345 lines
14 KiB
Haskell
345 lines
14 KiB
Haskell
-- | Contains the central drawing functions for the dodge loop.
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module Dodge.Render (
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doDrawing,
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) where
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import Picture.Base
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import qualified SDL
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import qualified Data.Vector as V
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import Dodge.Render.Shadow
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import Control.Lens
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import Control.Monad
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import qualified Control.Monad.Parallel as MP
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import Data.Preload.Render
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import qualified Data.Vector.Unboxed.Mutable as UMV
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import Dodge.Data.Universe
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import Dodge.Render.Lights
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import Dodge.Render.Picture
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import Dodge.Render.ShapePicture
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import Dodge.Render.Walls
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import Foreign
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import Geometry
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import Graphics.GL.Core45
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import Graphics.Rendering.OpenGL hiding (color, rotate, scale, translate)
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import MatrixHelper
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import Render
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--import qualified SDL
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import Shader
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import Shader.Bind
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import Shader.Data
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import Shader.ExtraPrimitive
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import Shader.Parameters
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import Shader.Poke
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doDrawing :: SDL.Window -> RenderData -> Universe -> IO ()
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doDrawing win pdata u = do
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-- sTicks <- SDL.ticks
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let w = _uvWorld u
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cfig = _uvConfig u
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rot = w ^. cWorld . camPos . camRot
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camzoom = w ^. cWorld . camPos . camZoom
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trans = w ^. cWorld . camPos . camCenter
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wins@(V2 winx winy) = V2 (_windowX cfig) (_windowY cfig)
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resFact = resFactorNum $ cfig ^. graphics_resolution_factor
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(wallPointsCol, windowPoints, wallSPics) = wallsToDraw w
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lightPoints = lightsToRender cfig (w ^. cWorld . camPos) (w ^. cWorld . lWorld)
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viewFroms@(V2 vfx vfy) = w ^. cWorld . camPos . camViewFrom
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shadV = _pictureShaders pdata
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lwShad = _lightingWallShadShader pdata
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-- bind as much data into vbos as feasible at this point
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-- count mutable vectors setup
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layerCounts <- UMV.replicate (numLayers * 6) 0
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-- attempt to poke in parallel
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let (ws, wp) = wallSPics <> worldSPic cfig w
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--( (nWalls, nWins , nFls),(nShapeVs, nIndices, nSilIndices) )
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((nWalls, nWins, nFls), (nShapeVs, nIndices, nSilIndices)) <-
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MP.bindM3
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(\_ a b -> return (a, b))
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( pokeLayVerxs
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shadV
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layerCounts
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wp
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)
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( pokeWallsWindowsFloor
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(shadVBOptr $ _wallTextureShader pdata)
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(shadVBOptr $ _windowShader pdata)
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(shadVBOptr $ _textureArrayShader pdata)
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wallPointsCol
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windowPoints
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(w ^. cWorld . floorTiles)
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)
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( pokeShape
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(_vboPtr $ _vaoVBO $ _shadVAO' $ _shapeShader pdata)
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(_eboPtr $ _shapeEBO pdata)
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(_eboPtr $ _silhouetteEBO pdata)
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(0, 0, 0)
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ws
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)
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-- bind wall points, silhouette data, surface geometry
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bindShaderLayers shadV layerCounts
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uncurry bindShaderBuffers $
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unzip
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[ (_wallTextureShader pdata, nWalls)
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, (_shapeShader pdata, nShapeVs)
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, (_windowShader pdata, nWins)
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, (_textureArrayShader pdata, nFls)
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]
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glNamedBufferSubData
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(_eboName $ _shapeEBO pdata)
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0
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(fromIntegral $ glushortSize * nIndices)
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(_eboPtr $ _shapeEBO pdata)
