include files with required types directly

include/SDL3/SDL_render.h

@@ -51,10 +51,13 @@
 #define SDL_render_h_
 
 #include <SDL3/SDL_stdinc.h>
+#include <SDL3/SDL_blendmode.h>
 #include <SDL3/SDL_error.h>
 #include <SDL3/SDL_events.h>
+#include <SDL3/SDL_pixels.h>
 #include <SDL3/SDL_properties.h>
 #include <SDL3/SDL_rect.h>
+#include <SDL3/SDL_surface.h>
 #include <SDL3/SDL_video.h>
 
 #include <SDL3/SDL_begin_code.h>