layers/gpuav/shaders/validation_cmd/trace_rays.comp

// Copyright (c) 2022-2026 The Khronos Group Inc.
// Copyright (c) 2022-2026 Valve Corporation
// Copyright (c) 2022-2026 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.

#version 460

#extension GL_GOOGLE_include_directive : enable

#include "common.h"
#include "push_data.h"

layout(push_constant, scalar) uniform PushConstants {
    TraceRaysPushData pc;
};

void main() {
    if (pc.indirect_data.trace_rays_dimensions.width > pc.trace_rays_width_limit) {
        GpuavLogError2(kErrorGroup_GpuPreTraceRays, kErrorSubCode_PreTraceRays_LimitWidth, pc.indirect_data.trace_rays_dimensions.width, 0);
    }
    if (pc.indirect_data.trace_rays_dimensions.height > pc.trace_rays_height_limit) {
        GpuavLogError2(kErrorGroup_GpuPreTraceRays, kErrorSubCode_PreTraceRays_LimitHeight, pc.indirect_data.trace_rays_dimensions.height, 0);
    }
    if (pc.indirect_data.trace_rays_dimensions.depth > pc.trace_rays_depth_limit) {
        GpuavLogError2(kErrorGroup_GpuPreTraceRays, kErrorSubCode_PreTraceRays_LimitDepth, pc.indirect_data.trace_rays_dimensions.depth, 0);
    }

    const uint64_t trace_rays_volume =
        pc.indirect_data.trace_rays_dimensions.width *
        pc.indirect_data.trace_rays_dimensions.height *
        pc.indirect_data.trace_rays_dimensions.depth;

    if (trace_rays_volume > pc.max_ray_dispatch_invocation_count) {
        GpuavLogError4(
            kErrorGroup_GpuPreTraceRays,
            kErrorSubCode_PreTraceRays_LimitVolume,
            pc.indirect_data.trace_rays_dimensions.width,
            pc.indirect_data.trace_rays_dimensions.height,
            pc.indirect_data.trace_rays_dimensions.depth,
            0);
    }
}