Files
test2/intern/cycles/scene/tables.cpp
Brecht Van Lommel 73fe848e07 Fix: Cycles log levels conflict with macros on some platforms
In particular DEBUG, but prefix all of them to be sure.

Pull Request: https://projects.blender.org/blender/blender/pulls/141749
2025-07-10 19:44:14 +02:00

120 lines
2.6 KiB
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#include "scene/tables.h"
#include "device/device.h"
#include "scene/scene.h"
#include "scene/stats.h"
#include "util/log.h"
#include "util/time.h"
CCL_NAMESPACE_BEGIN
/* Lookup Tables */
LookupTables::LookupTables()
{
need_update_ = true;
}
LookupTables::~LookupTables()
{
assert(lookup_tables.empty());
}
void LookupTables::device_update(Device * /*unused*/, DeviceScene *dscene, Scene *scene)
{
if (!need_update()) {
return;
}
const scoped_callback_timer timer([scene](double time) {
if (scene->update_stats) {
scene->update_stats->tables.times.add_entry({"device_update", time});
}
});
LOG_INFO << "Total " << lookup_tables.size() << " lookup tables.";
if (!lookup_tables.empty()) {
dscene->lookup_table.copy_to_device();
}
need_update_ = false;
}
void LookupTables::device_free(Device * /*unused*/, DeviceScene *dscene)
{
dscene->lookup_table.free();
}
bool LookupTables::need_update() const
{
return need_update_;
}
static size_t round_up_to_multiple(const size_t size, const size_t chunk)
{
return ((size + chunk - 1) / chunk) * chunk;
}
size_t LookupTables::add_table(DeviceScene *dscene, vector<float> &data)
{
assert(!data.empty());
need_update_ = true;
Table new_table;
new_table.offset = 0;
new_table.size = round_up_to_multiple(data.size(), TABLE_CHUNK_SIZE);
/* find space to put lookup table */
list<Table>::iterator table;
for (table = lookup_tables.begin(); table != lookup_tables.end(); table++) {
if (new_table.offset + new_table.size <= table->offset) {
lookup_tables.insert(table, new_table);
break;
}
new_table.offset = table->offset + table->size;
}
if (table == lookup_tables.end()) {
/* add at the end */
lookup_tables.push_back(new_table);
dscene->lookup_table.resize(new_table.offset + new_table.size);
}
/* copy table data and return offset */
float *dtable = dscene->lookup_table.data();
memcpy(dtable + new_table.offset, data.data(), sizeof(float) * data.size());
return new_table.offset;
}
void LookupTables::remove_table(size_t *offset)
{
if (*offset == TABLE_OFFSET_INVALID) {
/* The table isn't even allocated, so just return here. */
return;
}
need_update_ = true;
list<Table>::iterator table;
for (table = lookup_tables.begin(); table != lookup_tables.end(); table++) {
if (table->offset == *offset) {
lookup_tables.erase(table);
*offset = TABLE_OFFSET_INVALID;
return;
}
}
assert(table != lookup_tables.end());
}
CCL_NAMESPACE_END