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Cycles: update buffers only once in a while when progressive refine is used

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It'll mimic the same behavior as regular tile rendering update and it should
give pretty noticeable boost on simpler scenes.
This commit is contained in:
Sergey Sharybin 2012-10-23 17:24:23 +00:00
parent a32d134dc7
commit 40242c2f44
2 changed files with 17 additions and 2 deletions
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18
intern/cycles/render/session.cpp
View File

@ -186,6 +186,7 @@ void Session::run_gpu()
start_time = time_dt();
reset_time = time_dt();
paused_time = 0.0;
last_update_time = time_dt();
if(!params.background)
progress.set_start_time(start_time + paused_time);
@ -447,6 +448,8 @@ void Session::run_cpu()
{
bool tiles_written = false;
last_update_time = time_dt();
{
/* reset once to start */
thread_scoped_lock reset_lock(delayed_reset.mutex);
@ -807,6 +810,15 @@ void Session::tonemap()
bool Session::update_progressive_refine(bool cancel)
{
int sample = tile_manager.state.sample + 1;
bool write = sample == params.samples || cancel;
double current_time = time_dt();
if (current_time - last_update_time < 1.0f) {
/* if last sample was processed, we need to write buffers anyway */
if (!write)
return false;
}
if(params.progressive_refine) {
foreach(RenderBuffers *buffers, tile_buffers) {
@ -814,14 +826,16 @@ bool Session::update_progressive_refine(bool cancel)
rtile.buffers = buffers;
rtile.sample = sample;
if(rtile.sample == params.samples || cancel)
if(write)
write_render_tile_cb(rtile);
else
update_render_tile_cb(rtile);
}
}
return sample == params.samples;
last_update_time = current_time;
return write;
}
CCL_NAMESPACE_END

1
intern/cycles/render/session.h
View File

@ -179,6 +179,7 @@ protected:
double paused_time;
/* progressive refine */
double last_update_time;
bool update_progressive_refine(bool cancel);
vector<RenderBuffers *> tile_buffers;