Common/Hash: Namespace code under the Common namespace

Brings more common code under the Common namespace.

10 files changed, 33 insertions, 23 deletions

diff --git a/Source/Core/Common/Hash.cpp b/Source/Core/Common/Hash.cpp
index 2678ab89bc..193ff5257b 100644
--- a/Source/Core/Common/Hash.cpp
+++ b/Source/Core/Common/Hash.cpp
@@ -15,6 +15,8 @@
 #include <arm_acle.h>
 #endif
 
+namespace Common
+{
 static u64 (*ptrHashFunction)(const u8* src, u32 len, u32 samples) = nullptr;
 
 // uint32_t
@@ -524,3 +526,4 @@ void SetHash64Function()
     ptrHashFunction = &GetMurmurHash3;
   }
 }
+}  // namespace Common
diff --git a/Source/Core/Common/Hash.h b/Source/Core/Common/Hash.h
index 42f5741b40..488f68cc1a 100644
--- a/Source/Core/Common/Hash.h
+++ b/Source/Core/Common/Hash.h
@@ -8,8 +8,11 @@
 
 #include "Common/CommonTypes.h"
 
+namespace Common
+{
 u32 HashFletcher(const u8* data_u8, size_t length);  // FAST. Length & 1 == 0.
 u32 HashAdler32(const u8* data, size_t len);         // Fairly accurate, slightly slower
 u32 HashEctor(const u8* ptr, int length);            // JUNK. DO NOT USE FOR NEW THINGS
 u64 GetHash64(const u8* src, u32 len, u32 samples);
 void SetHash64Function();
+}  // namespace Common
diff --git a/Source/Core/Core/DSP/DSPCore.cpp b/Source/Core/Core/DSP/DSPCore.cpp
index 7b0a4a2244..83196a5c32 100644
--- a/Source/Core/Core/DSP/DSPCore.cpp
+++ b/Source/Core/Core/DSP/DSPCore.cpp
@@ -64,8 +64,8 @@ static bool VerifyRoms()
       {0x128ea7a2, 0xa4a575f5},
   }};
 
-  u32 hash_irom = HashAdler32((u8*)g_dsp.irom, DSP_IROM_BYTE_SIZE);
-  u32 hash_drom = HashAdler32((u8*)g_dsp.coef, DSP_COEF_BYTE_SIZE);
+  const u32 hash_irom = Common::HashAdler32(reinterpret_cast<u8*>(g_dsp.irom), DSP_IROM_BYTE_SIZE);
+  const u32 hash_drom = Common::HashAdler32(reinterpret_cast<u8*>(g_dsp.coef), DSP_COEF_BYTE_SIZE);
   int rom_idx = -1;
 
   for (size_t i = 0; i < known_roms.size(); ++i)
diff --git a/Source/Core/Core/DSP/DSPHWInterface.cpp b/Source/Core/Core/DSP/DSPHWInterface.cpp
index 09a700117c..c7ce209815 100644
--- a/Source/Core/Core/DSP/DSPHWInterface.cpp
+++ b/Source/Core/Core/DSP/DSPHWInterface.cpp
@@ -286,7 +286,7 @@ static const u8* gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size)
   u16* dst = g_dsp.iram + (dsp_addr / 2);
 
   const u8* code = &g_dsp.cpu_ram[addr & 0x0fffffff];
-  g_dsp.iram_crc = HashEctor(code, size);
+  g_dsp.iram_crc = Common::HashEctor(code, size);
 
   Common::UnWriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);
   memcpy(dst, code, size);
diff --git a/Source/Core/Core/HW/DSPHLE/UCodes/ROM.cpp b/Source/Core/Core/HW/DSPHLE/UCodes/ROM.cpp
index 5ac0473d45..b896dd5e5c 100644
--- a/Source/Core/Core/HW/DSPHLE/UCodes/ROM.cpp
+++ b/Source/Core/Core/HW/DSPHLE/UCodes/ROM.cpp
@@ -101,8 +101,9 @@ void ROMUCode::HandleMail(u32 mail)
 
