// Copyright (c) 2024-2026 The Khronos Group Inc.
// Copyright (c) 2024-2026 Valve Corporation
// Copyright (c) 2024-2026 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.

#extension GL_EXT_buffer_reference : require
#extension GL_EXT_buffer_reference2 : require
#extension GL_EXT_buffer_reference_uvec2 : require
#extension GL_EXT_scalar_block_layout : require
#extension GL_ARB_gpu_shader_int64 : require

#include "gpuav_error_header.h"
#include "gpuav_shaders_constants.h"

layout(set = kInstDefaultDescriptorSet, binding = kBindingInstErrorBuffer, scalar) buffer OutputBuffer {
    uint flags;
    uint written_count;
    // Use SpecConstantInstErrorBufferLengthId instead of data.length()
    // This allows us to use VK_DESCRIPTOR_MAPPING_SOURCE_INDIRECT_ADDRESS_EXT for heaps
    uint data[];
}
inst_errors_buffer;

layout(set = kInstDefaultDescriptorSet, binding = kBindingInstActionIndex, scalar) buffer ActionIndexBuffer { uint data; }
inst_action_index_buffer;

layout(set = kInstDefaultDescriptorSet, binding = kBindingInstCmdResourceIndex, scalar) buffer ErrorLoggerIndexBuffer { uint data; }
inst_error_logger_index_buffer;

layout(set = kInstDefaultDescriptorSet, binding = kBindingInstCmdErrorsCount, scalar) buffer CmdErrorsCountBuffer {
    uint errors_count[];
}
inst_cmd_errors_count_buffer;

// Without a Spec Constant, GLSL (or any language) will be smart and constant fold for us
// When linking we can apply the constant fold for it
// (The constant_id doesn't matter, it easier to just hot swap the known default constant value)
layout(constant_id = 0) const uint SpecConstantLinkShaderId = kLinkShaderId;
layout(constant_id = 1) const uint SpecConstantInstErrorBufferLengthId = kInstErrorBufferLengthId;
layout(constant_id = 2) const uint SpecConstantDescriptorHashingCapacity = kDescriptorHashingCapacity;