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glNamedBufferSubData
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(_eboName $ _silhouetteEBO pdata)
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0
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(fromIntegral $ glushortSize * nSilIndices)
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(_eboPtr $ _silhouetteEBO pdata)
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-- set the coordinate uniform ready for drawing elements using world coordinates
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bufferUBO $ perspectiveMatrixb rot camzoom trans wins viewFroms
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setViewportSize (round winx `div` resFact) (round winy `div` resFact)
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--bindFramebuffer Framebuffer $= fst (_fboBase pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboBase pdata)))
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glClearColor 0 0 0 0
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clear [ColorBuffer, DepthBuffer]
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depthFunc $= Just Less
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-- draw wall occlusions from the camera's point of view
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-- currentProgram $= lwShad ^? shadProg -- Just (_shadProg lwShad)
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-- uniform (_shadUnis lwShad V.! 0) $= viewFrom3d
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glUseProgram (lwShad ^. shadProg')
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glUniform3f (_shadUnis' lwShad V.! 0) vfx vfy 20
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--bindVertexArrayObject $= lwShad ^? shadVAO' . vaoName -- Just (_vao $ _shadVAO lwShad)
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glBindVertexArray $ lwShad ^. shadVAO' . vaoName -- Just (_vao $ _shadVAO lwShad)
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unless (debugOn Remove_LOS cfig) $
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glDrawArrays
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(marshalEPrimitiveMode $ _shadPrim' lwShad)
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0
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(fromIntegral nWalls)
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--draw walls onto base buffer
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if cfig ^. graphics_wall_textured
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then renderTextureWalls pdata nWalls
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else renderBlankWalls pdata nWalls
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--draw object pictures onto base buffer
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renderLayer BottomLayer shadV layerCounts
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--draw object shapes onto base buffer
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let fs = _shapeShader pdata
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--currentProgram $= Just (_shadProg fs)
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glUseProgram (_shadProg' fs)
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--bindVertexArrayObject $= fs ^? shadVAO' . vaoName -- Just (_vao $ _shadVAO fs)
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glBindVertexArray $ fs ^. shadVAO' . vaoName -- Just (_vao $ _shadVAO fs)
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glDrawElements
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(marshalEPrimitiveMode $ _shadPrim' fs)
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(fromIntegral nIndices)
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GL_UNSIGNED_SHORT
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nullPtr
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--draw floor onto base buffer
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-- nTextArrayVs <- pokePoint33s (shadVBOptr $ _textureArrayShader pdata) (_floorTiles w)
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drawShader (_textureArrayShader pdata) nFls
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--draw lightmap into its own buffer
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--bindFramebuffer Framebuffer $= fst (_fboLighting pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboLighting pdata)))
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createLightMap
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pdata
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lightPoints
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nWalls
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nSilIndices
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nIndices
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--(_graphics_object_shadows $ _uvConfig u)
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(u ^. uvConfig . graphics_object_shadows)
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(snd $ snd $ pdata ^. fboBase)
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(drawCPUShadows pdata ws)
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colorMask $= Color4 Enabled Enabled Enabled Enabled
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glClearColor 0 0 0 0
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--apply lightmap to base buffer
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--bindFramebuffer Framebuffer $= pdata ^. fboBase . _1 --fst (_fboBase pdata)
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glBindFramebuffer GL_FRAMEBUFFER (pdata ^. fboBase . _1 . unFBO)
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--textureBinding Texture2D $= Just (snd $ _fboLighting pdata)
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--textureBinding Texture2D $= pdata ^? fboLighting . _2 -- Just (snd $ _fboLighting pdata)
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glBindTexture GL_TEXTURE_2D (pdata ^. fboLighting . _2 . unTO) -- Just (snd $ _fboLighting pdata)
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blend $= Enabled
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blendFunc $= (Zero, OneMinusSrcColor)
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drawShader (_fullscreenShader pdata) 4
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--draw bloom onto bloom buffer
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--bindFramebuffer Framebuffer $= pdata ^. fboBloom . _1 --fst (_fboBloom pdata)
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glBindFramebuffer GL_FRAMEBUFFER (pdata ^. fboBloom . _1 . unFBO)
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clear [ColorBuffer]
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depthFunc $= Just Less
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blendFunc $= (SrcAlpha, OneMinusSrcAlpha)
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depthMask $= Disabled
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renderLayer BloomNoZWrite shadV layerCounts
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depthMask $= Enabled
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renderLayer BloomLayer shadV layerCounts
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--depthMask $= Enabled
