Corrected savegame screenshots on win32.

1 files changed, 11 insertions, 2 deletions

diff --git a/src/client/savegamemenu.cc b/src/client/savegamemenu.cc
index c2601a5..d002b54 100644
--- a/src/client/savegamemenu.cc
+++ b/src/client/savegamemenu.cc
@@ -555,7 +555,14 @@ void SaveGameMenu::savescreenshot(std::string savename)
 	std::string filename(filesystem::writedir() + "savegames/" + savename + ".jpg");
 	
 	// redraw the world without ui
-	
+	/*
+		hack: win32 seems to have triple buffering or reads pixels from the wrong buffer
+		the workaround is to render the world twice
+	*/
+	
+#ifdef __WIN32
+	for (size_t i = 0; i < 2; ++i) {
+#endif
 	// Clear the color and depth buffers.
 	gl::clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	
@@ -571,7 +578,9 @@ void SaveGameMenu::savescreenshot(std::string savename)
 	gl::disable(GL_BLEND);
 
 	video::swap_buffers();
-	
+#ifdef __WIN32
+	}
+#endif	
 	render::Screenshot::savegameshot(filename);	
 }