You need to create the texture with the SDL_TEXTUREACCESS_TARGET flag.

libsdl-org · Jan 22, 2012 · 8d75773 · 8d75773
1 parent d515b34
commit 8d75773
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/SDL_render.h b/include/SDL_render.h
@@ -384,7 +384,7 @@ extern DECLSPEC SDL_bool SDLCALL SDL_RenderTargetSupported(SDL_Renderer *rendere
 /**
  * \brief Set a texture as the current rendering target.
  *
- * \param texture The targeted texture, or NULL for the default render target
+ * \param texture The targeted texture, which must be created with the SDL_TEXTUREACCESS_TARGET flag, or NULL for the default render target
  *
  * \return 0 on success, or -1 on error
  */