mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-20 23:33:22 +02:00
Merge pull request #4698 from lioncash/optional-null
General: Make use of std::nullopt where applicable
This commit is contained in:
commit
2b863c9aa3
@ -34,7 +34,7 @@ std::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigne
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CoprocReg CRm, unsigned opc2) {
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LOG_CRITICAL(Core_ARM, "CP15: cdp{} p15, {}, {}, {}, {}, {}", two ? "2" : "", opc1, CRd, CRn,
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CRm, opc2);
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return {};
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return std::nullopt;
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}
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CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
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@ -115,7 +115,7 @@ std::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_trans
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LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
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long_transfer ? "l" : "", CRd);
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}
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return {};
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return std::nullopt;
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}
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std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
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@ -127,7 +127,7 @@ std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_tran
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LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
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long_transfer ? "l" : "", CRd);
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}
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return {};
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return std::nullopt;
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}
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} // namespace Core
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@ -323,7 +323,7 @@ bool NCA::ReadRomFSSection(const NCASectionHeader& section, const NCASectionTabl
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subsection_buckets.back().entries.push_back({section.bktr.relocation.offset, {0}, ctr_low});
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subsection_buckets.back().entries.push_back({size, {0}, 0});
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std::optional<Core::Crypto::Key128> key = {};
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std::optional<Core::Crypto::Key128> key;
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if (encrypted) {
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if (has_rights_id) {
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status = Loader::ResultStatus::Success;
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@ -442,18 +442,18 @@ std::optional<Core::Crypto::Key128> NCA::GetTitlekey() {
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memcpy(rights_id.data(), header.rights_id.data(), 16);
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if (rights_id == u128{}) {
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status = Loader::ResultStatus::ErrorInvalidRightsID;
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return {};
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return std::nullopt;
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}
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auto titlekey = keys.GetKey(Core::Crypto::S128KeyType::Titlekey, rights_id[1], rights_id[0]);
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if (titlekey == Core::Crypto::Key128{}) {
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status = Loader::ResultStatus::ErrorMissingTitlekey;
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return {};
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return std::nullopt;
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}
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if (!keys.HasKey(Core::Crypto::S128KeyType::Titlekek, master_key_id)) {
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status = Loader::ResultStatus::ErrorMissingTitlekek;
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return {};
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return std::nullopt;
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}
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Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(
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@ -477,7 +477,7 @@ VirtualFile NCA::Decrypt(const NCASectionHeader& s_header, VirtualFile in, u64 s
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case NCASectionCryptoType::BKTR:
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LOG_TRACE(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
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{
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std::optional<Core::Crypto::Key128> key = {};
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std::optional<Core::Crypto::Key128> key;
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if (has_rights_id) {
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status = Loader::ResultStatus::Success;
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key = GetTitlekey();
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@ -169,11 +169,12 @@ VfsDirectory::~VfsDirectory() = default;
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std::optional<u8> VfsFile::ReadByte(std::size_t offset) const {
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u8 out{};
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std::size_t size = Read(&out, 1, offset);
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if (size == 1)
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const std::size_t size = Read(&out, sizeof(u8), offset);
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if (size == 1) {
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return out;
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}
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return {};
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return std::nullopt;
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}
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std::vector<u8> VfsFile::ReadBytes(std::size_t size, std::size_t offset) const {
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@ -58,10 +58,11 @@ std::size_t OffsetVfsFile::Write(const u8* data, std::size_t length, std::size_t
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}
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std::optional<u8> OffsetVfsFile::ReadByte(std::size_t r_offset) const {
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if (r_offset < size)
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return file->ReadByte(offset + r_offset);
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if (r_offset >= size) {
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return std::nullopt;
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}
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return {};
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return file->ReadByte(offset + r_offset);
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}
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std::vector<u8> OffsetVfsFile::ReadBytes(std::size_t r_size, std::size_t r_offset) const {
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@ -54,9 +54,11 @@ public:
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}
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std::optional<u8> ReadByte(std::size_t offset) const override {
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if (offset < size)
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return value;
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return {};
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if (offset >= size) {
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return std::nullopt;
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}
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return value;
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}
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std::vector<u8> ReadBytes(std::size_t length, std::size_t offset) const override {
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@ -265,7 +265,7 @@ std::optional<nvhost_as_gpu::BufferMap> nvhost_as_gpu::FindBufferMap(GPUVAddr gp
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}
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}
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return {};
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return std::nullopt;
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}
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void nvhost_as_gpu::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr,