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--setup downscale viewport for blurring bloom
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setViewportSize (round winx `div` (2 * resFact)) (round winy `div` (2 * resFact))
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--bindFramebuffer Framebuffer $= fst (_fboHalf1 pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboHalf1 pdata)))
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depthFunc $= Just Always
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--textureBinding Texture2D $= pdata ^? fboBloom . _2 -- Just (snd $ _fboBloom pdata)
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glBindTexture GL_TEXTURE_2D (pdata ^. fboBloom . _2 . unTO) -- Just (snd $ _fboBloom pdata)
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blend $= Disabled
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drawShader (_bloomBlurShader pdata) 4
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replicateM_ 9 $ pingPongBetween (_fboHalf1 pdata) (_fboHalf2 pdata) (_bloomBlurShader pdata)
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blend $= Enabled
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setViewportSize (round winx `div` resFact) (round winy `div` resFact)
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--draw clouds onto cloud buffer
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--bindFramebuffer Framebuffer $= fst (_fboCloud pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboCloud pdata)))
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depthFunc $= Just Lequal
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depthMask $= Disabled
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glClearColor 0.5 0.5 0.5 0
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--blendFunc $= (SrcAlphaSaturate,One)
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--blendColor $= Color4 0.5 0.5 0.5 0.5
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--blendFuncSeparate $= ((SrcAlphaSaturate,One) , (One,OneMinusSrcAlpha))
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blendFuncSeparate $= ((SrcAlpha, OneMinusSrcAlpha), (One, OneMinusSrcAlpha))
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drawBuffers $= [FBOColorAttachment 0, NoBuffers]
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clear [ColorBuffer]
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renderLayer MidLayer shadV layerCounts
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--renderWindows pdata windowPoints
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drawShader (_windowShader pdata) nWins
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when (_graphics_cloud_shadows cfig) $ do
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----render transparency depths
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depthMask $= Enabled
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blend $= Disabled
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drawBuffers $= [NoBuffers, FBOColorAttachment 1]
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renderLayer MidLayer shadV layerCounts
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drawShader (_windowShader pdata) nWins
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----draw lightmap for cloud buffer
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depthMask $= Disabled
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blend $= Enabled
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--bindFramebuffer Framebuffer $= fst (_fboLighting pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboLighting pdata)))
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createLightMap
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pdata
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lightPoints
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nWalls
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nSilIndices
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nIndices
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(_graphics_object_shadows $ _uvConfig u)
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(snd $ snd $ _fboCloud pdata)
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(drawCPUShadows pdata ws)
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colorMask $= Color4 Enabled Enabled Enabled Enabled
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glClearColor 0 0 0 0
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--apply lightmap to cloud buffer
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glClearColor 0 0 0 0
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--bindFramebuffer Framebuffer $= fst (_fboCloud pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboCloud pdata)))
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depthMask $= Disabled
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drawBuffers $= [FBOColorAttachment 0, NoBuffers]
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depthFunc $= Just Always
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--textureBinding Texture2D $= Just (snd $ _fboLighting pdata)
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glBindTexture GL_TEXTURE_2D (_unTO . snd $ _fboLighting pdata)
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blend $= Enabled
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--blendFunc $= (Zero, OneMinusSrcAlpha)
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blendFuncSeparate $= ((Zero, OneMinusSrcColor), (Zero, One))
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drawShader (_fullscreenShader pdata) 4
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blendFunc $= (SrcAlpha, OneMinusSrcAlpha)
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-- bind base buffer for drawing bloom then clouds
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--bindFramebuffer Framebuffer $= fst (_fboBase pdata)
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glBindFramebuffer GL_FRAMEBUFFER (_unFBO (fst (_fboBase pdata)))
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--Draw blurred bloom onto base buffer
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blend $= Enabled
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blendFunc $= (SrcAlpha, One)
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--textureBinding Texture2D $= Just (snd $ _fboHalf1 pdata)
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glBindTexture GL_TEXTURE_2D (_unTO . snd $ _fboHalf1 pdata)
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drawShader (_fullscreenShader pdata) 4
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blendFunc $= (SrcAlpha, OneMinusSrcAlpha)
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--draw shadowed clouds onto base buffer
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--textureBinding Texture2D $= Just (fst $ snd $ _fboCloud pdata)
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glBindTexture GL_TEXTURE_2D (_unTO . fst . snd $ _fboCloud pdata)
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drawShader (_fullscreenShader pdata) 4
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--set viewport for radial distortion
