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class BatchCommandBuilder

package h3d.scene

extends Shader

import h3d.scene.Batcher

@:directlyUsed@:src({ @param var groupsInfos:StorageBuffer<Int>; @param var batchInstancesInfos:StorageBuffer<Int>; @param var passInstancesInfos:StorageBuffer<Int>; @param var subPartInfos:StorageBuffer<Int>; @param var countBuffer:RWBuffer<Int>; @param var commandBuffer:RWBuffer<Int>; @param var instanceCount:Int; @param var cullingMask:Int; var passInfosStride:Int = 2; var batchInfosStride:Int = 2; var subPartInfosStride:Int = 2; function emitInstance(instanceID:Int, indexCount:Int, instanceCount:Int, startIndex:Int, startVertex:Int, baseInstance:Int) { var instancePos = instanceID * 5; commandBuffer[instancePos + 0] = indexCount; commandBuffer[instancePos + 1] = instanceCount; commandBuffer[instancePos + 2] = startIndex; commandBuffer[instancePos + 3] = startVertex; commandBuffer[instancePos + 4] = baseInstance; }; function main() { setLayout(64, 1, 1); var passInstanceID = computeVar.workGroup.x * 64 + computeVar.localInvocationIndex; if (passInstanceID >= instanceCount) return; var passInstancePos = passInstanceID * passInfosStride; var groupInstanceID:Int = passInstancesInfos[passInstancePos + 0]; var flags:Int = passInstancesInfos[passInstancePos + 1]; var groupID:Int = flags >> 16; var batchInstanceStart = groupsInfos[groupID]; var batchInstanceID = batchInstanceStart + groupInstanceID; var batchInstancePos = batchInstanceID * batchInfosStride; var batchFlags:Int = batchInstancesInfos[batchInstancePos + 1]; var batchCullingMask:Int = batchFlags & 0xFF; if ((batchCullingMask & cullingMask) != 0) return; var lodSelected:Int = batchFlags >> 8; var subPartID:Int = flags & 0xFFFF; var subPartPos = (subPartID + lodSelected) * subPartInfosStride; var indexCount:Int = subPartInfos[subPartPos + 0]; var indexStart:Int = subPartInfos[subPartPos + 1]; var id = atomicAdd(countBuffer, 0, 1); emitInstance(id, indexCount, 1, indexStart, 0, passInstanceID); }; })@:build(hxsl.Macros.buildShader())@:autoBuild(hxsl.Macros.buildShader())

Constructor

new()

Variables

batchInstancesInfos:Buffer

commandBuffer:Buffer

countBuffer:Buffer

cullingMask:Int

groupsInfos:Buffer

instanceCount:Int

passInstancesInfos:Buffer

subPartInfos:Buffer

Methods

Inherited Variables

Defined by Shader

@:value(0)read onlypriority:Int = 0

Inherited Methods

Defined by Shader

setPriority(v:Int):Void

Shader priority should only be changed before the shader is added to a material.

toString():String