def __init__(self, pipeline):
DebugObject.__init__(self, "GlobalIllumnination")
self.pipeline = pipeline
# Fetch the scene data
self.targetCamera = Globals.base.cam
self.targetSpace = Globals.base.render
# Store grid size in world space units
# This is the half voxel grid size
self.voxelGridSizeWS = Vec3(60)
# When you change this resolution, you have to change it in Shader/GI/ConvertGrid.fragment aswell
self.voxelGridResolution = LVecBase3i(256)
self.targetLight = None
self.helperLight = None
self.ptaGridPos = PTALVecBase3f.emptyArray(1)
self.gridPos = Vec3(0)
# Create ptas
self.ptaLightUVStart = PTALVecBase2f.emptyArray(1)
self.ptaLightMVP = PTAMat4.emptyArray(1)
self.ptaVoxelGridStart = PTALVecBase3f.emptyArray(1)
self.ptaVoxelGridEnd = PTALVecBase3f.emptyArray(1)
self.ptaLightDirection = PTALVecBase3f.emptyArray(1)
self.targetSpace.setShaderInput("giLightUVStart", self.ptaLightUVStart)
self.targetSpace.setShaderInput("giLightMVP", self.ptaLightMVP)
self.targetSpace.setShaderInput("giVoxelGridStart", self.ptaVoxelGridStart)
self.targetSpace.setShaderInput("giVoxelGridEnd", self.ptaVoxelGridEnd)
self.targetSpace.setShaderInput("giLightDirection", self.ptaLightDirection)
def __init__(self, pos=Vec2(0), rightAligned=False, color=Vec3(0, 0, 0),
size=0.04, parent=None):
if parent is None:
parent = Globals.base.aspect2d
self.parent = parent
self._loadCharset()
self._prepareFontTextures()
self._makeFontShader()
self._makeSquare()
self.data = PTAFloat.empty_array(100)
self.lastText = ""
self.size = 16.0 / base.win.getYSize() * 2.0
self.square.setShaderInput("displData", self.data)
self.rightAligned = rightAligned
self.pos = pos
self.posOffset = Vec2(0)
self.color = PTALVecBase3f.emptyArray(1)
self.color[0] = color
self.posPTA = PTALVecBase2f.emptyArray(1)
self.square.setShaderInput("pos", self.posPTA)
self._updateInputs()
def __init__(self,
pos=Vec2(0),
rightAligned=False,
color=Vec3(0, 0, 0),
size=0.04):
self._loadCharset()
self._prepareFontTextures()
self._makeFontShader()
self._makeSquare()
self.data = PTAFloat.empty_array(100)
self.lastText = ""
self.size = size
self.square.setShaderInput("displData", self.data)
self.rightAligned = rightAligned
self.pos = pos
self.posOffset = Vec2(0)
self.color = color
self.posPTA = PTALVecBase2f.emptyArray(1)
self.square.setShaderInput("pos", self.posPTA)
self._updateInputs()
def __init__(self, num_splits):
self._split_count = num_splits
self._mvps = PTALMatrix4f.empty_array(num_splits)
self._nearfar = PTALVecBase2f.empty_array(num_splits)
for i in range(num_splits):
self._nearfar[i] = Vec2(20, 1000)
mat = Mat4()
mat.fill(0)
self._mvps[i] = mat
self._lens = OrthographicLens()
self._lens.set_near_far(20, 1000)
self._lens.set_film_size(100, 100)
self._camera = Camera("PSSMDummy", self._lens)
self._cam_node = NodePath(self._camera)
self._parent = None
def __init__(self, num_splits):
self._split_count = num_splits
self._mvps = PTALMatrix4f.empty_array(num_splits)
self._nearfar = PTALVecBase2f.empty_array(num_splits)
for i in range(num_splits):
self._nearfar[i] = Vec2(20, 1000)
mat = Mat4()
mat.fill(0)
self._mvps[i] = mat
self._lens = OrthographicLens()
self._lens.set_near_far(20, 1000)
self._lens.set_film_size(100, 100)
self._camera = Camera("PSSMDummy", self._lens)
self._cam_node = NodePath(self._camera)
self._parent = None
self._resolution = 1024
self._snap_grid = True
self._sun_distance = 500.0
def __init__(self, pos=Vec2(0), rightAligned=False, color=Vec3(0, 0, 0),
size=0.04):
self._loadCharset()
self._prepareFontTextures()
self._makeFontShader()
self._makeSquare()
self.data = PTAFloat.empty_array(100)
self.lastText = ""
self.size = size
self.square.setShaderInput("displData", self.data)
self.rightAligned = rightAligned
self.pos = pos
self.posOffset = Vec2(0)
self.color = color
self.posPTA = PTALVecBase2f.emptyArray(1)
self.square.setShaderInput("pos", self.posPTA)
self._updateInputs()
def enable(self):
if not self.isSupported():
