diff options
| author | Clément Foucault <foucault.clem@gmail.com> | 2020-10-16 13:56:33 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2020-10-16 13:56:57 +0300 |
| commit | 14f490b932ad7b2009563c9ee21103b93143d0bb (patch) | |
| tree | 6eb6f1dd9965c7e7cd6e54a5fcffabc928129d20 /source/blender/draw/engines | |
| parent | eb55ca72f4e6073139d019c62da700fff6bc60f8 (diff) | |
EEVEE: SSR: Fix unreported smoothstep instability when border factor is 0
From the GLSL documentation: `Results are undefined if edge0 ≥ edge1.`
This is the case without this patch.
Diffstat (limited to 'source/blender/draw/engines')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl index 39db39f8756..06a7def532f 100644 --- a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl @@ -258,7 +258,7 @@ float screen_border_mask(vec2 hit_co) { const float margin = 0.003; float atten = ssrBorderFac + margin; /* Screen percentage */ - hit_co = smoothstep(margin, atten, hit_co) * (1 - smoothstep(1.0 - atten, 1.0 - margin, hit_co)); + hit_co = smoothstep(0.0, atten, hit_co) * (1.0 - smoothstep(1.0 - atten, 1.0, hit_co)); float screenfade = hit_co.x * hit_co.y; |