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-rw-r--r--src/common/CMakeLists.txt3
-rw-r--r--src/common/bit_util.h16
-rw-r--r--src/common/detached_tasks.cpp8
-rw-r--r--src/common/logging/backend.cpp6
-rw-r--r--src/common/lz4_compression.cpp76
-rw-r--r--src/common/lz4_compression.h55
-rw-r--r--src/common/multi_level_queue.h2
-rw-r--r--src/common/thread.cpp37
-rw-r--r--src/common/thread.h14
-rw-r--r--src/common/threadsafe_queue.h4
10 files changed, 157 insertions, 64 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 850ce8006..5639021d3 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -91,6 +91,8 @@ add_library(common STATIC
logging/log.h
logging/text_formatter.cpp
logging/text_formatter.h
+ lz4_compression.cpp
+ lz4_compression.h
math_util.h
memory_hook.cpp
memory_hook.h
@@ -136,3 +138,4 @@ endif()
create_target_directory_groups(common)
target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
+target_link_libraries(common PRIVATE lz4_static)
diff --git a/src/common/bit_util.h b/src/common/bit_util.h
index a4f9ed4aa..d032df413 100644
--- a/src/common/bit_util.h
+++ b/src/common/bit_util.h
@@ -32,7 +32,7 @@ inline u32 CountLeadingZeroes32(u32 value) {
return 32;
}
-inline u64 CountLeadingZeroes64(u64 value) {
+inline u32 CountLeadingZeroes64(u64 value) {
unsigned long leading_zero = 0;
if (_BitScanReverse64(&leading_zero, value) != 0) {
@@ -47,15 +47,15 @@ inline u32 CountLeadingZeroes32(u32 value) {
return 32;
}
- return __builtin_clz(value);
+ return static_cast<u32>(__builtin_clz(value));
}
-inline u64 CountLeadingZeroes64(u64 value) {
+inline u32 CountLeadingZeroes64(u64 value) {
if (value == 0) {
return 64;
}
- return __builtin_clzll(value);
+ return static_cast<u32>(__builtin_clzll(value));
}
#endif
@@ -70,7 +70,7 @@ inline u32 CountTrailingZeroes32(u32 value) {
return 32;
}
-inline u64 CountTrailingZeroes64(u64 value) {
+inline u32 CountTrailingZeroes64(u64 value) {
unsigned long trailing_zero = 0;
if (_BitScanForward64(&trailing_zero, value) != 0) {
@@ -85,15 +85,15 @@ inline u32 CountTrailingZeroes32(u32 value) {
return 32;
}
- return __builtin_ctz(value);
+ return static_cast<u32>(__builtin_ctz(value));
}
-inline u64 CountTrailingZeroes64(u64 value) {
+inline u32 CountTrailingZeroes64(u64 value) {
if (value == 0) {
return 64;
}
- return __builtin_ctzll(value);
+ return static_cast<u32>(__builtin_ctzll(value));
}
#endif
diff --git a/src/common/detached_tasks.cpp b/src/common/detached_tasks.cpp
index a347d9e02..f268d6021 100644
--- a/src/common/detached_tasks.cpp
+++ b/src/common/detached_tasks.cpp
@@ -16,22 +16,22 @@ DetachedTasks::DetachedTasks() {
}
void DetachedTasks::WaitForAllTasks() {
- std::unique_lock<std::mutex> lock(mutex);
+ std::unique_lock lock{mutex};
cv.wait(lock, [this]() { return count == 0; });
}
DetachedTasks::~DetachedTasks() {
- std::unique_lock<std::mutex> lock(mutex);
+ std::unique_lock lock{mutex};
ASSERT(count == 0);
instance = nullptr;
}
void DetachedTasks::AddTask(std::function<void()> task) {
- std::unique_lock<std::mutex> lock(instance->mutex);
+ std::unique_lock lock{instance->mutex};
++instance->count;
std::thread([task{std::move(task)}]() {
task();
- std::unique_lock<std::mutex> lock(instance->mutex);
+ std::unique_lock lock{instance->mutex};
--instance->count;
std::notify_all_at_thread_exit(instance->cv, std::move(lock));
})
diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
index 4462ff3fb..a03179520 100644
--- a/src/common/logging/backend.cpp
+++ b/src/common/logging/backend.cpp
@@ -46,12 +46,12 @@ public:
}
void AddBackend(std::unique_ptr<Backend> backend) {
- std::lock_guard<std::mutex> lock(writing_mutex);
+ std::lock_guard lock{writing_mutex};
backends.push_back(std::move(backend));
}
void RemoveBackend(std::string_view backend_name) {
- std::lock_guard<std::mutex> lock(writing_mutex);
+ std::lock_guard lock{writing_mutex};
const auto it =
std::remove_if(backends.begin(), backends.end(),
[&backend_name](const auto& i) { return backend_name == i->GetName(); });
@@ -80,7 +80,7 @@ private:
backend_thread = std::thread([&] {
Entry entry;
auto write_logs = [&](Entry& e) {
- std::lock_guard<std::mutex> lock(writing_mutex);
+ std::lock_guard lock{writing_mutex};
for (const auto& backend : backends) {
backend->Write(e);
}
diff --git a/src/common/lz4_compression.cpp b/src/common/lz4_compression.cpp
new file mode 100644
index 000000000..ade6759bb
--- /dev/null
