Alan Wake does run at 720p
Remedy have moved very quickly to diffuse rumours that Alan Wake is only operating at a resolution of 520p.
Allegations stemmed from two videos that were leaked at the weekend which seemed to indicate that the game ran well below 720p.
Development manager at Remedy, Markus Maki, posted an in-depth answer to the claims on their community forums.
Maki said: "Modern renderers don't work by rendering everything to a certain final on-screen resolution, but use a combination of techniques and buffers to compose the final detail-rich frames, optimising to improve the visual experience and game performance. Alan Wake's renderer on the Xbox360 uses about 50 different intermediate render targets in different resolutions, colour depths and anti-alias settings for different purposes.
"These are used for example for cascaded shadow maps from sun & moon, shadow maps from flashlights, flares and street lights, z-prepass, tiled color buffers, light buffers for deferred rendering, vector blur, screen-space ambient occlusion, auto-exposure, HUD, video buffers, menus and so on.
"In the end all are combined to form one 720p image, with all intermediate buffer sizes selected to optimise image quality and GPU performance. All together the render targets take about 80 MB of memory, equivalent in size to over twenty 720p buffers."
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