From dfadf18659fc6252b745b83ceb185a55dea4a2c7 Mon Sep 17 00:00:00 2001
From: Thomas Dinges <blender@dingto.org>
Date: Thu, 24 Sep 2015 15:47:27 +0200
Subject: Cleanup: Remove some underlying code for the BVH disk cache.

Notes:
- There is still some bvh cache code, but that is from the engines initial commit, we might clean this up further or keep it.
- Changes in util_cache.h/.c are kept, this might be re-used in the future.
---
 intern/cycles/bvh/bvh.cpp     | 25 -------------------------
 intern/cycles/bvh/bvh.h       |  4 ----
 intern/cycles/render/mesh.cpp |  2 --
 3 files changed, 31 deletions(-)

(limited to 'intern')

diff --git a/intern/cycles/bvh/bvh.cpp b/intern/cycles/bvh/bvh.cpp
index 350ca16f6e2..c8c885487e4 100644
--- a/intern/cycles/bvh/bvh.cpp
+++ b/intern/cycles/bvh/bvh.cpp
@@ -102,7 +102,6 @@ bool BVH::cache_read(CacheData& key)
 	CacheData value;
 
 	if(Cache::global.lookup(key, value)) {
-		cache_filename = key.get_filename();
 
 		if(!(value.read(pack.root_index) &&
 		     value.read(pack.SAH) &&
@@ -151,26 +150,6 @@ void BVH::cache_write(CacheData& key)
 	value.add(pack.prim_object);
 
 	Cache::global.insert(key, value);
-
-	cache_filename = key.get_filename();
-}
-
-void BVH::clear_cache_except()
-{
-	set<string> except;
-
-	if(!cache_filename.empty())
-		except.insert(cache_filename);
-
-	foreach(Object *ob, objects) {
-		Mesh *mesh = ob->mesh;
-		BVH *bvh = mesh->bvh;
-
-		if(bvh && !bvh->cache_filename.empty())
-			except.insert(bvh->cache_filename);
-	}
-
-	Cache::global.clear_except("bvh", except);
 }
 
 /* Building */
@@ -234,10 +213,6 @@ void BVH::build(Progress& progress)
 	if(params.use_cache) {
 		progress.set_substatus("Writing BVH cache");
 		cache_write(key);
-
-		/* clear other bvh files from cache */
-		if(params.top_level)
-			clear_cache_except();
 	}
 }
 
diff --git a/intern/cycles/bvh/bvh.h b/intern/cycles/bvh/bvh.h
index 669d2ccdcd5..0ee5a309dc8 100644
--- a/intern/cycles/bvh/bvh.h
+++ b/intern/cycles/bvh/bvh.h
@@ -20,7 +20,6 @@
 
 #include "bvh_params.h"
 
-#include "util_string.h"
 #include "util_types.h"
 #include "util_vector.h"
 
@@ -87,7 +86,6 @@ public:
 	PackedBVH pack;
 	BVHParams params;
 	vector<Object*> objects;
-	string cache_filename;
 
 	static BVH *create(const BVHParams& params, const vector<Object*>& objects);
 	virtual ~BVH() {}
@@ -95,8 +93,6 @@ public:
 	void build(Progress& progress);
 	void refit(Progress& progress);
 
-	void clear_cache_except();
-
 protected:
 	BVH(const BVHParams& params, const vector<Object*>& objects);
 
diff --git a/intern/cycles/render/mesh.cpp b/intern/cycles/render/mesh.cpp
index 45685fe5927..57f194651f8 100644
--- a/intern/cycles/render/mesh.cpp
+++ b/intern/cycles/render/mesh.cpp
@@ -513,7 +513,6 @@ void Mesh::compute_bvh(SceneParams *params, Progress *progress, int n, int total
 			progress->set_status(msg, "Building BVH");
 
 			BVHParams bparams;
-			bparams.use_cache = params->use_bvh_cache;
 			bparams.use_spatial_split = params->use_bvh_spatial_split;
 			bparams.use_qbvh = params->use_qbvh;
 
@@ -1084,7 +1083,6 @@ void MeshManager::device_update_bvh(Device *device, DeviceScene *dscene, Scene *
 	bparams.top_level = true;
 	bparams.use_qbvh = scene->params.use_qbvh;
 	bparams.use_spatial_split = scene->params.use_bvh_spatial_split;
-	bparams.use_cache = scene->params.use_bvh_cache;
 
 	delete bvh;
 	bvh = BVH::create(bparams, scene->objects);
-- 
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