+++ b/src/common/lz4_compression.cpp
@@ -0,0 +1,76 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <lz4hc.h>
+
+#include "common/assert.h"
+#include "common/lz4_compression.h"
+
+namespace Common::Compression {
+
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) {
+ ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+ const auto source_size_int = static_cast<int>(source_size);
+ const int max_compressed_size = LZ4_compressBound(source_size_int);
+ std::vector<u8> compressed(max_compressed_size);
+
+ const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
+ reinterpret_cast<char*>(compressed.data()),
+ source_size_int, max_compressed_size);
+
+ if (compressed_size <= 0) {
+ // Compression failed
+ return {};
+ }
+
+ compressed.resize(compressed_size);
+
+ return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
+ s32 compression_level) {
+ ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+ compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
+
+ const auto source_size_int = static_cast<int>(source_size);
+ const int max_compressed_size = LZ4_compressBound(source_size_int);
+ std::vector<u8> compressed(max_compressed_size);
+
+ const int compressed_size = LZ4_compress_HC(
+ reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
+ source_size_int, max_compressed_size, compression_level);
+
+ if (compressed_size <= 0) {
+ // Compression failed
+ return {};
+ }
+
+ compressed.resize(compressed_size);
+
+ return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) {
+ return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX);
+}
+
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed,
+ std::size_t uncompressed_size) {
+ std::vector<u8> uncompressed(uncompressed_size);
+ const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
+ reinterpret_cast<char*>(uncompressed.data()),
+ static_cast<int>(compressed.size()),
+ static_cast<int>(uncompressed.size()));
+ if (static_cast<int>(uncompressed_size) != size_check) {
+ // Decompression failed
+ return {};
+ }
+ return uncompressed;
+}
+
+} // namespace Common::Compression
diff --git a/src/common/lz4_compression.h b/src/common/lz4_compression.h
new file mode 100644
index 000000000..fe2231a6c
--- /dev/null
+++ b/src/common/lz4_compression.h
@@ -0,0 +1,55 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace Common::Compression {
+
+/**
+ * Compresses a source memory region with LZ4 and returns the compressed data in a vector.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression
+ * levels result in a smaller compressed size, but require more CPU time for compression. The
+ * compression level has almost no impact on decompression speed. Data compressed with LZ4HC can
+ * also be decompressed with the default LZ4 decompression.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ * @param compression_level the used compression level. Should be between 3 and 12.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, s32 compression_level);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size);
+
+/**
+ * Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector.
+ *
+ * @param compressed the compressed source memory region.
+ * @param uncompressed_size the size in bytes of the uncompressed data.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed, std::size_t uncompressed_size);
+
+} // namespace Common::Compression \ No newline at end of file
diff --git a/src/common/multi_level_queue.h b/src/common/multi_level_queue.h
index 2b61b91e0..9cb448f56 100644
--- a/src/common/multi_level_queue.h
+++ b/src/common/multi_level_queue.h
@@ -72,7 +72,7 @@ public:
u64 prios = mlq.used_priorities;
prios &= ~((1ULL << (current_priority + 1)) - 1);
if (prios == 0) {
- current_priority = mlq.depth();
+ current_priority = static_cast<u32>(mlq.depth());
} else {
current_priority = CountTrailingZeroes64(prios);
it = GetBeginItForPrio();
diff --git a/src/common/thread.cpp b/src/common/thread.cpp
index 5144c0d9f..fe7a420cc 100644
--- a/src/common/thread.cpp
+++ b/src/common/thread.cpp
@@ -27,18 +27,6 @@ namespace Common {
#ifdef _MSC_VER
-void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask) {
- SetThreadAffinityMask(thread, mask);
-}
-
-void SetCurrentThreadAffinity(u32 mask) {
- SetThreadAffinityMask(GetCurrentThread(), mask);
-}
-
-void SwitchCurrentThread() {
- SwitchToThread();
-}
-
// Sets the debugger-visible name of the current thread.
