275 lines
11 KiB
Haskell
275 lines
11 KiB
Haskell
--{-# LANGUAGE TemplateHaskell #-}
|
|
--{-# OPTIONS_GHC -Wno-unused-top-binds #-}
|
|
module Preload.Render (
|
|
preloadRender,
|
|
cleanUpRenderPreload,
|
|
) where
|
|
|
|
import GLHelp
|
|
import Control.Lens
|
|
import Control.Monad
|
|
import Data.Preload.Render
|
|
import qualified Data.Vector.Mutable as MV
|
|
import Foreign
|
|
import Framebuffer.Setup
|
|
import Graphics.Rendering.OpenGL hiding (Point, imageHeight, scale, translate)
|
|
import Shader
|
|
import Shader.AuxAddition
|
|
import Shader.Bind
|
|
import Shader.Compile
|
|
import Shader.Data
|
|
import Shader.Parameters
|
|
import Graphics.GL.Core45
|
|
|
|
numDrawableWalls :: Int
|
|
numDrawableWalls = 5000
|
|
|
|
preloadRender :: IO RenderData
|
|
preloadRender = do
|
|
-- set up uniform buffer object
|
|
theUBO <- genObjectName
|
|
bindBuffer UniformBuffer $= Just theUBO
|
|
bufferData UniformBuffer $= (64, nullPtr, StreamDraw)
|
|
bindBufferBase IndexedUniformBuffer 0 $= Just theUBO
|
|
-- setup wall points VBO, VAOs and shaders
|
|
wpVBOname <- genObjectName
|
|
wpVBOptr <- mallocArray (8 * numDrawableWalls)
|
|
bindBuffer ArrayBuffer $= Just wpVBOname
|
|
bufferData ArrayBuffer
|
|
$= ( fromIntegral $ floatSize * numDrawableWalls * 8
|
|
, nullPtr
|
|
, StreamDraw
|
|
)
|
|
let wpVBO = VBO{_vbo = wpVBOname, _vboPtr = wpVBOptr, _vboAttribSizes = [4, 4], _vboStride = 8}
|
|
-- wpVAOname <- genObjectName
|
|
-- bindVertexArrayObject $= Just wpVAOname
|
|
wpVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray wpVAOname
|
|
bindBuffer ArrayBuffer $= Just wpVBOname
|
|
setupVertexAttribPointer 0 4 8 0
|
|
--wpColVAOname <- genObjectName
|
|
--bindVertexArrayObject $= Just wpColVAOname
|
|
wpColVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray wpColVAOname
|
|
setupVertexAttribPointer 0 4 8 0
|
|
setupVertexAttribPointer 1 4 8 4
|
|
let wpVAO = VAO{_vaoName = wpVAOname, _vaoVBO = wpVBO}
|
|
wpColVAO = VAO{_vaoName = wpColVAOname, _vaoVBO = wpVBO}
|
|
-- setup window points VBO, VAOs and shaders
|
|
winVBOname <- genObjectName
|
|
winVBOptr <- mallocArray (8 * numDrawableWalls)
|
|
bindBuffer ArrayBuffer $= Just winVBOname
|
|
bufferData ArrayBuffer
|
|
$= ( fromIntegral $ floatSize * numDrawableWalls * 8
|
|
, nullPtr
|
|
, StreamDraw
|
|
)
|
|
let winVBO = VBO{_vbo = winVBOname, _vboPtr = winVBOptr, _vboAttribSizes = [4, 4], _vboStride = 8}
|
|
--winColVAOname <- genObjectName
|
|
--bindVertexArrayObject $= Just winColVAOname
|
|
winColVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray winColVAOname
|
|
setupVertexAttribPointer 0 4 8 0
|
|
setupVertexAttribPointer 1 4 8 4
|
|
let winColVAO = VAO{_vaoName = winColVAOname, _vaoVBO = winVBO}
|
|
-- setup shape geometry/cap VBO and two VAOs
|
|
