From 276fb7dbb2f43fcb0db6a5fc276495af6254316f Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Mon, 22 Aug 2016 20:03:08 +0200
Subject: [PATCH] Add vid_maxfps support for Windows and Linux

---
 src/posix/sdl/sdlglvideo.cpp | 7 +++++++
 src/win32/win32gliface.cpp   | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/src/posix/sdl/sdlglvideo.cpp b/src/posix/sdl/sdlglvideo.cpp
index 29c96d3eae..0635002e17 100644
--- a/src/posix/sdl/sdlglvideo.cpp
+++ b/src/posix/sdl/sdlglvideo.cpp
@@ -459,6 +459,13 @@ void SDLGLFB::NewRefreshRate ()
 
 void SDLGLFB::SwapBuffers()
 {
+#ifndef __APPLE__
+	if (vid_maxfps && !cl_capfps)
+	{
+		SEMAPHORE_WAIT(FPSLimitSemaphore)
+	}
+#endif
+
 	SDL_GL_SwapWindow (Screen);
 }
 
diff --git a/src/win32/win32gliface.cpp b/src/win32/win32gliface.cpp
index 2edd896316..bec2a19cf1 100644
--- a/src/win32/win32gliface.cpp
+++ b/src/win32/win32gliface.cpp
@@ -1149,6 +1149,11 @@ void Win32GLFrameBuffer::SetVSync (bool vsync)
 
 void Win32GLFrameBuffer::SwapBuffers()
 {
+	// Limiting the frame rate is as simple as waiting for the timer to signal this event.
+	if (FPSLimitEvent != NULL)
+	{
+		WaitForSingleObject(FPSLimitEvent, 1000);
+	}
 	::SwapBuffers(static_cast<Win32GLVideo *>(Video)->m_hDC);
 }