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Fix T92750: sculpt vertex colors missing in object mode 

The layers were not aliased properly for usage in the shaders.

Regression caused by rB03013d19d167.
This commit is contained in:
Kévin Dietrich 2021-11-15 02:38:52 +01:00
parent 0a6f428be7
commit 622e6f05f1
Notes: blender-bot 2023-02-14 08:49:53 +01:00 
Referenced by issue #93123, Massive lag when enabling Viewport Shading -> Color -> Vertex and using Sculpt Vertex Colors
Referenced by issue #92750, Regression: Sculpt Vertex Colors shown as black
1 changed files with 12 additions and 0 deletions
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12
source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc
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@ -172,6 +172,18 @@ static void init_vbo_for_attribute(const MeshRenderData *mr,
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
GPU_vertformat_attr_add(&format, attr_name, comp_type, comp_size, fetch_mode);
/* Ensure Sculpt Vertex Colors are properly aliased. */
if (request.cd_type == CD_PROP_COLOR && request.domain == ATTR_DOMAIN_POINT) {
CustomData *cd_vdata = get_custom_data_for_domain(mr, ATTR_DOMAIN_POINT);
if (request.layer_index == CustomData_get_render_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "c");
}
if (request.layer_index == CustomData_get_active_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "ac");
}
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, static_cast<uint32_t>(mr->loop_len));
}