"composite_state.get_compositor_transform(transform_index)" in [composite_simple()](https://searchfox.org/firefox-main/rev/e7114bcf28158b46e516178c06201e4849201eba/gfx/wr/webrender/src/renderer/mod.rs#4240) returned wrong value.
Bug 2004696 Comment 5 Edit History
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"composite_state.get_compositor_transform(transform_index)" in [composite_simple()](https://searchfox.org/firefox-main/rev/e7114bcf28158b46e516178c06201e4849201eba/gfx/wr/webrender/src/renderer/mod.rs#4240) seemed to affect to the problem.