Commit: e2d3553343116f7bc35c32e6bd229d55d0e772c3
Author: YimingWu
Date: Thu Jul 4 14:56:11 2019 +0800
Branches: soc-2019-npr
https://developer.blender.org/rBe2d3553343116f7bc35c32e6bd229d55d0e772c3
LANPR: Fix GPU overflow prevention.
===================================================================
M source/blender/draw/engines/lanpr/lanpr_dpix.c
===================================================================
diff --git a/source/blender/draw/engines/lanpr/lanpr_dpix.c
b/source/blender/draw/engines/lanpr/lanpr_dpix.c
index 4e209868f6e..b707990546b 100644
--- a/source/blender/draw/engines/lanpr/lanpr_dpix.c
+++ b/source/blender/draw/engines/lanpr/lanpr_dpix.c
@@ -174,7 +174,7 @@ int lanpr_feed_atlas_data_obj(void *vedata,
int cache_total = lanpr_share.texture_size * lanpr_share.texture_size;
/* Don't overflow the cache. */
- if ((edge_count + begin_index + cache_total) < (cache_total - 1)) {
+ if ((edge_count + begin_index) > (cache_total - 1)) {
return begin_index;
}
@@ -290,7 +290,7 @@ int lanpr_feed_atlas_data_intersection_cache(void *vedata,
int cache_total = lanpr_share.texture_size * lanpr_share.texture_size;
/* Don't overflow the cache. */
- if ((rb->intersection_count + begin_index + cache_total) < (cache_total -
1)) {
+ if ((rb->intersection_count + begin_index) > (cache_total - 1)) {
return 0;
}
@@ -355,7 +355,7 @@ int lanpr_feed_atlas_trigger_preview_obj(void *vedata,
Object *ob, int begin_ind
int cache_total = lanpr_share.texture_size * lanpr_share.texture_size;
/* Don't overflow the cache. */
- if ((edge_count + begin_index + cache_total) < (cache_total - 1)) {
+ if ((edge_count + begin_index) > (cache_total - 1)) {
return begin_index;
}
@@ -427,7 +427,7 @@ void lanpr_create_atlas_intersection_preview(void *vedata,
int begin_index)
int cache_total = lanpr_share.texture_size * lanpr_share.texture_size;
/* Don't overflow the cache. */
- if ((rb->intersection_count + begin_index + cache_total) < (cache_total -
1)) {
+ if ((rb->intersection_count + begin_index) > (cache_total - 1)) {
return 0;
}
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