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author | Clément Foucault <foucault.clem@gmail.com> | 2018-11-06 22:52:06 +0300 |
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committer | Clément Foucault <foucault.clem@gmail.com> | 2018-11-07 02:19:14 +0300 |
commit | 1fe561e6623697d6d2f3f0e22dd609109ee65261 (patch) | |
tree | 43a74172b8230bbeabb002ed6b49ae457672e531 /source/blender/gpu/shaders | |
parent | c3a0af736a4f6db5b3310cca947bfb103fd2cde2 (diff) |
Eevee: Wireframe: Increase precision a bit
Take the full derivative and compute its length instead of using fwidth.
Diffstat (limited to 'source/blender/gpu/shaders')
-rw-r--r-- | source/blender/gpu/shaders/gpu_shader_material.glsl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl index 4039b20a082..e5740babebc 100644 --- a/source/blender/gpu/shaders/gpu_shader_material.glsl +++ b/source/blender/gpu/shaders/gpu_shader_material.glsl @@ -1445,7 +1445,10 @@ void node_wireframe_screenspace(float size, vec2 barycentric, out float fac) barys.z = 1.0 - barycentric.x - barycentric.y; size *= (1.0 / 3.0); - vec3 deltas = fwidth(barys); + vec3 dx = dFdx(barys); + vec3 dy = dFdy(barys); + vec3 deltas = sqrt(dx * dx + dy * dy); + vec3 s = step(-deltas * size, -barys); fac = max(s.x, max(s.y, s.z)); |