64 lines
2.2 KiB
GLSL
64 lines
2.2 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 "random.glsl"
|
|
#include "raycommon.glsl"
|
|
#include "wavefront.glsl"
|
|
|
|
// clang-format off
|
|
#ifdef PAYLOAD_0
|
|
layout(location = 0) rayPayloadInEXT hitPayload prd;
|
|
#elif defined(PAYLOAD_1)
|
|
layout(location = 1) rayPayloadInEXT shadowPayload prd;
|
|
#endif
|
|
|
|
layout(binding = 2, set = 1, scalar) buffer ScnDesc { sceneDesc i[]; } scnDesc;
|
|
layout(binding = 4, set = 1) buffer MatIndexColorBuffer { int i[]; } matIndex[];
|
|
layout(binding = 5, set = 1, scalar) buffer Vertices { Vertex v[]; } vertices[];
|
|
layout(binding = 6, set = 1) buffer Indices { uint i[]; } indices[];
|
|
layout(binding = 1, set = 1, scalar) buffer MatColorBufferObject { WaveFrontMaterial m[]; } materials[];
|
|
// clang-format on
|
|
|
|
void main()
|
|
{
|
|
// Object of this instance
|
|
uint objId = scnDesc.i[gl_InstanceCustomIndexEXT].objId;
|
|
// Indices of the triangle
|
|
uint ind = indices[nonuniformEXT(objId)].i[3 * gl_PrimitiveID + 0];
|
|
// Vertex of the triangle
|
|
Vertex v0 = vertices[nonuniformEXT(objId)].v[ind.x];
|
|
|
|
// Material of the object
|
|
int matIdx = matIndex[nonuniformEXT(objId)].i[gl_PrimitiveID];
|
|
WaveFrontMaterial mat = materials[nonuniformEXT(objId)].m[matIdx];
|
|
|
|
if(mat.illum != 4)
|
|
return;
|
|
|
|
if(mat.dissolve == 0.0)
|
|
ignoreIntersectionEXT;
|
|
else if(rnd(prd.seed) > mat.dissolve)
|
|
ignoreIntersectionEXT;
|
|
}
|