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Fix (unreported) UV shadow not drawing smooth 

When showing UV edges after modifiers [draw_uvs_shadow], these were never
drawn anti-aliased [in contrast to the 'main' UVs].

Also: they did not respect the new 'UV Opacity' setting.

Differential Revision: https://developer.blender.org/D7764
This commit is contained in:
Philipp Oeser 2020-05-18 10:41:02 +02:00
parent 675ba2073d
commit 30cbbccc60
Notes: blender-bot 2023-02-14 02:45:41 +01:00 
Referenced by commit 46c35dc283, Fix UV shadow drawing not respecting 'UV Opacity' setting
Referenced by commit 8c4965f86d, Fix build error after 30cbbccc60
1 changed files with 19 additions and 1 deletions
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20
source/blender/editors/uvedit/uvedit_draw.c
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@ -216,13 +216,14 @@ static void uvedit_get_batches(Object *ob,
}
}
static void draw_uvs_shadow(SpaceImage *UNUSED(sima),
static void draw_uvs_shadow(SpaceImage *sima,
const Scene *scene,
Object *obedit,
Depsgraph *depsgraph)
{
Object *ob_eval = DEG_get_evaluated_object(depsgraph, obedit);
Mesh *me = ob_eval->data;
const float overlay_alpha = sima->uv_opacity;
float col[4];
UI_GetThemeColor4fv(TH_UV_SHADOW, col);
@ -231,9 +232,26 @@ static void draw_uvs_shadow(SpaceImage *UNUSED(sima),
DRW_mesh_batch_cache_create_requested(ob_eval, me, scene, false, false);
if (edges) {
if (sima->flag & SI_SMOOTH_UV) {
GPU_line_smooth(true);
GPU_blend(true);
}
else if (overlay_alpha < 1.0f) {
GPU_blend(true);
}
col[3] = overlay_alpha;
GPU_batch_program_set_builtin(edges, GPU_SHADER_2D_UV_UNIFORM_COLOR);
GPU_batch_uniform_4fv(edges, "color", col);
GPU_batch_draw(edges);
if (sima->flag & SI_SMOOTH_UV) {
GPU_line_smooth(false);
GPU_blend(false);
}
else if (overlay_alpha < 1.0f) {
GPU_blend(false);
}
}
}