def initVoxelStorage(self):
""" Creates t he 3D Texture to store the voxel generation grid """
self.voxelGenTex = Texture("VoxelsTemp")
self.voxelGenTex.setup3dTexture(self.voxelGridResolution.x, self.voxelGridResolution.y,
self.voxelGridResolution.z, Texture.TInt, Texture.FR32i)
# Set appropriate filter types
self.voxelGenTex.setMinfilter(SamplerState.FTNearest)
self.voxelGenTex.setMagfilter(Texture.FTNearest)
self.voxelGenTex.setWrapU(Texture.WMClamp)
self.voxelGenTex.setWrapV(Texture.WMClamp)
self.voxelGenTex.setWrapW(Texture.WMClamp)
self.voxelGenTex.setClearColor(Vec4(0))
# Register texture
MemoryMonitor.addTexture("Voxel Temp Texture", self.voxelGenTex)
def makePerTileStorage(self):
""" Creates the buffer which stores which lights affect which tiles.
The first 16 entries are counters which store how many lights of that
type were rendered, and the following entries store the light indices """
self.tileStride = 0
self.tileStride += 16 # Counters for the light types
self.tileStride += LightLimits.maxPerTileLights["PointLight"]
self.tileStride += LightLimits.maxPerTileLights["PointLightShadow"]
self.tileStride += LightLimits.maxPerTileLights["DirectionalLight"]
self.tileStride += LightLimits.maxPerTileLights["DirectionalLightShadow"]
self.tileStride += LightLimits.maxPerTileLights["SpotLight"]
self.tileStride += LightLimits.maxPerTileLights["SpotLightShadow"]
tileBufferSize = self.size.x * self.size.y * self.tileStride
self.lightPerTileBuffer = Texture("LightsPerTileBuffer")
self.lightPerTileBuffer.setupBufferTexture(
tileBufferSize, Texture.TInt, Texture.FR32i, GeomEnums.UHDynamic)
MemoryMonitor.addTexture("Light Per Tile Buffer", self.lightPerTileBuffer)
