38 lines
1.3 KiB
Haskell
38 lines
1.3 KiB
Haskell
module Preload.Update
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( resizeSpareFBO
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)
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where
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import Preload.Data
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import Graphics.Rendering.OpenGL
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import Foreign
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import Picture.Preload
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resizeSpareFBO
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:: Int -- ^ Width
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-> Int -- ^ Height
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-> PreloadData a
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-> IO (PreloadData a)
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resizeSpareFBO xsize ysize pdata = do
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-- I am unsure how much of this needs to be bound...
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let rdata = _renderData pdata
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fboName = _spareFBO rdata
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fboTO = _fboTexture rdata
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fboRBO = _fboRenderbufferObject rdata
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xsize' = fromIntegral xsize
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ysize' = fromIntegral ysize
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bindFramebuffer Framebuffer $= fboName
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textureBinding Texture2D $= Just fboTO
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texImage2D Texture2D NoProxy 0 RGBA8 (TextureSize2D xsize' ysize') 0 (PixelData RGBA UnsignedByte nullPtr)
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textureFilter Texture2D $= ((Linear',Just Linear') , Nearest)
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generateMipmap' Texture2D
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framebufferTexture2D Framebuffer (ColorAttachment 0) Texture2D fboTO 0
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bindRenderbuffer Renderbuffer $= fboRBO
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renderbufferStorage Renderbuffer Depth24Stencil8 (RenderbufferSize xsize' ysize')
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framebufferRenderbuffer Framebuffer DepthStencilAttachment Renderbuffer fboRBO
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fboStatus <- framebufferStatus Framebuffer
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putStrLn $ "after resize, framebuffer status:" ++ show fboStatus
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return pdata
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