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Backends: SDL_Renderer: use SDL_RenderIsClipEnabled() to pass NULL to SDL_RenderSetClipRect (#3926, #4582, #4633)

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ocornut 2021-10-07 15:07:43 +02:00
parent 30a6873a44
commit dde31030e9
1 changed files with 3 additions and 1 deletions
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4
backends/imgui_impl_sdlrenderer.cpp
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@ -120,9 +120,11 @@ void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
struct BackupSDLRendererState
{
SDL_Rect Viewport;
bool ClipEnabled;
SDL_Rect ClipRect;
};
BackupSDLRendererState old = {};
old.ClipEnabled = SDL_RenderIsClipEnabled(bd->SDLRenderer);
SDL_RenderGetViewport(bd->SDLRenderer, &old.Viewport);
SDL_RenderGetClipRect(bd->SDLRenderer, &old.ClipRect);
@ -183,7 +185,7 @@ void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
// Restore modified SDL_Renderer state
SDL_RenderSetViewport(bd->SDLRenderer, &old.Viewport);
SDL_RenderSetClipRect(bd->SDLRenderer, &old.ClipRect);
SDL_RenderSetClipRect(bd->SDLRenderer, old.ClipEnabled ? &old.ClipRect : NULL);
}
// Called by Init/NewFrame/Shutdown