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libsdl-org · Mar 18, 2022 · c4506e9 · c4506e9
1 parent 4f29a65
commit c4506e9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/SDL_RenderReadPixels.mediawiki b/SDL_RenderReadPixels.mediawiki
@@ -38,7 +38,8 @@ Returns 0 on success or a negative error code on failure; call
 == Remarks ==
 
 '''WARNING''': This is a very slow operation, and should not be used
-frequently.
+frequently. If you're using this on the main rendering target, it should be
+called after rendering and before [[SDL_RenderPresent]]().
 
 <code>pitch</code> specifies the number of bytes between rows in the
 destination <code>pixels</code> data. This allows you to write to a