From 5562ae9cc57a0dfc66165f60f424f5123c666ba6 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Sat, 26 Mar 2022 14:03:02 +0100
Subject: VideoCore: Add option to dump the macros.

Co-Authored-By: liamwhite <liamwhite@users.noreply.github.com>
---
 src/video_core/macro/macro.cpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/video_core')

diff --git a/src/video_core/macro/macro.cpp b/src/video_core/macro/macro.cpp
index a033d03be..86393c49c 100644
--- a/src/video_core/macro/macro.cpp
+++ b/src/video_core/macro/macro.cpp
@@ -2,11 +2,15 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <cstring>
+#include <fstream>
 #include <optional>
+#include <span>
 
 #include <boost/container_hash/hash.hpp>
 
 #include "common/assert.h"
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
 #include "common/settings.h"
 #include "video_core/macro/macro.h"
 #include "video_core/macro/macro_hle.h"
@@ -15,6 +19,23 @@
 
 namespace Tegra {
 
+static void Dump(u64 hash, std::span<const u32> code) {
+    const auto base_dir{Common::FS::GetYuzuPath(Common::FS::YuzuPath::DumpDir)};
+    const auto macro_dir{base_dir / "macros"};
+    if (!Common::FS::CreateDir(base_dir) || !Common::FS::CreateDir(macro_dir)) {
+        LOG_ERROR(Common_Filesystem, "Failed to create macro dump directories");
+        return;
+    }
+    const auto name{macro_dir / fmt::format("{:016x}.macro", hash)};
+    std::fstream macro_file(name, std::ios::out | std::ios::binary);
+    if (!macro_file) {
+        LOG_ERROR(Common_Filesystem, "Unable to open or create file at {}",
+                  Common::FS::PathToUTF8String(name));
+        return;
+    }
+    macro_file.write(reinterpret_cast<const char*>(code.data()), code.size_bytes());
+}
+
 MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d)
     : hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d)} {}
 
@@ -54,6 +75,9 @@ void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
         if (!mid_method.has_value()) {
             cache_info.lle_program = Compile(macro_code->second);
             cache_info.hash = boost::hash_value(macro_code->second);
+            if (Settings::values.dump_macros) {
+                Dump(cache_info.hash, macro_code->second);
+            }
         } else {
             const auto& macro_cached = uploaded_macro_code[mid_method.value()];
             const auto rebased_method = method - mid_method.value();
@@ -63,6 +87,9 @@ void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
                         code.size() * sizeof(u32));
             cache_info.hash = boost::hash_value(code);
             cache_info.lle_program = Compile(code);
+            if (Settings::values.dump_macros) {
+                Dump(cache_info.hash, code);
+            }
         }
 
         if (auto hle_program = hle_macros->GetHLEProgram(cache_info.hash)) {
-- 
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