9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/* 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/closure/alloc.h"
|
|
#include "kernel/closure/emissive.h"
|
|
// clang-format on
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
using namespace OSL;
|
|
|
|
/// Generic background closure
|
|
///
|
|
/// We only have a background closure for the shaders
|
|
/// to return a color in background shaders. No methods,
|
|
/// only the weight is taking into account
|
|
///
|
|
class GenericBackgroundClosure : public CClosurePrimitive {
|
|
public:
|
|
void setup(ShaderData *sd, uint32_t /* path_flag */, float3 weight)
|
|
{
|
|
background_setup(sd, weight);
|
|
}
|
|
};
|
|
|
|
/// Holdout closure
|
|
///
|
|
/// This will be used by the shader to mark the
|
|
/// amount of holdout for the current shading
|
|
/// point. No parameters, only the weight will be
|
|
/// used
|
|
///
|
|
class HoldoutClosure : CClosurePrimitive {
|
|
public:
|
|
void setup(ShaderData *sd, uint32_t /* path_flag */, float3 weight)
|
|
{
|
|
closure_alloc(sd, sizeof(ShaderClosure), CLOSURE_HOLDOUT_ID, weight);
|
|
sd->flag |= SD_HOLDOUT;
|
|
}
|
|
};
|
|
|
|
ClosureParam *closure_background_params()
|
|
{
|
|
static ClosureParam params[] = {
|
|
CLOSURE_STRING_KEYPARAM(GenericBackgroundClosure, label, "label"),
|
|
CLOSURE_FINISH_PARAM(GenericBackgroundClosure)};
|
|
return params;
|
|
}
|
|
|
|
CCLOSURE_PREPARE(closure_background_prepare, GenericBackgroundClosure)
|
|
|
|
ClosureParam *closure_holdout_params()
|
|
{
|
|
static ClosureParam params[] = {CLOSURE_FINISH_PARAM(HoldoutClosure)};
|
|
return params;
|
|
}
|
|
|
|
CCLOSURE_PREPARE(closure_holdout_prepare, HoldoutClosure)
|
|
|
|
CCL_NAMESPACE_END
|