diff options
Diffstat (limited to 'source/blender/render')
| -rw-r--r-- | source/blender/render/intern/source/pipeline.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source/blender/render/intern/source/pipeline.c b/source/blender/render/intern/source/pipeline.c index 2c90110b458..d2b47a7bf4d 100644 --- a/source/blender/render/intern/source/pipeline.c +++ b/source/blender/render/intern/source/pipeline.c @@ -1355,6 +1355,19 @@ static int composite_needs_render(Scene *sce, int this_scene) return 0; } +static bool rlayer_node_uses_alpha(bNodeTree *ntree, bNode *node) +{ + bNodeSocket *sock; + + for (sock = node->outputs.first; sock; sock = sock->next) { + /* Weak! but how to make it better? */ + if (!strcmp(sock->name, "Alpha") && nodeCountSocketLinks(ntree, sock) > 0) + return true; + } + + return false; +} + static void tag_scenes_for_render(Render *re) { bNode *node; @@ -1372,6 +1385,21 @@ static void tag_scenes_for_render(Render *re) for (node = re->scene->nodetree->nodes.first; node; node = node->next) { if (node->type == CMP_NODE_R_LAYERS) { if (node->id) { + if (!MAIN_VERSION_ATLEAST(re->main, 265, 5)) { + if (rlayer_node_uses_alpha(re->scene->nodetree, node)) { + Scene *scene = (Scene*) node->id; + + if (scene->r.alphamode != R_ALPHAPREMUL) { + BKE_reportf(re->reports, RPT_WARNING, "Setting scene %s alpha mode to Premul\n", scene->id.name + 2); + + /* also print, so feedback is immediate */ + printf("2.66 versioning fix: setting scene %s alpha mode to Premul\n", scene->id.name + 2); + + scene->r.alphamode = R_ALPHAPREMUL; + } + } + } + if (node->id != (ID *)re->scene) node->id->flag |= LIB_DOIT; } |