bluenoise-raytracer/ray_tracing_indirect_scissor/shaders/lantern.rchit
2021-06-11 12:25:06 +02:00

42 lines
1.5 KiB
GLSL

/*
* Copyright (c) 2019-2021, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-FileCopyrightText: Copyright (c) 2019-2021 NVIDIA CORPORATION
* SPDX-License-Identifier: Apache-2.0
*/
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_nonuniform_qualifier : enable
#extension GL_EXT_scalar_block_layout : enable
#extension GL_GOOGLE_include_directive : enable
#include "raycommon.glsl"
// Closest hit shader invoked when a primary ray hits a lantern.
// clang-format off
layout(location = 0) rayPayloadInEXT hitPayload prd;
layout(binding = 2, set = 0) buffer LanternArray { LanternIndirectEntry lanterns[]; } lanterns;
// clang-format on
void main()
{
// Just look up this lantern's color. Self-illuminating, so no lighting calculations.
LanternIndirectEntry lantern = lanterns.lanterns[nonuniformEXT(gl_InstanceCustomIndexEXT)];
prd.hitValue = vec3(lantern.red, lantern.green, lantern.blue);
prd.additiveBlending = false;
}