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// Copyright (c) 2024-2025 The Khronos Group Inc.
// Copyright (c) 2024-2025 Valve Corporation
// Copyright (c) 2024-2025 LunarG, Inc.
//
// 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.
// NOTE: This file doesn't contain any entrypoints and should be compiled with the --no-link option for glslang
#version 450
#extension GL_GOOGLE_include_directive : enable
#include "common_descriptor_sets.h"
#include "error_payload.h"
bool inst_ray_query_comp(const uint inst_offset, const uint ray_flags, const vec3 ray_origin, const float ray_tmin, const vec3 ray_direction, const float ray_tmax)
{
uint error = 0u;
uint param_0 = 0u;
if (isnan(ray_tmin)) {
error = kErrorSubCodeRayQueryMinNaN;
} else if (isnan(ray_tmax)) {
error = kErrorSubCodeRayQueryMaxNaN;
} else if (isnan(ray_origin.x) || isnan(ray_origin.y) || isnan(ray_origin.z)) {
error = kErrorSubCodeRayQueryOriginNaN;
} else if (isnan(ray_direction.x) || isnan(ray_direction.y) || isnan(ray_direction.z)) {
error = kErrorSubCodeRayQueryDirectionNaN;
} else if (isinf(ray_origin.x) || isinf(ray_origin.y) || isinf(ray_origin.z)) {
error = kErrorSubCodeRayQueryOriginFinite;
} else if (isinf(ray_direction.x) || isinf(ray_direction.y) || isinf(ray_direction.z)) {
error = kErrorSubCodeRayQueryDirectionFinite;
} else if (ray_tmin < 0.0f) {
error = kErrorSubCodeRayQueryNegativeMin;
} else if (ray_tmax < 0.0f) {
error = kErrorSubCodeRayQueryNegativeMax;
} else if (ray_tmax < ray_tmin) {
error = kErrorSubCodeRayQueryMinMax;
} else {
// From SPIRV-Headers
const uint OpaqueKHR = 0x00000001;
const uint NoOpaqueKHR = 0x00000002;
const uint CullBackFacingTrianglesKHR = 0x00000010;
const uint CullFrontFacingTrianglesKHR = 0x00000020;
const uint CullOpaqueKHR = 0x00000040;
const uint CullNoOpaqueKHR = 0x00000080;
const uint SkipTrianglesKHR = 0x00000100;
const uint SkipAABBsKHR = 0x00000200;
const uint both_skip = SkipTrianglesKHR | SkipAABBsKHR;
uint skip_cull_mask = ray_flags &(SkipTrianglesKHR | CullBackFacingTrianglesKHR | CullFrontFacingTrianglesKHR);
uint opaque_mask = ray_flags &(OpaqueKHR | NoOpaqueKHR | CullOpaqueKHR | CullNoOpaqueKHR);
if ((ray_flags & both_skip) == both_skip) {
error = kErrorSubCodeRayQueryBothSkip;
param_0 = ray_flags;
} else if (skip_cull_mask != 0 && ((skip_cull_mask & (skip_cull_mask - 1)) != 0)) {
error = kErrorSubCodeRayQuerySkipCull;
param_0 = ray_flags;
} else if (opaque_mask != 0 && ((opaque_mask & (opaque_mask - 1)) != 0)) {
error = kErrorSubCodeRayQueryOpaque;
param_0 = ray_flags;
}
}
if (0u != error) {
error_payload = ErrorPayload(
inst_offset,
SpecConstantLinkShaderId | (kErrorGroupInstRayQuery << kErrorGroupShift) | (error << kErrorSubCodeShift),
param_0,
0,
0
);
return false;
}
return true;
}
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