ImDrawList: remove local vs member indirection as locals were deemed better. (2)

Author: ocornut

imgui_draw.cpp

@@ -731,22 +731,27 @@ void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, c
 #define IM_POLYLINE_IDX_16_BIT 0
 #else
 #define IM_POLYLINE_IDX_16_BIT 1
-# endif
-
-// Macros that declare, load and save write pointers as local variables
-#define IM_POLYLINE_PRIM_MAKE_LOCAL()   ImDrawVert*  vtx_write          = this->_VtxWritePtr;   ImDrawIdx* idx_write          = this->_IdxWritePtr;   unsigned int idx_base  = this->_VtxCurrentIdx
-#define IM_POLYLINE_PRIM_LOAD_LOCAL()                vtx_write          = this->_VtxWritePtr;              idx_write          = this->_IdxWritePtr;                idx_base  = this->_VtxCurrentIdx
-#define IM_POLYLINE_PRIM_SAVE_LOCAL()                this->_VtxWritePtr = vtx_write;                       this->_IdxWritePtr = idx_write;              this->_VtxCurrentIdx = idx_base
+#endif
 
 // Macros that commit, split and handle vertex offset overflow
-#define IM_POLYLINE_PRIM_RESERVE(IDX_COUNT, VTX_COUNT)  this->PrimReserve((IDX_COUNT) + IM_POLYLINE_PRIM_EXTRA_IDX_COUNT, VTX_COUNT); IM_POLYLINE_PRIM_MAKE_LOCAL()
+#define IM_POLYLINE_PRIM_RESERVE(IDX_COUNT, VTX_COUNT)                                                      \
+    this->PrimReserve((IDX_COUNT) + IM_POLYLINE_PRIM_EXTRA_IDX_COUNT, VTX_COUNT);                           \
+    ImDrawVert* vtx_write = this->_VtxWritePtr;                                                             \
+    ImDrawIdx* idx_write = this->_IdxWritePtr;                                                              \
+    unsigned int idx_base = this->_VtxCurrentIdx;
+
 #define IM_POLYLINE_PRIM_COMMIT()                                                                           \
-    IM_POLYLINE_PRIM_SAVE_LOCAL();                                                                          \
+    this->_VtxWritePtr = vtx_write; this->_IdxWritePtr = idx_write; this->_VtxCurrentIdx = idx_base;        \
     const int unused_vtx_count = (int)((this->VtxBuffer.Data + this->VtxBuffer.Size) - this->_VtxWritePtr); \
     const int unused_idx_count = (int)((this->IdxBuffer.Data + this->IdxBuffer.Size) - this->_IdxWritePtr); \
     this->PrimUnreserve(unused_idx_count, unused_vtx_count)
 
-#define IM_POLYLINE_PRIM_SPLT()                         IM_POLYLINE_PRIM_COMMIT(); this->PrimReserve(unused_idx_count, unused_vtx_count); IM_POLYLINE_PRIM_LOAD_LOCAL()
+#define IM_POLYLINE_PRIM_SPLT()                             \
+    IM_POLYLINE_PRIM_COMMIT();                              \
+    this->PrimReserve(unused_idx_count, unused_vtx_count);  \
+    vtx_write = this->_VtxWritePtr;                         \
+    idx_write = this->_IdxWritePtr;                         \
+    idx_base  = this->_VtxCurrentIdx;
 
 #define IM_POLYLINE_VTX_COMMIT(N)                                                                                \
     {                                                                                                            \