1515 lines
50 KiB
C++
1515 lines
50 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include "device/device.h"
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#include "render/background.h"
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#include "render/buffers.h"
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#include "render/camera.h"
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#include "render/colorspace.h"
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#include "render/film.h"
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#include "render/integrator.h"
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#include "render/light.h"
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#include "render/mesh.h"
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#include "render/object.h"
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#include "render/scene.h"
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#include "render/session.h"
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#include "render/shader.h"
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#include "render/stats.h"
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#include "util/util_algorithm.h"
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#include "util/util_color.h"
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#include "util/util_foreach.h"
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#include "util/util_function.h"
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#include "util/util_hash.h"
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#include "util/util_logging.h"
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#include "util/util_murmurhash.h"
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#include "util/util_progress.h"
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#include "util/util_time.h"
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#include "blender/blender_sync.h"
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#include "blender/blender_session.h"
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#include "blender/blender_util.h"
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CCL_NAMESPACE_BEGIN
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bool BlenderSession::headless = false;
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int BlenderSession::num_resumable_chunks = 0;
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int BlenderSession::current_resumable_chunk = 0;
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int BlenderSession::start_resumable_chunk = 0;
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int BlenderSession::end_resumable_chunk = 0;
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bool BlenderSession::print_render_stats = false;
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BlenderSession::BlenderSession(BL::RenderEngine &b_engine,
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BL::Preferences &b_userpref,
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BL::BlendData &b_data,
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bool preview_osl)
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: session(NULL),
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sync(NULL),
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b_engine(b_engine),
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b_userpref(b_userpref),
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b_data(b_data),
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b_render(b_engine.render()),
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b_depsgraph(PointerRNA_NULL),
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b_scene(PointerRNA_NULL),
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b_v3d(PointerRNA_NULL),
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b_rv3d(PointerRNA_NULL),
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width(0),
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height(0),
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preview_osl(preview_osl),
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python_thread_state(NULL)
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{
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/* offline render */
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background = true;
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last_redraw_time = 0.0;
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start_resize_time = 0.0;
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last_status_time = 0.0;
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}
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BlenderSession::BlenderSession(BL::RenderEngine &b_engine,
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BL::Preferences &b_userpref,
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BL::BlendData &b_data,
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BL::SpaceView3D &b_v3d,
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BL::RegionView3D &b_rv3d,
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int width,
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int height)
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: session(NULL),
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sync(NULL),
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b_engine(b_engine),
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b_userpref(b_userpref),
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b_data(b_data),
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b_render(b_engine.render()),
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b_depsgraph(PointerRNA_NULL),
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b_scene(PointerRNA_NULL),
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b_v3d(b_v3d),
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b_rv3d(b_rv3d),
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width(width),
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height(height),
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preview_osl(false),
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python_thread_state(NULL)
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{
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/* 3d view render */
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background = false;
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last_redraw_time = 0.0;
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start_resize_time = 0.0;
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last_status_time = 0.0;
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}
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BlenderSession::~BlenderSession()
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{
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free_session();
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}
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void BlenderSession::create()
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{
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create_session();
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}
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void BlenderSession::create_session()
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{
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SessionParams session_params = BlenderSync::get_session_params(
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b_engine, b_userpref, b_scene, background);
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SceneParams scene_params = BlenderSync::get_scene_params(b_scene, background);
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bool session_pause = BlenderSync::get_session_pause(b_scene, background);
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/* reset status/progress */
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last_status = "";
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last_error = "";
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last_progress = -1.0f;
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start_resize_time = 0.0;
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/* create session */
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session = new Session(session_params);
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session->scene = scene;
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session->progress.set_update_callback(function_bind(&BlenderSession::tag_redraw, this));
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session->progress.set_cancel_callback(function_bind(&BlenderSession::test_cancel, this));
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session->set_pause(session_pause);
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/* create scene */
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scene = new Scene(scene_params, session->device);
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scene->name = b_scene.name();
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/* setup callbacks for builtin image support */
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scene->image_manager->builtin_image_info_cb = function_bind(
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&BlenderSession::builtin_image_info, this, _1, _2, _3);
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scene->image_manager->builtin_image_pixels_cb = function_bind(
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&BlenderSession::builtin_image_pixels, this, _1, _2, _3, _4, _5, _6);
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scene->image_manager->builtin_image_float_pixels_cb = function_bind(
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&BlenderSession::builtin_image_float_pixels, this, _1, _2, _3, _4, _5, _6);
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session->scene = scene;
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/* There is no single depsgraph to use for the entire render.
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* So we need to handle this differently.
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*
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* We could loop over the final render result render layers in pipeline and keep Cycles unaware
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* of multiple layers, or perhaps move syncing further down in the pipeline.
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*/
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/* create sync */
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sync = new BlenderSync(b_engine, b_data, b_scene, scene, !background, session->progress);
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BL::Object b_camera_override(b_engine.camera_override());
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if (b_v3d) {
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sync->sync_view(b_v3d, b_rv3d, width, height);
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}
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else {
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sync->sync_camera(b_render, b_camera_override, width, height, "");
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}
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/* set buffer parameters */
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BufferParams buffer_params = BlenderSync::get_buffer_params(
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b_render, b_v3d, b_rv3d, scene->camera, width, height);
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session->reset(buffer_params, session_params.samples);
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b_engine.use_highlight_tiles(session_params.progressive_refine == false);
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update_resumable_tile_manager(session_params.samples);
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}
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void BlenderSession::reset_session(BL::BlendData &b_data, BL::Depsgraph &b_depsgraph)
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{
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this->b_data = b_data;
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this->b_depsgraph = b_depsgraph;
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this->b_scene = b_depsgraph.scene_eval();
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if (preview_osl) {
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PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
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RNA_boolean_set(&cscene, "shading_system", preview_osl);
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}
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if (b_v3d) {
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this->b_render = b_scene.render();
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}
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else {
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this->b_render = b_engine.render();
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width = render_resolution_x(b_render);
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height = render_resolution_y(b_render);
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}
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if (session == NULL) {
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create();
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}
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if (b_v3d) {
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/* NOTE: We need to create session, but all the code from below
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* will make viewport render to stuck on initialization.
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*/
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return;
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}
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SessionParams session_params = BlenderSync::get_session_params(
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b_engine, b_userpref, b_scene, background);
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SceneParams scene_params = BlenderSync::get_scene_params(b_scene, background);
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if (scene->params.modified(scene_params) || session->params.modified(session_params) ||
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!scene_params.persistent_data) {
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/* if scene or session parameters changed, it's easier to simply re-create
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* them rather than trying to distinguish which settings need to be updated
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*/
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free_session();
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create_session();
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return;
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}
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session->progress.reset();
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scene->reset();
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session->tile_manager.set_tile_order(session_params.tile_order);
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/* peak memory usage should show current render peak, not peak for all renders
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* made by this render session
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*/
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session->stats.mem_peak = session->stats.mem_used;
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/* There is no single depsgraph to use for the entire render.
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* See note on create_session().
