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DRW: Selection: Extend small object selection workaround to all overlays 

Fix T77015 box select doesnt select cameras when zoomed out, lasso and circle select do work.
This commit is contained in:
Clément Foucault 2020-05-25 19:35:07 +02:00
parent 4a9a8611f2
commit 39aa122a0e
Notes: blender-bot 2023-02-14 10:21:15 +01:00 
Referenced by issue #77335, Circle Select tool selects faces perpendicular to the view.
Referenced by issue #77130, Visually broken/stepped wireframe in object mode (regression)
Referenced by issue #77015, box select doesnt select cameras when zoomed out, lasso and circle select do work.
2 changed files with 10 additions and 0 deletions
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5
source/blender/draw/engines/overlay/shaders/extra_vert.glsl
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@ -221,6 +221,11 @@ void main()
/* Convert to screen position [0..sizeVp]. */
edgePos = edgeStart = ((gl_Position.xy / gl_Position.w) * 0.5 + 0.5) * sizeViewport.xy;
/* HACK: to avoid loosing sub pixel object in selections, we add a bit of randomness to the
* wire to at least create one fragment that will pass the occlusion query. */
/* TODO(fclem) Limit this workaround to selection. It's not very noticeable but still... */
gl_Position.xy += sizeViewportInv.xy * gl_Position.w * ((gl_VertexID % 2 == 0) ? -1.0 : 1.0);
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_calc_clip_distance(world_pos);
#endif

5
source/blender/draw/engines/overlay/shaders/extra_wire_vert.glsl
View File

@ -17,6 +17,11 @@ void main()
vec3 world_pos = point_object_to_world(pos);
gl_Position = point_world_to_ndc(world_pos);
/* HACK: to avoid loosing sub pixel object in selections, we add a bit of randomness to the
* wire to at least create one fragment that will pass the occlusion query. */
/* TODO(fclem) Limit this workaround to selection. It's not very noticeable but still... */
gl_Position.xy += sizeViewportInv.xy * gl_Position.w * ((gl_VertexID % 2 == 0) ? -1.0 : 1.0);
stipple_coord = stipple_start = screen_position(gl_Position);
#ifdef OBJECT_WIRE