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setViewportSize (round winx) (round winy)
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depthFunc $= Just Always
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blendFunc $= (One, Zero)
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-- perform any radial distortion
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case w ^. cWorld . lWorld . distortions of
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[] -> do
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bindTO $ fst $ snd $ _fboBase pdata
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bindFramebuffer Framebuffer $= defaultFramebufferObject
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--bufferUBO $ perspectiveMatrixb rot camzoom trans wins viewFroms
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drawShader (_fullscreenShader pdata) 4
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rds -> do
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let bindDrawDist :: Distortion -> IO ()
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bindDrawDist (RadialDistortion (V2 a b) (V2 c d) (V2 e f) g) = do
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pokeArray (shadVBOptr $ _barrelShader pdata) [a, b, c, d, e, f, g]
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bindShaderBuffers [_barrelShader pdata] [1]
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drawShader (_barrelShader pdata) 1
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fboList =
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take (length rds - 1) (concat (repeat [fst $ _fbo2 pdata, fst $ _fbo3 pdata]))
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-- ++ [defaultFramebufferObject]
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++ [FBO 0]
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toList = fst (snd (_fboBase pdata)) : concat (repeat [snd $ _fbo2 pdata, snd $ _fbo3 pdata])
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bindings = zipWith (>>) (map bindFBO fboList) (map bindTO toList)
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activeTexture $= TextureUnit 1
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zipWithM_ (>>) bindings $ map bindDrawDist rds
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activeTexture $= TextureUnit 0
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depthFunc $= Just Always
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blend $= Enabled
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blendFunc $= (SrcAlpha, OneMinusSrcAlpha)
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renderLayer DebugLayer shadV layerCounts
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-- draw overlay
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depthFunc $= Just Always
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depthMask $= Disabled
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blend $= Enabled
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blendFunc $= (SrcAlpha, OneMinusSrcAlpha)
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bufferUBO $ isoMatrix 0 1 (V2 0 0) (V2 2 2)
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renderLayer FixedCoordLayer shadV layerCounts
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renderFoldable shadV $ fixedCoordPictures u
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depthMask $= Enabled
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when (debugOn Show_ms_frame $ _uvConfig u) $
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renderFoldable
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(_pictureShaders pdata)
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( setDepth (-1)
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. translate (-0.5) (-0.8)
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. scale 0.0005 0.0005
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$ fpsText (u ^. uvFrameTicks - u ^. uvLastFrameTicks)
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)
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SDL.glSwapWindow win
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-- eTicks <- SDL.ticks
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-- return (eTicks - sTicks)
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fpsText :: (Show a, Ord a, Num a) => a -> Picture
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fpsText x = color col $ text $ "ms/frame " ++ show x
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where
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col
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| x < 22 = blue
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| x < 30 = green
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| x < 40 = yellow
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| x < 50 = orange
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| otherwise = red
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--------------------------------------------------------------------------------
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-- note: currently assume there is only one UBO, we only bind it once at setup
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bufferUBO :: [Float] -> IO ()
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bufferUBO mat = withArray mat $ \ptr ->
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bufferSubData UniformBuffer WriteToBuffer 0 64 ptr
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setViewportSize :: Int -> Int -> IO ()
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setViewportSize x y =
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viewport
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$= ( Position 0 0
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, Size (fromIntegral x) (fromIntegral y)
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)
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renderBlankWalls ::
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RenderData ->
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-- | number of walls
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Int ->
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IO ()
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renderBlankWalls pdata nWalls = do
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cullFace $= Just Back
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drawShader (_wallBlankShader pdata) nWalls
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cullFace $= Nothing
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renderTextureWalls ::
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RenderData ->
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-- | number of walls
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Int ->
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IO ()
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renderTextureWalls pdata nWalls = do
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cullFace $= Just Back
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drawShader (_wallTextureShader pdata) nWalls
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cullFace $= Nothing
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