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*/
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/* sync object should be re-created */
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sync = new BlenderSync(b_engine, b_data, b_scene, scene, !background, session->progress);
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BL::SpaceView3D b_null_space_view3d(PointerRNA_NULL);
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BL::RegionView3D b_null_region_view3d(PointerRNA_NULL);
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BufferParams buffer_params = BlenderSync::get_buffer_params(
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b_render, b_null_space_view3d, b_null_region_view3d, scene->camera, width, height);
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session->reset(buffer_params, session_params.samples);
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b_engine.use_highlight_tiles(session_params.progressive_refine == false);
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/* reset time */
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start_resize_time = 0.0;
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}
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void BlenderSession::free_session()
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{
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if (sync)
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delete sync;
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delete session;
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}
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static ShaderEvalType get_shader_type(const string &pass_type)
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{
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const char *shader_type = pass_type.c_str();
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/* data passes */
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if (strcmp(shader_type, "NORMAL") == 0)
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return SHADER_EVAL_NORMAL;
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else if (strcmp(shader_type, "UV") == 0)
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return SHADER_EVAL_UV;
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else if (strcmp(shader_type, "ROUGHNESS") == 0)
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return SHADER_EVAL_ROUGHNESS;
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else if (strcmp(shader_type, "DIFFUSE_COLOR") == 0)
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return SHADER_EVAL_DIFFUSE_COLOR;
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else if (strcmp(shader_type, "GLOSSY_COLOR") == 0)
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return SHADER_EVAL_GLOSSY_COLOR;
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else if (strcmp(shader_type, "TRANSMISSION_COLOR") == 0)
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return SHADER_EVAL_TRANSMISSION_COLOR;
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else if (strcmp(shader_type, "SUBSURFACE_COLOR") == 0)
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return SHADER_EVAL_SUBSURFACE_COLOR;
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else if (strcmp(shader_type, "EMIT") == 0)
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return SHADER_EVAL_EMISSION;
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/* light passes */
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else if (strcmp(shader_type, "AO") == 0)
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return SHADER_EVAL_AO;
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else if (strcmp(shader_type, "COMBINED") == 0)
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return SHADER_EVAL_COMBINED;
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else if (strcmp(shader_type, "SHADOW") == 0)
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return SHADER_EVAL_SHADOW;
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else if (strcmp(shader_type, "DIFFUSE") == 0)
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return SHADER_EVAL_DIFFUSE;
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else if (strcmp(shader_type, "GLOSSY") == 0)
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return SHADER_EVAL_GLOSSY;
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else if (strcmp(shader_type, "TRANSMISSION") == 0)
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return SHADER_EVAL_TRANSMISSION;
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else if (strcmp(shader_type, "SUBSURFACE") == 0)
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return SHADER_EVAL_SUBSURFACE;
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/* extra */
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else if (strcmp(shader_type, "ENVIRONMENT") == 0)
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return SHADER_EVAL_ENVIRONMENT;
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else
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return SHADER_EVAL_BAKE;
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}
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static BL::RenderResult begin_render_result(BL::RenderEngine &b_engine,
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int x,
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int y,
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int w,
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int h,
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const char *layername,
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const char *viewname)
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{
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return b_engine.begin_result(x, y, w, h, layername, viewname);
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}
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static void end_render_result(BL::RenderEngine &b_engine,
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BL::RenderResult &b_rr,
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bool cancel,
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bool highlight,
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bool do_merge_results)
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{
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b_engine.end_result(b_rr, (int)cancel, (int)highlight, (int)do_merge_results);
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}
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void BlenderSession::do_write_update_render_tile(RenderTile &rtile,
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bool do_update_only,
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bool highlight)
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{
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int x = rtile.x - session->tile_manager.params.full_x;
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int y = rtile.y - session->tile_manager.params.full_y;
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int w = rtile.w;
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int h = rtile.h;
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/* get render result */
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BL::RenderResult b_rr = begin_render_result(
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b_engine, x, y, w, h, b_rlay_name.c_str(), b_rview_name.c_str());
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/* can happen if the intersected rectangle gives 0 width or height */
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if (b_rr.ptr.data == NULL) {
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return;
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}
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BL::RenderResult::layers_iterator b_single_rlay;
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b_rr.layers.begin(b_single_rlay);
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/* layer will be missing if it was disabled in the UI */
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if (b_single_rlay == b_rr.layers.end())
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return;
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BL::RenderLayer b_rlay = *b_single_rlay;
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if (do_update_only) {
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/* Sample would be zero at initial tile update, which is only needed
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* to tag tile form blender side as IN PROGRESS for proper highlight
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* no buffers should be sent to blender yet. For denoise we also
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* keep showing the noisy buffers until denoise is done. */
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bool merge = (rtile.sample != 0) && (rtile.task != RenderTile::DENOISE);
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if (merge) {
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update_render_result(b_rlay, rtile);
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}
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end_render_result(b_engine, b_rr, true, highlight, merge);
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}
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else {
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/* Write final render result. */
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write_render_result(b_rlay, rtile);
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end_render_result(b_engine, b_rr, false, false, true);
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}
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}
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void BlenderSession::write_render_tile(RenderTile &rtile)
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{
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do_write_update_render_tile(rtile, false, false);
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}
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void BlenderSession::update_render_tile(RenderTile &rtile, bool highlight)
