290 lines
11 KiB
Haskell
290 lines
11 KiB
Haskell
--{-# LANGUAGE TemplateHaskell #-}
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--{-# OPTIONS_GHC -Wno-unused-top-binds #-}
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module Preload.Render (
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preloadRender,
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cleanUpRenderPreload,
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) where
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import Shader.AuxAddition
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import Shape.Data
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import Geometry.Data
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import MatrixHelper
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import GLHelp
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import Control.Lens
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import Control.Monad
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import Data.Preload.Render
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import qualified Data.Vector.Mutable as MV
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import Foreign
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import Framebuffer.Setup
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import Shader
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import Shader.Bind
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import Shader.Compile
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import Shader.Data
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import Shader.Parameters
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import Graphics.GL.Core45
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numDrawableWalls :: Int
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numDrawableWalls = 5000
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preloadRender :: IO RenderData
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preloadRender = do
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-- set up uniform buffer object
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theUBO <- mglCreate glCreateBuffers
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glNamedBufferData theUBO 64 nullPtr GL_STREAM_DRAW
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glBindBufferBase GL_UNIFORM_BUFFER 0 theUBO
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orthonormalUBO <- mglCreate glCreateBuffers
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withArray (isoMatrix 0 1 (V2 0 0) (V2 2 2)) $ \ptr ->
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glNamedBufferStorage orthonormalUBO 64 ptr 0
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lightsubo <- mglCreate glCreateBuffers
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glNamedBufferData lightsubo 640 nullPtr GL_STREAM_DRAW
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glBindBufferBase GL_UNIFORM_BUFFER 1 lightsubo
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-- setup wall points VBO, VAOs and shaders
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wpVBOname <- mglCreate glCreateBuffers
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wpVBOptr <- mallocArray (8 * numDrawableWalls)
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glNamedBufferData wpVBOname
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( fromIntegral $ floatSize * numDrawableWalls * 8)
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nullPtr
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GL_STREAM_DRAW
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let wpVBO = VBO{_vboName = wpVBOname, _vboPtr = wpVBOptr, _vboVertexSize = 8}
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wpVAOname <- mglCreate glCreateVertexArrays
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glBindVertexArray wpVAOname
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glVertexArrayVertexBuffer wpVAOname 0 wpVBOname 0 (fromIntegral $ floatSize * 8)
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setupVertexAttribPointer wpVAOname 0 4 0
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wpColVAOname <- mglCreate glCreateVertexArrays
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glBindVertexArray wpColVAOname
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glVertexArrayVertexBuffer wpColVAOname 0 wpVBOname 0 (fromIntegral $ floatSize * 8)
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setupVertexAttribPointer wpColVAOname 0 4 0
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setupVertexAttribPointer wpColVAOname 1 4 4
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let wpVAO = VAO{_vaoName = wpVAOname}
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wpColVAO = VAO{_vaoName = wpColVAOname}
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-- setup window points VBO, VAOs and shaders
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winVBOname <- mglCreate glCreateBuffers
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winVBOptr <- mallocArray (8 * numDrawableWalls)
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glNamedBufferData wpVBOname
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( fromIntegral $ floatSize * numDrawableWalls * 8)
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nullPtr
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GL_STREAM_DRAW
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let winVBO = VBO{_vboName = winVBOname, _vboPtr = winVBOptr, _vboVertexSize = 8}
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winColVAOname <- mglCreate glCreateVertexArrays
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glBindVertexArray winColVAOname
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glVertexArrayVertexBuffer winColVAOname 0 winVBOname 0 (fromIntegral $ floatSize * 8)
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setupVertexAttribPointer winColVAOname 0 4 0
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setupVertexAttribPointer winColVAOname 1 4 4
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let winColVAO = VAO
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{_vaoName = winColVAOname}
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-- setup shape geometry/cap VBO and two VAOs
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shEBOptr <- mallocArray numDrawableElements
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shEBOname <- mglCreate glCreateBuffers
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glNamedBufferData
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shEBOname
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( fromIntegral $ glushortSize * numDrawableElements)
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nullPtr
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GL_STREAM_DRAW
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let shEBO = EBO{_eboName = shEBOname, _eboPtr = shEBOptr}
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shVBO <- setupVBO nShapeVerxComp
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shPosVAOname <- mglCreate glCreateVertexArrays
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glBindVertexArray shPosVAOname
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glVertexArrayVertexBuffer shPosVAOname 0 (shVBO ^. vboName) 0 (fromIntegral $ floatSize * nShapeVerxComp)
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setupVertexAttribPointer shPosVAOname 0 4 0
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glVertexArrayElementBuffer shPosVAOname shEBOname
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let shPosVAO = VAO{_vaoName = shPosVAOname}
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--setup silhouette edge VAO
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shEdgeVAOname <- mglCreate glCreateVertexArrays
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glBindVertexArray shEdgeVAOname
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glVertexArrayVertexBuffer shEdgeVAOname 0 (shVBO ^. vboName) 0 (fromIntegral $ floatSize * nShapeVerxComp)
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setupVertexAttribPointer shEdgeVAOname 0 4 0
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--setup ebo for silhouette edges
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silEBOname <- mglCreate glCreateBuffers
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silEBOptr <- mallocArray numDrawableElements
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glVertexArrayElementBuffer shEdgeVAOname silEBOname
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glNamedBufferData
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silEBOname
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( fromIntegral $ glushortSize * numDrawableElements)
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nullPtr
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GL_STREAM_DRAW
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let silEBO = EBO{_eboName = silEBOname, _eboPtr = silEBOptr}
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shEdgeVAO = VAO{_vaoName = shEdgeVAOname}
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-- shEdgeVAO is unecessary?
