From a3530ee7dc12f54a807cfbaeb39daba50a38503a Mon Sep 17 00:00:00 2001
From: Jeffery Myers <JefMyers@blizzard.com>
Date: Mon, 27 Sep 2021 15:57:39 -0700
Subject: [PATCH] Allow people calling the advanced PollEvents manually to use
 the wait feature on a per call basis.

---
 src/raylib.h |  2 +-
 src/rcore.c  | 18 +++++++++++-------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/raylib.h b/src/raylib.h
index d74d61214..90d14eb22 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -946,7 +946,7 @@ RLAPI const char *GetClipboardText(void);                         // Get clipboa
 // By default EndDrawing() does this job: draws everything + SwapScreenBuffer() + manage frame timming + PollInputEvents()
 // To avoid that behaviour and control frame processes manually, enable in config.h: SUPPORT_CUSTOM_FRAME_CONTROL
 RLAPI void SwapScreenBuffer(void);                                // Swap back buffer with front buffer (screen drawing)
-RLAPI void PollInputEvents(void);                                 // Register all input events
+RLAPI void PollInputEvents(bool waitForEvents);                   // Register all input events
 RLAPI void WaitTime(float ms);                                    // Wait for some milliseconds (halt program execution)
 
 // Cursor-related functions
diff --git a/src/rcore.c b/src/rcore.c
index 66c734a15..c901b6ace 100644
--- a/src/rcore.c
+++ b/src/rcore.c
@@ -2001,7 +2001,12 @@ void EndDrawing(void)
         CORE.Time.frame += waitTime;    // Total frame time: update + draw + wait
     }
 
-    PollInputEvents();      // Poll user events (before next frame update)
+    bool wait = false;
+#if defined(SUPPORT_EVENTS_WAITING)
+    wait = true;
+#endif
+
+    PollInputEvents(wait);      // Poll user events (before next frame update)
 #endif
 
 #if defined(SUPPORT_EVENTS_AUTOMATION)
@@ -4573,7 +4578,7 @@ void SwapScreenBuffer(void)
 }
 
 // Register all input events
-void PollInputEvents(void)
+void PollInputEvents(bool waitForEvents)
 {
 #if defined(SUPPORT_GESTURES_SYSTEM)
     // NOTE: Gestures update must be called every frame to reset gestures correctly
@@ -4719,11 +4724,10 @@ void PollInputEvents(void)
 
     CORE.Window.resizedLastFrame = false;
 
-#if defined(SUPPORT_EVENTS_WAITING)
-    glfwWaitEvents();
-#else
-    glfwPollEvents();       // Register keyboard/mouse events (callbacks)... and window events!
-#endif
+    if (waitForEvents)
+        glfwWaitEvents();
+    else
+        glfwPollEvents();       // Register keyboard/mouse events (callbacks)... and window events!
 #endif  // PLATFORM_DESKTOP
 
 // Gamepad support using emscripten API