From a0a4e02ebb6e80085c2803cce084821b1bc826a3 Mon Sep 17 00:00:00 2001
From: iwubcode <iwubcode@users.noreply.github.com>
Date: Sun, 4 Oct 2026 00:53:19 -0500
Subject: VideoCommon: remove remnants of old custom shader feature, it will be
 replaced by Materials in the future

---
 .../GraphicsModSystem/Runtime/CustomShaderCache.h  | 142 ---------------------
 1 file changed, 142 deletions(-)
 delete mode 100644 Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomShaderCache.h

(limited to 'Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomShaderCache.h')

diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomShaderCache.h b/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomShaderCache.h
deleted file mode 100644
index 7890cafeb6..0000000000
--- a/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomShaderCache.h
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright 2022 Dolphin Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <list>
-#include <map>
-#include <memory>
-#include <optional>
-
-#include "Common/HookableEvent.h"
-
-#include "VideoCommon/AbstractPipeline.h"
-#include "VideoCommon/AbstractShader.h"
-#include "VideoCommon/AsyncShaderCompiler.h"
-#include "VideoCommon/GXPipelineTypes.h"
-#include "VideoCommon/PixelShaderGen.h"
-#include "VideoCommon/ShaderGenCommon.h"
-#include "VideoCommon/UberShaderPixel.h"
-
-struct CustomShaderInstance
-{
-  CustomPixelShaderContents pixel_contents;
-
-  bool operator==(const CustomShaderInstance& other) const = default;
-};
-
-class CustomShaderCache
-{
-public:
-  CustomShaderCache();
-  ~CustomShaderCache();
-  CustomShaderCache(const CustomShaderCache&) = delete;
-  CustomShaderCache(CustomShaderCache&&) = delete;
-  CustomShaderCache& operator=(const CustomShaderCache&) = delete;
-  CustomShaderCache& operator=(CustomShaderCache&&) = delete;
-
-  // Changes the shader host config. Shaders should be reloaded afterwards.
-  void SetHostConfig(const ShaderHostConfig& host_config) { m_host_config.bits = host_config.bits; }
-
-  // Retrieves all pending shaders/pipelines from the async compiler.
-  void RetrieveAsyncShaders();
-
-  // Reloads/recreates all shaders and pipelines.
-  void Reload();
-
-  // The optional will be empty if this pipeline is now background compiling.
-  std::optional<const AbstractPipeline*>
-  GetPipelineAsync(const VideoCommon::GXPipelineUid& uid,
-                   const CustomShaderInstance& custom_shaders,
-                   const AbstractPipelineConfig& pipeline_config);
-  std::optional<const AbstractPipeline*>
-  GetPipelineAsync(const VideoCommon::GXUberPipelineUid& uid,
-                   const CustomShaderInstance& custom_shaders,
-                   const AbstractPipelineConfig& pipeline_config);
-
-private:
-  // Configuration bits.
-  APIType m_api_type = APIType::Nothing;
-  ShaderHostConfig m_host_config = {};
-  std::unique_ptr<VideoCommon::AsyncShaderCompiler> m_async_shader_compiler;
-  std::unique_ptr<VideoCommon::AsyncShaderCompiler> m_async_uber_shader_compiler;
-
-  void AsyncCreatePipeline(const VideoCommon::GXPipelineUid& uid,
-                           const CustomShaderInstance& custom_shaders,
-                           const AbstractPipelineConfig& pipeline_config);
-  void AsyncCreatePipeline(const VideoCommon::GXUberPipelineUid& uid,
-                           const CustomShaderInstance& custom_shaders,
-                           const AbstractPipelineConfig& pipeline_config);
-
-  // Shader/Pipeline cache helper
-  template <typename Uid, typename ValueType>
-  struct Cache
-  {
-    struct CacheHolder
-    {
-      std::unique_ptr<ValueType> value = nullptr;
-      bool pending = true;
-    };
-    using CacheElement = std::pair<CustomShaderInstance, CacheHolder>;
-    using CacheList = std::list<CacheElement>;
-    std::map<Uid, CacheList> uid_to_cachelist;
-
-    const CacheHolder* GetHolder(const Uid& uid, const CustomShaderInstance& custom_shaders) const
-    {
-      if (auto uuid_it = uid_to_cachelist.find(uid); uuid_it != uid_to_cachelist.end())
-      {
-        for (const auto& [custom_shader_val, holder] : uuid_it->second)
-        {
-          if (custom_shaders == custom_shader_val)
-          {
-            return &holder;
-          }
-        }
-      }
-
-      return nullptr;
-    }
-
-    typename CacheList::iterator InsertElement(const Uid& uid,
-                                               const CustomShaderInstance& custom_shaders)
-    {
-      CacheList& cachelist = uid_to_cachelist[uid];
-      CacheElement e{custom_shaders, CacheHolder{}};
-      return cachelist.emplace(cachelist.begin(), std::move(e));
-    }
-  };
-
-  Cache<PixelShaderUid, AbstractShader> m_ps_cache;
-  Cache<UberShader::PixelShaderUid, AbstractShader> m_uber_ps_cache;
-  Cache<VideoCommon::GXPipelineUid, AbstractPipeline> m_pipeline_cache;
-  Cache<VideoCommon::GXUberPipelineUid, AbstractPipeline> m_uber_pipeline_cache;
-
-  using PipelineIterator = Cache<VideoCommon::GXPipelineUid, AbstractPipeline>::CacheList::iterator;
-  using UberPipelineIterator =
-      Cache<VideoCommon::GXUberPipelineUid, AbstractPipeline>::CacheList::iterator;
-  using PixelShaderIterator = Cache<PixelShaderUid, AbstractShader>::CacheList::iterator;
-  using UberPixelShaderIterator =
-      Cache<UberShader::PixelShaderUid, AbstractShader>::CacheList::iterator;
-
-  void NotifyPipelineFinished(PipelineIterator iterator,
-                              std::unique_ptr<AbstractPipeline> pipeline);
-  void NotifyPipelineFinished(UberPipelineIterator iterator,
-                              std::unique_ptr<AbstractPipeline> pipeline);
-
-  std::unique_ptr<AbstractShader>
-  CompilePixelShader(const PixelShaderUid& uid, const CustomShaderInstance& custom_shaders) const;
-  void NotifyPixelShaderFinished(PixelShaderIterator iterator,
-                                 std::unique_ptr<AbstractShader> shader);
-  std::unique_ptr<AbstractShader>
-  CompilePixelShader(const UberShader::PixelShaderUid& uid,
-                     const CustomShaderInstance& custom_shaders) const;
-  void NotifyPixelShaderFinished(UberPixelShaderIterator iterator,
-                                 std::unique_ptr<AbstractShader> shader);
-
-  void QueuePixelShaderCompile(const PixelShaderUid& uid,
-                               const CustomShaderInstance& custom_shaders);
-  void QueuePixelShaderCompile(const UberShader::PixelShaderUid& uid,
-                               const CustomShaderInstance& custom_shaders);
-
-  Common::EventHook m_frame_end_handler;
-};
-- 
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