From 8e9a8b8d76ad0224459af987daa6b7d503a64707 Mon Sep 17 00:00:00 2001
From: nmkd <61149547+n00mkrad@users.noreply.github.com>
Date: Sun, 16 Aug 2026 15:27:41 +0200
Subject: [PATCH] Allow disabling dithering when using software rendering

---
 Core/Config.cpp         | 1 +
 Core/Config.h           | 1 +
 GPU/Software/FuncId.cpp | 3 ++-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Core/Config.cpp b/Core/Config.cpp
index 04eb036dd1..7a512bfe92 100644
--- a/Core/Config.cpp
+++ b/Core/Config.cpp
@@ -692,6 +692,7 @@ static const ConfigSetting graphicsSettings[] = {
 	ConfigSetting("SkipBufferEffects", SETTING(g_Config, bSkipBufferEffects), false, CfgFlag::PER_GAME | CfgFlag::REPORT),
 	ConfigSetting("DepthRasterMode", SETTING(g_Config, iDepthRasterMode), &DefaultDepthRaster, CfgFlag::PER_GAME | CfgFlag::REPORT),
 	ConfigSetting("SoftwareRenderer", SETTING(g_Config, bSoftwareRendering), false, CfgFlag::PER_GAME),
+	ConfigSetting("SoftwareDisableDithering", SETTING(g_Config, bSoftwareDisableDithering), false, CfgFlag::PER_GAME),
 	ConfigSetting("SoftwareRendererJit", SETTING(g_Config, bSoftwareRenderingJit), true, CfgFlag::PER_GAME),
 	ConfigSetting("HardwareTransform", SETTING(g_Config, bHardwareTransform), true, CfgFlag::PER_GAME | CfgFlag::REPORT),
 	ConfigSetting("TextureFiltering", SETTING(g_Config, iTexFiltering), 1, CfgFlag::PER_GAME | CfgFlag::REPORT),
diff --git a/Core/Config.h b/Core/Config.h
index 76dd510dfa..479c1dafed 100644
--- a/Core/Config.h
+++ b/Core/Config.h
@@ -294,6 +294,7 @@ public:
 
 	bool bSoftwareRendering;
 	bool bSoftwareRenderingJit;
+	bool bSoftwareDisableDithering;
 	bool bHardwareTransform;
 	bool bVendorBugChecksEnabled;
 
diff --git a/GPU/Software/FuncId.cpp b/GPU/Software/FuncId.cpp
index c024c39e78..6cbfd34d68 100644
--- a/GPU/Software/FuncId.cpp
+++ b/GPU/Software/FuncId.cpp
@@ -17,6 +17,7 @@
 
 #include "Common/Data/Convert/ColorConv.h"
 #include "Common/StringUtils.h"
+#include "Core/Config.h"
 #include "Core/MemMap.h"
 #include "GPU/Common/TextureDecoder.h"
 #include "GPU/GPUState.h"
@@ -54,7 +55,7 @@ void ComputePixelFuncID(PixelFuncID *id) {
 	// TODO: Could this be minz > 0x0000 || maxz < 0xFFFF?  Maybe unsafe, depending on verts...
 	id->applyDepthRange = !gstate.isModeThrough();
 	// Dither happens even in clear mode.
-	id->dithering = gstate.isDitherEnabled();
+	id->dithering = gstate.isDitherEnabled() && !g_Config.bSoftwareDisableDithering;
 	id->fbFormat = gstate.FrameBufFormat();
 	id->useStandardStride = gstate.FrameBufStride() == 512;
 	id->applyColorWriteMask = gstate.getColorMask() != 0;