From cd0802b9c8c48ab155e46ecd16ac84fe2de6cc80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Wed, 10 Jun 2026 10:46:05 +0200
Subject: [PATCH] Remove redundant flag from vertex shader IDs

---
 GPU/Common/ShaderId.cpp              | 2 --
 GPU/Common/ShaderId.h                | 2 +-
 GPU/Common/VertexShaderGenerator.cpp | 1 -
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/GPU/Common/ShaderId.cpp b/GPU/Common/ShaderId.cpp
index a7aa6bfb01..18fe625189 100644
--- a/GPU/Common/ShaderId.cpp
+++ b/GPU/Common/ShaderId.cpp
@@ -18,7 +18,6 @@ std::string VertexShaderDesc(const VShaderID &id) {
 	std::stringstream desc;
 	desc << StringFromFormat("%08x:%08x ", id.d[1], id.d[0]);
 	if (id.Bit(VS_BIT_IS_THROUGH)) desc << "THR ";
-	if (id.Bit(VS_BIT_CLIP_ENABLE)) desc << "Clip ";
 	if (id.Bit(VS_BIT_USE_HW_TRANSFORM)) desc << "HWX ";
 	if (id.Bit(VS_BIT_HAS_COLOR)) desc << "C ";
 	if (id.Bit(VS_BIT_HAS_TEXCOORD)) desc << "T ";
@@ -97,7 +96,6 @@ void ComputeVertexShaderID(VShaderID *id_out, u32 vertType, bool useHWTransform,
 	id.SetBit(VS_BIT_LMODE, lmode);
 	id.SetBit(VS_BIT_IS_THROUGH, isModeThrough);
 	id.SetBit(VS_BIT_HAS_COLOR, vtypeHasColor);
-	id.SetBit(VS_BIT_CLIP_ENABLE, gstate.isDepthClipEnabled());
 	id.SetBit(VS_BIT_VERTEX_RANGE_CULLING, vertexRangeCulling);
 
 	if (!isModeThrough && gstate_c.Use(GPU_USE_SINGLE_PASS_STEREO)) {
diff --git a/GPU/Common/ShaderId.h b/GPU/Common/ShaderId.h
index 29affbf6f7..88c955bbf3 100644
--- a/GPU/Common/ShaderId.h
+++ b/GPU/Common/ShaderId.h
@@ -28,7 +28,7 @@ enum VShaderBit : uint8_t {
 	VS_BIT_IS_THROUGH = 1,
 	// bit 2 is free.
 	VS_BIT_HAS_COLOR = 3,
-	VS_BIT_CLIP_ENABLE = 4,
+	// bit 4 is free.
 	VS_BIT_VERTEX_RANGE_CULLING = 5,
 	VS_BIT_SIMPLE_STEREO = 6,
 	// bit 7 is free,
diff --git a/GPU/Common/VertexShaderGenerator.cpp b/GPU/Common/VertexShaderGenerator.cpp
index a170974d3c..b66ac96252 100644
--- a/GPU/Common/VertexShaderGenerator.cpp
+++ b/GPU/Common/VertexShaderGenerator.cpp
@@ -134,7 +134,6 @@ bool GenerateVertexShader(const VShaderID &id, char *buffer, const ShaderLanguag
 	const bool isModeThrough = id.Bit(VS_BIT_IS_THROUGH);
 	const bool useHWTransform = id.Bit(VS_BIT_USE_HW_TRANSFORM);
 
-	const bool clipEnable = id.Bit(VS_BIT_CLIP_ENABLE) && !isModeThrough;  // this is the PSP clip flag, which has some various consequences.
 	const bool clipNearPlane = gstate_c.Use(GPU_USE_CLIP_DISTANCE) && useHWTransform;
 	const bool clipMinMax = gstate_c.Use(GPU_USE_CLIP_DISTANCE) && !isModeThrough;  // If clip planes are available, we want to use them for min/max. We skip the min/max culling in software transform (not yet implemented).