From eb81968fe63d5df0f9b0efd1533567096c2bb59b Mon Sep 17 00:00:00 2001
From: Pokechu22 <Pokechu022@gmail.com>
Date: Wed, 28 Jul 2021 21:11:15 -0700
Subject: [PATCH] Convert ShaderHostConfig to BitField

---
 Source/Core/VideoCommon/ShaderCache.cpp   |  2 +-
 Source/Core/VideoCommon/ShaderCache.h     |  2 +-
 Source/Core/VideoCommon/ShaderGenCommon.h | 51 +++++++++++------------
 3 files changed, 26 insertions(+), 29 deletions(-)

diff --git a/Source/Core/VideoCommon/ShaderCache.cpp b/Source/Core/VideoCommon/ShaderCache.cpp
index 40defb9fdc..655a5b6bb1 100644
--- a/Source/Core/VideoCommon/ShaderCache.cpp
+++ b/Source/Core/VideoCommon/ShaderCache.cpp
@@ -35,7 +35,7 @@ ShaderCache::~ShaderCache()
 bool ShaderCache::Initialize()
 {
   m_api_type = g_ActiveConfig.backend_info.api_type;
-  m_host_config = ShaderHostConfig::GetCurrent();
+  m_host_config.bits = ShaderHostConfig::GetCurrent().bits;
 
   if (!CompileSharedPipelines())
     return false;
diff --git a/Source/Core/VideoCommon/ShaderCache.h b/Source/Core/VideoCommon/ShaderCache.h
index 8feff52c15..b083927de4 100644
--- a/Source/Core/VideoCommon/ShaderCache.h
+++ b/Source/Core/VideoCommon/ShaderCache.h
@@ -53,7 +53,7 @@ public:
   void InitializeShaderCache();
 
   // Changes the shader host config. Shaders should be reloaded afterwards.
-  void SetHostConfig(const ShaderHostConfig& host_config) { m_host_config = host_config; }
+  void SetHostConfig(const ShaderHostConfig& host_config) { m_host_config.bits = host_config.bits; }
 
   // Reloads/recreates all shaders and pipelines.
   void Reload();
diff --git a/Source/Core/VideoCommon/ShaderGenCommon.h b/Source/Core/VideoCommon/ShaderGenCommon.h
index b4f0f2f179..67ad59d40e 100644
--- a/Source/Core/VideoCommon/ShaderGenCommon.h
+++ b/Source/Core/VideoCommon/ShaderGenCommon.h
@@ -11,6 +11,7 @@
 
 #include <fmt/format.h>
 
+#include "Common/BitField.h"
 #include "Common/CommonTypes.h"
 #include "Common/StringUtil.h"
 
@@ -143,33 +144,29 @@ union ShaderHostConfig
 {
   u32 bits;
 
-  struct
-  {
-    u32 msaa : 1;
-    u32 ssaa : 1;
-    u32 stereo : 1;
-    u32 wireframe : 1;
-    u32 per_pixel_lighting : 1;
-    u32 vertex_rounding : 1;
-    u32 fast_depth_calc : 1;
-    u32 bounding_box : 1;
-    u32 backend_dual_source_blend : 1;
-    u32 backend_geometry_shaders : 1;
-    u32 backend_early_z : 1;
-    u32 backend_bbox : 1;
-    u32 backend_gs_instancing : 1;
-    u32 backend_clip_control : 1;
-    u32 backend_ssaa : 1;
-    u32 backend_atomics : 1;
-    u32 backend_depth_clamp : 1;
-    u32 backend_reversed_depth_range : 1;
-    u32 backend_bitfield : 1;
-    u32 backend_dynamic_sampler_indexing : 1;
-    u32 backend_shader_framebuffer_fetch : 1;
-    u32 backend_logic_op : 1;
-    u32 backend_palette_conversion : 1;
-    u32 pad : 9;
-  };
+  BitField<0, 1, bool, u32> msaa;
+  BitField<1, 1, bool, u32> ssaa;
+  BitField<2, 1, bool, u32> stereo;
+  BitField<3, 1, bool, u32> wireframe;
+  BitField<4, 1, bool, u32> per_pixel_lighting;
+  BitField<5, 1, bool, u32> vertex_rounding;
+  BitField<6, 1, bool, u32> fast_depth_calc;
+  BitField<7, 1, bool, u32> bounding_box;
+  BitField<8, 1, bool, u32> backend_dual_source_blend;
+  BitField<9, 1, bool, u32> backend_geometry_shaders;
+  BitField<10, 1, bool, u32> backend_early_z;
+  BitField<11, 1, bool, u32> backend_bbox;
+  BitField<12, 1, bool, u32> backend_gs_instancing;
+  BitField<13, 1, bool, u32> backend_clip_control;
+  BitField<14, 1, bool, u32> backend_ssaa;
+  BitField<15, 1, bool, u32> backend_atomics;
+  BitField<16, 1, bool, u32> backend_depth_clamp;
+  BitField<17, 1, bool, u32> backend_reversed_depth_range;
+  BitField<18, 1, bool, u32> backend_bitfield;
+  BitField<19, 1, bool, u32> backend_dynamic_sampler_indexing;
+  BitField<20, 1, bool, u32> backend_shader_framebuffer_fetch;
+  BitField<21, 1, bool, u32> backend_logic_op;
+  BitField<22, 1, bool, u32> backend_palette_conversion;
 
   static ShaderHostConfig GetCurrent();
 };