 void ROMUCode::BootUCode()
 {
-  u32 ector_crc = HashEctor((u8*)HLEMemory_Get_Pointer(m_current_ucode.m_ram_address),
-                            m_current_ucode.m_length);
+  const u32 ector_crc =
+      Common::HashEctor(static_cast<u8*>(HLEMemory_Get_Pointer(m_current_ucode.m_ram_address)),
+                        m_current_ucode.m_length);
 
   if (SConfig::GetInstance().m_DumpUCode)
   {
diff --git a/Source/Core/Core/HW/DSPHLE/UCodes/UCodes.cpp b/Source/Core/Core/HW/DSPHLE/UCodes/UCodes.cpp
index 8eaf746154..6fd250e47d 100644
--- a/Source/Core/Core/HW/DSPHLE/UCodes/UCodes.cpp
+++ b/Source/Core/Core/HW/DSPHLE/UCodes/UCodes.cpp
@@ -182,8 +182,9 @@ void UCodeInterface::PrepareBootUCode(u32 mail)
     m_needs_resume_mail = true;
     m_upload_setup_in_progress = false;
 
-    u32 ector_crc =
-        HashEctor((u8*)HLEMemory_Get_Pointer(m_next_ucode.iram_mram_addr), m_next_ucode.iram_size);
+    const u32 ector_crc =
+        Common::HashEctor(static_cast<u8*>(HLEMemory_Get_Pointer(m_next_ucode.iram_mram_addr)),
+                          m_next_ucode.iram_size);
 
     if (SConfig::GetInstance().m_DumpUCode)
     {
diff --git a/Source/Core/Core/Movie.cpp b/Source/Core/Core/Movie.cpp
index 670949ccaf..4393439ee1 100644
--- a/Source/Core/Core/Movie.cpp
+++ b/Source/Core/Core/Movie.cpp
@@ -1426,8 +1426,10 @@ void GetSettings()
     file_coef.Close();
     for (u16& entry : coef)
       entry = Common::swap16(entry);
-    s_DSPiromHash = HashAdler32(reinterpret_cast<u8*>(irom.data()), DSP::DSP_IROM_BYTE_SIZE);
-    s_DSPcoefHash = HashAdler32(reinterpret_cast<u8*>(coef.data()), DSP::DSP_COEF_BYTE_SIZE);
+    s_DSPiromHash =
+        Common::HashAdler32(reinterpret_cast<u8*>(irom.data()), DSP::DSP_IROM_BYTE_SIZE);
+    s_DSPcoefHash =
+        Common::HashAdler32(reinterpret_cast<u8*>(coef.data()), DSP::DSP_COEF_BYTE_SIZE);
   }
   else
   {
diff --git a/Source/Core/DiscIO/CompressedBlob.cpp b/Source/Core/DiscIO/CompressedBlob.cpp
index 285059e9c1..916773b90a 100644
--- a/Source/Core/DiscIO/CompressedBlob.cpp
+++ b/Source/Core/DiscIO/CompressedBlob.cpp
@@ -112,7 +112,7 @@ bool CompressedBlobReader::GetBlock(u64 block_num, u8* out_ptr)
   }
 
   // First, check hash.
-  u32 block_hash = HashAdler32(m_zlib_buffer.data(), comp_block_size);
+  u32 block_hash = Common::HashAdler32(m_zlib_buffer.data(), comp_block_size);
   if (block_hash != m_hashes[block_num])
     PanicAlertT("The disc image \"%s\" is corrupt.\n"
                 "Hash of block %" PRIu64 " is %08x instead of %08x.",
@@ -304,7 +304,7 @@ bool CompressFileToBlob(const std::string& infile_path, const std::string& outfi
 
     position += write_size;
 
