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|
//===- DXContainerTest.cpp - Tests for DXContainerFile --------------------===//
//
// 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/Object/DXContainer.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/Magic.h"
#include "llvm/ObjectYAML/DXContainerYAML.h"
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/Support/MemoryBufferRef.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::object;
template <std::size_t X> MemoryBufferRef getMemoryBuffer(uint8_t Data[X]) {
StringRef Obj(reinterpret_cast<char *>(&Data[0]), X);
return MemoryBufferRef(Obj, "");
}
TEST(DXCFile, IdentifyMagic) {
{
StringRef Buffer("DXBC");
EXPECT_EQ(identify_magic(Buffer), file_magic::dxcontainer_object);
}
{
StringRef Buffer("DXBCBlahBlahBlah");
EXPECT_EQ(identify_magic(Buffer), file_magic::dxcontainer_object);
}
}
TEST(DXCFile, ParseHeaderErrors) {
uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<4>(Buffer)),
FailedWithMessage("Reading structure out of file bounds"));
}
TEST(DXCFile, EmptyFile) {
EXPECT_THAT_EXPECTED(
DXContainer::create(MemoryBufferRef(StringRef("", 0), "")),
FailedWithMessage("Reading structure out of file bounds"));
}
TEST(DXCFile, ParseHeader) {
uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x70, 0x0D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
DXContainer C =
llvm::cantFail(DXContainer::create(getMemoryBuffer<32>(Buffer)));
EXPECT_TRUE(memcmp(C.getHeader().Magic, "DXBC", 4) == 0);
EXPECT_TRUE(memcmp(C.getHeader().FileHash.Digest,
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16) == 0);
EXPECT_EQ(C.getHeader().Version.Major, 1u);
EXPECT_EQ(C.getHeader().Version.Minor, 0u);
}
TEST(DXCFile, ParsePartMissingOffsets) {
uint8_t Buffer[] = {
0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x70, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<32>(Buffer)),
FailedWithMessage("Reading structure out of file bounds"));
}
TEST(DXCFile, ParsePartInvalidOffsets) {
// This test covers a case where the part offset is beyond the buffer size.
uint8_t Buffer[] = {
0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x70, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<36>(Buffer)),
FailedWithMessage("Part offset points beyond boundary of the file"));
}
TEST(DXCFile, ParsePartTooSmallBuffer) {
// This test covers a case where there is insufficent space to read a full
// part name, but the offset for the part is inside the buffer.
uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x26, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x24, 0x00, 0x00, 0x00, 0x46, 0x4B};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<38>(Buffer)),
FailedWithMessage("File not large enough to read part name"));
}
TEST(DXCFile, ParsePartNoSize) {
// This test covers a case where the part's header is readable, but the size
// the part extends beyond the boundaries of the file.
uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x28, 0x0D, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00,
0x46, 0x4B, 0x45, 0x30, 0x00, 0x00};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<42>(Buffer)),
FailedWithMessage("Reading part size out of file bounds"));
}
TEST(DXCFile, ParseOverlappingParts) {
// This test covers a case where a part's offset is inside the size range
// covered by the previous part.
uint8_t Buffer[] = {
0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x2C, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x30, 0x08, 0x00, 0x00, 0x00,
0x46, 0x4B, 0x45, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
EXPECT_THAT_EXPECTED(
DXContainer::create(getMemoryBuffer<60>(Buffer)),
FailedWithMessage(
"Part offset for part 1 begins before the previous part ends"));
}
TEST(DXCFile, ParseEmptyParts) {
uint8_t Buffer[] = {
0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x70, 0x0D, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00,
0x44, 0x00, 0x00, 0x00, 0x4C, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00,
0x5C, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00,
0x46, 0x4B, 0x45, 0x30, 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x31,
0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x32, 0x00, 0x00, 0x00, 0x00,
0x46, 0x4B, 0x45, 0x33, 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x34,
0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x35, 0x00, 0x00, 0x00, 0x00,
0x46, 0x4B, 0x45, 0x36, 0x00, 0x00, 0x00, 0x00,
};
DXContainer C =
llvm::cantFail(DXContainer::create(getMemoryBuffer<116>(Buffer)));
EXPECT_EQ(C.getHeader().PartCount, 7u);
// All the part sizes are 0, which makes a nice test of the range based for
int ElementsVisited = 0;
for (auto Part : C) {
EXPECT_EQ(Part.Part.Size, 0u);
EXPECT_EQ(Part.Data.size(), 0u);
++ElementsVisited;
}
EXPECT_EQ(ElementsVisited, 7);
{
// These are all intended to be fake part names so that the parser doesn't
// try to parse the part data.
