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Workbench: Fix premultiply alpha issue in transparent material

This commit is contained in:
Clément Foucault 2020-02-13 01:24:40 +01:00
parent a40d9ce553
commit d051dd01ed
2 changed files with 3 additions and 2 deletions
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3
source/blender/draw/engines/workbench/shaders/workbench_forward_composite_frag.glsl
View File

@ -25,7 +25,8 @@ void main()
vec3 trans_color = trans_accum.rgb / clamp(trans_accum.a, 1e-4, 5e4);
fragColor = vec4(trans_color, 1.0 - trans_revealage);
fragColor.a = 1.0 - trans_revealage;
fragColor.rgb = trans_color * fragColor.a;
#ifdef V3D_SHADING_OBJECT_OUTLINE
uint object_id = texelFetch(objectId, texel, 0).r;

2
source/blender/draw/engines/workbench/workbench_deferred.c
View File

@ -827,7 +827,7 @@ void workbench_deferred_cache_init(WORKBENCH_Data *vedata)
}
/* OIT Composite */
{
int state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA;
int state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL;
psl->oit_composite_pass = DRW_pass_create("OIT Composite", state);
grp = DRW_shgroup_create(e_data.oit_resolve_sh, psl->oit_composite_pass);