diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_random.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_random.h | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/intern/cycles/kernel/kernel_random.h b/intern/cycles/kernel/kernel_random.h index e773753396f..d4f0caff5de 100644 --- a/intern/cycles/kernel/kernel_random.h +++ b/intern/cycles/kernel/kernel_random.h @@ -14,7 +14,7 @@ * limitations under the License. */ -#include "kernel_jitter.h" +#include "kernel/kernel_jitter.h" CCL_NAMESPACE_BEGIN @@ -98,7 +98,7 @@ ccl_device uint sobol_lookup(const uint m, const uint frame, const uint ex, cons return index; } -ccl_device_forceinline float path_rng_1D(KernelGlobals *kg, ccl_addr_space RNG *rng, int sample, int num_samples, int dimension) +ccl_device_forceinline float path_rng_1D(KernelGlobals *kg, RNG *rng, int sample, int num_samples, int dimension) { #ifdef __CMJ__ if(kernel_data.integrator.sampling_pattern == SAMPLING_PATTERN_CMJ) { @@ -130,7 +130,7 @@ ccl_device_forceinline float path_rng_1D(KernelGlobals *kg, ccl_addr_space RNG * #endif } -ccl_device_forceinline void path_rng_2D(KernelGlobals *kg, ccl_addr_space RNG *rng, int sample, int num_samples, int dimension, float *fx, float *fy) +ccl_device_forceinline void path_rng_2D(KernelGlobals *kg, RNG *rng, int sample, int num_samples, int dimension, float *fx, float *fy) { #ifdef __CMJ__ if(kernel_data.integrator.sampling_pattern == SAMPLING_PATTERN_CMJ) { @@ -147,7 +147,7 @@ ccl_device_forceinline void path_rng_2D(KernelGlobals *kg, ccl_addr_space RNG *r } } -ccl_device_inline void path_rng_init(KernelGlobals *kg, ccl_global uint *rng_state, int sample, int num_samples, ccl_addr_space RNG *rng, int x, int y, float *fx, float *fy) +ccl_device_inline void path_rng_init(KernelGlobals *kg, ccl_global uint *rng_state, int sample, int num_samples, RNG *rng, int x, int y, float *fx, float *fy) { #ifdef __SOBOL_FULL_SCREEN__ uint px, py; @@ -191,14 +191,14 @@ ccl_device void path_rng_end(KernelGlobals *kg, ccl_global uint *rng_state, RNG /* Linear Congruential Generator */ -ccl_device_forceinline float path_rng_1D(KernelGlobals *kg, RNG& rng, int sample, int num_samples, int dimension) +ccl_device_forceinline float path_rng_1D(KernelGlobals *kg, RNG *rng, int sample, int num_samples, int dimension) { /* implicit mod 2^32 */ - rng = (1103515245*(rng) + 12345); - return (float)rng * (1.0f/(float)0xFFFFFFFF); + *rng = (1103515245*(*rng) + 12345); + return (float)*rng * (1.0f/(float)0xFFFFFFFF); } -ccl_device_inline void path_rng_2D(KernelGlobals *kg, RNG& rng, int sample, int num_samples, int dimension, float *fx, float *fy) +ccl_device_inline void path_rng_2D(KernelGlobals *kg, RNG *rng, int sample, int num_samples, int dimension, float *fx, float *fy) { *fx = path_rng_1D(kg, rng, sample, num_samples, dimension); *fy = path_rng_1D(kg, rng, sample, num_samples, dimension + 1); @@ -259,12 +259,12 @@ ccl_device uint lcg_init(uint seed) * For branches in the path we must be careful not to reuse the same number * in a sequence and offset accordingly. */ -ccl_device_inline float path_state_rng_1D(KernelGlobals *kg, ccl_addr_space RNG *rng, const ccl_addr_space PathState *state, int dimension) +ccl_device_inline float path_state_rng_1D(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int dimension) { return path_rng_1D(kg, rng, state->sample, state->num_samples, state->rng_offset + dimension); } -ccl_device_inline float path_state_rng_1D_for_decision(KernelGlobals *kg, ccl_addr_space RNG *rng, const ccl_addr_space PathState *state, int dimension) +ccl_device_inline float path_state_rng_1D_for_decision(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int dimension) { /* the rng_offset is not increased for transparent bounces. if we do then * fully transparent objects can become subtly visible by the different @@ -277,29 +277,29 @@ ccl_device_inline float path_state_rng_1D_for_decision(KernelGlobals *kg, ccl_ad return path_rng_1D(kg, rng, state->sample, state->num_samples, rng_offset + dimension); } -ccl_device_inline void path_state_rng_2D(KernelGlobals *kg, ccl_addr_space RNG *rng, const ccl_addr_space PathState *state, int dimension, float *fx, float *fy) +ccl_device_inline void path_state_rng_2D(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int dimension, float *fx, float *fy) { path_rng_2D(kg, rng, state->sample, state->num_samples, state->rng_offset + dimension, fx, fy); } -ccl_device_inline float path_branched_rng_1D(KernelGlobals *kg, ccl_addr_space RNG *rng, const PathState *state, int branch, int num_branches, int dimension) +ccl_device_inline float path_branched_rng_1D(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int branch, int num_branches, int dimension) { return path_rng_1D(kg, rng, state->sample*num_branches + branch, state->num_samples*num_branches, state->rng_offset + dimension); } -ccl_device_inline float path_branched_rng_1D_for_decision(KernelGlobals *kg, ccl_addr_space RNG *rng, const PathState *state, int branch, int num_branches, int dimension) +ccl_device_inline float path_branched_rng_1D_for_decision(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int branch, int num_branches, int dimension) { int rng_offset = state->rng_offset + state->transparent_bounce*PRNG_BOUNCE_NUM; return path_rng_1D(kg, rng, state->sample*num_branches + branch, state->num_samples*num_branches, rng_offset + dimension); } -ccl_device_inline void path_branched_rng_2D(KernelGlobals *kg, ccl_addr_space RNG *rng, const PathState *state, int branch, int num_branches, int dimension, float *fx, float *fy) +ccl_device_inline void path_branched_rng_2D(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int branch, int num_branches, int dimension, float *fx, float *fy) { path_rng_2D(kg, rng, state->sample*num_branches + branch, state->num_samples*num_branches, state->rng_offset + dimension, fx, fy); } /* Utitility functions to get light termination value, since it might not be needed in many cases. */ -ccl_device_inline float path_state_rng_light_termination(KernelGlobals *kg, ccl_addr_space RNG *rng, const ccl_addr_space PathState *state) +ccl_device_inline float path_state_rng_light_termination(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state) { if(kernel_data.integrator.light_inv_rr_threshold > 0.0f) { return path_state_rng_1D_for_decision(kg, rng, state, PRNG_LIGHT_TERMINATE); @@ -307,7 +307,7 @@ ccl_device_inline float path_state_rng_light_termination(KernelGlobals *kg, ccl_ return 0.0f; } -ccl_device_inline float path_branched_rng_light_termination(KernelGlobals *kg, ccl_addr_space RNG *rng, const PathState *state, int branch, int num_branches) +ccl_device_inline float path_branched_rng_light_termination(KernelGlobals *kg, RNG *rng, const ccl_addr_space PathState *state, int branch, int num_branches) { if(kernel_data.integrator.light_inv_rr_threshold > 0.0f) { return path_branched_rng_1D_for_decision(kg, rng, state, branch, num_branches, PRNG_LIGHT_TERMINATE); @@ -315,7 +315,7 @@ ccl_device_inline float path_branched_rng_light_termination(KernelGlobals *kg, c return 0.0f; } -ccl_device_inline void path_state_branch(PathState *state, int branch, int num_branches) +ccl_device_inline void path_state_branch(ccl_addr_space PathState *state, int branch, int num_branches) { /* path is splitting into a branch, adjust so that each branch * still gets a unique sample from the same sequence */ @@ -324,18 +324,9 @@ ccl_device_inline void path_state_branch(PathState *state, int branch, int num_b state->num_samples = state->num_samples*num_branches; } -ccl_device_inline uint lcg_state_init(RNG *rng, const PathState *state, uint scramble) -{ - return lcg_init(*rng + state->rng_offset + state->sample*scramble); -} - -/* TODO(sergey): For until we can use generic address space from OpenCL 2.0. */ - -ccl_device_inline uint lcg_state_init_addrspace(ccl_addr_space RNG *rng, - const ccl_addr_space PathState *state, - uint scramble) +ccl_device_inline uint lcg_state_init(RNG *rng, int rng_offset, int sample, uint scramble) { - return lcg_init(*rng + state->rng_offset + state->sample*scramble); + return lcg_init(*rng + rng_offset + sample*scramble); } ccl_device float lcg_step_float_addrspace(ccl_addr_space uint *rng) |