Differential D12309 Diff 41057 intern/cycles/integrator/render_scheduler.cpp

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intern/cycles/integrator/render_scheduler.cpp

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* distributed under the License is distributed on an "AS IS" BASIS,		* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and		* See the License for the specific language governing permissions and
* limitations under the License.		* limitations under the License.
*/		*/

#include "integrator/render_scheduler.h"		#include "integrator/render_scheduler.h"

		#include "render/session.h"
		#include "render/tile.h"
#include "util/util_logging.h"		#include "util/util_logging.h"
#include "util/util_math.h"		#include "util/util_math.h"
#include "util/util_time.h"		#include "util/util_time.h"

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

/* --------------------------------------------------------------------		/* --------------------------------------------------------------------
* Render scheduler.		* Render scheduler.
*/		*/

RenderScheduler::RenderScheduler(bool headless, bool background, int pixel_size)		RenderScheduler::RenderScheduler(TileManager &tile_manager, const SessionParams &params)
: headless_(headless),		: headless_(params.headless),
background_(background),		background_(params.background),
pixel_size_(pixel_size),		pixel_size_(params.pixel_size),
default_start_resolution_divider_(pixel_size * 8)		tile_manager_(tile_manager),
		default_start_resolution_divider_(pixel_size_ * 8)
{		{
use_progressive_noise_floor_ = !background_;		use_progressive_noise_floor_ = !background_;
}		}

void RenderScheduler::set_need_schedule_cryptomatte(bool need_schedule_cryptomatte)		void RenderScheduler::set_need_schedule_cryptomatte(bool need_schedule_cryptomatte)
{		{
need_schedule_cryptomatte_ = need_schedule_cryptomatte;		need_schedule_cryptomatte_ = need_schedule_cryptomatte;
}		}
Show All 13 Lines	void RenderScheduler::set_denoiser_params(const DenoiseParams &params)
denoiser_params_ = params;		denoiser_params_ = params;
}		}

void RenderScheduler::set_adaptive_sampling(const AdaptiveSampling &adaptive_sampling)		void RenderScheduler::set_adaptive_sampling(const AdaptiveSampling &adaptive_sampling)
{		{
adaptive_sampling_ = adaptive_sampling;		adaptive_sampling_ = adaptive_sampling;
}		}

		bool RenderScheduler::is_adaptive_sampling_used() const
		{
		return adaptive_sampling_.use;
		}

void RenderScheduler::set_start_sample(int start_sample)		void RenderScheduler::set_start_sample(int start_sample)
{		{
start_sample_ = start_sample;		start_sample_ = start_sample;
}		}

int RenderScheduler::get_start_sample() const		int RenderScheduler::get_start_sample() const
{		{
return start_sample_;		return start_sample_;
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines	void RenderScheduler::reset(const BufferParams &buffer_params, int num_samples)
state_.num_rebalance_changes = 0;		state_.num_rebalance_changes = 0;
state_.last_rebalance_changed = false;		state_.last_rebalance_changed = false;
state_.need_rebalance_at_next_work = false;		state_.need_rebalance_at_next_work = false;

/* TODO(sergey): Choose better initial value. */		/* TODO(sergey): Choose better initial value. */
/* NOTE: The adaptive sampling settings might not be available here yet. */		/* NOTE: The adaptive sampling settings might not be available here yet. */
state_.adaptive_sampling_threshold = 0.4f;		state_.adaptive_sampling_threshold = 0.4f;

state_.last_work_was_denoised = false;		state_.last_work_tile_was_denoised = false;
state_.final_result_was_written = false;		state_.tile_result_was_written = false;
state_.postprocess_work_scheduled = false;		state_.postprocess_work_scheduled = false;
		state_.full_frame_work_scheduled = false;

state_.path_trace_finished = false;		state_.path_trace_finished = false;

state_.start_render_time = 0.0;		state_.start_render_time = 0.0;
state_.end_render_time = 0.0;		state_.end_render_time = 0.0;
state_.time_limit_reached = false;		state_.time_limit_reached = false;

first_render_time_.path_trace_per_sample = 0.0;		first_render_time_.path_trace_per_sample = 0.0;
Show All 22 Lines	bool RenderScheduler::render_work_reschedule_on_converge(RenderWork &render_work)

if (render_work_reschedule_on_idle(render_work)) {		if (render_work_reschedule_on_idle(render_work)) {
return true;		return true;
}		}

state_.path_trace_finished = true;		state_.path_trace_finished = true;

bool denoiser_delayed;		bool denoiser_delayed;
render_work.denoise = work_need_denoise(denoiser_delayed);		render_work.tile.denoise = work_need_denoise(denoiser_delayed);

render_work.update_display = work_need_update_display(denoiser_delayed);		render_work.update_display = work_need_update_display(denoiser_delayed);

return false;		return false;
}		}

bool RenderScheduler::render_work_reschedule_on_idle(RenderWork &render_work)		bool RenderScheduler::render_work_reschedule_on_idle(RenderWork &render_work)
{		{
Show All 19 Lines	if (adaptive_sampling_.use) {
}		}
}		}

return false;		return false;
}		}

void RenderScheduler::render_work_reschedule_on_cancel(RenderWork &render_work)		void RenderScheduler::render_work_reschedule_on_cancel(RenderWork &render_work)
{		{
		VLOG(3) << "Schedule work for cancel.";

