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- /*
- * Copyright 2011-2013 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <stdlib.h>
- #include <string.h>
- #include "device/device_task.h"
- #include "render/buffers.h"
- #include "util/util_algorithm.h"
- #include "util/util_time.h"
- CCL_NAMESPACE_BEGIN
- /* Device Task */
- DeviceTask::DeviceTask(Type type_)
- : type(type_),
- x(0),
- y(0),
- w(0),
- h(0),
- rgba_byte(0),
- rgba_half(0),
- buffer(0),
- sample(0),
- num_samples(1),
- shader_input(0),
- shader_output(0),
- shader_eval_type(0),
- shader_filter(0),
- shader_x(0),
- shader_w(0)
- {
- last_update_time = time_dt();
- }
- int DeviceTask::get_subtask_count(int num, int max_size)
- {
- if (max_size != 0) {
- int max_size_num;
- if (type == SHADER) {
- max_size_num = (shader_w + max_size - 1) / max_size;
- }
- else {
- max_size = max(1, max_size / w);
- max_size_num = (h + max_size - 1) / max_size;
- }
- num = max(max_size_num, num);
- }
- if (type == SHADER) {
- num = min(shader_w, num);
- }
- else if (type == RENDER) {
- }
- else {
- num = min(h, num);
- }
- return num;
- }
- void DeviceTask::split(list<DeviceTask> &tasks, int num, int max_size)
- {
- num = get_subtask_count(num, max_size);
- if (type == SHADER) {
- for (int i = 0; i < num; i++) {
- int tx = shader_x + (shader_w / num) * i;
- int tw = (i == num - 1) ? shader_w - i * (shader_w / num) : shader_w / num;
- DeviceTask task = *this;
- task.shader_x = tx;
- task.shader_w = tw;
- tasks.push_back(task);
- }
- }
- else if (type == RENDER) {
- for (int i = 0; i < num; i++)
- tasks.push_back(*this);
- }
- else {
- for (int i = 0; i < num; i++) {
- int ty = y + (h / num) * i;
- int th = (i == num - 1) ? h - i * (h / num) : h / num;
- DeviceTask task = *this;
- task.y = ty;
- task.h = th;
- tasks.push_back(task);
- }
- }
- }
- void DeviceTask::update_progress(RenderTile *rtile, int pixel_samples)
- {
- if ((type != RENDER) && (type != SHADER))
- return;
- if (update_progress_sample) {
- if (pixel_samples == -1) {
- pixel_samples = shader_w;
- }
- update_progress_sample(pixel_samples, rtile ? rtile->sample : 0);
- }
- if (update_tile_sample) {
- double current_time = time_dt();
- if (current_time - last_update_time >= 1.0) {
- update_tile_sample(*rtile);
- last_update_time = current_time;
- }
- }
- }
- CCL_NAMESPACE_END
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