1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#pragma once
#include "kernel/svm/mapping_util.h"
CCL_NAMESPACE_BEGIN
/* Mapping Node */
ccl_device_noinline void svm_node_mapping(KernelGlobals kg,
ccl_private ShaderData *sd,
ccl_private float *stack,
uint type,
uint inputs_stack_offsets,
uint result_stack_offset)
{
uint vector_stack_offset, location_stack_offset, rotation_stack_offset, scale_stack_offset;
svm_unpack_node_uchar4(inputs_stack_offsets,
&vector_stack_offset,
&location_stack_offset,
&rotation_stack_offset,
&scale_stack_offset);
float3 vector = stack_load_float3(stack, vector_stack_offset);
float3 location = stack_load_float3(stack, location_stack_offset);
float3 rotation = stack_load_float3(stack, rotation_stack_offset);
float3 scale = stack_load_float3(stack, scale_stack_offset);
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,
uint vec_offset,
uint out_offset,
int offset)
{
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);
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,
uint vec_offset,
uint out_offset,
int offset)
{
float3 v = stack_load_float3(stack, vec_offset);
float3 mn = float4_to_float3(read_node_float(kg, &offset));
float3 mx = float4_to_float3(read_node_float(kg, &offset));
float3 r = min(max(mn, v), mx);
stack_store_float3(stack, out_offset, r);
return offset;
}
CCL_NAMESPACE_END
|
