// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef SRC_DAWN_NATIVE_D3D_D3DCOMPILATIONREQUEST_H_
#define SRC_DAWN_NATIVE_D3D_D3DCOMPILATIONREQUEST_H_

#include <d3dcompiler.h>

#include <string_view>
#include <unordered_map>

#include "dawn/native/Adapter.h"
#include "dawn/native/CacheRequest.h"
#include "dawn/native/Serializable.h"
#include "dawn/native/d3d/d3d_platform.h"

#include "tint/tint.h"

namespace dawn::native::stream {

// Define no-op serializations for pD3DCompile, IDxcLibrary, and IDxcCompiler3.
// These are output-only interfaces used to generate bytecode.
template <>
inline void Stream<IDxcLibrary*>::Write(Sink*, IDxcLibrary* const&) {}
template <>
inline void Stream<IDxcCompiler3*>::Write(Sink*, IDxcCompiler3* const&) {}
template <>
inline void Stream<pD3DCompile>::Write(Sink*, pD3DCompile const&) {}

}  // namespace dawn::native::stream

namespace dawn::native::d3d {

enum class Compiler { FXC, DXC };

using InterStageShaderVariablesMask = std::bitset<tint::hlsl::writer::kMaxInterStageLocations>;
using SubstituteOverrideConfig = std::unordered_map<tint::OverrideId, double>;

#define HLSL_COMPILATION_REQUEST_MEMBERS(X)                                          \
    X(ShaderModuleBase::ShaderModuleHash, shaderModuleHash)                          \
    X(UnsafeUnserializedValue<ShaderModuleBase::ScopedUseTintProgram>, inputProgram) \
    X(std::string_view, entryPointName)                                              \
    X(SingleShaderStage, stage)                                                      \
    X(uint32_t, shaderModel)                                                         \
    X(uint32_t, compileFlags)                                                        \
    X(Compiler, compiler)                                                            \
    X(uint64_t, compilerVersion)                                                     \
    X(std::wstring_view, dxcShaderProfile)                                           \
    X(std::string_view, fxcShaderProfile)                                            \
    X(uint32_t, firstIndexOffsetShaderRegister)                                      \
    X(uint32_t, firstIndexOffsetRegisterSpace)                                       \
    X(tint::hlsl::writer::Options, tintOptions)                                      \
    X(SubstituteOverrideConfig, substituteOverrideConfig)                            \
    X(LimitsForCompilationRequest, limits)                                           \
    X(UnsafeUnserializedValue<LimitsForCompilationRequest>, adapterSupportedLimits)  \
    X(uint32_t, maxSubgroupSize)                                                     \
    X(bool, disableSymbolRenaming)                                                   \
    X(bool, dumpShaders)                                                             \
    X(bool, useTintIR)

#define D3D_BYTECODE_COMPILATION_REQUEST_MEMBERS(X)      \
    X(bool, hasShaderF16Feature)                         \
    X(uint32_t, compileFlags)                            \
    X(Compiler, compiler)                                \
    X(uint64_t, compilerVersion)                         \
    X(std::wstring_view, dxcShaderProfile)               \
    X(std::string_view, fxcShaderProfile)                \
    X(UnsafeUnserializedValue<pD3DCompile>, d3dCompile)  \
    X(UnsafeUnserializedValue<IDxcLibrary*>, dxcLibrary) \
    X(UnsafeUnserializedValue<IDxcCompiler3*>, dxcCompiler)

DAWN_SERIALIZABLE(struct, HlslCompilationRequest, HLSL_COMPILATION_REQUEST_MEMBERS){};
#undef HLSL_COMPILATION_REQUEST_MEMBERS

DAWN_SERIALIZABLE(struct,
                  D3DBytecodeCompilationRequest,
                  D3D_BYTECODE_COMPILATION_REQUEST_MEMBERS){};
#undef D3D_BYTECODE_COMPILATION_REQUEST_MEMBERS

#define D3D_COMPILATION_REQUEST_MEMBERS(X)     \
    X(HlslCompilationRequest, hlsl)            \
    X(D3DBytecodeCompilationRequest, bytecode) \
    X(UnsafeUnserializedValue<dawn::platform::Platform*>, tracePlatform)

DAWN_MAKE_CACHE_REQUEST(D3DCompilationRequest, D3D_COMPILATION_REQUEST_MEMBERS);
#undef D3D_COMPILATION_REQUEST_MEMBERS

}  // namespace dawn::native::d3d

#endif  // SRC_DAWN_NATIVE_D3D_D3DCOMPILATIONREQUEST_H_