[Bf-blender-cvs] [8b3524c] master: Fix T37486: Displacement bake from multires crashes when preview level is on 0
Sergey Sharybin
noreply at git.blender.org
Mon Nov 18 08:09:19 CET 2013
Commit: 8b3524c215fc8ab2a020d1914742a8fe576d8fae
Author: Sergey Sharybin
Date: Mon Nov 18 13:05:57 2013 +0600
http://developer.blender.org/rB8b3524c215fc8ab2a020d1914742a8fe576d8fae
Fix T37486: Displacement bake from multires crashes when preview level is on 0
Revert "Code cleanup: remove unused block from multire baker"
This reverts commit 63b01f6beee8eced14ff013ca93732f5c176ad10.
Multires displacement baker in fact uses level 0 for the
original subdivided mesh. Missed this when was making an
original commit.
===================================================================
M source/blender/render/intern/source/multires_bake.c
===================================================================
diff --git a/source/blender/render/intern/source/multires_bake.c b/source/blender/render/intern/source/multires_bake.c
index a920306..3ae075b 100644
--- a/source/blender/render/intern/source/multires_bake.c
+++ b/source/blender/render/intern/source/multires_bake.c
@@ -611,9 +611,6 @@ static void get_ccgdm_data(DerivedMesh *lodm, DerivedMesh *hidm,
float crn_x, crn_y;
int grid_size, S, face_side;
int *grid_offset, g_index;
- int side, grid_index, loc_offs, cell_index, cell_side, row, col;
-
- BLI_assert(lvl > 0);
lodm->getTessFace(lodm, face_index, &mface);
@@ -624,19 +621,25 @@ static void get_ccgdm_data(DerivedMesh *lodm, DerivedMesh *hidm,
face_side = (grid_size << 1) - 1;
- side = (1 << (lvl - 1)) + 1;
- grid_index = DM_origindex_mface_mpoly(index_mf_to_mpoly, index_mp_to_orig, face_index);
- loc_offs = face_index % (1 << (2 * lvl));
- cell_index = loc_offs % ((side - 1) * (side - 1));
- cell_side = (grid_size - 1) / (side - 1);
- row = cell_index / (side - 1);
- col = cell_index % (side - 1);
-
- S = face_index / (1 << (2 * (lvl - 1))) - grid_offset[grid_index];
- g_index = grid_offset[grid_index];
-
- crn_y = (row * cell_side) + u * cell_side;
- crn_x = (col * cell_side) + v * cell_side;
+ if (lvl == 0) {
+ g_index = grid_offset[face_index];
+ S = mdisp_rot_face_to_crn(mface.v4 ? 4 : 3, face_side, u * (face_side - 1), v * (face_side - 1), &crn_x, &crn_y);
+ }
+ else {
+ int side = (1 << (lvl - 1)) + 1;
+ int grid_index = DM_origindex_mface_mpoly(index_mf_to_mpoly, index_mp_to_orig, face_index);
+ int loc_offs = face_index % (1 << (2 * lvl));
+ int cell_index = loc_offs % ((side - 1) * (side - 1));
+ int cell_side = (grid_size - 1) / (side - 1);
+ int row = cell_index / (side - 1);
+ int col = cell_index % (side - 1);
+
+ S = face_index / (1 << (2 * (lvl - 1))) - grid_offset[grid_index];
+ g_index = grid_offset[grid_index];
+
+ crn_y = (row * cell_side) + u * cell_side;
+ crn_x = (col * cell_side) + v * cell_side;
+ }
CLAMP(crn_x, 0.0f, grid_size);
CLAMP(crn_y, 0.0f, grid_size);
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