diff --git a/cmake/setup.cmake b/cmake/setup.cmake
index bfacd73..3d2cd84 100644
--- a/cmake/setup.cmake
+++ b/cmake/setup.cmake
@@ -9,6 +9,11 @@ set(build_icons FALSE)
 set(need_c_icons FALSE)
 option(BUILD_SDL_PROGRAMS "build test programs requiring SDL" FALSE)
 
+option(USE_DRAW_POLYGON_FALLBACK "force frontend to use fallback software polygon rasterizer" off)
+if(USE_DRAW_POLYGON_FALLBACK)
+  add_compile_definitions(USE_DRAW_POLYGON_FALLBACK)
+endif()
+
 # Don't disable assertions, even in release mode.  Our assertions
 # generally aren't expensive and protect against more annoying crashes
 # and memory corruption.
diff --git a/emcc.c b/emcc.c
index b7aeec9..cf12063 100644
--- a/emcc.c
+++ b/emcc.c
@@ -613,7 +613,11 @@ static const struct drawing_api js_drawing = {
     js_draw_text,
     js_draw_rect,
     js_draw_line,
+#ifdef USE_DRAW_POLYGON_FALLBACK
+    draw_polygon_fallback,
+#else
     js_draw_poly,
+#endif
     js_draw_circle,
     js_draw_update,
     js_clip,
diff --git a/gtk.c b/gtk.c
index dbaa980..1c43ae9 100644
--- a/gtk.c
+++ b/gtk.c
@@ -1439,7 +1439,11 @@ static const struct drawing_api gtk_drawing = {
     gtk_draw_text,
     gtk_draw_rect,
     gtk_draw_line,
+#ifdef USE_DRAW_POLYGON_FALLBACK
+    draw_polygon_fallback,
+#else
     gtk_draw_poly,
+#endif
     gtk_draw_circle,
     gtk_draw_update,
     gtk_clip,
diff --git a/nestedvm.c b/nestedvm.c
index c13a0b8..3b11dee 100644
--- a/nestedvm.c
+++ b/nestedvm.c
@@ -184,7 +184,11 @@ const struct drawing_api nestedvm_drawing = {
     nestedvm_draw_text,
     nestedvm_draw_rect,
     nestedvm_draw_line,
+#ifdef USE_DRAW_POLYGON_FALLBACK
+    draw_polygon_fallback,
+#else
     nestedvm_draw_poly,
+#endif
     nestedvm_draw_circle,
     NULL, // draw_update,
     nestedvm_clip,
diff --git a/osx.m b/osx.m
index 88a6510..2340835 100644
--- a/osx.m
+++ b/osx.m
@@ -1773,7 +1773,11 @@ const struct drawing_api osx_drawing = {
     osx_draw_text,
     osx_draw_rect,
     osx_draw_line,
+#ifdef USE_DRAW_POLYGON_FALLBACK
+    draw_polygon_fallback,
+#else
     osx_draw_polygon,
+#endif
     osx_draw_circle,
     osx_draw_update,
     osx_clip,
diff --git a/windows.c b/windows.c
index 0a02d8a..995046a 100644
--- a/windows.c
+++ b/windows.c
@@ -899,7 +899,11 @@ const struct drawing_api win_drawing = {
     win_draw_text,
     win_draw_rect,
     win_draw_line,
+#ifdef USE_DRAW_POLYGON_FALLBACK
+    draw_polygon_fallback,
+#else
     win_draw_polygon,
+#endif
     win_draw_circle,
     win_draw_update,
     win_clip,