diff --git a/imgui.cpp b/imgui.cpp
index ef698db70..bc2f458ce 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1937,12 +1937,12 @@ static inline bool IsWindowContentHoverable(ImGuiWindow* window)
 // Advance cursor given item size for layout.
 void ImGui::ItemSize(const ImVec2& size, float text_offset_y)
 {
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiContext& g = *GImGui;
+    ImGuiWindow* window = g.CurrentWindow;
     if (window->SkipItems)
         return;
 
     // Always align ourselves on pixel boundaries
-    ImGuiContext& g = *GImGui;
     const float line_height = ImMax(window->DC.CurrentLineHeight, size.y);
     const float text_base_offset = ImMax(window->DC.CurrentLineTextBaseOffset, text_offset_y);
     //if (g.IO.KeyAlt) window->DrawList->AddRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size.x, line_height), IM_COL32(255,0,0,200)); // [DEBUG]
@@ -2034,7 +2034,7 @@ bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id)
 bool ImGui::IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when_logged)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
     if (!bb.Overlaps(window->ClipRect))
         if (!id || *id != g.ActiveId)
             if (clip_even_when_logged || !g.LogEnabled)
@@ -2893,7 +2893,7 @@ void ImGui::LogText(const char* fmt, ...)
 static void LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = ImGui::GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
 
     if (!text_end)
         text_end = ImGui::FindRenderedTextEnd(text, text_end);
@@ -2945,7 +2945,7 @@ static void LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
 void ImGui::RenderText(ImVec2 pos, const char* text, const char* text_end, bool hide_text_after_hash)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
 
     // Hide anything after a '##' string
     const char* text_display_end;
@@ -2972,7 +2972,7 @@ void ImGui::RenderText(ImVec2 pos, const char* text, const char* text_end, bool
 void ImGui::RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end, float wrap_width)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
 
     if (!text_end)
         text_end = text + strlen(text); // FIXME-OPT
@@ -2997,7 +2997,7 @@ void ImGui::RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, cons
         return;
 
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
 
     // Perform CPU side clipping for single clipped element to avoid using scissor state
     ImVec2 pos = pos_min;
@@ -3030,8 +3030,8 @@ void ImGui::RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, cons
 // Render a rectangle shaped with optional rounding and borders
 void ImGui::RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border, float rounding)
 {
-    ImGuiWindow* window = GetCurrentWindow();
-
+    ImGuiContext& g = *GImGui;
+    ImGuiWindow* window = g.CurrentWindow;
     window->DrawList->AddRectFilled(p_min, p_max, fill_col, rounding);
     if (border && (window->Flags & ImGuiWindowFlags_ShowBorders))
     {
@@ -3042,7 +3042,8 @@ void ImGui::RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border,
 
 void ImGui::RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding)
 {
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiContext& g = *GImGui;
+    ImGuiWindow* window = g.CurrentWindow;
     if (window->Flags & ImGuiWindowFlags_ShowBorders)
     {
         window->DrawList->AddRect(p_min+ImVec2(1,1), p_max+ImVec2(1,1), GetColorU32(ImGuiCol_BorderShadow), rounding);
@@ -3054,7 +3055,7 @@ void ImGui::RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding)
 void ImGui::RenderCollapseTriangle(ImVec2 p_min, bool is_open, float scale)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
 
     const float h = g.FontSize * 1.00f;
     const float r = h * 0.40f * scale;
@@ -3080,14 +3081,15 @@ void ImGui::RenderCollapseTriangle(ImVec2 p_min, bool is_open, float scale)
 
 void ImGui::RenderBullet(ImVec2 pos)
 {
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiContext& g = *GImGui;
+    ImGuiWindow* window = g.CurrentWindow;
     window->DrawList->AddCircleFilled(pos, GImGui->FontSize*0.20f, GetColorU32(ImGuiCol_Text), 8);
 }
 
 void ImGui::RenderCheckMark(ImVec2 pos, ImU32 col)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
     float start_x = (float)(int)(g.FontSize * 0.307f + 0.5f);
     float rem_third = (float)(int)((g.FontSize - start_x) / 3.0f);
     float bx = pos.x + 0.5f + start_x + rem_third;
@@ -3132,7 +3134,7 @@ ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_tex
 void ImGui::CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
     if (g.LogEnabled)
     {
         // If logging is active, do not perform any clipping
@@ -3184,7 +3186,7 @@ static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs)
 bool ImGui::IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
 
     // Clip
     ImRect rect_clipped(r_min, r_max);
@@ -3382,7 +3384,7 @@ bool ImGui::IsItemActive()
     ImGuiContext& g = *GImGui;
     if (g.ActiveId)
     {
-        ImGuiWindow* window = GetCurrentWindowRead();
+        ImGuiWindow* window = g.CurrentWindow;
         return g.ActiveId == window->DC.LastItemId;
     }
     return false;
@@ -5947,7 +5949,7 @@ void ImGui::LogToTTY(int max_depth)
     ImGuiContext& g = *GImGui;
     if (g.LogEnabled)
         return;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
 
     g.LogEnabled = true;
     g.LogFile = stdout;
@@ -5962,7 +5964,7 @@ void ImGui::LogToFile(int max_depth, const char* filename)
     ImGuiContext& g = *GImGui;
     if (g.LogEnabled)
         return;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
 
     if (!filename)
     {
@@ -5989,7 +5991,7 @@ void ImGui::LogToClipboard(int max_depth)
     ImGuiContext& g = *GImGui;
     if (g.LogEnabled)
         return;
-    ImGuiWindow* window = GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
 
     g.LogEnabled = true;
     g.LogFile = NULL;
@@ -10175,7 +10177,7 @@ static float GetDraggedColumnOffset(int column_index)
     // Active (dragged) column always follow mouse. The reason we need this is that dragging a column to the right edge of an auto-resizing
     // window creates a feedback loop because we store normalized positions. So while dragging we enforce absolute positioning.
     ImGuiContext& g = *GImGui;
-    ImGuiWindow* window = ImGui::GetCurrentWindowRead();
+    ImGuiWindow* window = g.CurrentWindow;
     IM_ASSERT(column_index > 0); // We cannot drag column 0. If you get this assert you may have a conflict between the ID of your columns and another widgets.
     IM_ASSERT(g.ActiveId == window->DC.ColumnsSetId + ImGuiID(column_index));