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{
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/* use final write for preview renders, otherwise render result wouldn't be
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* be updated in blender side
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* would need to be investigated a bit further, but for now shall be fine
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*/
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if (!b_engine.is_preview())
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do_write_update_render_tile(rtile, true, highlight);
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else
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do_write_update_render_tile(rtile, false, false);
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}
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static void add_cryptomatte_layer(BL::RenderResult &b_rr, string name, string manifest)
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{
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string identifier = string_printf("%08x", util_murmur_hash3(name.c_str(), name.length(), 0));
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string prefix = "cryptomatte/" + identifier.substr(0, 7) + "/";
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render_add_metadata(b_rr, prefix + "name", name);
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render_add_metadata(b_rr, prefix + "hash", "MurmurHash3_32");
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render_add_metadata(b_rr, prefix + "conversion", "uint32_to_float32");
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render_add_metadata(b_rr, prefix + "manifest", manifest);
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}
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void BlenderSession::stamp_view_layer_metadata(Scene *scene, const string &view_layer_name)
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{
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BL::RenderResult b_rr = b_engine.get_result();
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string prefix = "cycles." + view_layer_name + ".";
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/* Configured number of samples for the view layer. */
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b_rr.stamp_data_add_field((prefix + "samples").c_str(),
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to_string(session->params.samples).c_str());
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/* Store ranged samples information. */
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if (session->tile_manager.range_num_samples != -1) {
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b_rr.stamp_data_add_field((prefix + "range_start_sample").c_str(),
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to_string(session->tile_manager.range_start_sample).c_str());
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b_rr.stamp_data_add_field((prefix + "range_num_samples").c_str(),
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to_string(session->tile_manager.range_num_samples).c_str());
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}
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/* Write cryptomatte metadata. */
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if (scene->film->cryptomatte_passes & CRYPT_OBJECT) {
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add_cryptomatte_layer(b_rr,
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view_layer_name + ".CryptoObject",
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scene->object_manager->get_cryptomatte_objects(scene));
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}
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if (scene->film->cryptomatte_passes & CRYPT_MATERIAL) {
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add_cryptomatte_layer(b_rr,
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view_layer_name + ".CryptoMaterial",
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scene->shader_manager->get_cryptomatte_materials(scene));
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}
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if (scene->film->cryptomatte_passes & CRYPT_ASSET) {
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add_cryptomatte_layer(b_rr,
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view_layer_name + ".CryptoAsset",
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scene->object_manager->get_cryptomatte_assets(scene));
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}
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/* Store synchronization and bare-render times. */
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double total_time, render_time;
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session->progress.get_time(total_time, render_time);
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b_rr.stamp_data_add_field((prefix + "total_time").c_str(),
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time_human_readable_from_seconds(total_time).c_str());
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b_rr.stamp_data_add_field((prefix + "render_time").c_str(),
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time_human_readable_from_seconds(render_time).c_str());
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b_rr.stamp_data_add_field((prefix + "synchronization_time").c_str(),
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time_human_readable_from_seconds(total_time - render_time).c_str());
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}
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void BlenderSession::render(BL::Depsgraph &b_depsgraph_)
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{
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b_depsgraph = b_depsgraph_;
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/* set callback to write out render results */
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session->write_render_tile_cb = function_bind(&BlenderSession::write_render_tile, this, _1);
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session->update_render_tile_cb = function_bind(
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&BlenderSession::update_render_tile, this, _1, _2);
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/* get buffer parameters */
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SessionParams session_params = BlenderSync::get_session_params(
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b_engine, b_userpref, b_scene, background);
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BufferParams buffer_params = BlenderSync::get_buffer_params(
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b_render, b_v3d, b_rv3d, scene->camera, width, height);
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/* render each layer */
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BL::ViewLayer b_view_layer = b_depsgraph.view_layer_eval();
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/* temporary render result to find needed passes and views */
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BL::RenderResult b_rr = begin_render_result(
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b_engine, 0, 0, 1, 1, b_view_layer.name().c_str(), NULL);
|
|
BL::RenderResult::layers_iterator b_single_rlay;
|
|
b_rr.layers.begin(b_single_rlay);
|
|
BL::RenderLayer b_rlay = *b_single_rlay;
|
|
b_rlay_name = b_view_layer.name();
|
|
|
|
/* add passes */
|
|
vector<Pass> passes = sync->sync_render_passes(b_rlay, b_view_layer);
|
|
buffer_params.passes = passes;
|
|
|
|
PointerRNA crl = RNA_pointer_get(&b_view_layer.ptr, "cycles");
|
|
bool full_denoising = get_boolean(crl, "use_denoising");
|
|
bool write_denoising_passes = get_boolean(crl, "denoising_store_passes");
|
|
|
|
bool run_denoising = full_denoising || write_denoising_passes;
|
|
|
|
session->tile_manager.schedule_denoising = run_denoising;
|
|
buffer_params.denoising_data_pass = run_denoising;
|
|
buffer_params.denoising_clean_pass = (scene->film->denoising_flags & DENOISING_CLEAN_ALL_PASSES);
|
|
buffer_params.denoising_prefiltered_pass = write_denoising_passes;
|
|
|
|
session->params.run_denoising = run_denoising;
|
|
session->params.full_denoising = full_denoising;
|
|
session->params.write_denoising_passes = write_denoising_passes;
|
|
session->params.denoising.radius = get_int(crl, "denoising_radius");
|
|
session->params.denoising.strength = get_float(crl, "denoising_strength");
|
|
session->params.denoising.feature_strength = get_float(crl, "denoising_feature_strength");
|
|
session->params.denoising.relative_pca = get_boolean(crl, "denoising_relative_pca");
|
|
|
|
scene->film->denoising_data_pass = buffer_params.denoising_data_pass;
|
|
scene->film->denoising_clean_pass = buffer_params.denoising_clean_pass;
|
|
scene->film->denoising_prefiltered_pass = buffer_params.denoising_prefiltered_pass;
|
|
|
|
scene->film->pass_alpha_threshold = b_view_layer.pass_alpha_threshold();
|
|
scene->film->tag_passes_update(scene, passes);
|
|
scene->film->tag_update(scene);
|
|
scene->integrator->tag_update(scene);
|
|
|
|
BL::RenderResult::views_iterator b_view_iter;
|
|
|
|
int num_views = 0;
|
|
for (b_rr.views.begin(b_view_iter); b_view_iter != b_rr.views.end(); ++b_view_iter) {
|
|
num_views++;
|
|
}
|
|
|
|
int view_index = 0;
|
|
for (b_rr.views.begin(b_view_iter); b_view_iter != b_rr.views.end();
|
|
++b_view_iter, ++view_index) {
|
|
b_rview_name = b_view_iter->name();
|
|
|
|
/* set the current view */
|
|
b_engine.active_view_set(b_rview_name.c_str());
|
|
|
|
/* update scene */
|
|
BL::Object b_camera_override(b_engine.camera_override());
|
|
sync->sync_camera(b_render, b_camera_override, width, height, b_rview_name.c_str());
|
|
sync->sync_data(
|
|
b_render, b_depsgraph, b_v3d, b_camera_override, width, height, &python_thread_state);
|
|
builtin_images_load();
|
|
|
|
/* Attempt to free all data which is held by Blender side, since at this
|
|
* point we know that we've got everything to render current view layer.
|
|
*/
|
|
/* At the moment we only free if we are not doing multi-view
|
|
* (or if we are rendering the last view). See T58142/D4239 for discussion.