shEBOname <- genObjectName
|
|
shEBOptr <- mallocArray numDrawableElements
|
|
bindBuffer ElementArrayBuffer $= Just shEBOname
|
|
bufferData ElementArrayBuffer
|
|
$= ( fromIntegral $ glushortSize * numDrawableElements
|
|
, nullPtr
|
|
, StreamDraw
|
|
)
|
|
let shEBO = EBO{_ebo = shEBOname, _eboPtr = shEBOptr}
|
|
shVBOname <- genObjectName
|
|
shVBOptr <- mallocArray (7 * numDrawableElements)
|
|
bindBuffer ArrayBuffer $= Just shVBOname
|
|
bufferData ArrayBuffer
|
|
$= ( fromIntegral $ floatSize * numDrawableElements * 7
|
|
, nullPtr
|
|
, StreamDraw
|
|
)
|
|
let shVBO = VBO{_vbo = shVBOname, _vboPtr = shVBOptr, _vboAttribSizes = [4, 4], _vboStride = 8}
|
|
--shPosColVAOname <- genObjectName
|
|
--bindVertexArrayObject $= Just shPosColVAOname
|
|
shPosColVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray shPosColVAOname
|
|
bindBuffer ArrayBuffer $= Just shVBOname
|
|
setupVertexAttribPointer 0 3 7 0
|
|
setupVertexAttribPointer 1 4 7 3
|
|
bindBuffer ElementArrayBuffer $= Just shEBOname
|
|
--shPosVAOname <- genObjectName
|
|
--bindVertexArrayObject $= Just shPosVAOname
|
|
shPosVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray shPosVAOname
|
|
bindBuffer ArrayBuffer $= Just shVBOname
|
|
setupVertexAttribPointer 0 3 7 0
|
|
bindBuffer ElementArrayBuffer $= Just shEBOname
|
|
let shPosColVAO = VAO{_vaoName = shPosColVAOname, _vaoVBO = shVBO}
|
|
shPosVAO = VAO{_vaoName = shPosVAOname, _vaoVBO = shVBO}
|
|
--setup silhouette edge VAO
|
|
--shEdgeVAOname <- genObjectName
|
|
--bindVertexArrayObject $= Just shEdgeVAOname
|
|
shEdgeVAOname <- mglCreateSingle glGenVertexArrays
|
|
glBindVertexArray shEdgeVAOname
|
|
bindBuffer ArrayBuffer $= Just shVBOname
|
|
setupVertexAttribPointer 0 3 7 0
|
|
--setup ebo for silhouette edges
|
|
silEBOname <- genObjectName
|
|
silEBOptr <- mallocArray numDrawableElements
|
|
-- it may be important to bind this while the correct VAO is bound
|
|
bindBuffer ElementArrayBuffer $= Just silEBOname
|
|
bufferData ElementArrayBuffer
|
|
$= ( fromIntegral $ glushortSize * numDrawableElements
|
|
, nullPtr
|
|
, StreamDraw
|
|
)
|
|
let silEBO = EBO{_ebo = silEBOname, _eboPtr = silEBOptr}
|
|
shEdgeVAO = VAO{_vaoName = shEdgeVAOname, _vaoVBO = shVBO}
|
|
-- lighting shaders
|
|
lightingWallShadShad <-
|
|
makeShaderUsingVAO "lighting/wallShadow" [vert', geom', frag'] EPoints wpVAO
|
|
>>= addUniforms ["lightPos"]
|
|
lightingCapShad <-
|
|
makeShaderUsingVAO "lighting/cap" [vert', geom', frag'] ETriangles shPosVAO
|
|
>>= addUniforms ["lightPos"]
|
|
lightingLineShadowShad <-
|
|
makeShaderUsingVAO "lighting/lineShadow" [vert', geom', frag'] ELinesAdjacency shEdgeVAO
|
|
>>= addUniforms ["lightPos", "radiusUniform"]
|
|
-- positional shader
|
|
positionalBlankShad <- makeShader "positional/blank" [vert', frag'] [3] ETriangles
