diff options
| author | Nick Hahn <nick.hahn@hotmail.de> | 2018-08-12 12:45:43 +0200 |
|---|---|---|
| committer | Nick Hahn <nick.hahn@hotmail.de> | 2018-08-12 12:45:43 +0200 |
| commit | 66eba18969587762044825922e4a761c393583a6 (patch) | |
| tree | d8502025640c924dd3a5938d49f4b2e67662103d | |
| parent | 64595f0f6ad2aab38fb14f85c077c6e147326624 (diff) | |
Fix handling of normals that approach 1
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 2 | ||||
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index 9251e21080..3e64c92e96 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -526,7 +526,7 @@ FRAGMENT_SHADER_CODE #if defined(ENABLE_NORMALMAP) normalmap.xy = normalmap.xy * 2.0 - 1.0; - normalmap.z = sqrt(1.0 - dot(normalmap.xy, normalmap.xy)); + normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); // normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side; normal = normalmap; diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index dee8bcbc58..2d6f42679f 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -1700,7 +1700,7 @@ FRAGMENT_SHADER_CODE #if defined(ENABLE_NORMALMAP) normalmap.xy=normalmap.xy*2.0-1.0; - normalmap.z=sqrt(1.0-dot(normalmap.xy,normalmap.xy)); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc. + normalmap.z=sqrt(max(0.0, 1.0-dot(normalmap.xy,normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc. normal = normalize( mix(normal_interp,tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z,normaldepth) ) * side; |