Update ImGui

src/backend/RomHelpers.hpp

@@ -3,66 +3,25 @@
 #include <MemoryHelpers.hpp>
 
 namespace Util {
-enum RomTypes {
-  Z64 = 0x80371240,
-  N64 = 0x40123780,
-  V64 = 0x37804012
-};
-
-inline void GetRomCRC(size_t size, u8 *rom, u32 &crc) {
-  RomTypes endianness;
-  memcpy(&endianness, rom, 4);
-  endianness = static_cast<RomTypes>(be32toh(endianness));
+#define Z64 0x80371240
+#define N64 0x40123780
+#define V64 0x37804012
 
+template <bool toBE = false>
+inline void SwapN64Rom(size_t size, u8 *rom, u32 endianness) {
   switch (endianness) {
-    case RomTypes::V64: {
+    case V64:
       SwapBuffer16(size, rom);
-      crc = crc32(0, rom, size);
-    }
+      if constexpr(!toBE)
+        SwapBuffer32(size, rom);
       break;
-    case RomTypes::N64: {
-      SwapBuffer32(size, rom);
-      crc = crc32(0, rom, size);
-    }
+    case N64:
+      if constexpr(toBE)
+        SwapBuffer32(size, rom);
       break;
-    case RomTypes::Z64:
-      crc = crc32(0, rom, size);
-      break;
-    default:
-      panic("Unrecognized rom format! Make sure this is a valid Nintendo 64 ROM dump!\n");
-  }
-}
-
-inline void SwapN64Rom(size_t size, u8 *rom, u32 &crc, u32 &cicChecksum) {
-  RomTypes endianness;
-  memcpy(&endianness, rom, 4);
-  endianness = static_cast<RomTypes>(be32toh(endianness));
-
-  switch (endianness) {
-    case RomTypes::V64: {
-      u8 *temp = (u8 *) calloc(size, 1);
-      memcpy(temp, rom, size);
-      SwapBuffer16(size, temp);
-      crc = crc32(0, temp, size);
-      cicChecksum = crc32(0, &temp[0x40], 0x9c0);
-      free(temp);
-      SwapBuffer32(size, rom);
-      SwapBuffer16(size, rom);
-    }
-      break;
-    case RomTypes::N64: {
-      u8 *temp = (u8 *) calloc(size, 1);
-      memcpy(temp, rom, size);
-      SwapBuffer32(size, temp);
-      crc = crc32(0, temp, size);
-      cicChecksum = crc32(0, &temp[0x40], 0x9c0);
-      free(temp);
-    }
-      break;
-    case RomTypes::Z64:
-      crc = crc32(0, rom, size);
-      cicChecksum = crc32(0, &rom[0x40], 0x9c0);
-      SwapBuffer32(size, rom);
+    case Z64:
+      if constexpr(!toBE)
+        SwapBuffer32(size, rom);
       break;
     default:
       panic("Unrecognized rom format! Make sure this is a valid Nintendo 64 ROM dump!\n");