|
|
*/
|
|
if (view_index == num_views - 1) {
|
|
free_blender_memory_if_possible();
|
|
}
|
|
|
|
/* Make sure all views have different noise patterns. - hardcoded value just to make it random
|
|
*/
|
|
if (view_index != 0) {
|
|
scene->integrator->seed += hash_int_2d(scene->integrator->seed,
|
|
hash_int(view_index * 0xdeadbeef));
|
|
scene->integrator->tag_update(scene);
|
|
}
|
|
|
|
/* Update number of samples per layer. */
|
|
int samples = sync->get_layer_samples();
|
|
bool bound_samples = sync->get_layer_bound_samples();
|
|
int effective_layer_samples;
|
|
|
|
if (samples != 0 && (!bound_samples || (samples < session_params.samples)))
|
|
effective_layer_samples = samples;
|
|
else
|
|
effective_layer_samples = session_params.samples;
|
|
|
|
/* Update tile manager if we're doing resumable render. */
|
|
update_resumable_tile_manager(effective_layer_samples);
|
|
|
|
/* Update session itself. */
|
|
session->reset(buffer_params, effective_layer_samples);
|
|
|
|
/* render */
|
|
session->start();
|
|
session->wait();
|
|
|
|
if (!b_engine.is_preview() && background && print_render_stats) {
|
|
RenderStats stats;
|
|
session->collect_statistics(&stats);
|
|
printf("Render statistics:\n%s\n", stats.full_report().c_str());
|
|
}
|
|
|
|
if (session->progress.get_cancel())
|
|
break;
|
|
}
|
|
|
|
/* add metadata */
|
|
stamp_view_layer_metadata(scene, b_rlay_name);
|
|
|
|
/* free result without merging */
|
|
end_render_result(b_engine, b_rr, true, true, false);
|
|
|
|
double total_time, render_time;
|
|
session->progress.get_time(total_time, render_time);
|
|
VLOG(1) << "Total render time: " << total_time;
|
|
VLOG(1) << "Render time (without synchronization): " << render_time;
|
|
|
|
/* clear callback */
|
|
session->write_render_tile_cb = function_null;
|
|
session->update_render_tile_cb = function_null;
|
|
|
|
/* TODO: find a way to clear this data for persistent data render */
|
|
#if 0
|
|
/* free all memory used (host and device), so we wouldn't leave render
|
|
* engine with extra memory allocated
|
|
*/
|
|
|
|
session->device_free();
|
|
|
|
delete sync;
|
|
sync = NULL;
|
|
#endif
|
|
}
|
|
|
|
static void populate_bake_data(BakeData *data,
|
|
const int object_id,
|
|
BL::BakePixel &pixel_array,
|
|
const int num_pixels)
|
|
{
|
|
BL::BakePixel bp = pixel_array;
|
|
|
|
int i;
|
|
for (i = 0; i < num_pixels; i++) {
|
|
if (bp.object_id() == object_id) {
|
|
data->set(i, bp.primitive_id(), bp.uv(), bp.du_dx(), bp.du_dy(), bp.dv_dx(), bp.dv_dy());
|
|
}
|
|
else {
|
|
data->set_null(i);
|
|
}
|
|
bp = bp.next();
|
|
}
|
|
}
|
|
|
|
static int bake_pass_filter_get(const int pass_filter)
|
|
{
|
|
int flag = BAKE_FILTER_NONE;
|
|
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_DIRECT) != 0)
|
|
flag |= BAKE_FILTER_DIRECT;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_INDIRECT) != 0)
|
|
flag |= BAKE_FILTER_INDIRECT;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_COLOR) != 0)
|
|
flag |= BAKE_FILTER_COLOR;
|
|
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_DIFFUSE) != 0)
|
|
flag |= BAKE_FILTER_DIFFUSE;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_GLOSSY) != 0)
|
|
flag |= BAKE_FILTER_GLOSSY;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_TRANSMISSION) != 0)
|
|
flag |= BAKE_FILTER_TRANSMISSION;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_SUBSURFACE) != 0)
|
|
flag |= BAKE_FILTER_SUBSURFACE;
|
|
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_EMIT) != 0)
|
|
flag |= BAKE_FILTER_EMISSION;
|
|
if ((pass_filter & BL::BakeSettings::pass_filter_AO) != 0)
|
|
flag |= BAKE_FILTER_AO;
|
|
|
|
return flag;
|
|
}
|
|
|
|
void BlenderSession::bake(BL::Depsgraph &b_depsgraph_,
|
|
BL::Object &b_object,
|
|
const string &pass_type,
|
|
const int pass_filter,
|
|
const int object_id,
|
|
BL::BakePixel &pixel_array,
|
|
const size_t num_pixels,
|
|
const int /*depth*/,
|
|
float result[])
|
|
{
|
|
b_depsgraph = b_depsgraph_;
|
|
|
|
ShaderEvalType shader_type = get_shader_type(pass_type);
|
|
|
|
/* Set baking flag in advance, so kernel loading can check if we need
|
|
* any baking capabilities.
|
|
*/
|
|
scene->bake_manager->set_baking(true);
|
|
|
|
/* ensure kernels are loaded before we do any scene updates */
|
|
session->load_kernels();
|
|
|
|
if (shader_type == SHADER_EVAL_UV) {
|
|
/* force UV to be available */
|
|
Pass::add(PASS_UV, scene->film->passes);
|
|
}
|
|
|
|
int bake_pass_filter = bake_pass_filter_get(pass_filter);
|
|
bake_pass_filter = BakeManager::shader_type_to_pass_filter(shader_type, bake_pass_filter);
|
|
|
|
/* force use_light_pass to be true if we bake more than just colors */
|
|
if (bake_pass_filter & ~BAKE_FILTER_COLOR) {
|
|
Pass::add(PASS_LIGHT, scene->film->passes);
|
|
}
|
|
|
|
/* create device and update scene */
|
|
scene->film->tag_update(scene);
|
|
scene->integrator->tag_update(scene);
|
|
|
|
if (!session->progress.get_cancel()) {
|
|
/* update scene */
|
|
BL::Object b_camera_override(b_engine.camera_override());
|
|
sync->sync_camera(b_render, b_camera_override, width, height, "");
|
|
sync->sync_data(
|
|
b_render, b_depsgraph, b_v3d, b_camera_override, width, height, &python_thread_state);
|
|
builtin_images_load();
|
|
}
|
|
|
|
BakeData *bake_data = NULL;
|
|
|
|
if (!session->progress.get_cancel()) {
|
|
/* get buffer parameters */
|
|
SessionParams session_params = BlenderSync::get_session_params(
|
|
b_engine, b_userpref, b_scene, background);
|
|
BufferParams buffer_params = BlenderSync::get_buffer_params(
|
|
b_render, b_v3d, b_rv3d, scene->camera, width, height);
|
|
|
|
scene->bake_manager->set_shader_limit((size_t)b_engine.tile_x(), (size_t)b_engine.tile_y());
|
|
|
|
/* set number of samples */
|
|
session->tile_manager.set_samples(session_params.samples);
|
|
