Differential D12880 Diff 43387 intern/cycles/kernel/integrator/integrator_shade_shadow.h

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intern/cycles/kernel/integrator/integrator_shade_shadow.h

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#include "kernel/integrator/integrator_shade_volume.h"		#include "kernel/integrator/integrator_shade_volume.h"
#include "kernel/integrator/integrator_volume_stack.h"		#include "kernel/integrator/integrator_volume_stack.h"

#include "kernel/kernel_shader.h"		#include "kernel/kernel_shader.h"

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

ccl_device_inline bool shadow_intersections_has_remaining(const int num_hits)		ccl_device_inline bool shadow_intersections_has_remaining(const uint num_hits)
{		{
return num_hits >= INTEGRATOR_SHADOW_ISECT_SIZE;		return num_hits >= INTEGRATOR_SHADOW_ISECT_SIZE;
}		}

#ifdef __TRANSPARENT_SHADOWS__		#ifdef __TRANSPARENT_SHADOWS__
ccl_device_inline float3 integrate_transparent_surface_shadow(INTEGRATOR_STATE_ARGS, const int hit)		ccl_device_inline float3 integrate_transparent_surface_shadow(INTEGRATOR_STATE_ARGS, const int hit)
{		{
PROFILING_INIT(kg, PROFILING_SHADE_SHADOW_SURFACE);		PROFILING_INIT(kg, PROFILING_SHADE_SHADOW_SURFACE);
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines	ccl_device_inline void integrate_transparent_volume_shadow(INTEGRATOR_STATE_ARGS,
const float step_size = volume_stack_step_size(INTEGRATOR_STATE_PASS, [=](const int i) {		const float step_size = volume_stack_step_size(INTEGRATOR_STATE_PASS, [=](const int i) {
return integrator_state_read_shadow_volume_stack(INTEGRATOR_STATE_PASS, i);		return integrator_state_read_shadow_volume_stack(INTEGRATOR_STATE_PASS, i);
});		});

volume_shadow_heterogeneous(INTEGRATOR_STATE_PASS, &ray, shadow_sd, throughput, step_size);		volume_shadow_heterogeneous(INTEGRATOR_STATE_PASS, &ray, shadow_sd, throughput, step_size);
}		}
# endif		# endif

ccl_device_inline bool integrate_transparent_shadow(INTEGRATOR_STATE_ARGS, const int num_hits)		ccl_device_inline bool integrate_transparent_shadow(INTEGRATOR_STATE_ARGS, const uint num_hits)
{		{
/* Accumulate shadow for transparent surfaces. */		/* Accumulate shadow for transparent surfaces. */
const int num_recorded_hits = min(num_hits, INTEGRATOR_SHADOW_ISECT_SIZE);		const uint num_recorded_hits = min(num_hits, INTEGRATOR_SHADOW_ISECT_SIZE);

for (int hit = 0; hit < num_recorded_hits + 1; hit++) {		for (uint hit = 0; hit < num_recorded_hits + 1; hit++) {
/* Volume shaders. */		/* Volume shaders. */
if (hit < num_recorded_hits \|\| !shadow_intersections_has_remaining(num_hits)) {		if (hit < num_recorded_hits \|\| !shadow_intersections_has_remaining(num_hits)) {
# ifdef __VOLUME__		# ifdef __VOLUME__
if (!integrator_state_shadow_volume_stack_is_empty(INTEGRATOR_STATE_PASS)) {		if (!integrator_state_shadow_volume_stack_is_empty(INTEGRATOR_STATE_PASS)) {
float3 throughput = INTEGRATOR_STATE(shadow_path, throughput);		float3 throughput = INTEGRATOR_STATE(shadow_path, throughput);
integrate_transparent_volume_shadow(		integrate_transparent_volume_shadow(
INTEGRATOR_STATE_PASS, hit, num_recorded_hits, &throughput);		INTEGRATOR_STATE_PASS, hit, num_recorded_hits, &throughput);
if (is_zero(throughput)) {		if (is_zero(throughput)) {
Show All 35 Lines	# endif
return false;		return false;
}		}
#endif /* __TRANSPARENT_SHADOWS__ */		#endif /* __TRANSPARENT_SHADOWS__ */

ccl_device void integrator_shade_shadow(INTEGRATOR_STATE_ARGS,		ccl_device void integrator_shade_shadow(INTEGRATOR_STATE_ARGS,
ccl_global float *ccl_restrict render_buffer)		ccl_global float *ccl_restrict render_buffer)
{		{
PROFILING_INIT(kg, PROFILING_SHADE_SHADOW_SETUP);		PROFILING_INIT(kg, PROFILING_SHADE_SHADOW_SETUP);
const int num_hits = INTEGRATOR_STATE(shadow_path, num_hits);		const uint num_hits = INTEGRATOR_STATE(shadow_path, num_hits);

#ifdef __TRANSPARENT_SHADOWS__		#ifdef __TRANSPARENT_SHADOWS__
/* Evaluate transparent shadows. */		/* Evaluate transparent shadows. */
const bool opaque = integrate_transparent_shadow(INTEGRATOR_STATE_PASS, num_hits);		const bool opaque = integrate_transparent_shadow(INTEGRATOR_STATE_PASS, num_hits);
if (opaque) {		if (opaque) {
INTEGRATOR_SHADOW_PATH_TERMINATE(DEVICE_KERNEL_INTEGRATOR_SHADE_SHADOW);		INTEGRATOR_SHADOW_PATH_TERMINATE(DEVICE_KERNEL_INTEGRATOR_SHADE_SHADOW);
return;		return;
}		}
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