/* Un-schedule samples: they will not be rendered and should not be counted. */		/* Un-schedule samples: they will not be rendered and should not be counted. */
state_.num_rendered_samples -= render_work.path_trace.num_samples;		state_.num_rendered_samples -= render_work.path_trace.num_samples;

render_work = RenderWork();		render_work = RenderWork();

if (!state_.final_result_was_written) {		/* Do not write tile if it has zero samples it it, treat it similarly to all other tiles which
render_work.write_final_result = true;		* got cancelled. */
		if (!state_.tile_result_was_written && get_num_rendered_samples() != 0) {
		render_work.tile.write = true;
render_work.update_display = true;		render_work.update_display = true;
}		}

		render_work.full.write = true;
}		}

bool RenderScheduler::done() const		bool RenderScheduler::done() const
{		{
if (state_.resolution_divider != pixel_size_) {		if (state_.resolution_divider != pixel_size_) {
return false;		return false;
}		}

if (state_.path_trace_finished \|\| state_.time_limit_reached) {		if (state_.path_trace_finished \|\| state_.time_limit_reached) {
return true;		return true;
}		}

return get_num_rendered_samples() >= num_samples_;		return get_num_rendered_samples() >= num_samples_;
}		}

RenderWork RenderScheduler::get_render_work()		RenderWork RenderScheduler::get_render_work()
{		{
check_time_limit_reached();		check_time_limit_reached();

const double time_now = time_dt();		const double time_now = time_dt();

if (done()) {		if (done()) {
RenderWork render_work;		RenderWork render_work;

if (!set_postprocess_render_work(&render_work)) {		if (!set_postprocess_render_work(&render_work)) {
if (state_.end_render_time == 0.0) {		set_full_frame_render_work(&render_work);
state_.end_render_time = time_now;
}		}

		if (!render_work) {
		state_.end_render_time = time_now;
}		}

return render_work;		return render_work;
}		}

RenderWork render_work;		RenderWork render_work;

if (state_.resolution_divider != pixel_size_) {		if (state_.resolution_divider != pixel_size_) {
state_.resolution_divider = max(state_.resolution_divider / 2, pixel_size_);		state_.resolution_divider = max(state_.resolution_divider / 2, pixel_size_);
state_.num_rendered_samples = 0;		state_.num_rendered_samples = 0;
Show All 18 Lines	RenderWork RenderScheduler::get_render_work()
* samples are rendered. */		* samples are rendered. */
state_.num_rendered_samples += render_work.path_trace.num_samples;		state_.num_rendered_samples += render_work.path_trace.num_samples;

render_work.adaptive_sampling.filter = work_need_adaptive_filter();		render_work.adaptive_sampling.filter = work_need_adaptive_filter();
render_work.adaptive_sampling.threshold = work_adaptive_threshold();		render_work.adaptive_sampling.threshold = work_adaptive_threshold();
render_work.adaptive_sampling.reset = false;		render_work.adaptive_sampling.reset = false;

bool denoiser_delayed;		bool denoiser_delayed;
render_work.denoise = work_need_denoise(denoiser_delayed);		render_work.tile.denoise = work_need_denoise(denoiser_delayed);
state_.last_work_was_denoised = render_work.denoise;		state_.last_work_tile_was_denoised = render_work.tile.denoise;

render_work.write_final_result = done();		render_work.tile.write = done();
state_.final_result_was_written = render_work.write_final_result;		state_.tile_result_was_written = render_work.tile.write;

render_work.update_display = work_need_update_display(denoiser_delayed);		render_work.update_display = work_need_update_display(denoiser_delayed);

/* A fallback display update time, for the case there is an error of display update, or when		/* A fallback display update time, for the case there is an error of display update, or when
* there is no display at all. */		* there is no display at all. */
if (render_work.update_display) {		if (render_work.update_display) {
state_.last_display_update_time = time_now;		state_.last_display_update_time = time_now;
state_.last_display_update_sample = state_.num_rendered_samples;		state_.last_display_update_sample = state_.num_rendered_samples;
Show All 15 Lines	bool RenderScheduler::set_postprocess_render_work(RenderWork *render_work)

bool any_scheduled = false;		bool any_scheduled = false;

if (need_schedule_cryptomatte_) {		if (need_schedule_cryptomatte_) {
render_work->cryptomatte.postprocess = true;		render_work->cryptomatte.postprocess = true;
any_scheduled = true;		any_scheduled = true;
}		}

if (denoiser_params_.use && !state_.last_work_was_denoised) {		if (denoiser_params_.use && !state_.last_work_tile_was_denoised) {
render_work->denoise = true;		render_work->tile.denoise = true;
any_scheduled = true;		any_scheduled = true;
}		}

if (!state_.final_result_was_written) {		if (!state_.tile_result_was_written) {
render_work->write_final_result = true;		render_work->tile.write = true;
any_scheduled = true;		any_scheduled = true;
}		}

if (any_scheduled) {		if (any_scheduled) {
render_work->update_display = true;		render_work->update_display = true;
}		}

return any_scheduled;		return any_scheduled;
}		}

		void RenderScheduler::set_full_frame_render_work(RenderWork *render_work)
		{
		if (state_.full_frame_work_scheduled) {
		return;
		}

		if (!tile_manager_.has_multiple_tiles()) {
		/* There is only single tile, so all work has been performed already. */
		return;
		}

		if (!tile_manager_.done()) {
		/* There are still tiles to be rendered. */
		return;
		}

		state_.full_frame_work_scheduled = true;

		render_work->full.write = true;

		if (denoiser_params_.use) {
		render_work->full.denoise = true;
		}
		}

/* Knowing time which it took to complete a task at the current resolution divider approximate how		/* Knowing time which it took to complete a task at the current resolution divider approximate how
* long it would have taken to complete it at a final resolution. */		* long it would have taken to complete it at a final resolution. */
static double approximate_final_time(const RenderWork &render_work, double time)		static double approximate_final_time(const RenderWork &render_work, double time)
{		{
if (render_work.resolution_divider == 1) {		if (render_work.resolution_divider == 1) {
return time;		return time;
}		}

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