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/* 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.
*/
#pragma once
#include <stdint.h>
#include <vector>
namespace gpuav {
namespace spirv {
enum LinkFlags {
// GLSL can't use the optional Initializer operand for OpVariables
// This will make all private variables set to zero
// Currently only does Uint32, but could expand to be all types if we find more usecases
ZeroInitializeUintPrivateVariables = 0x00000001,
// Swap the private ErrorPayload struct variable with error_payload_variable_id
UseErrorPayloadVariable = 0x00000002,
};
// SPIR-V module to link in
struct OfflineModule {
const uint32_t* words;
const uint32_t word_count;
// Optional things to be done when linking
const uint32_t flags = 0; // LinkFlags
};
struct OfflineFunction {
// used for debugging
const char* opname;
// Number of bytes into module the OpFunction starts
const uint32_t offset;
};
struct LinkFunction {
// Information about the function known offline
const OfflineFunction& offline;
// The result ID of OpFunction, different each pass
const uint32_t id;
};
struct LinkInfo {
// This struct is for things that are generated and therefor can be created once statically
// If it's not in generated offline, it will change each pass
const OfflineModule& module;
std::vector<LinkFunction> functions;
// This is created once per pass and handed to the module to be linked afterwards
explicit LinkInfo(const OfflineModule& module) : module(module) {}
};
} // namespace spirv
} // namespace gpuav
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