[Bf-blender-cvs] [dbb1f56e553] master: Fix T77290: Crash displaying vertex colors in edit mode
Campbell Barton
noreply at git.blender.org
Wed Jun 3 17:54:42 CEST 2020
Commit: dbb1f56e5537d19faf6797ecea9cdc5e0b57f9e8
Author: Campbell Barton
Date: Thu Jun 4 01:52:33 2020 +1000
Branches: master
https://developer.blender.org/rBdbb1f56e5537d19faf6797ecea9cdc5e0b57f9e8
Fix T77290: Crash displaying vertex colors in edit mode
Regression from deaff945d0b9, follow logic from d98ae27f02c794a.
===================================================================
M source/blender/draw/intern/draw_cache_extract_mesh.c
===================================================================
diff --git a/source/blender/draw/intern/draw_cache_extract_mesh.c b/source/blender/draw/intern/draw_cache_extract_mesh.c
index 916ee9fe576..1abbff2ef4a 100644
--- a/source/blender/draw/intern/draw_cache_extract_mesh.c
+++ b/source/blender/draw/intern/draw_cache_extract_mesh.c
@@ -2149,9 +2149,17 @@ static void *extract_vcol_init(const MeshRenderData *mr, void *buf)
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
- CustomData *cd_ldata = &mr->me->ldata;
+ CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
uint32_t vcol_layers = mr->cache->cd_used.vcol;
+ /* HACK to fix T68857 */
+ if (mr->extract_type == MR_EXTRACT_BMESH && mr->cache->cd_used.edit_uv == 1) {
+ int layer = CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
+ if (layer != -1) {
+ vcol_layers |= (1 << layer);
+ }
+ }
+
for (int i = 0; i < 8; i++) {
if (vcol_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
@@ -2186,12 +2194,30 @@ static void *extract_vcol_init(const MeshRenderData *mr, void *buf)
gpuMeshVcol *vcol_data = (gpuMeshVcol *)vbo->data;
for (int i = 0; i < 8; i++) {
if (vcol_layers & (1 << i)) {
- MLoopCol *mcol = (MLoopCol *)CustomData_get_layer_n(cd_ldata, CD_MLOOPCOL, i);
- for (int l = 0; l < mr->loop_len; l++, mcol++, vcol_data++) {
- vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mcol->r]);
- vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mcol->g]);
- vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mcol->b]);
- vcol_data->a = unit_float_to_ushort_clamp(mcol->a * (1.0f / 255.0f));
+ if (mr->extract_type == MR_EXTRACT_BMESH) {
+ int cd_ofs = CustomData_get_n_offset(cd_ldata, CD_MLOOPCOL, i);
+ BMIter f_iter, l_iter;
+ BMFace *efa;
+ BMLoop *loop;
+ BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
+ BM_ITER_ELEM (loop, &l_iter, efa, BM_LOOPS_OF_FACE) {
+ const MLoopCol *mloopcol = BM_ELEM_CD_GET_VOID_P(loop, cd_ofs);
+ vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
+ vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
+ vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
+ vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
+ vcol_data++;
+ }
+ }
+ }
+ else {
+ const MLoopCol *mloopcol = (MLoopCol *)CustomData_get_layer_n(cd_ldata, CD_MLOOPCOL, i);
+ for (int l = 0; l < mr->loop_len; l++, mloopcol++, vcol_data++) {
+ vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
+ vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
+ vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
+ vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
+ }
}
}
}
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