79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 */
|
|
|
|
#pragma once
|
|
|
|
#include "kernel/svm/mapping_util.h"
|
|
#include "kernel/svm/util.h"
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* Mapping Node */
|
|
|
|
ccl_device_noinline void svm_node_mapping(KernelGlobals kg,
|
|
ccl_private ShaderData *sd,
|
|
ccl_private float *stack,
|
|
const uint type,
|
|
const uint inputs_stack_offsets,
|
|
const uint result_stack_offset)
|
|
{
|
|
uint vector_stack_offset;
|
|
uint location_stack_offset;
|
|
uint rotation_stack_offset;
|
|
uint scale_stack_offset;
|
|
svm_unpack_node_uchar4(inputs_stack_offsets,
|
|
&vector_stack_offset,
|
|
&location_stack_offset,
|
|
&rotation_stack_offset,
|
|
&scale_stack_offset);
|
|
|
|
const float3 vector = stack_load_float3(stack, vector_stack_offset);
|
|
const float3 location = stack_load_float3(stack, location_stack_offset);
|
|
const float3 rotation = stack_load_float3(stack, rotation_stack_offset);
|
|
const float3 scale = stack_load_float3(stack, scale_stack_offset);
|
|
|
|
const float3 result = svm_mapping((NodeMappingType)type, vector, location, rotation, scale);
|
|
stack_store_float3(stack, result_stack_offset, result);
|
|
}
|
|
|
|
/* Texture Mapping */
|
|
|
|
ccl_device_noinline int svm_node_texture_mapping(KernelGlobals kg,
|
|
ccl_private ShaderData *sd,
|
|
ccl_private float *stack,
|
|
const uint vec_offset,
|
|
const uint out_offset,
|
|
int offset)
|
|
{
|
|
const float3 v = stack_load_float3(stack, vec_offset);
|
|
|
|
Transform tfm;
|
|
tfm.x = read_node_float(kg, &offset);
|
|
tfm.y = read_node_float(kg, &offset);
|
|
tfm.z = read_node_float(kg, &offset);
|
|
|
|
const float3 r = transform_point(&tfm, v);
|
|
stack_store_float3(stack, out_offset, r);
|
|
return offset;
|
|
}
|
|
|
|
ccl_device_noinline int svm_node_min_max(KernelGlobals kg,
|
|
ccl_private ShaderData *sd,
|
|
ccl_private float *stack,
|
|
const uint vec_offset,
|
|
const uint out_offset,
|
|
int offset)
|
|
{
|
|
const float3 v = stack_load_float3(stack, vec_offset);
|
|
|
|
const float3 mn = make_float3(read_node_float(kg, &offset));
|
|
const float3 mx = make_float3(read_node_float(kg, &offset));
|
|
|
|
const float3 r = min(max(mn, v), mx);
|
|
stack_store_float3(stack, out_offset, r);
|
|
return offset;
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|