VideoCommon: Scan texture dumping directory + subdirectories to not re-dump existing files.

Source/Core/VideoCommon/TextureCacheBase.cpp

@@ -52,7 +52,6 @@
 #include "VideoCommon/TextureConversionShader.h"
 #include "VideoCommon/TextureConverterShaderGen.h"
 #include "VideoCommon/TextureDecoder.h"
-#include "VideoCommon/TextureUtils.h"
 #include "VideoCommon/VertexManagerBase.h"
 #include "VideoCommon/VideoCommon.h"
 #include "VideoCommon/VideoConfig.h"
@@ -1818,15 +1817,13 @@ RcTcacheEntry TextureCacheBase::CreateTextureEntry(
       const std::string basename = texture_info.CalculateTextureName().GetFullName();
       if (g_ActiveConfig.bDumpBaseTextures)
       {
-        VideoCommon::TextureUtils::DumpTexture(*entry->texture, basename, 0,
-                                               entry->has_arbitrary_mips);
+        m_texture_dumper.DumpTexture(*entry->texture, basename, 0, entry->has_arbitrary_mips);
       }
       if (g_ActiveConfig.bDumpMipmapTextures)
       {
         for (u32 level = 1; level < texLevels; ++level)
         {
-          VideoCommon::TextureUtils::DumpTexture(*entry->texture, basename, level,
-                                                 entry->has_arbitrary_mips);
+          m_texture_dumper.DumpTexture(*entry->texture, basename, level, entry->has_arbitrary_mips);
         }
       }
     }

Source/Core/VideoCommon/TextureCacheBase.h

@@ -27,6 +27,7 @@
 #include "VideoCommon/TextureConfig.h"
 #include "VideoCommon/TextureDecoder.h"
 #include "VideoCommon/TextureInfo.h"
+#include "VideoCommon/TextureUtils.h"
 #include "VideoCommon/VideoEvents.h"
 
 class AbstractFramebuffer;
@@ -460,6 +461,8 @@ private:
 
   Common::EventHook m_frame_event =
       AfterFrameEvent::Register([this](Core::System&) { OnFrameEnd(); }, "TextureCache");
+
+  VideoCommon::TextureUtils::TextureDumper m_texture_dumper;
 };
 
 extern std::unique_ptr<TextureCacheBase> g_texture_cache;

Source/Core/VideoCommon/TextureUtils.cpp

@@ -5,37 +5,76 @@
 
 #include <fmt/format.h>
 
+#include "Common/FileSearch.h"
 #include "Common/FileUtil.h"
+#include "Common/Logging/Log.h"
+
 #include "Core/Config/GraphicsSettings.h"
 #include "Core/ConfigManager.h"
 
 #include "VideoCommon/AbstractTexture.h"
 
+namespace
+{
+std::string BuildDumpTextureFilename(std::string basename, u32 level, bool is_arbitrary)
+{
+  if (is_arbitrary)
+    basename += "_arb";
+
+  if (level > 0)
+    basename += fmt::format("_mip{}", level);
+
+  return basename;
+}
+}  // namespace
 namespace VideoCommon::TextureUtils
 {
 void DumpTexture(const ::AbstractTexture& texture, std::string basename, u32 level,
                  bool is_arbitrary)
 {
-  std::string szDir = File::GetUserPath(D_DUMPTEXTURES_IDX) + SConfig::GetInstance().GetGameID();
+  const std::string dump_dir =
+      File::GetUserPath(D_DUMPTEXTURES_IDX) + SConfig::GetInstance().GetGameID();
 
-  // make sure that the directory exists
-  if (!File::IsDirectory(szDir))
-    File::CreateDir(szDir);
+  if (!File::IsDirectory(dump_dir))
+    File::CreateDir(dump_dir);
 
-  if (is_arbitrary)
-  {
-    basename += "_arb";
-  }
+  const std::string name = BuildDumpTextureFilename(std::move(basename), level, is_arbitrary);
+  const std::string filename = fmt::format("{}/{}.png", dump_dir, name);
 
-  if (level > 0)
-  {
-    basename += fmt::format("_mip{}", level);
-  }
-
-  const std::string filename = fmt::format("{}/{}.png", szDir, basename);
   if (File::Exists(filename))
     return;
 
   texture.Save(filename, level, Config::Get(Config::GFX_TEXTURE_PNG_COMPRESSION_LEVEL));
 }
+
+void TextureDumper::DumpTexture(const ::AbstractTexture& texture, std::string basename, u32 level,
+                                bool is_arbitrary)
+{
+  const std::string dump_dir =
+      File::GetUserPath(D_DUMPTEXTURES_IDX) + SConfig::GetInstance().GetGameID();
+
+  if (m_dumped_textures.empty())
+  {
+    if (!File::IsDirectory(dump_dir))
+      File::CreateDir(dump_dir);
+
+    for (auto& filename : Common::DoFileSearch({dump_dir}, {".png"}, true))
+    {
+      std::string name;
+      SplitPath(filename, nullptr, &name, nullptr);
+      m_dumped_textures.insert(name);
+    }
+
+    NOTICE_LOG_FMT(VIDEO, "Found {} dumped textures that will not be re-dumped.",
+                   m_dumped_textures.size());
+  }
+
+  const std::string name = BuildDumpTextureFilename(std::move(basename), level, is_arbitrary);
+  const bool file_existed = !m_dumped_textures.insert(name).second;
+  if (file_existed)
+    return;
+
+  texture.Save(fmt::format("{}/{}.png", dump_dir, name), level,
+               Config::Get(Config::GFX_TEXTURE_PNG_COMPRESSION_LEVEL));
+}
 }  // namespace VideoCommon::TextureUtils

Source/Core/VideoCommon/TextureUtils.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include <string>
+#include <unordered_set>
 
 #include "Common/CommonTypes.h"
 
@@ -11,6 +12,18 @@ class AbstractTexture;
 
 namespace VideoCommon::TextureUtils
 {
+class TextureDumper
+{
+public:
+  // Only dumps if texture did not already exist anywhere within the dump-textures path.
+  void DumpTexture(const ::AbstractTexture& texture, std::string basename, u32 level,
+                   bool is_arbitrary);
+
+private:
+  std::unordered_set<std::string> m_dumped_textures;
+};
+
 void DumpTexture(const ::AbstractTexture& texture, std::string basename, u32 level,
                  bool is_arbitrary);
-}
+
+}  // namespace VideoCommon::TextureUtils