// Uses undocumented (actually, it is now documented) trick.
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
@@ -70,31 +58,6 @@ void SetCurrentThreadName(const char* name) {
#else // !MSVC_VER, so must be POSIX threads
-void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask) {
-#ifdef __APPLE__
- thread_policy_set(pthread_mach_thread_np(thread), THREAD_AFFINITY_POLICY, (integer_t*)&mask, 1);
-#elif (defined __linux__ || defined __FreeBSD__) && !(defined ANDROID)
- cpu_set_t cpu_set;
- CPU_ZERO(&cpu_set);
-
- for (int i = 0; i != sizeof(mask) * 8; ++i)
- if ((mask >> i) & 1)
- CPU_SET(i, &cpu_set);
-
- pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
-#endif
-}
-
-void SetCurrentThreadAffinity(u32 mask) {
- SetThreadAffinity(pthread_self(), mask);
-}
-
-#ifndef _WIN32
-void SwitchCurrentThread() {
- usleep(1000 * 1);
-}
-#endif
-
// MinGW with the POSIX threading model does not support pthread_setname_np
#if !defined(_WIN32) || defined(_MSC_VER)
void SetCurrentThreadName(const char* name) {
diff --git a/src/common/thread.h b/src/common/thread.h
index 2cf74452d..0cfd98be6 100644
--- a/src/common/thread.h
+++ b/src/common/thread.h
@@ -9,14 +9,13 @@
#include <cstddef>
#include <mutex>
#include <thread>
-#include "common/common_types.h"
namespace Common {
class Event {
public:
void Set() {
- std::lock_guard<std::mutex> lk(mutex);
+ std::lock_guard lk{mutex};
if (!is_set) {
is_set = true;
condvar.notify_one();
@@ -24,14 +23,14 @@ public:
}
void Wait() {
- std::unique_lock<std::mutex> lk(mutex);
+ std::unique_lock lk{mutex};
condvar.wait(lk, [&] { return is_set; });
is_set = false;
}
template <class Clock, class Duration>
bool WaitUntil(const std::chrono::time_point<Clock, Duration>& time) {
- std::unique_lock<std::mutex> lk(mutex);
+ std::unique_lock lk{mutex};
if (!condvar.wait_until(lk, time, [this] { return is_set; }))
return false;
is_set = false;
@@ -39,7 +38,7 @@ public:
}
void Reset() {
- std::unique_lock<std::mutex> lk(mutex);
+ std::unique_lock lk{mutex};
// no other action required, since wait loops on the predicate and any lingering signal will
// get cleared on the first iteration
is_set = false;
@@ -57,7 +56,7 @@ public:
/// Blocks until all "count" threads have called Sync()
void Sync() {
- std::unique_lock<std::mutex> lk(mutex);
+ std::unique_lock lk{mutex};
const std::size_t current_generation = generation;
if (++waiting == count) {
@@ -78,9 +77,6 @@ private:
std::size_t generation = 0; // Incremented once each time the barrier is used
};
-void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask);
-void SetCurrentThreadAffinity(u32 mask);
-void SwitchCurrentThread(); // On Linux, this is equal to sleep 1ms
void SetCurrentThreadName(const char* name);
} // namespace Common
diff --git a/src/common/threadsafe_queue.h b/src/common/threadsafe_queue.h
index 821e8536a..e714ba5b3 100644
--- a/src/common/threadsafe_queue.h
+++ b/src/common/threadsafe_queue.h
@@ -78,7 +78,7 @@ public:
T PopWait() {
if (Empty()) {
- std::unique_lock<std::mutex> lock(cv_mutex);
+ std::unique_lock lock{cv_mutex};
cv.wait(lock, [this]() { return !Empty(); });
}
T t;
@@ -137,7 +137,7 @@ public:
template <typename Arg>
void Push(Arg&& t) {
- std::lock_guard<std::mutex> lock(write_lock);
+ std::lock_guard lock{write_lock};
spsc_queue.Push(t);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 03:28:30 +0200