Differential D12888 Diff 43502 intern/cycles/kernel/svm/svm_displace.h

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intern/cycles/kernel/svm/svm_displace.h

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*/		*/

#include "kernel/kernel_montecarlo.h"		#include "kernel/kernel_montecarlo.h"

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

/* Bump Node */		/* Bump Node */

ccl_device_noinline void svm_node_set_bump(ccl_global const KernelGlobals *kg,		ccl_device_noinline void svm_node_set_bump(KernelGlobals kg,
ccl_private ShaderData *sd,		ccl_private ShaderData *sd,
ccl_private float *stack,		ccl_private float *stack,
uint4 node)		uint4 node)
{		{
#ifdef __RAY_DIFFERENTIALS__		#ifdef __RAY_DIFFERENTIALS__
/* get normal input */		/* get normal input */
uint normal_offset, scale_offset, invert, use_object_space;		uint normal_offset, scale_offset, invert, use_object_space;
svm_unpack_node_uchar4(node.y, &normal_offset, &scale_offset, &invert, &use_object_space);		svm_unpack_node_uchar4(node.y, &normal_offset, &scale_offset, &invert, &use_object_space);
▲ Show 20 Lines • Show All 51 Lines • ▼ Show 20 Lines	#ifdef __RAY_DIFFERENTIALS__
normal_out = ensure_valid_reflection(sd->Ng, sd->I, normal_out);		normal_out = ensure_valid_reflection(sd->Ng, sd->I, normal_out);

stack_store_float3(stack, node.w, normal_out);		stack_store_float3(stack, node.w, normal_out);
#endif		#endif
}		}

/* Displacement Node */		/* Displacement Node */

ccl_device void svm_node_set_displacement(ccl_global const KernelGlobals *kg,		ccl_device void svm_node_set_displacement(KernelGlobals kg,
ccl_private ShaderData *sd,		ccl_private ShaderData *sd,
ccl_private float *stack,		ccl_private float *stack,
uint fac_offset)		uint fac_offset)
{		{
float3 dP = stack_load_float3(stack, fac_offset);		float3 dP = stack_load_float3(stack, fac_offset);
sd->P += dP;		sd->P += dP;
}		}

ccl_device_noinline void svm_node_displacement(ccl_global const KernelGlobals *kg,		ccl_device_noinline void svm_node_displacement(KernelGlobals kg,
ccl_private ShaderData *sd,		ccl_private ShaderData *sd,
ccl_private float *stack,		ccl_private float *stack,
uint4 node)		uint4 node)
{		{
uint height_offset, midlevel_offset, scale_offset, normal_offset;		uint height_offset, midlevel_offset, scale_offset, normal_offset;
svm_unpack_node_uchar4(node.y, &height_offset, &midlevel_offset, &scale_offset, &normal_offset);		svm_unpack_node_uchar4(node.y, &height_offset, &midlevel_offset, &scale_offset, &normal_offset);

float height = stack_load_float(stack, height_offset);		float height = stack_load_float(stack, height_offset);
Show All 13 Lines	ccl_device_noinline void svm_node_displacement(KernelGlobals kg,
else {		else {
/* World space. */		/* World space. */
dP = (height - midlevel) scale;		dP = (height - midlevel) scale;
}		}

stack_store_float3(stack, node.z, dP);		stack_store_float3(stack, node.z, dP);
}		}

ccl_device_noinline int svm_node_vector_displacement(ccl_global const KernelGlobals *kg,		ccl_device_noinline int svm_node_vector_displacement(
ccl_private ShaderData *sd,		KernelGlobals kg, ccl_private ShaderData sd, ccl_private float stack, uint4 node, int offset)
ccl_private float *stack,
uint4 node,
int offset)
{		{
uint4 data_node = read_node(kg, &offset);		uint4 data_node = read_node(kg, &offset);
uint space = data_node.x;		uint space = data_node.x;

uint vector_offset, midlevel_offset, scale_offset, displacement_offset;		uint vector_offset, midlevel_offset, scale_offset, displacement_offset;
svm_unpack_node_uchar4(		svm_unpack_node_uchar4(
node.y, &vector_offset, &midlevel_offset, &scale_offset, &displacement_offset);		node.y, &vector_offset, &midlevel_offset, &scale_offset, &displacement_offset);

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