[C++] Uplift version to C++20

src/xenia/gpu/draw_util.h

@@ -383,7 +383,7 @@ struct GetViewportInfoArgs {
     depth_format = regs.Get<reg::RB_DEPTH_INFO>().depth_format;
   }
   XE_FORCEINLINE
-  bool operator==(const GetViewportInfoArgs& prev) {
+  bool operator==(const GetViewportInfoArgs& prev) const {
 #if XE_ARCH_AMD64 == 0
     bool result = true;
 

src/xenia/gpu/texture_dump.cc

@@ -94,9 +94,9 @@ void TextureDump(const TextureInfo& src, void* buffer, size_t length) {
 
   static int dump_counter = 0;
   std::filesystem::path path = "texture_dumps";
-  path /= fmt::format("{:05d}_{:08X}_{:08X}_{:08X}.dds", dump_counter++,
-                      src.memory.base_address, src.memory.mip_address,
-                      src.format_name());
+  path /= fmt::format(fmt::runtime("{:05d}_{:08X}_{:08X}_{:08X}.dds"),
+                      dump_counter++, src.memory.base_address,
+                      src.memory.mip_address, src.format_name());
 
   FILE* handle = filesystem::OpenFile(path, "wb");
   if (handle) {

src/xenia/gpu/trace_viewer.cc

@@ -64,7 +64,7 @@ TraceViewer::TraceViewer(xe::ui::WindowedAppContext& app_context,
 TraceViewer::~TraceViewer() = default;
 
 bool TraceViewer::OnInitialize() {
-  std::string path = cvars::target_trace_file.u8string();
+  std::string path = cvars::target_trace_file.string();
 
   // If no path passed, ask the user.
   // On Android, however, there's no synchronous file picker, and the trace file