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blender-archive/intern/cycles/kernel/osl/globals.cpp
Patrick Mours a45c36efae Cycles: Make OSL implementation independent from SVM
Cleans up the file structure to be more similar to that of the SVM
and also makes it possible to build kernels with OSL support, but
without having to include SVM support.

This patch was split from D15902.

Differential Revision: https://developer.blender.org/D15949
2022-09-13 10:59:28 +02:00

60 lines
1.3 KiB
C++

/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#include <OSL/oslexec.h>
#include "kernel/device/cpu/compat.h"
#include "kernel/device/cpu/globals.h"
#include "kernel/types.h"
#include "kernel/osl/globals.h"
#include "kernel/osl/services.h"
CCL_NAMESPACE_BEGIN
void OSLGlobals::thread_init(KernelGlobalsCPU *kg, OSLGlobals *osl_globals)
{
/* no osl used? */
if (!osl_globals->use) {
kg->osl = NULL;
return;
}
/* Per thread kernel data init. */
kg->osl = osl_globals;
OSL::ShadingSystem *ss = kg->osl->ss;
OSLThreadData *tdata = new OSLThreadData();
memset((void *)&tdata->globals, 0, sizeof(OSL::ShaderGlobals));
tdata->globals.tracedata = &tdata->tracedata;
tdata->osl_thread_info = ss->create_thread_info();
tdata->context = ss->get_context(tdata->osl_thread_info);
tdata->oiio_thread_info = osl_globals->ts->get_perthread_info();
kg->osl_ss = (OSLShadingSystem *)ss;
kg->osl_tdata = tdata;
}
void OSLGlobals::thread_free(KernelGlobalsCPU *kg)
{
if (!kg->osl)
return;
OSL::ShadingSystem *ss = (OSL::ShadingSystem *)kg->osl_ss;
OSLThreadData *tdata = kg->osl_tdata;
ss->release_context(tdata->context);
ss->destroy_thread_info(tdata->osl_thread_info);
delete tdata;
kg->osl = NULL;
kg->osl_ss = NULL;
kg->osl_tdata = NULL;
}
CCL_NAMESPACE_END