Geometry Nodes: dim links whose start and end sockets are not visible

This makes node trees with long links that cross other nodes easier to work with.
Dimmed links will be ignored by various modal operators like cut and reroute insertion.

Differential Revision: https://developer.blender.org/D11813

1 files changed, 4 insertions, 0 deletions

diff --git a/source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl b/source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl
index 9ce2a1be015..aae7f641af8 100644
--- a/source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl
@@ -18,6 +18,7 @@ in vec2 P2;
 in vec2 P3;
 in ivec4 colid_doarrow;
 in ivec2 domuted;
+in float dim_factor;
 
 uniform vec4 colors[6];
 
@@ -39,6 +40,7 @@ uniform vec2 bezierPts[4];
 uniform vec4 colors[3];
 uniform bool doArrow;
 uniform bool doMuted;
+uniform float dim_factor;
 
 #  define colShadow colors[0]
 #  define colStart colors[1]
@@ -98,6 +100,8 @@ void main(void)
     }
   }
 
+  finalColor[3] *= dim_factor;
+
   /* Expand into a line */
   gl_Position.xy += exp_axis * expandSize * expand_dist;