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Fix T72547 Wireframe overlay clipping issues 

The view vector was not correct in orthographic view.

Also reduce the curvature bias a little.
This commit is contained in:
Clément Foucault 2020-01-14 13:07:39 +01:00
parent 29ab2386c0
commit fca069a705
Notes: blender-bot 2023-02-14 02:22:13 +01:00 
Referenced by issue #72547, Wireframe overlay clipping issues
1 changed files with 2 additions and 2 deletions
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4
source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl
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@ -105,7 +105,7 @@ void main()
vec3 wnor = normalize(normal_object_to_world(nor));
bool is_persp = (ProjectionMatrix[3][3] == 0.0);
vec3 V = (is_persp) ? normalize(ViewMatrixInverse[3].xyz - wpos) : ViewMatrix[2].xyz;
vec3 V = (is_persp) ? normalize(ViewMatrixInverse[3].xyz - wpos) : ViewMatrixInverse[2].xyz;
float facing = dot(wnor, V);
float facing_ratio = clamp(1.0 - facing * facing, 0.0, 1.0);
@ -120,7 +120,7 @@ void main()
gl_Position.xy += wofs.xy * sizeViewportInv.xy * gl_Position.w;
/* Push the vertex towards the camera. Helps a bit. */
gl_Position.z -= facing_ratio * curvature * 1e-4;
gl_Position.z -= facing_ratio * curvature * 4.0e-5;
/* Convert to screen position [0..sizeVp]. */
edgeStart = ((gl_Position.xy / gl_Position.w) * 0.5 + 0.5) * sizeViewport.xy;