blob: 1a01b2158365cbc2536a945e20f44e26d96c0583 (
plain)
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
|
/* SPDX-License-Identifier: BSD-3-Clause
*
* Adapted from Open Shading Language
* Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al.
* All Rights Reserved.
*
* Modifications Copyright 2011-2022 Blender Foundation. */
#include <OpenImageIO/fmath.h>
#include <OSL/genclosure.h>
#include "kernel/osl/closures.h"
// clang-format off
#include "kernel/device/cpu/compat.h"
#include "kernel/types.h"
#include "kernel/closure/alloc.h"
#include "kernel/closure/emissive.h"
// clang-format on
CCL_NAMESPACE_BEGIN
using namespace OSL;
/// Variable cone emissive closure
///
/// This primitive emits in a cone having a configurable
/// penumbra area where the light decays to 0 reaching the
/// outer_angle limit. It can also behave as a lambertian emitter
/// if the provided angles are PI/2, which is the default
///
class GenericEmissiveClosure : public CClosurePrimitive {
public:
void setup(ShaderData *sd, uint32_t /* path_flag */, float3 weight)
{
emission_setup(sd, weight);
}
};
ClosureParam *closure_emission_params()
{
static ClosureParam params[] = {CLOSURE_STRING_KEYPARAM(GenericEmissiveClosure, label, "label"),
CLOSURE_FINISH_PARAM(GenericEmissiveClosure)};
return params;
}
CCLOSURE_PREPARE(closure_emission_prepare, GenericEmissiveClosure)
CCL_NAMESPACE_END
|
