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<p>graphics tasks, like rotating and scaling 3D images, and often the additional ability to run custom programs known as <a href="page.php?w=Shader">shaders</a>. This contrasts with earlier graphics controllers known as <a href="page.php?w=Video_display_controller">video display controllers</a> which had no internal calculation capabilities, or <a href="page.php?w=Blitter">blitters</a>, which performed only basic memory movement operations. The modern GPU emerged during the 1990s, adding the ability to perform operations like drawing lines and text</p><p>
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