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//===- llvm/MC/DXContainerPSVInfo.cpp - DXContainer PSVInfo -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/DXContainerPSVInfo.h"
#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::mcdxbc;
using namespace llvm::dxbc::PSV;
void PSVRuntimeInfo::write(raw_ostream &OS, uint32_t Version) const {
uint32_t InfoSize;
uint32_t BindingSize;
switch (Version) {
case 0:
InfoSize = sizeof(dxbc::PSV::v0::RuntimeInfo);
BindingSize = sizeof(dxbc::PSV::v0::ResourceBindInfo);
break;
case 1:
InfoSize = sizeof(dxbc::PSV::v1::RuntimeInfo);
BindingSize = sizeof(dxbc::PSV::v0::ResourceBindInfo);
break;
case 2:
default:
InfoSize = sizeof(dxbc::PSV::v2::RuntimeInfo);
BindingSize = sizeof(dxbc::PSV::v2::ResourceBindInfo);
}
uint32_t InfoSizeSwapped = InfoSize;
if (sys::IsBigEndianHost)
sys::swapByteOrder(InfoSizeSwapped);
// Write the size of the info.
OS.write(reinterpret_cast<const char *>(&InfoSizeSwapped), sizeof(uint32_t));
// Write the info itself.
OS.write(reinterpret_cast<const char *>(&BaseData), InfoSize);
uint32_t ResourceCount = static_cast<uint32_t>(Resources.size());
uint32_t BindingSizeSwapped = BindingSize;
if (sys::IsBigEndianHost) {
sys::swapByteOrder(ResourceCount);
sys::swapByteOrder(BindingSizeSwapped);
}
OS.write(reinterpret_cast<const char *>(&ResourceCount), sizeof(uint32_t));
OS.write(reinterpret_cast<const char *>(&BindingSizeSwapped), sizeof(uint32_t));
for (const auto &Res : Resources)
OS.write(reinterpret_cast<const char *>(&Res), BindingSize);
}
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