session->reset(buffer_params, session_params.samples);
|
|
session->update_scene();
|
|
|
|
/* find object index. todo: is arbitrary - copied from mesh_displace.cpp */
|
|
size_t object_index = OBJECT_NONE;
|
|
int tri_offset = 0;
|
|
|
|
for (size_t i = 0; i < scene->objects.size(); i++) {
|
|
if (strcmp(scene->objects[i]->name.c_str(), b_object.name().c_str()) == 0) {
|
|
object_index = i;
|
|
tri_offset = scene->objects[i]->mesh->tri_offset;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Object might have been disabled for rendering or excluded in some
|
|
* other way, in that case Blender will report a warning afterwards. */
|
|
if (object_index != OBJECT_NONE) {
|
|
int object = object_index;
|
|
|
|
bake_data = scene->bake_manager->init(object, tri_offset, num_pixels);
|
|
populate_bake_data(bake_data, object_id, pixel_array, num_pixels);
|
|
}
|
|
|
|
/* set number of samples */
|
|
session->tile_manager.set_samples(session_params.samples);
|
|
session->reset(buffer_params, session_params.samples);
|
|
session->update_scene();
|
|
|
|
session->progress.set_update_callback(
|
|
function_bind(&BlenderSession::update_bake_progress, this));
|
|
}
|
|
|
|
/* Perform bake. Check cancel to avoid crash with incomplete scene data. */
|
|
if (!session->progress.get_cancel() && bake_data) {
|
|
scene->bake_manager->bake(scene->device,
|
|
&scene->dscene,
|
|
scene,
|
|
session->progress,
|
|
shader_type,
|
|
bake_pass_filter,
|
|
bake_data,
|
|
result);
|
|
}
|
|
|
|
/* free all memory used (host and device), so we wouldn't leave render
|
|
* engine with extra memory allocated
|
|
*/
|
|
|
|
session->device_free();
|
|
|
|
delete sync;
|
|
sync = NULL;
|
|
}
|
|
|
|
void BlenderSession::do_write_update_render_result(BL::RenderLayer &b_rlay,
|
|
RenderTile &rtile,
|
|
bool do_update_only)
|
|
{
|
|
RenderBuffers *buffers = rtile.buffers;
|
|
|
|
/* copy data from device */
|
|
if (!buffers->copy_from_device())
|
|
return;
|
|
|
|
float exposure = scene->film->exposure;
|
|
|
|
vector<float> pixels(rtile.w * rtile.h * 4);
|
|
|
|
/* Adjust absolute sample number to the range. */
|
|
int sample = rtile.sample;
|
|
const int range_start_sample = session->tile_manager.range_start_sample;
|
|
if (range_start_sample != -1) {
|
|
sample -= range_start_sample;
|
|
}
|
|
|
|
if (!do_update_only) {
|
|
/* copy each pass */
|
|
BL::RenderLayer::passes_iterator b_iter;
|
|
|
|
for (b_rlay.passes.begin(b_iter); b_iter != b_rlay.passes.end(); ++b_iter) {
|
|
BL::RenderPass b_pass(*b_iter);
|
|
|
|
/* find matching pass type */
|
|
PassType pass_type = BlenderSync::get_pass_type(b_pass);
|
|
int components = b_pass.channels();
|
|
|
|
bool read = false;
|
|
if (pass_type != PASS_NONE) {
|
|
/* copy pixels */
|
|
read = buffers->get_pass_rect(
|
|
pass_type, exposure, sample, components, &pixels[0], b_pass.name());
|
|
}
|
|
else {
|
|
int denoising_offset = BlenderSync::get_denoising_pass(b_pass);
|
|
if (denoising_offset >= 0) {
|
|
read = buffers->get_denoising_pass_rect(
|
|
denoising_offset, exposure, sample, components, &pixels[0]);
|
|
}
|
|
}
|
|
|
|
if (!read) {
|
|
memset(&pixels[0], 0, pixels.size() * sizeof(float));
|
|
}
|
|
|
|
b_pass.rect(&pixels[0]);
|
|
}
|
|
}
|
|
else {
|
|
/* copy combined pass */
|
|
BL::RenderPass b_combined_pass(b_rlay.passes.find_by_name("Combined", b_rview_name.c_str()));
|
|
if (buffers->get_pass_rect(PASS_COMBINED, exposure, sample, 4, &pixels[0], "Combined"))
|
|
b_combined_pass.rect(&pixels[0]);
|
|
}
|
|
}
|
|
|
|
void BlenderSession::write_render_result(BL::RenderLayer &b_rlay, RenderTile &rtile)
|
|
{
|
|
do_write_update_render_result(b_rlay, rtile, false);
|
|
}
|
|
|
|
void BlenderSession::update_render_result(BL::RenderLayer &b_rlay, RenderTile &rtile)
|
|
{
|
|
do_write_update_render_result(b_rlay, rtile, true);
|
|
}
|
|
|
|
void BlenderSession::synchronize(BL::Depsgraph &b_depsgraph_)
|
|
{
|
|
/* only used for viewport render */
|
|
if (!b_v3d)
|
|
return;
|
|
|
|
/* on session/scene parameter changes, we recreate session entirely */
|
|
SessionParams session_params = BlenderSync::get_session_params(
|
|
b_engine, b_userpref, b_scene, background);
|
|
SceneParams scene_params = BlenderSync::get_scene_params(b_scene, background);
|
|
bool session_pause = BlenderSync::get_session_pause(b_scene, background);
|
|
|
|
if (session->params.modified(session_params) || scene->params.modified(scene_params)) {
|
|
free_session();
|
|
create_session();
|
|
return;
|
|
}
|
|
|
|
/* increase samples, but never decrease */
|
|
session->set_samples(session_params.samples);
|
|
session->set_pause(session_pause);
|
|
|
|
/* copy recalc flags, outside of mutex so we can decide to do the real
|
|
* synchronization at a later time to not block on running updates */
|
|
sync->sync_recalc(b_depsgraph_);
|
|
|
|
/* don't do synchronization if on pause */
|
|
if (session_pause) {
|
|
tag_update();
|
|
return;
|
|
}
|
|
|
|
/* try to acquire mutex. if we don't want to or can't, come back later */
|
|
if (!session->ready_to_reset() || !session->scene->mutex.try_lock()) {
|
|
tag_update();
|
|
return;
|
|
}
|
|
|
|
/* data and camera synchronize */
|
|
b_depsgraph = b_depsgraph_;
|
|
|
|
BL::Object b_camera_override(b_engine.camera_override());
|
|
sync->sync_data(
|
|
b_render, b_depsgraph, b_v3d, b_camera_override, width, height, &python_thread_state);
|
|
|
|
if (b_rv3d)
|
|
sync->sync_view(b_v3d, b_rv3d, width, height);
|
|
else
|
|
sync->sync_camera(b_render, b_camera_override, width, height, "");
|
|
|
|
/* reset if needed */
|
|
if (scene->need_reset()) {
|
|
BufferParams buffer_params = BlenderSync::get_buffer_params(
|
|
b_render, b_v3d, b_rv3d, scene->camera, width, height);
|
|
session->reset(buffer_params, session_params.samples);
|
|
|
|
/* After session reset, so device is not accessing image data anymore. */
