Merge pull request #34519 from MadEqua/fix-contact-shadows

Fix contact shadow when light is outside of viewport.

Merge pull request #34519 from MadEqua/fix-contact-shadows
34ddb7ac · Rémi Verschelde · GitHub · 58c07f27 · d7f9d71b · 34ddb7ac
Unverified Commit 34ddb7ac authored Dec 21, 2019 by Rémi Verschelde Committed by GitHub Dec 21, 2019
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scene.glsl drivers/gles3/shaders/scene.glsl +4 -0

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--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -897,6 +897,7 @@ float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
 		bias += incr * 2.0;

 		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
 			float depth = texture(depth_buffer, uv_depth.xy).r;

 			if (depth < uv_depth.z) {
@@ -909,6 +910,9 @@ float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {

 			ratio += ratio_incr;
 			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
 	}

 	return 1.0;