One scene. Different projections.

Camera parameters change the projection matrix. Renderer state decides which pixels receive each view. Make both ownership contracts visible.

backend

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coordinate origin

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projection

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viewports

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projection updates

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renderer viewport

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draw calls

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sample

NOT RUN

Camera projection matrices are waiting for initialization. VIEW OFFSET: CENTERED

Compare shows one scene through two camera types. In a single-view mode, choose a wide-frustum window to exercise setViewOffset().

Sources: PerspectiveCamera · OrthographicCamera · Renderer · Cameras manual