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-- lighting shaders
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lightingWallShadShad <-
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makeShaderUsingVAO "lighting/wallShadow" [vert, geom, frag] EPoints wpVAO
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>>= addUniforms ["lightPos","rad"]
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lightingCapShad <-
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makeShaderUsingVAO "lighting/cap" [vert, geom] ETriangles shPosVAO
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>>= addUniforms ["lightPos"]
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lightingLineShadowShad <-
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makeShaderUsingVAO "lighting/lineShadow" [vert, geom] ELinesAdjacency shEdgeVAO
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>>= addUniforms ["lightPos", "radiusUniform"]
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shadowedgeshader <-
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makeShaderUsingVAO "shadow/edge" [vert, geom] ELinesAdjacency shEdgeVAO
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shadowcapshader <-
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makeShaderUsingVAO "shadow/cap" [vert, geom] ETriangles shPosVAO
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shadowwallshader <-
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makeShaderUsingVAO "shadow/wallShadow" [vert, geom] EPoints wpVAO
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shadowlightshader <- makeShaderSized "shadow/light" [vert, geom, frag]
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[1] 1
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EPoints
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shadowcombineshader <- makeShaderSized "shadow/combine" [vert,geom,frag] [1] 1 EPoints
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poke (shadVBOptr shadowlightshader) 1
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-- positional shader
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positionalBlankShad <- makeShader "positional/blank" [vert, frag] [3] ETriangles
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-- 2D draw shaders
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bslist <- makeShader "dualTwoD/basic" [vert, frag] [3, 4] ETriangles
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bslista <- makeShader4 "shape/basic" [vert, frag] shapeVerxSizes nShapeVerxComp ETriangles shVBO
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glVertexArrayElementBuffer (bslista ^. shadVAO . vaoName) shEBOname
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aslist <- makeShader "dualTwoD/arc" [vert, frag] [3, 4, 3] ETriangles
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eslist <- makeShader "dualTwoD/ellipse" [vert, geom, frag] [3, 4] ETriangles
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bezierQuadShader <- makeShader "dualTwoD/bezierQuad" [vert, frag] [3, 4, 4] ETriangleStrip
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cslist <-
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makeShader "dualTwoD/character" [vert, frag] [3, 4, 2] ETriangles
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>>= _1 (vaddTextureNoFilter "data/texture/charMap.png")
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-- this should really be a 2d texture array
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basicTweakZShad <- makeShader "dualTwoD/basicTweakZ" [vert, frag] [4, 4] ETriangles
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-- texture shaders, no textures attached
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fsShad <- makeShaderSized "texture/simple" [vert, frag] [2, 2] 4 ETriangleStrip
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-- note we directly poke the shader vertex data here
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-- could possibly use an indirect draw call
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pokeArray (shadVBOptr fsShad) $ concat cornerList
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let fsshadvao = fsShad ^. _1 . shadVAO
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bloomBlurShad <- makeShaderUsingVAO "texture/bloomBlur" [vert, frag] ETriangleStrip fsshadvao
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colorBlurShad <- makeShaderUsingVAO "texture/colorBlur" [vert, frag] ETriangleStrip fsshadvao
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grayscaleShad <- makeShaderUsingVAO "texture/grayscale" [vert, frag] ETriangleStrip fsshadvao
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lightingTextureShad <-
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makeShaderUsingVAO "lighting/texture" [vert, frag] ETriangleStrip fsshadvao
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>>= addUniforms ["lightPos", "lumRad"]
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barrelShad <- makeShader "texture/barrel" [vert, geom, frag] [2, 2, 2, 1] EPoints
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-- blank wallShader
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wallBlankShad <- makeShaderUsingVAO "wall/blank" [vert, geom, frag] EPoints wpColVAO
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-- textured wallShader
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wallTextureShad <-
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makeShaderUsingVAO "wall/texture" [vert, geom, frag] EPoints wpColVAO
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>>= addSamplerTexture2D "data/texture/grayscaleDirt.png"
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---- texture array shader
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textArrayShad <-
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makeShader "texture/arrayPos" [vert, frag] [3, 3] ETriangles
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>>= addTextureArray "data/texture/ayene_wooden_floor_transformed.png"
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-- bind fixed vertex data
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bufferPokedVBO (snd fsShad) 4
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framebuf2 <- setupTextureFramebuffer 800 600
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framebuf3 <- setupTextureFramebuffer 800 600
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rboBaseBloomName <- mglCreate glCreateRenderbuffers
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glNamedRenderbufferStorage
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rboBaseBloomName
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GL_DEPTH24_STENCIL8
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800
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600
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fboBaseName <- setupFramebuffer3GivenStencil rboBaseBloomName
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fboCloudName <- setupFramebuffer2GivenStencil rboBaseBloomName
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fboBloomName <- setupFramebufferGivenStencil rboBaseBloomName
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fboPosName <- setupFramebufferGivenStencil rboBaseBloomName
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fboLightingName <- setupFramebufferGivenStencil rboBaseBloomName
