support NULL rect in SDL_FillRect

2 files changed, 2 insertions, 5 deletions

diff --git a/src/library_sdl.js b/src/library_sdl.js
index 6250d6e3..35487e4e 100644
--- a/src/library_sdl.js
+++ b/src/library_sdl.js
@@ -837,7 +837,7 @@ var LibrarySDL = {
       color = SDL.translateRGBAToColor(color[0], color[1], color[2], 255);
     }
 
-    var r = SDL.loadRect(rect);
+    var r = rect ? SDL.loadRect(rect) : { x: 0, y: 0, w: surfData.width, h: surfData.height };
     surfData.ctx.save();
     surfData.ctx.fillStyle = SDL.translateColorToCSSRGBA(color);
     surfData.ctx.fillRect(r.x, r.y, r.w, r.h);
diff --git a/tests/sdl_canvas_palette.c b/tests/sdl_canvas_palette.c
index 0cd43249..316aa44a 100644
--- a/tests/sdl_canvas_palette.c
+++ b/tests/sdl_canvas_palette.c
@@ -27,10 +27,7 @@ int main() {
 
   SDL_SetColors(screen, pal, 0, 3);
 
-  {
-    SDL_Rect rect = { 0, 0, 300, 200 };
-    SDL_FillRect(screen, &rect, 0);
-  }
+  SDL_FillRect(screen, NULL, 0);
 
   {
     SDL_Rect rect = { 300, 0, 300, 200 };