|
|
builtin_images_load();
|
|
|
|
/* reset time */
|
|
start_resize_time = 0.0;
|
|
}
|
|
|
|
/* unlock */
|
|
session->scene->mutex.unlock();
|
|
|
|
/* Start rendering thread, if it's not running already. Do this
|
|
* after all scene data has been synced at least once. */
|
|
session->start();
|
|
}
|
|
|
|
bool BlenderSession::draw(int w, int h)
|
|
{
|
|
/* pause in redraw in case update is not being called due to final render */
|
|
session->set_pause(BlenderSync::get_session_pause(b_scene, background));
|
|
|
|
/* before drawing, we verify camera and viewport size changes, because
|
|
* we do not get update callbacks for those, we must detect them here */
|
|
if (session->ready_to_reset()) {
|
|
bool reset = false;
|
|
|
|
/* if dimensions changed, reset */
|
|
if (width != w || height != h) {
|
|
if (start_resize_time == 0.0) {
|
|
/* don't react immediately to resizes to avoid flickery resizing
|
|
* of the viewport, and some window managers changing the window
|
|
* size temporarily on unminimize */
|
|
start_resize_time = time_dt();
|
|
tag_redraw();
|
|
}
|
|
else if (time_dt() - start_resize_time < 0.2) {
|
|
tag_redraw();
|
|
}
|
|
else {
|
|
width = w;
|
|
height = h;
|
|
reset = true;
|
|
}
|
|
}
|
|
|
|
/* try to acquire mutex. if we can't, come back later */
|
|
if (!session->scene->mutex.try_lock()) {
|
|
tag_update();
|
|
}
|
|
else {
|
|
/* update camera from 3d view */
|
|
|
|
sync->sync_view(b_v3d, b_rv3d, width, height);
|
|
|
|
if (scene->camera->need_update)
|
|
reset = true;
|
|
|
|
session->scene->mutex.unlock();
|
|
}
|
|
|
|
/* reset if requested */
|
|
if (reset) {
|
|
SessionParams session_params = BlenderSync::get_session_params(
|
|
b_engine, b_userpref, b_scene, background);
|
|
BufferParams buffer_params = BlenderSync::get_buffer_params(
|
|
b_render, b_v3d, b_rv3d, scene->camera, width, height);
|
|
bool session_pause = BlenderSync::get_session_pause(b_scene, background);
|
|
|
|
if (session_pause == false) {
|
|
session->reset(buffer_params, session_params.samples);
|
|
start_resize_time = 0.0;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
tag_update();
|
|
}
|
|
|
|
/* update status and progress for 3d view draw */
|
|
update_status_progress();
|
|
|
|
/* draw */
|
|
BufferParams buffer_params = BlenderSync::get_buffer_params(
|
|
b_render, b_v3d, b_rv3d, scene->camera, width, height);
|
|
DeviceDrawParams draw_params;
|
|
|
|
if (session->params.display_buffer_linear) {
|
|
draw_params.bind_display_space_shader_cb = function_bind(
|
|
&BL::RenderEngine::bind_display_space_shader, &b_engine, b_scene);
|
|
draw_params.unbind_display_space_shader_cb = function_bind(
|
|
&BL::RenderEngine::unbind_display_space_shader, &b_engine);
|
|
}
|
|
|
|
return !session->draw(buffer_params, draw_params);
|
|
}
|
|
|
|
void BlenderSession::get_status(string &status, string &substatus)
|
|
{
|
|
session->progress.get_status(status, substatus);
|
|
}
|
|
|
|
void BlenderSession::get_kernel_status(string &kernel_status)
|
|
{
|
|
session->progress.get_kernel_status(kernel_status);
|
|
}
|
|
|
|
void BlenderSession::get_progress(float &progress, double &total_time, double &render_time)
|
|
{
|
|
session->progress.get_time(total_time, render_time);
|
|
progress = session->progress.get_progress();
|
|
}
|
|
|
|
void BlenderSession::update_bake_progress()
|
|
{
|
|
float progress = session->progress.get_progress();
|
|
|
|
if (progress != last_progress) {
|
|
b_engine.update_progress(progress);
|
|
last_progress = progress;
|
|
}
|
|
}
|
|
|
|
void BlenderSession::update_status_progress()
|
|
{
|
|
string timestatus, status, substatus, kernel_status;
|
|
string scene_status = "";
|
|
float progress;
|
|
double total_time, remaining_time = 0, render_time;
|
|
float mem_used = (float)session->stats.mem_used / 1024.0f / 1024.0f;
|
|
float mem_peak = (float)session->stats.mem_peak / 1024.0f / 1024.0f;
|
|
|
|
get_status(status, substatus);
|
|
get_kernel_status(kernel_status);
|
|
get_progress(progress, total_time, render_time);
|
|
|
|
if (progress > 0)
|
|
remaining_time = (1.0 - (double)progress) * (render_time / (double)progress);
|
|
|
|
if (background) {
|
|
scene_status += " | " + scene->name;
|
|
if (b_rlay_name != "")
|
|
scene_status += ", " + b_rlay_name;
|
|
|
|
if (b_rview_name != "")
|
|
scene_status += ", " + b_rview_name;
|
|
|
|
if (remaining_time > 0) {
|
|
timestatus += "Remaining:" + time_human_readable_from_seconds(remaining_time) + " | ";
|
|
}
|
|
|
|
timestatus += string_printf("Mem:%.2fM, Peak:%.2fM", (double)mem_used, (double)mem_peak);
|
|
|
|
if (status.size() > 0)
|
|
status = " | " + status;
|
|
if (substatus.size() > 0)
|
|
status += " | " + substatus;
|
|
if (kernel_status.size() > 0)
|
|
status += " | " + kernel_status;
|
|
}
|
|
|
|
double current_time = time_dt();
|
|
/* When rendering in a window, redraw the status at least once per second to keep the elapsed and
|
|
* remaining time up-to-date. For headless rendering, only report when something significant
|
|
* changes to keep the console output readable. */
|
|
if (status != last_status || (!headless && (current_time - last_status_time) > 1.0)) {
|
|
b_engine.update_stats("", (timestatus + scene_status + status).c_str());
|
|
b_engine.update_memory_stats(mem_used, mem_peak);
|
|
last_status = status;
|
|
last_status_time = current_time;
|
|
}
|
|
if (progress != last_progress) {
|
|
b_engine.update_progress(progress);
|
|
last_progress = progress;
|
|
}
|
|
|
|
if (session->progress.get_error()) {
|
|
string error = session->progress.get_error_message();
|
|
if (error != last_error) {
|
|
/* TODO(sergey): Currently C++ RNA API doesn't let us to
|
|
* use mnemonic name for the variable. Would be nice to
|
|
* have this figured out.
|
|
*
|
|
* For until then, 1 << 5 means RPT_ERROR.