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@ -286,7 +286,7 @@ std::optional<std::size_t> nvhost_as_gpu::RemoveBufferMap(GPUVAddr gpu_addr) {
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return size;
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}
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return {};
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return std::nullopt;
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}
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} // namespace Service::Nvidia::Devices
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@ -54,7 +54,7 @@ struct EventInterface {
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}
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mask = mask >> 1;
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}
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return {};
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return std::nullopt;
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}
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void SetEventStatus(const u32 event_id, EventState new_status) {
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EventState old_status = status[event_id];
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@ -114,7 +114,7 @@ std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
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[&](const VI::Display& display) { return display.GetName() == name; });
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if (itr == displays.end()) {
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return {};
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return std::nullopt;
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}
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return itr->GetID();
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@ -124,7 +124,7 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
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auto* const display = FindDisplay(display_id);
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if (display == nullptr) {
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return {};
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return std::nullopt;
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}
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const u64 layer_id = next_layer_id++;
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@ -144,7 +144,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
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const auto* const layer = FindLayer(display_id, layer_id);
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if (layer == nullptr) {
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return {};
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return std::nullopt;
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}
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return layer->GetBufferQueue().GetId();
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@ -497,7 +497,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u
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return {0, Errno::SUCCESS};
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}
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std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
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const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
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if (!descriptor) {
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LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
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pollfd.revents = POLL_NVAL;
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@ -76,16 +76,16 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process, Core::S
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bool should_pass_arguments, bool load_into_process,
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std::optional<FileSys::PatchManager> pm) {
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if (file.GetSize() < sizeof(NSOHeader)) {
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return {};
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return std::nullopt;
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}
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NSOHeader nso_header{};
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if (sizeof(NSOHeader) != file.ReadObject(&nso_header)) {
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return {};
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return std::nullopt;
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}
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if (nso_header.magic != Common::MakeMagic('N', 'S', 'O', '0')) {
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return {};
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return std::nullopt;
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}
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// Build program image
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@ -597,7 +597,7 @@ std::optional<u64> Maxwell3D::GetQueryResult() {
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// Deferred.
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rasterizer->Query(regs.query.QueryAddress(), VideoCore::QueryType::SamplesPassed,
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system.GPU().GetTicks());
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return {};
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return std::nullopt;
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default:
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LOG_DEBUG(HW_GPU, "Unimplemented query select type {}",
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static_cast<u32>(regs.query.query_get.select.Value()));
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@ -36,7 +36,7 @@ void MacroEngine::Execute(Engines::Maxwell3D& maxwell3d, u32 method,
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}
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} else {
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// Macro not compiled, check if it's uploaded and if so, compile it
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std::optional<u32> mid_method = std::nullopt;
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std::optional<u32> mid_method;
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const auto macro_code = uploaded_macro_code.find(method);
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if (macro_code == uploaded_macro_code.end()) {
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for (const auto& [method_base, code] : uploaded_macro_code) {
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@ -58,7 +58,7 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
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std::optional<GPUVAddr> MemoryManager::AllocateFixed(GPUVAddr gpu_addr, std::size_t size) {
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for (u64 offset{}; offset < size; offset += page_size) {
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if (!GetPageEntry(gpu_addr + offset).IsUnmapped()) {
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return {};
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return std::nullopt;
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}
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}
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@ -135,13 +135,13 @@ std::optional<GPUVAddr> MemoryManager::FindFreeRange(std::size_t size, std::size
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}
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}
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return {};
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return std::nullopt;
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}
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std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const {
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const auto page_entry{GetPageEntry(gpu_addr)};
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if (!page_entry.IsValid()) {
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return {};
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return std::nullopt;
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}
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return page_entry.ToAddress() + (gpu_addr & page_mask);
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@ -813,7 +813,7 @@ private:
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const u8 location = static_cast<u8>(static_cast<u32>(index) * 4 + element);
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const auto it = transform_feedback.find(location);
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if (it == transform_feedback.end()) {
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return {};
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return std::nullopt;
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}
