Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-04 12:08:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

ImDrawListSplitter: create first draw cmd on demand + Internals: fix incorrect ImBitArraySetBitRange() (only used by tables)

Browse Source 
Make it cheaper to allocate unused draw cmd, can't measure perf difference other our stress tests.
This commit is contained in:
ocornut
2020-11-12 17:34:30 +01:00
parent 13258f5957
commit 78f1d2d319
2 changed files with 10 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
imgui_internal.h
View File

@ -453,15 +453,15 @@ struct IMGUI_API ImRect
};
// Helper: ImBitArray
inline bool ImBitArrayTestBit(const ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); return (arr[n >> 5] & mask) != 0; }
inline void ImBitArrayClearBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] &= ~mask; }
inline void ImBitArraySetBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] |= mask; }
inline void ImBitArraySetBitRange(ImU32* arr, int n, int n2)
inline bool ImBitArrayTestBit(const ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); return (arr[n >> 5] & mask) != 0; }
inline void ImBitArrayClearBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] &= ~mask; }
inline void ImBitArraySetBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] |= mask; }
inline void ImBitArraySetBitRange(ImU32* arr, int n, int n2)
{
while (n <= n2)
{
int a_mod = (n & 31);
int b_mod = ((n2 >= n + 31) ? 31 : (n2 & 31)) + 1;
int b_mod = (n2 > (n | 31) ? 31 : (n2 & 31)) + 1;
ImU32 mask = (ImU32)(((ImU64)1 << b_mod) - 1) & ~(ImU32)(((ImU64)1 << a_mod) - 1);
arr[n >> 5] |= mask;
n = (n + 32) & ~31;