[Bf-blender-cvs] [d357e7b0653] master: Fix T68826 Eevee: Multi-Mat not working if switching from Solid shading
Clément Foucault
noreply at git.blender.org
Wed Aug 21 15:54:12 CEST 2019
Commit: d357e7b0653588d5fb85deec270464778a252406
Author: Clément Foucault
Date: Wed Aug 21 15:53:57 2019 +0200
Branches: master
https://developer.blender.org/rBd357e7b0653588d5fb85deec270464778a252406
Fix T68826 Eevee: Multi-Mat not working if switching from Solid shading
The correct fix would be to avoid all those hacks but this is needed if
we want to be able to parallelize object vbo extractions.
===================================================================
M source/blender/draw/intern/draw_cache_impl_mesh.c
===================================================================
diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c
index 884d39343c6..3bf9a03ddeb 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -1088,6 +1088,25 @@ void DRW_mesh_batch_cache_create_requested(
}
}
+ /* HACK: if MBC_SURF_PER_MAT is requested and ibo.tris is already available, it won't have it's
+ * index ranges initialized. So discard ibo.tris in order to recreate it. */
+ if ((batch_requested & MBC_SURF_PER_MAT) != 0 && (cache->batch_ready & MBC_SURF_PER_MAT) == 0) {
+ FOREACH_MESH_BUFFER_CACHE(cache, mbuffercache)
+ {
+ GPU_INDEXBUF_DISCARD_SAFE(mbuffercache->ibo.tris);
+ }
+ /* Clear all batches that reference ibo.tris. */
+ GPU_BATCH_CLEAR_SAFE(cache->batch.surface);
+ GPU_BATCH_CLEAR_SAFE(cache->batch.surface_weights);
+ GPU_BATCH_CLEAR_SAFE(cache->batch.edit_mesh_analysis);
+ GPU_BATCH_CLEAR_SAFE(cache->batch.edit_triangles);
+ GPU_BATCH_CLEAR_SAFE(cache->batch.edit_lnor);
+ GPU_BATCH_CLEAR_SAFE(cache->batch.edit_selection_faces);
+
+ cache->batch_ready &= ~(MBC_SURFACE | MBC_SURFACE_WEIGHTS | MBC_EDIT_MESH_ANALYSIS |
+ MBC_EDIT_TRIANGLES | MBC_EDIT_LNOR | MBC_EDIT_SELECTION_FACES);
+ }
+
/* Second chance to early out */
if ((batch_requested & ~cache->batch_ready) == 0) {
#ifdef DEBUG
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