Files
test2/intern/cycles/kernel/svm/mapping.h

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