"This math needs updating for non-pow2.");
// Next greater multiple of DL_BUILDER_PAGE.
allocated_ = (used_ + size + DL_BUILDER_PAGE) & ~(DL_BUILDER_PAGE - 1);