|
|
*/
|
|
b_engine.report(1 << 5, error.c_str());
|
|
b_engine.error_set(error.c_str());
|
|
last_error = error;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BlenderSession::tag_update()
|
|
{
|
|
/* tell blender that we want to get another update callback */
|
|
b_engine.tag_update();
|
|
}
|
|
|
|
void BlenderSession::tag_redraw()
|
|
{
|
|
if (background) {
|
|
/* update stats and progress, only for background here because
|
|
* in 3d view we do it in draw for thread safety reasons */
|
|
update_status_progress();
|
|
|
|
/* offline render, redraw if timeout passed */
|
|
if (time_dt() - last_redraw_time > 1.0) {
|
|
b_engine.tag_redraw();
|
|
last_redraw_time = time_dt();
|
|
}
|
|
}
|
|
else {
|
|
/* tell blender that we want to redraw */
|
|
b_engine.tag_redraw();
|
|
}
|
|
}
|
|
|
|
void BlenderSession::test_cancel()
|
|
{
|
|
/* test if we need to cancel rendering */
|
|
if (background)
|
|
if (b_engine.test_break())
|
|
session->progress.set_cancel("Cancelled");
|
|
}
|
|
|
|
/* builtin image file name is actually an image datablock name with
|
|
* absolute sequence frame number concatenated via '@' character
|
|
*
|
|
* this function splits frame from builtin name
|
|
*/
|
|
int BlenderSession::builtin_image_frame(const string &builtin_name)
|
|
{
|
|
int last = builtin_name.find_last_of('@');
|
|
return atoi(builtin_name.substr(last + 1, builtin_name.size() - last - 1).c_str());
|
|
}
|
|
|
|
void BlenderSession::builtin_image_info(const string &builtin_name,
|
|
void *builtin_data,
|
|
ImageMetaData &metadata)
|
|
{
|
|
/* empty image */
|
|
metadata.width = 1;
|
|
metadata.height = 1;
|
|
|
|
if (!builtin_data)
|
|
return;
|
|
|
|
/* recover ID pointer */
|
|
PointerRNA ptr;
|
|
RNA_id_pointer_create((ID *)builtin_data, &ptr);
|
|
BL::ID b_id(ptr);
|
|
|
|
if (b_id.is_a(&RNA_Image)) {
|
|
/* image data */
|
|
BL::Image b_image(b_id);
|
|
|
|
metadata.builtin_free_cache = !b_image.has_data();
|
|
metadata.is_float = b_image.is_float();
|
|
metadata.width = b_image.size()[0];
|
|
metadata.height = b_image.size()[1];
|
|
metadata.depth = 1;
|
|
metadata.channels = b_image.channels();
|
|
|
|
if (metadata.is_float) {
|
|
/* Float images are already converted on the Blender side,
|
|
* no need to do anything in Cycles. */
|
|
metadata.colorspace = u_colorspace_raw;
|
|
}
|
|
}
|
|
else if (b_id.is_a(&RNA_Object)) {
|
|
/* smoke volume data */
|
|
BL::Object b_ob(b_id);
|
|
BL::SmokeDomainSettings b_domain = object_smoke_domain_find(b_ob);
|
|
|
|
metadata.is_float = true;
|
|
metadata.depth = 1;
|
|
metadata.channels = 1;
|
|
|
|
if (!b_domain)
|
|
return;
|
|
|
|
if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_DENSITY) ||
|
|
builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_FLAME) ||
|
|
builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_HEAT) ||
|
|
builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_TEMPERATURE))
|
|
metadata.channels = 1;
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_COLOR))
|
|
metadata.channels = 4;
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_VELOCITY))
|
|
metadata.channels = 3;
|
|
else
|
|
return;
|
|
|
|
int3 resolution = get_int3(b_domain.domain_resolution());
|
|
int amplify = (b_domain.use_high_resolution()) ? b_domain.amplify() + 1 : 1;
|
|
|
|
/* Velocity and heat data is always low-resolution. */
|
|
if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_VELOCITY) ||
|
|
builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_HEAT)) {
|
|
amplify = 1;
|
|
}
|
|
|
|
metadata.width = resolution.x * amplify;
|
|
metadata.height = resolution.y * amplify;
|
|
metadata.depth = resolution.z * amplify;
|
|
}
|
|
else {
|
|
/* TODO(sergey): Check we're indeed in shader node tree. */
|
|
PointerRNA ptr;
|
|
RNA_pointer_create(NULL, &RNA_Node, builtin_data, &ptr);
|
|
BL::Node b_node(ptr);
|
|
if (b_node.is_a(&RNA_ShaderNodeTexPointDensity)) {
|
|
BL::ShaderNodeTexPointDensity b_point_density_node(b_node);
|
|
metadata.channels = 4;
|
|
metadata.width = b_point_density_node.resolution();
|
|
metadata.height = metadata.width;
|
|
metadata.depth = metadata.width;
|
|
metadata.is_float = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool BlenderSession::builtin_image_pixels(const string &builtin_name,
|
|
void *builtin_data,
|
|
unsigned char *pixels,
|
|
const size_t pixels_size,
|
|
const bool associate_alpha,
|
|
const bool free_cache)
|
|
{
|
|
if (!builtin_data) {
|
|
return false;
|
|
}
|
|
|
|
const int frame = builtin_image_frame(builtin_name);
|
|
|
|
PointerRNA ptr;
|
|
RNA_id_pointer_create((ID *)builtin_data, &ptr);
|
|
BL::Image b_image(ptr);
|
|
|
|
const int width = b_image.size()[0];
|
|
const int height = b_image.size()[1];
|
|
const int channels = b_image.channels();
|
|
|
|
unsigned char *image_pixels = image_get_pixels_for_frame(b_image, frame);
|
|
const size_t num_pixels = ((size_t)width) * height;
|
|
|
|
if (image_pixels && num_pixels * channels == pixels_size) {
|
|
memcpy(pixels, image_pixels, pixels_size * sizeof(unsigned char));
|
|
}
|
|
else {
|
|
if (channels == 1) {
|
|
memset(pixels, 0, pixels_size * sizeof(unsigned char));
|
|
}
|
|
else {
|
|
const size_t num_pixels_safe = pixels_size / channels;
|
|
unsigned char *cp = pixels;
|
|
for (size_t i = 0; i < num_pixels_safe; i++, cp += channels) {
|
|
cp[0] = 255;
|
|
cp[1] = 0;
|
|
cp[2] = 255;
|
|
if (channels == 4) {
|
|
cp[3] = 255;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (image_pixels) {
|
|
MEM_freeN(image_pixels);
|
|
}
|
|
|
|
/* Free image buffers to save memory during render. */
|
|
if (free_cache) {
|
|
b_image.buffers_free();
|
|
}
|
|
|
|
if (associate_alpha) {
|
|
/* Premultiply, byte images are always straight for Blender. */
|
|
unsigned char *cp = pixels;
|
|
for (size_t i = 0; i < num_pixels; i++, cp += channels) {
|
|
cp[0] = (cp[0] * cp[3]) >> 8;
|
|
cp[1] = (cp[1] * cp[3]) >> 8;
|
|
cp[2] = (cp[2] * cp[3]) >> 8;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool BlenderSession::builtin_image_float_pixels(const string &builtin_name,
|
|
void *builtin_data,
|
|
float *pixels,
|
|
const size_t pixels_size,
|
|
const bool,
|
|
const bool free_cache)
|
|
{
|
|
if (!builtin_data) {
|
|
return false;
|
|
}
|
|
|
|
PointerRNA ptr;
|
|
RNA_id_pointer_create((ID *)builtin_data, &ptr);
|
|
BL::ID b_id(ptr);
|
|
|
|
if (b_id.is_a(&RNA_Image)) {
|
|
/* image data */
|
|
BL::Image b_image(b_id);
|
|
int frame = builtin_image_frame(builtin_name);
|
|
|
|
const int width = b_image.size()[0];
|
|
const int height = b_image.size()[1];
|
|
const int channels = b_image.channels();
|
|
|
|
float *image_pixels;
|
|
image_pixels = image_get_float_pixels_for_frame(b_image, frame);
|
|
const size_t num_pixels = ((size_t)width) * height;
|
|
|
|
if (image_pixels && num_pixels * channels == pixels_size) {
|
|
memcpy(pixels, image_pixels, pixels_size * sizeof(float));
|
|
}
|
|
else {
|
|
if (channels == 1) {
