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Fix #157328: Grease Pencil: Dot depth problem with placement modes

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The problem was that the z value of the dots were not calculated for the
new dot placement modes.

We also pre-divide the homogeneous coordinates before setting the z.

Co-authored-by: Falk David <falk@blender.org>
Pull Request: https://projects.blender.org/blender/blender/pulls/157498
This commit is contained in:
Casey Bianco-Davis 2026-04-17 13:47:52 +02:00 • committed by Falk David
parent 3581d96afb
commit 107c81827d
7 changed files with 21 additions and 0 deletions
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3
source/blender/draw/intern/shaders/draw_grease_pencil_lib.glsl
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@ -628,6 +628,9 @@ float4 gpencil_vertex(float4 viewport_res,
out_ndc = dot_segment(float2(x, y), ss1, ss2, is_squares, viewport_res);
out_ndc /= out_ndc.w;
out_ndc.z = (use_curr) ? (ndc1.z / ndc1.w) : (ndc2.z / ndc2.w);
out_uv.x = (use_curr) ? uv1.z : uv2.z;
}
else if (is_dot && is_single_dot) {

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tests/files/render/grease_pencil/cycles_renders/grease_pencil_materials.png Normal file
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