[Bf-blender-cvs] [97a3fa1] master: Cleanup: Remove some more BVH cache code, for reading/writing the cache.

[Thomas Dinges]

Commit: 97a3fa17d6bb959b3b3c78e5628ca90a98fd827d
Author: Thomas Dinges
Date:   Thu Sep 24 16:49:10 2015 +0200
Branches: master
https://developer.blender.org/rB97a3fa17d6bb959b3b3c78e5628ca90a98fd827d

Cleanup: Remove some more BVH cache code, for reading/writing the cache.

===================================================================

M       intern/cycles/bvh/bvh.cpp
M       intern/cycles/bvh/bvh.h

===================================================================

diff --git a/intern/cycles/bvh/bvh.cpp b/intern/cycles/bvh/bvh.cpp
index c8c8854..4a5f8b1 100644
--- a/intern/cycles/bvh/bvh.cpp
+++ b/intern/cycles/bvh/bvh.cpp
@@ -25,7 +25,6 @@
 #include "bvh_node.h"
 #include "bvh_params.h"
 
-#include "util_cache.h"
 #include "util_debug.h"
 #include "util_foreach.h"
 #include "util_logging.h"
@@ -70,104 +69,12 @@ BVH *BVH::create(const BVHParams& params, const 
vector<Object*>& objects)
                return new RegularBVH(params, objects);
 }
 
-/* Cache */
-
-bool BVH::cache_read(CacheData& key)
-{
-       key.add(system_cpu_bits());
-       key.add(&params, sizeof(params));
-
-       foreach(Object *ob, objects) {
-               Mesh *mesh = ob->mesh;
-
-               key.add(mesh->verts);
-               key.add(mesh->triangles);
-               key.add(mesh->curve_keys);
-               key.add(mesh->curves);
-               key.add(&ob->bounds, sizeof(ob->bounds));
-               key.add(&ob->visibility, sizeof(ob->visibility));
-               key.add(&mesh->transform_applied, sizeof(bool));
-
-               if(mesh->use_motion_blur) {
-                       Attribute *attr = 
mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
-                       if(attr)
-                               key.add(attr->buffer);
-
-                       attr = 
mesh->curve_attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
-                       if(attr)
-                               key.add(attr->buffer);
-               }
-       }
-
-       CacheData value;
-
-       if(Cache::global.lookup(key, value)) {
-
-               if(!(value.read(pack.root_index) &&
-                    value.read(pack.SAH) &&
-                    value.read(pack.nodes) &&
-                    value.read(pack.leaf_nodes) &&
-                    value.read(pack.object_node) &&
-                    value.read(pack.tri_woop) &&
-                    value.read(pack.prim_type) &&
-                    value.read(pack.prim_visibility) &&
-                    value.read(pack.prim_index) &&
-                    value.read(pack.prim_object)))
-               {
-                       /* Clear the pack if load failed. */
-                       pack.root_index = 0;
-                       pack.SAH = 0.0f;
-                       pack.nodes.clear();
-                       pack.leaf_nodes.clear();
-                       pack.object_node.clear();
-                       pack.tri_woop.clear();
-                       pack.prim_type.clear();
-                       pack.prim_visibility.clear();
-                       pack.prim_index.clear();
-                       pack.prim_object.clear();
-                       return false;
-               }
-               return true;
-       }
-
-       return false;
-}
-
-void BVH::cache_write(CacheData& key)
-{
-       CacheData value;
-
-       value.add(pack.root_index);
-       value.add(pack.SAH);
-
-       value.add(pack.nodes);
-       value.add(pack.leaf_nodes);
-       value.add(pack.object_node);
-       value.add(pack.tri_woop);
-       value.add(pack.prim_type);
-       value.add(pack.prim_visibility);
-       value.add(pack.prim_index);
-       value.add(pack.prim_object);
-
-       Cache::global.insert(key, value);
-}
-
 /* Building */
 
 void BVH::build(Progress& progress)
 {
        progress.set_substatus("Building BVH");
 
-       /* cache read */
-       CacheData key("bvh");
-
-       if(params.use_cache) {
-               progress.set_substatus("Looking in BVH cache");
-
-               if(cache_read(key))
-                       return;
-       }
-
        /* build nodes */
        BVHBuild bvh_build(objects,
                           pack.prim_type,
@@ -206,14 +113,6 @@ void BVH::build(Progress& progress)
 
        /* free build nodes */
        root->deleteSubtree();
-
-       if(progress.get_cancel()) return;
-
-       /* cache write */
-       if(params.use_cache) {
-               progress.set_substatus("Writing BVH cache");
-               cache_write(key);
-       }
 }
 
 /* Refitting */
diff --git a/intern/cycles/bvh/bvh.h b/intern/cycles/bvh/bvh.h
index 0ee5a30..272a3fa 100644
--- a/intern/cycles/bvh/bvh.h
+++ b/intern/cycles/bvh/bvh.h
@@ -29,7 +29,6 @@ class BVHNode;
 struct BVHStackEntry;
 class BVHParams;
 class BoundBox;
-class CacheData;
 class LeafNode;
 class Object;
 class Progress;
@@ -96,10 +95,6 @@ public:
 protected:
        BVH(const BVHParams& params, const vector<Object*>& objects);
 
-       /* cache */
-       bool cache_read(CacheData& key);
-       void cache_write(CacheData& key);
-
        /* triangles and strands*/
        void pack_primitives();
        void pack_triangle(int idx, float4 woop[3]);

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