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Cycles: Bump stack size for QBVH traversal code

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Traversal now can push up to 2x of nodes to the stack, so need some tweaks
to the stack size.
This commit is contained in:
Sergey Sharybin 2014-12-29 13:37:18 +05:00
parent 9c4aba11c9
commit 40517283ca
5 changed files with 5 additions and 4 deletions
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1
intern/cycles/kernel/geom/geom.h
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@ -20,6 +20,7 @@
/* 64 object BVH + 64 mesh BVH + 64 object node splitting */
#define BVH_STACK_SIZE 192
#define BVH_QSTACK_SIZE 384
#define BVH_NODE_SIZE 4
#define BVH_QNODE_SIZE 7
#define TRI_NODE_SIZE 3

2
intern/cycles/kernel/geom/geom_qbvh_shadow.h
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@ -39,7 +39,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
*/
/* Traversal stack in CUDA thread-local memory. */
QBVHStackItem traversalStack[BVH_STACK_SIZE];
QBVHStackItem traversalStack[BVH_QSTACK_SIZE];
traversalStack[0].addr = ENTRYPOINT_SENTINEL;
/* Traversal variables in registers. */

2
intern/cycles/kernel/geom/geom_qbvh_subsurface.h
View File

@ -42,7 +42,7 @@ ccl_device uint BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
*/
/* Traversal stack in CUDA thread-local memory. */
QBVHStackItem traversalStack[BVH_STACK_SIZE];
QBVHStackItem traversalStack[BVH_QSTACK_SIZE];
traversalStack[0].addr = ENTRYPOINT_SENTINEL;
/* Traversal variables in registers. */

2
intern/cycles/kernel/geom/geom_qbvh_traversal.h
View File

@ -47,7 +47,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
*/
/* Traversal stack in CUDA thread-local memory. */
QBVHStackItem traversalStack[BVH_STACK_SIZE];
QBVHStackItem traversalStack[BVH_QSTACK_SIZE];
traversalStack[0].addr = ENTRYPOINT_SENTINEL;
traversalStack[0].dist = -FLT_MAX;

2
intern/cycles/kernel/geom/geom_qbvh_volume.h
View File

@ -38,7 +38,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
*/
/* Traversal stack in CUDA thread-local memory. */
QBVHStackItem traversalStack[BVH_STACK_SIZE];
QBVHStackItem traversalStack[BVH_QSTACK_SIZE];
traversalStack[0].addr = ENTRYPOINT_SENTINEL;
/* Traversal variables in registers. */