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Fix Cycles CUDA transparent shadow error after recent fix in c22b52c.

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Fishy cat benchmark was rendering with wrong shadows. Cause is unclear,
adding printf or rearranging code seems to avoid this issue, possibly a
compiler bug. This reverts the fix and solves the OSL bug elsewhere.
This commit is contained in:
Brecht Van Lommel
2017-08-24 03:33:33 +02:00
parent b85d36d811
commit 76b74a93a8
3 changed files with 12 additions and 11 deletions
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12
intern/cycles/kernel/bvh/bvh_traversal.h
View File

@@ -244,14 +244,14 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
{
/* shadow ray early termination */
#if defined(__KERNEL_SSE2__)
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
tsplat = ssef(0.0f, 0.0f, -isect->t, -isect->t);
# if BVH_FEATURE(BVH_HAIR)
tfar = ssef(isect->t);
# endif
#else
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
#endif
}
@@ -274,14 +274,14 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
{
/* shadow ray early termination */
# if defined(__KERNEL_SSE2__)
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
tsplat = ssef(0.0f, 0.0f, -isect->t, -isect->t);
# if BVH_FEATURE(BVH_HAIR)
tfar = ssef(isect->t);
# endif
# else
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
# endif
}
@@ -328,14 +328,14 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
if(hit) {
/* shadow ray early termination */
# if defined(__KERNEL_SSE2__)
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
tsplat = ssef(0.0f, 0.0f, -isect->t, -isect->t);
# if BVH_FEATURE(BVH_HAIR)
tfar = ssef(isect->t);
# endif
# else
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE)))
if(visibility & PATH_RAY_SHADOW_OPAQUE)
return true;
# endif
}

6
intern/cycles/kernel/bvh/qbvh_traversal.h
View File

@@ -340,7 +340,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
prim_addr)) {
tfar = ssef(isect->t);
/* Shadow ray early termination. */
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE))) {
if(visibility & PATH_RAY_SHADOW_OPAQUE) {
return true;
}
}
@@ -362,7 +362,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
prim_addr)) {
tfar = ssef(isect->t);
/* Shadow ray early termination. */
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE))) {
if(visibility & PATH_RAY_SHADOW_OPAQUE) {
return true;
}
}
@@ -409,7 +409,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
if(hit) {
tfar = ssef(isect->t);
/* Shadow ray early termination. */
if(!(visibility & (PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE))) {
if(visibility & PATH_RAY_SHADOW_OPAQUE) {
return true;
}
}

5
intern/cycles/kernel/osl/osl_services.cpp
View File

@@ -1197,8 +1197,9 @@ bool OSLRenderServices::trace(TraceOpt &options, OSL::ShaderGlobals *sg,
tracedata->init = true;
tracedata->sd.osl_globals = sd->osl_globals;
/* raytrace */
return scene_intersect(sd->osl_globals, ray, PATH_RAY_ALL_VISIBILITY, &tracedata->isect, NULL, 0.0f, 0.0f);
/* Raytrace, leaving out shadow opaque to avoid early exit. */
uint visibility = PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE;
return scene_intersect(sd->osl_globals, ray, visibility, &tracedata->isect, NULL, 0.0f, 0.0f);
}