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main = let
blendFun x = Blend x ((SrcAlpha,OneMinusSrcAlpha),(SrcAlpha,OneMinusSrcAlpha)) (V4 1.0 1.0 1.0 1.0)
blend'' = blendFun (FuncAdd,FuncAdd)
blend = Blend (FuncAdd,FuncAdd) ((SrcAlpha,OneMinusSrcAlpha),(SrcAlpha,OneMinusSrcAlpha)) (V4 1.0 1.0 1.0 1.0)
blend' = NoBlending
bgColor = V4 0.5 0.0 0.4 1.0
bgColor' = V4 0.2 0.2 0.4 1.0
emptyFB = FrameBuffer (depthImage1 1000.0,colorImage1 bgColor)
polyMode = PolygonLine 20.0
polyMode' = PolygonFill
polyMode'' = PolygonPoint (PointSize 10.0)
cull = CullNone
cull' = CullFront
rasterCtx = TriangleCtx cull polyMode' NoOffset FirstVertex
fragmentCtx = (DepthOp Less True, ColorOp blend (V4 True True True True))
modelViewProj = Uniform "MVP" :: Mat 4 4 Float
vertexShader ((v)) = (PrimMulMatVec modelViewProj v, v)
vertexStream = fetch "stream4" Triangle (Attribute "position4" :: ((Vec 4 Float)))
primitiveStream = mapPrimitives vertexShader vertexStream
fragmentStream = rasterizePrimitives rasterCtx ((Smooth)) primitiveStream
fragmentShader' = \((v)) -> ((V4 1.0 0.4 0.0 0.2))
fragmentShader = \((v)) -> ((PrimMul v (V4 1.0 0.4 0.0 0.2)))
frame = accumulate fragmentCtx fragmentShader fragmentStream emptyFB
in ScreenOut frame
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