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// Copyright 2021 The Dawn & Tint Authors
//
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// 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.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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#ifndef SRC_TINT_LANG_HLSL_VALIDATE_VALIDATE_H_
#define SRC_TINT_LANG_HLSL_VALIDATE_VALIDATE_H_
#include <string>
#include <utility>
#include <vector>
#include "src/tint/lang/wgsl/ast/pipeline_stage.h"
// Forward declarations
namespace tint {
class Program;
} // namespace tint
namespace tint::hlsl::validate {
using EntryPointList = std::vector<std::pair<std::string, ast::PipelineStage>>;
/// Name of the FXC compiler DLL
static constexpr const char kFxcDLLName[] = "d3dcompiler_47.dll";
#if TINT_BUILD_IS_WIN
static constexpr const char* kDxcDLLName = "dxcompiler.dll";
#elif TINT_BUILD_IS_LINUX
static constexpr const char* kDxcDLLName = "libdxcompiler.so";
#elif TINT_BUILD_IS_MAC
static constexpr const char* kDxcDLLName = "libdxcompiler.dylib";
#else
static constexpr const char* kDxcDLLName = "Invalid";
#endif
/// The return structure of Validate()
struct Result {
/// True if validation passed
bool failed = false;
/// Output of DXC.
std::string output;
};
/// Hlsl attempts to compile the shader with DXC, verifying that the shader
/// compiles successfully.
/// @param dxc_path path to DXC
/// @param source the generated HLSL source
/// @param entry_points the list of entry points to validate
/// @param require_16bit_types set to `true` to require the support of float16 in DXC
/// @param hlsl_shader_model the shader model of the HLSL source
/// @return the result of the compile
Result ValidateUsingDXC(const std::string& dxc_path,
const std::string& source,
const EntryPointList& entry_points,
bool require_16bit_types,
uint32_t hlsl_shader_model);
#ifdef _WIN32
/// Hlsl attempts to compile the shader with FXC, verifying that the shader
/// compiles successfully.
/// @param fxc_path path to the FXC DLL
/// @param source the generated HLSL source
/// @param entry_points the list of entry points to validate
/// @return the result of the compile
Result ValidateUsingFXC(const std::string& fxc_path,
const std::string& source,
const EntryPointList& entry_points);
#endif // _WIN32
} // namespace tint::hlsl::validate
#endif // SRC_TINT_LANG_HLSL_VALIDATE_VALIDATE_H_