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Cycles:

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* Move some hair width related code into a dedicated branch.
* Don't calculate time/lens RNG when Motion Blur or Depth of Field are disabled
This commit is contained in:
Thomas Dinges
2013-05-30 11:05:02 +00:00
parent fe76c06b30
commit b0cf3a342d
2 changed files with 12 additions and 9 deletions
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4
intern/cycles/kernel/kernel_bvh.h
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@@ -119,8 +119,6 @@ __device_inline void bvh_node_intersect(KernelGlobals *kg,
bool *closestChild1, int *nodeAddr0, int *nodeAddr1, bool *closestChild1, int *nodeAddr0, int *nodeAddr1,
float3 P, float3 idir, float t, uint visibility, int nodeAddr, float difl, float extmax) float3 P, float3 idir, float t, uint visibility, int nodeAddr, float difl, float extmax)
{ {
float hdiff = 1.0f + difl;
float ldiff = 1.0f - difl;
#else #else
__device_inline void bvh_node_intersect(KernelGlobals *kg, __device_inline void bvh_node_intersect(KernelGlobals *kg,
bool *traverseChild0, bool *traverseChild1, bool *traverseChild0, bool *traverseChild1,
@@ -157,6 +155,8 @@ __device_inline void bvh_node_intersect(KernelGlobals *kg,
#ifdef __HAIR__ #ifdef __HAIR__
if(difl != 0.0f) { if(difl != 0.0f) {
float hdiff = 1.0f + difl;
float ldiff = 1.0f - difl;
if(__float_as_int(cnodes.z) & PATH_RAY_CURVE) { if(__float_as_int(cnodes.z) & PATH_RAY_CURVE) {
c0min = max(ldiff * c0min, c0min - extmax); c0min = max(ldiff * c0min, c0min - extmax);
c0max = min(hdiff * c0max, c0max + extmax); c0max = min(hdiff * c0max, c0max + extmax);

17
intern/cycles/kernel/kernel_path.h
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@@ -1115,14 +1115,17 @@ __device void kernel_path_trace(KernelGlobals *kg,
/* sample camera ray */ /* sample camera ray */
Ray ray; Ray ray;
float lens_u = path_rng(kg, &rng, sample, PRNG_LENS_U); float lens_u = 0.0f, lens_v = 0.0f;
float lens_v = path_rng(kg, &rng, sample, PRNG_LENS_V);
#ifdef __CAMERA_MOTION__
float time = path_rng(kg, &rng, sample, PRNG_TIME);
#else
float time = 0.0f; float time = 0.0f;
if(kernel_data.cam.aperturesize > 0.0f) {
lens_u = path_rng(kg, &rng, sample, PRNG_LENS_U);
lens_v = path_rng(kg, &rng, sample, PRNG_LENS_V);
}
#ifdef __CAMERA_MOTION__
if(kernel_data.cam.shuttertime != -1.0f)
time = path_rng(kg, &rng, sample, PRNG_TIME);
#endif #endif
camera_sample(kg, x, y, filter_u, filter_v, lens_u, lens_v, time, &ray); camera_sample(kg, x, y, filter_u, filter_v, lens_u, lens_v, time, &ray);