Workbench: Shadows: Fix cap being clipped by far plane.

This was the last remaining problem with shadow volumes (that I know of).

Only extrude until we hit the far plane.

1 files changed, 2 insertions, 1 deletions

diff --git a/source/blender/draw/engines/workbench/shaders/workbench_shadow_vert.glsl b/source/blender/draw/engines/workbench/shaders/workbench_shadow_vert.glsl
index 3a61bf0a286..50a721f948f 100644
--- a/source/blender/draw/engines/workbench/shaders/workbench_shadow_vert.glsl
+++ b/source/blender/draw/engines/workbench/shaders/workbench_shadow_vert.glsl
@@ -3,6 +3,7 @@
 uniform mat4 ModelViewProjectionMatrix;
 
 uniform vec3 lightDirection = vec3(0.57, 0.57, -0.57);
+uniform float lightDistance = 1e4;
 
 in vec3 pos;
 
@@ -16,5 +17,5 @@ void main()
 {
 	vData.pos = pos;
 	vData.frontPosition = ModelViewProjectionMatrix * vec4(pos, 1.0);
-	vData.backPosition  = ModelViewProjectionMatrix * vec4(pos + lightDirection * INFINITE, 1.0);
+	vData.backPosition  = ModelViewProjectionMatrix * vec4(pos + lightDirection * lightDistance, 1.0);
 }