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authorClément Foucault <foucault.clem@gmail.com>2019-06-04 19:39:48 +0300
committerClément Foucault <foucault.clem@gmail.com>2019-06-04 19:42:50 +0300
commit4ddc8403148f3d2e7a2d1385328cf64429c48f2b (patch)
treeabc539fa1d0fe2a1b64b86f89125728a92802c96 /source/blender
parent942a748d5d5d3d03c09ae2b0b0767f1b1eb16147 (diff)
Fix T65378 Eevee: Glitches in ESM shadowmapping
This happen to be a NaN caused by an infinite sum in the shadow copy shader.
Diffstat (limited to 'source/blender')
-rw-r--r--source/blender/draw/engines/eevee/shaders/shadow_copy_frag.glsl4
1 files changed, 2 insertions, 2 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/shadow_copy_frag.glsl b/source/blender/draw/engines/eevee/shaders/shadow_copy_frag.glsl
index dd24288b4b9..54f7dc10222 100644
--- a/source/blender/draw/engines/eevee/shaders/shadow_copy_frag.glsl
+++ b/source/blender/draw/engines/eevee/shaders/shadow_copy_frag.glsl
@@ -194,6 +194,6 @@ void main()
#ifdef ESM
accum = ln_space_prefilter_finalize(ref, accum);
#endif
-
- FragColor = vec2(accum).xyxy;
+ /* Clamp infinite sum. */
+ FragColor = vec2(clamp(accum, 0.0, 1e16)).xyxy;
}