anki-3d-engine/AnKi/Shaders/RtShadowsSetupSbtBuild.ankiprog

// Copyright (C) 2009-present, Panagiotis Christopoulos Charitos and contributors.
// All rights reserved.
// Code licensed under the BSD License.
// http://www.anki3d.org/LICENSE

#include <AnKi/Shaders/RtShadows.hlsl>

#pragma anki technique comp

StructuredBuffer<U32> g_visibleRenderableIndices : register(t0); // 1st element is the count
RWStructuredBuffer<DispatchIndirectArgs> g_args : register(u0);

#define NUMTHREADS 64

[numthreads(1, 1, 1)] void main()
{
	const U32 renderableCount = g_visibleRenderableIndices[0];

	DispatchIndirectArgs args;
	args.m_threadGroupCountX = (renderableCount + NUMTHREADS - 1) / NUMTHREADS;
	args.m_threadGroupCountY = 1;
	args.m_threadGroupCountZ = 1;

	g_args[0] = args;
}