Additional fix in glsl shaders: "Darken" was using different formula as render.

"Divide" still differs too for division by zero - cannot find this yet...

1 files changed, 3 insertions, 4 deletions

diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl
index c6b0a758208..e89be91c89a 100644
--- a/source/blender/gpu/shaders/gpu_shader_material.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_material.glsl
@@ -888,11 +888,11 @@ void mtex_rgb_dark(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 in
 	fact *= facg;
 	facm = 1.0-fact;
 
-	col = fact*texcol.r;
+	col= texcol.r + ((1.0 -texcol.r)*facm);
 	if(col < outcol.r) incol.r = col; else incol.r = outcol.r;
-	col = fact*texcol.g;
+	col= texcol.g + ((1.0 -texcol.g)*facm);
 	if(col < outcol.g) incol.g = col; else incol.g = outcol.g;
-	col = fact*texcol.b;
+	col= texcol.b + ((1.0 -texcol.b)*facm);
 	if(col < outcol.b) incol.b = col; else incol.b = outcol.b;
 }
 
@@ -901,7 +901,6 @@ void mtex_rgb_light(vec3 outcol, vec3 texcol, float fact, float facg, out vec3 i
 	float facm, col;
 
 	fact *= facg;
-	facm = 1.0-fact;
 
 	col = fact*texcol.r;
 	if(col > outcol.r) incol.r = col; else incol.r = outcol.r;