|
|
-- 2D draw shaders
|
|
bslist <- makeShader "dualTwoD/basic" [vert', frag'] [3, 4] ETriangles
|
|
bslista <- makeShader "dualTwoD/basic" [vert', frag'] [3, 4] ETriangles
|
|
aslist <- makeShader "dualTwoD/arc" [vert', frag'] [3, 4, 3] ETriangles
|
|
eslist <- makeShader "dualTwoD/ellipse" [vert', geom', frag'] [3, 4] ETriangles
|
|
bezierQuadShader <- makeShader "dualTwoD/bezierQuad" [vert', frag'] [3, 4, 4] ETriangleStrip
|
|
cslist <-
|
|
makeShader "dualTwoD/character" [vert', frag'] [3, 4, 2] ETriangles
|
|
>>= vaddTextureNoFilter "data/texture/charMap.png"
|
|
-- this should really be a 2d texture array
|
|
basicTweakZShad <- makeShader "dualTwoD/basicTweakZ" [vert', frag'] [4, 4] ETriangles
|
|
-- fullscreen shaders
|
|
--fullscreenAlphaHalveShad <- makeShaderSized "fullscreen/alphaHalve" [vert,frag] [2] 4 ETriangleStrip
|
|
--pokeArray (shadVBOptr fullscreenAlphaHalveShad) $ concat cornerListNoCoord
|
|
-- texture shaders, no textures attached
|
|
fsShad <- makeShaderSized "texture/simple" [vert', frag'] [2, 2] 4 ETriangleStrip
|
|
-- note we directly poke the shader vertex data here
|
|
-- could possibly use an indirect draw call
|
|
pokeArray (shadVBOptr' fsShad) $ concat cornerList
|
|
|
|
let fsshadvao = fsShad ^. shadVAO'
|
|
|
|
bloomBlurShad <- makeShaderUsingVAO "texture/bloomBlur" [vert', frag'] ETriangleStrip fsshadvao
|
|
colorBlurShad <- makeShaderUsingVAO "texture/colorBlur" [vert', frag'] ETriangleStrip fsshadvao
|
|
grayscaleShad <- makeShaderUsingVAO "texture/grayscale" [vert', frag'] ETriangleStrip fsshadvao
|
|
lightingTextureShad <-
|
|
makeShaderUsingVAO "lighting/texture" [vert', frag'] ETriangleStrip fsshadvao
|
|
>>= addUniforms ["lightPos", "lumRad"]
|
|
barrelShad <- makeShader "texture/barrel" [vert', geom', frag'] [2, 2, 2, 1] EPoints
|
|
-- blank wallShader
|
|
wallBlankShad <- makeShaderUsingVAO "wall/blank" [vert', geom', frag'] EPoints wpColVAO
|
|
-- textured wallShader
|
|
wallTextureShad <-
|
|
makeShaderUsingVAO "wall/texture" [vert', geom', frag'] EPoints wpColVAO
|
|
>>= addTexture "data/texture/grayscaleDirt.png"
|
|
---- texture array shader
|
|
textArrayShad <-
|
|
makeShader "texture/arrayPos" [vert', frag'] [3, 3] ETriangles
|
|
>>= addTextureArray "data/texture/ayene_wooden_floor_transformed.png"
|
|
-- >>= addTextureArray "data/texture/ayene_wooden_floor.png"
|
|
-- bind fixed vertex data
|
|
bindShaderBuffers' [fsShad] [4, 4]
|
|
framebuf2 <- setupTextureFramebuffer 800 600
|
|
framebuf3 <- setupTextureFramebuffer 800 600
|
|
|
|
rboBaseBloomName <- genObjectName
|
|
bindRenderbuffer Renderbuffer $= rboBaseBloomName
|
|
renderbufferStorage Renderbuffer Depth24Stencil8 (RenderbufferSize 800 600)
|
|
|
|
fboBaseName <- setupFramebuffer2GivenStencil rboBaseBloomName
