From 462657960d9a71de142937cb29e30917d57845af Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Sun, 2 Apr 2023 21:24:36 +0300
Subject: [PATCH] OpenGL3: Drop always-zero vSpecularColor from the shaders

---
 media/Shaders/OneTextureBlend.fsh            | 2 --
 media/Shaders/Solid.fsh                      | 2 --
 media/Shaders/Solid.vsh                      | 2 --
 media/Shaders/TransparentAlphaChannel.fsh    | 2 --
 media/Shaders/TransparentAlphaChannelRef.fsh | 3 ---
 media/Shaders/TransparentVertexAlpha.fsh     | 2 --
 6 files changed, 13 deletions(-)

diff --git a/media/Shaders/OneTextureBlend.fsh b/media/Shaders/OneTextureBlend.fsh
index c348016c..7ecb7e1a 100644
--- a/media/Shaders/OneTextureBlend.fsh
+++ b/media/Shaders/OneTextureBlend.fsh
@@ -18,7 +18,6 @@ uniform float uFogDensity;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 float computeFog()
@@ -54,7 +53,6 @@ void main()
 		Color1 = texture2D(uTextureUnit0, vTextureCoord0);
 
 	vec4 FinalColor = Color0 * Color1;
-	FinalColor += vSpecularColor;
 
 	if (uBlendType == 1)
 	{
diff --git a/media/Shaders/Solid.fsh b/media/Shaders/Solid.fsh
index df1010e6..c85c6baf 100644
--- a/media/Shaders/Solid.fsh
+++ b/media/Shaders/Solid.fsh
@@ -17,7 +17,6 @@ uniform float uFogDensity;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 float computeFog()
@@ -50,7 +49,6 @@ void main()
 
 	if (bool(uTextureUsage0))
 		Color *= texture2D(uTextureUnit0, vTextureCoord0);
-	Color += vSpecularColor;
 
 	if (bool(uFogEnable))
 	{
diff --git a/media/Shaders/Solid.vsh b/media/Shaders/Solid.vsh
index c260409b..7379e5bb 100644
--- a/media/Shaders/Solid.vsh
+++ b/media/Shaders/Solid.vsh
@@ -20,7 +20,6 @@ uniform float uThickness;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 void main()
@@ -32,7 +31,6 @@ void main()
 	vTextureCoord0 = vec4(uTMatrix0 * TextureCoord0).xy;
 
 	vVertexColor = inVertexColor.bgra;
-	vSpecularColor = vec4(0.0, 0.0, 0.0, 0.0);
 
 	vec3 Position = (uWVMatrix * vec4(inVertexPosition, 1.0)).xyz;
 
diff --git a/media/Shaders/TransparentAlphaChannel.fsh b/media/Shaders/TransparentAlphaChannel.fsh
index cef349a4..8491068a 100644
--- a/media/Shaders/TransparentAlphaChannel.fsh
+++ b/media/Shaders/TransparentAlphaChannel.fsh
@@ -18,7 +18,6 @@ uniform float uFogDensity;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 float computeFog()
@@ -57,7 +56,6 @@ void main()
 		if (Color.a < uAlphaRef)
 			discard;
 	}
-	Color += vSpecularColor;
 
 	if (bool(uFogEnable))
 	{
diff --git a/media/Shaders/TransparentAlphaChannelRef.fsh b/media/Shaders/TransparentAlphaChannelRef.fsh
index fab4eeea..ac762f0c 100644
--- a/media/Shaders/TransparentAlphaChannelRef.fsh
+++ b/media/Shaders/TransparentAlphaChannelRef.fsh
@@ -18,7 +18,6 @@ uniform float uFogDensity;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 float computeFog()
@@ -55,8 +54,6 @@ void main()
 	if (Color.a < uAlphaRef)
 		discard;
 
-	Color += vSpecularColor;
-
 	if (bool(uFogEnable))
 	{
 		float FogFactor = computeFog();
diff --git a/media/Shaders/TransparentVertexAlpha.fsh b/media/Shaders/TransparentVertexAlpha.fsh
index df1010e6..c85c6baf 100644
--- a/media/Shaders/TransparentVertexAlpha.fsh
+++ b/media/Shaders/TransparentVertexAlpha.fsh
@@ -17,7 +17,6 @@ uniform float uFogDensity;
 
 varying vec2 vTextureCoord0;
 varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
 varying float vFogCoord;
 
 float computeFog()
@@ -50,7 +49,6 @@ void main()
 
 	if (bool(uTextureUsage0))
 		Color *= texture2D(uTextureUnit0, vTextureCoord0);
-	Color += vSpecularColor;
 
 	if (bool(uFogEnable))
 	{