[Bf-blender-cvs] [314739bceda] blender2.8: Eevee: Shadow: Fix Incorrect shadowing after sun lamp far clip plane.

[Clément Foucault]

Commit: 314739bcedae3db58103e29817f1de216581704d
Author: Clément Foucault
Date:   Fri Sep 8 20:22:50 2017 +0200
Branches: blender2.8
https://developer.blender.org/rB314739bcedae3db58103e29817f1de216581704d

Eevee: Shadow: Fix Incorrect shadowing after sun lamp far clip plane.

Reject cascade sample if not in shadowmap volume.

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M	source/blender/draw/engines/eevee/shaders/lamps_lib.glsl

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diff --git a/source/blender/draw/engines/eevee/shaders/lamps_lib.glsl b/source/blender/draw/engines/eevee/shaders/lamps_lib.glsl
index 8e4d0cb548b..6623c9526b0 100644
--- a/source/blender/draw/engines/eevee/shaders/lamps_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/lamps_lib.glsl
@@ -83,6 +83,9 @@ float evaluate_cascade(ShadowData sd, mat4 shadowmat, vec3 W, float range, float
 	vec4 shpos = shadowmat * vec4(W, 1.0);
 	float dist = shpos.z * range;
 
+	if (shpos.z > 1.0 || shpos.z < 0.0)
+		return 1.0;
+
 #if defined(SHADOW_VSM)
 	vec2 moments = texture(shadowTexture, vec3(shpos.xy, texid)).rg;
 #else