auto It = C.begin();
EXPECT_TRUE(memcmp(It->Part.Name, "FKE0", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE1", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE2", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE3", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE4", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE5", 4) == 0);
++It;
EXPECT_TRUE(memcmp(It->Part.Name, "FKE6", 4) == 0);
++It; // Don't increment past the end
EXPECT_TRUE(memcmp(It->Part.Name, "FKE6", 4) == 0);
}
}
static Expected<DXContainer>
generateDXContainer(StringRef Yaml, SmallVectorImpl<char> &BinaryData) {
DXContainerYAML::Object Obj;
SMDiagnostic GenerateDiag;
yaml::Input YIn(
Yaml, /*Ctxt=*/nullptr,
[](const SMDiagnostic &Diag, void *DiagContext) {
*static_cast<SMDiagnostic *>(DiagContext) = Diag;
},
&GenerateDiag);
YIn >> Obj;
if (YIn.error())
return createStringError(YIn.error(), GenerateDiag.getMessage());
raw_svector_ostream OS(BinaryData);
std::string ErrorMsg;
if (!yaml::yaml2dxcontainer(
Obj, OS, [&ErrorMsg](const Twine &Msg) { ErrorMsg = Msg.str(); }))
return createStringError(YIn.error(), ErrorMsg);
MemoryBufferRef BinaryDataRef = MemoryBufferRef(OS.str(), "");
return DXContainer::create(BinaryDataRef);
}
TEST(DXCFile, PSVResourceIterators) {
const char *Yaml = R"(
--- !dxcontainer
Header:
Hash: [ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0 ]
Version:
Major: 1
Minor: 0
PartCount: 2
Parts:
- Name: PSV0
Size: 144
PSVInfo:
Version: 0
ShaderStage: 14
PayloadSizeInBytes: 4092
MinimumWaveLaneCount: 0
MaximumWaveLaneCount: 4294967295
Resources:
- Type: 1
Space: 1
LowerBound: 1
UpperBound: 1
- Type: 2
Space: 2
LowerBound: 2
UpperBound: 2
- Type: 3
Space: 3
LowerBound: 3
UpperBound: 3
- Name: DXIL
Size: 24
Program:
MajorVersion: 6
MinorVersion: 0
ShaderKind: 14
Size: 6
DXILMajorVersion: 0
DXILMinorVersion: 1
DXILSize: 0
...
)";
SmallVector<char, 256> BinaryData;
auto C = generateDXContainer(Yaml, BinaryData);
ASSERT_THAT_EXPECTED(C, Succeeded());
const auto &PSVInfo = C->getPSVInfo();
ASSERT_TRUE(PSVInfo.has_value());
EXPECT_EQ(PSVInfo->getResourceCount(), 3u);
auto It = PSVInfo->getResources().begin();
EXPECT_TRUE(It == PSVInfo->getResources().begin());
dxbc::PSV::v2::ResourceBindInfo Binding;
Binding = *It;
EXPECT_EQ(Binding.Type, 1u);
EXPECT_EQ(Binding.Flags, 0u);
++It;
Binding = *It;
EXPECT_EQ(Binding.Type, 2u);
EXPECT_EQ(Binding.Flags, 0u);
--It;
Binding = *It;
EXPECT_TRUE(It == PSVInfo->getResources().begin());
EXPECT_EQ(Binding.Type, 1u);
EXPECT_EQ(Binding.Flags, 0u);
--It;
Binding = *It;
EXPECT_EQ(Binding.Type, 1u);
EXPECT_EQ(Binding.Flags, 0u);
++It;
Binding = *It;
EXPECT_EQ(Binding.Type, 2u);
EXPECT_EQ(Binding.Flags, 0u);
++It;
Binding = *It;
EXPECT_EQ(Binding.Type, 3u);
EXPECT_EQ(Binding.Flags, 0u);
EXPECT_FALSE(It == PSVInfo->getResources().end());
++It;
Binding = *It;
EXPECT_TRUE(It == PSVInfo->getResources().end());
EXPECT_FALSE(It != PSVInfo->getResources().end());
EXPECT_EQ(Binding.Type, 0u);
EXPECT_EQ(Binding.Flags, 0u);
{
auto Old = It++;
Binding = *Old;
EXPECT_TRUE(Old == PSVInfo->getResources().end());
EXPECT_FALSE(Old != PSVInfo->getResources().end());
EXPECT_EQ(Binding.Type, 0u);
EXPECT_EQ(Binding.Flags, 0u);
}
Binding = *It;
EXPECT_TRUE(It == PSVInfo->getResources().end());
EXPECT_EQ(Binding.Type, 0u);
EXPECT_EQ(Binding.Flags, 0u);
{
auto Old = It--;
Binding = *Old;
EXPECT_TRUE(Old == PSVInfo->getResources().end());
EXPECT_EQ(Binding.Type, 0u);
EXPECT_EQ(Binding.Flags, 0u);
}
Binding = *It;
EXPECT_EQ(Binding.Type, 3u);
EXPECT_EQ(Binding.Flags, 0u);
}
|
