Page MenuHome
Differential D12367 Diff 41308 intern/cycles/kernel/svm/svm_map_range.h

Changeset View

Standalone View

View Options

intern/cycles/kernel/svm/svm_map_range.h

Show All 18 Lines
/* Map Range Node */ /* Map Range Node */
ccl_device_inline float smootherstep(float edge0, float edge1, float x) ccl_device_inline float smootherstep(float edge0, float edge1, float x)
{ {
x = clamp(safe_divide((x - edge0), (edge1 - edge0)), 0.0f, 1.0f); x = clamp(safe_divide((x - edge0), (edge1 - edge0)), 0.0f, 1.0f);
return x * x * x * (x * (x * 6.0f - 15.0f) + 10.0f); return x * x * x * (x * (x * 6.0f - 15.0f) + 10.0f);
} }
ccl_device void svm_node_map_range(KernelGlobals *kg, ccl_device_noinline int svm_node_map_range(const KernelGlobals *kg,
ShaderData *sd, ShaderData *sd,
float *stack, float *stack,
uint value_stack_offset, uint value_stack_offset,
uint parameters_stack_offsets, uint parameters_stack_offsets,
uint results_stack_offsets, uint results_stack_offsets,
int *offset) int offset)
{ {
uint from_min_stack_offset, from_max_stack_offset, to_min_stack_offset, to_max_stack_offset; uint from_min_stack_offset, from_max_stack_offset, to_min_stack_offset, to_max_stack_offset;
uint type_stack_offset, steps_stack_offset, result_stack_offset; uint type_stack_offset, steps_stack_offset, result_stack_offset;
svm_unpack_node_uchar4(parameters_stack_offsets, svm_unpack_node_uchar4(parameters_stack_offsets,
&from_min_stack_offset, &from_min_stack_offset,
&from_max_stack_offset, &from_max_stack_offset,
&to_min_stack_offset, &to_min_stack_offset,
&to_max_stack_offset); &to_max_stack_offset);
svm_unpack_node_uchar3( svm_unpack_node_uchar3(
results_stack_offsets, &type_stack_offset, &steps_stack_offset, &result_stack_offset); results_stack_offsets, &type_stack_offset, &steps_stack_offset, &result_stack_offset);
uint4 defaults = read_node(kg, offset); uint4 defaults = read_node(kg, &offset);
uint4 defaults2 = read_node(kg, offset); uint4 defaults2 = read_node(kg, &offset);
float value = stack_load_float(stack, value_stack_offset); float value = stack_load_float(stack, value_stack_offset);
float from_min = stack_load_float_default(stack, from_min_stack_offset, defaults.x); float from_min = stack_load_float_default(stack, from_min_stack_offset, defaults.x);
float from_max = stack_load_float_default(stack, from_max_stack_offset, defaults.y); float from_max = stack_load_float_default(stack, from_max_stack_offset, defaults.y);
float to_min = stack_load_float_default(stack, to_min_stack_offset, defaults.z); float to_min = stack_load_float_default(stack, to_min_stack_offset, defaults.z);
float to_max = stack_load_float_default(stack, to_max_stack_offset, defaults.w); float to_max = stack_load_float_default(stack, to_max_stack_offset, defaults.w);
float steps = stack_load_float_default(stack, steps_stack_offset, defaults2.x); float steps = stack_load_float_default(stack, steps_stack_offset, defaults2.x);
Show All 23 Lines switch (type_stack_offset) {
} }
} }
result = to_min + factor * (to_max - to_min); result = to_min + factor * (to_max - to_min);
} }
else { else {
result = 0.0f; result = 0.0f;
} }
stack_store_float(stack, result_stack_offset, result); stack_store_float(stack, result_stack_offset, result);
return offset;
} }
CCL_NAMESPACE_END CCL_NAMESPACE_END