-    hashes[i] = HashAdler32(write_buf, write_size);
+    hashes[i] = Common::HashAdler32(write_buf, write_size);
   }
 
   header.compressed_data_size = position;
diff --git a/Source/Core/VideoCommon/NativeVertexFormat.h b/Source/Core/VideoCommon/NativeVertexFormat.h
index e7b575a587..75cf841a32 100644
--- a/Source/Core/VideoCommon/NativeVertexFormat.h
+++ b/Source/Core/VideoCommon/NativeVertexFormat.h
@@ -91,7 +91,7 @@ struct hash<PortableVertexDeclaration>
 {
   size_t operator()(const PortableVertexDeclaration& decl) const
   {
-    return HashFletcher((u8*)&decl, sizeof(decl));
+    return Common::HashFletcher(reinterpret_cast<const u8*>(&decl), sizeof(decl));
   }
 };
 }
diff --git a/Source/Core/VideoCommon/TextureCacheBase.cpp b/Source/Core/VideoCommon/TextureCacheBase.cpp
index 345770bba2..bf9dc98b9d 100644
--- a/Source/Core/VideoCommon/TextureCacheBase.cpp
+++ b/Source/Core/VideoCommon/TextureCacheBase.cpp
@@ -81,7 +81,7 @@ TextureCacheBase::TextureCacheBase()
 
   HiresTexture::Init();
 
-  SetHash64Function();
+  Common::SetHash64Function();
 
   InvalidateAllBindPoints();
 }
@@ -733,13 +733,13 @@ TextureCacheBase::GetTexture(u32 address, u32 width, u32 height, const TextureFo
 
   // TODO: This doesn't hash GB tiles for preloaded RGBA8 textures (instead, it's hashing more data
   // from the low tmem bank than it should)
-  base_hash = GetHash64(src_data, texture_size, textureCacheSafetyColorSampleSize);
+  base_hash = Common::GetHash64(src_data, texture_size, textureCacheSafetyColorSampleSize);
   u32 palette_size = 0;
   if (isPaletteTexture)
   {
     palette_size = TexDecoder_GetPaletteSize(texformat);
-    full_hash =
-        base_hash ^ GetHash64(&texMem[tlutaddr], palette_size, textureCacheSafetyColorSampleSize);
+    full_hash = base_hash ^ Common::GetHash64(&texMem[tlutaddr], palette_size,
+                                              textureCacheSafetyColorSampleSize);
   }
   else
   {
@@ -1225,17 +1225,17 @@ std::optional<TextureLookupInformation> TextureCacheBase::ComputeTextureInformat
 
   // TODO: This doesn't hash GB tiles for preloaded RGBA8 textures (instead, it's hashing more data
   // from the low tmem bank than it should)
-  tex_info.base_hash = GetHash64(tex_info.src_data, tex_info.total_bytes,
-                                 tex_info.texture_cache_safety_color_sample_size);
+  tex_info.base_hash = Common::GetHash64(tex_info.src_data, tex_info.total_bytes,
+                                         tex_info.texture_cache_safety_color_sample_size);
 
   tex_info.is_palette_texture = IsColorIndexed(tex_format);
 
   if (tex_info.is_palette_texture)
   {
     tex_info.palette_size = TexDecoder_GetPaletteSize(tex_format);
-    tex_info.full_hash =
-        tex_info.base_hash ^ GetHash64(&texMem[tex_info.tlut_address], tex_info.palette_size,
-                                       tex_info.texture_cache_safety_color_sample_size);
+    tex_info.full_hash = tex_info.base_hash ^
+                         Common::GetHash64(&texMem[tex_info.tlut_address], tex_info.palette_size,
+                                           tex_info.texture_cache_safety_color_sample_size);
   }
   else
   {
@@ -2043,7 +2043,7 @@ u64 TextureCacheBase::TCacheEntry::CalculateHash() const
   u8* ptr = Memory::GetPointer(addr);
   if (memory_stride == BytesPerRow())
   {
-    return GetHash64(ptr, size_in_bytes, HashSampleSize());
+    return Common::GetHash64(ptr, size_in_bytes, HashSampleSize());
   }
   else
   {
@@ -2062,7 +2062,7 @@ u64 TextureCacheBase::TCacheEntry::CalculateHash() const
     {
       // Multiply by a prime number to mix the hash up a bit. This prevents identical blocks from
       // canceling each other out
-      temp_hash = (temp_hash * 397) ^ GetHash64(ptr, BytesPerRow(), samples_per_row);
+      temp_hash = (temp_hash * 397) ^ Common::GetHash64(ptr, BytesPerRow(), samples_per_row);
       ptr += memory_stride;
     }
     return temp_hash;