Revert commit 790fa3156cfee847a7c0b34986de0cd7fdd7438f. SDL_BLENDMODE_INVALID case is probably used for custom blendmode
diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 0418452..7dd1985 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -1206,9 +1206,6 @@ IsSupportedBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode)
case SDL_BLENDMODE_MUL:
return SDL_TRUE;
- case SDL_BLENDMODE_INVALID:
- return SDL_FALSE;
-
default:
return renderer->SupportsBlendMode && renderer->SupportsBlendMode(renderer, blendMode);
}