chromium/third_party/dawn/src/tint/lang/spirv/writer/raise/shader_io.cc

// Copyright 2023 The Dawn & Tint Authors
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#include "src/tint/lang/spirv/writer/raise/shader_io.h"

#include <memory>
#include <utility>

#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/transform/shader_io.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/core/type/array.h"

usingnamespacetint::core::fluent_types;     // NOLINT
usingnamespacetint::core::number_suffixes;  // NOLINT

namespace tint::spirv::writer::raise {

namespace {

/// State that persists across the whole module and can be shared between entry points.
struct PerModuleState {};

/// PIMPL state for the parts of the shader IO transform specific to SPIR-V.
/// For SPIR-V, we declare a global variable for each input and output. The wrapper entry point then
/// loads from and stores to these variables. We also modify the type of the SampleMask builtin to
/// be an array, as required by Vulkan.
struct StateImpl : core::ir::transform::ShaderIOBackendState {};
}  // namespace

Result<SuccessType> ShaderIO(core::ir::Module& ir, const ShaderIOConfig& config) {}

}  // namespace tint::spirv::writer::raise