renderer: fix legacy dynamic light intensity

src/engine/renderer/gl_shader.cpp

@@ -1710,6 +1710,7 @@ GLShader_forwardLighting_omniXYZ::GLShader_forwardLighting_omniXYZ( GLShaderMana
 	u_ViewOrigin( this ),
 	u_LightOrigin( this ),
 	u_LightColor( this ),
+	u_InverseLightFactor( this ),
 	u_LightRadius( this ),
 	u_LightScale( this ),
 	u_LightAttenuationMatrix( this ),
@@ -1768,6 +1769,7 @@ GLShader_forwardLighting_projXYZ::GLShader_forwardLighting_projXYZ( GLShaderMana
 	u_ViewOrigin( this ),
 	u_LightOrigin( this ),
 	u_LightColor( this ),
+	u_InverseLightFactor( this ),
 	u_LightRadius( this ),
 	u_LightScale( this ),
 	u_LightAttenuationMatrix( this ),
@@ -1828,6 +1830,7 @@ GLShader_forwardLighting_directionalSun::GLShader_forwardLighting_directionalSun
 	u_ViewOrigin( this ),
 	u_LightDir( this ),
 	u_LightColor( this ),
+	u_InverseLightFactor( this ),
 	u_LightRadius( this ),
 	u_LightScale( this ),
 	u_LightAttenuationMatrix( this ),

src/engine/renderer/gl_shader.h

@@ -2372,6 +2372,7 @@ class GLShader_forwardLighting_omniXYZ :
 	public u_ViewOrigin,
 	public u_LightOrigin,
 	public u_LightColor,
+	public u_InverseLightFactor,
 	public u_LightRadius,
 	public u_LightScale,
 	public u_LightAttenuationMatrix,
@@ -2409,6 +2410,7 @@ class GLShader_forwardLighting_projXYZ :
 	public u_ViewOrigin,
 	public u_LightOrigin,
 	public u_LightColor,
+	public u_InverseLightFactor,
 	public u_LightRadius,
 	public u_LightScale,
 	public u_LightAttenuationMatrix,
@@ -2447,6 +2449,7 @@ class GLShader_forwardLighting_directionalSun :
 	public u_ViewOrigin,
 	public u_LightDir,
 	public u_LightColor,
+	public u_InverseLightFactor,
 	public u_LightRadius,
 	public u_LightScale,
 	public u_LightAttenuationMatrix,

src/engine/renderer/glsl_source/forwardLighting_fp.glsl

@@ -65,6 +65,7 @@ uniform vec3		u_LightDir;
 uniform vec3		u_LightOrigin;
 #endif
 uniform vec3		u_LightColor;
+uniform float u_InverseLightFactor;
 uniform float		u_LightRadius;
 uniform float       u_LightScale;
 uniform float		u_AlphaThreshold;
@@ -1006,6 +1007,7 @@ void	main()
 	color.rgb *= attenuationZ;
 #endif
 	color.rgb *= abs(u_LightScale);
+	color.rgb *= u_InverseLightFactor;
 	color.rgb *= shadow;
 
 	color.rgb *= var_Color.rgb;

src/engine/renderer/tr_scene.cpp

@@ -429,8 +429,11 @@ void RE_AddDynamicLightToSceneET( const vec3_t org, float radius, float intensit
 	light->l.color[ 1 ] = g;
 	light->l.color[ 2 ] = b;
 
-	// Cancel overBright on dynamic lights.
-	VectorScale( light->l.color, tr.mapInverseLightFactor, light->l.color );
+	if ( r_dynamicLightRenderer.Get() == Util::ordinal( dynamicLightRenderer_t::TILED ) )
+	{
+		// Cancel overBright on dynamic lights.
+		VectorScale( light->l.color, tr.mapInverseLightFactor, light->l.color );
+	}
 
 	light->l.inverseShadows = (flags & REF_INVERSE_DLIGHT) != 0;
 	light->l.noShadows = !r_dynamicLightCastShadows->integer && !light->l.inverseShadows;

src/engine/renderer/tr_shade.cpp

@@ -1335,6 +1335,9 @@ static void Render_forwardLighting_DBS_omni( shaderStage_t *pStage,
 
 	gl_forwardLightingShader_omniXYZ->SetUniform_AlphaTest( pStage->stateBits );
 
+	// u_InverseLightFactor
+	gl_forwardLightingShader_omniXYZ->SetUniform_InverseLightFactor( tr.mapInverseLightFactor );
+
 	// bind u_HeightMap
 	if ( pStage->enableReliefMapping )
 	{
@@ -1497,6 +1500,9 @@ static void Render_forwardLighting_DBS_proj( shaderStage_t *pStage,
 
 	gl_forwardLightingShader_projXYZ->SetUniform_AlphaTest( pStage->stateBits );
 
+	// u_InverseLightFactor
+	gl_forwardLightingShader_projXYZ->SetUniform_InverseLightFactor( tr.mapInverseLightFactor );
+
 	// bind u_HeightMap
 	if ( pStage->enableReliefMapping )
 	{
@@ -1658,6 +1664,9 @@ static void Render_forwardLighting_DBS_directional( shaderStage_t *pStage, trRef
 
 	gl_forwardLightingShader_directionalSun->SetUniform_AlphaTest( pStage->stateBits );
 
+	// u_InverseLightFactor
+	gl_forwardLightingShader_directionalSun->SetUniform_InverseLightFactor( tr.mapInverseLightFactor );
+
 	// bind u_HeightMap
 	if ( pStage->enableReliefMapping )
 	{