|
|
fboCloudName <- setupFramebuffer2GivenStencil rboBaseBloomName
|
|
fboBloomName <- setupFramebufferGivenStencil rboBaseBloomName
|
|
fboColorName <- setupFramebufferGivenStencil rboBaseBloomName
|
|
fboPosName <- setupFramebufferGivenStencil rboBaseBloomName
|
|
fboLightingName <- setupFramebufferGivenStencil rboBaseBloomName
|
|
fboLightingHighName <- setupFramebufferGivenStencil rboBaseBloomName
|
|
|
|
fboShadowName <- setupShadowFramebuffer
|
|
|
|
fboHalf1Name <- setupTextureFramebuffer 300 300
|
|
fboHalf2Name <- setupTextureFramebuffer 300 300
|
|
fboHalf3Name <- setupTextureFramebuffer 300 300
|
|
|
|
-- reset to default framebuffer, ready for drawing direct to screen
|
|
bindFramebuffer Framebuffer $= defaultFramebufferObject
|
|
|
|
-- set the clearColor to have 1 alpha
|
|
clearColor $= Color4 0 0 0 1
|
|
|
|
shadV <- MV.new 6
|
|
zipWithM_
|
|
(MV.write shadV)
|
|
[0 .. 5]
|
|
[ bslist -- note the ordering is very important
|
|
, basicTweakZShad -- ShadNum
|
|
, bezierQuadShader
|
|
, cslist
|
|
, aslist
|
|
, eslist
|
|
]
|
|
|
|
return $
|
|
RenderData
|
|
{ _pictureShaders = shadV
|
|
, _shapeShader = bslista{_shadVAO' = shPosColVAO}
|
|
, _shapeEBO = shEBO
|
|
, _silhouetteEBO = silEBO
|
|
, _lightingCapShader = lightingCapShad
|
|
, _lightingLineShadowShader = lightingLineShadowShad
|
|
, _positionalBlankShader = positionalBlankShad
|
|
, _lightingWallShadShader = lightingWallShadShad
|
|
, _wallBlankShader = wallBlankShad
|
|
, _wallTextureShader = wallTextureShad
|
|
, _windowShader = wallBlankShad{_shadVAO' = winColVAO}
|
|
, _textureArrayShader = textArrayShad
|
|
, _fullscreenShader = fsShad
|
|
, _lightingTextureShader = lightingTextureShad
|
|
, _bloomBlurShader = bloomBlurShad
|
|
, _colorBlurShader = colorBlurShad
|
|
, _barrelShader = barrelShad
|
|
, _grayscaleShader = grayscaleShad
|
|
, _fbo2 = framebuf2
|
|
, _fbo3 = framebuf3
|
|
, _fboHalf1 = fboHalf1Name
|
|
, _fboHalf2 = fboHalf2Name
|
|
, _fboHalf3 = fboHalf3Name
|
|
, _fboLighting = fboLightingName
|
|
, _fboLightingHigh = fboLightingHighName
|
|
, _fboShadow = fboShadowName
|
|
, _fboBase = fboBaseName
|
|
, _fboCloud = fboCloudName
|
|
, _fboBloom = fboBloomName
|
|
, _fboColor = fboColorName
|
|
, _fboPos = fboPosName
|
|
, _rboBaseBloom = rboBaseBloomName
|
|
, _matUBO = theUBO
|
|
}
|
|
|
|
--------------------end preloadRender
|
|
cornerList :: [[Float]]
|
|
cornerList =
|
|
[ [-1, 1, 0, 1]
|
|
, [-1, -1, 0, 0]
|
|
, [1, 1, 1, 1]
|
|
, [1, -1, 1, 0]
|
|
]
|
|
|
|
cleanUpRenderPreload :: RenderData -> IO ()
|
|
cleanUpRenderPreload pd = do
|
|
-- TODO fix this
|
|
--mapM_ freeShaderPointers $ _pictureShaders pd
|
|
freeShaderPointers' $ _lightingWallShadShader pd
|
|
freeShaderPointers' $ _fullscreenShader pd
|