# HDR/auto exposure is implemented using compute
# shaders, which are only supported by more modern
# graphics cards and requires at least OpenGL 4.3.
return
self.sceneTex = Texture('hdrSceneTex')
self.sceneTex.setup2dTexture(self.Size, self.Size, Texture.TFloat, Texture.FRgba32)
self.sceneTex.setWrapU(SamplerState.WMClamp)
self.sceneTex.setWrapV(SamplerState.WMClamp)
self.sceneTex.clearImage()
self.__setupSceneQuad()
# Build luminance histogram bucket ranges.
self.ptaBucketRange = PTALVecBase2f.emptyArray(self.NumBuckets)
for i in xrange(self.NumBuckets):
# Use even distribution
bmin = float(i) / float(self.NumBuckets)
bmax = float(i + 1) / float(self.NumBuckets)
# Use a distribution with slightly more bins in the low range.
if bmin > 0.0:
bmin = math.pow(bmin, 1.5)
if bmax > 0.0:
bmax = math.pow(bmax, 1.5)
self.ptaBucketRange.setElement(i, Vec2(bmin, bmax))
self.histogramTex = Texture('histogram')
self.histogramTex.setup1dTexture(self.NumBuckets, Texture.TInt, Texture.FR32i)
self.histogramTex.setClearColor(Vec4(0))
self.histogramTex.clearImage()
self.histogramCompute = base.computeRoot.attachNewNode(ComputeNode('histogramCompute'))
self.histogramCompute.node().addDispatch(self.Size / 8, self.Size / 8, self.Size / 16)
self.histogramCompute.setShader(Shader.loadCompute(Shader.SLGLSL, "phase_14/models/shaders/build_histogram.compute.glsl"), 1)
self.histogramCompute.setShaderInput("scene_texture", self.sceneTex)
self.histogramCompute.setShaderInput("histogram_texture", self.histogramTex)
self.histogramCompute.setShaderInput("bucketrange", self.ptaBucketRange)
self.histogramCompute.setBin("fixed", 0)
self.exposureTex = Texture('exposure')
self.exposureTex.setup1dTexture(1, Texture.TFloat, Texture.FR16)
self.exposureTex.setClearColor(Vec4(0.0))
self.exposureTex.clearImage()
self.exposureCompute = base.computeRoot.attachNewNode(ComputeNode('exposureCompute'))
self.exposureCompute.node().addDispatch(1, 1, 1)
self.exposureCompute.setShader(Shader.loadCompute(Shader.SLGLSL, "phase_14/models/shaders/calc_luminance.compute.glsl"), 1)
self.exposureCompute.setShaderInput("histogram_texture", self.histogramTex)
self.exposureCompute.setShaderInput("avg_lum_texture", self.exposureTex)
self.exposureCompute.setShaderInput("bucketrange", self.ptaBucketRange)
self.exposureCompute.setShaderInput("exposure_minmax", Vec2(1.0, 2.0))
self.exposureCompute.setShaderInput("adaption_rate_brightdark", Vec2(0.6, 0.6))
self.exposureCompute.setShaderInput("exposure_scale", base.config.GetFloat("hdr-tonemapscale", 1.75))
self.exposureCompute.setShaderInput("config_minAvgLum", base.config.GetFloat("hdr-min-avglum", 3.0))
self.exposureCompute.setShaderInput("config_perctBrightPixels", base.config.GetFloat("hdr-percent-bright-pixels", 2.0))
self.exposureCompute.setShaderInput("config_perctTarget", base.config.GetFloat("hdr-percent-target", 60.0))
self.exposureCompute.setBin("fixed", 1)
base.filters.setExposure(self.exposureTex)
taskMgr.add(self.__update, "hdrUpdate", sort = -10000000)
if base.config.GetBool("hdr-debug-histogram", False):
self.debugTex = Texture('histogramDebugTex')
self.debugTex.setup2dTexture(self.NumBuckets, 1, Texture.TFloat, Texture.FRgba32)
self.debugTex.setMagfilter(SamplerState.FTNearest)
self.debugTex.setClearColor(Vec4(0.3, 0.3, 0.5, 1.0))
self.debugTex.clearImage()
self.debugCompute = base.computeRoot.attachNewNode(ComputeNode('debugHistogramCompute'))
self.debugCompute.node().addDispatch(1, 1, 1)
self.debugCompute.setShader(Shader.loadCompute(Shader.SLGLSL, "phase_14/models/shaders/debug_histogram.compute.glsl"), 1)
self.debugCompute.setShaderInput("histogram_texture", self.histogramTex)
self.debugCompute.setShaderInput("debug_texture", self.debugTex)
self.debugCompute.setBin("fixed", 2)
self.debugImg = OnscreenImage(image = self.debugTex, scale = 0.3, pos = (-0.6, -0.7, -0.7))