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return it->second.components;
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}
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@ -1295,21 +1295,21 @@ private:
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switch (element) {
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case 0:
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UNIMPLEMENTED();
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return {};
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return std::nullopt;
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case 1:
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if (stage == ShaderType::Vertex && !device.HasVertexViewportLayer()) {
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return {};
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return std::nullopt;
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}
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return {{"gl_Layer", Type::Int}};
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case 2:
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if (stage == ShaderType::Vertex && !device.HasVertexViewportLayer()) {
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return {};
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return std::nullopt;
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}
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return {{"gl_ViewportIndex", Type::Int}};
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case 3:
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return {{"gl_PointSize", Type::Float}};
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}
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return {};
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return std::nullopt;
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case Attribute::Index::FrontColor:
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return {{"gl_FrontColor"s + GetSwizzle(element), Type::Float}};
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case Attribute::Index::FrontSecondaryColor:
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@ -1332,7 +1332,7 @@ private:
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Type::Float}};
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}
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UNIMPLEMENTED_MSG("Unhandled output attribute: {}", static_cast<u32>(attribute));
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return {};
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return std::nullopt;
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}
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}
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@ -199,55 +199,48 @@ public:
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}
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std::optional<u32> GetGotoLabel() const {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTGoto>(&data)) {
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return {inner->label};
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}
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return {};
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return std::nullopt;
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}
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Expr GetGotoCondition() const {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTGoto>(&data)) {
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return inner->condition;
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}
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return nullptr;
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}
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void MarkLabelUnused() {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (auto* inner = std::get_if<ASTLabel>(&data)) {
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inner->unused = true;
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}
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}
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bool IsLabelUnused() const {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTLabel>(&data)) {
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return inner->unused;
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}
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return true;
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}
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std::optional<u32> GetLabelIndex() const {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTLabel>(&data)) {
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return {inner->index};
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}
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return {};
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return std::nullopt;
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}
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Expr GetIfCondition() const {
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auto inner = std::get_if<ASTIfThen>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTIfThen>(&data)) {
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return inner->condition;
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}
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return nullptr;
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}
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void SetGotoCondition(Expr new_condition) {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (auto* inner = std::get_if<ASTGoto>(&data)) {
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inner->condition = std::move(new_condition);
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}
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}
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@ -205,12 +205,12 @@ std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code,
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const auto result = TrackRegister(&std::get<GprNode>(*tracked), code, cursor - 1);
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const auto& found = result.first;
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if (!found) {
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return {};
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return std::nullopt;
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}
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if (const auto immediate = std::get_if<ImmediateNode>(&*found)) {
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return immediate->GetValue();
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}
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return {};
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return std::nullopt;
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}
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std::pair<Node, s64> ShaderIR::TrackRegister(const GprNode* tracked, const NodeBlock& code,
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@ -115,20 +115,24 @@ std::optional<std::pair<u32, u32>> SurfaceBaseImpl::GetLayerMipmap(
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if (gpu_addr == candidate_gpu_addr) {
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return {{0, 0}};
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}
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if (candidate_gpu_addr < gpu_addr) {
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return {};
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return std::nullopt;
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}
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const auto relative_address{static_cast<GPUVAddr>(candidate_gpu_addr - gpu_addr)};
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const auto layer{static_cast<u32>(relative_address / layer_size)};
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if (layer >= params.depth) {
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return {};
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return std::nullopt;
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}
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const GPUVAddr mipmap_address = relative_address - layer_size * layer;
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const auto mipmap_it =
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Common::BinaryFind(mipmap_offsets.begin(), mipmap_offsets.end(), mipmap_address);
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if (mipmap_it == mipmap_offsets.end()) {
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return {};
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return std::nullopt;
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}
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const auto level{static_cast<u32>(std::distance(mipmap_offsets.begin(), mipmap_it))};
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return std::make_pair(layer, level);
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}
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