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-rw-r--r--src/common/CMakeLists.txt4
-rw-r--r--src/common/zstd_compression.cpp53
-rw-r--r--src/common/zstd_compression.h42
-rw-r--r--src/video_core/renderer_opengl/gl_shader_disk_cache.cpp12
4 files changed, 104 insertions, 7 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 5639021d3..1e8e1b215 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -125,6 +125,8 @@ add_library(common STATIC
uint128.h
vector_math.h
web_result.h
+ zstd_compression.cpp
+ zstd_compression.h
)
if(ARCHITECTURE_x86_64)
@@ -138,4 +140,4 @@ endif()
create_target_directory_groups(common)
target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
-target_link_libraries(common PRIVATE lz4_static)
+target_link_libraries(common PRIVATE lz4_static libzstd_static)
diff --git a/src/common/zstd_compression.cpp b/src/common/zstd_compression.cpp
new file mode 100644
index 000000000..60a35c67c
--- /dev/null
+++ b/src/common/zstd_compression.cpp
@@ -0,0 +1,53 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <zstd.h>
+
+#include "common/assert.h"
+#include "common/zstd_compression.h"
+
+namespace Common::Compression {
+
+std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level) {
+ compression_level = std::clamp(compression_level, 1, ZSTD_maxCLevel());
+
+ const std::size_t max_compressed_size = ZSTD_compressBound(source_size);
+ std::vector<u8> compressed(max_compressed_size);
+
+ const std::size_t compressed_size =
+ ZSTD_compress(compressed.data(), compressed.size(), source, source_size, compression_level);
+
+ if (ZSTD_isError(compressed_size)) {
+ // Compression failed
+ return {};
+ }
+
+ compressed.resize(compressed_size);
+
+ return compressed;
+}
+
+std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size) {
+ return CompressDataZSTD(source, source_size, ZSTD_CLEVEL_DEFAULT);
+}
+
+std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed) {
+ const std::size_t decompressed_size =
+ ZSTD_getDecompressedSize(compressed.data(), compressed.size());
+ std::vector<u8> decompressed(decompressed_size);
+
+ const std::size_t uncompressed_result_size = ZSTD_decompress(
+ decompressed.data(), decompressed.size(), compressed.data(), compressed.size());
+
+ if (decompressed_size != uncompressed_result_size || ZSTD_isError(uncompressed_result_size)) {
+ // Decompression failed
+ return {};
+ }
+ return decompressed;
+}
+
+} // namespace Common::Compression
diff --git a/src/common/zstd_compression.h b/src/common/zstd_compression.h
new file mode 100644
index 000000000..e0a64b035
--- /dev/null
+++ b/src/common/zstd_compression.h
@@ -0,0 +1,42 @@
+// 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 Zstandard 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.
+ * @param compression_level the used compression level. Should be between 1 and 22.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level);
+
+/**
+ * Compresses a source memory region with Zstandard with the default compression level 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> CompressDataZSTDDefault(const u8* source, std::size_t source_size);
+
+/**
+ * Decompresses a source memory region with Zstandard and returns the uncompressed data in a vector.
+ *
+ * @param compressed the compressed source memory region.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed);
+
+} // namespace Common::Compression \ No newline at end of file
diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
index d2d979997..8a43eb157 100644
--- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
@@ -10,8 +10,8 @@
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
-#include "common/lz4_compression.h"
#include "common/scm_rev.h"
+#include "common/zstd_compression.h"
#include "core/core.h"
#include "core/hle/kernel/process.h"
@@ -259,7 +259,7 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
return {};
}
- dump.binary = Common::Compression::DecompressDataLZ4(compressed_binary, binary_length);
+ dump.binary = Common::Compression::DecompressDataZSTD(compressed_binary);
if (dump.binary.empty()) {
return {};
}
@@ -288,7 +288,7 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
return {};
}
- const std::vector<u8> code = Common::Compression::DecompressDataLZ4(compressed_code, code_size);
+ const std::vector<u8> code = Common::Compression::DecompressDataZSTD(compressed_code);
if (code.empty()) {
return {};
}
@@ -474,8 +474,8 @@ void ShaderDiskCacheOpenGL::SaveDecompiled(u64 unique_identifier, const std::str
if (!IsUsable())
return;
- const std::vector<u8> compressed_code{Common::Compression::CompressDataLZ4HC(
- reinterpret_cast<const u8*>(code.data()), code.size(), 9)};
+ const std::vector<u8> compressed_code{Common::Compression::CompressDataZSTDDefault(
+ reinterpret_cast<const u8*>(code.data()), code.size())};
if (compressed_code.empty()) {
LOG_ERROR(Render_OpenGL, "Failed to compress GLSL code - skipping shader {:016x}",
unique_identifier);
@@ -506,7 +506,7 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
glGetProgramBinary(program, binary_length, nullptr, &binary_format, binary.data());
const std::vector<u8> compressed_binary =
- Common::Compression::CompressDataLZ4HC(binary.data(), binary.size(), 9);
+ Common::Compression::CompressDataZSTDDefault(binary.data(), binary.size());
if (compressed_binary.empty()) {
LOG_ERROR(Render_OpenGL, "Failed to compress binary program in shader={:016x}",