|
|
memset(pixels, 0, num_pixels * sizeof(float));
|
|
}
|
|
else {
|
|
const size_t num_pixels_safe = pixels_size / channels;
|
|
float *fp = pixels;
|
|
for (int i = 0; i < num_pixels_safe; i++, fp += channels) {
|
|
fp[0] = 1.0f;
|
|
fp[1] = 0.0f;
|
|
fp[2] = 1.0f;
|
|
if (channels == 4) {
|
|
fp[3] = 1.0f;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (image_pixels) {
|
|
MEM_freeN(image_pixels);
|
|
}
|
|
|
|
/* Free image buffers to save memory during render. */
|
|
if (free_cache) {
|
|
b_image.buffers_free();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (b_id.is_a(&RNA_Object)) {
|
|
/* smoke volume data */
|
|
BL::Object b_ob(b_id);
|
|
BL::SmokeDomainSettings b_domain = object_smoke_domain_find(b_ob);
|
|
|
|
if (!b_domain) {
|
|
return false;
|
|
}
|
|
|
|
int3 resolution = get_int3(b_domain.domain_resolution());
|
|
int length, amplify = (b_domain.use_high_resolution()) ? b_domain.amplify() + 1 : 1;
|
|
|
|
/* Velocity and heat data is always low-resolution. */
|
|
if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_VELOCITY) ||
|
|
builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_HEAT)) {
|
|
amplify = 1;
|
|
}
|
|
|
|
const int width = resolution.x * amplify;
|
|
const int height = resolution.y * amplify;
|
|
const int depth = resolution.z * amplify;
|
|
const size_t num_pixels = ((size_t)width) * height * depth;
|
|
|
|
if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_DENSITY)) {
|
|
SmokeDomainSettings_density_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels) {
|
|
SmokeDomainSettings_density_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_FLAME)) {
|
|
/* this is in range 0..1, and interpreted by the OpenGL smoke viewer
|
|
* as 1500..3000 K with the first part faded to zero density */
|
|
SmokeDomainSettings_flame_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels) {
|
|
SmokeDomainSettings_flame_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_COLOR)) {
|
|
/* the RGB is "premultiplied" by density for better interpolation results */
|
|
SmokeDomainSettings_color_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels * 4) {
|
|
SmokeDomainSettings_color_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_VELOCITY)) {
|
|
SmokeDomainSettings_velocity_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels * 3) {
|
|
SmokeDomainSettings_velocity_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_HEAT)) {
|
|
SmokeDomainSettings_heat_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels) {
|
|
SmokeDomainSettings_heat_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else if (builtin_name == Attribute::standard_name(ATTR_STD_VOLUME_TEMPERATURE)) {
|
|
SmokeDomainSettings_temperature_grid_get_length(&b_domain.ptr, &length);
|
|
if (length == num_pixels) {
|
|
SmokeDomainSettings_temperature_grid_get(&b_domain.ptr, pixels);
|
|
return true;
|
|
}
|
|
}
|
|
else {
|
|
fprintf(
|
|
stderr, "Cycles error: unknown volume attribute %s, skipping\n", builtin_name.c_str());
|
|
pixels[0] = 0.0f;
|
|
return false;
|
|
}
|
|
|
|
fprintf(stderr, "Cycles error: unexpected smoke volume resolution, skipping\n");
|
|
}
|
|
else {
|
|
/* We originally were passing view_layer here but in reality we need a
|
|
* a depsgraph to pass to the RE_point_density_minmax() function.
|
|
*/
|
|
/* TODO(sergey): Check we're indeed in shader node tree. */
|
|
PointerRNA ptr;
|
|
RNA_pointer_create(NULL, &RNA_Node, builtin_data, &ptr);
|
|
BL::Node b_node(ptr);
|
|
if (b_node.is_a(&RNA_ShaderNodeTexPointDensity)) {
|
|
BL::ShaderNodeTexPointDensity b_point_density_node(b_node);
|
|
int length;
|
|
b_point_density_node.calc_point_density(b_depsgraph, &length, &pixels);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void BlenderSession::builtin_images_load()
|
|
{
|
|
/* Force builtin images to be loaded along with Blender data sync. This
|
|
* is needed because we may be reading from depsgraph evaluated data which
|
|
* can be freed by Blender before Cycles reads it.
|
|
*
|
|
* TODO: the assumption that no further access to builtin image data will
|
|
* happen is really weak, and likely to break in the future. We should find
|
|
* a better solution to hand over the data directly to the image manager
|
|
* instead of through callbacks whose timing is difficult to control. */
|
|
ImageManager *manager = session->scene->image_manager;
|
|
Device *device = session->device;
|
|
manager->device_load_builtin(device, session->scene, session->progress);
|
|
}
|
|
|
|
void BlenderSession::update_resumable_tile_manager(int num_samples)
|
|
{
|
|
const int num_resumable_chunks = BlenderSession::num_resumable_chunks,
|
|
current_resumable_chunk = BlenderSession::current_resumable_chunk;
|
|
if (num_resumable_chunks == 0) {
|
|
return;
|
|
}
|
|
|
|
if (num_resumable_chunks > num_samples) {
|
|
fprintf(stderr,
|
|
"Cycles warning: more sample chunks (%d) than samples (%d), "
|
|
"this will cause some samples to be included in multiple chunks.\n",
|
|
num_resumable_chunks,
|
|
num_samples);
|
|
}
|
|
|
|
const float num_samples_per_chunk = (float)num_samples / num_resumable_chunks;
|
|
|
|
float range_start_sample, range_num_samples;
|
|
if (current_resumable_chunk != 0) {
|
|
/* Single chunk rendering. */
|
|
range_start_sample = num_samples_per_chunk * (current_resumable_chunk - 1);
|
|
range_num_samples = num_samples_per_chunk;
|
|
}
|
|
else {
|
|
/* Ranged-chunks. */
|
|
const int num_chunks = end_resumable_chunk - start_resumable_chunk + 1;
|
|
range_start_sample = num_samples_per_chunk * (start_resumable_chunk - 1);
|
|
range_num_samples = num_chunks * num_samples_per_chunk;
|
|
}
|
|
|
|
/* Round after doing the multiplications with num_chunks and num_samples_per_chunk
|
|
* to allow for many small chunks. */
|
|
int rounded_range_start_sample = (int)floor(range_start_sample + 0.5f);
|
|
int rounded_range_num_samples = max((int)floor(range_num_samples + 0.5f), 1);
|
|
|
|
/* Make sure we don't overshoot. */
|
|
if (rounded_range_start_sample + rounded_range_num_samples > num_samples) {
|
|
rounded_range_num_samples = num_samples - rounded_range_num_samples;
|
|
}
|
|
|
|
VLOG(1) << "Samples range start is " << range_start_sample << ", "
|
|
<< "number of samples to render is " << range_num_samples;
|
|
|
|
scene->integrator->start_sample = rounded_range_start_sample;
|
|
scene->integrator->tag_update(scene);
|
|
|
|
session->tile_manager.range_start_sample = rounded_range_start_sample;
|
|
session->tile_manager.range_num_samples = rounded_range_num_samples;
|
|
}
|
|
|
|
void BlenderSession::free_blender_memory_if_possible()
|
|
{
|
|
if (!background) {
|
|
/* During interactive render we can not free anything: attempts to save
|
|
* memory would cause things to be allocated and evaluated for every
|
|
* updated sample.
|
|
*/
|
|
return;
|
|
}
|
|
b_engine.free_blender_memory();
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|