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Drunken_Coder

Direct3D window size changing

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Hey all, I am writing a Direct3D based video renderer. I have an ortho projection set up to render into a window. I want the logical units of the vertex data to match the resolution of the viewing area (simplifies aspect ratio calculations, etc). The renderer does this correctly on initial startup, but once the user resizes the window, it doesn't seem to adjust the logical units, even if I reset the projection matrix and viewport. Did I miss a step? Do I have to reset the device, or change presentation parameters? Thanks

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Yeah, you have to reset the device once the resize event finishes. If you don't then the backbuffer/swapchain don't change size and they're just stretched to fit the new rendering area...

Watch for WM_EXITSIZEMOVE message iirc.

hth
Jack

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