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fboShadowName <- setupShadowFramebuffer
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fboHalf1Name <- setupTextureFramebuffer 300 300
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fboHalf2Name <- setupTextureFramebuffer 300 300
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fboHalf3Name <- setupTextureFramebuffer 300 300
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-- reset to default framebuffer, ready for drawing direct to screen
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glBindFramebuffer GL_FRAMEBUFFER 0
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shadV <- MV.new 6
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zipWithM_
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(MV.write shadV)
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[0 .. 5]
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[ bslist -- note the ordering is very important
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, basicTweakZShad -- ShadNum
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, bezierQuadShader
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, cslist
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, aslist
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, eslist
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]
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initializeGLState
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tonormalmap <- initTexture 3 GL_LINEAR_MIPMAP_LINEAR GL_LINEAR "data/normalMaps/verticalRidge.png"
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return $
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RenderData
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{ _pictureShaders = shadV
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, _shapeShader = bslista -- & shadVAO' .~ shPosColVAO
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, _shapeEBO = shEBO
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, _silhouetteEBO = silEBO
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, _lightingCapShader = lightingCapShad
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, _lightingLineShadowShader = lightingLineShadowShad
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, _lightingWallShadShader = lightingWallShadShad
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, _shadowEdgeShader = shadowedgeshader
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, _shadowCapShader = shadowcapshader
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, _shadowWallShader = shadowwallshader
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, _shadowLightShader = shadowlightshader
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, _shadowCombineShader = shadowcombineshader
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, _positionalBlankShader = positionalBlankShad
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, _wallBlankShader = wallBlankShad
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, _wallTextureShader = wallTextureShad
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, _windowShader = wallBlankShad{_shadVAO = winColVAO}
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, _textureArrayShader = textArrayShad
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, _fullscreenShader = fsShad
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, _lightingTextureShader = lightingTextureShad
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, _bloomBlurShader = bloomBlurShad
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, _colorBlurShader = colorBlurShad
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, _barrelShader = barrelShad
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, _grayscaleShader = grayscaleShad
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, _fbo2 = framebuf2
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, _fbo3 = framebuf3
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, _fboHalf1 = fboHalf1Name
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, _fboHalf2 = fboHalf2Name
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, _fboHalf3 = fboHalf3Name
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, _fboLighting = fboLightingName
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, _fboShadow = fboShadowName
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, _fboBase = fboBaseName
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, _fboCloud = fboCloudName
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, _fboBloom = fboBloomName
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, _fboPos = fboPosName
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, _rboBaseBloom = rboBaseBloomName
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, _matUBO = theUBO
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, _orthonormalMatUBO = orthonormalUBO
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, _lightsUBO = lightsubo
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, _vboWalls = wpVBO
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, _vboWindows = winVBO
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, _vboShapes = shVBO
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, _toNormalMaps = tonormalmap
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}
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--------------------end preloadRender
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cornerList :: [[Float]]
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cornerList =
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[ [-1, 1, 0, 1]
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, [-1, -1, 0, 0]
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, [1, 1, 1, 1]
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, [1, -1, 1, 0]
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]
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--cornerListForTriangles :: [[Float]]
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--cornerListForTriangles =
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-- [ [-1, 1, 0, 1]
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-- , [-1, -1, 0, 0]
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-- , [1, 1, 1, 1]
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-- , [-1, -1, 0, 0]
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-- , [1, 1, 1, 1]
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-- , [1, -1, 1, 0]
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-- ]
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initializeGLState :: IO ()
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initializeGLState = do
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glEnable GL_DEPTH_TEST
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cleanUpRenderPreload :: RenderData -> IO ()
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cleanUpRenderPreload _ = return ()
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--cleanUpRenderPreload pd = do
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-- TODO fix this
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--mapM_ freeShaderPointers $ _pictureShaders pd
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--freeShaderPointers' $ _lightingWallShadShader pd
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--freeShaderPointers' $ _fullscreenShader pd
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