Removed hard-coded traversal cost

gboisse · gboisse · commit 2da74e2d1c82 · 2018-01-19T18:56:47.000+01:00
diff --git a/RadeonRays/src/accelerator/bvh2.cpp b/RadeonRays/src/accelerator/bvh2.cpp
@@ -456,7 +456,7 @@ namespace RadeonRays
             auto rsa = mm_select(
                 aabb_surface_area(right_min[i], right_max[i]), 0);
 
-            auto s = static_cast<float>(kTraversalCost) + (lc * lsa + rc * rsa) * area_inv;
+            auto s = m_traversal_cost + (lc * lsa + rc * rsa) * area_inv;
 
             if (s < sah)
             {
diff --git a/RadeonRays/src/accelerator/bvh2.h b/RadeonRays/src/accelerator/bvh2.h
@@ -71,9 +71,7 @@ namespace RadeonRays
             // Threshold number of primitives to disable SAH split
             kMinSAHPrimitives = 32u,
             // Maximum stack size for non-parallel builds
-            kStackSize = 1024u,
-            // Traversal vs intersection cost ratio
-            kTraversalCost = 10u
+            kStackSize = 1024u
         };
 
         // Enum for node type

Original file line number	Diff line number	Diff line change
`@@ -456,7 +456,7 @@ namespace RadeonRays`
`456`	`456`	`auto rsa = mm_select(`
`457`	`457`	`aabb_surface_area(right_min[i], right_max[i]), 0);`
`458`	`458`
`459`		`- auto s = static_cast<float>(kTraversalCost) + (lc * lsa + rc * rsa) * area_inv;`
	`459`	`+ auto s = m_traversal_cost + (lc * lsa + rc * rsa) * area_inv;`
`460`	`460`
`461`	`461`	`if (s < sah)`
`462`	`462`	`{`